From 3c1104dbb63e23cbb3f61e08c1930294d674988c Mon Sep 17 00:00:00 2001
From: Gerard Smit <gsmit1996@gmail.com>
Date: Sat, 27 Apr 2019 13:41:34 +0200
Subject: [PATCH 1/4] Fixed Chrome and Edge persisted viewmodel

---
 .../Resources/Scripts/DotVVM.DomUtils.ts      |  2 +-
 .../Resources/Scripts/DotVVM.d.ts             | 90 ++++++++++---------
 .../Resources/Scripts/DotVVM.js               | 74 ++++++++++-----
 .../Resources/Scripts/DotVVM.min.js           |  2 +-
 .../Resources/Scripts/DotVVM.ts               | 54 ++++++++++-
 5 files changed, 154 insertions(+), 68 deletions(-)

diff --git a/src/DotVVM.Framework/Resources/Scripts/DotVVM.DomUtils.ts b/src/DotVVM.Framework/Resources/Scripts/DotVVM.DomUtils.ts
index 101a841e63..38f1192ff7 100644
--- a/src/DotVVM.Framework/Resources/Scripts/DotVVM.DomUtils.ts
+++ b/src/DotVVM.Framework/Resources/Scripts/DotVVM.DomUtils.ts
@@ -14,4 +14,4 @@
         }
     }
 
-}
\ No newline at end of file
+}
diff --git a/src/DotVVM.Framework/Resources/Scripts/DotVVM.d.ts b/src/DotVVM.Framework/Resources/Scripts/DotVVM.d.ts
index fd6fbb9cf6..e999c1de50 100644
--- a/src/DotVVM.Framework/Resources/Scripts/DotVVM.d.ts
+++ b/src/DotVVM.Framework/Resources/Scripts/DotVVM.d.ts
@@ -97,7 +97,7 @@ declare class DotvvmAfterPostBackEventArgs implements PostbackEventArgs {
     postbackOptions: PostbackOptions;
     serverResponseObject: any;
     commandResult: any;
-    xhr?: XMLHttpRequest | undefined;
+    xhr: XMLHttpRequest | undefined;
     isHandled: boolean;
     wasInterrupted: boolean;
     readonly postbackClientId: number;
@@ -117,7 +117,7 @@ declare class DotvvmSpaNavigatedEventArgs implements DotvvmEventArgs {
     viewModel: any;
     viewModelName: string;
     serverResponseObject: any;
-    xhr?: XMLHttpRequest | undefined;
+    xhr: XMLHttpRequest | undefined;
     isHandled: boolean;
     constructor(viewModel: any, viewModelName: string, serverResponseObject: any, xhr?: XMLHttpRequest | undefined);
 }
@@ -131,8 +131,8 @@ declare class DotvvmRedirectEventArgs implements DotvvmEventArgs {
 }
 declare class DotvvmFileUpload {
     showUploadDialog(sender: HTMLElement): void;
-    private getIframe;
-    private openUploadDialog;
+    private getIframe(sender);
+    private openUploadDialog(iframe);
     createUploadId(sender: HTMLElement, iframe: HTMLElement): void;
     reportProgress(targetControlId: any, isBusy: boolean, progress: number, result: DotvvmFileUploadData[] | string): void;
 }
@@ -155,7 +155,7 @@ declare class DotvvmFileSize {
     FormattedText: KnockoutObservable<string>;
 }
 declare class DotvvmGlobalize {
-    private getGlobalize;
+    private getGlobalize();
     format(format: string, ...values: any[]): string;
     formatString(format: string, value: any): any;
     parseDotvvmDate(value: string): Date | null;
@@ -192,10 +192,10 @@ interface AdditionalPostbackData {
 }
 declare class PostbackOptions {
     readonly postbackId: number;
-    readonly sender?: HTMLElement | undefined;
+    readonly sender: HTMLElement | undefined;
     readonly args: any[];
-    readonly viewModel?: any;
-    readonly viewModelName?: string | undefined;
+    readonly viewModel: any;
+    readonly viewModelName: string | undefined;
     readonly additionalPostbackData: AdditionalPostbackData;
     constructor(postbackId: number, sender?: HTMLElement | undefined, args?: any[], viewModel?: any, viewModelName?: string | undefined);
 }
@@ -228,10 +228,10 @@ declare class DotvvmSerialization {
     wrapObservable<T>(obj: T): KnockoutObservable<T>;
     serialize(viewModel: any, opt?: ISerializationOptions): any;
     validateType(value: any, type: string): boolean;
-    private findObject;
+    private findObject(obj, matcher);
     flatSerialize(viewModel: any): any;
     getPureObject(viewModel: any): {};
-    private pad;
+    private pad(value, digits);
     serializeDate(date: string | Date | null, convertToUtc?: boolean): string | null;
 }
 interface Document {
@@ -250,6 +250,10 @@ interface IDotvvmViewModelInfo {
     renderedResources?: string[];
     url?: string;
     virtualDirectory?: string;
+    resultIdFragment?: string;
+    resources?: {
+        [name: string]: boolean;
+    };
 }
 interface IDotvvmViewModels {
     [name: string]: IDotvvmViewModelInfo;
@@ -281,7 +285,7 @@ declare class DotVVM {
     private suppressOnDisabledElementHandler;
     private beforePostbackEventPostbackHandler;
     private isPostBackRunningHandler;
-    private createWindowSetTimeoutHandler;
+    private createWindowSetTimeoutHandler(time);
     private windowSetTimeoutHandler;
     private commonConcurrencyHandler;
     private defaultConcurrencyPostbackHandler;
@@ -303,47 +307,49 @@ declare class DotVVM {
     extensions: IDotvvmExtensions;
     useHistoryApiSpaNavigation: boolean;
     isPostbackRunning: KnockoutObservable<boolean>;
+    useHistoryApiViewModel: boolean;
+    private isBrowserReload();
     init(viewModelName: string, culture: string): void;
-    private handlePopState;
-    private handleHashChangeWithHistory;
-    private handleHashChange;
-    private persistViewModel;
-    private backUpPostBackConter;
-    private isPostBackStillActive;
+    private handlePopState(viewModelName, event, inSpaPage);
+    private handleHashChangeWithHistory(viewModelName, spaPlaceHolder, isInitialPageLoad);
+    private handleHashChange(viewModelName, spaPlaceHolder, isInitialPageLoad);
+    private persistViewModel(viewModelName);
+    private backUpPostBackConter();
+    private isPostBackStillActive(currentPostBackCounter);
     staticCommandPostback(viewModelName: string, sender: HTMLElement, command: string, args: any[], callback?: (_: any) => void, errorCallback?: (xhr: XMLHttpRequest, error?: any) => void): void;
-    private processPassedId;
+    private processPassedId(id, context);
     protected getPostbackHandler(name: string): (options: any) => DotvvmPostbackHandler;
-    private isPostbackHandler;
+    private isPostbackHandler(obj);
     findPostbackHandlers(knockoutContext: any, config: ClientFriendlyPostbackHandlerConfiguration[]): DotvvmPostbackHandler[];
-    private sortHandlers;
-    private applyPostbackHandlersCore;
+    private sortHandlers(handlers);
+    private applyPostbackHandlersCore(callback, options, handlers?);
     applyPostbackHandlers(callback: (options: PostbackOptions) => Promise<PostbackCommitFunction | undefined>, sender: HTMLElement, handlers?: ClientFriendlyPostbackHandlerConfiguration[], args?: any[], context?: any, viewModel?: any, viewModelName?: string): Promise<DotvvmAfterPostBackEventArgs>;
     postbackCore(options: PostbackOptions, path: string[], command: string, controlUniqueId: string, context: any, commandArgs?: any[]): Promise<() => Promise<DotvvmAfterPostBackEventArgs>>;
     handleSpaNavigation(element: HTMLElement): boolean;
     handleSpaNavigationCore(url: string | null): boolean;
     postBack(viewModelName: string, sender: HTMLElement, path: string[], command: string, controlUniqueId: string, context?: any, handlers?: ClientFriendlyPostbackHandlerConfiguration[], commandArgs?: any[]): Promise<DotvvmAfterPostBackEventArgs>;
-    private loadResourceList;
-    private loadResourceElements;
-    private getSpaPlaceHolder;
-    private navigateCore;
-    private handleRedirect;
-    private performRedirect;
-    private fixSpaUrlPrefix;
-    private removeVirtualDirectoryFromUrl;
-    private addLeadingSlash;
-    private concatUrl;
+    private loadResourceList(resources, callback);
+    private loadResourceElements(elements, offset, callback);
+    private getSpaPlaceHolder();
+    private navigateCore(viewModelName, url, handlePageNavigating?);
+    private handleRedirect(resultObject, viewModelName, replace?);
+    private performRedirect(url, replace, useHistoryApiSpaRedirect?);
+    private fixSpaUrlPrefix(url);
+    private removeVirtualDirectoryFromUrl(url, viewModelName);
+    private addLeadingSlash(url);
+    private concatUrl(url1, url2);
     patch(source: any, patch: any): any;
-    private updateDynamicPathFragments;
-    private postJSON;
-    private getJSON;
+    private updateDynamicPathFragments(context, path);
+    private postJSON(url, method, postData, success, error, preprocessRequest?);
+    private getJSON(url, method, spaPlaceHolderUniqueId, success, error);
     getXHR(): XMLHttpRequest;
-    private cleanUpdatedControls;
-    private restoreUpdatedControls;
+    private cleanUpdatedControls(resultObject, updatedControls?);
+    private restoreUpdatedControls(resultObject, updatedControls, applyBindingsOnEachControl);
     unwrapArrayExtension(array: any): any;
     buildRouteUrl(routePath: string, params: any): string;
     buildUrlSuffix(urlSuffix: string, query: any): string;
-    private isPostBackProhibited;
-    private addKnockoutBindingHandlers;
+    private isPostBackProhibited(element);
+    private addKnockoutBindingHandlers();
 }
 declare class DotvvmValidationContext {
     valueToValidate: any;
@@ -449,7 +455,7 @@ declare class DotvvmValidation {
      * Adds validation errors from the server to the appropriate arrays
      */
     showValidationErrorsFromServer(args: DotvvmAfterPostBackEventArgs): void;
-    private addValidationError;
+    private addValidationError(validatedProperty, error);
 }
 declare var dotvvm: DotVVM;
 declare class DotvvmEvaluator {
@@ -459,9 +465,9 @@ declare class DotvvmEvaluator {
     tryEval(func: () => any): any;
     isObservableArray(instance: any): instance is KnockoutObservableArray<any>;
     wrapObservable(func: () => any, isArray?: boolean): KnockoutComputed<any>;
-    private updateObservable;
-    private updateObservableArray;
-    private getExpressionResult;
+    private updateObservable(getObservable, value);
+    private updateObservableArray(getObservableArray, fnName, args);
+    private getExpressionResult(func);
 }
 declare type ApiComputed<T> = KnockoutObservable<T | null> & {
     refreshValue: (throwOnError?: boolean) => PromiseLike<any> | undefined;
diff --git a/src/DotVVM.Framework/Resources/Scripts/DotVVM.js b/src/DotVVM.Framework/Resources/Scripts/DotVVM.js
index 4da1b9adf3..c929b5133b 100644
--- a/src/DotVVM.Framework/Resources/Scripts/DotVVM.js
+++ b/src/DotVVM.Framework/Resources/Scripts/DotVVM.js
@@ -1,21 +1,15 @@
-var __assign = (this && this.__assign) || function () {
-    __assign = Object.assign || function(t) {
-        for (var s, i = 1, n = arguments.length; i < n; i++) {
-            s = arguments[i];
-            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
-                t[p] = s[p];
-        }
-        return t;
-    };
-    return __assign.apply(this, arguments);
+var __assign = (this && this.__assign) || Object.assign || function(t) {
+    for (var s, i = 1, n = arguments.length; i < n; i++) {
+        s = arguments[i];
+        for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
+            t[p] = s[p];
+    }
+    return t;
 };
 var __extends = (this && this.__extends) || (function () {
-    var extendStatics = function (d, b) {
-        extendStatics = Object.setPrototypeOf ||
-            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
-            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
-        return extendStatics(d, b);
-    };
+    var extendStatics = Object.setPrototypeOf ||
+        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
     return function (d, b) {
         extendStatics(d, b);
         function __() { this.constructor = d; }
@@ -970,6 +964,7 @@ var DotVVM = /** @class */ (function () {
         this.fileUpload = new DotvvmFileUpload();
         this.extensions = {};
         this.isPostbackRunning = ko.observable(false);
+        this.useHistoryApiViewModel = history && ((/Chrome/.test(navigator.userAgent) && /Google Inc/.test(navigator.vendor)) || /Edge/.test(navigator.userAgent));
     }
     DotVVM.prototype.createWindowSetTimeoutHandler = function (time) {
         return {
@@ -987,11 +982,35 @@ var DotVVM = /** @class */ (function () {
             this.postbackQueues[name] = { queue: [], noRunning: 0 };
         return this.postbackQueues[name];
     };
+    DotVVM.prototype.isBrowserReload = function () {
+        if (performance) {
+            if (performance.getEntriesByType) {
+                var entries = performance.getEntriesByType("navigation");
+                if (entries.length > 0) {
+                    return entries[0].type === "reload";
+                }
+            }
+            // deprecated in Navigation Timing Level 2 specification
+            if (performance.navigation) {
+                return performance.navigation.type === 1;
+            }
+        }
+        return false;
+    };
     DotVVM.prototype.init = function (viewModelName, culture) {
         var _this = this;
         this.addKnockoutBindingHandlers();
         // load the viewmodel
-        var thisViewModel = this.viewModels[viewModelName] = JSON.parse(document.getElementById("__dot_viewmodel_" + viewModelName).value);
+        var thisViewModel;
+        var shouldLoadFromHistoryApi = this.useHistoryApiViewModel && !this.isBrowserReload() && history.state && history.state.dotvvm_viewmodels && history.state.dotvvm_viewmodels[viewModelName];
+        if (shouldLoadFromHistoryApi) {
+            // create a new object, otherwise the object in the history state will be changed which will result in serialize errors.
+            thisViewModel = __assign({}, history.state.dotvvm_viewmodels[viewModelName]);
+        }
+        else {
+            thisViewModel = JSON.parse(document.getElementById("__dot_viewmodel_" + viewModelName).value);
+        }
+        this.viewModels[viewModelName] = thisViewModel;
         if (thisViewModel.resources) {
             for (var r in thisViewModel.resources) {
                 this.resourceSigns[r] = true;
@@ -1102,6 +1121,14 @@ var DotVVM = /** @class */ (function () {
     };
     DotVVM.prototype.persistViewModel = function (viewModelName) {
         var viewModel = this.viewModels[viewModelName];
+        if (this.useHistoryApiViewModel) {
+            var currentState = history.state ? history.state : {};
+            var persistedViewModels = currentState.dotvvm_viewmodels ? currentState.dotvvm_viewmodels : {};
+            // add the new viewmodel to the existing state, otherwise SPA mode will break.
+            var state = __assign({ dotvvm_viewmodels: __assign((_a = {}, _a[viewModelName] = ko.toJS(viewModel), _a), persistedViewModels) }, currentState);
+            console.log(JSON.stringify(state));
+            history.replaceState(state, document.title);
+        }
         var persistedViewModel = {};
         for (var p in viewModel) {
             if (viewModel.hasOwnProperty(p)) {
@@ -1110,6 +1137,7 @@ var DotVVM = /** @class */ (function () {
         }
         persistedViewModel["viewModel"] = this.serialization.serialize(persistedViewModel["viewModel"], { serializeAll: true });
         document.getElementById("__dot_viewmodel_" + viewModelName).value = JSON.stringify(persistedViewModel);
+        var _a;
     };
     DotVVM.prototype.backUpPostBackConter = function () {
         return ++this.postBackCounter;
@@ -1186,8 +1214,8 @@ var DotVVM = /** @class */ (function () {
     DotVVM.prototype.sortHandlers = function (handlers) {
         var getHandler = (function () {
             var handlerMap = {};
-            for (var _i = 0, handlers_2 = handlers; _i < handlers_2.length; _i++) {
-                var h = handlers_2[_i];
+            for (var _i = 0, handlers_1 = handlers; _i < handlers_1.length; _i++) {
+                var h = handlers_1[_i];
                 if (h.name != null) {
                     handlerMap[h.name] = h;
                 }
@@ -1195,8 +1223,8 @@ var DotVVM = /** @class */ (function () {
             return function (s) { return typeof s == "string" ? handlerMap[s] : s; };
         })();
         var dependencies = handlers.map(function (handler, i) { return (handler["@sort_index"] = i, ({ handler: handler, deps: (handler.after || []).map(getHandler) })); });
-        for (var _i = 0, handlers_1 = handlers; _i < handlers_1.length; _i++) {
-            var h = handlers_1[_i];
+        for (var _i = 0, handlers_2 = handlers; _i < handlers_2.length; _i++) {
+            var h = handlers_2[_i];
             if (h.before)
                 for (var _a = 0, _b = h.before.map(getHandler); _a < _b.length; _a++) {
                     var before = _b[_a];
@@ -1870,7 +1898,6 @@ var DotVVM = /** @class */ (function () {
         ko.virtualElements.allowedBindings["dotvvm-SSR-foreach"] = true;
         ko.bindingHandlers["dotvvm-SSR-foreach"] = {
             init: function (element, valueAccessor, _allBindings, _viewModel, bindingContext) {
-                var _a;
                 if (!bindingContext)
                     throw new Error();
                 var value = valueAccessor();
@@ -1878,6 +1905,7 @@ var DotVVM = /** @class */ (function () {
                 element.innerBindingContext = innerBindingContext;
                 ko.applyBindingsToDescendants(innerBindingContext, element);
                 return { controlsDescendantBindings: true }; // do not apply binding again
+                var _a;
             }
         };
         ko.virtualElements.allowedBindings["dotvvm-SSR-item"] = true;
@@ -1896,7 +1924,6 @@ var DotVVM = /** @class */ (function () {
         ko.virtualElements.allowedBindings["withGridViewDataSet"] = true;
         ko.bindingHandlers["withGridViewDataSet"] = {
             init: function (element, valueAccessor, allBindings, viewModel, bindingContext) {
-                var _a;
                 if (!bindingContext)
                     throw new Error();
                 var value = valueAccessor();
@@ -1904,6 +1931,7 @@ var DotVVM = /** @class */ (function () {
                 element.innerBindingContext = innerBindingContext;
                 ko.applyBindingsToDescendants(innerBindingContext, element);
                 return { controlsDescendantBindings: true }; // do not apply binding again
+                var _a;
             },
             update: function (element, valueAccessor, allBindings, viewModel, bindingContext) {
             }
diff --git a/src/DotVVM.Framework/Resources/Scripts/DotVVM.min.js b/src/DotVVM.Framework/Resources/Scripts/DotVVM.min.js
index 750cd3bd64..573a412c80 100644
--- a/src/DotVVM.Framework/Resources/Scripts/DotVVM.min.js
+++ b/src/DotVVM.Framework/Resources/Scripts/DotVVM.min.js
@@ -1 +1 @@
-var __assign=this&&this.__assign||function(){return(__assign=Object.assign||function(e){for(var t,n=1,r=arguments.length;n<r;n++)for(var o in t=arguments[n])Object.prototype.hasOwnProperty.call(t,o)&&(e[o]=t[o]);return e}).apply(this,arguments)},__extends=this&&this.__extends||function(){var r=function(e,t){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n])})(e,t)};return function(e,t){function n(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(n.prototype=t.prototype,new n)}}();!function(){if("undefined"==typeof Promise||!self.fetch){var e=document.createElement("script");e.src=window.dotvvm__polyfillUrl,e.type="text/javascript",document.getElementsByTagName("head")[0].appendChild(e)}}();var DotvvmDomUtils=function(){function e(){}return e.prototype.onDocumentReady=function(e){/in/.test(document.readyState)?setTimeout("dotvvm.domUtils.onDocumentReady("+e+")",9):e()},e.prototype.attachEvent=function(e,t,n,r){void 0===r&&(r=!1),e.addEventListener?e.addEventListener(t,n,r):e.attachEvent("on"+t,n)},e}(),HistoryRecord=function(e,t){this.navigationType=e,this.url=t},DotvvmSpaHistory=function(){function e(){}return e.prototype.pushPage=function(e){history.pushState(new HistoryRecord("SPA",e),"",e)},e.prototype.replacePage=function(e){history.replaceState(new HistoryRecord("SPA",e),"",e)},e.prototype.isSpaPage=function(e){return e&&"SPA"==e.navigationType},e.prototype.getHistoryRecord=function(e){return e},e}(),DotvvmEvents=function(){this.init=new DotvvmEvent("dotvvm.events.init",!0),this.beforePostback=new DotvvmEvent("dotvvm.events.beforePostback"),this.afterPostback=new DotvvmEvent("dotvvm.events.afterPostback"),this.error=new DotvvmEvent("dotvvm.events.error"),this.spaNavigating=new DotvvmEvent("dotvvm.events.spaNavigating"),this.spaNavigated=new DotvvmEvent("dotvvm.events.spaNavigated"),this.redirect=new DotvvmEvent("dotvvm.events.redirect"),this.postbackHandlersStarted=new DotvvmEvent("dotvvm.events.postbackHandlersStarted"),this.postbackHandlersCompleted=new DotvvmEvent("dotvvm.events.postbackHandlersCompleted"),this.postbackResponseReceived=new DotvvmEvent("dotvvm.events.postbackResponseReceived"),this.postbackCommitInvoked=new DotvvmEvent("dotvvm.events.postbackCommitInvoked"),this.postbackViewModelUpdated=new DotvvmEvent("dotvvm.events.postbackViewModelUpdated"),this.postbackRejected=new DotvvmEvent("dotvvm.events.postbackRejected"),this.staticCommandMethodInvoking=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoking"),this.staticCommandMethodInvoked=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoked"),this.staticCommandMethodFailed=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoked")},DotvvmEventHandler=function(e,t){this.handler=e,this.isOneTime=t},DotvvmEvent=function(){function e(e,t){void 0===t&&(t=!1),this.name=e,this.triggerMissedEventsOnSubscribe=t,this.handlers=[],this.history=[]}return e.prototype.subscribe=function(e){if(this.handlers.push(new DotvvmEventHandler(e,!1)),this.triggerMissedEventsOnSubscribe)for(var t=0;t<this.history.length;t++)e(history[t])},e.prototype.subscribeOnce=function(e){this.handlers.push(new DotvvmEventHandler(e,!0))},e.prototype.unsubscribe=function(e){for(var t=0;t<this.handlers.length;t++)if(this.handlers[t].handler===e)return void this.handlers.splice(t,1)},e.prototype.trigger=function(e){for(var t=0;t<this.handlers.length;t++)this.handlers[t].handler(e),this.handlers[t].isOneTime&&(this.handlers.splice(t,1),t--);this.triggerMissedEventsOnSubscribe&&this.history.push(e)},e}(),DotvvmErrorEventArgs=function(e,t,n,r,o,a,i){void 0===a&&(a=void 0),void 0===i&&(i=!1),this.sender=e,this.viewModel=t,this.viewModelName=n,this.xhr=r,this.postbackClientId=o,this.serverResponseObject=a,this.isSpaNavigationError=i,this.handled=!1},DotvvmBeforePostBackEventArgs=function(e,t,n,r){this.sender=e,this.viewModel=t,this.viewModelName=n,this.postbackClientId=r,this.cancel=!1,this.clientValidationFailed=!1},DotvvmAfterPostBackEventArgs=function(){function e(e,t,n,r){void 0===n&&(n=null),this.postbackOptions=e,this.serverResponseObject=t,this.commandResult=n,this.xhr=r,this.isHandled=!1,this.wasInterrupted=!1}return Object.defineProperty(e.prototype,"postbackClientId",{get:function(){return this.postbackOptions.postbackId},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"viewModelName",{get:function(){return this.postbackOptions.viewModelName},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"viewModel",{get:function(){return this.postbackOptions.viewModel},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"sender",{get:function(){return this.postbackOptions.sender},enumerable:!0,configurable:!0}),e}(),DotvvmSpaNavigatingEventArgs=function(e,t,n){this.viewModel=e,this.viewModelName=t,this.newUrl=n,this.cancel=!1},DotvvmSpaNavigatedEventArgs=function(e,t,n,r){this.viewModel=e,this.viewModelName=t,this.serverResponseObject=n,this.xhr=r,this.isHandled=!1},DotvvmRedirectEventArgs=function(e,t,n,r){this.viewModel=e,this.viewModelName=t,this.url=n,this.replace=r,this.isHandled=!1},DotvvmFileUpload=function(){function e(){}return e.prototype.showUploadDialog=function(e){var t=this.getIframe(e);this.createUploadId(e,t),this.openUploadDialog(t)},e.prototype.getIframe=function(e){return e.parentElement.previousSibling},e.prototype.openUploadDialog=function(e){var t=e.contentWindow;t&&t.document.getElementById("upload").click()},e.prototype.createUploadId=function(e,t){t=t||this.getIframe(e);var n="DotVVM_upl"+(new Date).getTime().toString();e.parentElement.parentElement.setAttribute("data-dotvvm-upload-id",n),t.setAttribute("data-dotvvm-upload-id",n)},e.prototype.reportProgress=function(e,t,n,r){var o=document.querySelector("div[data-dotvvm-upload-id='"+e.value+"']"),a=ko.dataFor(o.firstChild);if("string"==typeof r)a.Error(r);else{a.Error("");for(var i=0;i<r.length;i++)a.Files.push(dotvvm.serialization.wrapObservable(dotvvm.serialization.deserialize(r[i])));(o.attributes["data-dotvvm-upload-completed"]||{value:null}).value&&new Function(o.attributes["data-dotvvm-upload-completed"].value).call(o)}a.Progress(n),a.IsBusy(t)},e}(),DotvvmFileUploadCollection=function(){this.Files=ko.observableArray(),this.Progress=ko.observable(0),this.Error=ko.observable(),this.IsBusy=ko.observable()},DotvvmFileUploadData=function(){this.FileId=ko.observable(),this.FileName=ko.observable(),this.FileSize=ko.observable(),this.IsFileTypeAllowed=ko.observable(),this.IsMaxSizeExceeded=ko.observable(),this.IsAllowed=ko.observable()},DotvvmFileSize=function(){this.Bytes=ko.observable(),this.FormattedText=ko.observable()},DotvvmGlobalize=function(){function e(){}return e.prototype.getGlobalize=function(){var e=window.dotvvm_Globalize;if(!e)throw new Error("Resource 'globalize' is not included (symbol 'dotvvm_Globalize' could not be found).\nIt is usually included automatically when needed, but sometime it's not possible, so you will have to include it in your page using '<dot:RequiredResource Name=\"globalize\" />'");return e},e.prototype.format=function(e){for(var o=this,a=[],t=1;t<arguments.length;t++)a[t-1]=arguments[t];return e.replace(/\{([1-9]?[0-9]+)(:[^}]+)?\}/g,function(e,t,n){var r=a[parseInt(t)];return n?o.formatString(n,r):r})},e.prototype.formatString=function(e,t){if(null==(t=ko.unwrap(t))||""===t)return"";if("string"==typeof t&&null==(t=this.parseDotvvmDate(t)))throw new Error("Could not parse "+t+" as a date");return""!==e&&null!==e||(e="G"),this.getGlobalize().format(t,e,dotvvm.culture)},e.prototype.parseDotvvmDate=function(e){var t=e.match("^([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})(\\.[0-9]{3,7})$");return t?new Date(parseInt(t[1]),parseInt(t[2])-1,parseInt(t[3]),parseInt(t[4]),parseInt(t[5]),parseInt(t[6]),7<t.length?parseInt(t[7].substring(1,4)):0):null},e.prototype.parseNumber=function(e){return this.getGlobalize().parseFloat(e,10,dotvvm.culture)},e.prototype.parseDate=function(e,t,n){return this.getGlobalize().parseDate(e,t,dotvvm.culture,n)},e.prototype.bindingDateToString=function(t,n){var r=this;if(void 0===n&&(n="G"),!t)return"";var o=function(){var e=ko.unwrap(t);return"string"==typeof e?r.parseDotvvmDate(e):e},e=function(){var e=o();return null!=e?r.getGlobalize().format(e,n,dotvvm.culture):""};if(ko.isWriteableObservable(t)){var a="string"==typeof o()?function(e){return t(null==e?null:dotvvm.serialization.serializeDate(e,!1))}:t;return ko.pureComputed({read:function(){return e()},write:function(e){return a(r.getGlobalize().parseDate(e,n,dotvvm.culture))}})}return ko.pureComputed(function(){return e()})},e.prototype.bindingNumberToString=function(r,t){var o=this;if(void 0===t&&(t="G"),null==r)return"";var e=function(){var e=function(){var e=ko.unwrap(r);return"string"==typeof e?o.parseNumber(e):e}();return null!=e?o.getGlobalize().format(e,t,dotvvm.culture):""};return ko.isWriteableObservable(r)?ko.pureComputed({read:function(){return e()},write:function(e){var t=o.getGlobalize().parseFloat(e,10,dotvvm.culture),n=null==e||null!=t&&!isNaN(t);r(n?t:null)}}):ko.pureComputed(function(){return e()})},e}(),PostbackOptions=function(e,t,n,r,o){void 0===n&&(n=[]),this.postbackId=e,this.sender=t,this.args=n,this.viewModel=r,this.viewModelName=o,this.additionalPostbackData={}},ConfirmPostBackHandler=function(){function e(e){this.message=e}return e.prototype.execute=function(n,e){var r=this;return new Promise(function(e,t){confirm(r.message)?n().then(e,t):t({type:"handler",handler:r,message:"The postback was not confirmed"})})},e}(),SuppressPostBackHandler=function(){function e(e){this.suppress=e}return e.prototype.execute=function(n,e){var r=this;return new Promise(function(e,t){r.suppress?t({type:"handler",handler:r,message:"The postback was suppressed"}):n().then(e,t)})},e}(),DotvvmSerialization=function(){function e(){}return e.prototype.deserialize=function(e,t,n){if(void 0===n&&(n=!1),void 0===e||null==e)return ko.isObservable(t)?(t(e),t):e;if("string"==typeof e||"number"==typeof e||"boolean"==typeof e)return ko.isObservable(t)?(t(e),t):e;if(e instanceof Date)return e=dotvvm.serialization.serializeDate(e),ko.isObservable(t)?(t(e),t):e;if(e instanceof Array){if(ko.isObservable(t)&&"removeAll"in t&&null!=t()&&t().length===e.length)for(var r=t(),o=0;o<e.length;o++){var a=r[o]();a!==(c=this.deserialize(e[o],a,n))&&r[o](c)}else{var i=[];for(o=0;o<e.length;o++)i.push(this.wrapObservable(this.deserialize(e[o],{},n)));ko.isObservable(t)?("removeAll"in t||(ko.utils.extend(t,ko.observableArray.fn),t=t.extend({trackArrayChanges:!0})),t(i)):t=ko.observableArray(i)}return t}void 0===t&&(t={});var s=ko.unwrap(t),l=!1;for(var u in null==s&&(s={},ko.isObservable(t)?l=!0:t=s),e)if(e.hasOwnProperty(u)&&!/\$options$/.test(u)){var d=e[u];if(void 0===d)continue;if(!ko.isObservable(d)&&"function"==typeof d)continue;var v=e[u+"$options"];if(!n&&v&&v.doNotUpdate)continue;var c=ko.isObservable(d)?d:this.deserialize(d,s[u],n);if(d instanceof Date&&(s[u+"$options"]=s[u+"$options"]||{},s[u+"$options"].isDate=!0),ko.isObservable(c))if(ko.isObservable(s[u]))c()!==s[u]()&&s[u](c());else{var p=ko.unwrap(c);s[u]=Array.isArray(p)?ko.observableArray(p):ko.observable(p)}else ko.isObservable(s[u])?c!==s[u]()&&s[u](c):s[u]=ko.observable(c);if(v&&v.clientExtenders&&ko.isObservable(s[u]))for(var f=0;f<v.clientExtenders.length;f++){var h={},m=v.clientExtenders[f];h[m.name]=m.parameter,s[u].extend(h)}}for(var u in e)if(e.hasOwnProperty(u)&&/\$options$/.test(u)){for(var b in s[u]=s[u]||{},e[u])e[u].hasOwnProperty(b)&&(s[u][b]=e[u][b]);var g=u.substring(0,u.length-"$options".length);void 0===s[g]&&(s[g]=ko.observable())}return l&&t(s),t},e.prototype.wrapObservable=function(e){return ko.isObservable(e)?e:ko.observable(e)},e.prototype.serialize=function(e,t){if(void 0===t&&(t={}),(t=ko.utils.extend({},t)).pathOnly&&t.path&&0===t.path.length&&(t.pathOnly=!1),null==e)return null;if("string"==typeof e||"number"==typeof e||"boolean"==typeof e)return e;if(ko.isObservable(e))return this.serialize(e(),t);if("function"==typeof e)return null;if(e instanceof Array){if(t.pathOnly&&t.path){var n=parseInt(t.path.pop());return(r=new Array(n+1))[n]=this.serialize(e[n],t),t.path.push(n.toString()),r}for(var r=[],o=0;o<e.length;o++)r.push(this.serialize(e[o],t));return r}if(e instanceof Date)return t.restApiTarget?e:this.serializeDate(e);var a=t.path&&t.path.pop(),i={};for(var s in e)if(e.hasOwnProperty(s)){if(t.pathOnly&&s!==a)continue;var l=e[s];if(t.ignoreSpecialProperties&&"$"===s[0])continue;if(!t.serializeAll&&(/\$options$/.test(s)||"$validationErrors"===s))continue;if(void 0===l)continue;if(!ko.isObservable(l)&&"function"==typeof l)continue;var u=e[s+"$options"];if(!t.serializeAll&&u&&u.doNotPost);else if(t.oneLevel)i[s]=ko.unwrap(l);else if(!t.serializeAll&&u&&u.pathOnly&&t.pathMatcher){var d=u.pathOnly;d instanceof Array||(d=t.path||this.findObject(l,t.pathMatcher)),d&&(0===d.length?i[s]=this.serialize(l,t):i[s]=this.serialize(l,{ignoreSpecialProperties:t.ignoreSpecialProperties,serializeAll:t.serializeAll,path:d,pathOnly:!0}))}else i[s]=this.serialize(l,t);u&&u.type&&!this.validateType(i[s],u.type)&&(delete i[s],u.wasInvalid=!0)}return a&&t.path&&t.path.push(a),i},e.prototype.validateType=function(e,t){var n="?"===t[t.length-1];if(n&&(t=t.substr(0,t.length-1)),n&&(null==e||""==e))return!0;if(!n&&null==e)return!1;var r=/(u?)int(\d*)/.exec(t);if(r){if(!/^-?\d*$/.test(e))return!1;var o="u"===r[1],a=parseInt(r[2]),i=0,s=Math.pow(2,a)-1;o||(s+=i=-Math.floor(s/2));var l=parseInt(e);return i<=l&&l<=s&&l===parseFloat(e)}return"number"!==t&&"single"!==t&&"double"!==t&&"decimal"!==t||(+e===e||!isNaN(+e)&&"string"==typeof e)},e.prototype.findObject=function(e,t){if(t(e))return[];if(t(e=ko.unwrap(e)))return[];if("object"!=typeof e)return null;for(var n in e)if(e.hasOwnProperty(n)){var r=this.findObject(e[n],t);if(r)return r.push(n),r}return null},e.prototype.flatSerialize=function(e){return this.serialize(e,{ignoreSpecialProperties:!0,oneLevel:!0,serializeAll:!0})},e.prototype.getPureObject=function(e){if((e=ko.unwrap(e))instanceof Array)return e.map(this.getPureObject.bind(this));var t={};for(var n in e)"$"!=n[0]&&(t[n]=e[n]);return t},e.prototype.pad=function(e,t){for(;e.length<t;)e="0"+e;return e},e.prototype.serializeDate=function(e,t){if(void 0===t&&(t=!0),null==e)return null;if("string"==typeof e)return null==dotvvm.globalize.parseDotvvmDate(e)&&console.error(new Error("Date "+e+" is invalid.")),e;var n=new Date(e.getTime());return t?n.setMinutes(e.getMinutes()+e.getTimezoneOffset()):n=e,this.pad(n.getFullYear().toString(),4)+"-"+this.pad((n.getMonth()+1).toString(),2)+"-"+this.pad(n.getDate().toString(),2)+"T"+this.pad(n.getHours().toString(),2)+":"+this.pad(n.getMinutes().toString(),2)+":"+this.pad(n.getSeconds().toString(),2)+"."+this.pad(n.getMilliseconds().toString(),3)+"0000"},e}();document.getElementByDotvvmId=function(e){return document.querySelector("[data-dotvvm-id='"+e+"']")};var DotVVM=function(){function e(){var r,a=this;this.postBackCounter=0,this.lastStartedPostack=0,this.resourceSigns={},this.isViewModelUpdating=!0,this.spaHistory=new DotvvmSpaHistory,this.viewModelObservables={},this.isSpaReady=ko.observable(!1),this.viewModels={},this.serialization=new DotvvmSerialization,this.postbackHandlers={confirm:function(e){return new ConfirmPostBackHandler(e.message)},suppress:function(e){return new SuppressPostBackHandler(e.suppress)},timeout:function(e){return e.time?a.createWindowSetTimeoutHandler(e.time):a.windowSetTimeoutHandler},"concurrency-default":function(n){return{name:"concurrency-default",before:["setIsPostbackRunning"],execute:function(e,t){return a.commonConcurrencyHandler(e(),t,n.q||"default")}}},"concurrency-deny":function(r){return{name:"concurrency-deny",before:["setIsPostbackRunning"],execute:function(e,t){var n=r.q||"default";return 0<dotvvm.getPostbackQueue(n).noRunning?Promise.reject({type:"handler",handler:this,message:"An postback is already running"}):dotvvm.commonConcurrencyHandler(e(),t,n)}}},"concurrency-queue":function(o){return{name:"concurrency-queue",before:["setIsPostbackRunning"],execute:function(e,t){var n=o.q||"default",r=function(){return dotvvm.commonConcurrencyHandler(e(),t,n)};return 0<dotvvm.getPostbackQueue(n).noRunning?new Promise(function(e){dotvvm.getPostbackQueue(n).queue.push(function(){return e(r())})}):r()}}},suppressOnUpdating:function(e){return{name:"suppressOnUpdating",before:["setIsPostbackRunning","concurrency-default","concurrency-queue","concurrency-deny"],execute:function(e,t){return dotvvm.isViewModelUpdating?Promise.reject({type:"handler",handler:this,message:"ViewModel is updating, so it's probably false onchange event"}):e()}}}},this.suppressOnDisabledElementHandler={name:"suppressOnDisabledElement",before:["setIsPostbackRunning","concurrency-default","concurrency-queue","concurrency-deny"],execute:function(e,t){return t.sender&&dotvvm.isPostBackProhibited(t.sender)?Promise.reject({type:"handler",handler:a,message:"PostBack is prohitibited on disabled element"}):e()}},this.beforePostbackEventPostbackHandler={execute:function(e,t){var n=new DotvvmBeforePostBackEventArgs(t.sender,t.viewModel,t.viewModelName,t.postbackId);return a.events.beforePostback.trigger(n),n.cancel?Promise.reject({type:"event",options:t}):e()}},this.isPostBackRunningHandler=(r=0,{name:"setIsPostbackRunning",before:["eventInvoke-postbackHandlersStarted"],execute:function(e,t){a.isPostbackRunning(!0),r++;var n=e();return n.then(function(){return a.isPostbackRunning(!!--r)},function(){return a.isPostbackRunning(!!--r)}),n}}),this.windowSetTimeoutHandler=this.createWindowSetTimeoutHandler(0),this.commonConcurrencyHandler=function(e,n,t){var r=a.getPostbackQueue(t);r.noRunning++;var o=function(){if(r.noRunning--,0<r.queue.length){var e=r.queue.shift();window.setTimeout(e,0)}};return e.then(function(e){var t=a.lastStartedPostack==n.postbackId?e:function(){return Promise.reject(null)};return function(){var e=t();return e.then(o,o),e}},function(e){return o(),Promise.reject(e)})},this.defaultConcurrencyPostbackHandler=this.postbackHandlers["concurrency-default"]({}),this.postbackQueues={},this.postbackHandlersStartedEventHandler={name:"eventInvoke-postbackHandlersStarted",execute:function(e,t){return dotvvm.events.postbackHandlersStarted.trigger(t),e()}},this.postbackHandlersCompletedEventHandler={name:"eventInvoke-postbackHandlersCompleted",after:["eventInvoke-postbackHandlersStarted"],execute:function(e,t){return dotvvm.events.postbackHandlersCompleted.trigger(t),e()}},this.globalPostbackHandlers=[this.suppressOnDisabledElementHandler,this.isPostBackRunningHandler,this.postbackHandlersStartedEventHandler],this.globalLaterPostbackHandlers=[this.postbackHandlersCompletedEventHandler,this.beforePostbackEventPostbackHandler],this.events=new DotvvmEvents,this.globalize=new DotvvmGlobalize,this.evaluator=new DotvvmEvaluator,this.domUtils=new DotvvmDomUtils,this.fileUpload=new DotvvmFileUpload,this.extensions={},this.isPostbackRunning=ko.observable(!1)}return e.prototype.createWindowSetTimeoutHandler=function(n){return{name:"timeout",before:["eventInvoke-postbackHandlersStarted","setIsPostbackRunning"],execute:function(e,t){return new Promise(function(e,t){return window.setTimeout(e,n)}).then(function(){return e()})}}},e.prototype.getPostbackQueue=function(e){return void 0===e&&(e="default"),this.postbackQueues[e]||(this.postbackQueues[e]={queue:[],noRunning:0}),this.postbackQueues[e]},e.prototype.init=function(t,e){var n=this;this.addKnockoutBindingHandlers();var r=this.viewModels[t]=JSON.parse(document.getElementById("__dot_viewmodel_"+t).value);if(r.resources)for(var o in r.resources)this.resourceSigns[o]=!0;r.renderedResources&&r.renderedResources.forEach(function(e){return n.resourceSigns[e]=!0});var a=r.resultIdFragment,i=r.viewModel=this.serialization.deserialize(this.viewModels[t].viewModel,{},!0);this.culture=e,this.validation=new DotvvmValidation(this),this.viewModelObservables[t]=ko.observable(i),ko.applyBindings(this.viewModelObservables[t],document.documentElement),this.events.init.trigger({viewModel:i});var s=this.getSpaPlaceHolder();if(null!=s){var l=function(e){return n.handleHashChange(t,s,e)};this.useHistoryApiSpaNavigation=JSON.parse(s.getAttribute("data-dotvvm-spacontentplaceholder-usehistoryapi")),this.useHistoryApiSpaNavigation&&(l=function(e){return n.handleHashChangeWithHistory(t,s,e)});this.domUtils.attachEvent(window,"hashchange",function(){return l(!1)}),l(!0)}if(window.addEventListener("popstate",function(e){return n.handlePopState(t,e,null!=s)}),this.isViewModelUpdating=!1,a)if(s){var u=document.getElementById(a);u&&"function"==typeof u.scrollIntoView&&u.scrollIntoView(!0)}else location.hash=a;this.domUtils.attachEvent(window,"beforeunload",function(e){n.persistViewModel(t)})},e.prototype.handlePopState=function(e,t,n){if(this.spaHistory.isSpaPage(t.state)){var r=this.spaHistory.getHistoryRecord(t.state);n?this.navigateCore(e,r.url):this.performRedirect(r.url,!0),t.preventDefault()}},e.prototype.handleHashChangeWithHistory=function(e,t,n){var r=this;if(0===document.location.hash.indexOf("#!/"))this.navigateCore(e,document.location.hash.substring(2),function(e){r.spaHistory.replacePage(e)});else{var o=t.getAttribute("data-dotvvm-spacontentplaceholder-defaultroute");if(!t.hasAttribute("data-dotvvm-spacontentplaceholder-content")&&o)this.navigateCore(e,"/"+o,function(e){return r.spaHistory.replacePage(e)});else{this.isSpaReady(!0),t.style.display="";var a=location.pathname+location.search+location.hash;this.spaHistory.replacePage(a)}}},e.prototype.handleHashChange=function(e,t,n){if(0===document.location.hash.indexOf("#!/"))this.navigateCore(e,document.location.hash.substring(2));else{var r=t.getAttribute("data-dotvvm-spacontentplaceholder-defaultroute");if(r)r="#!/"+r,r=this.fixSpaUrlPrefix(r),this.performRedirect(r,n);else if(n)this.isSpaReady(!0),t.style.display="";else{var o=(r=document.location.toString()).indexOf("/","https://".length);r=0<o?r.substring(o):"/",this.navigateCore(e,r)}}},e.prototype.persistViewModel=function(e){var t=this.viewModels[e],n={};for(var r in t)t.hasOwnProperty(r)&&(n[r]=t[r]);n.viewModel=this.serialization.serialize(n.viewModel,{serializeAll:!0}),document.getElementById("__dot_viewmodel_"+e).value=JSON.stringify(n)},e.prototype.backUpPostBackConter=function(){return++this.postBackCounter},e.prototype.isPostBackStillActive=function(e){return this.postBackCounter===e},e.prototype.staticCommandPostback=function(t,n,e,r,o,a){var i=this;void 0===o&&(o=function(e){}),void 0===a&&(a=function(e,t){});var s=this.serialization.serialize({args:r,command:e,$csrfToken:this.viewModels[t].viewModel.$csrfToken});dotvvm.events.staticCommandMethodInvoking.trigger(s),this.postJSON(this.viewModels[t].url,"POST",ko.toJSON(s),function(t){try{i.isViewModelUpdating=!0;var e=JSON.parse(t.responseText);dotvvm.events.staticCommandMethodInvoked.trigger(__assign({},s,{result:e,xhr:t})),o(e)}catch(e){dotvvm.events.staticCommandMethodFailed.trigger(__assign({},s,{xhr:t,error:e})),a(t,e)}finally{i.isViewModelUpdating=!1}},function(e){i.events.error.trigger(new DotvvmErrorEventArgs(n,i.viewModels[t].viewModel,t,e,null)),console.warn("StaticCommand postback failed: "+e.status+" - "+e.statusText,e),a(e),dotvvm.events.staticCommandMethodFailed.trigger(__assign({},s,{xhr:e}))},function(e){e.setRequestHeader("X-PostbackType","StaticCommand")})},e.prototype.processPassedId=function(e,t){if("string"==typeof e||null==e)return e;if("object"==typeof e&&e.expr)return this.evaluator.evaluateOnViewModel(t,e.expr);throw new Error("invalid argument")},e.prototype.getPostbackHandler=function(e){var t=this.postbackHandlers[e];if(t)return t;throw new Error("Could not find postback handler of name '"+e+"'")},e.prototype.isPostbackHandler=function(e){return e&&"function"==typeof e.execute},e.prototype.findPostbackHandlers=function(r,e){var o=this,a=function(e,t){return!1===t.enabled?null:o.getPostbackHandler(e)(t)};return e.map(function(e){return"string"==typeof e?a(e,{}):o.isPostbackHandler(e)?e:e instanceof Array?(t=e[0],n=e[1],a(t,"function"==typeof n?n(r,r.$data):n)):a(e.name,e.options&&e.options(r));var t,n}).filter(function(e){return null!=e})},e.prototype.sortHandlers=function(o){for(var n=function(){for(var t={},e=0,n=o;e<n.length;e++){var r=n[e];null!=r.name&&(t[r.name]=r)}return function(e){return"string"==typeof e?t[e]:e}}(),i=o.map(function(e,t){return e["@sort_index"]=t,{handler:e,deps:(e.after||[]).map(n)}}),e=0,t=o;e<t.length;e++){var r=t[e];if(r.before)for(var a=0,s=r.before.map(n);a<s.length;a++){var l=s[a];if(l){var u=l["@sort_index"];i[u].deps.push(r)}}}for(var d=[],v=new Uint8Array(i.length),c=function(e){switch(v[e]){case 0:break;case 1:throw new Error("Cyclic PostbackHandler dependency found.");case 2:return;default:throw new Error("")}if(1!=v[e]){v[e]=1;for(var t=i[e],n=t.handler,r=0,o=t.deps;r<o.length;r++){var a=o[r];c(a["@sort_index"])}v[e]=2,d.push(n)}},p=0;p<i.length;p++)c(p);return d},e.prototype.applyPostbackHandlersCore=function(e,r,t){var n=function(e){return"function"==typeof e?e:function(){return Promise.resolve(new DotvvmAfterPostBackEventArgs(r,null,e))}};return null==t||0===t.length?e(r).then(n,function(e){return Promise.reject(e)}):this.sortHandlers(t).reduceRight(function(e,t,n){return function(){return t.execute(e,r)}},function(){return e(r).then(n,function(e){return Promise.reject(e)})})()},e.prototype.applyPostbackHandlers=function(e,t,n,r,o,a,i){void 0===r&&(r=[]),void 0===o&&(o=ko.contextFor(t)),void 0===a&&(a=o.$root);var s=new PostbackOptions(this.backUpPostBackConter(),t,r,a,i),l=this.applyPostbackHandlersCore(e,s,this.findPostbackHandlers(o,this.globalPostbackHandlers.concat(n||[]).concat(this.globalLaterPostbackHandlers))).then(function(e){return e()},function(e){return Promise.reject(e)});return l.catch(function(e){e&&console.log("Rejected: "+e)}),l},e.prototype.postbackCore=function(v,r,o,a,i,s){var c=this;return new Promise(function(e,t){var u=v.viewModelName,d=c.viewModels[u].viewModel;c.lastStartedPostack=v.postbackId,c.updateDynamicPathFragments(i,r);var n={viewModel:c.serialization.serialize(d,{pathMatcher:function(e){return i&&e==i.$data}}),currentPath:r,command:o,controlUniqueId:c.processPassedId(a,i),additionalData:v.additionalPostbackData,renderedResources:c.viewModels[u].renderedResources,commandArgs:s};c.postJSON(c.viewModels[u].url,"POST",ko.toJSON(n),function(l){dotvvm.events.postbackResponseReceived.trigger({}),e(function(){return new Promise(function(a,i){dotvvm.events.postbackCommitInvoked.trigger({});var e=l.getResponseHeader("Location"),s=null!=e&&0<e.length?{action:"redirect",url:e}:JSON.parse(l.responseText);!s.viewModel&&s.viewModelDiff&&(s.viewModel=c.patch(n.viewModel,s.viewModelDiff)),c.loadResourceList(s.resources,function(){var e=!1;if("successfulCommand"===s.action){try{c.isViewModelUpdating=!0;var t=c.cleanUpdatedControls(s);s.viewModel&&(ko.delaySync.pause(),c.serialization.deserialize(s.viewModel,c.viewModels[u].viewModel),ko.delaySync.resume()),e=!0,c.cleanUpdatedControls(s,t),c.restoreUpdatedControls(s,t,!0)}finally{c.isViewModelUpdating=!1}dotvvm.events.postbackViewModelUpdated.trigger({})}else if("redirect"===s.action)return c.handleRedirect(s,u),a();var n=s.resultIdFragment;if(n)if(c.getSpaPlaceHolder()||location.hash=="#"+n){var r=document.getElementById(n);r&&"function"==typeof r.scrollIntoView&&r.scrollIntoView(!0)}else location.hash=n;if(e){var o=new DotvvmAfterPostBackEventArgs(v,s,s.commandResult,l);a(o)}else i(new DotvvmErrorEventArgs(v.sender,d,u,l,v.postbackId,s))})})})},function(e){t({type:"network",options:v,args:new DotvvmErrorEventArgs(v.sender,d,u,e,v.postbackId)})})})},e.prototype.handleSpaNavigation=function(e){return"_blank"==e.getAttribute("target")||this.handleSpaNavigationCore(e.getAttribute("href"))},e.prototype.handleSpaNavigationCore=function(e){var t=this;if(e&&0===e.indexOf("/")){return e=this.removeVirtualDirectoryFromUrl(e,"root"),this.navigateCore("root",e,function(e){history.state&&history.state.url==e||t.spaHistory.pushPage(e)}),!1}return!0},e.prototype.postBack=function(e,t,n,r,o,a,i,s){var l=this;a=a||ko.contextFor(t);var u=this.findPostbackHandlers(a,this.globalPostbackHandlers.concat(i||[]).concat(this.globalLaterPostbackHandlers));0==u.filter(function(e){return e.name&&0==e.name.indexOf("concurrency-")}).length&&u.push(this.defaultConcurrencyPostbackHandler);var d=new PostbackOptions(this.backUpPostBackConter(),t,s,a.$data,e),v=this.applyPostbackHandlersCore(function(e){return l.postbackCore(e,n,r,o,a,s)},d,u).then(function(e){return e().then(function(e){return e},function(e){return Promise.reject({type:"commit",args:e})})},function(e){return Promise.reject(e)});return v.then(function(e){return e&&l.events.afterPostback.trigger(e)},function(e){var t=new DotvvmAfterPostBackEventArgs(d,"commit"==e.type&&e.args?e.args.serverResponseObject:null,d.postbackId);"handler"==e.type||"event"==e.type?(t.wasInterrupted=!0,l.events.postbackRejected.trigger({})):"network"==e.type&&l.events.error.trigger(e.args),l.events.afterPostback.trigger(t)}),v},e.prototype.loadResourceList=function(e,t){var n="";for(var r in e){if(!/^__noname_\d+$/.test(r)){if(this.resourceSigns[r])continue;this.resourceSigns[r]=!0}n+=e[r]+" "}if(""!==n.trim()){var o=document.createElement("div");o.innerHTML=n;for(var a=[],i=0;i<o.children.length;i++)a.push(o.children.item(i));this.loadResourceElements(a,0,t)}else setTimeout(t,4)},e.prototype.loadResourceElements=function(e,t,n){var r=this;if(t>=e.length)n();else{var o=e[t],a=!1;if("script"==o.tagName.toLowerCase()){var i=document.createElement("script");o.src&&(i.src=o.src,a=!0),o.type&&(i.type=o.type),o.text&&(i.text=o.text),o=i}else if("link"==o.tagName.toLowerCase()){var s=document.createElement("link");o.href&&(s.href=o.href),o.rel&&(s.rel=o.rel),o.type&&(s.type=o.type),o=s}a&&(o.onload=function(){return r.loadResourceElements(e,t+1,n)}),document.head.appendChild(o),a||this.loadResourceElements(e,t+1,n)}},e.prototype.getSpaPlaceHolder=function(){var e=document.getElementsByName("__dot_SpaContentPlaceHolder");return 1==e.length?e[0]:null},e.prototype.navigateCore=function(i,e,t){var s=this,n=this.viewModels[i].viewModel,r=this.backUpPostBackConter(),o=new DotvvmSpaNavigatingEventArgs(n,i,e);if(this.events.spaNavigating.trigger(o),!o.cancel){var a=this.viewModels[i].virtualDirectory||"",l="/___dotvvm-spa___"+this.addLeadingSlash(e),u=this.addLeadingSlash(this.concatUrl(a,l)),d=this.getSpaPlaceHolder();if(d){t&&t(this.addLeadingSlash(this.concatUrl(a,this.addLeadingSlash(e))));var v=d.attributes["data-dotvvm-spacontentplaceholder"].value;this.getJSON(u,"GET",v,function(o){if(s.isPostBackStillActive(r)){var a=JSON.parse(o.responseText);s.loadResourceList(a.resources,function(){var e=!1;if("successfulCommand"!==a.action&&a.action){if("redirect"===a.action)return void s.handleRedirect(a,i,!0)}else try{s.isViewModelUpdating=!0;var t=s.cleanUpdatedControls(a);for(var n in s.viewModels[i]={},a)a.hasOwnProperty(n)&&(s.viewModels[i][n]=a[n]);ko.delaySync.pause(),s.serialization.deserialize(a.viewModel,s.viewModels[i].viewModel),ko.delaySync.resume(),e=!0,s.viewModelObservables[i](s.viewModels[i].viewModel),s.restoreUpdatedControls(a,t,!0),s.isSpaReady(!0)}finally{s.isViewModelUpdating=!1}var r=new DotvvmSpaNavigatedEventArgs(s.viewModels[i].viewModel,i,a,o);if(s.events.spaNavigated.trigger(r),!e&&!r.isHandled)throw"Invalid response from server!"})}},function(e){if(s.isPostBackStillActive(r)){var t=new DotvvmErrorEventArgs(void 0,n,i,e,-1,void 0,!0);s.events.error.trigger(t),t.handled||alert(e.responseText)}})}else document.location.href=u}},e.prototype.handleRedirect=function(e,t,n){var r;void 0===n&&(n=!1),null!=e.replace&&(n=e.replace),r=this.getSpaPlaceHolder()&&!this.useHistoryApiSpaNavigation&&e.url.indexOf("//")<0&&e.allowSpa?("#!"===(r="#!"+this.removeVirtualDirectoryFromUrl(e.url,t))&&(r="#!/"),this.fixSpaUrlPrefix(r)):e.url;var o=new DotvvmRedirectEventArgs(dotvvm.viewModels[t],t,r,n);this.events.redirect.trigger(o),this.performRedirect(r,n,e.allowSpa&&this.useHistoryApiSpaNavigation)},e.prototype.performRedirect=function(e,t,n){if(t)location.replace(e);else if(n)this.handleSpaNavigationCore(e);else{var r=this.fakeRedirectAnchor;r||((r=document.createElement("a")).style.display="none",r.setAttribute("data-dotvvm-fake-id","dotvvm_fake_redirect_anchor_87D7145D_8EA8_47BA_9941_82B75EE88CDB"),document.body.appendChild(r),this.fakeRedirectAnchor=r),r.href=e,r.click()}},e.prototype.fixSpaUrlPrefix=function(e){var t=this.getSpaPlaceHolder().attributes["data-dotvvm-spacontentplaceholder-urlprefix"];if(!t)return e;var n=t.value;return n!==document.location.pathname&&(""===n&&(n="/"),e=n+e),e},e.prototype.removeVirtualDirectoryFromUrl=function(e,t){var n="/"+this.viewModels[t].virtualDirectory;return 0==e.indexOf(n)?this.addLeadingSlash(e.substring(n.length)):e},e.prototype.addLeadingSlash=function(e){return 0<e.length&&"/"!=e.substring(0,1)?"/"+e:e},e.prototype.concatUrl=function(e,t){return 0<e.length&&"/"==e.substring(e.length-1)&&(e=e.substring(0,e.length-1)),e+this.addLeadingSlash(t)},e.prototype.patch=function(n,e){var r=this;if(n instanceof Array&&e instanceof Array)return e.map(function(e,t){return r.patch(n[t],e)});if(n instanceof Array||e instanceof Array)return e;if("object"!=typeof n||"object"!=typeof e||!n||!e)return e;for(var t in e)null==e[t]?n[t]=null:null==n[t]?n[t]=e[t]:n[t]=this.patch(n[t],e[t]);return n},e.prototype.updateDynamicPathFragments=function(e,t){for(var n=t.length-1;0<=n;n--)0<=t[n].indexOf("[$index]")&&(t[n]=t[n].replace("[$index]","["+e.$index()+"]")),0<=t[n].indexOf("[$indexPath]")&&(t[n]=t[n].replace("[$indexPath]","["+e.$indexPath.map(function(e){return e()}).join("]/[")+"]")),e=e.$parentContext},e.prototype.postJSON=function(e,t,n,r,o,a){void 0===a&&(a=function(e){});var i=this.getXHR();i.open(t,e,!0),i.setRequestHeader("Content-Type","application/json"),i.setRequestHeader("X-DotVVM-PostBack","true"),i.setRequestHeader("X-Requested-With","XMLHttpRequest"),a(i),i.onreadystatechange=function(){i.readyState===XMLHttpRequest.DONE&&(i.status<400?r(i):o(i))},i.send(n)},e.prototype.getJSON=function(e,t,n,r,o){var a=this.getXHR();a.open(t,e,!0),a.setRequestHeader("Content-Type","application/json"),a.setRequestHeader("X-DotVVM-SpaContentPlaceHolder",n),a.onreadystatechange=function(){a.readyState===XMLHttpRequest.DONE&&(a.status<400?r(a):o(a))},a.send()},e.prototype.getXHR=function(){return XMLHttpRequest?new XMLHttpRequest:new window.ActiveXObject("Microsoft.XMLHTTP")},e.prototype.cleanUpdatedControls=function(e,t){for(var n in void 0===t&&(t={}),e.updatedControls)if(e.updatedControls.hasOwnProperty(n)){var r=document.getElementByDotvvmId(n);if(r){var o=ko.contextFor(r),a=r.nextSibling,i=r.parentNode;ko.removeNode(r),t[n]={control:r,nextSibling:a,parent:i,dataContext:o}}}return t},e.prototype.restoreUpdatedControls=function(n,r,e){var o=this;for(var t in n.updatedControls)if(n.updatedControls.hasOwnProperty(t)){var a=r[t];if(a){var i=document.createElement(r[t].parent.tagName||"div");if(i.innerHTML=n.updatedControls[t],1<i.childElementCount)throw new Error("Postback.Update control can not render more than one element");var s=i.firstElementChild;if(null==s.id)throw new Error("Postback.Update control always has to render id attribute.");s.id!==r[t].control.id&&console.log("Postback.Update control changed id from '"+r[t].control.id+"' to '"+s.id+"'"),i.removeChild(s),a.nextSibling?a.parent.insertBefore(s,a.nextSibling):a.parent.appendChild(s)}}e&&window.setTimeout(function(){try{for(var e in o.isViewModelUpdating=!0,n.updatedControls){var t=document.getElementByDotvvmId(e);t&&ko.applyBindings(r[e].dataContext,t)}}finally{o.isViewModelUpdating=!1}},0)},e.prototype.unwrapArrayExtension=function(e){return ko.unwrap(ko.unwrap(e))},e.prototype.buildRouteUrl=function(e,i){var t=(e="/"+e).replace(/(\/[^\/]*?)\{([^\}]+?)\??(:(.+?))?\}/g,function(e,t,n,r,o){if(!n)return"";var a=ko.unwrap(i[n.toLowerCase()]);return null==a?"":t+a});return 0===t.indexOf("/")?t.substring(1):t},e.prototype.buildUrlSuffix=function(e,t){var n,r;for(var o in r=-1!==e.indexOf("#")?(n=e.substring(0,e.indexOf("#")),e.substring(e.indexOf("#"))):(n=e,""),t)if(t.hasOwnProperty(o)){if(!o)continue;var a=ko.unwrap(t[o]);if(null==a)continue;n=n.concat(-1!==n.indexOf("?")?"&"+o+"="+a:"?"+o+"="+a)}return n.concat(r)},e.prototype.isPostBackProhibited=function(e){return!!(e&&e.tagName&&-1<["a","input","button"].indexOf(e.tagName.toLowerCase())&&e.getAttribute("disabled"))},e.prototype.addKnockoutBindingHandlers=function(){function v(n,r){void 0===r&&(r=null);var e=ko.pureComputed({read:function(){var e=n();return ko.unwrap(e)},write:function(e){var t=n();ko.isObservable(t)?t(e):console.warn("Attempted to write to readonly property"+(null==r?"":" "+r)+".")}});return e.wrappedProperty=n,e}ko.virtualElements.allowedBindings.dotvvm_withControlProperties=!0,ko.bindingHandlers.dotvvm_withControlProperties={init:function(e,t,n,r,o){if(!o)throw new Error;var a=t();for(var i in a)a[i]=v(function(){var e=t()[this.prop];return ko.isObservable(e)?e:dotvvm.serialization.deserialize(e)}.bind({prop:i}),"'"+i+"' at '"+t.toString()+"'");var s=o.extend({$control:a});return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}},update:function(e,t,n,r,o){}},ko.virtualElements.allowedBindings.dotvvm_introduceAlias=!0,ko.bindingHandlers.dotvvm_introduceAlias={init:function(e,t,n,r,o){if(!o)throw new Error;var a=t(),i={};for(var s in a){for(var l=s.split("."),u=i;0<l.length-1;0)u=i[l[0]]||(i[l[0]]={});u[l[l.length-1]]=v(function(){return t()[this.prop]}.bind({prop:s}),"'"+s+"' at '"+t.toString()+"'")}var d=o.extend(i);return e.innerBindingContext=d,ko.applyBindingsToDescendants(d,e),{controlsDescendantBindings:!0}}};var l="$foreachCollectionSymbol";ko.virtualElements.allowedBindings["dotvvm-SSR-foreach"]=!0,ko.bindingHandlers["dotvvm-SSR-foreach"]={init:function(e,t,n,r,o){var a;if(!o)throw new Error;var i=t(),s=o.extend(((a={})[l]=i.data,a));return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}}},ko.virtualElements.allowedBindings["dotvvm-SSR-item"]=!0,ko.bindingHandlers["dotvvm-SSR-item"]={init:function(e,t,n,r,o){if(!o)throw new Error;var a=t(),i=o[l],s=o.createChildContext(function(){return ko.unwrap((ko.unwrap(i)||[])[a])}).extend({$index:ko.pureComputed(function(){return a})});return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}}},ko.virtualElements.allowedBindings.withGridViewDataSet=!0,ko.bindingHandlers.withGridViewDataSet={init:function(e,t,n,r,o){var a;if(!o)throw new Error;var i=t(),s=o.extend(((a={$gridViewDataSet:i})[l]=dotvvm.evaluator.getDataSourceItems(i),a));return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}},update:function(e,t,n,r,o){}},ko.bindingHandlers.dotvvmEnable={update:function(e,t){var n=ko.utils.unwrapObservable(t());n&&e.disabled?(e.disabled=!1,e.removeAttribute("disabled")):n||e.disabled||(e.disabled=!0,e.setAttribute("disabled","disabled"))}},ko.bindingHandlers["dotvvm-checkbox-updateAfterPostback"]={init:function(e,t,r,n,o){dotvvm.events.afterPostback.subscribe(function(e){var t=r();if(t["dotvvm-checked-pointer"]){var n=t[t["dotvvm-checked-pointer"]];ko.isObservable(n)&&(n.valueHasMutated?n.valueHasMutated():n.notifySubscribers())}})}},ko.bindingHandlers["dotvvm-checked-pointer"]={init:function(e,t,n,r,o){}},ko.bindingHandlers["dotvvm-UpdateProgress-Visible"]={init:function(t,e,n,r,o){t.style.display="none";var a,i=t.getAttribute("data-delay"),s=!1;dotvvm.isPostbackRunning.subscribe(function(e){e?s||(s=!0,null==i?t.style.display="":a=setTimeout(function(e){t.style.display=""},i)):(s=!1,clearTimeout(a),t.style.display="none")})}},ko.bindingHandlers["dotvvm-table-columnvisible"]={init:function(e,t,n,r,o){var a="",i=!0;if(e instanceof HTMLTableCellElement){for(var s=e;!(s instanceof HTMLTableElement);)s=s.parentElement;var l=s.rows.item(0);if(!l)throw Error("Table with dotvvm-table-columnvisible binding handler must not be empty.");var u=[].slice.call(l.cells).indexOf(e);e.dotvvmChangeVisibility=function(e,t,n){if(i!=n){i=n;for(var r=0;r<e.rows.length;r++){var o=e.rows.item(r).cells[t].style;n?o.display=a:(a=o.display||"",o.display="none")}}}.bind(null,s,u)}},update:function(e,t){e.dotvvmChangeVisibility(ko.unwrap(t()))}},ko.bindingHandlers["dotvvm-textbox-text"]={init:function(r,e,t,n,o){var a=e(),i=(t.get("valueUpdate"),new DotvvmValidationElementMetadata);i.element=r,i.dataType=(r.attributes["data-dotvvm-value-type"]||{value:""}).value,i.format=(r.attributes["data-dotvvm-format"]||{value:""}).value;var s=null;s=ko.isObservable(a)?(a.dotvvmMetadata?(a.dotvvmMetadata.elementsMetadata||(a.dotvvmMetadata.elementsMetadata=[]),a.dotvvmMetadata.elementsMetadata.push(i)):(a.dotvvmMetadata=new DotvvmValidationObservableMetadata,a.dotvvmMetadata.elementsMetadata=[i]),a.dotvvmMetadata.elementsMetadata):new DotvvmValidationObservableMetadata,setTimeout(function(r,o){ko.utils.domNodeDisposal.addDisposeCallback(o,function(){for(var e=0,t=r;e<t.length;e++){var n=t[e];if(n.element===o){r.splice(r.indexOf(n),1);break}}})},0,s,r),dotvvm.domUtils.attachEvent(r,"change",function(){if(ko.isObservable(a)){var e,t;if("datetime"===i.dataType){var n=a();null!=n&&(n=dotvvm.globalize.parseDotvvmDate(n)),t=null==(e=dotvvm.globalize.parseDate(r.value,i.format,n))?null:dotvvm.serialization.serializeDate(e,!1)}else t=null===(e=dotvvm.globalize.parseNumber(r.value))||isNaN(e)?null:e;null==t&&null!==r.value&&""!==r.value?(r.attributes["data-invalid-value"]=r.value,r.attributes["data-dotvvm-value-type-valid"]=!1,i.elementValidationState=!1):(r.attributes["data-invalid-value"]=null,r.attributes["data-dotvvm-value-type-valid"]=!0,i.elementValidationState=!0),a()===t?a.valueHasMutated?a.valueHasMutated():a.notifySubscribers():a(t)}})},update:function(e,t,n,r,o){var a=t(),i=(e.attributes["data-dotvvm-format"]||{value:""}).value,s=ko.unwrap(a);if(i){var l=dotvvm.globalize.formatString(i,s),u=e.attributes["data-invalid-value"];if(null==u){if(e.value=l||"",a.dotvvmMetadata&&a.dotvvmMetadata.elementsMetadata)for(var d=0,v=a.dotvvmMetadata.elementsMetadata;d<v.length;d++){var c=v[d];c.element===e&&(e.attributes["data-dotvvm-value-type-valid"]=!0,c.elementValidationState=!0)}}else e.attributes["data-invalid-value"]=null,e.value=u}else e.value=s}},ko.bindingHandlers["dotvvm-textbox-select-all-on-focus"]={init:function(e,t,n,r,o){e.$selectAllOnFocusHandler=function(){e.select()}},update:function(e,t,n,r,o){!0===ko.unwrap(t())?e.addEventListener("focus",e.$selectAllOnFocusHandler):e.removeEventListener("focus",e.$selectAllOnFocusHandler)}},ko.bindingHandlers["dotvvm-CheckState"]={init:function(e,t,n,r,o){ko.getBindingHandler("checked").init(e,t,n,r,o)},update:function(e,t,n){var r=ko.unwrap(t());e.indeterminate=null==r}}},e}(),DotvvmValidationContext=function(e,t,n){this.valueToValidate=e,this.parentViewModel=t,this.parameters=n},DotvvmValidationObservableMetadata=function(){},DotvvmValidationElementMetadata=function(){this.elementValidationState=!0},DotvvmValidatorBase=function(){function e(){}return e.prototype.isValid=function(e,t){return!1},e.prototype.isEmpty=function(e){return null==e||"string"==typeof e&&""===e.trim()},e.prototype.getValidationMetadata=function(e){return e.dotvvmMetadata},e}(),DotvvmRequiredValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate;return!this.isEmpty(t)},t}(DotvvmValidatorBase),DotvvmRegularExpressionValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate,n=e.parameters[0];return this.isEmpty(t)||new RegExp(n).test(t)},t}(DotvvmValidatorBase),DotvvmIntRangeValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate,n=e.parameters[0],r=e.parameters[1];return t%1==0&&n<=t&&t<=r},t}(DotvvmValidatorBase),DotvvmEnforceClientFormatValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e,t){var n=!0;e.parameters[0]||null!=e.valueToValidate||(n=!1),e.parameters[1]||0!==e.valueToValidate.length||(n=!1),!e.parameters[2]&&this.isEmpty(e.valueToValidate)&&(n=!1);var r=this.getValidationMetadata(t);if(r&&r.elementsMetadata)for(var o=0,a=r.elementsMetadata;o<a.length;o++){a[o].elementValidationState||(n=!1)}return n},t}(DotvvmValidatorBase),DotvvmRangeValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e,t){var n=e.valueToValidate,r=e.parameters[0],o=e.parameters[1];return r<=n&&n<=o},t}(DotvvmValidatorBase),DotvvmNotNullValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){return null!==e.valueToValidate&&void 0!==e.valueToValidate},t}(DotvvmValidatorBase),DotvvmEmailAddressValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate;if(null==t)return!0;if("string"!=typeof t)return!1;for(var n=!1,r=0;r<t.length;r++)if("@"==t[r]){if(n||0==r||r==t.length-1)return!1;n=!0}return n},t}(DotvvmValidatorBase),ValidationError=function(){function e(e,t){this.validatedObservable=e,this.errorMessage=t}return e.getOrCreate=function(e){if(e.wrappedProperty){var t=e.wrappedProperty();ko.isObservable(t)&&(e=t)}return e.validationErrors||(e.validationErrors=ko.observableArray()),e.validationErrors},e.isValid=function(e){return!e.validationErrors||0===e.validationErrors().length},e.prototype.clear=function(e){this.validatedObservable.validationErrors.remove(this),e.errors.remove(this)},e}(),DotvvmValidation=function(){function e(a){var u=this;this.rules={required:new DotvvmRequiredValidator,regularExpression:new DotvvmRegularExpressionValidator,intrange:new DotvvmIntRangeValidator,range:new DotvvmRangeValidator,emailAddress:new DotvvmEmailAddressValidator,notnull:new DotvvmNotNullValidator,enforceClientFormat:new DotvvmEnforceClientFormatValidator},this.errors=ko.observableArray([]),this.events={validationErrorsChanged:new DotvvmEvent("dotvvm.validation.events.validationErrorsChanged")},this.elementUpdateFunctions={hideWhenValid:function(e,t,n){0<t.length?e.style.display="":e.style.display="none"},invalidCssClass:function(e,t,n){if(0<t.length)e.className+=" "+n;else{var r=n.split(" ");e.className=e.className.split(" ").filter(function(e){return r.indexOf(e)<0}).join(" ")}},setToolTipText:function(e,t,n){0<t.length?e.title=t.join(", "):e.title=""},showErrorMessageText:function(e,t,n){e[e.innerText?"innerText":"textContent"]=t.join(", ")}};var t=function(o){return{execute:function(e,t){if(o){t.additionalPostbackData.validationTargetPath=o;var n=ko.contextFor(t.sender),r=a.evaluator.evaluateOnViewModel(n,o);if(u.errors([]),u.clearValidationErrors(a.viewModelObservables[t.viewModelName||"root"]),u.validateViewModel(r),0<u.errors().length)return console.log("Validation failed: postback aborted; errors: ",u.errors()),Promise.reject({type:"handler",handler:u,message:"Validation failed"});u.events.validationErrorsChanged.trigger({viewModel:t.viewModel})}return e()}}};a.postbackHandlers.validate=function(e){return t(e.path)},a.postbackHandlers["validate-root"]=function(){return t("dotvvm.viewModelObservables['root']")},a.postbackHandlers["validate-this"]=function(){return t("$data")},a.events.afterPostback.subscribe(function(e){!e.wasInterrupted&&e.serverResponseObject&&("successfulCommand"===e.serverResponseObject.action?(u.mergeValidationRules(e),e.isHandled=!0):"validationErrors"===e.serverResponseObject.action&&(u.showValidationErrorsFromServer(e),e.isHandled=!0)),u.events.validationErrorsChanged.trigger(e)}),a.events.spaNavigating.subscribe(function(e){u.clearValidationErrors(a.viewModelObservables[e.viewModelName])}),ko.bindingHandlers.dotvvmValidation={init:function(t,e,n,r,o){var a=e();if(ko.isObservable(a)){var i=n.get("dotvvmValidationOptions"),s=function(e,t){for(var n in i)i.hasOwnProperty(n)&&u.elementUpdateFunctions[n](e,t.map(function(e){return e.errorMessage}),i[n])},l=ValidationError.getOrCreate(a);l.subscribe(function(e){return s(t,e)}),s(t,l())}}}}return e.prototype.validateViewModel=function(e){if(ko.isObservable(e)&&(e=ko.unwrap(e)),e){var t=ko.unwrap(e.$type),n=(dotvvm.viewModels.root.validationRules||{})[t]||{};for(var r in e)if(e.hasOwnProperty(r)&&0!==r.indexOf("$")){var o=e[r];if(o&&ko.isObservable(o)){var a=e[r]();n.hasOwnProperty(r)&&this.validateProperty(e,o,a,n[r]);var i=e[r+"$options"];if(i&&i.type&&ValidationError.isValid(o)&&!dotvvm.serialization.validateType(a,i.type)){var s=new ValidationError(o,"The value of property "+r+" ("+a+") is invalid value for type "+i.type+".");this.addValidationError(o,s)}if(a)if(Array.isArray(a))for(var l=0,u=a;l<u.length;l++){var d=u[l];this.validateViewModel(d)}else a&&a instanceof Object&&this.validateViewModel(a)}}}},e.prototype.validateProperty=function(e,t,n,r){for(var o=0,a=r;o<a.length;o++){var i=a[o],s=this.rules[i.ruleName],l=new DotvvmValidationContext(n,e,i.parameters);if(!s.isValid(l,t)){ValidationError.getOrCreate(t);var u=new ValidationError(t,i.errorMessage);this.addValidationError(t,u)}}},e.prototype.mergeValidationRules=function(e){if(e.serverResponseObject.validationRules){var t=dotvvm.viewModels[e.viewModelName].validationRules;for(var n in void 0===t&&(dotvvm.viewModels[e.viewModelName].validationRules={},t=dotvvm.viewModels[e.viewModelName].validationRules),e.serverResponseObject.validationRules)e.serverResponseObject.validationRules.hasOwnProperty(n)&&(t[n]=e.serverResponseObject.validationRules[n])}},e.prototype.clearValidationErrors=function(e){if(e&&ko.isObservable(e)){if(e.validationErrors)for(var t=0,n=e.validationErrors();t<n.length;t++){n[t].clear(this)}var r=e();if(r){if(Array.isArray(r))for(var o=0,a=r;o<a.length;o++){var i=a[o];this.clearValidationErrors(i)}for(var s in r)if(r.hasOwnProperty(s)&&0!==s.indexOf("$")){var l=r[s];this.clearValidationErrors(l)}}}},e.prototype.getValidationErrors=function(e,t,n,r){if(void 0===r&&(r=!0),!e)return[];var o=[];if(n&&(o=o.concat(ValidationError.getOrCreate(e)())),r){var a=ko.unwrap(e);if(Array.isArray(a))for(var i=0,s=a;i<s.length;i++){var l=s[i];o=o.concat(this.getValidationErrors(l,t,!0,t))}else for(var u in a)if(a.hasOwnProperty(u)&&0!==u.indexOf("$")){var d=a[u];d&&ko.isObservable(d)&&(o=o.concat(this.getValidationErrors(d,t,!0,t)))}}return o},e.prototype.showValidationErrorsFromServer=function(e){var t=ko.contextFor(e.sender),n=dotvvm.evaluator.evaluateOnViewModel(t,e.postbackOptions.additionalPostbackData.validationTargetPath);if(n){this.clearValidationErrors(dotvvm.viewModelObservables[e.viewModelName]);for(var r=e.serverResponseObject.modelState,o=0;o<r.length;o++){var a,i=r[o].propertyPath;a=i?(ko.isObservable(n)&&(n=ko.unwrap(n)),dotvvm.evaluator.evaluateOnViewModel(n,i)):n;var s=new ValidationError(a,r[o].errorMessage);this.addValidationError(a,s)}}},e.prototype.addValidationError=function(e,t){ValidationError.getOrCreate(e).indexOf(t)<0&&(e.validationErrors.push(t),this.errors.push(t))},e}(),DotvvmEvaluator=function(){function DotvvmEvaluator(){}return DotvvmEvaluator.prototype.evaluateOnViewModel=function(context,expression){var result;return result=context&&context.$data?eval("(function ($context) { with($context) { with ($data) { return "+expression+"; } } })")(context):eval("(function ($context) { var $data=$context; with($context) { return "+expression+"; } })")(context),result&&result.$data&&(result=result.$data),result},DotvvmEvaluator.prototype.evaluateOnContext=function(e,t){var n=!1;for(var r in e)if(0===t.indexOf(r)){n=!0;break}return n||(t="$data."+t),this.evaluateOnViewModel(e,t)},DotvvmEvaluator.prototype.getDataSourceItems=function(e){var t=ko.unwrap(e);return void 0===t||null==t?[]:ko.unwrap(t.Items||t)},DotvvmEvaluator.prototype.tryEval=function(e){try{return e()}catch(e){return null}},DotvvmEvaluator.prototype.isObservableArray=function(e){return ko.isComputed(e)?Array.isArray(e.peek()):!!ko.isObservable(e)&&"push"in e},DotvvmEvaluator.prototype.wrapObservable=function(n,e){var r=this,t=ko.pureComputed({read:function(){return ko.unwrap(r.getExpressionResult(n))},write:function(e){return r.updateObservable(n,e)}});return e&&(t.push=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"push",e)},t.pop=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"pop",e)},t.unshift=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"unshift",e)},t.shift=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"shift",e)},t.reverse=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"reverse",e)},t.sort=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"sort",e)},t.splice=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"splice",e)},t.slice=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"slice",e)},t.replace=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"replace",e)},t.indexOf=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"indexOf",e)},t.remove=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"remove",e)},t.removeAll=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"removeAll",e)},t=t.extend({trackArrayChanges:!0})),t.extend({notify:"always"})},DotvvmEvaluator.prototype.updateObservable=function(e,t){var n=this.getExpressionResult(e);ko.isWriteableObservable(n)?n(t):console.error("Cannot write a value to ko.computed because the expression '"+e+"' does not return a writable observable.")},DotvvmEvaluator.prototype.updateObservableArray=function(e,t,n){var r=this.getExpressionResult(e);this.isObservableArray(r)?r[t].apply(r,n):console.error("Cannot execute '"+t+"' function on ko.computed because the expression '"+e+"' does not return an observable array.")},DotvvmEvaluator.prototype.getExpressionResult=function(e){var t=e();return ko.isComputed(t)&&"wrappedProperty"in t&&(t=t.wrappedProperty()),t},DotvvmEvaluator}(),DotvvmEventHub=function(){function e(){this.map={}}return e.prototype.notify=function(e){e in this.map?this.map[e].notifySubscribers():this.map[e]=ko.observable(0)},e.prototype.get=function(e){return this.map[e]||(this.map[e]=ko.observable(0))},e}();function basicAuthenticatedFetch(t,n){var r=sessionStorage.getItem("someAuth");return null!=r&&(null==n&&(n={}),null==n.headers&&(n.headers={}),null==n.headers.Authorization&&(n.headers.Authorization="Basic "+btoa(r))),null==n&&(n={}),n.cache||(n.cache="no-cache"),window.fetch(t,n).then(function(e){return 401===e.status&&null==r?(null==sessionStorage.getItem("someAuth")&&function(){var e=prompt("You credentials for "+(t.url||t))||"";sessionStorage.setItem("someAuth",e)}(),basicAuthenticatedFetch(t,n)):e})}!function(){var i={};DotVVM.prototype.invokeApiFn=function(n,e,o,t){void 0===e&&(e=[]),void 0===o&&(o=[]),void 0===t&&(t=n.toString());var a=i[t]||(i[t]=ko.observable(null)),r=ko.pureComputed(function(){return a()});return r.refreshValue=function(e){var t=a.promise;if(a.isLoading||(a.isLoading=!0,t=function(){try{return{type:"result",result:window.Promise.resolve(ko.ignoreDependencies(n)).then(function(e){e&&(a(ko.unwrap(dotvvm.serialization.deserialize(e,a))),a.notifySubscribers());for(var t=0,n=o;t<n.length;t++){var r=n[t];dotvvm.eventHub.notify(r)}return e},console.warn)}}catch(e){return console.warn(e),{type:"error",error:e}}}(),a.promise=t),"error"!=t.type)return t.result.then(function(e){return a.isLoading=!1},function(e){return a.isLoading=!1}),t.result;if(a.isLoading=!1,e)throw t.error},a.peek()||r.refreshValue(),ko.computed(function(){return e.map(function(e){return"string"==typeof e?dotvvm.eventHub.get(e)():e()})}).subscribe(function(e){return r.refreshValue()}),r},DotVVM.prototype.apiRefreshOn=function(e,t){return"function"!=typeof e.refreshValue&&console.error("The object is not refreshable"),t.subscribe(function(){"function"!=typeof e.refreshValue&&console.error("The object is not refreshable"),e.refreshValue&&e.refreshValue()}),e},DotVVM.prototype.api={},DotVVM.prototype.eventHub=new DotvvmEventHub}();
\ No newline at end of file
+var __assign=this&&this.__assign||Object.assign||function(e){for(var t,n=1,r=arguments.length;n<r;n++)for(var o in t=arguments[n])Object.prototype.hasOwnProperty.call(t,o)&&(e[o]=t[o]);return e},__extends=this&&this.__extends||function(){var r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n])};return function(e,t){function n(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(n.prototype=t.prototype,new n)}}();!function(){if("undefined"==typeof Promise||!self.fetch){var e=document.createElement("script");e.src=window.dotvvm__polyfillUrl,e.type="text/javascript",document.getElementsByTagName("head")[0].appendChild(e)}}();var DotvvmDomUtils=function(){function e(){}return e.prototype.onDocumentReady=function(e){/in/.test(document.readyState)?setTimeout("dotvvm.domUtils.onDocumentReady("+e+")",9):e()},e.prototype.attachEvent=function(e,t,n,r){void 0===r&&(r=!1),e.addEventListener?e.addEventListener(t,n,r):e.attachEvent("on"+t,n)},e}(),HistoryRecord=function(e,t){this.navigationType=e,this.url=t},DotvvmSpaHistory=function(){function e(){}return e.prototype.pushPage=function(e){history.pushState(new HistoryRecord("SPA",e),"",e)},e.prototype.replacePage=function(e){history.replaceState(new HistoryRecord("SPA",e),"",e)},e.prototype.isSpaPage=function(e){return e&&"SPA"==e.navigationType},e.prototype.getHistoryRecord=function(e){return e},e}(),DotvvmEvents=function(){this.init=new DotvvmEvent("dotvvm.events.init",!0),this.beforePostback=new DotvvmEvent("dotvvm.events.beforePostback"),this.afterPostback=new DotvvmEvent("dotvvm.events.afterPostback"),this.error=new DotvvmEvent("dotvvm.events.error"),this.spaNavigating=new DotvvmEvent("dotvvm.events.spaNavigating"),this.spaNavigated=new DotvvmEvent("dotvvm.events.spaNavigated"),this.redirect=new DotvvmEvent("dotvvm.events.redirect"),this.postbackHandlersStarted=new DotvvmEvent("dotvvm.events.postbackHandlersStarted"),this.postbackHandlersCompleted=new DotvvmEvent("dotvvm.events.postbackHandlersCompleted"),this.postbackResponseReceived=new DotvvmEvent("dotvvm.events.postbackResponseReceived"),this.postbackCommitInvoked=new DotvvmEvent("dotvvm.events.postbackCommitInvoked"),this.postbackViewModelUpdated=new DotvvmEvent("dotvvm.events.postbackViewModelUpdated"),this.postbackRejected=new DotvvmEvent("dotvvm.events.postbackRejected"),this.staticCommandMethodInvoking=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoking"),this.staticCommandMethodInvoked=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoked"),this.staticCommandMethodFailed=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoked")},DotvvmEventHandler=function(e,t){this.handler=e,this.isOneTime=t},DotvvmEvent=function(){function e(e,t){void 0===t&&(t=!1),this.name=e,this.triggerMissedEventsOnSubscribe=t,this.handlers=[],this.history=[]}return e.prototype.subscribe=function(e){if(this.handlers.push(new DotvvmEventHandler(e,!1)),this.triggerMissedEventsOnSubscribe)for(var t=0;t<this.history.length;t++)e(history[t])},e.prototype.subscribeOnce=function(e){this.handlers.push(new DotvvmEventHandler(e,!0))},e.prototype.unsubscribe=function(e){for(var t=0;t<this.handlers.length;t++)if(this.handlers[t].handler===e)return void this.handlers.splice(t,1)},e.prototype.trigger=function(e){for(var t=0;t<this.handlers.length;t++)this.handlers[t].handler(e),this.handlers[t].isOneTime&&(this.handlers.splice(t,1),t--);this.triggerMissedEventsOnSubscribe&&this.history.push(e)},e}(),DotvvmErrorEventArgs=function(e,t,n,r,o,i,a){void 0===i&&(i=void 0),void 0===a&&(a=!1),this.sender=e,this.viewModel=t,this.viewModelName=n,this.xhr=r,this.postbackClientId=o,this.serverResponseObject=i,this.isSpaNavigationError=a,this.handled=!1},DotvvmBeforePostBackEventArgs=function(e,t,n,r){this.sender=e,this.viewModel=t,this.viewModelName=n,this.postbackClientId=r,this.cancel=!1,this.clientValidationFailed=!1},DotvvmAfterPostBackEventArgs=function(){function e(e,t,n,r){void 0===n&&(n=null),this.postbackOptions=e,this.serverResponseObject=t,this.commandResult=n,this.xhr=r,this.isHandled=!1,this.wasInterrupted=!1}return Object.defineProperty(e.prototype,"postbackClientId",{get:function(){return this.postbackOptions.postbackId},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"viewModelName",{get:function(){return this.postbackOptions.viewModelName},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"viewModel",{get:function(){return this.postbackOptions.viewModel},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"sender",{get:function(){return this.postbackOptions.sender},enumerable:!0,configurable:!0}),e}(),DotvvmSpaNavigatingEventArgs=function(e,t,n){this.viewModel=e,this.viewModelName=t,this.newUrl=n,this.cancel=!1},DotvvmSpaNavigatedEventArgs=function(e,t,n,r){this.viewModel=e,this.viewModelName=t,this.serverResponseObject=n,this.xhr=r,this.isHandled=!1},DotvvmRedirectEventArgs=function(e,t,n,r){this.viewModel=e,this.viewModelName=t,this.url=n,this.replace=r,this.isHandled=!1},DotvvmFileUpload=function(){function e(){}return e.prototype.showUploadDialog=function(e){var t=this.getIframe(e);this.createUploadId(e,t),this.openUploadDialog(t)},e.prototype.getIframe=function(e){return e.parentElement.previousSibling},e.prototype.openUploadDialog=function(e){var t=e.contentWindow;t&&t.document.getElementById("upload").click()},e.prototype.createUploadId=function(e,t){t=t||this.getIframe(e);var n="DotVVM_upl"+(new Date).getTime().toString();e.parentElement.parentElement.setAttribute("data-dotvvm-upload-id",n),t.setAttribute("data-dotvvm-upload-id",n)},e.prototype.reportProgress=function(e,t,n,r){var o=document.querySelector("div[data-dotvvm-upload-id='"+e.value+"']"),i=ko.dataFor(o.firstChild);if("string"==typeof r)i.Error(r);else{i.Error("");for(var a=0;a<r.length;a++)i.Files.push(dotvvm.serialization.wrapObservable(dotvvm.serialization.deserialize(r[a])));(o.attributes["data-dotvvm-upload-completed"]||{value:null}).value&&new Function(o.attributes["data-dotvvm-upload-completed"].value).call(o)}i.Progress(n),i.IsBusy(t)},e}(),DotvvmFileUploadCollection=function(){this.Files=ko.observableArray(),this.Progress=ko.observable(0),this.Error=ko.observable(),this.IsBusy=ko.observable()},DotvvmFileUploadData=function(){this.FileId=ko.observable(),this.FileName=ko.observable(),this.FileSize=ko.observable(),this.IsFileTypeAllowed=ko.observable(),this.IsMaxSizeExceeded=ko.observable(),this.IsAllowed=ko.observable()},DotvvmFileSize=function(){this.Bytes=ko.observable(),this.FormattedText=ko.observable()},DotvvmGlobalize=function(){function e(){}return e.prototype.getGlobalize=function(){var e=window.dotvvm_Globalize;if(!e)throw new Error("Resource 'globalize' is not included (symbol 'dotvvm_Globalize' could not be found).\nIt is usually included automatically when needed, but sometime it's not possible, so you will have to include it in your page using '<dot:RequiredResource Name=\"globalize\" />'");return e},e.prototype.format=function(e){for(var o=this,i=[],t=1;t<arguments.length;t++)i[t-1]=arguments[t];return e.replace(/\{([1-9]?[0-9]+)(:[^}]+)?\}/g,function(e,t,n){var r=i[parseInt(t)];return n?o.formatString(n,r):r})},e.prototype.formatString=function(e,t){if(null==(t=ko.unwrap(t))||""===t)return"";if("string"==typeof t&&null==(t=this.parseDotvvmDate(t)))throw new Error("Could not parse "+t+" as a date");return""!==e&&null!==e||(e="G"),this.getGlobalize().format(t,e,dotvvm.culture)},e.prototype.parseDotvvmDate=function(e){var t=e.match("^([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})(\\.[0-9]{3,7})$");return t?new Date(parseInt(t[1]),parseInt(t[2])-1,parseInt(t[3]),parseInt(t[4]),parseInt(t[5]),parseInt(t[6]),7<t.length?parseInt(t[7].substring(1,4)):0):null},e.prototype.parseNumber=function(e){return this.getGlobalize().parseFloat(e,10,dotvvm.culture)},e.prototype.parseDate=function(e,t,n){return this.getGlobalize().parseDate(e,t,dotvvm.culture,n)},e.prototype.bindingDateToString=function(t,n){var r=this;if(void 0===n&&(n="G"),!t)return"";function o(){var e=ko.unwrap(t);return"string"==typeof e?r.parseDotvvmDate(e):e}function e(){var e=o();return null!=e?r.getGlobalize().format(e,n,dotvvm.culture):""}if(ko.isWriteableObservable(t)){var i="string"==typeof o()?function(e){return t(null==e?null:dotvvm.serialization.serializeDate(e,!1))}:t;return ko.pureComputed({read:function(){return e()},write:function(e){return i(r.getGlobalize().parseDate(e,n,dotvvm.culture))}})}return ko.pureComputed(function(){return e()})},e.prototype.bindingNumberToString=function(r,t){var o=this;if(void 0===t&&(t="G"),null==r)return"";function e(){var e=function(){var e=ko.unwrap(r);return"string"==typeof e?o.parseNumber(e):e}();return null!=e?o.getGlobalize().format(e,t,dotvvm.culture):""}return ko.isWriteableObservable(r)?ko.pureComputed({read:function(){return e()},write:function(e){var t=o.getGlobalize().parseFloat(e,10,dotvvm.culture),n=null==e||null!=t&&!isNaN(t);r(n?t:null)}}):ko.pureComputed(function(){return e()})},e}(),PostbackOptions=function(e,t,n,r,o){void 0===n&&(n=[]),this.postbackId=e,this.sender=t,this.args=n,this.viewModel=r,this.viewModelName=o,this.additionalPostbackData={}},ConfirmPostBackHandler=function(){function e(e){this.message=e}return e.prototype.execute=function(n,e){var r=this;return new Promise(function(e,t){confirm(r.message)?n().then(e,t):t({type:"handler",handler:r,message:"The postback was not confirmed"})})},e}(),SuppressPostBackHandler=function(){function e(e){this.suppress=e}return e.prototype.execute=function(n,e){var r=this;return new Promise(function(e,t){r.suppress?t({type:"handler",handler:r,message:"The postback was suppressed"}):n().then(e,t)})},e}(),DotvvmSerialization=function(){function e(){}return e.prototype.deserialize=function(e,t,n){if(void 0===n&&(n=!1),void 0===e||null==e)return ko.isObservable(t)?(t(e),t):e;if("string"==typeof e||"number"==typeof e||"boolean"==typeof e)return ko.isObservable(t)?(t(e),t):e;if(e instanceof Date)return e=dotvvm.serialization.serializeDate(e),ko.isObservable(t)?(t(e),t):e;if(e instanceof Array){if(ko.isObservable(t)&&"removeAll"in t&&null!=t()&&t().length===e.length)for(var r=t(),o=0;o<e.length;o++){var i=r[o]();i!==(c=this.deserialize(e[o],i,n))&&r[o](c)}else{var a=[];for(o=0;o<e.length;o++)a.push(this.wrapObservable(this.deserialize(e[o],{},n)));ko.isObservable(t)?("removeAll"in t||(ko.utils.extend(t,ko.observableArray.fn),t=t.extend({trackArrayChanges:!0})),t(a)):t=ko.observableArray(a)}return t}void 0===t&&(t={});var s=ko.unwrap(t),l=!1;for(var d in null==s&&(s={},ko.isObservable(t)?l=!0:t=s),e)if(e.hasOwnProperty(d)&&!/\$options$/.test(d)){var u=e[d];if(void 0===u)continue;if(!ko.isObservable(u)&&"function"==typeof u)continue;var v=e[d+"$options"];if(!n&&v&&v.doNotUpdate)continue;var c=ko.isObservable(u)?u:this.deserialize(u,s[d],n);if(u instanceof Date&&(s[d+"$options"]=s[d+"$options"]||{},s[d+"$options"].isDate=!0),ko.isObservable(c))if(ko.isObservable(s[d]))c()!==s[d]()&&s[d](c());else{var p=ko.unwrap(c);s[d]=Array.isArray(p)?ko.observableArray(p):ko.observable(p)}else ko.isObservable(s[d])?c!==s[d]()&&s[d](c):s[d]=ko.observable(c);if(v&&v.clientExtenders&&ko.isObservable(s[d]))for(var f=0;f<v.clientExtenders.length;f++){var h={},m=v.clientExtenders[f];h[m.name]=m.parameter,s[d].extend(h)}}for(var d in e)if(e.hasOwnProperty(d)&&/\$options$/.test(d)){for(var b in s[d]=s[d]||{},e[d])e[d].hasOwnProperty(b)&&(s[d][b]=e[d][b]);var g=d.substring(0,d.length-"$options".length);void 0===s[g]&&(s[g]=ko.observable())}return l&&t(s),t},e.prototype.wrapObservable=function(e){return ko.isObservable(e)?e:ko.observable(e)},e.prototype.serialize=function(e,t){if(void 0===t&&(t={}),(t=ko.utils.extend({},t)).pathOnly&&t.path&&0===t.path.length&&(t.pathOnly=!1),null==e)return null;if("string"==typeof e||"number"==typeof e||"boolean"==typeof e)return e;if(ko.isObservable(e))return this.serialize(e(),t);if("function"==typeof e)return null;if(e instanceof Array){if(t.pathOnly&&t.path){var n=parseInt(t.path.pop());return(r=new Array(n+1))[n]=this.serialize(e[n],t),t.path.push(n.toString()),r}for(var r=[],o=0;o<e.length;o++)r.push(this.serialize(e[o],t));return r}if(e instanceof Date)return t.restApiTarget?e:this.serializeDate(e);var i=t.path&&t.path.pop(),a={};for(var s in e)if(e.hasOwnProperty(s)){if(t.pathOnly&&s!==i)continue;var l=e[s];if(t.ignoreSpecialProperties&&"$"===s[0])continue;if(!t.serializeAll&&(/\$options$/.test(s)||"$validationErrors"===s))continue;if(void 0===l)continue;if(!ko.isObservable(l)&&"function"==typeof l)continue;var d=e[s+"$options"];if(!t.serializeAll&&d&&d.doNotPost);else if(t.oneLevel)a[s]=ko.unwrap(l);else if(!t.serializeAll&&d&&d.pathOnly&&t.pathMatcher){var u=d.pathOnly;u instanceof Array||(u=t.path||this.findObject(l,t.pathMatcher)),u&&(0===u.length?a[s]=this.serialize(l,t):a[s]=this.serialize(l,{ignoreSpecialProperties:t.ignoreSpecialProperties,serializeAll:t.serializeAll,path:u,pathOnly:!0}))}else a[s]=this.serialize(l,t);d&&d.type&&!this.validateType(a[s],d.type)&&(delete a[s],d.wasInvalid=!0)}return i&&t.path&&t.path.push(i),a},e.prototype.validateType=function(e,t){var n="?"===t[t.length-1];if(n&&(t=t.substr(0,t.length-1)),n&&(null==e||""==e))return!0;if(!n&&null==e)return!1;var r=/(u?)int(\d*)/.exec(t);if(r){if(!/^-?\d*$/.test(e))return!1;var o="u"===r[1],i=parseInt(r[2]),a=0,s=Math.pow(2,i)-1;o||(s+=a=-Math.floor(s/2));var l=parseInt(e);return a<=l&&l<=s&&l===parseFloat(e)}return"number"!==t&&"single"!==t&&"double"!==t&&"decimal"!==t||(+e===e||!isNaN(+e)&&"string"==typeof e)},e.prototype.findObject=function(e,t){if(t(e))return[];if(t(e=ko.unwrap(e)))return[];if("object"!=typeof e)return null;for(var n in e)if(e.hasOwnProperty(n)){var r=this.findObject(e[n],t);if(r)return r.push(n),r}return null},e.prototype.flatSerialize=function(e){return this.serialize(e,{ignoreSpecialProperties:!0,oneLevel:!0,serializeAll:!0})},e.prototype.getPureObject=function(e){if((e=ko.unwrap(e))instanceof Array)return e.map(this.getPureObject.bind(this));var t={};for(var n in e)"$"!=n[0]&&(t[n]=e[n]);return t},e.prototype.pad=function(e,t){for(;e.length<t;)e="0"+e;return e},e.prototype.serializeDate=function(e,t){if(void 0===t&&(t=!0),null==e)return null;if("string"==typeof e)return null==dotvvm.globalize.parseDotvvmDate(e)&&console.error(new Error("Date "+e+" is invalid.")),e;var n=new Date(e.getTime());return t?n.setMinutes(e.getMinutes()+e.getTimezoneOffset()):n=e,this.pad(n.getFullYear().toString(),4)+"-"+this.pad((n.getMonth()+1).toString(),2)+"-"+this.pad(n.getDate().toString(),2)+"T"+this.pad(n.getHours().toString(),2)+":"+this.pad(n.getMinutes().toString(),2)+":"+this.pad(n.getSeconds().toString(),2)+"."+this.pad(n.getMilliseconds().toString(),3)+"0000"},e}();document.getElementByDotvvmId=function(e){return document.querySelector("[data-dotvvm-id='"+e+"']")};var DotVVM=function(){function e(){var r,i=this;this.postBackCounter=0,this.lastStartedPostack=0,this.resourceSigns={},this.isViewModelUpdating=!0,this.spaHistory=new DotvvmSpaHistory,this.viewModelObservables={},this.isSpaReady=ko.observable(!1),this.viewModels={},this.serialization=new DotvvmSerialization,this.postbackHandlers={confirm:function(e){return new ConfirmPostBackHandler(e.message)},suppress:function(e){return new SuppressPostBackHandler(e.suppress)},timeout:function(e){return e.time?i.createWindowSetTimeoutHandler(e.time):i.windowSetTimeoutHandler},"concurrency-default":function(n){return{name:"concurrency-default",before:["setIsPostbackRunning"],execute:function(e,t){return i.commonConcurrencyHandler(e(),t,n.q||"default")}}},"concurrency-deny":function(r){return{name:"concurrency-deny",before:["setIsPostbackRunning"],execute:function(e,t){var n=r.q||"default";return 0<dotvvm.getPostbackQueue(n).noRunning?Promise.reject({type:"handler",handler:this,message:"An postback is already running"}):dotvvm.commonConcurrencyHandler(e(),t,n)}}},"concurrency-queue":function(o){return{name:"concurrency-queue",before:["setIsPostbackRunning"],execute:function(e,t){function n(){return dotvvm.commonConcurrencyHandler(e(),t,r)}var r=o.q||"default";return 0<dotvvm.getPostbackQueue(r).noRunning?new Promise(function(e){dotvvm.getPostbackQueue(r).queue.push(function(){return e(n())})}):n()}}},suppressOnUpdating:function(e){return{name:"suppressOnUpdating",before:["setIsPostbackRunning","concurrency-default","concurrency-queue","concurrency-deny"],execute:function(e,t){return dotvvm.isViewModelUpdating?Promise.reject({type:"handler",handler:this,message:"ViewModel is updating, so it's probably false onchange event"}):e()}}}},this.suppressOnDisabledElementHandler={name:"suppressOnDisabledElement",before:["setIsPostbackRunning","concurrency-default","concurrency-queue","concurrency-deny"],execute:function(e,t){return t.sender&&dotvvm.isPostBackProhibited(t.sender)?Promise.reject({type:"handler",handler:i,message:"PostBack is prohitibited on disabled element"}):e()}},this.beforePostbackEventPostbackHandler={execute:function(e,t){var n=new DotvvmBeforePostBackEventArgs(t.sender,t.viewModel,t.viewModelName,t.postbackId);return i.events.beforePostback.trigger(n),n.cancel?Promise.reject({type:"event",options:t}):e()}},this.isPostBackRunningHandler=(r=0,{name:"setIsPostbackRunning",before:["eventInvoke-postbackHandlersStarted"],execute:function(e,t){i.isPostbackRunning(!0),r++;var n=e();return n.then(function(){return i.isPostbackRunning(!!--r)},function(){return i.isPostbackRunning(!!--r)}),n}}),this.windowSetTimeoutHandler=this.createWindowSetTimeoutHandler(0),this.commonConcurrencyHandler=function(e,n,t){var r=i.getPostbackQueue(t);r.noRunning++;function o(){if(r.noRunning--,0<r.queue.length){var e=r.queue.shift();window.setTimeout(e,0)}}return e.then(function(e){var t=i.lastStartedPostack==n.postbackId?e:function(){return Promise.reject(null)};return function(){var e=t();return e.then(o,o),e}},function(e){return o(),Promise.reject(e)})},this.defaultConcurrencyPostbackHandler=this.postbackHandlers["concurrency-default"]({}),this.postbackQueues={},this.postbackHandlersStartedEventHandler={name:"eventInvoke-postbackHandlersStarted",execute:function(e,t){return dotvvm.events.postbackHandlersStarted.trigger(t),e()}},this.postbackHandlersCompletedEventHandler={name:"eventInvoke-postbackHandlersCompleted",after:["eventInvoke-postbackHandlersStarted"],execute:function(e,t){return dotvvm.events.postbackHandlersCompleted.trigger(t),e()}},this.globalPostbackHandlers=[this.suppressOnDisabledElementHandler,this.isPostBackRunningHandler,this.postbackHandlersStartedEventHandler],this.globalLaterPostbackHandlers=[this.postbackHandlersCompletedEventHandler,this.beforePostbackEventPostbackHandler],this.events=new DotvvmEvents,this.globalize=new DotvvmGlobalize,this.evaluator=new DotvvmEvaluator,this.domUtils=new DotvvmDomUtils,this.fileUpload=new DotvvmFileUpload,this.extensions={},this.isPostbackRunning=ko.observable(!1),this.useHistoryApiViewModel=history&&(/Chrome/.test(navigator.userAgent)&&/Google Inc/.test(navigator.vendor)||/Edge/.test(navigator.userAgent))}return e.prototype.createWindowSetTimeoutHandler=function(n){return{name:"timeout",before:["eventInvoke-postbackHandlersStarted","setIsPostbackRunning"],execute:function(e,t){return new Promise(function(e,t){return window.setTimeout(e,n)}).then(function(){return e()})}}},e.prototype.getPostbackQueue=function(e){return void 0===e&&(e="default"),this.postbackQueues[e]||(this.postbackQueues[e]={queue:[],noRunning:0}),this.postbackQueues[e]},e.prototype.isBrowserReload=function(){if(performance){if(performance.getEntriesByType){var e=performance.getEntriesByType("navigation");if(0<e.length)return"reload"===e[0].type}if(performance.navigation)return 1===performance.navigation.type}return!1},e.prototype.init=function(t,e){var n,r=this;if(this.addKnockoutBindingHandlers(),n=this.useHistoryApiViewModel&&!this.isBrowserReload()&&history.state&&history.state.dotvvm_viewmodels&&history.state.dotvvm_viewmodels[t]?__assign({},history.state.dotvvm_viewmodels[t]):JSON.parse(document.getElementById("__dot_viewmodel_"+t).value),(this.viewModels[t]=n).resources)for(var o in n.resources)this.resourceSigns[o]=!0;n.renderedResources&&n.renderedResources.forEach(function(e){return r.resourceSigns[e]=!0});var i=n.resultIdFragment,a=n.viewModel=this.serialization.deserialize(this.viewModels[t].viewModel,{},!0);this.culture=e,this.validation=new DotvvmValidation(this),this.viewModelObservables[t]=ko.observable(a),ko.applyBindings(this.viewModelObservables[t],document.documentElement),this.events.init.trigger({viewModel:a});var s=this.getSpaPlaceHolder();if(null!=s){var l=function(e){return r.handleHashChange(t,s,e)};this.useHistoryApiSpaNavigation=JSON.parse(s.getAttribute("data-dotvvm-spacontentplaceholder-usehistoryapi")),this.useHistoryApiSpaNavigation&&(l=function(e){return r.handleHashChangeWithHistory(t,s,e)});this.domUtils.attachEvent(window,"hashchange",function(){return l(!1)}),l(!0)}if(window.addEventListener("popstate",function(e){return r.handlePopState(t,e,null!=s)}),this.isViewModelUpdating=!1,i)if(s){var d=document.getElementById(i);d&&"function"==typeof d.scrollIntoView&&d.scrollIntoView(!0)}else location.hash=i;this.domUtils.attachEvent(window,"beforeunload",function(e){r.persistViewModel(t)})},e.prototype.handlePopState=function(e,t,n){if(this.spaHistory.isSpaPage(t.state)){var r=this.spaHistory.getHistoryRecord(t.state);n?this.navigateCore(e,r.url):this.performRedirect(r.url,!0),t.preventDefault()}},e.prototype.handleHashChangeWithHistory=function(e,t,n){var r=this;if(0===document.location.hash.indexOf("#!/"))this.navigateCore(e,document.location.hash.substring(2),function(e){r.spaHistory.replacePage(e)});else{var o=t.getAttribute("data-dotvvm-spacontentplaceholder-defaultroute");if(!t.hasAttribute("data-dotvvm-spacontentplaceholder-content")&&o)this.navigateCore(e,"/"+o,function(e){return r.spaHistory.replacePage(e)});else{this.isSpaReady(!0),t.style.display="";var i=location.pathname+location.search+location.hash;this.spaHistory.replacePage(i)}}},e.prototype.handleHashChange=function(e,t,n){if(0===document.location.hash.indexOf("#!/"))this.navigateCore(e,document.location.hash.substring(2));else{var r=t.getAttribute("data-dotvvm-spacontentplaceholder-defaultroute");if(r)r="#!/"+r,r=this.fixSpaUrlPrefix(r),this.performRedirect(r,n);else if(n)this.isSpaReady(!0),t.style.display="";else{var o=(r=document.location.toString()).indexOf("/","https://".length);r=0<o?r.substring(o):"/",this.navigateCore(e,r)}}},e.prototype.persistViewModel=function(e){var t=this.viewModels[e];if(this.useHistoryApiViewModel){var n=history.state?history.state:{},r=n.dotvvm_viewmodels?n.dotvvm_viewmodels:{},o=__assign({dotvvm_viewmodels:__assign((i={},i[e]=ko.toJS(t),i),r)},n);console.log(JSON.stringify(o)),history.replaceState(o,document.title)}var i,a={};for(var s in t)t.hasOwnProperty(s)&&(a[s]=t[s]);a.viewModel=this.serialization.serialize(a.viewModel,{serializeAll:!0}),document.getElementById("__dot_viewmodel_"+e).value=JSON.stringify(a)},e.prototype.backUpPostBackConter=function(){return++this.postBackCounter},e.prototype.isPostBackStillActive=function(e){return this.postBackCounter===e},e.prototype.staticCommandPostback=function(t,n,e,r,o,i){var a=this;void 0===o&&(o=function(e){}),void 0===i&&(i=function(e,t){});var s=this.serialization.serialize({args:r,command:e,$csrfToken:this.viewModels[t].viewModel.$csrfToken});dotvvm.events.staticCommandMethodInvoking.trigger(s),this.postJSON(this.viewModels[t].url,"POST",ko.toJSON(s),function(t){try{a.isViewModelUpdating=!0;var e=JSON.parse(t.responseText);dotvvm.events.staticCommandMethodInvoked.trigger(__assign({},s,{result:e,xhr:t})),o(e)}catch(e){dotvvm.events.staticCommandMethodFailed.trigger(__assign({},s,{xhr:t,error:e})),i(t,e)}finally{a.isViewModelUpdating=!1}},function(e){a.events.error.trigger(new DotvvmErrorEventArgs(n,a.viewModels[t].viewModel,t,e,null)),console.warn("StaticCommand postback failed: "+e.status+" - "+e.statusText,e),i(e),dotvvm.events.staticCommandMethodFailed.trigger(__assign({},s,{xhr:e}))},function(e){e.setRequestHeader("X-PostbackType","StaticCommand")})},e.prototype.processPassedId=function(e,t){if("string"==typeof e||null==e)return e;if("object"==typeof e&&e.expr)return this.evaluator.evaluateOnViewModel(t,e.expr);throw new Error("invalid argument")},e.prototype.getPostbackHandler=function(e){var t=this.postbackHandlers[e];if(t)return t;throw new Error("Could not find postback handler of name '"+e+"'")},e.prototype.isPostbackHandler=function(e){return e&&"function"==typeof e.execute},e.prototype.findPostbackHandlers=function(r,e){function o(e,t){return!1===t.enabled?null:i.getPostbackHandler(e)(t)}var i=this;return e.map(function(e){return"string"==typeof e?o(e,{}):i.isPostbackHandler(e)?e:e instanceof Array?(t=e[0],n=e[1],o(t,"function"==typeof n?n(r,r.$data):n)):o(e.name,e.options&&e.options(r));var t,n}).filter(function(e){return null!=e})},e.prototype.sortHandlers=function(o){for(var n=function(){for(var t={},e=0,n=o;e<n.length;e++){var r=n[e];null!=r.name&&(t[r.name]=r)}return function(e){return"string"==typeof e?t[e]:e}}(),a=o.map(function(e,t){return e["@sort_index"]=t,{handler:e,deps:(e.after||[]).map(n)}}),e=0,t=o;e<t.length;e++){var r=t[e];if(r.before)for(var i=0,s=r.before.map(n);i<s.length;i++){var l=s[i];if(l){var d=l["@sort_index"];a[d].deps.push(r)}}}for(var u=[],v=new Uint8Array(a.length),c=function(e){switch(v[e]){case 0:break;case 1:throw new Error("Cyclic PostbackHandler dependency found.");case 2:return;default:throw new Error("")}if(1!=v[e]){v[e]=1;for(var t=a[e],n=t.handler,r=0,o=t.deps;r<o.length;r++){var i=o[r];c(i["@sort_index"])}v[e]=2,u.push(n)}},p=0;p<a.length;p++)c(p);return u},e.prototype.applyPostbackHandlersCore=function(e,r,t){function n(e){return"function"==typeof e?e:function(){return Promise.resolve(new DotvvmAfterPostBackEventArgs(r,null,e))}}return null==t||0===t.length?e(r).then(n,function(e){return Promise.reject(e)}):this.sortHandlers(t).reduceRight(function(e,t,n){return function(){return t.execute(e,r)}},function(){return e(r).then(n,function(e){return Promise.reject(e)})})()},e.prototype.applyPostbackHandlers=function(e,t,n,r,o,i,a){void 0===r&&(r=[]),void 0===o&&(o=ko.contextFor(t)),void 0===i&&(i=o.$root);var s=new PostbackOptions(this.backUpPostBackConter(),t,r,i,a),l=this.applyPostbackHandlersCore(e,s,this.findPostbackHandlers(o,this.globalPostbackHandlers.concat(n||[]).concat(this.globalLaterPostbackHandlers))).then(function(e){return e()},function(e){return Promise.reject(e)});return l.catch(function(e){e&&console.log("Rejected: "+e)}),l},e.prototype.postbackCore=function(v,r,o,i,a,s){var c=this;return new Promise(function(e,t){var d=v.viewModelName,u=c.viewModels[d].viewModel;c.lastStartedPostack=v.postbackId,c.updateDynamicPathFragments(a,r);var n={viewModel:c.serialization.serialize(u,{pathMatcher:function(e){return a&&e==a.$data}}),currentPath:r,command:o,controlUniqueId:c.processPassedId(i,a),additionalData:v.additionalPostbackData,renderedResources:c.viewModels[d].renderedResources,commandArgs:s};c.postJSON(c.viewModels[d].url,"POST",ko.toJSON(n),function(l){dotvvm.events.postbackResponseReceived.trigger({}),e(function(){return new Promise(function(i,a){dotvvm.events.postbackCommitInvoked.trigger({});var e=l.getResponseHeader("Location"),s=null!=e&&0<e.length?{action:"redirect",url:e}:JSON.parse(l.responseText);!s.viewModel&&s.viewModelDiff&&(s.viewModel=c.patch(n.viewModel,s.viewModelDiff)),c.loadResourceList(s.resources,function(){var e=!1;if("successfulCommand"===s.action){try{c.isViewModelUpdating=!0;var t=c.cleanUpdatedControls(s);s.viewModel&&(ko.delaySync.pause(),c.serialization.deserialize(s.viewModel,c.viewModels[d].viewModel),ko.delaySync.resume()),e=!0,c.cleanUpdatedControls(s,t),c.restoreUpdatedControls(s,t,!0)}finally{c.isViewModelUpdating=!1}dotvvm.events.postbackViewModelUpdated.trigger({})}else if("redirect"===s.action)return c.handleRedirect(s,d),i();var n=s.resultIdFragment;if(n)if(c.getSpaPlaceHolder()||location.hash=="#"+n){var r=document.getElementById(n);r&&"function"==typeof r.scrollIntoView&&r.scrollIntoView(!0)}else location.hash=n;if(e){var o=new DotvvmAfterPostBackEventArgs(v,s,s.commandResult,l);i(o)}else a(new DotvvmErrorEventArgs(v.sender,u,d,l,v.postbackId,s))})})})},function(e){t({type:"network",options:v,args:new DotvvmErrorEventArgs(v.sender,u,d,e,v.postbackId)})})})},e.prototype.handleSpaNavigation=function(e){return"_blank"==e.getAttribute("target")||this.handleSpaNavigationCore(e.getAttribute("href"))},e.prototype.handleSpaNavigationCore=function(e){var t=this;if(e&&0===e.indexOf("/")){return e=this.removeVirtualDirectoryFromUrl(e,"root"),this.navigateCore("root",e,function(e){history.state&&history.state.url==e||t.spaHistory.pushPage(e)}),!1}return!0},e.prototype.postBack=function(e,t,n,r,o,i,a,s){var l=this;i=i||ko.contextFor(t);var d=this.findPostbackHandlers(i,this.globalPostbackHandlers.concat(a||[]).concat(this.globalLaterPostbackHandlers));0==d.filter(function(e){return e.name&&0==e.name.indexOf("concurrency-")}).length&&d.push(this.defaultConcurrencyPostbackHandler);var u=new PostbackOptions(this.backUpPostBackConter(),t,s,i.$data,e),v=this.applyPostbackHandlersCore(function(e){return l.postbackCore(e,n,r,o,i,s)},u,d).then(function(e){return e().then(function(e){return e},function(e){return Promise.reject({type:"commit",args:e})})},function(e){return Promise.reject(e)});return v.then(function(e){return e&&l.events.afterPostback.trigger(e)},function(e){var t=new DotvvmAfterPostBackEventArgs(u,"commit"==e.type&&e.args?e.args.serverResponseObject:null,u.postbackId);"handler"==e.type||"event"==e.type?(t.wasInterrupted=!0,l.events.postbackRejected.trigger({})):"network"==e.type&&l.events.error.trigger(e.args),l.events.afterPostback.trigger(t)}),v},e.prototype.loadResourceList=function(e,t){var n="";for(var r in e){if(!/^__noname_\d+$/.test(r)){if(this.resourceSigns[r])continue;this.resourceSigns[r]=!0}n+=e[r]+" "}if(""!==n.trim()){var o=document.createElement("div");o.innerHTML=n;for(var i=[],a=0;a<o.children.length;a++)i.push(o.children.item(a));this.loadResourceElements(i,0,t)}else setTimeout(t,4)},e.prototype.loadResourceElements=function(e,t,n){var r=this;if(t>=e.length)n();else{var o=e[t],i=!1;if("script"==o.tagName.toLowerCase()){var a=document.createElement("script");o.src&&(a.src=o.src,i=!0),o.type&&(a.type=o.type),o.text&&(a.text=o.text),o=a}else if("link"==o.tagName.toLowerCase()){var s=document.createElement("link");o.href&&(s.href=o.href),o.rel&&(s.rel=o.rel),o.type&&(s.type=o.type),o=s}i&&(o.onload=function(){return r.loadResourceElements(e,t+1,n)}),document.head.appendChild(o),i||this.loadResourceElements(e,t+1,n)}},e.prototype.getSpaPlaceHolder=function(){var e=document.getElementsByName("__dot_SpaContentPlaceHolder");return 1==e.length?e[0]:null},e.prototype.navigateCore=function(a,e,t){var s=this,n=this.viewModels[a].viewModel,r=this.backUpPostBackConter(),o=new DotvvmSpaNavigatingEventArgs(n,a,e);if(this.events.spaNavigating.trigger(o),!o.cancel){var i=this.viewModels[a].virtualDirectory||"",l="/___dotvvm-spa___"+this.addLeadingSlash(e),d=this.addLeadingSlash(this.concatUrl(i,l)),u=this.getSpaPlaceHolder();if(u){t&&t(this.addLeadingSlash(this.concatUrl(i,this.addLeadingSlash(e))));var v=u.attributes["data-dotvvm-spacontentplaceholder"].value;this.getJSON(d,"GET",v,function(o){if(s.isPostBackStillActive(r)){var i=JSON.parse(o.responseText);s.loadResourceList(i.resources,function(){var e=!1;if("successfulCommand"!==i.action&&i.action){if("redirect"===i.action)return void s.handleRedirect(i,a,!0)}else try{s.isViewModelUpdating=!0;var t=s.cleanUpdatedControls(i);for(var n in s.viewModels[a]={},i)i.hasOwnProperty(n)&&(s.viewModels[a][n]=i[n]);ko.delaySync.pause(),s.serialization.deserialize(i.viewModel,s.viewModels[a].viewModel),ko.delaySync.resume(),e=!0,s.viewModelObservables[a](s.viewModels[a].viewModel),s.restoreUpdatedControls(i,t,!0),s.isSpaReady(!0)}finally{s.isViewModelUpdating=!1}var r=new DotvvmSpaNavigatedEventArgs(s.viewModels[a].viewModel,a,i,o);if(s.events.spaNavigated.trigger(r),!e&&!r.isHandled)throw"Invalid response from server!"})}},function(e){if(s.isPostBackStillActive(r)){var t=new DotvvmErrorEventArgs(void 0,n,a,e,-1,void 0,!0);s.events.error.trigger(t),t.handled||alert(e.responseText)}})}else document.location.href=d}},e.prototype.handleRedirect=function(e,t,n){var r;void 0===n&&(n=!1),null!=e.replace&&(n=e.replace),r=this.getSpaPlaceHolder()&&!this.useHistoryApiSpaNavigation&&e.url.indexOf("//")<0&&e.allowSpa?("#!"===(r="#!"+this.removeVirtualDirectoryFromUrl(e.url,t))&&(r="#!/"),this.fixSpaUrlPrefix(r)):e.url;var o=new DotvvmRedirectEventArgs(dotvvm.viewModels[t],t,r,n);this.events.redirect.trigger(o),this.performRedirect(r,n,e.allowSpa&&this.useHistoryApiSpaNavigation)},e.prototype.performRedirect=function(e,t,n){if(t)location.replace(e);else if(n)this.handleSpaNavigationCore(e);else{var r=this.fakeRedirectAnchor;r||((r=document.createElement("a")).style.display="none",r.setAttribute("data-dotvvm-fake-id","dotvvm_fake_redirect_anchor_87D7145D_8EA8_47BA_9941_82B75EE88CDB"),document.body.appendChild(r),this.fakeRedirectAnchor=r),r.href=e,r.click()}},e.prototype.fixSpaUrlPrefix=function(e){var t=this.getSpaPlaceHolder().attributes["data-dotvvm-spacontentplaceholder-urlprefix"];if(!t)return e;var n=t.value;return n!==document.location.pathname&&(""===n&&(n="/"),e=n+e),e},e.prototype.removeVirtualDirectoryFromUrl=function(e,t){var n="/"+this.viewModels[t].virtualDirectory;return 0==e.indexOf(n)?this.addLeadingSlash(e.substring(n.length)):e},e.prototype.addLeadingSlash=function(e){return 0<e.length&&"/"!=e.substring(0,1)?"/"+e:e},e.prototype.concatUrl=function(e,t){return 0<e.length&&"/"==e.substring(e.length-1)&&(e=e.substring(0,e.length-1)),e+this.addLeadingSlash(t)},e.prototype.patch=function(n,e){var r=this;if(n instanceof Array&&e instanceof Array)return e.map(function(e,t){return r.patch(n[t],e)});if(n instanceof Array||e instanceof Array)return e;if("object"!=typeof n||"object"!=typeof e||!n||!e)return e;for(var t in e)null==e[t]?n[t]=null:null==n[t]?n[t]=e[t]:n[t]=this.patch(n[t],e[t]);return n},e.prototype.updateDynamicPathFragments=function(e,t){for(var n=t.length-1;0<=n;n--)0<=t[n].indexOf("[$index]")&&(t[n]=t[n].replace("[$index]","["+e.$index()+"]")),0<=t[n].indexOf("[$indexPath]")&&(t[n]=t[n].replace("[$indexPath]","["+e.$indexPath.map(function(e){return e()}).join("]/[")+"]")),e=e.$parentContext},e.prototype.postJSON=function(e,t,n,r,o,i){void 0===i&&(i=function(e){});var a=this.getXHR();a.open(t,e,!0),a.setRequestHeader("Content-Type","application/json"),a.setRequestHeader("X-DotVVM-PostBack","true"),a.setRequestHeader("X-Requested-With","XMLHttpRequest"),i(a),a.onreadystatechange=function(){a.readyState===XMLHttpRequest.DONE&&(a.status<400?r(a):o(a))},a.send(n)},e.prototype.getJSON=function(e,t,n,r,o){var i=this.getXHR();i.open(t,e,!0),i.setRequestHeader("Content-Type","application/json"),i.setRequestHeader("X-DotVVM-SpaContentPlaceHolder",n),i.onreadystatechange=function(){i.readyState===XMLHttpRequest.DONE&&(i.status<400?r(i):o(i))},i.send()},e.prototype.getXHR=function(){return XMLHttpRequest?new XMLHttpRequest:new window.ActiveXObject("Microsoft.XMLHTTP")},e.prototype.cleanUpdatedControls=function(e,t){for(var n in void 0===t&&(t={}),e.updatedControls)if(e.updatedControls.hasOwnProperty(n)){var r=document.getElementByDotvvmId(n);if(r){var o=ko.contextFor(r),i=r.nextSibling,a=r.parentNode;ko.removeNode(r),t[n]={control:r,nextSibling:i,parent:a,dataContext:o}}}return t},e.prototype.restoreUpdatedControls=function(n,r,e){var o=this;for(var t in n.updatedControls)if(n.updatedControls.hasOwnProperty(t)){var i=r[t];if(i){var a=document.createElement(r[t].parent.tagName||"div");if(a.innerHTML=n.updatedControls[t],1<a.childElementCount)throw new Error("Postback.Update control can not render more than one element");var s=a.firstElementChild;if(null==s.id)throw new Error("Postback.Update control always has to render id attribute.");s.id!==r[t].control.id&&console.log("Postback.Update control changed id from '"+r[t].control.id+"' to '"+s.id+"'"),a.removeChild(s),i.nextSibling?i.parent.insertBefore(s,i.nextSibling):i.parent.appendChild(s)}}e&&window.setTimeout(function(){try{for(var e in o.isViewModelUpdating=!0,n.updatedControls){var t=document.getElementByDotvvmId(e);t&&ko.applyBindings(r[e].dataContext,t)}}finally{o.isViewModelUpdating=!1}},0)},e.prototype.unwrapArrayExtension=function(e){return ko.unwrap(ko.unwrap(e))},e.prototype.buildRouteUrl=function(e,a){var t=(e="/"+e).replace(/(\/[^\/]*?)\{([^\}]+?)\??(:(.+?))?\}/g,function(e,t,n,r,o){if(!n)return"";var i=ko.unwrap(a[n.toLowerCase()]);return null==i?"":t+i});return 0===t.indexOf("/")?t.substring(1):t},e.prototype.buildUrlSuffix=function(e,t){var n,r;for(var o in r=-1!==e.indexOf("#")?(n=e.substring(0,e.indexOf("#")),e.substring(e.indexOf("#"))):(n=e,""),t)if(t.hasOwnProperty(o)){if(!o)continue;var i=ko.unwrap(t[o]);if(null==i)continue;n=n.concat(-1!==n.indexOf("?")?"&"+o+"="+i:"?"+o+"="+i)}return n.concat(r)},e.prototype.isPostBackProhibited=function(e){return!!(e&&e.tagName&&-1<["a","input","button"].indexOf(e.tagName.toLowerCase())&&e.getAttribute("disabled"))},e.prototype.addKnockoutBindingHandlers=function(){function v(n,r){void 0===r&&(r=null);var e=ko.pureComputed({read:function(){var e=n();return ko.unwrap(e)},write:function(e){var t=n();ko.isObservable(t)?t(e):console.warn("Attempted to write to readonly property"+(null==r?"":" "+r)+".")}});return e.wrappedProperty=n,e}ko.virtualElements.allowedBindings.dotvvm_withControlProperties=!0,ko.bindingHandlers.dotvvm_withControlProperties={init:function(e,t,n,r,o){if(!o)throw new Error;var i=t();for(var a in i)i[a]=v(function(){var e=t()[this.prop];return ko.isObservable(e)?e:dotvvm.serialization.deserialize(e)}.bind({prop:a}),"'"+a+"' at '"+t.toString()+"'");var s=o.extend({$control:i});return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}},update:function(e,t,n,r,o){}},ko.virtualElements.allowedBindings.dotvvm_introduceAlias=!0,ko.bindingHandlers.dotvvm_introduceAlias={init:function(e,t,n,r,o){if(!o)throw new Error;var i=t(),a={};for(var s in i){for(var l=s.split("."),d=a;0<l.length-1;0)d=a[l[0]]||(a[l[0]]={});d[l[l.length-1]]=v(function(){return t()[this.prop]}.bind({prop:s}),"'"+s+"' at '"+t.toString()+"'")}var u=o.extend(a);return e.innerBindingContext=u,ko.applyBindingsToDescendants(u,e),{controlsDescendantBindings:!0}}};var l="$foreachCollectionSymbol";ko.virtualElements.allowedBindings["dotvvm-SSR-foreach"]=!0,ko.bindingHandlers["dotvvm-SSR-foreach"]={init:function(e,t,n,r,o){if(!o)throw new Error;var i,a=t(),s=o.extend(((i={})[l]=a.data,i));return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}}},ko.virtualElements.allowedBindings["dotvvm-SSR-item"]=!0,ko.bindingHandlers["dotvvm-SSR-item"]={init:function(e,t,n,r,o){if(!o)throw new Error;var i=t(),a=o[l],s=o.createChildContext(function(){return ko.unwrap((ko.unwrap(a)||[])[i])}).extend({$index:ko.pureComputed(function(){return i})});return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}}},ko.virtualElements.allowedBindings.withGridViewDataSet=!0,ko.bindingHandlers.withGridViewDataSet={init:function(e,t,n,r,o){if(!o)throw new Error;var i,a=t(),s=o.extend(((i={$gridViewDataSet:a})[l]=dotvvm.evaluator.getDataSourceItems(a),i));return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}},update:function(e,t,n,r,o){}},ko.bindingHandlers.dotvvmEnable={update:function(e,t){var n=ko.utils.unwrapObservable(t());n&&e.disabled?(e.disabled=!1,e.removeAttribute("disabled")):n||e.disabled||(e.disabled=!0,e.setAttribute("disabled","disabled"))}},ko.bindingHandlers["dotvvm-checkbox-updateAfterPostback"]={init:function(e,t,r,n,o){dotvvm.events.afterPostback.subscribe(function(e){var t=r();if(t["dotvvm-checked-pointer"]){var n=t[t["dotvvm-checked-pointer"]];ko.isObservable(n)&&(n.valueHasMutated?n.valueHasMutated():n.notifySubscribers())}})}},ko.bindingHandlers["dotvvm-checked-pointer"]={init:function(e,t,n,r,o){}},ko.bindingHandlers["dotvvm-UpdateProgress-Visible"]={init:function(t,e,n,r,o){t.style.display="none";var i,a=t.getAttribute("data-delay"),s=!1;dotvvm.isPostbackRunning.subscribe(function(e){e?s||(s=!0,null==a?t.style.display="":i=setTimeout(function(e){t.style.display=""},a)):(s=!1,clearTimeout(i),t.style.display="none")})}},ko.bindingHandlers["dotvvm-table-columnvisible"]={init:function(e,t,n,r,o){var i="",a=!0;if(e instanceof HTMLTableCellElement){for(var s=e;!(s instanceof HTMLTableElement);)s=s.parentElement;var l=s.rows.item(0);if(!l)throw Error("Table with dotvvm-table-columnvisible binding handler must not be empty.");var d=[].slice.call(l.cells).indexOf(e);e.dotvvmChangeVisibility=function(e,t,n){if(a!=n){a=n;for(var r=0;r<e.rows.length;r++){var o=e.rows.item(r).cells[t].style;n?o.display=i:(i=o.display||"",o.display="none")}}}.bind(null,s,d)}},update:function(e,t){e.dotvvmChangeVisibility(ko.unwrap(t()))}},ko.bindingHandlers["dotvvm-textbox-text"]={init:function(r,e,t,n,o){var i=e(),a=(t.get("valueUpdate"),new DotvvmValidationElementMetadata);a.element=r,a.dataType=(r.attributes["data-dotvvm-value-type"]||{value:""}).value,a.format=(r.attributes["data-dotvvm-format"]||{value:""}).value;var s=null;s=ko.isObservable(i)?(i.dotvvmMetadata?(i.dotvvmMetadata.elementsMetadata||(i.dotvvmMetadata.elementsMetadata=[]),i.dotvvmMetadata.elementsMetadata.push(a)):(i.dotvvmMetadata=new DotvvmValidationObservableMetadata,i.dotvvmMetadata.elementsMetadata=[a]),i.dotvvmMetadata.elementsMetadata):new DotvvmValidationObservableMetadata,setTimeout(function(r,o){ko.utils.domNodeDisposal.addDisposeCallback(o,function(){for(var e=0,t=r;e<t.length;e++){var n=t[e];if(n.element===o){r.splice(r.indexOf(n),1);break}}})},0,s,r),dotvvm.domUtils.attachEvent(r,"change",function(){if(ko.isObservable(i)){var e,t;if("datetime"===a.dataType){var n=i();null!=n&&(n=dotvvm.globalize.parseDotvvmDate(n)),t=null==(e=dotvvm.globalize.parseDate(r.value,a.format,n))?null:dotvvm.serialization.serializeDate(e,!1)}else t=null===(e=dotvvm.globalize.parseNumber(r.value))||isNaN(e)?null:e;null==t&&null!==r.value&&""!==r.value?(r.attributes["data-invalid-value"]=r.value,r.attributes["data-dotvvm-value-type-valid"]=!1,a.elementValidationState=!1):(r.attributes["data-invalid-value"]=null,r.attributes["data-dotvvm-value-type-valid"]=!0,a.elementValidationState=!0),i()===t?i.valueHasMutated?i.valueHasMutated():i.notifySubscribers():i(t)}})},update:function(e,t,n,r,o){var i=t(),a=(e.attributes["data-dotvvm-format"]||{value:""}).value,s=ko.unwrap(i);if(a){var l=dotvvm.globalize.formatString(a,s),d=e.attributes["data-invalid-value"];if(null==d){if(e.value=l||"",i.dotvvmMetadata&&i.dotvvmMetadata.elementsMetadata)for(var u=0,v=i.dotvvmMetadata.elementsMetadata;u<v.length;u++){var c=v[u];c.element===e&&(e.attributes["data-dotvvm-value-type-valid"]=!0,c.elementValidationState=!0)}}else e.attributes["data-invalid-value"]=null,e.value=d}else e.value=s}},ko.bindingHandlers["dotvvm-textbox-select-all-on-focus"]={init:function(e,t,n,r,o){e.$selectAllOnFocusHandler=function(){e.select()}},update:function(e,t,n,r,o){!0===ko.unwrap(t())?e.addEventListener("focus",e.$selectAllOnFocusHandler):e.removeEventListener("focus",e.$selectAllOnFocusHandler)}},ko.bindingHandlers["dotvvm-CheckState"]={init:function(e,t,n,r,o){ko.getBindingHandler("checked").init(e,t,n,r,o)},update:function(e,t,n){var r=ko.unwrap(t());e.indeterminate=null==r}}},e}(),DotvvmValidationContext=function(e,t,n){this.valueToValidate=e,this.parentViewModel=t,this.parameters=n},DotvvmValidationObservableMetadata=function(){},DotvvmValidationElementMetadata=function(){this.elementValidationState=!0},DotvvmValidatorBase=function(){function e(){}return e.prototype.isValid=function(e,t){return!1},e.prototype.isEmpty=function(e){return null==e||"string"==typeof e&&""===e.trim()},e.prototype.getValidationMetadata=function(e){return e.dotvvmMetadata},e}(),DotvvmRequiredValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate;return!this.isEmpty(t)},t}(DotvvmValidatorBase),DotvvmRegularExpressionValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate,n=e.parameters[0];return this.isEmpty(t)||new RegExp(n).test(t)},t}(DotvvmValidatorBase),DotvvmIntRangeValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate,n=e.parameters[0],r=e.parameters[1];return t%1==0&&n<=t&&t<=r},t}(DotvvmValidatorBase),DotvvmEnforceClientFormatValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e,t){var n=!0;e.parameters[0]||null!=e.valueToValidate||(n=!1),e.parameters[1]||0!==e.valueToValidate.length||(n=!1),!e.parameters[2]&&this.isEmpty(e.valueToValidate)&&(n=!1);var r=this.getValidationMetadata(t);if(r&&r.elementsMetadata)for(var o=0,i=r.elementsMetadata;o<i.length;o++){i[o].elementValidationState||(n=!1)}return n},t}(DotvvmValidatorBase),DotvvmRangeValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e,t){var n=e.valueToValidate,r=e.parameters[0],o=e.parameters[1];return r<=n&&n<=o},t}(DotvvmValidatorBase),DotvvmNotNullValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){return null!==e.valueToValidate&&void 0!==e.valueToValidate},t}(DotvvmValidatorBase),DotvvmEmailAddressValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate;if(null==t)return!0;if("string"!=typeof t)return!1;for(var n=!1,r=0;r<t.length;r++)if("@"==t[r]){if(n||0==r||r==t.length-1)return!1;n=!0}return n},t}(DotvvmValidatorBase),ValidationError=function(){function e(e,t){this.validatedObservable=e,this.errorMessage=t}return e.getOrCreate=function(e){if(e.wrappedProperty){var t=e.wrappedProperty();ko.isObservable(t)&&(e=t)}return e.validationErrors||(e.validationErrors=ko.observableArray()),e.validationErrors},e.isValid=function(e){return!e.validationErrors||0===e.validationErrors().length},e.prototype.clear=function(e){this.validatedObservable.validationErrors.remove(this),e.errors.remove(this)},e}(),DotvvmValidation=function(){function e(i){var d=this;this.rules={required:new DotvvmRequiredValidator,regularExpression:new DotvvmRegularExpressionValidator,intrange:new DotvvmIntRangeValidator,range:new DotvvmRangeValidator,emailAddress:new DotvvmEmailAddressValidator,notnull:new DotvvmNotNullValidator,enforceClientFormat:new DotvvmEnforceClientFormatValidator},this.errors=ko.observableArray([]),this.events={validationErrorsChanged:new DotvvmEvent("dotvvm.validation.events.validationErrorsChanged")},this.elementUpdateFunctions={hideWhenValid:function(e,t,n){0<t.length?e.style.display="":e.style.display="none"},invalidCssClass:function(e,t,n){if(0<t.length)e.className+=" "+n;else{var r=n.split(" ");e.className=e.className.split(" ").filter(function(e){return r.indexOf(e)<0}).join(" ")}},setToolTipText:function(e,t,n){0<t.length?e.title=t.join(", "):e.title=""},showErrorMessageText:function(e,t,n){e[e.innerText?"innerText":"textContent"]=t.join(", ")}};function t(o){return{execute:function(e,t){if(o){t.additionalPostbackData.validationTargetPath=o;var n=ko.contextFor(t.sender),r=i.evaluator.evaluateOnViewModel(n,o);if(d.errors([]),d.clearValidationErrors(i.viewModelObservables[t.viewModelName||"root"]),d.validateViewModel(r),0<d.errors().length)return console.log("Validation failed: postback aborted; errors: ",d.errors()),Promise.reject({type:"handler",handler:d,message:"Validation failed"});d.events.validationErrorsChanged.trigger({viewModel:t.viewModel})}return e()}}}i.postbackHandlers.validate=function(e){return t(e.path)},i.postbackHandlers["validate-root"]=function(){return t("dotvvm.viewModelObservables['root']")},i.postbackHandlers["validate-this"]=function(){return t("$data")},i.events.afterPostback.subscribe(function(e){!e.wasInterrupted&&e.serverResponseObject&&("successfulCommand"===e.serverResponseObject.action?(d.mergeValidationRules(e),e.isHandled=!0):"validationErrors"===e.serverResponseObject.action&&(d.showValidationErrorsFromServer(e),e.isHandled=!0)),d.events.validationErrorsChanged.trigger(e)}),i.events.spaNavigating.subscribe(function(e){d.clearValidationErrors(i.viewModelObservables[e.viewModelName])}),ko.bindingHandlers.dotvvmValidation={init:function(t,e,n,r,o){var i=e();if(ko.isObservable(i)){function a(e,t){for(var n in s)s.hasOwnProperty(n)&&d.elementUpdateFunctions[n](e,t.map(function(e){return e.errorMessage}),s[n])}var s=n.get("dotvvmValidationOptions"),l=ValidationError.getOrCreate(i);l.subscribe(function(e){return a(t,e)}),a(t,l())}}}}return e.prototype.validateViewModel=function(e){if(ko.isObservable(e)&&(e=ko.unwrap(e)),e){var t=ko.unwrap(e.$type),n=(dotvvm.viewModels.root.validationRules||{})[t]||{};for(var r in e)if(e.hasOwnProperty(r)&&0!==r.indexOf("$")){var o=e[r];if(o&&ko.isObservable(o)){var i=e[r]();n.hasOwnProperty(r)&&this.validateProperty(e,o,i,n[r]);var a=e[r+"$options"];if(a&&a.type&&ValidationError.isValid(o)&&!dotvvm.serialization.validateType(i,a.type)){var s=new ValidationError(o,"The value of property "+r+" ("+i+") is invalid value for type "+a.type+".");this.addValidationError(o,s)}if(i)if(Array.isArray(i))for(var l=0,d=i;l<d.length;l++){var u=d[l];this.validateViewModel(u)}else i&&i instanceof Object&&this.validateViewModel(i)}}}},e.prototype.validateProperty=function(e,t,n,r){for(var o=0,i=r;o<i.length;o++){var a=i[o],s=this.rules[a.ruleName],l=new DotvvmValidationContext(n,e,a.parameters);if(!s.isValid(l,t)){ValidationError.getOrCreate(t);var d=new ValidationError(t,a.errorMessage);this.addValidationError(t,d)}}},e.prototype.mergeValidationRules=function(e){if(e.serverResponseObject.validationRules){var t=dotvvm.viewModels[e.viewModelName].validationRules;for(var n in void 0===t&&(dotvvm.viewModels[e.viewModelName].validationRules={},t=dotvvm.viewModels[e.viewModelName].validationRules),e.serverResponseObject.validationRules)e.serverResponseObject.validationRules.hasOwnProperty(n)&&(t[n]=e.serverResponseObject.validationRules[n])}},e.prototype.clearValidationErrors=function(e){if(e&&ko.isObservable(e)){if(e.validationErrors)for(var t=0,n=e.validationErrors();t<n.length;t++){n[t].clear(this)}var r=e();if(r){if(Array.isArray(r))for(var o=0,i=r;o<i.length;o++){var a=i[o];this.clearValidationErrors(a)}for(var s in r)if(r.hasOwnProperty(s)&&0!==s.indexOf("$")){var l=r[s];this.clearValidationErrors(l)}}}},e.prototype.getValidationErrors=function(e,t,n,r){if(void 0===r&&(r=!0),!e)return[];var o=[];if(n&&(o=o.concat(ValidationError.getOrCreate(e)())),r){var i=ko.unwrap(e);if(Array.isArray(i))for(var a=0,s=i;a<s.length;a++){var l=s[a];o=o.concat(this.getValidationErrors(l,t,!0,t))}else for(var d in i)if(i.hasOwnProperty(d)&&0!==d.indexOf("$")){var u=i[d];u&&ko.isObservable(u)&&(o=o.concat(this.getValidationErrors(u,t,!0,t)))}}return o},e.prototype.showValidationErrorsFromServer=function(e){var t=ko.contextFor(e.sender),n=dotvvm.evaluator.evaluateOnViewModel(t,e.postbackOptions.additionalPostbackData.validationTargetPath);if(n){this.clearValidationErrors(dotvvm.viewModelObservables[e.viewModelName]);for(var r=e.serverResponseObject.modelState,o=0;o<r.length;o++){var i,a=r[o].propertyPath;i=a?(ko.isObservable(n)&&(n=ko.unwrap(n)),dotvvm.evaluator.evaluateOnViewModel(n,a)):n;var s=new ValidationError(i,r[o].errorMessage);this.addValidationError(i,s)}}},e.prototype.addValidationError=function(e,t){ValidationError.getOrCreate(e).indexOf(t)<0&&(e.validationErrors.push(t),this.errors.push(t))},e}(),DotvvmEvaluator=function(){function DotvvmEvaluator(){}return DotvvmEvaluator.prototype.evaluateOnViewModel=function(context,expression){var result;return result=context&&context.$data?eval("(function ($context) { with($context) { with ($data) { return "+expression+"; } } })")(context):eval("(function ($context) { var $data=$context; with($context) { return "+expression+"; } })")(context),result&&result.$data&&(result=result.$data),result},DotvvmEvaluator.prototype.evaluateOnContext=function(e,t){var n=!1;for(var r in e)if(0===t.indexOf(r)){n=!0;break}return n||(t="$data."+t),this.evaluateOnViewModel(e,t)},DotvvmEvaluator.prototype.getDataSourceItems=function(e){var t=ko.unwrap(e);return void 0===t||null==t?[]:ko.unwrap(t.Items||t)},DotvvmEvaluator.prototype.tryEval=function(e){try{return e()}catch(e){return null}},DotvvmEvaluator.prototype.isObservableArray=function(e){return ko.isComputed(e)?Array.isArray(e.peek()):!!ko.isObservable(e)&&"push"in e},DotvvmEvaluator.prototype.wrapObservable=function(n,e){var r=this,t=ko.pureComputed({read:function(){return ko.unwrap(r.getExpressionResult(n))},write:function(e){return r.updateObservable(n,e)}});return e&&(t.push=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"push",e)},t.pop=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"pop",e)},t.unshift=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"unshift",e)},t.shift=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"shift",e)},t.reverse=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"reverse",e)},t.sort=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"sort",e)},t.splice=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"splice",e)},t.slice=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"slice",e)},t.replace=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"replace",e)},t.indexOf=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"indexOf",e)},t.remove=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"remove",e)},t.removeAll=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"removeAll",e)},t=t.extend({trackArrayChanges:!0})),t.extend({notify:"always"})},DotvvmEvaluator.prototype.updateObservable=function(e,t){var n=this.getExpressionResult(e);ko.isWriteableObservable(n)?n(t):console.error("Cannot write a value to ko.computed because the expression '"+e+"' does not return a writable observable.")},DotvvmEvaluator.prototype.updateObservableArray=function(e,t,n){var r=this.getExpressionResult(e);this.isObservableArray(r)?r[t].apply(r,n):console.error("Cannot execute '"+t+"' function on ko.computed because the expression '"+e+"' does not return an observable array.")},DotvvmEvaluator.prototype.getExpressionResult=function(e){var t=e();return ko.isComputed(t)&&"wrappedProperty"in t&&(t=t.wrappedProperty()),t},DotvvmEvaluator}(),DotvvmEventHub=function(){function e(){this.map={}}return e.prototype.notify=function(e){e in this.map?this.map[e].notifySubscribers():this.map[e]=ko.observable(0)},e.prototype.get=function(e){return this.map[e]||(this.map[e]=ko.observable(0))},e}();function basicAuthenticatedFetch(t,n){var r=sessionStorage.getItem("someAuth");return null!=r&&(null==n&&(n={}),null==n.headers&&(n.headers={}),null==n.headers.Authorization&&(n.headers.Authorization="Basic "+btoa(r))),null==n&&(n={}),n.cache||(n.cache="no-cache"),window.fetch(t,n).then(function(e){return 401===e.status&&null==r?(null==sessionStorage.getItem("someAuth")&&function(){var e=prompt("You credentials for "+(t.url||t))||"";sessionStorage.setItem("someAuth",e)}(),basicAuthenticatedFetch(t,n)):e})}!function(){var a={};DotVVM.prototype.invokeApiFn=function(n,e,o,t){void 0===e&&(e=[]),void 0===o&&(o=[]),void 0===t&&(t=n.toString());var i=a[t]||(a[t]=ko.observable(null)),r=ko.pureComputed(function(){return i()});return r.refreshValue=function(e){var t=i.promise;if(i.isLoading||(i.isLoading=!0,t=function(){try{return{type:"result",result:window.Promise.resolve(ko.ignoreDependencies(n)).then(function(e){e&&(i(ko.unwrap(dotvvm.serialization.deserialize(e,i))),i.notifySubscribers());for(var t=0,n=o;t<n.length;t++){var r=n[t];dotvvm.eventHub.notify(r)}return e},console.warn)}}catch(e){return console.warn(e),{type:"error",error:e}}}(),i.promise=t),"error"!=t.type)return t.result.then(function(e){return i.isLoading=!1},function(e){return i.isLoading=!1}),t.result;if(i.isLoading=!1,e)throw t.error},i.peek()||r.refreshValue(),ko.computed(function(){return e.map(function(e){return"string"==typeof e?dotvvm.eventHub.get(e)():e()})}).subscribe(function(e){return r.refreshValue()}),r},DotVVM.prototype.apiRefreshOn=function(e,t){return"function"!=typeof e.refreshValue&&console.error("The object is not refreshable"),t.subscribe(function(){"function"!=typeof e.refreshValue&&console.error("The object is not refreshable"),e.refreshValue&&e.refreshValue()}),e},DotVVM.prototype.api={},DotVVM.prototype.eventHub=new DotvvmEventHub}();
\ No newline at end of file
diff --git a/src/DotVVM.Framework/Resources/Scripts/DotVVM.ts b/src/DotVVM.Framework/Resources/Scripts/DotVVM.ts
index 9cc4a58d79..5ce39623d8 100644
--- a/src/DotVVM.Framework/Resources/Scripts/DotVVM.ts
+++ b/src/DotVVM.Framework/Resources/Scripts/DotVVM.ts
@@ -26,6 +26,8 @@ interface IDotvvmViewModelInfo {
     renderedResources?: string[];
     url?: string;
     virtualDirectory?: string;
+    resultIdFragment?: string;
+    resources?: { [name: string]: boolean };
 }
 
 interface IDotvvmViewModels {
@@ -218,11 +220,43 @@ class DotVVM {
     public useHistoryApiSpaNavigation: boolean;
     public isPostbackRunning = ko.observable(false);
 
+    public useHistoryApiViewModel = history && ((/Chrome/.test(navigator.userAgent) && /Google Inc/.test(navigator.vendor)) || /Edge/.test(navigator.userAgent));
+
+    private isBrowserReload(): boolean {
+        if (performance) {
+            if (performance.getEntriesByType) {
+                var entries = performance.getEntriesByType("navigation");
+
+                if (entries.length > 0) {
+                    return (<PerformanceNavigationTiming>entries[0]).type === "reload";
+                }
+            }
+
+            // deprecated in Navigation Timing Level 2 specification
+            if (performance.navigation) {
+                return performance.navigation.type === 1;
+            }
+        }
+
+        return false;
+    }
+
     public init(viewModelName: string, culture: string): void {
         this.addKnockoutBindingHandlers();
 
         // load the viewmodel
-        var thisViewModel = this.viewModels[viewModelName] = JSON.parse((<HTMLInputElement>document.getElementById("__dot_viewmodel_" + viewModelName)).value);
+        var thisViewModel: IDotvvmViewModelInfo;
+        var shouldLoadFromHistoryApi = this.useHistoryApiViewModel && !this.isBrowserReload() && history.state && history.state.dotvvm_viewmodels && history.state.dotvvm_viewmodels[viewModelName];
+
+        if (shouldLoadFromHistoryApi) {
+            // create a new object, otherwise the object in the history state will be changed which will result in serialize errors.
+            thisViewModel = <IDotvvmViewModelInfo>{ ...history.state.dotvvm_viewmodels[viewModelName] };
+        } else {
+            thisViewModel = <IDotvvmViewModelInfo>JSON.parse((<HTMLInputElement>document.getElementById("__dot_viewmodel_" + viewModelName)).value);
+        }
+
+        this.viewModels[viewModelName] = thisViewModel;
+
         if (thisViewModel.resources) {
             for (var r in thisViewModel.resources) {
                 this.resourceSigns[r] = true;
@@ -347,6 +381,24 @@ class DotVVM {
 
     private persistViewModel(viewModelName: string) {
         var viewModel = this.viewModels[viewModelName];
+
+        if (this.useHistoryApiViewModel) {
+            var currentState = history.state ? history.state : {};
+            var persistedViewModels = currentState.dotvvm_viewmodels ? currentState.dotvvm_viewmodels : {};
+
+            // add the new viewmodel to the existing state, otherwise SPA mode will break.
+            var state = {
+                dotvvm_viewmodels: {
+                    [viewModelName]: ko.toJS(viewModel),
+                    ...persistedViewModels
+                },
+                ...currentState
+            };
+
+            console.log(JSON.stringify(state))
+            history.replaceState(state, document.title);
+        }
+
         var persistedViewModel = {};
         for (var p in viewModel) {
             if (viewModel.hasOwnProperty(p)) {

From c3151c0ad14c5816b46c6b6be1a22415434014ec Mon Sep 17 00:00:00 2001
From: Gerard Smit <gsmit1996@gmail.com>
Date: Sat, 27 Apr 2019 13:46:37 +0200
Subject: [PATCH 2/4] Removed debugging line

Also reverted DotVVM.DomUtils.ts which included an unnecessary line change
---
 src/DotVVM.Framework/Resources/Scripts/DotVVM.DomUtils.ts | 2 +-
 src/DotVVM.Framework/Resources/Scripts/DotVVM.js          | 1 -
 src/DotVVM.Framework/Resources/Scripts/DotVVM.min.js      | 2 +-
 src/DotVVM.Framework/Resources/Scripts/DotVVM.ts          | 1 -
 4 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/DotVVM.Framework/Resources/Scripts/DotVVM.DomUtils.ts b/src/DotVVM.Framework/Resources/Scripts/DotVVM.DomUtils.ts
index 38f1192ff7..101a841e63 100644
--- a/src/DotVVM.Framework/Resources/Scripts/DotVVM.DomUtils.ts
+++ b/src/DotVVM.Framework/Resources/Scripts/DotVVM.DomUtils.ts
@@ -14,4 +14,4 @@
         }
     }
 
-}
+}
\ No newline at end of file
diff --git a/src/DotVVM.Framework/Resources/Scripts/DotVVM.js b/src/DotVVM.Framework/Resources/Scripts/DotVVM.js
index c929b5133b..2fa5e58cc7 100644
--- a/src/DotVVM.Framework/Resources/Scripts/DotVVM.js
+++ b/src/DotVVM.Framework/Resources/Scripts/DotVVM.js
@@ -1126,7 +1126,6 @@ var DotVVM = /** @class */ (function () {
             var persistedViewModels = currentState.dotvvm_viewmodels ? currentState.dotvvm_viewmodels : {};
             // add the new viewmodel to the existing state, otherwise SPA mode will break.
             var state = __assign({ dotvvm_viewmodels: __assign((_a = {}, _a[viewModelName] = ko.toJS(viewModel), _a), persistedViewModels) }, currentState);
-            console.log(JSON.stringify(state));
             history.replaceState(state, document.title);
         }
         var persistedViewModel = {};
diff --git a/src/DotVVM.Framework/Resources/Scripts/DotVVM.min.js b/src/DotVVM.Framework/Resources/Scripts/DotVVM.min.js
index 573a412c80..27ea2b8527 100644
--- a/src/DotVVM.Framework/Resources/Scripts/DotVVM.min.js
+++ b/src/DotVVM.Framework/Resources/Scripts/DotVVM.min.js
@@ -1 +1 @@
-var __assign=this&&this.__assign||Object.assign||function(e){for(var t,n=1,r=arguments.length;n<r;n++)for(var o in t=arguments[n])Object.prototype.hasOwnProperty.call(t,o)&&(e[o]=t[o]);return e},__extends=this&&this.__extends||function(){var r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n])};return function(e,t){function n(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(n.prototype=t.prototype,new n)}}();!function(){if("undefined"==typeof Promise||!self.fetch){var e=document.createElement("script");e.src=window.dotvvm__polyfillUrl,e.type="text/javascript",document.getElementsByTagName("head")[0].appendChild(e)}}();var DotvvmDomUtils=function(){function e(){}return e.prototype.onDocumentReady=function(e){/in/.test(document.readyState)?setTimeout("dotvvm.domUtils.onDocumentReady("+e+")",9):e()},e.prototype.attachEvent=function(e,t,n,r){void 0===r&&(r=!1),e.addEventListener?e.addEventListener(t,n,r):e.attachEvent("on"+t,n)},e}(),HistoryRecord=function(e,t){this.navigationType=e,this.url=t},DotvvmSpaHistory=function(){function e(){}return e.prototype.pushPage=function(e){history.pushState(new HistoryRecord("SPA",e),"",e)},e.prototype.replacePage=function(e){history.replaceState(new HistoryRecord("SPA",e),"",e)},e.prototype.isSpaPage=function(e){return e&&"SPA"==e.navigationType},e.prototype.getHistoryRecord=function(e){return e},e}(),DotvvmEvents=function(){this.init=new DotvvmEvent("dotvvm.events.init",!0),this.beforePostback=new DotvvmEvent("dotvvm.events.beforePostback"),this.afterPostback=new DotvvmEvent("dotvvm.events.afterPostback"),this.error=new DotvvmEvent("dotvvm.events.error"),this.spaNavigating=new DotvvmEvent("dotvvm.events.spaNavigating"),this.spaNavigated=new DotvvmEvent("dotvvm.events.spaNavigated"),this.redirect=new DotvvmEvent("dotvvm.events.redirect"),this.postbackHandlersStarted=new DotvvmEvent("dotvvm.events.postbackHandlersStarted"),this.postbackHandlersCompleted=new DotvvmEvent("dotvvm.events.postbackHandlersCompleted"),this.postbackResponseReceived=new DotvvmEvent("dotvvm.events.postbackResponseReceived"),this.postbackCommitInvoked=new DotvvmEvent("dotvvm.events.postbackCommitInvoked"),this.postbackViewModelUpdated=new DotvvmEvent("dotvvm.events.postbackViewModelUpdated"),this.postbackRejected=new DotvvmEvent("dotvvm.events.postbackRejected"),this.staticCommandMethodInvoking=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoking"),this.staticCommandMethodInvoked=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoked"),this.staticCommandMethodFailed=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoked")},DotvvmEventHandler=function(e,t){this.handler=e,this.isOneTime=t},DotvvmEvent=function(){function e(e,t){void 0===t&&(t=!1),this.name=e,this.triggerMissedEventsOnSubscribe=t,this.handlers=[],this.history=[]}return e.prototype.subscribe=function(e){if(this.handlers.push(new DotvvmEventHandler(e,!1)),this.triggerMissedEventsOnSubscribe)for(var t=0;t<this.history.length;t++)e(history[t])},e.prototype.subscribeOnce=function(e){this.handlers.push(new DotvvmEventHandler(e,!0))},e.prototype.unsubscribe=function(e){for(var t=0;t<this.handlers.length;t++)if(this.handlers[t].handler===e)return void this.handlers.splice(t,1)},e.prototype.trigger=function(e){for(var t=0;t<this.handlers.length;t++)this.handlers[t].handler(e),this.handlers[t].isOneTime&&(this.handlers.splice(t,1),t--);this.triggerMissedEventsOnSubscribe&&this.history.push(e)},e}(),DotvvmErrorEventArgs=function(e,t,n,r,o,i,a){void 0===i&&(i=void 0),void 0===a&&(a=!1),this.sender=e,this.viewModel=t,this.viewModelName=n,this.xhr=r,this.postbackClientId=o,this.serverResponseObject=i,this.isSpaNavigationError=a,this.handled=!1},DotvvmBeforePostBackEventArgs=function(e,t,n,r){this.sender=e,this.viewModel=t,this.viewModelName=n,this.postbackClientId=r,this.cancel=!1,this.clientValidationFailed=!1},DotvvmAfterPostBackEventArgs=function(){function e(e,t,n,r){void 0===n&&(n=null),this.postbackOptions=e,this.serverResponseObject=t,this.commandResult=n,this.xhr=r,this.isHandled=!1,this.wasInterrupted=!1}return Object.defineProperty(e.prototype,"postbackClientId",{get:function(){return this.postbackOptions.postbackId},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"viewModelName",{get:function(){return this.postbackOptions.viewModelName},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"viewModel",{get:function(){return this.postbackOptions.viewModel},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"sender",{get:function(){return this.postbackOptions.sender},enumerable:!0,configurable:!0}),e}(),DotvvmSpaNavigatingEventArgs=function(e,t,n){this.viewModel=e,this.viewModelName=t,this.newUrl=n,this.cancel=!1},DotvvmSpaNavigatedEventArgs=function(e,t,n,r){this.viewModel=e,this.viewModelName=t,this.serverResponseObject=n,this.xhr=r,this.isHandled=!1},DotvvmRedirectEventArgs=function(e,t,n,r){this.viewModel=e,this.viewModelName=t,this.url=n,this.replace=r,this.isHandled=!1},DotvvmFileUpload=function(){function e(){}return e.prototype.showUploadDialog=function(e){var t=this.getIframe(e);this.createUploadId(e,t),this.openUploadDialog(t)},e.prototype.getIframe=function(e){return e.parentElement.previousSibling},e.prototype.openUploadDialog=function(e){var t=e.contentWindow;t&&t.document.getElementById("upload").click()},e.prototype.createUploadId=function(e,t){t=t||this.getIframe(e);var n="DotVVM_upl"+(new Date).getTime().toString();e.parentElement.parentElement.setAttribute("data-dotvvm-upload-id",n),t.setAttribute("data-dotvvm-upload-id",n)},e.prototype.reportProgress=function(e,t,n,r){var o=document.querySelector("div[data-dotvvm-upload-id='"+e.value+"']"),i=ko.dataFor(o.firstChild);if("string"==typeof r)i.Error(r);else{i.Error("");for(var a=0;a<r.length;a++)i.Files.push(dotvvm.serialization.wrapObservable(dotvvm.serialization.deserialize(r[a])));(o.attributes["data-dotvvm-upload-completed"]||{value:null}).value&&new Function(o.attributes["data-dotvvm-upload-completed"].value).call(o)}i.Progress(n),i.IsBusy(t)},e}(),DotvvmFileUploadCollection=function(){this.Files=ko.observableArray(),this.Progress=ko.observable(0),this.Error=ko.observable(),this.IsBusy=ko.observable()},DotvvmFileUploadData=function(){this.FileId=ko.observable(),this.FileName=ko.observable(),this.FileSize=ko.observable(),this.IsFileTypeAllowed=ko.observable(),this.IsMaxSizeExceeded=ko.observable(),this.IsAllowed=ko.observable()},DotvvmFileSize=function(){this.Bytes=ko.observable(),this.FormattedText=ko.observable()},DotvvmGlobalize=function(){function e(){}return e.prototype.getGlobalize=function(){var e=window.dotvvm_Globalize;if(!e)throw new Error("Resource 'globalize' is not included (symbol 'dotvvm_Globalize' could not be found).\nIt is usually included automatically when needed, but sometime it's not possible, so you will have to include it in your page using '<dot:RequiredResource Name=\"globalize\" />'");return e},e.prototype.format=function(e){for(var o=this,i=[],t=1;t<arguments.length;t++)i[t-1]=arguments[t];return e.replace(/\{([1-9]?[0-9]+)(:[^}]+)?\}/g,function(e,t,n){var r=i[parseInt(t)];return n?o.formatString(n,r):r})},e.prototype.formatString=function(e,t){if(null==(t=ko.unwrap(t))||""===t)return"";if("string"==typeof t&&null==(t=this.parseDotvvmDate(t)))throw new Error("Could not parse "+t+" as a date");return""!==e&&null!==e||(e="G"),this.getGlobalize().format(t,e,dotvvm.culture)},e.prototype.parseDotvvmDate=function(e){var t=e.match("^([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})(\\.[0-9]{3,7})$");return t?new Date(parseInt(t[1]),parseInt(t[2])-1,parseInt(t[3]),parseInt(t[4]),parseInt(t[5]),parseInt(t[6]),7<t.length?parseInt(t[7].substring(1,4)):0):null},e.prototype.parseNumber=function(e){return this.getGlobalize().parseFloat(e,10,dotvvm.culture)},e.prototype.parseDate=function(e,t,n){return this.getGlobalize().parseDate(e,t,dotvvm.culture,n)},e.prototype.bindingDateToString=function(t,n){var r=this;if(void 0===n&&(n="G"),!t)return"";function o(){var e=ko.unwrap(t);return"string"==typeof e?r.parseDotvvmDate(e):e}function e(){var e=o();return null!=e?r.getGlobalize().format(e,n,dotvvm.culture):""}if(ko.isWriteableObservable(t)){var i="string"==typeof o()?function(e){return t(null==e?null:dotvvm.serialization.serializeDate(e,!1))}:t;return ko.pureComputed({read:function(){return e()},write:function(e){return i(r.getGlobalize().parseDate(e,n,dotvvm.culture))}})}return ko.pureComputed(function(){return e()})},e.prototype.bindingNumberToString=function(r,t){var o=this;if(void 0===t&&(t="G"),null==r)return"";function e(){var e=function(){var e=ko.unwrap(r);return"string"==typeof e?o.parseNumber(e):e}();return null!=e?o.getGlobalize().format(e,t,dotvvm.culture):""}return ko.isWriteableObservable(r)?ko.pureComputed({read:function(){return e()},write:function(e){var t=o.getGlobalize().parseFloat(e,10,dotvvm.culture),n=null==e||null!=t&&!isNaN(t);r(n?t:null)}}):ko.pureComputed(function(){return e()})},e}(),PostbackOptions=function(e,t,n,r,o){void 0===n&&(n=[]),this.postbackId=e,this.sender=t,this.args=n,this.viewModel=r,this.viewModelName=o,this.additionalPostbackData={}},ConfirmPostBackHandler=function(){function e(e){this.message=e}return e.prototype.execute=function(n,e){var r=this;return new Promise(function(e,t){confirm(r.message)?n().then(e,t):t({type:"handler",handler:r,message:"The postback was not confirmed"})})},e}(),SuppressPostBackHandler=function(){function e(e){this.suppress=e}return e.prototype.execute=function(n,e){var r=this;return new Promise(function(e,t){r.suppress?t({type:"handler",handler:r,message:"The postback was suppressed"}):n().then(e,t)})},e}(),DotvvmSerialization=function(){function e(){}return e.prototype.deserialize=function(e,t,n){if(void 0===n&&(n=!1),void 0===e||null==e)return ko.isObservable(t)?(t(e),t):e;if("string"==typeof e||"number"==typeof e||"boolean"==typeof e)return ko.isObservable(t)?(t(e),t):e;if(e instanceof Date)return e=dotvvm.serialization.serializeDate(e),ko.isObservable(t)?(t(e),t):e;if(e instanceof Array){if(ko.isObservable(t)&&"removeAll"in t&&null!=t()&&t().length===e.length)for(var r=t(),o=0;o<e.length;o++){var i=r[o]();i!==(c=this.deserialize(e[o],i,n))&&r[o](c)}else{var a=[];for(o=0;o<e.length;o++)a.push(this.wrapObservable(this.deserialize(e[o],{},n)));ko.isObservable(t)?("removeAll"in t||(ko.utils.extend(t,ko.observableArray.fn),t=t.extend({trackArrayChanges:!0})),t(a)):t=ko.observableArray(a)}return t}void 0===t&&(t={});var s=ko.unwrap(t),l=!1;for(var d in null==s&&(s={},ko.isObservable(t)?l=!0:t=s),e)if(e.hasOwnProperty(d)&&!/\$options$/.test(d)){var u=e[d];if(void 0===u)continue;if(!ko.isObservable(u)&&"function"==typeof u)continue;var v=e[d+"$options"];if(!n&&v&&v.doNotUpdate)continue;var c=ko.isObservable(u)?u:this.deserialize(u,s[d],n);if(u instanceof Date&&(s[d+"$options"]=s[d+"$options"]||{},s[d+"$options"].isDate=!0),ko.isObservable(c))if(ko.isObservable(s[d]))c()!==s[d]()&&s[d](c());else{var p=ko.unwrap(c);s[d]=Array.isArray(p)?ko.observableArray(p):ko.observable(p)}else ko.isObservable(s[d])?c!==s[d]()&&s[d](c):s[d]=ko.observable(c);if(v&&v.clientExtenders&&ko.isObservable(s[d]))for(var f=0;f<v.clientExtenders.length;f++){var h={},m=v.clientExtenders[f];h[m.name]=m.parameter,s[d].extend(h)}}for(var d in e)if(e.hasOwnProperty(d)&&/\$options$/.test(d)){for(var b in s[d]=s[d]||{},e[d])e[d].hasOwnProperty(b)&&(s[d][b]=e[d][b]);var g=d.substring(0,d.length-"$options".length);void 0===s[g]&&(s[g]=ko.observable())}return l&&t(s),t},e.prototype.wrapObservable=function(e){return ko.isObservable(e)?e:ko.observable(e)},e.prototype.serialize=function(e,t){if(void 0===t&&(t={}),(t=ko.utils.extend({},t)).pathOnly&&t.path&&0===t.path.length&&(t.pathOnly=!1),null==e)return null;if("string"==typeof e||"number"==typeof e||"boolean"==typeof e)return e;if(ko.isObservable(e))return this.serialize(e(),t);if("function"==typeof e)return null;if(e instanceof Array){if(t.pathOnly&&t.path){var n=parseInt(t.path.pop());return(r=new Array(n+1))[n]=this.serialize(e[n],t),t.path.push(n.toString()),r}for(var r=[],o=0;o<e.length;o++)r.push(this.serialize(e[o],t));return r}if(e instanceof Date)return t.restApiTarget?e:this.serializeDate(e);var i=t.path&&t.path.pop(),a={};for(var s in e)if(e.hasOwnProperty(s)){if(t.pathOnly&&s!==i)continue;var l=e[s];if(t.ignoreSpecialProperties&&"$"===s[0])continue;if(!t.serializeAll&&(/\$options$/.test(s)||"$validationErrors"===s))continue;if(void 0===l)continue;if(!ko.isObservable(l)&&"function"==typeof l)continue;var d=e[s+"$options"];if(!t.serializeAll&&d&&d.doNotPost);else if(t.oneLevel)a[s]=ko.unwrap(l);else if(!t.serializeAll&&d&&d.pathOnly&&t.pathMatcher){var u=d.pathOnly;u instanceof Array||(u=t.path||this.findObject(l,t.pathMatcher)),u&&(0===u.length?a[s]=this.serialize(l,t):a[s]=this.serialize(l,{ignoreSpecialProperties:t.ignoreSpecialProperties,serializeAll:t.serializeAll,path:u,pathOnly:!0}))}else a[s]=this.serialize(l,t);d&&d.type&&!this.validateType(a[s],d.type)&&(delete a[s],d.wasInvalid=!0)}return i&&t.path&&t.path.push(i),a},e.prototype.validateType=function(e,t){var n="?"===t[t.length-1];if(n&&(t=t.substr(0,t.length-1)),n&&(null==e||""==e))return!0;if(!n&&null==e)return!1;var r=/(u?)int(\d*)/.exec(t);if(r){if(!/^-?\d*$/.test(e))return!1;var o="u"===r[1],i=parseInt(r[2]),a=0,s=Math.pow(2,i)-1;o||(s+=a=-Math.floor(s/2));var l=parseInt(e);return a<=l&&l<=s&&l===parseFloat(e)}return"number"!==t&&"single"!==t&&"double"!==t&&"decimal"!==t||(+e===e||!isNaN(+e)&&"string"==typeof e)},e.prototype.findObject=function(e,t){if(t(e))return[];if(t(e=ko.unwrap(e)))return[];if("object"!=typeof e)return null;for(var n in e)if(e.hasOwnProperty(n)){var r=this.findObject(e[n],t);if(r)return r.push(n),r}return null},e.prototype.flatSerialize=function(e){return this.serialize(e,{ignoreSpecialProperties:!0,oneLevel:!0,serializeAll:!0})},e.prototype.getPureObject=function(e){if((e=ko.unwrap(e))instanceof Array)return e.map(this.getPureObject.bind(this));var t={};for(var n in e)"$"!=n[0]&&(t[n]=e[n]);return t},e.prototype.pad=function(e,t){for(;e.length<t;)e="0"+e;return e},e.prototype.serializeDate=function(e,t){if(void 0===t&&(t=!0),null==e)return null;if("string"==typeof e)return null==dotvvm.globalize.parseDotvvmDate(e)&&console.error(new Error("Date "+e+" is invalid.")),e;var n=new Date(e.getTime());return t?n.setMinutes(e.getMinutes()+e.getTimezoneOffset()):n=e,this.pad(n.getFullYear().toString(),4)+"-"+this.pad((n.getMonth()+1).toString(),2)+"-"+this.pad(n.getDate().toString(),2)+"T"+this.pad(n.getHours().toString(),2)+":"+this.pad(n.getMinutes().toString(),2)+":"+this.pad(n.getSeconds().toString(),2)+"."+this.pad(n.getMilliseconds().toString(),3)+"0000"},e}();document.getElementByDotvvmId=function(e){return document.querySelector("[data-dotvvm-id='"+e+"']")};var DotVVM=function(){function e(){var r,i=this;this.postBackCounter=0,this.lastStartedPostack=0,this.resourceSigns={},this.isViewModelUpdating=!0,this.spaHistory=new DotvvmSpaHistory,this.viewModelObservables={},this.isSpaReady=ko.observable(!1),this.viewModels={},this.serialization=new DotvvmSerialization,this.postbackHandlers={confirm:function(e){return new ConfirmPostBackHandler(e.message)},suppress:function(e){return new SuppressPostBackHandler(e.suppress)},timeout:function(e){return e.time?i.createWindowSetTimeoutHandler(e.time):i.windowSetTimeoutHandler},"concurrency-default":function(n){return{name:"concurrency-default",before:["setIsPostbackRunning"],execute:function(e,t){return i.commonConcurrencyHandler(e(),t,n.q||"default")}}},"concurrency-deny":function(r){return{name:"concurrency-deny",before:["setIsPostbackRunning"],execute:function(e,t){var n=r.q||"default";return 0<dotvvm.getPostbackQueue(n).noRunning?Promise.reject({type:"handler",handler:this,message:"An postback is already running"}):dotvvm.commonConcurrencyHandler(e(),t,n)}}},"concurrency-queue":function(o){return{name:"concurrency-queue",before:["setIsPostbackRunning"],execute:function(e,t){function n(){return dotvvm.commonConcurrencyHandler(e(),t,r)}var r=o.q||"default";return 0<dotvvm.getPostbackQueue(r).noRunning?new Promise(function(e){dotvvm.getPostbackQueue(r).queue.push(function(){return e(n())})}):n()}}},suppressOnUpdating:function(e){return{name:"suppressOnUpdating",before:["setIsPostbackRunning","concurrency-default","concurrency-queue","concurrency-deny"],execute:function(e,t){return dotvvm.isViewModelUpdating?Promise.reject({type:"handler",handler:this,message:"ViewModel is updating, so it's probably false onchange event"}):e()}}}},this.suppressOnDisabledElementHandler={name:"suppressOnDisabledElement",before:["setIsPostbackRunning","concurrency-default","concurrency-queue","concurrency-deny"],execute:function(e,t){return t.sender&&dotvvm.isPostBackProhibited(t.sender)?Promise.reject({type:"handler",handler:i,message:"PostBack is prohitibited on disabled element"}):e()}},this.beforePostbackEventPostbackHandler={execute:function(e,t){var n=new DotvvmBeforePostBackEventArgs(t.sender,t.viewModel,t.viewModelName,t.postbackId);return i.events.beforePostback.trigger(n),n.cancel?Promise.reject({type:"event",options:t}):e()}},this.isPostBackRunningHandler=(r=0,{name:"setIsPostbackRunning",before:["eventInvoke-postbackHandlersStarted"],execute:function(e,t){i.isPostbackRunning(!0),r++;var n=e();return n.then(function(){return i.isPostbackRunning(!!--r)},function(){return i.isPostbackRunning(!!--r)}),n}}),this.windowSetTimeoutHandler=this.createWindowSetTimeoutHandler(0),this.commonConcurrencyHandler=function(e,n,t){var r=i.getPostbackQueue(t);r.noRunning++;function o(){if(r.noRunning--,0<r.queue.length){var e=r.queue.shift();window.setTimeout(e,0)}}return e.then(function(e){var t=i.lastStartedPostack==n.postbackId?e:function(){return Promise.reject(null)};return function(){var e=t();return e.then(o,o),e}},function(e){return o(),Promise.reject(e)})},this.defaultConcurrencyPostbackHandler=this.postbackHandlers["concurrency-default"]({}),this.postbackQueues={},this.postbackHandlersStartedEventHandler={name:"eventInvoke-postbackHandlersStarted",execute:function(e,t){return dotvvm.events.postbackHandlersStarted.trigger(t),e()}},this.postbackHandlersCompletedEventHandler={name:"eventInvoke-postbackHandlersCompleted",after:["eventInvoke-postbackHandlersStarted"],execute:function(e,t){return dotvvm.events.postbackHandlersCompleted.trigger(t),e()}},this.globalPostbackHandlers=[this.suppressOnDisabledElementHandler,this.isPostBackRunningHandler,this.postbackHandlersStartedEventHandler],this.globalLaterPostbackHandlers=[this.postbackHandlersCompletedEventHandler,this.beforePostbackEventPostbackHandler],this.events=new DotvvmEvents,this.globalize=new DotvvmGlobalize,this.evaluator=new DotvvmEvaluator,this.domUtils=new DotvvmDomUtils,this.fileUpload=new DotvvmFileUpload,this.extensions={},this.isPostbackRunning=ko.observable(!1),this.useHistoryApiViewModel=history&&(/Chrome/.test(navigator.userAgent)&&/Google Inc/.test(navigator.vendor)||/Edge/.test(navigator.userAgent))}return e.prototype.createWindowSetTimeoutHandler=function(n){return{name:"timeout",before:["eventInvoke-postbackHandlersStarted","setIsPostbackRunning"],execute:function(e,t){return new Promise(function(e,t){return window.setTimeout(e,n)}).then(function(){return e()})}}},e.prototype.getPostbackQueue=function(e){return void 0===e&&(e="default"),this.postbackQueues[e]||(this.postbackQueues[e]={queue:[],noRunning:0}),this.postbackQueues[e]},e.prototype.isBrowserReload=function(){if(performance){if(performance.getEntriesByType){var e=performance.getEntriesByType("navigation");if(0<e.length)return"reload"===e[0].type}if(performance.navigation)return 1===performance.navigation.type}return!1},e.prototype.init=function(t,e){var n,r=this;if(this.addKnockoutBindingHandlers(),n=this.useHistoryApiViewModel&&!this.isBrowserReload()&&history.state&&history.state.dotvvm_viewmodels&&history.state.dotvvm_viewmodels[t]?__assign({},history.state.dotvvm_viewmodels[t]):JSON.parse(document.getElementById("__dot_viewmodel_"+t).value),(this.viewModels[t]=n).resources)for(var o in n.resources)this.resourceSigns[o]=!0;n.renderedResources&&n.renderedResources.forEach(function(e){return r.resourceSigns[e]=!0});var i=n.resultIdFragment,a=n.viewModel=this.serialization.deserialize(this.viewModels[t].viewModel,{},!0);this.culture=e,this.validation=new DotvvmValidation(this),this.viewModelObservables[t]=ko.observable(a),ko.applyBindings(this.viewModelObservables[t],document.documentElement),this.events.init.trigger({viewModel:a});var s=this.getSpaPlaceHolder();if(null!=s){var l=function(e){return r.handleHashChange(t,s,e)};this.useHistoryApiSpaNavigation=JSON.parse(s.getAttribute("data-dotvvm-spacontentplaceholder-usehistoryapi")),this.useHistoryApiSpaNavigation&&(l=function(e){return r.handleHashChangeWithHistory(t,s,e)});this.domUtils.attachEvent(window,"hashchange",function(){return l(!1)}),l(!0)}if(window.addEventListener("popstate",function(e){return r.handlePopState(t,e,null!=s)}),this.isViewModelUpdating=!1,i)if(s){var d=document.getElementById(i);d&&"function"==typeof d.scrollIntoView&&d.scrollIntoView(!0)}else location.hash=i;this.domUtils.attachEvent(window,"beforeunload",function(e){r.persistViewModel(t)})},e.prototype.handlePopState=function(e,t,n){if(this.spaHistory.isSpaPage(t.state)){var r=this.spaHistory.getHistoryRecord(t.state);n?this.navigateCore(e,r.url):this.performRedirect(r.url,!0),t.preventDefault()}},e.prototype.handleHashChangeWithHistory=function(e,t,n){var r=this;if(0===document.location.hash.indexOf("#!/"))this.navigateCore(e,document.location.hash.substring(2),function(e){r.spaHistory.replacePage(e)});else{var o=t.getAttribute("data-dotvvm-spacontentplaceholder-defaultroute");if(!t.hasAttribute("data-dotvvm-spacontentplaceholder-content")&&o)this.navigateCore(e,"/"+o,function(e){return r.spaHistory.replacePage(e)});else{this.isSpaReady(!0),t.style.display="";var i=location.pathname+location.search+location.hash;this.spaHistory.replacePage(i)}}},e.prototype.handleHashChange=function(e,t,n){if(0===document.location.hash.indexOf("#!/"))this.navigateCore(e,document.location.hash.substring(2));else{var r=t.getAttribute("data-dotvvm-spacontentplaceholder-defaultroute");if(r)r="#!/"+r,r=this.fixSpaUrlPrefix(r),this.performRedirect(r,n);else if(n)this.isSpaReady(!0),t.style.display="";else{var o=(r=document.location.toString()).indexOf("/","https://".length);r=0<o?r.substring(o):"/",this.navigateCore(e,r)}}},e.prototype.persistViewModel=function(e){var t=this.viewModels[e];if(this.useHistoryApiViewModel){var n=history.state?history.state:{},r=n.dotvvm_viewmodels?n.dotvvm_viewmodels:{},o=__assign({dotvvm_viewmodels:__assign((i={},i[e]=ko.toJS(t),i),r)},n);console.log(JSON.stringify(o)),history.replaceState(o,document.title)}var i,a={};for(var s in t)t.hasOwnProperty(s)&&(a[s]=t[s]);a.viewModel=this.serialization.serialize(a.viewModel,{serializeAll:!0}),document.getElementById("__dot_viewmodel_"+e).value=JSON.stringify(a)},e.prototype.backUpPostBackConter=function(){return++this.postBackCounter},e.prototype.isPostBackStillActive=function(e){return this.postBackCounter===e},e.prototype.staticCommandPostback=function(t,n,e,r,o,i){var a=this;void 0===o&&(o=function(e){}),void 0===i&&(i=function(e,t){});var s=this.serialization.serialize({args:r,command:e,$csrfToken:this.viewModels[t].viewModel.$csrfToken});dotvvm.events.staticCommandMethodInvoking.trigger(s),this.postJSON(this.viewModels[t].url,"POST",ko.toJSON(s),function(t){try{a.isViewModelUpdating=!0;var e=JSON.parse(t.responseText);dotvvm.events.staticCommandMethodInvoked.trigger(__assign({},s,{result:e,xhr:t})),o(e)}catch(e){dotvvm.events.staticCommandMethodFailed.trigger(__assign({},s,{xhr:t,error:e})),i(t,e)}finally{a.isViewModelUpdating=!1}},function(e){a.events.error.trigger(new DotvvmErrorEventArgs(n,a.viewModels[t].viewModel,t,e,null)),console.warn("StaticCommand postback failed: "+e.status+" - "+e.statusText,e),i(e),dotvvm.events.staticCommandMethodFailed.trigger(__assign({},s,{xhr:e}))},function(e){e.setRequestHeader("X-PostbackType","StaticCommand")})},e.prototype.processPassedId=function(e,t){if("string"==typeof e||null==e)return e;if("object"==typeof e&&e.expr)return this.evaluator.evaluateOnViewModel(t,e.expr);throw new Error("invalid argument")},e.prototype.getPostbackHandler=function(e){var t=this.postbackHandlers[e];if(t)return t;throw new Error("Could not find postback handler of name '"+e+"'")},e.prototype.isPostbackHandler=function(e){return e&&"function"==typeof e.execute},e.prototype.findPostbackHandlers=function(r,e){function o(e,t){return!1===t.enabled?null:i.getPostbackHandler(e)(t)}var i=this;return e.map(function(e){return"string"==typeof e?o(e,{}):i.isPostbackHandler(e)?e:e instanceof Array?(t=e[0],n=e[1],o(t,"function"==typeof n?n(r,r.$data):n)):o(e.name,e.options&&e.options(r));var t,n}).filter(function(e){return null!=e})},e.prototype.sortHandlers=function(o){for(var n=function(){for(var t={},e=0,n=o;e<n.length;e++){var r=n[e];null!=r.name&&(t[r.name]=r)}return function(e){return"string"==typeof e?t[e]:e}}(),a=o.map(function(e,t){return e["@sort_index"]=t,{handler:e,deps:(e.after||[]).map(n)}}),e=0,t=o;e<t.length;e++){var r=t[e];if(r.before)for(var i=0,s=r.before.map(n);i<s.length;i++){var l=s[i];if(l){var d=l["@sort_index"];a[d].deps.push(r)}}}for(var u=[],v=new Uint8Array(a.length),c=function(e){switch(v[e]){case 0:break;case 1:throw new Error("Cyclic PostbackHandler dependency found.");case 2:return;default:throw new Error("")}if(1!=v[e]){v[e]=1;for(var t=a[e],n=t.handler,r=0,o=t.deps;r<o.length;r++){var i=o[r];c(i["@sort_index"])}v[e]=2,u.push(n)}},p=0;p<a.length;p++)c(p);return u},e.prototype.applyPostbackHandlersCore=function(e,r,t){function n(e){return"function"==typeof e?e:function(){return Promise.resolve(new DotvvmAfterPostBackEventArgs(r,null,e))}}return null==t||0===t.length?e(r).then(n,function(e){return Promise.reject(e)}):this.sortHandlers(t).reduceRight(function(e,t,n){return function(){return t.execute(e,r)}},function(){return e(r).then(n,function(e){return Promise.reject(e)})})()},e.prototype.applyPostbackHandlers=function(e,t,n,r,o,i,a){void 0===r&&(r=[]),void 0===o&&(o=ko.contextFor(t)),void 0===i&&(i=o.$root);var s=new PostbackOptions(this.backUpPostBackConter(),t,r,i,a),l=this.applyPostbackHandlersCore(e,s,this.findPostbackHandlers(o,this.globalPostbackHandlers.concat(n||[]).concat(this.globalLaterPostbackHandlers))).then(function(e){return e()},function(e){return Promise.reject(e)});return l.catch(function(e){e&&console.log("Rejected: "+e)}),l},e.prototype.postbackCore=function(v,r,o,i,a,s){var c=this;return new Promise(function(e,t){var d=v.viewModelName,u=c.viewModels[d].viewModel;c.lastStartedPostack=v.postbackId,c.updateDynamicPathFragments(a,r);var n={viewModel:c.serialization.serialize(u,{pathMatcher:function(e){return a&&e==a.$data}}),currentPath:r,command:o,controlUniqueId:c.processPassedId(i,a),additionalData:v.additionalPostbackData,renderedResources:c.viewModels[d].renderedResources,commandArgs:s};c.postJSON(c.viewModels[d].url,"POST",ko.toJSON(n),function(l){dotvvm.events.postbackResponseReceived.trigger({}),e(function(){return new Promise(function(i,a){dotvvm.events.postbackCommitInvoked.trigger({});var e=l.getResponseHeader("Location"),s=null!=e&&0<e.length?{action:"redirect",url:e}:JSON.parse(l.responseText);!s.viewModel&&s.viewModelDiff&&(s.viewModel=c.patch(n.viewModel,s.viewModelDiff)),c.loadResourceList(s.resources,function(){var e=!1;if("successfulCommand"===s.action){try{c.isViewModelUpdating=!0;var t=c.cleanUpdatedControls(s);s.viewModel&&(ko.delaySync.pause(),c.serialization.deserialize(s.viewModel,c.viewModels[d].viewModel),ko.delaySync.resume()),e=!0,c.cleanUpdatedControls(s,t),c.restoreUpdatedControls(s,t,!0)}finally{c.isViewModelUpdating=!1}dotvvm.events.postbackViewModelUpdated.trigger({})}else if("redirect"===s.action)return c.handleRedirect(s,d),i();var n=s.resultIdFragment;if(n)if(c.getSpaPlaceHolder()||location.hash=="#"+n){var r=document.getElementById(n);r&&"function"==typeof r.scrollIntoView&&r.scrollIntoView(!0)}else location.hash=n;if(e){var o=new DotvvmAfterPostBackEventArgs(v,s,s.commandResult,l);i(o)}else a(new DotvvmErrorEventArgs(v.sender,u,d,l,v.postbackId,s))})})})},function(e){t({type:"network",options:v,args:new DotvvmErrorEventArgs(v.sender,u,d,e,v.postbackId)})})})},e.prototype.handleSpaNavigation=function(e){return"_blank"==e.getAttribute("target")||this.handleSpaNavigationCore(e.getAttribute("href"))},e.prototype.handleSpaNavigationCore=function(e){var t=this;if(e&&0===e.indexOf("/")){return e=this.removeVirtualDirectoryFromUrl(e,"root"),this.navigateCore("root",e,function(e){history.state&&history.state.url==e||t.spaHistory.pushPage(e)}),!1}return!0},e.prototype.postBack=function(e,t,n,r,o,i,a,s){var l=this;i=i||ko.contextFor(t);var d=this.findPostbackHandlers(i,this.globalPostbackHandlers.concat(a||[]).concat(this.globalLaterPostbackHandlers));0==d.filter(function(e){return e.name&&0==e.name.indexOf("concurrency-")}).length&&d.push(this.defaultConcurrencyPostbackHandler);var u=new PostbackOptions(this.backUpPostBackConter(),t,s,i.$data,e),v=this.applyPostbackHandlersCore(function(e){return l.postbackCore(e,n,r,o,i,s)},u,d).then(function(e){return e().then(function(e){return e},function(e){return Promise.reject({type:"commit",args:e})})},function(e){return Promise.reject(e)});return v.then(function(e){return e&&l.events.afterPostback.trigger(e)},function(e){var t=new DotvvmAfterPostBackEventArgs(u,"commit"==e.type&&e.args?e.args.serverResponseObject:null,u.postbackId);"handler"==e.type||"event"==e.type?(t.wasInterrupted=!0,l.events.postbackRejected.trigger({})):"network"==e.type&&l.events.error.trigger(e.args),l.events.afterPostback.trigger(t)}),v},e.prototype.loadResourceList=function(e,t){var n="";for(var r in e){if(!/^__noname_\d+$/.test(r)){if(this.resourceSigns[r])continue;this.resourceSigns[r]=!0}n+=e[r]+" "}if(""!==n.trim()){var o=document.createElement("div");o.innerHTML=n;for(var i=[],a=0;a<o.children.length;a++)i.push(o.children.item(a));this.loadResourceElements(i,0,t)}else setTimeout(t,4)},e.prototype.loadResourceElements=function(e,t,n){var r=this;if(t>=e.length)n();else{var o=e[t],i=!1;if("script"==o.tagName.toLowerCase()){var a=document.createElement("script");o.src&&(a.src=o.src,i=!0),o.type&&(a.type=o.type),o.text&&(a.text=o.text),o=a}else if("link"==o.tagName.toLowerCase()){var s=document.createElement("link");o.href&&(s.href=o.href),o.rel&&(s.rel=o.rel),o.type&&(s.type=o.type),o=s}i&&(o.onload=function(){return r.loadResourceElements(e,t+1,n)}),document.head.appendChild(o),i||this.loadResourceElements(e,t+1,n)}},e.prototype.getSpaPlaceHolder=function(){var e=document.getElementsByName("__dot_SpaContentPlaceHolder");return 1==e.length?e[0]:null},e.prototype.navigateCore=function(a,e,t){var s=this,n=this.viewModels[a].viewModel,r=this.backUpPostBackConter(),o=new DotvvmSpaNavigatingEventArgs(n,a,e);if(this.events.spaNavigating.trigger(o),!o.cancel){var i=this.viewModels[a].virtualDirectory||"",l="/___dotvvm-spa___"+this.addLeadingSlash(e),d=this.addLeadingSlash(this.concatUrl(i,l)),u=this.getSpaPlaceHolder();if(u){t&&t(this.addLeadingSlash(this.concatUrl(i,this.addLeadingSlash(e))));var v=u.attributes["data-dotvvm-spacontentplaceholder"].value;this.getJSON(d,"GET",v,function(o){if(s.isPostBackStillActive(r)){var i=JSON.parse(o.responseText);s.loadResourceList(i.resources,function(){var e=!1;if("successfulCommand"!==i.action&&i.action){if("redirect"===i.action)return void s.handleRedirect(i,a,!0)}else try{s.isViewModelUpdating=!0;var t=s.cleanUpdatedControls(i);for(var n in s.viewModels[a]={},i)i.hasOwnProperty(n)&&(s.viewModels[a][n]=i[n]);ko.delaySync.pause(),s.serialization.deserialize(i.viewModel,s.viewModels[a].viewModel),ko.delaySync.resume(),e=!0,s.viewModelObservables[a](s.viewModels[a].viewModel),s.restoreUpdatedControls(i,t,!0),s.isSpaReady(!0)}finally{s.isViewModelUpdating=!1}var r=new DotvvmSpaNavigatedEventArgs(s.viewModels[a].viewModel,a,i,o);if(s.events.spaNavigated.trigger(r),!e&&!r.isHandled)throw"Invalid response from server!"})}},function(e){if(s.isPostBackStillActive(r)){var t=new DotvvmErrorEventArgs(void 0,n,a,e,-1,void 0,!0);s.events.error.trigger(t),t.handled||alert(e.responseText)}})}else document.location.href=d}},e.prototype.handleRedirect=function(e,t,n){var r;void 0===n&&(n=!1),null!=e.replace&&(n=e.replace),r=this.getSpaPlaceHolder()&&!this.useHistoryApiSpaNavigation&&e.url.indexOf("//")<0&&e.allowSpa?("#!"===(r="#!"+this.removeVirtualDirectoryFromUrl(e.url,t))&&(r="#!/"),this.fixSpaUrlPrefix(r)):e.url;var o=new DotvvmRedirectEventArgs(dotvvm.viewModels[t],t,r,n);this.events.redirect.trigger(o),this.performRedirect(r,n,e.allowSpa&&this.useHistoryApiSpaNavigation)},e.prototype.performRedirect=function(e,t,n){if(t)location.replace(e);else if(n)this.handleSpaNavigationCore(e);else{var r=this.fakeRedirectAnchor;r||((r=document.createElement("a")).style.display="none",r.setAttribute("data-dotvvm-fake-id","dotvvm_fake_redirect_anchor_87D7145D_8EA8_47BA_9941_82B75EE88CDB"),document.body.appendChild(r),this.fakeRedirectAnchor=r),r.href=e,r.click()}},e.prototype.fixSpaUrlPrefix=function(e){var t=this.getSpaPlaceHolder().attributes["data-dotvvm-spacontentplaceholder-urlprefix"];if(!t)return e;var n=t.value;return n!==document.location.pathname&&(""===n&&(n="/"),e=n+e),e},e.prototype.removeVirtualDirectoryFromUrl=function(e,t){var n="/"+this.viewModels[t].virtualDirectory;return 0==e.indexOf(n)?this.addLeadingSlash(e.substring(n.length)):e},e.prototype.addLeadingSlash=function(e){return 0<e.length&&"/"!=e.substring(0,1)?"/"+e:e},e.prototype.concatUrl=function(e,t){return 0<e.length&&"/"==e.substring(e.length-1)&&(e=e.substring(0,e.length-1)),e+this.addLeadingSlash(t)},e.prototype.patch=function(n,e){var r=this;if(n instanceof Array&&e instanceof Array)return e.map(function(e,t){return r.patch(n[t],e)});if(n instanceof Array||e instanceof Array)return e;if("object"!=typeof n||"object"!=typeof e||!n||!e)return e;for(var t in e)null==e[t]?n[t]=null:null==n[t]?n[t]=e[t]:n[t]=this.patch(n[t],e[t]);return n},e.prototype.updateDynamicPathFragments=function(e,t){for(var n=t.length-1;0<=n;n--)0<=t[n].indexOf("[$index]")&&(t[n]=t[n].replace("[$index]","["+e.$index()+"]")),0<=t[n].indexOf("[$indexPath]")&&(t[n]=t[n].replace("[$indexPath]","["+e.$indexPath.map(function(e){return e()}).join("]/[")+"]")),e=e.$parentContext},e.prototype.postJSON=function(e,t,n,r,o,i){void 0===i&&(i=function(e){});var a=this.getXHR();a.open(t,e,!0),a.setRequestHeader("Content-Type","application/json"),a.setRequestHeader("X-DotVVM-PostBack","true"),a.setRequestHeader("X-Requested-With","XMLHttpRequest"),i(a),a.onreadystatechange=function(){a.readyState===XMLHttpRequest.DONE&&(a.status<400?r(a):o(a))},a.send(n)},e.prototype.getJSON=function(e,t,n,r,o){var i=this.getXHR();i.open(t,e,!0),i.setRequestHeader("Content-Type","application/json"),i.setRequestHeader("X-DotVVM-SpaContentPlaceHolder",n),i.onreadystatechange=function(){i.readyState===XMLHttpRequest.DONE&&(i.status<400?r(i):o(i))},i.send()},e.prototype.getXHR=function(){return XMLHttpRequest?new XMLHttpRequest:new window.ActiveXObject("Microsoft.XMLHTTP")},e.prototype.cleanUpdatedControls=function(e,t){for(var n in void 0===t&&(t={}),e.updatedControls)if(e.updatedControls.hasOwnProperty(n)){var r=document.getElementByDotvvmId(n);if(r){var o=ko.contextFor(r),i=r.nextSibling,a=r.parentNode;ko.removeNode(r),t[n]={control:r,nextSibling:i,parent:a,dataContext:o}}}return t},e.prototype.restoreUpdatedControls=function(n,r,e){var o=this;for(var t in n.updatedControls)if(n.updatedControls.hasOwnProperty(t)){var i=r[t];if(i){var a=document.createElement(r[t].parent.tagName||"div");if(a.innerHTML=n.updatedControls[t],1<a.childElementCount)throw new Error("Postback.Update control can not render more than one element");var s=a.firstElementChild;if(null==s.id)throw new Error("Postback.Update control always has to render id attribute.");s.id!==r[t].control.id&&console.log("Postback.Update control changed id from '"+r[t].control.id+"' to '"+s.id+"'"),a.removeChild(s),i.nextSibling?i.parent.insertBefore(s,i.nextSibling):i.parent.appendChild(s)}}e&&window.setTimeout(function(){try{for(var e in o.isViewModelUpdating=!0,n.updatedControls){var t=document.getElementByDotvvmId(e);t&&ko.applyBindings(r[e].dataContext,t)}}finally{o.isViewModelUpdating=!1}},0)},e.prototype.unwrapArrayExtension=function(e){return ko.unwrap(ko.unwrap(e))},e.prototype.buildRouteUrl=function(e,a){var t=(e="/"+e).replace(/(\/[^\/]*?)\{([^\}]+?)\??(:(.+?))?\}/g,function(e,t,n,r,o){if(!n)return"";var i=ko.unwrap(a[n.toLowerCase()]);return null==i?"":t+i});return 0===t.indexOf("/")?t.substring(1):t},e.prototype.buildUrlSuffix=function(e,t){var n,r;for(var o in r=-1!==e.indexOf("#")?(n=e.substring(0,e.indexOf("#")),e.substring(e.indexOf("#"))):(n=e,""),t)if(t.hasOwnProperty(o)){if(!o)continue;var i=ko.unwrap(t[o]);if(null==i)continue;n=n.concat(-1!==n.indexOf("?")?"&"+o+"="+i:"?"+o+"="+i)}return n.concat(r)},e.prototype.isPostBackProhibited=function(e){return!!(e&&e.tagName&&-1<["a","input","button"].indexOf(e.tagName.toLowerCase())&&e.getAttribute("disabled"))},e.prototype.addKnockoutBindingHandlers=function(){function v(n,r){void 0===r&&(r=null);var e=ko.pureComputed({read:function(){var e=n();return ko.unwrap(e)},write:function(e){var t=n();ko.isObservable(t)?t(e):console.warn("Attempted to write to readonly property"+(null==r?"":" "+r)+".")}});return e.wrappedProperty=n,e}ko.virtualElements.allowedBindings.dotvvm_withControlProperties=!0,ko.bindingHandlers.dotvvm_withControlProperties={init:function(e,t,n,r,o){if(!o)throw new Error;var i=t();for(var a in i)i[a]=v(function(){var e=t()[this.prop];return ko.isObservable(e)?e:dotvvm.serialization.deserialize(e)}.bind({prop:a}),"'"+a+"' at '"+t.toString()+"'");var s=o.extend({$control:i});return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}},update:function(e,t,n,r,o){}},ko.virtualElements.allowedBindings.dotvvm_introduceAlias=!0,ko.bindingHandlers.dotvvm_introduceAlias={init:function(e,t,n,r,o){if(!o)throw new Error;var i=t(),a={};for(var s in i){for(var l=s.split("."),d=a;0<l.length-1;0)d=a[l[0]]||(a[l[0]]={});d[l[l.length-1]]=v(function(){return t()[this.prop]}.bind({prop:s}),"'"+s+"' at '"+t.toString()+"'")}var u=o.extend(a);return e.innerBindingContext=u,ko.applyBindingsToDescendants(u,e),{controlsDescendantBindings:!0}}};var l="$foreachCollectionSymbol";ko.virtualElements.allowedBindings["dotvvm-SSR-foreach"]=!0,ko.bindingHandlers["dotvvm-SSR-foreach"]={init:function(e,t,n,r,o){if(!o)throw new Error;var i,a=t(),s=o.extend(((i={})[l]=a.data,i));return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}}},ko.virtualElements.allowedBindings["dotvvm-SSR-item"]=!0,ko.bindingHandlers["dotvvm-SSR-item"]={init:function(e,t,n,r,o){if(!o)throw new Error;var i=t(),a=o[l],s=o.createChildContext(function(){return ko.unwrap((ko.unwrap(a)||[])[i])}).extend({$index:ko.pureComputed(function(){return i})});return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}}},ko.virtualElements.allowedBindings.withGridViewDataSet=!0,ko.bindingHandlers.withGridViewDataSet={init:function(e,t,n,r,o){if(!o)throw new Error;var i,a=t(),s=o.extend(((i={$gridViewDataSet:a})[l]=dotvvm.evaluator.getDataSourceItems(a),i));return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}},update:function(e,t,n,r,o){}},ko.bindingHandlers.dotvvmEnable={update:function(e,t){var n=ko.utils.unwrapObservable(t());n&&e.disabled?(e.disabled=!1,e.removeAttribute("disabled")):n||e.disabled||(e.disabled=!0,e.setAttribute("disabled","disabled"))}},ko.bindingHandlers["dotvvm-checkbox-updateAfterPostback"]={init:function(e,t,r,n,o){dotvvm.events.afterPostback.subscribe(function(e){var t=r();if(t["dotvvm-checked-pointer"]){var n=t[t["dotvvm-checked-pointer"]];ko.isObservable(n)&&(n.valueHasMutated?n.valueHasMutated():n.notifySubscribers())}})}},ko.bindingHandlers["dotvvm-checked-pointer"]={init:function(e,t,n,r,o){}},ko.bindingHandlers["dotvvm-UpdateProgress-Visible"]={init:function(t,e,n,r,o){t.style.display="none";var i,a=t.getAttribute("data-delay"),s=!1;dotvvm.isPostbackRunning.subscribe(function(e){e?s||(s=!0,null==a?t.style.display="":i=setTimeout(function(e){t.style.display=""},a)):(s=!1,clearTimeout(i),t.style.display="none")})}},ko.bindingHandlers["dotvvm-table-columnvisible"]={init:function(e,t,n,r,o){var i="",a=!0;if(e instanceof HTMLTableCellElement){for(var s=e;!(s instanceof HTMLTableElement);)s=s.parentElement;var l=s.rows.item(0);if(!l)throw Error("Table with dotvvm-table-columnvisible binding handler must not be empty.");var d=[].slice.call(l.cells).indexOf(e);e.dotvvmChangeVisibility=function(e,t,n){if(a!=n){a=n;for(var r=0;r<e.rows.length;r++){var o=e.rows.item(r).cells[t].style;n?o.display=i:(i=o.display||"",o.display="none")}}}.bind(null,s,d)}},update:function(e,t){e.dotvvmChangeVisibility(ko.unwrap(t()))}},ko.bindingHandlers["dotvvm-textbox-text"]={init:function(r,e,t,n,o){var i=e(),a=(t.get("valueUpdate"),new DotvvmValidationElementMetadata);a.element=r,a.dataType=(r.attributes["data-dotvvm-value-type"]||{value:""}).value,a.format=(r.attributes["data-dotvvm-format"]||{value:""}).value;var s=null;s=ko.isObservable(i)?(i.dotvvmMetadata?(i.dotvvmMetadata.elementsMetadata||(i.dotvvmMetadata.elementsMetadata=[]),i.dotvvmMetadata.elementsMetadata.push(a)):(i.dotvvmMetadata=new DotvvmValidationObservableMetadata,i.dotvvmMetadata.elementsMetadata=[a]),i.dotvvmMetadata.elementsMetadata):new DotvvmValidationObservableMetadata,setTimeout(function(r,o){ko.utils.domNodeDisposal.addDisposeCallback(o,function(){for(var e=0,t=r;e<t.length;e++){var n=t[e];if(n.element===o){r.splice(r.indexOf(n),1);break}}})},0,s,r),dotvvm.domUtils.attachEvent(r,"change",function(){if(ko.isObservable(i)){var e,t;if("datetime"===a.dataType){var n=i();null!=n&&(n=dotvvm.globalize.parseDotvvmDate(n)),t=null==(e=dotvvm.globalize.parseDate(r.value,a.format,n))?null:dotvvm.serialization.serializeDate(e,!1)}else t=null===(e=dotvvm.globalize.parseNumber(r.value))||isNaN(e)?null:e;null==t&&null!==r.value&&""!==r.value?(r.attributes["data-invalid-value"]=r.value,r.attributes["data-dotvvm-value-type-valid"]=!1,a.elementValidationState=!1):(r.attributes["data-invalid-value"]=null,r.attributes["data-dotvvm-value-type-valid"]=!0,a.elementValidationState=!0),i()===t?i.valueHasMutated?i.valueHasMutated():i.notifySubscribers():i(t)}})},update:function(e,t,n,r,o){var i=t(),a=(e.attributes["data-dotvvm-format"]||{value:""}).value,s=ko.unwrap(i);if(a){var l=dotvvm.globalize.formatString(a,s),d=e.attributes["data-invalid-value"];if(null==d){if(e.value=l||"",i.dotvvmMetadata&&i.dotvvmMetadata.elementsMetadata)for(var u=0,v=i.dotvvmMetadata.elementsMetadata;u<v.length;u++){var c=v[u];c.element===e&&(e.attributes["data-dotvvm-value-type-valid"]=!0,c.elementValidationState=!0)}}else e.attributes["data-invalid-value"]=null,e.value=d}else e.value=s}},ko.bindingHandlers["dotvvm-textbox-select-all-on-focus"]={init:function(e,t,n,r,o){e.$selectAllOnFocusHandler=function(){e.select()}},update:function(e,t,n,r,o){!0===ko.unwrap(t())?e.addEventListener("focus",e.$selectAllOnFocusHandler):e.removeEventListener("focus",e.$selectAllOnFocusHandler)}},ko.bindingHandlers["dotvvm-CheckState"]={init:function(e,t,n,r,o){ko.getBindingHandler("checked").init(e,t,n,r,o)},update:function(e,t,n){var r=ko.unwrap(t());e.indeterminate=null==r}}},e}(),DotvvmValidationContext=function(e,t,n){this.valueToValidate=e,this.parentViewModel=t,this.parameters=n},DotvvmValidationObservableMetadata=function(){},DotvvmValidationElementMetadata=function(){this.elementValidationState=!0},DotvvmValidatorBase=function(){function e(){}return e.prototype.isValid=function(e,t){return!1},e.prototype.isEmpty=function(e){return null==e||"string"==typeof e&&""===e.trim()},e.prototype.getValidationMetadata=function(e){return e.dotvvmMetadata},e}(),DotvvmRequiredValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate;return!this.isEmpty(t)},t}(DotvvmValidatorBase),DotvvmRegularExpressionValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate,n=e.parameters[0];return this.isEmpty(t)||new RegExp(n).test(t)},t}(DotvvmValidatorBase),DotvvmIntRangeValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate,n=e.parameters[0],r=e.parameters[1];return t%1==0&&n<=t&&t<=r},t}(DotvvmValidatorBase),DotvvmEnforceClientFormatValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e,t){var n=!0;e.parameters[0]||null!=e.valueToValidate||(n=!1),e.parameters[1]||0!==e.valueToValidate.length||(n=!1),!e.parameters[2]&&this.isEmpty(e.valueToValidate)&&(n=!1);var r=this.getValidationMetadata(t);if(r&&r.elementsMetadata)for(var o=0,i=r.elementsMetadata;o<i.length;o++){i[o].elementValidationState||(n=!1)}return n},t}(DotvvmValidatorBase),DotvvmRangeValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e,t){var n=e.valueToValidate,r=e.parameters[0],o=e.parameters[1];return r<=n&&n<=o},t}(DotvvmValidatorBase),DotvvmNotNullValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){return null!==e.valueToValidate&&void 0!==e.valueToValidate},t}(DotvvmValidatorBase),DotvvmEmailAddressValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate;if(null==t)return!0;if("string"!=typeof t)return!1;for(var n=!1,r=0;r<t.length;r++)if("@"==t[r]){if(n||0==r||r==t.length-1)return!1;n=!0}return n},t}(DotvvmValidatorBase),ValidationError=function(){function e(e,t){this.validatedObservable=e,this.errorMessage=t}return e.getOrCreate=function(e){if(e.wrappedProperty){var t=e.wrappedProperty();ko.isObservable(t)&&(e=t)}return e.validationErrors||(e.validationErrors=ko.observableArray()),e.validationErrors},e.isValid=function(e){return!e.validationErrors||0===e.validationErrors().length},e.prototype.clear=function(e){this.validatedObservable.validationErrors.remove(this),e.errors.remove(this)},e}(),DotvvmValidation=function(){function e(i){var d=this;this.rules={required:new DotvvmRequiredValidator,regularExpression:new DotvvmRegularExpressionValidator,intrange:new DotvvmIntRangeValidator,range:new DotvvmRangeValidator,emailAddress:new DotvvmEmailAddressValidator,notnull:new DotvvmNotNullValidator,enforceClientFormat:new DotvvmEnforceClientFormatValidator},this.errors=ko.observableArray([]),this.events={validationErrorsChanged:new DotvvmEvent("dotvvm.validation.events.validationErrorsChanged")},this.elementUpdateFunctions={hideWhenValid:function(e,t,n){0<t.length?e.style.display="":e.style.display="none"},invalidCssClass:function(e,t,n){if(0<t.length)e.className+=" "+n;else{var r=n.split(" ");e.className=e.className.split(" ").filter(function(e){return r.indexOf(e)<0}).join(" ")}},setToolTipText:function(e,t,n){0<t.length?e.title=t.join(", "):e.title=""},showErrorMessageText:function(e,t,n){e[e.innerText?"innerText":"textContent"]=t.join(", ")}};function t(o){return{execute:function(e,t){if(o){t.additionalPostbackData.validationTargetPath=o;var n=ko.contextFor(t.sender),r=i.evaluator.evaluateOnViewModel(n,o);if(d.errors([]),d.clearValidationErrors(i.viewModelObservables[t.viewModelName||"root"]),d.validateViewModel(r),0<d.errors().length)return console.log("Validation failed: postback aborted; errors: ",d.errors()),Promise.reject({type:"handler",handler:d,message:"Validation failed"});d.events.validationErrorsChanged.trigger({viewModel:t.viewModel})}return e()}}}i.postbackHandlers.validate=function(e){return t(e.path)},i.postbackHandlers["validate-root"]=function(){return t("dotvvm.viewModelObservables['root']")},i.postbackHandlers["validate-this"]=function(){return t("$data")},i.events.afterPostback.subscribe(function(e){!e.wasInterrupted&&e.serverResponseObject&&("successfulCommand"===e.serverResponseObject.action?(d.mergeValidationRules(e),e.isHandled=!0):"validationErrors"===e.serverResponseObject.action&&(d.showValidationErrorsFromServer(e),e.isHandled=!0)),d.events.validationErrorsChanged.trigger(e)}),i.events.spaNavigating.subscribe(function(e){d.clearValidationErrors(i.viewModelObservables[e.viewModelName])}),ko.bindingHandlers.dotvvmValidation={init:function(t,e,n,r,o){var i=e();if(ko.isObservable(i)){function a(e,t){for(var n in s)s.hasOwnProperty(n)&&d.elementUpdateFunctions[n](e,t.map(function(e){return e.errorMessage}),s[n])}var s=n.get("dotvvmValidationOptions"),l=ValidationError.getOrCreate(i);l.subscribe(function(e){return a(t,e)}),a(t,l())}}}}return e.prototype.validateViewModel=function(e){if(ko.isObservable(e)&&(e=ko.unwrap(e)),e){var t=ko.unwrap(e.$type),n=(dotvvm.viewModels.root.validationRules||{})[t]||{};for(var r in e)if(e.hasOwnProperty(r)&&0!==r.indexOf("$")){var o=e[r];if(o&&ko.isObservable(o)){var i=e[r]();n.hasOwnProperty(r)&&this.validateProperty(e,o,i,n[r]);var a=e[r+"$options"];if(a&&a.type&&ValidationError.isValid(o)&&!dotvvm.serialization.validateType(i,a.type)){var s=new ValidationError(o,"The value of property "+r+" ("+i+") is invalid value for type "+a.type+".");this.addValidationError(o,s)}if(i)if(Array.isArray(i))for(var l=0,d=i;l<d.length;l++){var u=d[l];this.validateViewModel(u)}else i&&i instanceof Object&&this.validateViewModel(i)}}}},e.prototype.validateProperty=function(e,t,n,r){for(var o=0,i=r;o<i.length;o++){var a=i[o],s=this.rules[a.ruleName],l=new DotvvmValidationContext(n,e,a.parameters);if(!s.isValid(l,t)){ValidationError.getOrCreate(t);var d=new ValidationError(t,a.errorMessage);this.addValidationError(t,d)}}},e.prototype.mergeValidationRules=function(e){if(e.serverResponseObject.validationRules){var t=dotvvm.viewModels[e.viewModelName].validationRules;for(var n in void 0===t&&(dotvvm.viewModels[e.viewModelName].validationRules={},t=dotvvm.viewModels[e.viewModelName].validationRules),e.serverResponseObject.validationRules)e.serverResponseObject.validationRules.hasOwnProperty(n)&&(t[n]=e.serverResponseObject.validationRules[n])}},e.prototype.clearValidationErrors=function(e){if(e&&ko.isObservable(e)){if(e.validationErrors)for(var t=0,n=e.validationErrors();t<n.length;t++){n[t].clear(this)}var r=e();if(r){if(Array.isArray(r))for(var o=0,i=r;o<i.length;o++){var a=i[o];this.clearValidationErrors(a)}for(var s in r)if(r.hasOwnProperty(s)&&0!==s.indexOf("$")){var l=r[s];this.clearValidationErrors(l)}}}},e.prototype.getValidationErrors=function(e,t,n,r){if(void 0===r&&(r=!0),!e)return[];var o=[];if(n&&(o=o.concat(ValidationError.getOrCreate(e)())),r){var i=ko.unwrap(e);if(Array.isArray(i))for(var a=0,s=i;a<s.length;a++){var l=s[a];o=o.concat(this.getValidationErrors(l,t,!0,t))}else for(var d in i)if(i.hasOwnProperty(d)&&0!==d.indexOf("$")){var u=i[d];u&&ko.isObservable(u)&&(o=o.concat(this.getValidationErrors(u,t,!0,t)))}}return o},e.prototype.showValidationErrorsFromServer=function(e){var t=ko.contextFor(e.sender),n=dotvvm.evaluator.evaluateOnViewModel(t,e.postbackOptions.additionalPostbackData.validationTargetPath);if(n){this.clearValidationErrors(dotvvm.viewModelObservables[e.viewModelName]);for(var r=e.serverResponseObject.modelState,o=0;o<r.length;o++){var i,a=r[o].propertyPath;i=a?(ko.isObservable(n)&&(n=ko.unwrap(n)),dotvvm.evaluator.evaluateOnViewModel(n,a)):n;var s=new ValidationError(i,r[o].errorMessage);this.addValidationError(i,s)}}},e.prototype.addValidationError=function(e,t){ValidationError.getOrCreate(e).indexOf(t)<0&&(e.validationErrors.push(t),this.errors.push(t))},e}(),DotvvmEvaluator=function(){function DotvvmEvaluator(){}return DotvvmEvaluator.prototype.evaluateOnViewModel=function(context,expression){var result;return result=context&&context.$data?eval("(function ($context) { with($context) { with ($data) { return "+expression+"; } } })")(context):eval("(function ($context) { var $data=$context; with($context) { return "+expression+"; } })")(context),result&&result.$data&&(result=result.$data),result},DotvvmEvaluator.prototype.evaluateOnContext=function(e,t){var n=!1;for(var r in e)if(0===t.indexOf(r)){n=!0;break}return n||(t="$data."+t),this.evaluateOnViewModel(e,t)},DotvvmEvaluator.prototype.getDataSourceItems=function(e){var t=ko.unwrap(e);return void 0===t||null==t?[]:ko.unwrap(t.Items||t)},DotvvmEvaluator.prototype.tryEval=function(e){try{return e()}catch(e){return null}},DotvvmEvaluator.prototype.isObservableArray=function(e){return ko.isComputed(e)?Array.isArray(e.peek()):!!ko.isObservable(e)&&"push"in e},DotvvmEvaluator.prototype.wrapObservable=function(n,e){var r=this,t=ko.pureComputed({read:function(){return ko.unwrap(r.getExpressionResult(n))},write:function(e){return r.updateObservable(n,e)}});return e&&(t.push=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"push",e)},t.pop=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"pop",e)},t.unshift=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"unshift",e)},t.shift=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"shift",e)},t.reverse=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"reverse",e)},t.sort=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"sort",e)},t.splice=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"splice",e)},t.slice=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"slice",e)},t.replace=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"replace",e)},t.indexOf=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"indexOf",e)},t.remove=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"remove",e)},t.removeAll=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"removeAll",e)},t=t.extend({trackArrayChanges:!0})),t.extend({notify:"always"})},DotvvmEvaluator.prototype.updateObservable=function(e,t){var n=this.getExpressionResult(e);ko.isWriteableObservable(n)?n(t):console.error("Cannot write a value to ko.computed because the expression '"+e+"' does not return a writable observable.")},DotvvmEvaluator.prototype.updateObservableArray=function(e,t,n){var r=this.getExpressionResult(e);this.isObservableArray(r)?r[t].apply(r,n):console.error("Cannot execute '"+t+"' function on ko.computed because the expression '"+e+"' does not return an observable array.")},DotvvmEvaluator.prototype.getExpressionResult=function(e){var t=e();return ko.isComputed(t)&&"wrappedProperty"in t&&(t=t.wrappedProperty()),t},DotvvmEvaluator}(),DotvvmEventHub=function(){function e(){this.map={}}return e.prototype.notify=function(e){e in this.map?this.map[e].notifySubscribers():this.map[e]=ko.observable(0)},e.prototype.get=function(e){return this.map[e]||(this.map[e]=ko.observable(0))},e}();function basicAuthenticatedFetch(t,n){var r=sessionStorage.getItem("someAuth");return null!=r&&(null==n&&(n={}),null==n.headers&&(n.headers={}),null==n.headers.Authorization&&(n.headers.Authorization="Basic "+btoa(r))),null==n&&(n={}),n.cache||(n.cache="no-cache"),window.fetch(t,n).then(function(e){return 401===e.status&&null==r?(null==sessionStorage.getItem("someAuth")&&function(){var e=prompt("You credentials for "+(t.url||t))||"";sessionStorage.setItem("someAuth",e)}(),basicAuthenticatedFetch(t,n)):e})}!function(){var a={};DotVVM.prototype.invokeApiFn=function(n,e,o,t){void 0===e&&(e=[]),void 0===o&&(o=[]),void 0===t&&(t=n.toString());var i=a[t]||(a[t]=ko.observable(null)),r=ko.pureComputed(function(){return i()});return r.refreshValue=function(e){var t=i.promise;if(i.isLoading||(i.isLoading=!0,t=function(){try{return{type:"result",result:window.Promise.resolve(ko.ignoreDependencies(n)).then(function(e){e&&(i(ko.unwrap(dotvvm.serialization.deserialize(e,i))),i.notifySubscribers());for(var t=0,n=o;t<n.length;t++){var r=n[t];dotvvm.eventHub.notify(r)}return e},console.warn)}}catch(e){return console.warn(e),{type:"error",error:e}}}(),i.promise=t),"error"!=t.type)return t.result.then(function(e){return i.isLoading=!1},function(e){return i.isLoading=!1}),t.result;if(i.isLoading=!1,e)throw t.error},i.peek()||r.refreshValue(),ko.computed(function(){return e.map(function(e){return"string"==typeof e?dotvvm.eventHub.get(e)():e()})}).subscribe(function(e){return r.refreshValue()}),r},DotVVM.prototype.apiRefreshOn=function(e,t){return"function"!=typeof e.refreshValue&&console.error("The object is not refreshable"),t.subscribe(function(){"function"!=typeof e.refreshValue&&console.error("The object is not refreshable"),e.refreshValue&&e.refreshValue()}),e},DotVVM.prototype.api={},DotVVM.prototype.eventHub=new DotvvmEventHub}();
\ No newline at end of file
+var __assign=this&&this.__assign||Object.assign||function(e){for(var t,n=1,r=arguments.length;n<r;n++)for(var o in t=arguments[n])Object.prototype.hasOwnProperty.call(t,o)&&(e[o]=t[o]);return e},__extends=this&&this.__extends||function(){var r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n])};return function(e,t){function n(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(n.prototype=t.prototype,new n)}}();!function(){if("undefined"==typeof Promise||!self.fetch){var e=document.createElement("script");e.src=window.dotvvm__polyfillUrl,e.type="text/javascript",document.getElementsByTagName("head")[0].appendChild(e)}}();var DotvvmDomUtils=function(){function e(){}return e.prototype.onDocumentReady=function(e){/in/.test(document.readyState)?setTimeout("dotvvm.domUtils.onDocumentReady("+e+")",9):e()},e.prototype.attachEvent=function(e,t,n,r){void 0===r&&(r=!1),e.addEventListener?e.addEventListener(t,n,r):e.attachEvent("on"+t,n)},e}(),HistoryRecord=function(e,t){this.navigationType=e,this.url=t},DotvvmSpaHistory=function(){function e(){}return e.prototype.pushPage=function(e){history.pushState(new HistoryRecord("SPA",e),"",e)},e.prototype.replacePage=function(e){history.replaceState(new HistoryRecord("SPA",e),"",e)},e.prototype.isSpaPage=function(e){return e&&"SPA"==e.navigationType},e.prototype.getHistoryRecord=function(e){return e},e}(),DotvvmEvents=function(){this.init=new DotvvmEvent("dotvvm.events.init",!0),this.beforePostback=new DotvvmEvent("dotvvm.events.beforePostback"),this.afterPostback=new DotvvmEvent("dotvvm.events.afterPostback"),this.error=new DotvvmEvent("dotvvm.events.error"),this.spaNavigating=new DotvvmEvent("dotvvm.events.spaNavigating"),this.spaNavigated=new DotvvmEvent("dotvvm.events.spaNavigated"),this.redirect=new DotvvmEvent("dotvvm.events.redirect"),this.postbackHandlersStarted=new DotvvmEvent("dotvvm.events.postbackHandlersStarted"),this.postbackHandlersCompleted=new DotvvmEvent("dotvvm.events.postbackHandlersCompleted"),this.postbackResponseReceived=new DotvvmEvent("dotvvm.events.postbackResponseReceived"),this.postbackCommitInvoked=new DotvvmEvent("dotvvm.events.postbackCommitInvoked"),this.postbackViewModelUpdated=new DotvvmEvent("dotvvm.events.postbackViewModelUpdated"),this.postbackRejected=new DotvvmEvent("dotvvm.events.postbackRejected"),this.staticCommandMethodInvoking=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoking"),this.staticCommandMethodInvoked=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoked"),this.staticCommandMethodFailed=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoked")},DotvvmEventHandler=function(e,t){this.handler=e,this.isOneTime=t},DotvvmEvent=function(){function e(e,t){void 0===t&&(t=!1),this.name=e,this.triggerMissedEventsOnSubscribe=t,this.handlers=[],this.history=[]}return e.prototype.subscribe=function(e){if(this.handlers.push(new DotvvmEventHandler(e,!1)),this.triggerMissedEventsOnSubscribe)for(var t=0;t<this.history.length;t++)e(history[t])},e.prototype.subscribeOnce=function(e){this.handlers.push(new DotvvmEventHandler(e,!0))},e.prototype.unsubscribe=function(e){for(var t=0;t<this.handlers.length;t++)if(this.handlers[t].handler===e)return void this.handlers.splice(t,1)},e.prototype.trigger=function(e){for(var t=0;t<this.handlers.length;t++)this.handlers[t].handler(e),this.handlers[t].isOneTime&&(this.handlers.splice(t,1),t--);this.triggerMissedEventsOnSubscribe&&this.history.push(e)},e}(),DotvvmErrorEventArgs=function(e,t,n,r,o,i,a){void 0===i&&(i=void 0),void 0===a&&(a=!1),this.sender=e,this.viewModel=t,this.viewModelName=n,this.xhr=r,this.postbackClientId=o,this.serverResponseObject=i,this.isSpaNavigationError=a,this.handled=!1},DotvvmBeforePostBackEventArgs=function(e,t,n,r){this.sender=e,this.viewModel=t,this.viewModelName=n,this.postbackClientId=r,this.cancel=!1,this.clientValidationFailed=!1},DotvvmAfterPostBackEventArgs=function(){function e(e,t,n,r){void 0===n&&(n=null),this.postbackOptions=e,this.serverResponseObject=t,this.commandResult=n,this.xhr=r,this.isHandled=!1,this.wasInterrupted=!1}return Object.defineProperty(e.prototype,"postbackClientId",{get:function(){return this.postbackOptions.postbackId},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"viewModelName",{get:function(){return this.postbackOptions.viewModelName},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"viewModel",{get:function(){return this.postbackOptions.viewModel},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"sender",{get:function(){return this.postbackOptions.sender},enumerable:!0,configurable:!0}),e}(),DotvvmSpaNavigatingEventArgs=function(e,t,n){this.viewModel=e,this.viewModelName=t,this.newUrl=n,this.cancel=!1},DotvvmSpaNavigatedEventArgs=function(e,t,n,r){this.viewModel=e,this.viewModelName=t,this.serverResponseObject=n,this.xhr=r,this.isHandled=!1},DotvvmRedirectEventArgs=function(e,t,n,r){this.viewModel=e,this.viewModelName=t,this.url=n,this.replace=r,this.isHandled=!1},DotvvmFileUpload=function(){function e(){}return e.prototype.showUploadDialog=function(e){var t=this.getIframe(e);this.createUploadId(e,t),this.openUploadDialog(t)},e.prototype.getIframe=function(e){return e.parentElement.previousSibling},e.prototype.openUploadDialog=function(e){var t=e.contentWindow;t&&t.document.getElementById("upload").click()},e.prototype.createUploadId=function(e,t){t=t||this.getIframe(e);var n="DotVVM_upl"+(new Date).getTime().toString();e.parentElement.parentElement.setAttribute("data-dotvvm-upload-id",n),t.setAttribute("data-dotvvm-upload-id",n)},e.prototype.reportProgress=function(e,t,n,r){var o=document.querySelector("div[data-dotvvm-upload-id='"+e.value+"']"),i=ko.dataFor(o.firstChild);if("string"==typeof r)i.Error(r);else{i.Error("");for(var a=0;a<r.length;a++)i.Files.push(dotvvm.serialization.wrapObservable(dotvvm.serialization.deserialize(r[a])));(o.attributes["data-dotvvm-upload-completed"]||{value:null}).value&&new Function(o.attributes["data-dotvvm-upload-completed"].value).call(o)}i.Progress(n),i.IsBusy(t)},e}(),DotvvmFileUploadCollection=function(){this.Files=ko.observableArray(),this.Progress=ko.observable(0),this.Error=ko.observable(),this.IsBusy=ko.observable()},DotvvmFileUploadData=function(){this.FileId=ko.observable(),this.FileName=ko.observable(),this.FileSize=ko.observable(),this.IsFileTypeAllowed=ko.observable(),this.IsMaxSizeExceeded=ko.observable(),this.IsAllowed=ko.observable()},DotvvmFileSize=function(){this.Bytes=ko.observable(),this.FormattedText=ko.observable()},DotvvmGlobalize=function(){function e(){}return e.prototype.getGlobalize=function(){var e=window.dotvvm_Globalize;if(!e)throw new Error("Resource 'globalize' is not included (symbol 'dotvvm_Globalize' could not be found).\nIt is usually included automatically when needed, but sometime it's not possible, so you will have to include it in your page using '<dot:RequiredResource Name=\"globalize\" />'");return e},e.prototype.format=function(e){for(var o=this,i=[],t=1;t<arguments.length;t++)i[t-1]=arguments[t];return e.replace(/\{([1-9]?[0-9]+)(:[^}]+)?\}/g,function(e,t,n){var r=i[parseInt(t)];return n?o.formatString(n,r):r})},e.prototype.formatString=function(e,t){if(null==(t=ko.unwrap(t))||""===t)return"";if("string"==typeof t&&null==(t=this.parseDotvvmDate(t)))throw new Error("Could not parse "+t+" as a date");return""!==e&&null!==e||(e="G"),this.getGlobalize().format(t,e,dotvvm.culture)},e.prototype.parseDotvvmDate=function(e){var t=e.match("^([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})(\\.[0-9]{3,7})$");return t?new Date(parseInt(t[1]),parseInt(t[2])-1,parseInt(t[3]),parseInt(t[4]),parseInt(t[5]),parseInt(t[6]),7<t.length?parseInt(t[7].substring(1,4)):0):null},e.prototype.parseNumber=function(e){return this.getGlobalize().parseFloat(e,10,dotvvm.culture)},e.prototype.parseDate=function(e,t,n){return this.getGlobalize().parseDate(e,t,dotvvm.culture,n)},e.prototype.bindingDateToString=function(t,n){var r=this;if(void 0===n&&(n="G"),!t)return"";function o(){var e=ko.unwrap(t);return"string"==typeof e?r.parseDotvvmDate(e):e}function e(){var e=o();return null!=e?r.getGlobalize().format(e,n,dotvvm.culture):""}if(ko.isWriteableObservable(t)){var i="string"==typeof o()?function(e){return t(null==e?null:dotvvm.serialization.serializeDate(e,!1))}:t;return ko.pureComputed({read:function(){return e()},write:function(e){return i(r.getGlobalize().parseDate(e,n,dotvvm.culture))}})}return ko.pureComputed(function(){return e()})},e.prototype.bindingNumberToString=function(r,t){var o=this;if(void 0===t&&(t="G"),null==r)return"";function e(){var e=function(){var e=ko.unwrap(r);return"string"==typeof e?o.parseNumber(e):e}();return null!=e?o.getGlobalize().format(e,t,dotvvm.culture):""}return ko.isWriteableObservable(r)?ko.pureComputed({read:function(){return e()},write:function(e){var t=o.getGlobalize().parseFloat(e,10,dotvvm.culture),n=null==e||null!=t&&!isNaN(t);r(n?t:null)}}):ko.pureComputed(function(){return e()})},e}(),PostbackOptions=function(e,t,n,r,o){void 0===n&&(n=[]),this.postbackId=e,this.sender=t,this.args=n,this.viewModel=r,this.viewModelName=o,this.additionalPostbackData={}},ConfirmPostBackHandler=function(){function e(e){this.message=e}return e.prototype.execute=function(n,e){var r=this;return new Promise(function(e,t){confirm(r.message)?n().then(e,t):t({type:"handler",handler:r,message:"The postback was not confirmed"})})},e}(),SuppressPostBackHandler=function(){function e(e){this.suppress=e}return e.prototype.execute=function(n,e){var r=this;return new Promise(function(e,t){r.suppress?t({type:"handler",handler:r,message:"The postback was suppressed"}):n().then(e,t)})},e}(),DotvvmSerialization=function(){function e(){}return e.prototype.deserialize=function(e,t,n){if(void 0===n&&(n=!1),void 0===e||null==e)return ko.isObservable(t)?(t(e),t):e;if("string"==typeof e||"number"==typeof e||"boolean"==typeof e)return ko.isObservable(t)?(t(e),t):e;if(e instanceof Date)return e=dotvvm.serialization.serializeDate(e),ko.isObservable(t)?(t(e),t):e;if(e instanceof Array){if(ko.isObservable(t)&&"removeAll"in t&&null!=t()&&t().length===e.length)for(var r=t(),o=0;o<e.length;o++){var i=r[o]();i!==(c=this.deserialize(e[o],i,n))&&r[o](c)}else{var a=[];for(o=0;o<e.length;o++)a.push(this.wrapObservable(this.deserialize(e[o],{},n)));ko.isObservable(t)?("removeAll"in t||(ko.utils.extend(t,ko.observableArray.fn),t=t.extend({trackArrayChanges:!0})),t(a)):t=ko.observableArray(a)}return t}void 0===t&&(t={});var s=ko.unwrap(t),l=!1;for(var d in null==s&&(s={},ko.isObservable(t)?l=!0:t=s),e)if(e.hasOwnProperty(d)&&!/\$options$/.test(d)){var u=e[d];if(void 0===u)continue;if(!ko.isObservable(u)&&"function"==typeof u)continue;var v=e[d+"$options"];if(!n&&v&&v.doNotUpdate)continue;var c=ko.isObservable(u)?u:this.deserialize(u,s[d],n);if(u instanceof Date&&(s[d+"$options"]=s[d+"$options"]||{},s[d+"$options"].isDate=!0),ko.isObservable(c))if(ko.isObservable(s[d]))c()!==s[d]()&&s[d](c());else{var p=ko.unwrap(c);s[d]=Array.isArray(p)?ko.observableArray(p):ko.observable(p)}else ko.isObservable(s[d])?c!==s[d]()&&s[d](c):s[d]=ko.observable(c);if(v&&v.clientExtenders&&ko.isObservable(s[d]))for(var f=0;f<v.clientExtenders.length;f++){var h={},m=v.clientExtenders[f];h[m.name]=m.parameter,s[d].extend(h)}}for(var d in e)if(e.hasOwnProperty(d)&&/\$options$/.test(d)){for(var b in s[d]=s[d]||{},e[d])e[d].hasOwnProperty(b)&&(s[d][b]=e[d][b]);var g=d.substring(0,d.length-"$options".length);void 0===s[g]&&(s[g]=ko.observable())}return l&&t(s),t},e.prototype.wrapObservable=function(e){return ko.isObservable(e)?e:ko.observable(e)},e.prototype.serialize=function(e,t){if(void 0===t&&(t={}),(t=ko.utils.extend({},t)).pathOnly&&t.path&&0===t.path.length&&(t.pathOnly=!1),null==e)return null;if("string"==typeof e||"number"==typeof e||"boolean"==typeof e)return e;if(ko.isObservable(e))return this.serialize(e(),t);if("function"==typeof e)return null;if(e instanceof Array){if(t.pathOnly&&t.path){var n=parseInt(t.path.pop());return(r=new Array(n+1))[n]=this.serialize(e[n],t),t.path.push(n.toString()),r}for(var r=[],o=0;o<e.length;o++)r.push(this.serialize(e[o],t));return r}if(e instanceof Date)return t.restApiTarget?e:this.serializeDate(e);var i=t.path&&t.path.pop(),a={};for(var s in e)if(e.hasOwnProperty(s)){if(t.pathOnly&&s!==i)continue;var l=e[s];if(t.ignoreSpecialProperties&&"$"===s[0])continue;if(!t.serializeAll&&(/\$options$/.test(s)||"$validationErrors"===s))continue;if(void 0===l)continue;if(!ko.isObservable(l)&&"function"==typeof l)continue;var d=e[s+"$options"];if(!t.serializeAll&&d&&d.doNotPost);else if(t.oneLevel)a[s]=ko.unwrap(l);else if(!t.serializeAll&&d&&d.pathOnly&&t.pathMatcher){var u=d.pathOnly;u instanceof Array||(u=t.path||this.findObject(l,t.pathMatcher)),u&&(0===u.length?a[s]=this.serialize(l,t):a[s]=this.serialize(l,{ignoreSpecialProperties:t.ignoreSpecialProperties,serializeAll:t.serializeAll,path:u,pathOnly:!0}))}else a[s]=this.serialize(l,t);d&&d.type&&!this.validateType(a[s],d.type)&&(delete a[s],d.wasInvalid=!0)}return i&&t.path&&t.path.push(i),a},e.prototype.validateType=function(e,t){var n="?"===t[t.length-1];if(n&&(t=t.substr(0,t.length-1)),n&&(null==e||""==e))return!0;if(!n&&null==e)return!1;var r=/(u?)int(\d*)/.exec(t);if(r){if(!/^-?\d*$/.test(e))return!1;var o="u"===r[1],i=parseInt(r[2]),a=0,s=Math.pow(2,i)-1;o||(s+=a=-Math.floor(s/2));var l=parseInt(e);return a<=l&&l<=s&&l===parseFloat(e)}return"number"!==t&&"single"!==t&&"double"!==t&&"decimal"!==t||(+e===e||!isNaN(+e)&&"string"==typeof e)},e.prototype.findObject=function(e,t){if(t(e))return[];if(t(e=ko.unwrap(e)))return[];if("object"!=typeof e)return null;for(var n in e)if(e.hasOwnProperty(n)){var r=this.findObject(e[n],t);if(r)return r.push(n),r}return null},e.prototype.flatSerialize=function(e){return this.serialize(e,{ignoreSpecialProperties:!0,oneLevel:!0,serializeAll:!0})},e.prototype.getPureObject=function(e){if((e=ko.unwrap(e))instanceof Array)return e.map(this.getPureObject.bind(this));var t={};for(var n in e)"$"!=n[0]&&(t[n]=e[n]);return t},e.prototype.pad=function(e,t){for(;e.length<t;)e="0"+e;return e},e.prototype.serializeDate=function(e,t){if(void 0===t&&(t=!0),null==e)return null;if("string"==typeof e)return null==dotvvm.globalize.parseDotvvmDate(e)&&console.error(new Error("Date "+e+" is invalid.")),e;var n=new Date(e.getTime());return t?n.setMinutes(e.getMinutes()+e.getTimezoneOffset()):n=e,this.pad(n.getFullYear().toString(),4)+"-"+this.pad((n.getMonth()+1).toString(),2)+"-"+this.pad(n.getDate().toString(),2)+"T"+this.pad(n.getHours().toString(),2)+":"+this.pad(n.getMinutes().toString(),2)+":"+this.pad(n.getSeconds().toString(),2)+"."+this.pad(n.getMilliseconds().toString(),3)+"0000"},e}();document.getElementByDotvvmId=function(e){return document.querySelector("[data-dotvvm-id='"+e+"']")};var DotVVM=function(){function e(){var r,i=this;this.postBackCounter=0,this.lastStartedPostack=0,this.resourceSigns={},this.isViewModelUpdating=!0,this.spaHistory=new DotvvmSpaHistory,this.viewModelObservables={},this.isSpaReady=ko.observable(!1),this.viewModels={},this.serialization=new DotvvmSerialization,this.postbackHandlers={confirm:function(e){return new ConfirmPostBackHandler(e.message)},suppress:function(e){return new SuppressPostBackHandler(e.suppress)},timeout:function(e){return e.time?i.createWindowSetTimeoutHandler(e.time):i.windowSetTimeoutHandler},"concurrency-default":function(n){return{name:"concurrency-default",before:["setIsPostbackRunning"],execute:function(e,t){return i.commonConcurrencyHandler(e(),t,n.q||"default")}}},"concurrency-deny":function(r){return{name:"concurrency-deny",before:["setIsPostbackRunning"],execute:function(e,t){var n=r.q||"default";return 0<dotvvm.getPostbackQueue(n).noRunning?Promise.reject({type:"handler",handler:this,message:"An postback is already running"}):dotvvm.commonConcurrencyHandler(e(),t,n)}}},"concurrency-queue":function(o){return{name:"concurrency-queue",before:["setIsPostbackRunning"],execute:function(e,t){function n(){return dotvvm.commonConcurrencyHandler(e(),t,r)}var r=o.q||"default";return 0<dotvvm.getPostbackQueue(r).noRunning?new Promise(function(e){dotvvm.getPostbackQueue(r).queue.push(function(){return e(n())})}):n()}}},suppressOnUpdating:function(e){return{name:"suppressOnUpdating",before:["setIsPostbackRunning","concurrency-default","concurrency-queue","concurrency-deny"],execute:function(e,t){return dotvvm.isViewModelUpdating?Promise.reject({type:"handler",handler:this,message:"ViewModel is updating, so it's probably false onchange event"}):e()}}}},this.suppressOnDisabledElementHandler={name:"suppressOnDisabledElement",before:["setIsPostbackRunning","concurrency-default","concurrency-queue","concurrency-deny"],execute:function(e,t){return t.sender&&dotvvm.isPostBackProhibited(t.sender)?Promise.reject({type:"handler",handler:i,message:"PostBack is prohitibited on disabled element"}):e()}},this.beforePostbackEventPostbackHandler={execute:function(e,t){var n=new DotvvmBeforePostBackEventArgs(t.sender,t.viewModel,t.viewModelName,t.postbackId);return i.events.beforePostback.trigger(n),n.cancel?Promise.reject({type:"event",options:t}):e()}},this.isPostBackRunningHandler=(r=0,{name:"setIsPostbackRunning",before:["eventInvoke-postbackHandlersStarted"],execute:function(e,t){i.isPostbackRunning(!0),r++;var n=e();return n.then(function(){return i.isPostbackRunning(!!--r)},function(){return i.isPostbackRunning(!!--r)}),n}}),this.windowSetTimeoutHandler=this.createWindowSetTimeoutHandler(0),this.commonConcurrencyHandler=function(e,n,t){var r=i.getPostbackQueue(t);r.noRunning++;function o(){if(r.noRunning--,0<r.queue.length){var e=r.queue.shift();window.setTimeout(e,0)}}return e.then(function(e){var t=i.lastStartedPostack==n.postbackId?e:function(){return Promise.reject(null)};return function(){var e=t();return e.then(o,o),e}},function(e){return o(),Promise.reject(e)})},this.defaultConcurrencyPostbackHandler=this.postbackHandlers["concurrency-default"]({}),this.postbackQueues={},this.postbackHandlersStartedEventHandler={name:"eventInvoke-postbackHandlersStarted",execute:function(e,t){return dotvvm.events.postbackHandlersStarted.trigger(t),e()}},this.postbackHandlersCompletedEventHandler={name:"eventInvoke-postbackHandlersCompleted",after:["eventInvoke-postbackHandlersStarted"],execute:function(e,t){return dotvvm.events.postbackHandlersCompleted.trigger(t),e()}},this.globalPostbackHandlers=[this.suppressOnDisabledElementHandler,this.isPostBackRunningHandler,this.postbackHandlersStartedEventHandler],this.globalLaterPostbackHandlers=[this.postbackHandlersCompletedEventHandler,this.beforePostbackEventPostbackHandler],this.events=new DotvvmEvents,this.globalize=new DotvvmGlobalize,this.evaluator=new DotvvmEvaluator,this.domUtils=new DotvvmDomUtils,this.fileUpload=new DotvvmFileUpload,this.extensions={},this.isPostbackRunning=ko.observable(!1),this.useHistoryApiViewModel=history&&(/Chrome/.test(navigator.userAgent)&&/Google Inc/.test(navigator.vendor)||/Edge/.test(navigator.userAgent))}return e.prototype.createWindowSetTimeoutHandler=function(n){return{name:"timeout",before:["eventInvoke-postbackHandlersStarted","setIsPostbackRunning"],execute:function(e,t){return new Promise(function(e,t){return window.setTimeout(e,n)}).then(function(){return e()})}}},e.prototype.getPostbackQueue=function(e){return void 0===e&&(e="default"),this.postbackQueues[e]||(this.postbackQueues[e]={queue:[],noRunning:0}),this.postbackQueues[e]},e.prototype.isBrowserReload=function(){if(performance){if(performance.getEntriesByType){var e=performance.getEntriesByType("navigation");if(0<e.length)return"reload"===e[0].type}if(performance.navigation)return 1===performance.navigation.type}return!1},e.prototype.init=function(t,e){var n,r=this;if(this.addKnockoutBindingHandlers(),n=this.useHistoryApiViewModel&&!this.isBrowserReload()&&history.state&&history.state.dotvvm_viewmodels&&history.state.dotvvm_viewmodels[t]?__assign({},history.state.dotvvm_viewmodels[t]):JSON.parse(document.getElementById("__dot_viewmodel_"+t).value),(this.viewModels[t]=n).resources)for(var o in n.resources)this.resourceSigns[o]=!0;n.renderedResources&&n.renderedResources.forEach(function(e){return r.resourceSigns[e]=!0});var i=n.resultIdFragment,a=n.viewModel=this.serialization.deserialize(this.viewModels[t].viewModel,{},!0);this.culture=e,this.validation=new DotvvmValidation(this),this.viewModelObservables[t]=ko.observable(a),ko.applyBindings(this.viewModelObservables[t],document.documentElement),this.events.init.trigger({viewModel:a});var s=this.getSpaPlaceHolder();if(null!=s){var l=function(e){return r.handleHashChange(t,s,e)};this.useHistoryApiSpaNavigation=JSON.parse(s.getAttribute("data-dotvvm-spacontentplaceholder-usehistoryapi")),this.useHistoryApiSpaNavigation&&(l=function(e){return r.handleHashChangeWithHistory(t,s,e)});this.domUtils.attachEvent(window,"hashchange",function(){return l(!1)}),l(!0)}if(window.addEventListener("popstate",function(e){return r.handlePopState(t,e,null!=s)}),this.isViewModelUpdating=!1,i)if(s){var d=document.getElementById(i);d&&"function"==typeof d.scrollIntoView&&d.scrollIntoView(!0)}else location.hash=i;this.domUtils.attachEvent(window,"beforeunload",function(e){r.persistViewModel(t)})},e.prototype.handlePopState=function(e,t,n){if(this.spaHistory.isSpaPage(t.state)){var r=this.spaHistory.getHistoryRecord(t.state);n?this.navigateCore(e,r.url):this.performRedirect(r.url,!0),t.preventDefault()}},e.prototype.handleHashChangeWithHistory=function(e,t,n){var r=this;if(0===document.location.hash.indexOf("#!/"))this.navigateCore(e,document.location.hash.substring(2),function(e){r.spaHistory.replacePage(e)});else{var o=t.getAttribute("data-dotvvm-spacontentplaceholder-defaultroute");if(!t.hasAttribute("data-dotvvm-spacontentplaceholder-content")&&o)this.navigateCore(e,"/"+o,function(e){return r.spaHistory.replacePage(e)});else{this.isSpaReady(!0),t.style.display="";var i=location.pathname+location.search+location.hash;this.spaHistory.replacePage(i)}}},e.prototype.handleHashChange=function(e,t,n){if(0===document.location.hash.indexOf("#!/"))this.navigateCore(e,document.location.hash.substring(2));else{var r=t.getAttribute("data-dotvvm-spacontentplaceholder-defaultroute");if(r)r="#!/"+r,r=this.fixSpaUrlPrefix(r),this.performRedirect(r,n);else if(n)this.isSpaReady(!0),t.style.display="";else{var o=(r=document.location.toString()).indexOf("/","https://".length);r=0<o?r.substring(o):"/",this.navigateCore(e,r)}}},e.prototype.persistViewModel=function(e){var t=this.viewModels[e];if(this.useHistoryApiViewModel){var n=history.state?history.state:{},r=n.dotvvm_viewmodels?n.dotvvm_viewmodels:{},o=__assign({dotvvm_viewmodels:__assign((i={},i[e]=ko.toJS(t),i),r)},n);history.replaceState(o,document.title)}var i,a={};for(var s in t)t.hasOwnProperty(s)&&(a[s]=t[s]);a.viewModel=this.serialization.serialize(a.viewModel,{serializeAll:!0}),document.getElementById("__dot_viewmodel_"+e).value=JSON.stringify(a)},e.prototype.backUpPostBackConter=function(){return++this.postBackCounter},e.prototype.isPostBackStillActive=function(e){return this.postBackCounter===e},e.prototype.staticCommandPostback=function(t,n,e,r,o,i){var a=this;void 0===o&&(o=function(e){}),void 0===i&&(i=function(e,t){});var s=this.serialization.serialize({args:r,command:e,$csrfToken:this.viewModels[t].viewModel.$csrfToken});dotvvm.events.staticCommandMethodInvoking.trigger(s),this.postJSON(this.viewModels[t].url,"POST",ko.toJSON(s),function(t){try{a.isViewModelUpdating=!0;var e=JSON.parse(t.responseText);dotvvm.events.staticCommandMethodInvoked.trigger(__assign({},s,{result:e,xhr:t})),o(e)}catch(e){dotvvm.events.staticCommandMethodFailed.trigger(__assign({},s,{xhr:t,error:e})),i(t,e)}finally{a.isViewModelUpdating=!1}},function(e){a.events.error.trigger(new DotvvmErrorEventArgs(n,a.viewModels[t].viewModel,t,e,null)),console.warn("StaticCommand postback failed: "+e.status+" - "+e.statusText,e),i(e),dotvvm.events.staticCommandMethodFailed.trigger(__assign({},s,{xhr:e}))},function(e){e.setRequestHeader("X-PostbackType","StaticCommand")})},e.prototype.processPassedId=function(e,t){if("string"==typeof e||null==e)return e;if("object"==typeof e&&e.expr)return this.evaluator.evaluateOnViewModel(t,e.expr);throw new Error("invalid argument")},e.prototype.getPostbackHandler=function(e){var t=this.postbackHandlers[e];if(t)return t;throw new Error("Could not find postback handler of name '"+e+"'")},e.prototype.isPostbackHandler=function(e){return e&&"function"==typeof e.execute},e.prototype.findPostbackHandlers=function(r,e){function o(e,t){return!1===t.enabled?null:i.getPostbackHandler(e)(t)}var i=this;return e.map(function(e){return"string"==typeof e?o(e,{}):i.isPostbackHandler(e)?e:e instanceof Array?(t=e[0],n=e[1],o(t,"function"==typeof n?n(r,r.$data):n)):o(e.name,e.options&&e.options(r));var t,n}).filter(function(e){return null!=e})},e.prototype.sortHandlers=function(o){for(var n=function(){for(var t={},e=0,n=o;e<n.length;e++){var r=n[e];null!=r.name&&(t[r.name]=r)}return function(e){return"string"==typeof e?t[e]:e}}(),a=o.map(function(e,t){return e["@sort_index"]=t,{handler:e,deps:(e.after||[]).map(n)}}),e=0,t=o;e<t.length;e++){var r=t[e];if(r.before)for(var i=0,s=r.before.map(n);i<s.length;i++){var l=s[i];if(l){var d=l["@sort_index"];a[d].deps.push(r)}}}for(var u=[],v=new Uint8Array(a.length),c=function(e){switch(v[e]){case 0:break;case 1:throw new Error("Cyclic PostbackHandler dependency found.");case 2:return;default:throw new Error("")}if(1!=v[e]){v[e]=1;for(var t=a[e],n=t.handler,r=0,o=t.deps;r<o.length;r++){var i=o[r];c(i["@sort_index"])}v[e]=2,u.push(n)}},p=0;p<a.length;p++)c(p);return u},e.prototype.applyPostbackHandlersCore=function(e,r,t){function n(e){return"function"==typeof e?e:function(){return Promise.resolve(new DotvvmAfterPostBackEventArgs(r,null,e))}}return null==t||0===t.length?e(r).then(n,function(e){return Promise.reject(e)}):this.sortHandlers(t).reduceRight(function(e,t,n){return function(){return t.execute(e,r)}},function(){return e(r).then(n,function(e){return Promise.reject(e)})})()},e.prototype.applyPostbackHandlers=function(e,t,n,r,o,i,a){void 0===r&&(r=[]),void 0===o&&(o=ko.contextFor(t)),void 0===i&&(i=o.$root);var s=new PostbackOptions(this.backUpPostBackConter(),t,r,i,a),l=this.applyPostbackHandlersCore(e,s,this.findPostbackHandlers(o,this.globalPostbackHandlers.concat(n||[]).concat(this.globalLaterPostbackHandlers))).then(function(e){return e()},function(e){return Promise.reject(e)});return l.catch(function(e){e&&console.log("Rejected: "+e)}),l},e.prototype.postbackCore=function(v,r,o,i,a,s){var c=this;return new Promise(function(e,t){var d=v.viewModelName,u=c.viewModels[d].viewModel;c.lastStartedPostack=v.postbackId,c.updateDynamicPathFragments(a,r);var n={viewModel:c.serialization.serialize(u,{pathMatcher:function(e){return a&&e==a.$data}}),currentPath:r,command:o,controlUniqueId:c.processPassedId(i,a),additionalData:v.additionalPostbackData,renderedResources:c.viewModels[d].renderedResources,commandArgs:s};c.postJSON(c.viewModels[d].url,"POST",ko.toJSON(n),function(l){dotvvm.events.postbackResponseReceived.trigger({}),e(function(){return new Promise(function(i,a){dotvvm.events.postbackCommitInvoked.trigger({});var e=l.getResponseHeader("Location"),s=null!=e&&0<e.length?{action:"redirect",url:e}:JSON.parse(l.responseText);!s.viewModel&&s.viewModelDiff&&(s.viewModel=c.patch(n.viewModel,s.viewModelDiff)),c.loadResourceList(s.resources,function(){var e=!1;if("successfulCommand"===s.action){try{c.isViewModelUpdating=!0;var t=c.cleanUpdatedControls(s);s.viewModel&&(ko.delaySync.pause(),c.serialization.deserialize(s.viewModel,c.viewModels[d].viewModel),ko.delaySync.resume()),e=!0,c.cleanUpdatedControls(s,t),c.restoreUpdatedControls(s,t,!0)}finally{c.isViewModelUpdating=!1}dotvvm.events.postbackViewModelUpdated.trigger({})}else if("redirect"===s.action)return c.handleRedirect(s,d),i();var n=s.resultIdFragment;if(n)if(c.getSpaPlaceHolder()||location.hash=="#"+n){var r=document.getElementById(n);r&&"function"==typeof r.scrollIntoView&&r.scrollIntoView(!0)}else location.hash=n;if(e){var o=new DotvvmAfterPostBackEventArgs(v,s,s.commandResult,l);i(o)}else a(new DotvvmErrorEventArgs(v.sender,u,d,l,v.postbackId,s))})})})},function(e){t({type:"network",options:v,args:new DotvvmErrorEventArgs(v.sender,u,d,e,v.postbackId)})})})},e.prototype.handleSpaNavigation=function(e){return"_blank"==e.getAttribute("target")||this.handleSpaNavigationCore(e.getAttribute("href"))},e.prototype.handleSpaNavigationCore=function(e){var t=this;if(e&&0===e.indexOf("/")){return e=this.removeVirtualDirectoryFromUrl(e,"root"),this.navigateCore("root",e,function(e){history.state&&history.state.url==e||t.spaHistory.pushPage(e)}),!1}return!0},e.prototype.postBack=function(e,t,n,r,o,i,a,s){var l=this;i=i||ko.contextFor(t);var d=this.findPostbackHandlers(i,this.globalPostbackHandlers.concat(a||[]).concat(this.globalLaterPostbackHandlers));0==d.filter(function(e){return e.name&&0==e.name.indexOf("concurrency-")}).length&&d.push(this.defaultConcurrencyPostbackHandler);var u=new PostbackOptions(this.backUpPostBackConter(),t,s,i.$data,e),v=this.applyPostbackHandlersCore(function(e){return l.postbackCore(e,n,r,o,i,s)},u,d).then(function(e){return e().then(function(e){return e},function(e){return Promise.reject({type:"commit",args:e})})},function(e){return Promise.reject(e)});return v.then(function(e){return e&&l.events.afterPostback.trigger(e)},function(e){var t=new DotvvmAfterPostBackEventArgs(u,"commit"==e.type&&e.args?e.args.serverResponseObject:null,u.postbackId);"handler"==e.type||"event"==e.type?(t.wasInterrupted=!0,l.events.postbackRejected.trigger({})):"network"==e.type&&l.events.error.trigger(e.args),l.events.afterPostback.trigger(t)}),v},e.prototype.loadResourceList=function(e,t){var n="";for(var r in e){if(!/^__noname_\d+$/.test(r)){if(this.resourceSigns[r])continue;this.resourceSigns[r]=!0}n+=e[r]+" "}if(""!==n.trim()){var o=document.createElement("div");o.innerHTML=n;for(var i=[],a=0;a<o.children.length;a++)i.push(o.children.item(a));this.loadResourceElements(i,0,t)}else setTimeout(t,4)},e.prototype.loadResourceElements=function(e,t,n){var r=this;if(t>=e.length)n();else{var o=e[t],i=!1;if("script"==o.tagName.toLowerCase()){var a=document.createElement("script");o.src&&(a.src=o.src,i=!0),o.type&&(a.type=o.type),o.text&&(a.text=o.text),o=a}else if("link"==o.tagName.toLowerCase()){var s=document.createElement("link");o.href&&(s.href=o.href),o.rel&&(s.rel=o.rel),o.type&&(s.type=o.type),o=s}i&&(o.onload=function(){return r.loadResourceElements(e,t+1,n)}),document.head.appendChild(o),i||this.loadResourceElements(e,t+1,n)}},e.prototype.getSpaPlaceHolder=function(){var e=document.getElementsByName("__dot_SpaContentPlaceHolder");return 1==e.length?e[0]:null},e.prototype.navigateCore=function(a,e,t){var s=this,n=this.viewModels[a].viewModel,r=this.backUpPostBackConter(),o=new DotvvmSpaNavigatingEventArgs(n,a,e);if(this.events.spaNavigating.trigger(o),!o.cancel){var i=this.viewModels[a].virtualDirectory||"",l="/___dotvvm-spa___"+this.addLeadingSlash(e),d=this.addLeadingSlash(this.concatUrl(i,l)),u=this.getSpaPlaceHolder();if(u){t&&t(this.addLeadingSlash(this.concatUrl(i,this.addLeadingSlash(e))));var v=u.attributes["data-dotvvm-spacontentplaceholder"].value;this.getJSON(d,"GET",v,function(o){if(s.isPostBackStillActive(r)){var i=JSON.parse(o.responseText);s.loadResourceList(i.resources,function(){var e=!1;if("successfulCommand"!==i.action&&i.action){if("redirect"===i.action)return void s.handleRedirect(i,a,!0)}else try{s.isViewModelUpdating=!0;var t=s.cleanUpdatedControls(i);for(var n in s.viewModels[a]={},i)i.hasOwnProperty(n)&&(s.viewModels[a][n]=i[n]);ko.delaySync.pause(),s.serialization.deserialize(i.viewModel,s.viewModels[a].viewModel),ko.delaySync.resume(),e=!0,s.viewModelObservables[a](s.viewModels[a].viewModel),s.restoreUpdatedControls(i,t,!0),s.isSpaReady(!0)}finally{s.isViewModelUpdating=!1}var r=new DotvvmSpaNavigatedEventArgs(s.viewModels[a].viewModel,a,i,o);if(s.events.spaNavigated.trigger(r),!e&&!r.isHandled)throw"Invalid response from server!"})}},function(e){if(s.isPostBackStillActive(r)){var t=new DotvvmErrorEventArgs(void 0,n,a,e,-1,void 0,!0);s.events.error.trigger(t),t.handled||alert(e.responseText)}})}else document.location.href=d}},e.prototype.handleRedirect=function(e,t,n){var r;void 0===n&&(n=!1),null!=e.replace&&(n=e.replace),r=this.getSpaPlaceHolder()&&!this.useHistoryApiSpaNavigation&&e.url.indexOf("//")<0&&e.allowSpa?("#!"===(r="#!"+this.removeVirtualDirectoryFromUrl(e.url,t))&&(r="#!/"),this.fixSpaUrlPrefix(r)):e.url;var o=new DotvvmRedirectEventArgs(dotvvm.viewModels[t],t,r,n);this.events.redirect.trigger(o),this.performRedirect(r,n,e.allowSpa&&this.useHistoryApiSpaNavigation)},e.prototype.performRedirect=function(e,t,n){if(t)location.replace(e);else if(n)this.handleSpaNavigationCore(e);else{var r=this.fakeRedirectAnchor;r||((r=document.createElement("a")).style.display="none",r.setAttribute("data-dotvvm-fake-id","dotvvm_fake_redirect_anchor_87D7145D_8EA8_47BA_9941_82B75EE88CDB"),document.body.appendChild(r),this.fakeRedirectAnchor=r),r.href=e,r.click()}},e.prototype.fixSpaUrlPrefix=function(e){var t=this.getSpaPlaceHolder().attributes["data-dotvvm-spacontentplaceholder-urlprefix"];if(!t)return e;var n=t.value;return n!==document.location.pathname&&(""===n&&(n="/"),e=n+e),e},e.prototype.removeVirtualDirectoryFromUrl=function(e,t){var n="/"+this.viewModels[t].virtualDirectory;return 0==e.indexOf(n)?this.addLeadingSlash(e.substring(n.length)):e},e.prototype.addLeadingSlash=function(e){return 0<e.length&&"/"!=e.substring(0,1)?"/"+e:e},e.prototype.concatUrl=function(e,t){return 0<e.length&&"/"==e.substring(e.length-1)&&(e=e.substring(0,e.length-1)),e+this.addLeadingSlash(t)},e.prototype.patch=function(n,e){var r=this;if(n instanceof Array&&e instanceof Array)return e.map(function(e,t){return r.patch(n[t],e)});if(n instanceof Array||e instanceof Array)return e;if("object"!=typeof n||"object"!=typeof e||!n||!e)return e;for(var t in e)null==e[t]?n[t]=null:null==n[t]?n[t]=e[t]:n[t]=this.patch(n[t],e[t]);return n},e.prototype.updateDynamicPathFragments=function(e,t){for(var n=t.length-1;0<=n;n--)0<=t[n].indexOf("[$index]")&&(t[n]=t[n].replace("[$index]","["+e.$index()+"]")),0<=t[n].indexOf("[$indexPath]")&&(t[n]=t[n].replace("[$indexPath]","["+e.$indexPath.map(function(e){return e()}).join("]/[")+"]")),e=e.$parentContext},e.prototype.postJSON=function(e,t,n,r,o,i){void 0===i&&(i=function(e){});var a=this.getXHR();a.open(t,e,!0),a.setRequestHeader("Content-Type","application/json"),a.setRequestHeader("X-DotVVM-PostBack","true"),a.setRequestHeader("X-Requested-With","XMLHttpRequest"),i(a),a.onreadystatechange=function(){a.readyState===XMLHttpRequest.DONE&&(a.status<400?r(a):o(a))},a.send(n)},e.prototype.getJSON=function(e,t,n,r,o){var i=this.getXHR();i.open(t,e,!0),i.setRequestHeader("Content-Type","application/json"),i.setRequestHeader("X-DotVVM-SpaContentPlaceHolder",n),i.onreadystatechange=function(){i.readyState===XMLHttpRequest.DONE&&(i.status<400?r(i):o(i))},i.send()},e.prototype.getXHR=function(){return XMLHttpRequest?new XMLHttpRequest:new window.ActiveXObject("Microsoft.XMLHTTP")},e.prototype.cleanUpdatedControls=function(e,t){for(var n in void 0===t&&(t={}),e.updatedControls)if(e.updatedControls.hasOwnProperty(n)){var r=document.getElementByDotvvmId(n);if(r){var o=ko.contextFor(r),i=r.nextSibling,a=r.parentNode;ko.removeNode(r),t[n]={control:r,nextSibling:i,parent:a,dataContext:o}}}return t},e.prototype.restoreUpdatedControls=function(n,r,e){var o=this;for(var t in n.updatedControls)if(n.updatedControls.hasOwnProperty(t)){var i=r[t];if(i){var a=document.createElement(r[t].parent.tagName||"div");if(a.innerHTML=n.updatedControls[t],1<a.childElementCount)throw new Error("Postback.Update control can not render more than one element");var s=a.firstElementChild;if(null==s.id)throw new Error("Postback.Update control always has to render id attribute.");s.id!==r[t].control.id&&console.log("Postback.Update control changed id from '"+r[t].control.id+"' to '"+s.id+"'"),a.removeChild(s),i.nextSibling?i.parent.insertBefore(s,i.nextSibling):i.parent.appendChild(s)}}e&&window.setTimeout(function(){try{for(var e in o.isViewModelUpdating=!0,n.updatedControls){var t=document.getElementByDotvvmId(e);t&&ko.applyBindings(r[e].dataContext,t)}}finally{o.isViewModelUpdating=!1}},0)},e.prototype.unwrapArrayExtension=function(e){return ko.unwrap(ko.unwrap(e))},e.prototype.buildRouteUrl=function(e,a){var t=(e="/"+e).replace(/(\/[^\/]*?)\{([^\}]+?)\??(:(.+?))?\}/g,function(e,t,n,r,o){if(!n)return"";var i=ko.unwrap(a[n.toLowerCase()]);return null==i?"":t+i});return 0===t.indexOf("/")?t.substring(1):t},e.prototype.buildUrlSuffix=function(e,t){var n,r;for(var o in r=-1!==e.indexOf("#")?(n=e.substring(0,e.indexOf("#")),e.substring(e.indexOf("#"))):(n=e,""),t)if(t.hasOwnProperty(o)){if(!o)continue;var i=ko.unwrap(t[o]);if(null==i)continue;n=n.concat(-1!==n.indexOf("?")?"&"+o+"="+i:"?"+o+"="+i)}return n.concat(r)},e.prototype.isPostBackProhibited=function(e){return!!(e&&e.tagName&&-1<["a","input","button"].indexOf(e.tagName.toLowerCase())&&e.getAttribute("disabled"))},e.prototype.addKnockoutBindingHandlers=function(){function v(n,r){void 0===r&&(r=null);var e=ko.pureComputed({read:function(){var e=n();return ko.unwrap(e)},write:function(e){var t=n();ko.isObservable(t)?t(e):console.warn("Attempted to write to readonly property"+(null==r?"":" "+r)+".")}});return e.wrappedProperty=n,e}ko.virtualElements.allowedBindings.dotvvm_withControlProperties=!0,ko.bindingHandlers.dotvvm_withControlProperties={init:function(e,t,n,r,o){if(!o)throw new Error;var i=t();for(var a in i)i[a]=v(function(){var e=t()[this.prop];return ko.isObservable(e)?e:dotvvm.serialization.deserialize(e)}.bind({prop:a}),"'"+a+"' at '"+t.toString()+"'");var s=o.extend({$control:i});return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}},update:function(e,t,n,r,o){}},ko.virtualElements.allowedBindings.dotvvm_introduceAlias=!0,ko.bindingHandlers.dotvvm_introduceAlias={init:function(e,t,n,r,o){if(!o)throw new Error;var i=t(),a={};for(var s in i){for(var l=s.split("."),d=a;0<l.length-1;0)d=a[l[0]]||(a[l[0]]={});d[l[l.length-1]]=v(function(){return t()[this.prop]}.bind({prop:s}),"'"+s+"' at '"+t.toString()+"'")}var u=o.extend(a);return e.innerBindingContext=u,ko.applyBindingsToDescendants(u,e),{controlsDescendantBindings:!0}}};var l="$foreachCollectionSymbol";ko.virtualElements.allowedBindings["dotvvm-SSR-foreach"]=!0,ko.bindingHandlers["dotvvm-SSR-foreach"]={init:function(e,t,n,r,o){if(!o)throw new Error;var i,a=t(),s=o.extend(((i={})[l]=a.data,i));return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}}},ko.virtualElements.allowedBindings["dotvvm-SSR-item"]=!0,ko.bindingHandlers["dotvvm-SSR-item"]={init:function(e,t,n,r,o){if(!o)throw new Error;var i=t(),a=o[l],s=o.createChildContext(function(){return ko.unwrap((ko.unwrap(a)||[])[i])}).extend({$index:ko.pureComputed(function(){return i})});return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}}},ko.virtualElements.allowedBindings.withGridViewDataSet=!0,ko.bindingHandlers.withGridViewDataSet={init:function(e,t,n,r,o){if(!o)throw new Error;var i,a=t(),s=o.extend(((i={$gridViewDataSet:a})[l]=dotvvm.evaluator.getDataSourceItems(a),i));return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}},update:function(e,t,n,r,o){}},ko.bindingHandlers.dotvvmEnable={update:function(e,t){var n=ko.utils.unwrapObservable(t());n&&e.disabled?(e.disabled=!1,e.removeAttribute("disabled")):n||e.disabled||(e.disabled=!0,e.setAttribute("disabled","disabled"))}},ko.bindingHandlers["dotvvm-checkbox-updateAfterPostback"]={init:function(e,t,r,n,o){dotvvm.events.afterPostback.subscribe(function(e){var t=r();if(t["dotvvm-checked-pointer"]){var n=t[t["dotvvm-checked-pointer"]];ko.isObservable(n)&&(n.valueHasMutated?n.valueHasMutated():n.notifySubscribers())}})}},ko.bindingHandlers["dotvvm-checked-pointer"]={init:function(e,t,n,r,o){}},ko.bindingHandlers["dotvvm-UpdateProgress-Visible"]={init:function(t,e,n,r,o){t.style.display="none";var i,a=t.getAttribute("data-delay"),s=!1;dotvvm.isPostbackRunning.subscribe(function(e){e?s||(s=!0,null==a?t.style.display="":i=setTimeout(function(e){t.style.display=""},a)):(s=!1,clearTimeout(i),t.style.display="none")})}},ko.bindingHandlers["dotvvm-table-columnvisible"]={init:function(e,t,n,r,o){var i="",a=!0;if(e instanceof HTMLTableCellElement){for(var s=e;!(s instanceof HTMLTableElement);)s=s.parentElement;var l=s.rows.item(0);if(!l)throw Error("Table with dotvvm-table-columnvisible binding handler must not be empty.");var d=[].slice.call(l.cells).indexOf(e);e.dotvvmChangeVisibility=function(e,t,n){if(a!=n){a=n;for(var r=0;r<e.rows.length;r++){var o=e.rows.item(r).cells[t].style;n?o.display=i:(i=o.display||"",o.display="none")}}}.bind(null,s,d)}},update:function(e,t){e.dotvvmChangeVisibility(ko.unwrap(t()))}},ko.bindingHandlers["dotvvm-textbox-text"]={init:function(r,e,t,n,o){var i=e(),a=(t.get("valueUpdate"),new DotvvmValidationElementMetadata);a.element=r,a.dataType=(r.attributes["data-dotvvm-value-type"]||{value:""}).value,a.format=(r.attributes["data-dotvvm-format"]||{value:""}).value;var s=null;s=ko.isObservable(i)?(i.dotvvmMetadata?(i.dotvvmMetadata.elementsMetadata||(i.dotvvmMetadata.elementsMetadata=[]),i.dotvvmMetadata.elementsMetadata.push(a)):(i.dotvvmMetadata=new DotvvmValidationObservableMetadata,i.dotvvmMetadata.elementsMetadata=[a]),i.dotvvmMetadata.elementsMetadata):new DotvvmValidationObservableMetadata,setTimeout(function(r,o){ko.utils.domNodeDisposal.addDisposeCallback(o,function(){for(var e=0,t=r;e<t.length;e++){var n=t[e];if(n.element===o){r.splice(r.indexOf(n),1);break}}})},0,s,r),dotvvm.domUtils.attachEvent(r,"change",function(){if(ko.isObservable(i)){var e,t;if("datetime"===a.dataType){var n=i();null!=n&&(n=dotvvm.globalize.parseDotvvmDate(n)),t=null==(e=dotvvm.globalize.parseDate(r.value,a.format,n))?null:dotvvm.serialization.serializeDate(e,!1)}else t=null===(e=dotvvm.globalize.parseNumber(r.value))||isNaN(e)?null:e;null==t&&null!==r.value&&""!==r.value?(r.attributes["data-invalid-value"]=r.value,r.attributes["data-dotvvm-value-type-valid"]=!1,a.elementValidationState=!1):(r.attributes["data-invalid-value"]=null,r.attributes["data-dotvvm-value-type-valid"]=!0,a.elementValidationState=!0),i()===t?i.valueHasMutated?i.valueHasMutated():i.notifySubscribers():i(t)}})},update:function(e,t,n,r,o){var i=t(),a=(e.attributes["data-dotvvm-format"]||{value:""}).value,s=ko.unwrap(i);if(a){var l=dotvvm.globalize.formatString(a,s),d=e.attributes["data-invalid-value"];if(null==d){if(e.value=l||"",i.dotvvmMetadata&&i.dotvvmMetadata.elementsMetadata)for(var u=0,v=i.dotvvmMetadata.elementsMetadata;u<v.length;u++){var c=v[u];c.element===e&&(e.attributes["data-dotvvm-value-type-valid"]=!0,c.elementValidationState=!0)}}else e.attributes["data-invalid-value"]=null,e.value=d}else e.value=s}},ko.bindingHandlers["dotvvm-textbox-select-all-on-focus"]={init:function(e,t,n,r,o){e.$selectAllOnFocusHandler=function(){e.select()}},update:function(e,t,n,r,o){!0===ko.unwrap(t())?e.addEventListener("focus",e.$selectAllOnFocusHandler):e.removeEventListener("focus",e.$selectAllOnFocusHandler)}},ko.bindingHandlers["dotvvm-CheckState"]={init:function(e,t,n,r,o){ko.getBindingHandler("checked").init(e,t,n,r,o)},update:function(e,t,n){var r=ko.unwrap(t());e.indeterminate=null==r}}},e}(),DotvvmValidationContext=function(e,t,n){this.valueToValidate=e,this.parentViewModel=t,this.parameters=n},DotvvmValidationObservableMetadata=function(){},DotvvmValidationElementMetadata=function(){this.elementValidationState=!0},DotvvmValidatorBase=function(){function e(){}return e.prototype.isValid=function(e,t){return!1},e.prototype.isEmpty=function(e){return null==e||"string"==typeof e&&""===e.trim()},e.prototype.getValidationMetadata=function(e){return e.dotvvmMetadata},e}(),DotvvmRequiredValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate;return!this.isEmpty(t)},t}(DotvvmValidatorBase),DotvvmRegularExpressionValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate,n=e.parameters[0];return this.isEmpty(t)||new RegExp(n).test(t)},t}(DotvvmValidatorBase),DotvvmIntRangeValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate,n=e.parameters[0],r=e.parameters[1];return t%1==0&&n<=t&&t<=r},t}(DotvvmValidatorBase),DotvvmEnforceClientFormatValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e,t){var n=!0;e.parameters[0]||null!=e.valueToValidate||(n=!1),e.parameters[1]||0!==e.valueToValidate.length||(n=!1),!e.parameters[2]&&this.isEmpty(e.valueToValidate)&&(n=!1);var r=this.getValidationMetadata(t);if(r&&r.elementsMetadata)for(var o=0,i=r.elementsMetadata;o<i.length;o++){i[o].elementValidationState||(n=!1)}return n},t}(DotvvmValidatorBase),DotvvmRangeValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e,t){var n=e.valueToValidate,r=e.parameters[0],o=e.parameters[1];return r<=n&&n<=o},t}(DotvvmValidatorBase),DotvvmNotNullValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){return null!==e.valueToValidate&&void 0!==e.valueToValidate},t}(DotvvmValidatorBase),DotvvmEmailAddressValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate;if(null==t)return!0;if("string"!=typeof t)return!1;for(var n=!1,r=0;r<t.length;r++)if("@"==t[r]){if(n||0==r||r==t.length-1)return!1;n=!0}return n},t}(DotvvmValidatorBase),ValidationError=function(){function e(e,t){this.validatedObservable=e,this.errorMessage=t}return e.getOrCreate=function(e){if(e.wrappedProperty){var t=e.wrappedProperty();ko.isObservable(t)&&(e=t)}return e.validationErrors||(e.validationErrors=ko.observableArray()),e.validationErrors},e.isValid=function(e){return!e.validationErrors||0===e.validationErrors().length},e.prototype.clear=function(e){this.validatedObservable.validationErrors.remove(this),e.errors.remove(this)},e}(),DotvvmValidation=function(){function e(i){var d=this;this.rules={required:new DotvvmRequiredValidator,regularExpression:new DotvvmRegularExpressionValidator,intrange:new DotvvmIntRangeValidator,range:new DotvvmRangeValidator,emailAddress:new DotvvmEmailAddressValidator,notnull:new DotvvmNotNullValidator,enforceClientFormat:new DotvvmEnforceClientFormatValidator},this.errors=ko.observableArray([]),this.events={validationErrorsChanged:new DotvvmEvent("dotvvm.validation.events.validationErrorsChanged")},this.elementUpdateFunctions={hideWhenValid:function(e,t,n){0<t.length?e.style.display="":e.style.display="none"},invalidCssClass:function(e,t,n){if(0<t.length)e.className+=" "+n;else{var r=n.split(" ");e.className=e.className.split(" ").filter(function(e){return r.indexOf(e)<0}).join(" ")}},setToolTipText:function(e,t,n){0<t.length?e.title=t.join(", "):e.title=""},showErrorMessageText:function(e,t,n){e[e.innerText?"innerText":"textContent"]=t.join(", ")}};function t(o){return{execute:function(e,t){if(o){t.additionalPostbackData.validationTargetPath=o;var n=ko.contextFor(t.sender),r=i.evaluator.evaluateOnViewModel(n,o);if(d.errors([]),d.clearValidationErrors(i.viewModelObservables[t.viewModelName||"root"]),d.validateViewModel(r),0<d.errors().length)return console.log("Validation failed: postback aborted; errors: ",d.errors()),Promise.reject({type:"handler",handler:d,message:"Validation failed"});d.events.validationErrorsChanged.trigger({viewModel:t.viewModel})}return e()}}}i.postbackHandlers.validate=function(e){return t(e.path)},i.postbackHandlers["validate-root"]=function(){return t("dotvvm.viewModelObservables['root']")},i.postbackHandlers["validate-this"]=function(){return t("$data")},i.events.afterPostback.subscribe(function(e){!e.wasInterrupted&&e.serverResponseObject&&("successfulCommand"===e.serverResponseObject.action?(d.mergeValidationRules(e),e.isHandled=!0):"validationErrors"===e.serverResponseObject.action&&(d.showValidationErrorsFromServer(e),e.isHandled=!0)),d.events.validationErrorsChanged.trigger(e)}),i.events.spaNavigating.subscribe(function(e){d.clearValidationErrors(i.viewModelObservables[e.viewModelName])}),ko.bindingHandlers.dotvvmValidation={init:function(t,e,n,r,o){var i=e();if(ko.isObservable(i)){function a(e,t){for(var n in s)s.hasOwnProperty(n)&&d.elementUpdateFunctions[n](e,t.map(function(e){return e.errorMessage}),s[n])}var s=n.get("dotvvmValidationOptions"),l=ValidationError.getOrCreate(i);l.subscribe(function(e){return a(t,e)}),a(t,l())}}}}return e.prototype.validateViewModel=function(e){if(ko.isObservable(e)&&(e=ko.unwrap(e)),e){var t=ko.unwrap(e.$type),n=(dotvvm.viewModels.root.validationRules||{})[t]||{};for(var r in e)if(e.hasOwnProperty(r)&&0!==r.indexOf("$")){var o=e[r];if(o&&ko.isObservable(o)){var i=e[r]();n.hasOwnProperty(r)&&this.validateProperty(e,o,i,n[r]);var a=e[r+"$options"];if(a&&a.type&&ValidationError.isValid(o)&&!dotvvm.serialization.validateType(i,a.type)){var s=new ValidationError(o,"The value of property "+r+" ("+i+") is invalid value for type "+a.type+".");this.addValidationError(o,s)}if(i)if(Array.isArray(i))for(var l=0,d=i;l<d.length;l++){var u=d[l];this.validateViewModel(u)}else i&&i instanceof Object&&this.validateViewModel(i)}}}},e.prototype.validateProperty=function(e,t,n,r){for(var o=0,i=r;o<i.length;o++){var a=i[o],s=this.rules[a.ruleName],l=new DotvvmValidationContext(n,e,a.parameters);if(!s.isValid(l,t)){ValidationError.getOrCreate(t);var d=new ValidationError(t,a.errorMessage);this.addValidationError(t,d)}}},e.prototype.mergeValidationRules=function(e){if(e.serverResponseObject.validationRules){var t=dotvvm.viewModels[e.viewModelName].validationRules;for(var n in void 0===t&&(dotvvm.viewModels[e.viewModelName].validationRules={},t=dotvvm.viewModels[e.viewModelName].validationRules),e.serverResponseObject.validationRules)e.serverResponseObject.validationRules.hasOwnProperty(n)&&(t[n]=e.serverResponseObject.validationRules[n])}},e.prototype.clearValidationErrors=function(e){if(e&&ko.isObservable(e)){if(e.validationErrors)for(var t=0,n=e.validationErrors();t<n.length;t++){n[t].clear(this)}var r=e();if(r){if(Array.isArray(r))for(var o=0,i=r;o<i.length;o++){var a=i[o];this.clearValidationErrors(a)}for(var s in r)if(r.hasOwnProperty(s)&&0!==s.indexOf("$")){var l=r[s];this.clearValidationErrors(l)}}}},e.prototype.getValidationErrors=function(e,t,n,r){if(void 0===r&&(r=!0),!e)return[];var o=[];if(n&&(o=o.concat(ValidationError.getOrCreate(e)())),r){var i=ko.unwrap(e);if(Array.isArray(i))for(var a=0,s=i;a<s.length;a++){var l=s[a];o=o.concat(this.getValidationErrors(l,t,!0,t))}else for(var d in i)if(i.hasOwnProperty(d)&&0!==d.indexOf("$")){var u=i[d];u&&ko.isObservable(u)&&(o=o.concat(this.getValidationErrors(u,t,!0,t)))}}return o},e.prototype.showValidationErrorsFromServer=function(e){var t=ko.contextFor(e.sender),n=dotvvm.evaluator.evaluateOnViewModel(t,e.postbackOptions.additionalPostbackData.validationTargetPath);if(n){this.clearValidationErrors(dotvvm.viewModelObservables[e.viewModelName]);for(var r=e.serverResponseObject.modelState,o=0;o<r.length;o++){var i,a=r[o].propertyPath;i=a?(ko.isObservable(n)&&(n=ko.unwrap(n)),dotvvm.evaluator.evaluateOnViewModel(n,a)):n;var s=new ValidationError(i,r[o].errorMessage);this.addValidationError(i,s)}}},e.prototype.addValidationError=function(e,t){ValidationError.getOrCreate(e).indexOf(t)<0&&(e.validationErrors.push(t),this.errors.push(t))},e}(),DotvvmEvaluator=function(){function DotvvmEvaluator(){}return DotvvmEvaluator.prototype.evaluateOnViewModel=function(context,expression){var result;return result=context&&context.$data?eval("(function ($context) { with($context) { with ($data) { return "+expression+"; } } })")(context):eval("(function ($context) { var $data=$context; with($context) { return "+expression+"; } })")(context),result&&result.$data&&(result=result.$data),result},DotvvmEvaluator.prototype.evaluateOnContext=function(e,t){var n=!1;for(var r in e)if(0===t.indexOf(r)){n=!0;break}return n||(t="$data."+t),this.evaluateOnViewModel(e,t)},DotvvmEvaluator.prototype.getDataSourceItems=function(e){var t=ko.unwrap(e);return void 0===t||null==t?[]:ko.unwrap(t.Items||t)},DotvvmEvaluator.prototype.tryEval=function(e){try{return e()}catch(e){return null}},DotvvmEvaluator.prototype.isObservableArray=function(e){return ko.isComputed(e)?Array.isArray(e.peek()):!!ko.isObservable(e)&&"push"in e},DotvvmEvaluator.prototype.wrapObservable=function(n,e){var r=this,t=ko.pureComputed({read:function(){return ko.unwrap(r.getExpressionResult(n))},write:function(e){return r.updateObservable(n,e)}});return e&&(t.push=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"push",e)},t.pop=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"pop",e)},t.unshift=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"unshift",e)},t.shift=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"shift",e)},t.reverse=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"reverse",e)},t.sort=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"sort",e)},t.splice=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"splice",e)},t.slice=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"slice",e)},t.replace=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"replace",e)},t.indexOf=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"indexOf",e)},t.remove=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"remove",e)},t.removeAll=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"removeAll",e)},t=t.extend({trackArrayChanges:!0})),t.extend({notify:"always"})},DotvvmEvaluator.prototype.updateObservable=function(e,t){var n=this.getExpressionResult(e);ko.isWriteableObservable(n)?n(t):console.error("Cannot write a value to ko.computed because the expression '"+e+"' does not return a writable observable.")},DotvvmEvaluator.prototype.updateObservableArray=function(e,t,n){var r=this.getExpressionResult(e);this.isObservableArray(r)?r[t].apply(r,n):console.error("Cannot execute '"+t+"' function on ko.computed because the expression '"+e+"' does not return an observable array.")},DotvvmEvaluator.prototype.getExpressionResult=function(e){var t=e();return ko.isComputed(t)&&"wrappedProperty"in t&&(t=t.wrappedProperty()),t},DotvvmEvaluator}(),DotvvmEventHub=function(){function e(){this.map={}}return e.prototype.notify=function(e){e in this.map?this.map[e].notifySubscribers():this.map[e]=ko.observable(0)},e.prototype.get=function(e){return this.map[e]||(this.map[e]=ko.observable(0))},e}();function basicAuthenticatedFetch(t,n){var r=sessionStorage.getItem("someAuth");return null!=r&&(null==n&&(n={}),null==n.headers&&(n.headers={}),null==n.headers.Authorization&&(n.headers.Authorization="Basic "+btoa(r))),null==n&&(n={}),n.cache||(n.cache="no-cache"),window.fetch(t,n).then(function(e){return 401===e.status&&null==r?(null==sessionStorage.getItem("someAuth")&&function(){var e=prompt("You credentials for "+(t.url||t))||"";sessionStorage.setItem("someAuth",e)}(),basicAuthenticatedFetch(t,n)):e})}!function(){var a={};DotVVM.prototype.invokeApiFn=function(n,e,o,t){void 0===e&&(e=[]),void 0===o&&(o=[]),void 0===t&&(t=n.toString());var i=a[t]||(a[t]=ko.observable(null)),r=ko.pureComputed(function(){return i()});return r.refreshValue=function(e){var t=i.promise;if(i.isLoading||(i.isLoading=!0,t=function(){try{return{type:"result",result:window.Promise.resolve(ko.ignoreDependencies(n)).then(function(e){e&&(i(ko.unwrap(dotvvm.serialization.deserialize(e,i))),i.notifySubscribers());for(var t=0,n=o;t<n.length;t++){var r=n[t];dotvvm.eventHub.notify(r)}return e},console.warn)}}catch(e){return console.warn(e),{type:"error",error:e}}}(),i.promise=t),"error"!=t.type)return t.result.then(function(e){return i.isLoading=!1},function(e){return i.isLoading=!1}),t.result;if(i.isLoading=!1,e)throw t.error},i.peek()||r.refreshValue(),ko.computed(function(){return e.map(function(e){return"string"==typeof e?dotvvm.eventHub.get(e)():e()})}).subscribe(function(e){return r.refreshValue()}),r},DotVVM.prototype.apiRefreshOn=function(e,t){return"function"!=typeof e.refreshValue&&console.error("The object is not refreshable"),t.subscribe(function(){"function"!=typeof e.refreshValue&&console.error("The object is not refreshable"),e.refreshValue&&e.refreshValue()}),e},DotVVM.prototype.api={},DotVVM.prototype.eventHub=new DotvvmEventHub}();
\ No newline at end of file
diff --git a/src/DotVVM.Framework/Resources/Scripts/DotVVM.ts b/src/DotVVM.Framework/Resources/Scripts/DotVVM.ts
index 5ce39623d8..ed4d2ee29b 100644
--- a/src/DotVVM.Framework/Resources/Scripts/DotVVM.ts
+++ b/src/DotVVM.Framework/Resources/Scripts/DotVVM.ts
@@ -395,7 +395,6 @@ class DotVVM {
                 ...currentState
             };
 
-            console.log(JSON.stringify(state))
             history.replaceState(state, document.title);
         }
 

From e49238436ed986dd5bb2a5241e157949e9d4e3d4 Mon Sep 17 00:00:00 2001
From: Gerard Smit <gsmit1996@gmail.com>
Date: Mon, 29 Apr 2019 19:40:55 +0200
Subject: [PATCH 3/4] Added hidden input for the persisted viewmodel

This way we can see if the browser supports reloading the hidden input fields. If this is not the case the History API will be used.
---
 .../Infrastructure/BodyResourceLinks.cs       |  5 ++
 .../Resources/Scripts/DotVVM.d.ts             | 86 +++++++++----------
 .../Resources/Scripts/DotVVM.js               | 71 ++++++++-------
 .../Resources/Scripts/DotVVM.min.js           |  2 +-
 .../Resources/Scripts/DotVVM.ts               | 48 ++++++-----
 5 files changed, 114 insertions(+), 98 deletions(-)

diff --git a/src/DotVVM.Framework/Controls/Infrastructure/BodyResourceLinks.cs b/src/DotVVM.Framework/Controls/Infrastructure/BodyResourceLinks.cs
index 19f0480d9e..55d92c2dd2 100644
--- a/src/DotVVM.Framework/Controls/Infrastructure/BodyResourceLinks.cs
+++ b/src/DotVVM.Framework/Controls/Infrastructure/BodyResourceLinks.cs
@@ -35,6 +35,11 @@ protected override void RenderControl(IHtmlWriter writer, IDotvvmRequestContext
             writer.AddAttribute("value", serializedViewModel);
             writer.RenderSelfClosingTag("input");
 
+
+            writer.AddAttribute("type", "hidden");
+            writer.AddAttribute("id", "__dot_persisted_viewmodel_root");
+            writer.RenderSelfClosingTag("input");
+
             // init on load
             writer.RenderBeginTag("script");
             writer.WriteUnencodedText($@"
diff --git a/src/DotVVM.Framework/Resources/Scripts/DotVVM.d.ts b/src/DotVVM.Framework/Resources/Scripts/DotVVM.d.ts
index e999c1de50..3b6ea21cb9 100644
--- a/src/DotVVM.Framework/Resources/Scripts/DotVVM.d.ts
+++ b/src/DotVVM.Framework/Resources/Scripts/DotVVM.d.ts
@@ -97,7 +97,7 @@ declare class DotvvmAfterPostBackEventArgs implements PostbackEventArgs {
     postbackOptions: PostbackOptions;
     serverResponseObject: any;
     commandResult: any;
-    xhr: XMLHttpRequest | undefined;
+    xhr?: XMLHttpRequest | undefined;
     isHandled: boolean;
     wasInterrupted: boolean;
     readonly postbackClientId: number;
@@ -117,7 +117,7 @@ declare class DotvvmSpaNavigatedEventArgs implements DotvvmEventArgs {
     viewModel: any;
     viewModelName: string;
     serverResponseObject: any;
-    xhr: XMLHttpRequest | undefined;
+    xhr?: XMLHttpRequest | undefined;
     isHandled: boolean;
     constructor(viewModel: any, viewModelName: string, serverResponseObject: any, xhr?: XMLHttpRequest | undefined);
 }
@@ -131,8 +131,8 @@ declare class DotvvmRedirectEventArgs implements DotvvmEventArgs {
 }
 declare class DotvvmFileUpload {
     showUploadDialog(sender: HTMLElement): void;
-    private getIframe(sender);
-    private openUploadDialog(iframe);
+    private getIframe;
+    private openUploadDialog;
     createUploadId(sender: HTMLElement, iframe: HTMLElement): void;
     reportProgress(targetControlId: any, isBusy: boolean, progress: number, result: DotvvmFileUploadData[] | string): void;
 }
@@ -155,7 +155,7 @@ declare class DotvvmFileSize {
     FormattedText: KnockoutObservable<string>;
 }
 declare class DotvvmGlobalize {
-    private getGlobalize();
+    private getGlobalize;
     format(format: string, ...values: any[]): string;
     formatString(format: string, value: any): any;
     parseDotvvmDate(value: string): Date | null;
@@ -192,10 +192,10 @@ interface AdditionalPostbackData {
 }
 declare class PostbackOptions {
     readonly postbackId: number;
-    readonly sender: HTMLElement | undefined;
+    readonly sender?: HTMLElement | undefined;
     readonly args: any[];
-    readonly viewModel: any;
-    readonly viewModelName: string | undefined;
+    readonly viewModel?: any;
+    readonly viewModelName?: string | undefined;
     readonly additionalPostbackData: AdditionalPostbackData;
     constructor(postbackId: number, sender?: HTMLElement | undefined, args?: any[], viewModel?: any, viewModelName?: string | undefined);
 }
@@ -228,10 +228,10 @@ declare class DotvvmSerialization {
     wrapObservable<T>(obj: T): KnockoutObservable<T>;
     serialize(viewModel: any, opt?: ISerializationOptions): any;
     validateType(value: any, type: string): boolean;
-    private findObject(obj, matcher);
+    private findObject;
     flatSerialize(viewModel: any): any;
     getPureObject(viewModel: any): {};
-    private pad(value, digits);
+    private pad;
     serializeDate(date: string | Date | null, convertToUtc?: boolean): string | null;
 }
 interface Document {
@@ -285,7 +285,7 @@ declare class DotVVM {
     private suppressOnDisabledElementHandler;
     private beforePostbackEventPostbackHandler;
     private isPostBackRunningHandler;
-    private createWindowSetTimeoutHandler(time);
+    private createWindowSetTimeoutHandler;
     private windowSetTimeoutHandler;
     private commonConcurrencyHandler;
     private defaultConcurrencyPostbackHandler;
@@ -308,48 +308,48 @@ declare class DotVVM {
     useHistoryApiSpaNavigation: boolean;
     isPostbackRunning: KnockoutObservable<boolean>;
     useHistoryApiViewModel: boolean;
-    private isBrowserReload();
+    private isBrowserReload;
     init(viewModelName: string, culture: string): void;
-    private handlePopState(viewModelName, event, inSpaPage);
-    private handleHashChangeWithHistory(viewModelName, spaPlaceHolder, isInitialPageLoad);
-    private handleHashChange(viewModelName, spaPlaceHolder, isInitialPageLoad);
-    private persistViewModel(viewModelName);
-    private backUpPostBackConter();
-    private isPostBackStillActive(currentPostBackCounter);
+    private handlePopState;
+    private handleHashChangeWithHistory;
+    private handleHashChange;
+    private persistViewModel;
+    private backUpPostBackConter;
+    private isPostBackStillActive;
     staticCommandPostback(viewModelName: string, sender: HTMLElement, command: string, args: any[], callback?: (_: any) => void, errorCallback?: (xhr: XMLHttpRequest, error?: any) => void): void;
-    private processPassedId(id, context);
+    private processPassedId;
     protected getPostbackHandler(name: string): (options: any) => DotvvmPostbackHandler;
-    private isPostbackHandler(obj);
+    private isPostbackHandler;
     findPostbackHandlers(knockoutContext: any, config: ClientFriendlyPostbackHandlerConfiguration[]): DotvvmPostbackHandler[];
-    private sortHandlers(handlers);
-    private applyPostbackHandlersCore(callback, options, handlers?);
+    private sortHandlers;
+    private applyPostbackHandlersCore;
     applyPostbackHandlers(callback: (options: PostbackOptions) => Promise<PostbackCommitFunction | undefined>, sender: HTMLElement, handlers?: ClientFriendlyPostbackHandlerConfiguration[], args?: any[], context?: any, viewModel?: any, viewModelName?: string): Promise<DotvvmAfterPostBackEventArgs>;
     postbackCore(options: PostbackOptions, path: string[], command: string, controlUniqueId: string, context: any, commandArgs?: any[]): Promise<() => Promise<DotvvmAfterPostBackEventArgs>>;
     handleSpaNavigation(element: HTMLElement): boolean;
     handleSpaNavigationCore(url: string | null): boolean;
     postBack(viewModelName: string, sender: HTMLElement, path: string[], command: string, controlUniqueId: string, context?: any, handlers?: ClientFriendlyPostbackHandlerConfiguration[], commandArgs?: any[]): Promise<DotvvmAfterPostBackEventArgs>;
-    private loadResourceList(resources, callback);
-    private loadResourceElements(elements, offset, callback);
-    private getSpaPlaceHolder();
-    private navigateCore(viewModelName, url, handlePageNavigating?);
-    private handleRedirect(resultObject, viewModelName, replace?);
-    private performRedirect(url, replace, useHistoryApiSpaRedirect?);
-    private fixSpaUrlPrefix(url);
-    private removeVirtualDirectoryFromUrl(url, viewModelName);
-    private addLeadingSlash(url);
-    private concatUrl(url1, url2);
+    private loadResourceList;
+    private loadResourceElements;
+    private getSpaPlaceHolder;
+    private navigateCore;
+    private handleRedirect;
+    private performRedirect;
+    private fixSpaUrlPrefix;
+    private removeVirtualDirectoryFromUrl;
+    private addLeadingSlash;
+    private concatUrl;
     patch(source: any, patch: any): any;
-    private updateDynamicPathFragments(context, path);
-    private postJSON(url, method, postData, success, error, preprocessRequest?);
-    private getJSON(url, method, spaPlaceHolderUniqueId, success, error);
+    private updateDynamicPathFragments;
+    private postJSON;
+    private getJSON;
     getXHR(): XMLHttpRequest;
-    private cleanUpdatedControls(resultObject, updatedControls?);
-    private restoreUpdatedControls(resultObject, updatedControls, applyBindingsOnEachControl);
+    private cleanUpdatedControls;
+    private restoreUpdatedControls;
     unwrapArrayExtension(array: any): any;
     buildRouteUrl(routePath: string, params: any): string;
     buildUrlSuffix(urlSuffix: string, query: any): string;
-    private isPostBackProhibited(element);
-    private addKnockoutBindingHandlers();
+    private isPostBackProhibited;
+    private addKnockoutBindingHandlers;
 }
 declare class DotvvmValidationContext {
     valueToValidate: any;
@@ -455,7 +455,7 @@ declare class DotvvmValidation {
      * Adds validation errors from the server to the appropriate arrays
      */
     showValidationErrorsFromServer(args: DotvvmAfterPostBackEventArgs): void;
-    private addValidationError(validatedProperty, error);
+    private addValidationError;
 }
 declare var dotvvm: DotVVM;
 declare class DotvvmEvaluator {
@@ -465,9 +465,9 @@ declare class DotvvmEvaluator {
     tryEval(func: () => any): any;
     isObservableArray(instance: any): instance is KnockoutObservableArray<any>;
     wrapObservable(func: () => any, isArray?: boolean): KnockoutComputed<any>;
-    private updateObservable(getObservable, value);
-    private updateObservableArray(getObservableArray, fnName, args);
-    private getExpressionResult(func);
+    private updateObservable;
+    private updateObservableArray;
+    private getExpressionResult;
 }
 declare type ApiComputed<T> = KnockoutObservable<T | null> & {
     refreshValue: (throwOnError?: boolean) => PromiseLike<any> | undefined;
diff --git a/src/DotVVM.Framework/Resources/Scripts/DotVVM.js b/src/DotVVM.Framework/Resources/Scripts/DotVVM.js
index 2fa5e58cc7..b36af20b27 100644
--- a/src/DotVVM.Framework/Resources/Scripts/DotVVM.js
+++ b/src/DotVVM.Framework/Resources/Scripts/DotVVM.js
@@ -1,15 +1,21 @@
-var __assign = (this && this.__assign) || Object.assign || function(t) {
-    for (var s, i = 1, n = arguments.length; i < n; i++) {
-        s = arguments[i];
-        for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
-            t[p] = s[p];
-    }
-    return t;
+var __assign = (this && this.__assign) || function () {
+    __assign = Object.assign || function(t) {
+        for (var s, i = 1, n = arguments.length; i < n; i++) {
+            s = arguments[i];
+            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
+                t[p] = s[p];
+        }
+        return t;
+    };
+    return __assign.apply(this, arguments);
 };
 var __extends = (this && this.__extends) || (function () {
-    var extendStatics = Object.setPrototypeOf ||
-        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
-        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
     return function (d, b) {
         extendStatics(d, b);
         function __() { this.constructor = d; }
@@ -1001,15 +1007,18 @@ var DotVVM = /** @class */ (function () {
         var _this = this;
         this.addKnockoutBindingHandlers();
         // load the viewmodel
-        var thisViewModel;
-        var shouldLoadFromHistoryApi = this.useHistoryApiViewModel && !this.isBrowserReload() && history.state && history.state.dotvvm_viewmodels && history.state.dotvvm_viewmodels[viewModelName];
-        if (shouldLoadFromHistoryApi) {
-            // create a new object, otherwise the object in the history state will be changed which will result in serialize errors.
-            thisViewModel = __assign({}, history.state.dotvvm_viewmodels[viewModelName]);
+        var persistedJson = document.getElementById("__dot_persisted_viewmodel_" + viewModelName).value;
+        var json;
+        if (persistedJson) {
+            json = persistedJson;
+        }
+        else if (!this.isBrowserReload() && history.state && history.state.dotvvm_viewmodels && history.state.dotvvm_viewmodels[viewModelName]) {
+            json = history.state.dotvvm_viewmodels[viewModelName];
         }
         else {
-            thisViewModel = JSON.parse(document.getElementById("__dot_viewmodel_" + viewModelName).value);
+            json = document.getElementById("__dot_viewmodel_" + viewModelName).value;
         }
+        var thisViewModel = thisViewModel = JSON.parse(json);
         this.viewModels[viewModelName] = thisViewModel;
         if (thisViewModel.resources) {
             for (var r in thisViewModel.resources) {
@@ -1120,14 +1129,8 @@ var DotVVM = /** @class */ (function () {
         }
     };
     DotVVM.prototype.persistViewModel = function (viewModelName) {
+        var _a;
         var viewModel = this.viewModels[viewModelName];
-        if (this.useHistoryApiViewModel) {
-            var currentState = history.state ? history.state : {};
-            var persistedViewModels = currentState.dotvvm_viewmodels ? currentState.dotvvm_viewmodels : {};
-            // add the new viewmodel to the existing state, otherwise SPA mode will break.
-            var state = __assign({ dotvvm_viewmodels: __assign((_a = {}, _a[viewModelName] = ko.toJS(viewModel), _a), persistedViewModels) }, currentState);
-            history.replaceState(state, document.title);
-        }
         var persistedViewModel = {};
         for (var p in viewModel) {
             if (viewModel.hasOwnProperty(p)) {
@@ -1135,8 +1138,14 @@ var DotVVM = /** @class */ (function () {
             }
         }
         persistedViewModel["viewModel"] = this.serialization.serialize(persistedViewModel["viewModel"], { serializeAll: true });
-        document.getElementById("__dot_viewmodel_" + viewModelName).value = JSON.stringify(persistedViewModel);
-        var _a;
+        var json = JSON.stringify(persistedViewModel);
+        var currentState = history.state ? history.state : {};
+        var persistedViewModels = currentState.dotvvm_viewmodels ? currentState.dotvvm_viewmodels : {};
+        // add the new viewmodel to the existing state, otherwise SPA mode will break.
+        var state = __assign({}, currentState, { dotvvm_viewmodels: __assign({}, persistedViewModels, (_a = {}, _a[viewModelName] = json, _a)) });
+        document.getElementById("__dot_viewmodel_" + viewModelName).value = json;
+        document.getElementById("__dot_persisted_viewmodel_" + viewModelName).value = json;
+        history.replaceState(state, document.title);
     };
     DotVVM.prototype.backUpPostBackConter = function () {
         return ++this.postBackCounter;
@@ -1213,8 +1222,8 @@ var DotVVM = /** @class */ (function () {
     DotVVM.prototype.sortHandlers = function (handlers) {
         var getHandler = (function () {
             var handlerMap = {};
-            for (var _i = 0, handlers_1 = handlers; _i < handlers_1.length; _i++) {
-                var h = handlers_1[_i];
+            for (var _i = 0, handlers_2 = handlers; _i < handlers_2.length; _i++) {
+                var h = handlers_2[_i];
                 if (h.name != null) {
                     handlerMap[h.name] = h;
                 }
@@ -1222,8 +1231,8 @@ var DotVVM = /** @class */ (function () {
             return function (s) { return typeof s == "string" ? handlerMap[s] : s; };
         })();
         var dependencies = handlers.map(function (handler, i) { return (handler["@sort_index"] = i, ({ handler: handler, deps: (handler.after || []).map(getHandler) })); });
-        for (var _i = 0, handlers_2 = handlers; _i < handlers_2.length; _i++) {
-            var h = handlers_2[_i];
+        for (var _i = 0, handlers_1 = handlers; _i < handlers_1.length; _i++) {
+            var h = handlers_1[_i];
             if (h.before)
                 for (var _a = 0, _b = h.before.map(getHandler); _a < _b.length; _a++) {
                     var before = _b[_a];
@@ -1897,6 +1906,7 @@ var DotVVM = /** @class */ (function () {
         ko.virtualElements.allowedBindings["dotvvm-SSR-foreach"] = true;
         ko.bindingHandlers["dotvvm-SSR-foreach"] = {
             init: function (element, valueAccessor, _allBindings, _viewModel, bindingContext) {
+                var _a;
                 if (!bindingContext)
                     throw new Error();
                 var value = valueAccessor();
@@ -1904,7 +1914,6 @@ var DotVVM = /** @class */ (function () {
                 element.innerBindingContext = innerBindingContext;
                 ko.applyBindingsToDescendants(innerBindingContext, element);
                 return { controlsDescendantBindings: true }; // do not apply binding again
-                var _a;
             }
         };
         ko.virtualElements.allowedBindings["dotvvm-SSR-item"] = true;
@@ -1923,6 +1932,7 @@ var DotVVM = /** @class */ (function () {
         ko.virtualElements.allowedBindings["withGridViewDataSet"] = true;
         ko.bindingHandlers["withGridViewDataSet"] = {
             init: function (element, valueAccessor, allBindings, viewModel, bindingContext) {
+                var _a;
                 if (!bindingContext)
                     throw new Error();
                 var value = valueAccessor();
@@ -1930,7 +1940,6 @@ var DotVVM = /** @class */ (function () {
                 element.innerBindingContext = innerBindingContext;
                 ko.applyBindingsToDescendants(innerBindingContext, element);
                 return { controlsDescendantBindings: true }; // do not apply binding again
-                var _a;
             },
             update: function (element, valueAccessor, allBindings, viewModel, bindingContext) {
             }
diff --git a/src/DotVVM.Framework/Resources/Scripts/DotVVM.min.js b/src/DotVVM.Framework/Resources/Scripts/DotVVM.min.js
index 27ea2b8527..b8fe42bd6b 100644
--- a/src/DotVVM.Framework/Resources/Scripts/DotVVM.min.js
+++ b/src/DotVVM.Framework/Resources/Scripts/DotVVM.min.js
@@ -1 +1 @@
-var __assign=this&&this.__assign||Object.assign||function(e){for(var t,n=1,r=arguments.length;n<r;n++)for(var o in t=arguments[n])Object.prototype.hasOwnProperty.call(t,o)&&(e[o]=t[o]);return e},__extends=this&&this.__extends||function(){var r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n])};return function(e,t){function n(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(n.prototype=t.prototype,new n)}}();!function(){if("undefined"==typeof Promise||!self.fetch){var e=document.createElement("script");e.src=window.dotvvm__polyfillUrl,e.type="text/javascript",document.getElementsByTagName("head")[0].appendChild(e)}}();var DotvvmDomUtils=function(){function e(){}return e.prototype.onDocumentReady=function(e){/in/.test(document.readyState)?setTimeout("dotvvm.domUtils.onDocumentReady("+e+")",9):e()},e.prototype.attachEvent=function(e,t,n,r){void 0===r&&(r=!1),e.addEventListener?e.addEventListener(t,n,r):e.attachEvent("on"+t,n)},e}(),HistoryRecord=function(e,t){this.navigationType=e,this.url=t},DotvvmSpaHistory=function(){function e(){}return e.prototype.pushPage=function(e){history.pushState(new HistoryRecord("SPA",e),"",e)},e.prototype.replacePage=function(e){history.replaceState(new HistoryRecord("SPA",e),"",e)},e.prototype.isSpaPage=function(e){return e&&"SPA"==e.navigationType},e.prototype.getHistoryRecord=function(e){return e},e}(),DotvvmEvents=function(){this.init=new DotvvmEvent("dotvvm.events.init",!0),this.beforePostback=new DotvvmEvent("dotvvm.events.beforePostback"),this.afterPostback=new DotvvmEvent("dotvvm.events.afterPostback"),this.error=new DotvvmEvent("dotvvm.events.error"),this.spaNavigating=new DotvvmEvent("dotvvm.events.spaNavigating"),this.spaNavigated=new DotvvmEvent("dotvvm.events.spaNavigated"),this.redirect=new DotvvmEvent("dotvvm.events.redirect"),this.postbackHandlersStarted=new DotvvmEvent("dotvvm.events.postbackHandlersStarted"),this.postbackHandlersCompleted=new DotvvmEvent("dotvvm.events.postbackHandlersCompleted"),this.postbackResponseReceived=new DotvvmEvent("dotvvm.events.postbackResponseReceived"),this.postbackCommitInvoked=new DotvvmEvent("dotvvm.events.postbackCommitInvoked"),this.postbackViewModelUpdated=new DotvvmEvent("dotvvm.events.postbackViewModelUpdated"),this.postbackRejected=new DotvvmEvent("dotvvm.events.postbackRejected"),this.staticCommandMethodInvoking=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoking"),this.staticCommandMethodInvoked=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoked"),this.staticCommandMethodFailed=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoked")},DotvvmEventHandler=function(e,t){this.handler=e,this.isOneTime=t},DotvvmEvent=function(){function e(e,t){void 0===t&&(t=!1),this.name=e,this.triggerMissedEventsOnSubscribe=t,this.handlers=[],this.history=[]}return e.prototype.subscribe=function(e){if(this.handlers.push(new DotvvmEventHandler(e,!1)),this.triggerMissedEventsOnSubscribe)for(var t=0;t<this.history.length;t++)e(history[t])},e.prototype.subscribeOnce=function(e){this.handlers.push(new DotvvmEventHandler(e,!0))},e.prototype.unsubscribe=function(e){for(var t=0;t<this.handlers.length;t++)if(this.handlers[t].handler===e)return void this.handlers.splice(t,1)},e.prototype.trigger=function(e){for(var t=0;t<this.handlers.length;t++)this.handlers[t].handler(e),this.handlers[t].isOneTime&&(this.handlers.splice(t,1),t--);this.triggerMissedEventsOnSubscribe&&this.history.push(e)},e}(),DotvvmErrorEventArgs=function(e,t,n,r,o,i,a){void 0===i&&(i=void 0),void 0===a&&(a=!1),this.sender=e,this.viewModel=t,this.viewModelName=n,this.xhr=r,this.postbackClientId=o,this.serverResponseObject=i,this.isSpaNavigationError=a,this.handled=!1},DotvvmBeforePostBackEventArgs=function(e,t,n,r){this.sender=e,this.viewModel=t,this.viewModelName=n,this.postbackClientId=r,this.cancel=!1,this.clientValidationFailed=!1},DotvvmAfterPostBackEventArgs=function(){function e(e,t,n,r){void 0===n&&(n=null),this.postbackOptions=e,this.serverResponseObject=t,this.commandResult=n,this.xhr=r,this.isHandled=!1,this.wasInterrupted=!1}return Object.defineProperty(e.prototype,"postbackClientId",{get:function(){return this.postbackOptions.postbackId},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"viewModelName",{get:function(){return this.postbackOptions.viewModelName},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"viewModel",{get:function(){return this.postbackOptions.viewModel},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"sender",{get:function(){return this.postbackOptions.sender},enumerable:!0,configurable:!0}),e}(),DotvvmSpaNavigatingEventArgs=function(e,t,n){this.viewModel=e,this.viewModelName=t,this.newUrl=n,this.cancel=!1},DotvvmSpaNavigatedEventArgs=function(e,t,n,r){this.viewModel=e,this.viewModelName=t,this.serverResponseObject=n,this.xhr=r,this.isHandled=!1},DotvvmRedirectEventArgs=function(e,t,n,r){this.viewModel=e,this.viewModelName=t,this.url=n,this.replace=r,this.isHandled=!1},DotvvmFileUpload=function(){function e(){}return e.prototype.showUploadDialog=function(e){var t=this.getIframe(e);this.createUploadId(e,t),this.openUploadDialog(t)},e.prototype.getIframe=function(e){return e.parentElement.previousSibling},e.prototype.openUploadDialog=function(e){var t=e.contentWindow;t&&t.document.getElementById("upload").click()},e.prototype.createUploadId=function(e,t){t=t||this.getIframe(e);var n="DotVVM_upl"+(new Date).getTime().toString();e.parentElement.parentElement.setAttribute("data-dotvvm-upload-id",n),t.setAttribute("data-dotvvm-upload-id",n)},e.prototype.reportProgress=function(e,t,n,r){var o=document.querySelector("div[data-dotvvm-upload-id='"+e.value+"']"),i=ko.dataFor(o.firstChild);if("string"==typeof r)i.Error(r);else{i.Error("");for(var a=0;a<r.length;a++)i.Files.push(dotvvm.serialization.wrapObservable(dotvvm.serialization.deserialize(r[a])));(o.attributes["data-dotvvm-upload-completed"]||{value:null}).value&&new Function(o.attributes["data-dotvvm-upload-completed"].value).call(o)}i.Progress(n),i.IsBusy(t)},e}(),DotvvmFileUploadCollection=function(){this.Files=ko.observableArray(),this.Progress=ko.observable(0),this.Error=ko.observable(),this.IsBusy=ko.observable()},DotvvmFileUploadData=function(){this.FileId=ko.observable(),this.FileName=ko.observable(),this.FileSize=ko.observable(),this.IsFileTypeAllowed=ko.observable(),this.IsMaxSizeExceeded=ko.observable(),this.IsAllowed=ko.observable()},DotvvmFileSize=function(){this.Bytes=ko.observable(),this.FormattedText=ko.observable()},DotvvmGlobalize=function(){function e(){}return e.prototype.getGlobalize=function(){var e=window.dotvvm_Globalize;if(!e)throw new Error("Resource 'globalize' is not included (symbol 'dotvvm_Globalize' could not be found).\nIt is usually included automatically when needed, but sometime it's not possible, so you will have to include it in your page using '<dot:RequiredResource Name=\"globalize\" />'");return e},e.prototype.format=function(e){for(var o=this,i=[],t=1;t<arguments.length;t++)i[t-1]=arguments[t];return e.replace(/\{([1-9]?[0-9]+)(:[^}]+)?\}/g,function(e,t,n){var r=i[parseInt(t)];return n?o.formatString(n,r):r})},e.prototype.formatString=function(e,t){if(null==(t=ko.unwrap(t))||""===t)return"";if("string"==typeof t&&null==(t=this.parseDotvvmDate(t)))throw new Error("Could not parse "+t+" as a date");return""!==e&&null!==e||(e="G"),this.getGlobalize().format(t,e,dotvvm.culture)},e.prototype.parseDotvvmDate=function(e){var t=e.match("^([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})(\\.[0-9]{3,7})$");return t?new Date(parseInt(t[1]),parseInt(t[2])-1,parseInt(t[3]),parseInt(t[4]),parseInt(t[5]),parseInt(t[6]),7<t.length?parseInt(t[7].substring(1,4)):0):null},e.prototype.parseNumber=function(e){return this.getGlobalize().parseFloat(e,10,dotvvm.culture)},e.prototype.parseDate=function(e,t,n){return this.getGlobalize().parseDate(e,t,dotvvm.culture,n)},e.prototype.bindingDateToString=function(t,n){var r=this;if(void 0===n&&(n="G"),!t)return"";function o(){var e=ko.unwrap(t);return"string"==typeof e?r.parseDotvvmDate(e):e}function e(){var e=o();return null!=e?r.getGlobalize().format(e,n,dotvvm.culture):""}if(ko.isWriteableObservable(t)){var i="string"==typeof o()?function(e){return t(null==e?null:dotvvm.serialization.serializeDate(e,!1))}:t;return ko.pureComputed({read:function(){return e()},write:function(e){return i(r.getGlobalize().parseDate(e,n,dotvvm.culture))}})}return ko.pureComputed(function(){return e()})},e.prototype.bindingNumberToString=function(r,t){var o=this;if(void 0===t&&(t="G"),null==r)return"";function e(){var e=function(){var e=ko.unwrap(r);return"string"==typeof e?o.parseNumber(e):e}();return null!=e?o.getGlobalize().format(e,t,dotvvm.culture):""}return ko.isWriteableObservable(r)?ko.pureComputed({read:function(){return e()},write:function(e){var t=o.getGlobalize().parseFloat(e,10,dotvvm.culture),n=null==e||null!=t&&!isNaN(t);r(n?t:null)}}):ko.pureComputed(function(){return e()})},e}(),PostbackOptions=function(e,t,n,r,o){void 0===n&&(n=[]),this.postbackId=e,this.sender=t,this.args=n,this.viewModel=r,this.viewModelName=o,this.additionalPostbackData={}},ConfirmPostBackHandler=function(){function e(e){this.message=e}return e.prototype.execute=function(n,e){var r=this;return new Promise(function(e,t){confirm(r.message)?n().then(e,t):t({type:"handler",handler:r,message:"The postback was not confirmed"})})},e}(),SuppressPostBackHandler=function(){function e(e){this.suppress=e}return e.prototype.execute=function(n,e){var r=this;return new Promise(function(e,t){r.suppress?t({type:"handler",handler:r,message:"The postback was suppressed"}):n().then(e,t)})},e}(),DotvvmSerialization=function(){function e(){}return e.prototype.deserialize=function(e,t,n){if(void 0===n&&(n=!1),void 0===e||null==e)return ko.isObservable(t)?(t(e),t):e;if("string"==typeof e||"number"==typeof e||"boolean"==typeof e)return ko.isObservable(t)?(t(e),t):e;if(e instanceof Date)return e=dotvvm.serialization.serializeDate(e),ko.isObservable(t)?(t(e),t):e;if(e instanceof Array){if(ko.isObservable(t)&&"removeAll"in t&&null!=t()&&t().length===e.length)for(var r=t(),o=0;o<e.length;o++){var i=r[o]();i!==(c=this.deserialize(e[o],i,n))&&r[o](c)}else{var a=[];for(o=0;o<e.length;o++)a.push(this.wrapObservable(this.deserialize(e[o],{},n)));ko.isObservable(t)?("removeAll"in t||(ko.utils.extend(t,ko.observableArray.fn),t=t.extend({trackArrayChanges:!0})),t(a)):t=ko.observableArray(a)}return t}void 0===t&&(t={});var s=ko.unwrap(t),l=!1;for(var d in null==s&&(s={},ko.isObservable(t)?l=!0:t=s),e)if(e.hasOwnProperty(d)&&!/\$options$/.test(d)){var u=e[d];if(void 0===u)continue;if(!ko.isObservable(u)&&"function"==typeof u)continue;var v=e[d+"$options"];if(!n&&v&&v.doNotUpdate)continue;var c=ko.isObservable(u)?u:this.deserialize(u,s[d],n);if(u instanceof Date&&(s[d+"$options"]=s[d+"$options"]||{},s[d+"$options"].isDate=!0),ko.isObservable(c))if(ko.isObservable(s[d]))c()!==s[d]()&&s[d](c());else{var p=ko.unwrap(c);s[d]=Array.isArray(p)?ko.observableArray(p):ko.observable(p)}else ko.isObservable(s[d])?c!==s[d]()&&s[d](c):s[d]=ko.observable(c);if(v&&v.clientExtenders&&ko.isObservable(s[d]))for(var f=0;f<v.clientExtenders.length;f++){var h={},m=v.clientExtenders[f];h[m.name]=m.parameter,s[d].extend(h)}}for(var d in e)if(e.hasOwnProperty(d)&&/\$options$/.test(d)){for(var b in s[d]=s[d]||{},e[d])e[d].hasOwnProperty(b)&&(s[d][b]=e[d][b]);var g=d.substring(0,d.length-"$options".length);void 0===s[g]&&(s[g]=ko.observable())}return l&&t(s),t},e.prototype.wrapObservable=function(e){return ko.isObservable(e)?e:ko.observable(e)},e.prototype.serialize=function(e,t){if(void 0===t&&(t={}),(t=ko.utils.extend({},t)).pathOnly&&t.path&&0===t.path.length&&(t.pathOnly=!1),null==e)return null;if("string"==typeof e||"number"==typeof e||"boolean"==typeof e)return e;if(ko.isObservable(e))return this.serialize(e(),t);if("function"==typeof e)return null;if(e instanceof Array){if(t.pathOnly&&t.path){var n=parseInt(t.path.pop());return(r=new Array(n+1))[n]=this.serialize(e[n],t),t.path.push(n.toString()),r}for(var r=[],o=0;o<e.length;o++)r.push(this.serialize(e[o],t));return r}if(e instanceof Date)return t.restApiTarget?e:this.serializeDate(e);var i=t.path&&t.path.pop(),a={};for(var s in e)if(e.hasOwnProperty(s)){if(t.pathOnly&&s!==i)continue;var l=e[s];if(t.ignoreSpecialProperties&&"$"===s[0])continue;if(!t.serializeAll&&(/\$options$/.test(s)||"$validationErrors"===s))continue;if(void 0===l)continue;if(!ko.isObservable(l)&&"function"==typeof l)continue;var d=e[s+"$options"];if(!t.serializeAll&&d&&d.doNotPost);else if(t.oneLevel)a[s]=ko.unwrap(l);else if(!t.serializeAll&&d&&d.pathOnly&&t.pathMatcher){var u=d.pathOnly;u instanceof Array||(u=t.path||this.findObject(l,t.pathMatcher)),u&&(0===u.length?a[s]=this.serialize(l,t):a[s]=this.serialize(l,{ignoreSpecialProperties:t.ignoreSpecialProperties,serializeAll:t.serializeAll,path:u,pathOnly:!0}))}else a[s]=this.serialize(l,t);d&&d.type&&!this.validateType(a[s],d.type)&&(delete a[s],d.wasInvalid=!0)}return i&&t.path&&t.path.push(i),a},e.prototype.validateType=function(e,t){var n="?"===t[t.length-1];if(n&&(t=t.substr(0,t.length-1)),n&&(null==e||""==e))return!0;if(!n&&null==e)return!1;var r=/(u?)int(\d*)/.exec(t);if(r){if(!/^-?\d*$/.test(e))return!1;var o="u"===r[1],i=parseInt(r[2]),a=0,s=Math.pow(2,i)-1;o||(s+=a=-Math.floor(s/2));var l=parseInt(e);return a<=l&&l<=s&&l===parseFloat(e)}return"number"!==t&&"single"!==t&&"double"!==t&&"decimal"!==t||(+e===e||!isNaN(+e)&&"string"==typeof e)},e.prototype.findObject=function(e,t){if(t(e))return[];if(t(e=ko.unwrap(e)))return[];if("object"!=typeof e)return null;for(var n in e)if(e.hasOwnProperty(n)){var r=this.findObject(e[n],t);if(r)return r.push(n),r}return null},e.prototype.flatSerialize=function(e){return this.serialize(e,{ignoreSpecialProperties:!0,oneLevel:!0,serializeAll:!0})},e.prototype.getPureObject=function(e){if((e=ko.unwrap(e))instanceof Array)return e.map(this.getPureObject.bind(this));var t={};for(var n in e)"$"!=n[0]&&(t[n]=e[n]);return t},e.prototype.pad=function(e,t){for(;e.length<t;)e="0"+e;return e},e.prototype.serializeDate=function(e,t){if(void 0===t&&(t=!0),null==e)return null;if("string"==typeof e)return null==dotvvm.globalize.parseDotvvmDate(e)&&console.error(new Error("Date "+e+" is invalid.")),e;var n=new Date(e.getTime());return t?n.setMinutes(e.getMinutes()+e.getTimezoneOffset()):n=e,this.pad(n.getFullYear().toString(),4)+"-"+this.pad((n.getMonth()+1).toString(),2)+"-"+this.pad(n.getDate().toString(),2)+"T"+this.pad(n.getHours().toString(),2)+":"+this.pad(n.getMinutes().toString(),2)+":"+this.pad(n.getSeconds().toString(),2)+"."+this.pad(n.getMilliseconds().toString(),3)+"0000"},e}();document.getElementByDotvvmId=function(e){return document.querySelector("[data-dotvvm-id='"+e+"']")};var DotVVM=function(){function e(){var r,i=this;this.postBackCounter=0,this.lastStartedPostack=0,this.resourceSigns={},this.isViewModelUpdating=!0,this.spaHistory=new DotvvmSpaHistory,this.viewModelObservables={},this.isSpaReady=ko.observable(!1),this.viewModels={},this.serialization=new DotvvmSerialization,this.postbackHandlers={confirm:function(e){return new ConfirmPostBackHandler(e.message)},suppress:function(e){return new SuppressPostBackHandler(e.suppress)},timeout:function(e){return e.time?i.createWindowSetTimeoutHandler(e.time):i.windowSetTimeoutHandler},"concurrency-default":function(n){return{name:"concurrency-default",before:["setIsPostbackRunning"],execute:function(e,t){return i.commonConcurrencyHandler(e(),t,n.q||"default")}}},"concurrency-deny":function(r){return{name:"concurrency-deny",before:["setIsPostbackRunning"],execute:function(e,t){var n=r.q||"default";return 0<dotvvm.getPostbackQueue(n).noRunning?Promise.reject({type:"handler",handler:this,message:"An postback is already running"}):dotvvm.commonConcurrencyHandler(e(),t,n)}}},"concurrency-queue":function(o){return{name:"concurrency-queue",before:["setIsPostbackRunning"],execute:function(e,t){function n(){return dotvvm.commonConcurrencyHandler(e(),t,r)}var r=o.q||"default";return 0<dotvvm.getPostbackQueue(r).noRunning?new Promise(function(e){dotvvm.getPostbackQueue(r).queue.push(function(){return e(n())})}):n()}}},suppressOnUpdating:function(e){return{name:"suppressOnUpdating",before:["setIsPostbackRunning","concurrency-default","concurrency-queue","concurrency-deny"],execute:function(e,t){return dotvvm.isViewModelUpdating?Promise.reject({type:"handler",handler:this,message:"ViewModel is updating, so it's probably false onchange event"}):e()}}}},this.suppressOnDisabledElementHandler={name:"suppressOnDisabledElement",before:["setIsPostbackRunning","concurrency-default","concurrency-queue","concurrency-deny"],execute:function(e,t){return t.sender&&dotvvm.isPostBackProhibited(t.sender)?Promise.reject({type:"handler",handler:i,message:"PostBack is prohitibited on disabled element"}):e()}},this.beforePostbackEventPostbackHandler={execute:function(e,t){var n=new DotvvmBeforePostBackEventArgs(t.sender,t.viewModel,t.viewModelName,t.postbackId);return i.events.beforePostback.trigger(n),n.cancel?Promise.reject({type:"event",options:t}):e()}},this.isPostBackRunningHandler=(r=0,{name:"setIsPostbackRunning",before:["eventInvoke-postbackHandlersStarted"],execute:function(e,t){i.isPostbackRunning(!0),r++;var n=e();return n.then(function(){return i.isPostbackRunning(!!--r)},function(){return i.isPostbackRunning(!!--r)}),n}}),this.windowSetTimeoutHandler=this.createWindowSetTimeoutHandler(0),this.commonConcurrencyHandler=function(e,n,t){var r=i.getPostbackQueue(t);r.noRunning++;function o(){if(r.noRunning--,0<r.queue.length){var e=r.queue.shift();window.setTimeout(e,0)}}return e.then(function(e){var t=i.lastStartedPostack==n.postbackId?e:function(){return Promise.reject(null)};return function(){var e=t();return e.then(o,o),e}},function(e){return o(),Promise.reject(e)})},this.defaultConcurrencyPostbackHandler=this.postbackHandlers["concurrency-default"]({}),this.postbackQueues={},this.postbackHandlersStartedEventHandler={name:"eventInvoke-postbackHandlersStarted",execute:function(e,t){return dotvvm.events.postbackHandlersStarted.trigger(t),e()}},this.postbackHandlersCompletedEventHandler={name:"eventInvoke-postbackHandlersCompleted",after:["eventInvoke-postbackHandlersStarted"],execute:function(e,t){return dotvvm.events.postbackHandlersCompleted.trigger(t),e()}},this.globalPostbackHandlers=[this.suppressOnDisabledElementHandler,this.isPostBackRunningHandler,this.postbackHandlersStartedEventHandler],this.globalLaterPostbackHandlers=[this.postbackHandlersCompletedEventHandler,this.beforePostbackEventPostbackHandler],this.events=new DotvvmEvents,this.globalize=new DotvvmGlobalize,this.evaluator=new DotvvmEvaluator,this.domUtils=new DotvvmDomUtils,this.fileUpload=new DotvvmFileUpload,this.extensions={},this.isPostbackRunning=ko.observable(!1),this.useHistoryApiViewModel=history&&(/Chrome/.test(navigator.userAgent)&&/Google Inc/.test(navigator.vendor)||/Edge/.test(navigator.userAgent))}return e.prototype.createWindowSetTimeoutHandler=function(n){return{name:"timeout",before:["eventInvoke-postbackHandlersStarted","setIsPostbackRunning"],execute:function(e,t){return new Promise(function(e,t){return window.setTimeout(e,n)}).then(function(){return e()})}}},e.prototype.getPostbackQueue=function(e){return void 0===e&&(e="default"),this.postbackQueues[e]||(this.postbackQueues[e]={queue:[],noRunning:0}),this.postbackQueues[e]},e.prototype.isBrowserReload=function(){if(performance){if(performance.getEntriesByType){var e=performance.getEntriesByType("navigation");if(0<e.length)return"reload"===e[0].type}if(performance.navigation)return 1===performance.navigation.type}return!1},e.prototype.init=function(t,e){var n,r=this;if(this.addKnockoutBindingHandlers(),n=this.useHistoryApiViewModel&&!this.isBrowserReload()&&history.state&&history.state.dotvvm_viewmodels&&history.state.dotvvm_viewmodels[t]?__assign({},history.state.dotvvm_viewmodels[t]):JSON.parse(document.getElementById("__dot_viewmodel_"+t).value),(this.viewModels[t]=n).resources)for(var o in n.resources)this.resourceSigns[o]=!0;n.renderedResources&&n.renderedResources.forEach(function(e){return r.resourceSigns[e]=!0});var i=n.resultIdFragment,a=n.viewModel=this.serialization.deserialize(this.viewModels[t].viewModel,{},!0);this.culture=e,this.validation=new DotvvmValidation(this),this.viewModelObservables[t]=ko.observable(a),ko.applyBindings(this.viewModelObservables[t],document.documentElement),this.events.init.trigger({viewModel:a});var s=this.getSpaPlaceHolder();if(null!=s){var l=function(e){return r.handleHashChange(t,s,e)};this.useHistoryApiSpaNavigation=JSON.parse(s.getAttribute("data-dotvvm-spacontentplaceholder-usehistoryapi")),this.useHistoryApiSpaNavigation&&(l=function(e){return r.handleHashChangeWithHistory(t,s,e)});this.domUtils.attachEvent(window,"hashchange",function(){return l(!1)}),l(!0)}if(window.addEventListener("popstate",function(e){return r.handlePopState(t,e,null!=s)}),this.isViewModelUpdating=!1,i)if(s){var d=document.getElementById(i);d&&"function"==typeof d.scrollIntoView&&d.scrollIntoView(!0)}else location.hash=i;this.domUtils.attachEvent(window,"beforeunload",function(e){r.persistViewModel(t)})},e.prototype.handlePopState=function(e,t,n){if(this.spaHistory.isSpaPage(t.state)){var r=this.spaHistory.getHistoryRecord(t.state);n?this.navigateCore(e,r.url):this.performRedirect(r.url,!0),t.preventDefault()}},e.prototype.handleHashChangeWithHistory=function(e,t,n){var r=this;if(0===document.location.hash.indexOf("#!/"))this.navigateCore(e,document.location.hash.substring(2),function(e){r.spaHistory.replacePage(e)});else{var o=t.getAttribute("data-dotvvm-spacontentplaceholder-defaultroute");if(!t.hasAttribute("data-dotvvm-spacontentplaceholder-content")&&o)this.navigateCore(e,"/"+o,function(e){return r.spaHistory.replacePage(e)});else{this.isSpaReady(!0),t.style.display="";var i=location.pathname+location.search+location.hash;this.spaHistory.replacePage(i)}}},e.prototype.handleHashChange=function(e,t,n){if(0===document.location.hash.indexOf("#!/"))this.navigateCore(e,document.location.hash.substring(2));else{var r=t.getAttribute("data-dotvvm-spacontentplaceholder-defaultroute");if(r)r="#!/"+r,r=this.fixSpaUrlPrefix(r),this.performRedirect(r,n);else if(n)this.isSpaReady(!0),t.style.display="";else{var o=(r=document.location.toString()).indexOf("/","https://".length);r=0<o?r.substring(o):"/",this.navigateCore(e,r)}}},e.prototype.persistViewModel=function(e){var t=this.viewModels[e];if(this.useHistoryApiViewModel){var n=history.state?history.state:{},r=n.dotvvm_viewmodels?n.dotvvm_viewmodels:{},o=__assign({dotvvm_viewmodels:__assign((i={},i[e]=ko.toJS(t),i),r)},n);history.replaceState(o,document.title)}var i,a={};for(var s in t)t.hasOwnProperty(s)&&(a[s]=t[s]);a.viewModel=this.serialization.serialize(a.viewModel,{serializeAll:!0}),document.getElementById("__dot_viewmodel_"+e).value=JSON.stringify(a)},e.prototype.backUpPostBackConter=function(){return++this.postBackCounter},e.prototype.isPostBackStillActive=function(e){return this.postBackCounter===e},e.prototype.staticCommandPostback=function(t,n,e,r,o,i){var a=this;void 0===o&&(o=function(e){}),void 0===i&&(i=function(e,t){});var s=this.serialization.serialize({args:r,command:e,$csrfToken:this.viewModels[t].viewModel.$csrfToken});dotvvm.events.staticCommandMethodInvoking.trigger(s),this.postJSON(this.viewModels[t].url,"POST",ko.toJSON(s),function(t){try{a.isViewModelUpdating=!0;var e=JSON.parse(t.responseText);dotvvm.events.staticCommandMethodInvoked.trigger(__assign({},s,{result:e,xhr:t})),o(e)}catch(e){dotvvm.events.staticCommandMethodFailed.trigger(__assign({},s,{xhr:t,error:e})),i(t,e)}finally{a.isViewModelUpdating=!1}},function(e){a.events.error.trigger(new DotvvmErrorEventArgs(n,a.viewModels[t].viewModel,t,e,null)),console.warn("StaticCommand postback failed: "+e.status+" - "+e.statusText,e),i(e),dotvvm.events.staticCommandMethodFailed.trigger(__assign({},s,{xhr:e}))},function(e){e.setRequestHeader("X-PostbackType","StaticCommand")})},e.prototype.processPassedId=function(e,t){if("string"==typeof e||null==e)return e;if("object"==typeof e&&e.expr)return this.evaluator.evaluateOnViewModel(t,e.expr);throw new Error("invalid argument")},e.prototype.getPostbackHandler=function(e){var t=this.postbackHandlers[e];if(t)return t;throw new Error("Could not find postback handler of name '"+e+"'")},e.prototype.isPostbackHandler=function(e){return e&&"function"==typeof e.execute},e.prototype.findPostbackHandlers=function(r,e){function o(e,t){return!1===t.enabled?null:i.getPostbackHandler(e)(t)}var i=this;return e.map(function(e){return"string"==typeof e?o(e,{}):i.isPostbackHandler(e)?e:e instanceof Array?(t=e[0],n=e[1],o(t,"function"==typeof n?n(r,r.$data):n)):o(e.name,e.options&&e.options(r));var t,n}).filter(function(e){return null!=e})},e.prototype.sortHandlers=function(o){for(var n=function(){for(var t={},e=0,n=o;e<n.length;e++){var r=n[e];null!=r.name&&(t[r.name]=r)}return function(e){return"string"==typeof e?t[e]:e}}(),a=o.map(function(e,t){return e["@sort_index"]=t,{handler:e,deps:(e.after||[]).map(n)}}),e=0,t=o;e<t.length;e++){var r=t[e];if(r.before)for(var i=0,s=r.before.map(n);i<s.length;i++){var l=s[i];if(l){var d=l["@sort_index"];a[d].deps.push(r)}}}for(var u=[],v=new Uint8Array(a.length),c=function(e){switch(v[e]){case 0:break;case 1:throw new Error("Cyclic PostbackHandler dependency found.");case 2:return;default:throw new Error("")}if(1!=v[e]){v[e]=1;for(var t=a[e],n=t.handler,r=0,o=t.deps;r<o.length;r++){var i=o[r];c(i["@sort_index"])}v[e]=2,u.push(n)}},p=0;p<a.length;p++)c(p);return u},e.prototype.applyPostbackHandlersCore=function(e,r,t){function n(e){return"function"==typeof e?e:function(){return Promise.resolve(new DotvvmAfterPostBackEventArgs(r,null,e))}}return null==t||0===t.length?e(r).then(n,function(e){return Promise.reject(e)}):this.sortHandlers(t).reduceRight(function(e,t,n){return function(){return t.execute(e,r)}},function(){return e(r).then(n,function(e){return Promise.reject(e)})})()},e.prototype.applyPostbackHandlers=function(e,t,n,r,o,i,a){void 0===r&&(r=[]),void 0===o&&(o=ko.contextFor(t)),void 0===i&&(i=o.$root);var s=new PostbackOptions(this.backUpPostBackConter(),t,r,i,a),l=this.applyPostbackHandlersCore(e,s,this.findPostbackHandlers(o,this.globalPostbackHandlers.concat(n||[]).concat(this.globalLaterPostbackHandlers))).then(function(e){return e()},function(e){return Promise.reject(e)});return l.catch(function(e){e&&console.log("Rejected: "+e)}),l},e.prototype.postbackCore=function(v,r,o,i,a,s){var c=this;return new Promise(function(e,t){var d=v.viewModelName,u=c.viewModels[d].viewModel;c.lastStartedPostack=v.postbackId,c.updateDynamicPathFragments(a,r);var n={viewModel:c.serialization.serialize(u,{pathMatcher:function(e){return a&&e==a.$data}}),currentPath:r,command:o,controlUniqueId:c.processPassedId(i,a),additionalData:v.additionalPostbackData,renderedResources:c.viewModels[d].renderedResources,commandArgs:s};c.postJSON(c.viewModels[d].url,"POST",ko.toJSON(n),function(l){dotvvm.events.postbackResponseReceived.trigger({}),e(function(){return new Promise(function(i,a){dotvvm.events.postbackCommitInvoked.trigger({});var e=l.getResponseHeader("Location"),s=null!=e&&0<e.length?{action:"redirect",url:e}:JSON.parse(l.responseText);!s.viewModel&&s.viewModelDiff&&(s.viewModel=c.patch(n.viewModel,s.viewModelDiff)),c.loadResourceList(s.resources,function(){var e=!1;if("successfulCommand"===s.action){try{c.isViewModelUpdating=!0;var t=c.cleanUpdatedControls(s);s.viewModel&&(ko.delaySync.pause(),c.serialization.deserialize(s.viewModel,c.viewModels[d].viewModel),ko.delaySync.resume()),e=!0,c.cleanUpdatedControls(s,t),c.restoreUpdatedControls(s,t,!0)}finally{c.isViewModelUpdating=!1}dotvvm.events.postbackViewModelUpdated.trigger({})}else if("redirect"===s.action)return c.handleRedirect(s,d),i();var n=s.resultIdFragment;if(n)if(c.getSpaPlaceHolder()||location.hash=="#"+n){var r=document.getElementById(n);r&&"function"==typeof r.scrollIntoView&&r.scrollIntoView(!0)}else location.hash=n;if(e){var o=new DotvvmAfterPostBackEventArgs(v,s,s.commandResult,l);i(o)}else a(new DotvvmErrorEventArgs(v.sender,u,d,l,v.postbackId,s))})})})},function(e){t({type:"network",options:v,args:new DotvvmErrorEventArgs(v.sender,u,d,e,v.postbackId)})})})},e.prototype.handleSpaNavigation=function(e){return"_blank"==e.getAttribute("target")||this.handleSpaNavigationCore(e.getAttribute("href"))},e.prototype.handleSpaNavigationCore=function(e){var t=this;if(e&&0===e.indexOf("/")){return e=this.removeVirtualDirectoryFromUrl(e,"root"),this.navigateCore("root",e,function(e){history.state&&history.state.url==e||t.spaHistory.pushPage(e)}),!1}return!0},e.prototype.postBack=function(e,t,n,r,o,i,a,s){var l=this;i=i||ko.contextFor(t);var d=this.findPostbackHandlers(i,this.globalPostbackHandlers.concat(a||[]).concat(this.globalLaterPostbackHandlers));0==d.filter(function(e){return e.name&&0==e.name.indexOf("concurrency-")}).length&&d.push(this.defaultConcurrencyPostbackHandler);var u=new PostbackOptions(this.backUpPostBackConter(),t,s,i.$data,e),v=this.applyPostbackHandlersCore(function(e){return l.postbackCore(e,n,r,o,i,s)},u,d).then(function(e){return e().then(function(e){return e},function(e){return Promise.reject({type:"commit",args:e})})},function(e){return Promise.reject(e)});return v.then(function(e){return e&&l.events.afterPostback.trigger(e)},function(e){var t=new DotvvmAfterPostBackEventArgs(u,"commit"==e.type&&e.args?e.args.serverResponseObject:null,u.postbackId);"handler"==e.type||"event"==e.type?(t.wasInterrupted=!0,l.events.postbackRejected.trigger({})):"network"==e.type&&l.events.error.trigger(e.args),l.events.afterPostback.trigger(t)}),v},e.prototype.loadResourceList=function(e,t){var n="";for(var r in e){if(!/^__noname_\d+$/.test(r)){if(this.resourceSigns[r])continue;this.resourceSigns[r]=!0}n+=e[r]+" "}if(""!==n.trim()){var o=document.createElement("div");o.innerHTML=n;for(var i=[],a=0;a<o.children.length;a++)i.push(o.children.item(a));this.loadResourceElements(i,0,t)}else setTimeout(t,4)},e.prototype.loadResourceElements=function(e,t,n){var r=this;if(t>=e.length)n();else{var o=e[t],i=!1;if("script"==o.tagName.toLowerCase()){var a=document.createElement("script");o.src&&(a.src=o.src,i=!0),o.type&&(a.type=o.type),o.text&&(a.text=o.text),o=a}else if("link"==o.tagName.toLowerCase()){var s=document.createElement("link");o.href&&(s.href=o.href),o.rel&&(s.rel=o.rel),o.type&&(s.type=o.type),o=s}i&&(o.onload=function(){return r.loadResourceElements(e,t+1,n)}),document.head.appendChild(o),i||this.loadResourceElements(e,t+1,n)}},e.prototype.getSpaPlaceHolder=function(){var e=document.getElementsByName("__dot_SpaContentPlaceHolder");return 1==e.length?e[0]:null},e.prototype.navigateCore=function(a,e,t){var s=this,n=this.viewModels[a].viewModel,r=this.backUpPostBackConter(),o=new DotvvmSpaNavigatingEventArgs(n,a,e);if(this.events.spaNavigating.trigger(o),!o.cancel){var i=this.viewModels[a].virtualDirectory||"",l="/___dotvvm-spa___"+this.addLeadingSlash(e),d=this.addLeadingSlash(this.concatUrl(i,l)),u=this.getSpaPlaceHolder();if(u){t&&t(this.addLeadingSlash(this.concatUrl(i,this.addLeadingSlash(e))));var v=u.attributes["data-dotvvm-spacontentplaceholder"].value;this.getJSON(d,"GET",v,function(o){if(s.isPostBackStillActive(r)){var i=JSON.parse(o.responseText);s.loadResourceList(i.resources,function(){var e=!1;if("successfulCommand"!==i.action&&i.action){if("redirect"===i.action)return void s.handleRedirect(i,a,!0)}else try{s.isViewModelUpdating=!0;var t=s.cleanUpdatedControls(i);for(var n in s.viewModels[a]={},i)i.hasOwnProperty(n)&&(s.viewModels[a][n]=i[n]);ko.delaySync.pause(),s.serialization.deserialize(i.viewModel,s.viewModels[a].viewModel),ko.delaySync.resume(),e=!0,s.viewModelObservables[a](s.viewModels[a].viewModel),s.restoreUpdatedControls(i,t,!0),s.isSpaReady(!0)}finally{s.isViewModelUpdating=!1}var r=new DotvvmSpaNavigatedEventArgs(s.viewModels[a].viewModel,a,i,o);if(s.events.spaNavigated.trigger(r),!e&&!r.isHandled)throw"Invalid response from server!"})}},function(e){if(s.isPostBackStillActive(r)){var t=new DotvvmErrorEventArgs(void 0,n,a,e,-1,void 0,!0);s.events.error.trigger(t),t.handled||alert(e.responseText)}})}else document.location.href=d}},e.prototype.handleRedirect=function(e,t,n){var r;void 0===n&&(n=!1),null!=e.replace&&(n=e.replace),r=this.getSpaPlaceHolder()&&!this.useHistoryApiSpaNavigation&&e.url.indexOf("//")<0&&e.allowSpa?("#!"===(r="#!"+this.removeVirtualDirectoryFromUrl(e.url,t))&&(r="#!/"),this.fixSpaUrlPrefix(r)):e.url;var o=new DotvvmRedirectEventArgs(dotvvm.viewModels[t],t,r,n);this.events.redirect.trigger(o),this.performRedirect(r,n,e.allowSpa&&this.useHistoryApiSpaNavigation)},e.prototype.performRedirect=function(e,t,n){if(t)location.replace(e);else if(n)this.handleSpaNavigationCore(e);else{var r=this.fakeRedirectAnchor;r||((r=document.createElement("a")).style.display="none",r.setAttribute("data-dotvvm-fake-id","dotvvm_fake_redirect_anchor_87D7145D_8EA8_47BA_9941_82B75EE88CDB"),document.body.appendChild(r),this.fakeRedirectAnchor=r),r.href=e,r.click()}},e.prototype.fixSpaUrlPrefix=function(e){var t=this.getSpaPlaceHolder().attributes["data-dotvvm-spacontentplaceholder-urlprefix"];if(!t)return e;var n=t.value;return n!==document.location.pathname&&(""===n&&(n="/"),e=n+e),e},e.prototype.removeVirtualDirectoryFromUrl=function(e,t){var n="/"+this.viewModels[t].virtualDirectory;return 0==e.indexOf(n)?this.addLeadingSlash(e.substring(n.length)):e},e.prototype.addLeadingSlash=function(e){return 0<e.length&&"/"!=e.substring(0,1)?"/"+e:e},e.prototype.concatUrl=function(e,t){return 0<e.length&&"/"==e.substring(e.length-1)&&(e=e.substring(0,e.length-1)),e+this.addLeadingSlash(t)},e.prototype.patch=function(n,e){var r=this;if(n instanceof Array&&e instanceof Array)return e.map(function(e,t){return r.patch(n[t],e)});if(n instanceof Array||e instanceof Array)return e;if("object"!=typeof n||"object"!=typeof e||!n||!e)return e;for(var t in e)null==e[t]?n[t]=null:null==n[t]?n[t]=e[t]:n[t]=this.patch(n[t],e[t]);return n},e.prototype.updateDynamicPathFragments=function(e,t){for(var n=t.length-1;0<=n;n--)0<=t[n].indexOf("[$index]")&&(t[n]=t[n].replace("[$index]","["+e.$index()+"]")),0<=t[n].indexOf("[$indexPath]")&&(t[n]=t[n].replace("[$indexPath]","["+e.$indexPath.map(function(e){return e()}).join("]/[")+"]")),e=e.$parentContext},e.prototype.postJSON=function(e,t,n,r,o,i){void 0===i&&(i=function(e){});var a=this.getXHR();a.open(t,e,!0),a.setRequestHeader("Content-Type","application/json"),a.setRequestHeader("X-DotVVM-PostBack","true"),a.setRequestHeader("X-Requested-With","XMLHttpRequest"),i(a),a.onreadystatechange=function(){a.readyState===XMLHttpRequest.DONE&&(a.status<400?r(a):o(a))},a.send(n)},e.prototype.getJSON=function(e,t,n,r,o){var i=this.getXHR();i.open(t,e,!0),i.setRequestHeader("Content-Type","application/json"),i.setRequestHeader("X-DotVVM-SpaContentPlaceHolder",n),i.onreadystatechange=function(){i.readyState===XMLHttpRequest.DONE&&(i.status<400?r(i):o(i))},i.send()},e.prototype.getXHR=function(){return XMLHttpRequest?new XMLHttpRequest:new window.ActiveXObject("Microsoft.XMLHTTP")},e.prototype.cleanUpdatedControls=function(e,t){for(var n in void 0===t&&(t={}),e.updatedControls)if(e.updatedControls.hasOwnProperty(n)){var r=document.getElementByDotvvmId(n);if(r){var o=ko.contextFor(r),i=r.nextSibling,a=r.parentNode;ko.removeNode(r),t[n]={control:r,nextSibling:i,parent:a,dataContext:o}}}return t},e.prototype.restoreUpdatedControls=function(n,r,e){var o=this;for(var t in n.updatedControls)if(n.updatedControls.hasOwnProperty(t)){var i=r[t];if(i){var a=document.createElement(r[t].parent.tagName||"div");if(a.innerHTML=n.updatedControls[t],1<a.childElementCount)throw new Error("Postback.Update control can not render more than one element");var s=a.firstElementChild;if(null==s.id)throw new Error("Postback.Update control always has to render id attribute.");s.id!==r[t].control.id&&console.log("Postback.Update control changed id from '"+r[t].control.id+"' to '"+s.id+"'"),a.removeChild(s),i.nextSibling?i.parent.insertBefore(s,i.nextSibling):i.parent.appendChild(s)}}e&&window.setTimeout(function(){try{for(var e in o.isViewModelUpdating=!0,n.updatedControls){var t=document.getElementByDotvvmId(e);t&&ko.applyBindings(r[e].dataContext,t)}}finally{o.isViewModelUpdating=!1}},0)},e.prototype.unwrapArrayExtension=function(e){return ko.unwrap(ko.unwrap(e))},e.prototype.buildRouteUrl=function(e,a){var t=(e="/"+e).replace(/(\/[^\/]*?)\{([^\}]+?)\??(:(.+?))?\}/g,function(e,t,n,r,o){if(!n)return"";var i=ko.unwrap(a[n.toLowerCase()]);return null==i?"":t+i});return 0===t.indexOf("/")?t.substring(1):t},e.prototype.buildUrlSuffix=function(e,t){var n,r;for(var o in r=-1!==e.indexOf("#")?(n=e.substring(0,e.indexOf("#")),e.substring(e.indexOf("#"))):(n=e,""),t)if(t.hasOwnProperty(o)){if(!o)continue;var i=ko.unwrap(t[o]);if(null==i)continue;n=n.concat(-1!==n.indexOf("?")?"&"+o+"="+i:"?"+o+"="+i)}return n.concat(r)},e.prototype.isPostBackProhibited=function(e){return!!(e&&e.tagName&&-1<["a","input","button"].indexOf(e.tagName.toLowerCase())&&e.getAttribute("disabled"))},e.prototype.addKnockoutBindingHandlers=function(){function v(n,r){void 0===r&&(r=null);var e=ko.pureComputed({read:function(){var e=n();return ko.unwrap(e)},write:function(e){var t=n();ko.isObservable(t)?t(e):console.warn("Attempted to write to readonly property"+(null==r?"":" "+r)+".")}});return e.wrappedProperty=n,e}ko.virtualElements.allowedBindings.dotvvm_withControlProperties=!0,ko.bindingHandlers.dotvvm_withControlProperties={init:function(e,t,n,r,o){if(!o)throw new Error;var i=t();for(var a in i)i[a]=v(function(){var e=t()[this.prop];return ko.isObservable(e)?e:dotvvm.serialization.deserialize(e)}.bind({prop:a}),"'"+a+"' at '"+t.toString()+"'");var s=o.extend({$control:i});return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}},update:function(e,t,n,r,o){}},ko.virtualElements.allowedBindings.dotvvm_introduceAlias=!0,ko.bindingHandlers.dotvvm_introduceAlias={init:function(e,t,n,r,o){if(!o)throw new Error;var i=t(),a={};for(var s in i){for(var l=s.split("."),d=a;0<l.length-1;0)d=a[l[0]]||(a[l[0]]={});d[l[l.length-1]]=v(function(){return t()[this.prop]}.bind({prop:s}),"'"+s+"' at '"+t.toString()+"'")}var u=o.extend(a);return e.innerBindingContext=u,ko.applyBindingsToDescendants(u,e),{controlsDescendantBindings:!0}}};var l="$foreachCollectionSymbol";ko.virtualElements.allowedBindings["dotvvm-SSR-foreach"]=!0,ko.bindingHandlers["dotvvm-SSR-foreach"]={init:function(e,t,n,r,o){if(!o)throw new Error;var i,a=t(),s=o.extend(((i={})[l]=a.data,i));return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}}},ko.virtualElements.allowedBindings["dotvvm-SSR-item"]=!0,ko.bindingHandlers["dotvvm-SSR-item"]={init:function(e,t,n,r,o){if(!o)throw new Error;var i=t(),a=o[l],s=o.createChildContext(function(){return ko.unwrap((ko.unwrap(a)||[])[i])}).extend({$index:ko.pureComputed(function(){return i})});return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}}},ko.virtualElements.allowedBindings.withGridViewDataSet=!0,ko.bindingHandlers.withGridViewDataSet={init:function(e,t,n,r,o){if(!o)throw new Error;var i,a=t(),s=o.extend(((i={$gridViewDataSet:a})[l]=dotvvm.evaluator.getDataSourceItems(a),i));return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}},update:function(e,t,n,r,o){}},ko.bindingHandlers.dotvvmEnable={update:function(e,t){var n=ko.utils.unwrapObservable(t());n&&e.disabled?(e.disabled=!1,e.removeAttribute("disabled")):n||e.disabled||(e.disabled=!0,e.setAttribute("disabled","disabled"))}},ko.bindingHandlers["dotvvm-checkbox-updateAfterPostback"]={init:function(e,t,r,n,o){dotvvm.events.afterPostback.subscribe(function(e){var t=r();if(t["dotvvm-checked-pointer"]){var n=t[t["dotvvm-checked-pointer"]];ko.isObservable(n)&&(n.valueHasMutated?n.valueHasMutated():n.notifySubscribers())}})}},ko.bindingHandlers["dotvvm-checked-pointer"]={init:function(e,t,n,r,o){}},ko.bindingHandlers["dotvvm-UpdateProgress-Visible"]={init:function(t,e,n,r,o){t.style.display="none";var i,a=t.getAttribute("data-delay"),s=!1;dotvvm.isPostbackRunning.subscribe(function(e){e?s||(s=!0,null==a?t.style.display="":i=setTimeout(function(e){t.style.display=""},a)):(s=!1,clearTimeout(i),t.style.display="none")})}},ko.bindingHandlers["dotvvm-table-columnvisible"]={init:function(e,t,n,r,o){var i="",a=!0;if(e instanceof HTMLTableCellElement){for(var s=e;!(s instanceof HTMLTableElement);)s=s.parentElement;var l=s.rows.item(0);if(!l)throw Error("Table with dotvvm-table-columnvisible binding handler must not be empty.");var d=[].slice.call(l.cells).indexOf(e);e.dotvvmChangeVisibility=function(e,t,n){if(a!=n){a=n;for(var r=0;r<e.rows.length;r++){var o=e.rows.item(r).cells[t].style;n?o.display=i:(i=o.display||"",o.display="none")}}}.bind(null,s,d)}},update:function(e,t){e.dotvvmChangeVisibility(ko.unwrap(t()))}},ko.bindingHandlers["dotvvm-textbox-text"]={init:function(r,e,t,n,o){var i=e(),a=(t.get("valueUpdate"),new DotvvmValidationElementMetadata);a.element=r,a.dataType=(r.attributes["data-dotvvm-value-type"]||{value:""}).value,a.format=(r.attributes["data-dotvvm-format"]||{value:""}).value;var s=null;s=ko.isObservable(i)?(i.dotvvmMetadata?(i.dotvvmMetadata.elementsMetadata||(i.dotvvmMetadata.elementsMetadata=[]),i.dotvvmMetadata.elementsMetadata.push(a)):(i.dotvvmMetadata=new DotvvmValidationObservableMetadata,i.dotvvmMetadata.elementsMetadata=[a]),i.dotvvmMetadata.elementsMetadata):new DotvvmValidationObservableMetadata,setTimeout(function(r,o){ko.utils.domNodeDisposal.addDisposeCallback(o,function(){for(var e=0,t=r;e<t.length;e++){var n=t[e];if(n.element===o){r.splice(r.indexOf(n),1);break}}})},0,s,r),dotvvm.domUtils.attachEvent(r,"change",function(){if(ko.isObservable(i)){var e,t;if("datetime"===a.dataType){var n=i();null!=n&&(n=dotvvm.globalize.parseDotvvmDate(n)),t=null==(e=dotvvm.globalize.parseDate(r.value,a.format,n))?null:dotvvm.serialization.serializeDate(e,!1)}else t=null===(e=dotvvm.globalize.parseNumber(r.value))||isNaN(e)?null:e;null==t&&null!==r.value&&""!==r.value?(r.attributes["data-invalid-value"]=r.value,r.attributes["data-dotvvm-value-type-valid"]=!1,a.elementValidationState=!1):(r.attributes["data-invalid-value"]=null,r.attributes["data-dotvvm-value-type-valid"]=!0,a.elementValidationState=!0),i()===t?i.valueHasMutated?i.valueHasMutated():i.notifySubscribers():i(t)}})},update:function(e,t,n,r,o){var i=t(),a=(e.attributes["data-dotvvm-format"]||{value:""}).value,s=ko.unwrap(i);if(a){var l=dotvvm.globalize.formatString(a,s),d=e.attributes["data-invalid-value"];if(null==d){if(e.value=l||"",i.dotvvmMetadata&&i.dotvvmMetadata.elementsMetadata)for(var u=0,v=i.dotvvmMetadata.elementsMetadata;u<v.length;u++){var c=v[u];c.element===e&&(e.attributes["data-dotvvm-value-type-valid"]=!0,c.elementValidationState=!0)}}else e.attributes["data-invalid-value"]=null,e.value=d}else e.value=s}},ko.bindingHandlers["dotvvm-textbox-select-all-on-focus"]={init:function(e,t,n,r,o){e.$selectAllOnFocusHandler=function(){e.select()}},update:function(e,t,n,r,o){!0===ko.unwrap(t())?e.addEventListener("focus",e.$selectAllOnFocusHandler):e.removeEventListener("focus",e.$selectAllOnFocusHandler)}},ko.bindingHandlers["dotvvm-CheckState"]={init:function(e,t,n,r,o){ko.getBindingHandler("checked").init(e,t,n,r,o)},update:function(e,t,n){var r=ko.unwrap(t());e.indeterminate=null==r}}},e}(),DotvvmValidationContext=function(e,t,n){this.valueToValidate=e,this.parentViewModel=t,this.parameters=n},DotvvmValidationObservableMetadata=function(){},DotvvmValidationElementMetadata=function(){this.elementValidationState=!0},DotvvmValidatorBase=function(){function e(){}return e.prototype.isValid=function(e,t){return!1},e.prototype.isEmpty=function(e){return null==e||"string"==typeof e&&""===e.trim()},e.prototype.getValidationMetadata=function(e){return e.dotvvmMetadata},e}(),DotvvmRequiredValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate;return!this.isEmpty(t)},t}(DotvvmValidatorBase),DotvvmRegularExpressionValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate,n=e.parameters[0];return this.isEmpty(t)||new RegExp(n).test(t)},t}(DotvvmValidatorBase),DotvvmIntRangeValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate,n=e.parameters[0],r=e.parameters[1];return t%1==0&&n<=t&&t<=r},t}(DotvvmValidatorBase),DotvvmEnforceClientFormatValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e,t){var n=!0;e.parameters[0]||null!=e.valueToValidate||(n=!1),e.parameters[1]||0!==e.valueToValidate.length||(n=!1),!e.parameters[2]&&this.isEmpty(e.valueToValidate)&&(n=!1);var r=this.getValidationMetadata(t);if(r&&r.elementsMetadata)for(var o=0,i=r.elementsMetadata;o<i.length;o++){i[o].elementValidationState||(n=!1)}return n},t}(DotvvmValidatorBase),DotvvmRangeValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e,t){var n=e.valueToValidate,r=e.parameters[0],o=e.parameters[1];return r<=n&&n<=o},t}(DotvvmValidatorBase),DotvvmNotNullValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){return null!==e.valueToValidate&&void 0!==e.valueToValidate},t}(DotvvmValidatorBase),DotvvmEmailAddressValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate;if(null==t)return!0;if("string"!=typeof t)return!1;for(var n=!1,r=0;r<t.length;r++)if("@"==t[r]){if(n||0==r||r==t.length-1)return!1;n=!0}return n},t}(DotvvmValidatorBase),ValidationError=function(){function e(e,t){this.validatedObservable=e,this.errorMessage=t}return e.getOrCreate=function(e){if(e.wrappedProperty){var t=e.wrappedProperty();ko.isObservable(t)&&(e=t)}return e.validationErrors||(e.validationErrors=ko.observableArray()),e.validationErrors},e.isValid=function(e){return!e.validationErrors||0===e.validationErrors().length},e.prototype.clear=function(e){this.validatedObservable.validationErrors.remove(this),e.errors.remove(this)},e}(),DotvvmValidation=function(){function e(i){var d=this;this.rules={required:new DotvvmRequiredValidator,regularExpression:new DotvvmRegularExpressionValidator,intrange:new DotvvmIntRangeValidator,range:new DotvvmRangeValidator,emailAddress:new DotvvmEmailAddressValidator,notnull:new DotvvmNotNullValidator,enforceClientFormat:new DotvvmEnforceClientFormatValidator},this.errors=ko.observableArray([]),this.events={validationErrorsChanged:new DotvvmEvent("dotvvm.validation.events.validationErrorsChanged")},this.elementUpdateFunctions={hideWhenValid:function(e,t,n){0<t.length?e.style.display="":e.style.display="none"},invalidCssClass:function(e,t,n){if(0<t.length)e.className+=" "+n;else{var r=n.split(" ");e.className=e.className.split(" ").filter(function(e){return r.indexOf(e)<0}).join(" ")}},setToolTipText:function(e,t,n){0<t.length?e.title=t.join(", "):e.title=""},showErrorMessageText:function(e,t,n){e[e.innerText?"innerText":"textContent"]=t.join(", ")}};function t(o){return{execute:function(e,t){if(o){t.additionalPostbackData.validationTargetPath=o;var n=ko.contextFor(t.sender),r=i.evaluator.evaluateOnViewModel(n,o);if(d.errors([]),d.clearValidationErrors(i.viewModelObservables[t.viewModelName||"root"]),d.validateViewModel(r),0<d.errors().length)return console.log("Validation failed: postback aborted; errors: ",d.errors()),Promise.reject({type:"handler",handler:d,message:"Validation failed"});d.events.validationErrorsChanged.trigger({viewModel:t.viewModel})}return e()}}}i.postbackHandlers.validate=function(e){return t(e.path)},i.postbackHandlers["validate-root"]=function(){return t("dotvvm.viewModelObservables['root']")},i.postbackHandlers["validate-this"]=function(){return t("$data")},i.events.afterPostback.subscribe(function(e){!e.wasInterrupted&&e.serverResponseObject&&("successfulCommand"===e.serverResponseObject.action?(d.mergeValidationRules(e),e.isHandled=!0):"validationErrors"===e.serverResponseObject.action&&(d.showValidationErrorsFromServer(e),e.isHandled=!0)),d.events.validationErrorsChanged.trigger(e)}),i.events.spaNavigating.subscribe(function(e){d.clearValidationErrors(i.viewModelObservables[e.viewModelName])}),ko.bindingHandlers.dotvvmValidation={init:function(t,e,n,r,o){var i=e();if(ko.isObservable(i)){function a(e,t){for(var n in s)s.hasOwnProperty(n)&&d.elementUpdateFunctions[n](e,t.map(function(e){return e.errorMessage}),s[n])}var s=n.get("dotvvmValidationOptions"),l=ValidationError.getOrCreate(i);l.subscribe(function(e){return a(t,e)}),a(t,l())}}}}return e.prototype.validateViewModel=function(e){if(ko.isObservable(e)&&(e=ko.unwrap(e)),e){var t=ko.unwrap(e.$type),n=(dotvvm.viewModels.root.validationRules||{})[t]||{};for(var r in e)if(e.hasOwnProperty(r)&&0!==r.indexOf("$")){var o=e[r];if(o&&ko.isObservable(o)){var i=e[r]();n.hasOwnProperty(r)&&this.validateProperty(e,o,i,n[r]);var a=e[r+"$options"];if(a&&a.type&&ValidationError.isValid(o)&&!dotvvm.serialization.validateType(i,a.type)){var s=new ValidationError(o,"The value of property "+r+" ("+i+") is invalid value for type "+a.type+".");this.addValidationError(o,s)}if(i)if(Array.isArray(i))for(var l=0,d=i;l<d.length;l++){var u=d[l];this.validateViewModel(u)}else i&&i instanceof Object&&this.validateViewModel(i)}}}},e.prototype.validateProperty=function(e,t,n,r){for(var o=0,i=r;o<i.length;o++){var a=i[o],s=this.rules[a.ruleName],l=new DotvvmValidationContext(n,e,a.parameters);if(!s.isValid(l,t)){ValidationError.getOrCreate(t);var d=new ValidationError(t,a.errorMessage);this.addValidationError(t,d)}}},e.prototype.mergeValidationRules=function(e){if(e.serverResponseObject.validationRules){var t=dotvvm.viewModels[e.viewModelName].validationRules;for(var n in void 0===t&&(dotvvm.viewModels[e.viewModelName].validationRules={},t=dotvvm.viewModels[e.viewModelName].validationRules),e.serverResponseObject.validationRules)e.serverResponseObject.validationRules.hasOwnProperty(n)&&(t[n]=e.serverResponseObject.validationRules[n])}},e.prototype.clearValidationErrors=function(e){if(e&&ko.isObservable(e)){if(e.validationErrors)for(var t=0,n=e.validationErrors();t<n.length;t++){n[t].clear(this)}var r=e();if(r){if(Array.isArray(r))for(var o=0,i=r;o<i.length;o++){var a=i[o];this.clearValidationErrors(a)}for(var s in r)if(r.hasOwnProperty(s)&&0!==s.indexOf("$")){var l=r[s];this.clearValidationErrors(l)}}}},e.prototype.getValidationErrors=function(e,t,n,r){if(void 0===r&&(r=!0),!e)return[];var o=[];if(n&&(o=o.concat(ValidationError.getOrCreate(e)())),r){var i=ko.unwrap(e);if(Array.isArray(i))for(var a=0,s=i;a<s.length;a++){var l=s[a];o=o.concat(this.getValidationErrors(l,t,!0,t))}else for(var d in i)if(i.hasOwnProperty(d)&&0!==d.indexOf("$")){var u=i[d];u&&ko.isObservable(u)&&(o=o.concat(this.getValidationErrors(u,t,!0,t)))}}return o},e.prototype.showValidationErrorsFromServer=function(e){var t=ko.contextFor(e.sender),n=dotvvm.evaluator.evaluateOnViewModel(t,e.postbackOptions.additionalPostbackData.validationTargetPath);if(n){this.clearValidationErrors(dotvvm.viewModelObservables[e.viewModelName]);for(var r=e.serverResponseObject.modelState,o=0;o<r.length;o++){var i,a=r[o].propertyPath;i=a?(ko.isObservable(n)&&(n=ko.unwrap(n)),dotvvm.evaluator.evaluateOnViewModel(n,a)):n;var s=new ValidationError(i,r[o].errorMessage);this.addValidationError(i,s)}}},e.prototype.addValidationError=function(e,t){ValidationError.getOrCreate(e).indexOf(t)<0&&(e.validationErrors.push(t),this.errors.push(t))},e}(),DotvvmEvaluator=function(){function DotvvmEvaluator(){}return DotvvmEvaluator.prototype.evaluateOnViewModel=function(context,expression){var result;return result=context&&context.$data?eval("(function ($context) { with($context) { with ($data) { return "+expression+"; } } })")(context):eval("(function ($context) { var $data=$context; with($context) { return "+expression+"; } })")(context),result&&result.$data&&(result=result.$data),result},DotvvmEvaluator.prototype.evaluateOnContext=function(e,t){var n=!1;for(var r in e)if(0===t.indexOf(r)){n=!0;break}return n||(t="$data."+t),this.evaluateOnViewModel(e,t)},DotvvmEvaluator.prototype.getDataSourceItems=function(e){var t=ko.unwrap(e);return void 0===t||null==t?[]:ko.unwrap(t.Items||t)},DotvvmEvaluator.prototype.tryEval=function(e){try{return e()}catch(e){return null}},DotvvmEvaluator.prototype.isObservableArray=function(e){return ko.isComputed(e)?Array.isArray(e.peek()):!!ko.isObservable(e)&&"push"in e},DotvvmEvaluator.prototype.wrapObservable=function(n,e){var r=this,t=ko.pureComputed({read:function(){return ko.unwrap(r.getExpressionResult(n))},write:function(e){return r.updateObservable(n,e)}});return e&&(t.push=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"push",e)},t.pop=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"pop",e)},t.unshift=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"unshift",e)},t.shift=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"shift",e)},t.reverse=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"reverse",e)},t.sort=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"sort",e)},t.splice=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"splice",e)},t.slice=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"slice",e)},t.replace=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"replace",e)},t.indexOf=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"indexOf",e)},t.remove=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"remove",e)},t.removeAll=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"removeAll",e)},t=t.extend({trackArrayChanges:!0})),t.extend({notify:"always"})},DotvvmEvaluator.prototype.updateObservable=function(e,t){var n=this.getExpressionResult(e);ko.isWriteableObservable(n)?n(t):console.error("Cannot write a value to ko.computed because the expression '"+e+"' does not return a writable observable.")},DotvvmEvaluator.prototype.updateObservableArray=function(e,t,n){var r=this.getExpressionResult(e);this.isObservableArray(r)?r[t].apply(r,n):console.error("Cannot execute '"+t+"' function on ko.computed because the expression '"+e+"' does not return an observable array.")},DotvvmEvaluator.prototype.getExpressionResult=function(e){var t=e();return ko.isComputed(t)&&"wrappedProperty"in t&&(t=t.wrappedProperty()),t},DotvvmEvaluator}(),DotvvmEventHub=function(){function e(){this.map={}}return e.prototype.notify=function(e){e in this.map?this.map[e].notifySubscribers():this.map[e]=ko.observable(0)},e.prototype.get=function(e){return this.map[e]||(this.map[e]=ko.observable(0))},e}();function basicAuthenticatedFetch(t,n){var r=sessionStorage.getItem("someAuth");return null!=r&&(null==n&&(n={}),null==n.headers&&(n.headers={}),null==n.headers.Authorization&&(n.headers.Authorization="Basic "+btoa(r))),null==n&&(n={}),n.cache||(n.cache="no-cache"),window.fetch(t,n).then(function(e){return 401===e.status&&null==r?(null==sessionStorage.getItem("someAuth")&&function(){var e=prompt("You credentials for "+(t.url||t))||"";sessionStorage.setItem("someAuth",e)}(),basicAuthenticatedFetch(t,n)):e})}!function(){var a={};DotVVM.prototype.invokeApiFn=function(n,e,o,t){void 0===e&&(e=[]),void 0===o&&(o=[]),void 0===t&&(t=n.toString());var i=a[t]||(a[t]=ko.observable(null)),r=ko.pureComputed(function(){return i()});return r.refreshValue=function(e){var t=i.promise;if(i.isLoading||(i.isLoading=!0,t=function(){try{return{type:"result",result:window.Promise.resolve(ko.ignoreDependencies(n)).then(function(e){e&&(i(ko.unwrap(dotvvm.serialization.deserialize(e,i))),i.notifySubscribers());for(var t=0,n=o;t<n.length;t++){var r=n[t];dotvvm.eventHub.notify(r)}return e},console.warn)}}catch(e){return console.warn(e),{type:"error",error:e}}}(),i.promise=t),"error"!=t.type)return t.result.then(function(e){return i.isLoading=!1},function(e){return i.isLoading=!1}),t.result;if(i.isLoading=!1,e)throw t.error},i.peek()||r.refreshValue(),ko.computed(function(){return e.map(function(e){return"string"==typeof e?dotvvm.eventHub.get(e)():e()})}).subscribe(function(e){return r.refreshValue()}),r},DotVVM.prototype.apiRefreshOn=function(e,t){return"function"!=typeof e.refreshValue&&console.error("The object is not refreshable"),t.subscribe(function(){"function"!=typeof e.refreshValue&&console.error("The object is not refreshable"),e.refreshValue&&e.refreshValue()}),e},DotVVM.prototype.api={},DotVVM.prototype.eventHub=new DotvvmEventHub}();
\ No newline at end of file
+var __assign=this&&this.__assign||function(){return(__assign=Object.assign||function(e){for(var t,n=1,r=arguments.length;n<r;n++)for(var o in t=arguments[n])Object.prototype.hasOwnProperty.call(t,o)&&(e[o]=t[o]);return e}).apply(this,arguments)},__extends=this&&this.__extends||function(){var r=function(e,t){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n])})(e,t)};return function(e,t){function n(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(n.prototype=t.prototype,new n)}}();!function(){if("undefined"==typeof Promise||!self.fetch){var e=document.createElement("script");e.src=window.dotvvm__polyfillUrl,e.type="text/javascript",document.getElementsByTagName("head")[0].appendChild(e)}}();var DotvvmDomUtils=function(){function e(){}return e.prototype.onDocumentReady=function(e){/in/.test(document.readyState)?setTimeout("dotvvm.domUtils.onDocumentReady("+e+")",9):e()},e.prototype.attachEvent=function(e,t,n,r){void 0===r&&(r=!1),e.addEventListener?e.addEventListener(t,n,r):e.attachEvent("on"+t,n)},e}(),HistoryRecord=function(e,t){this.navigationType=e,this.url=t},DotvvmSpaHistory=function(){function e(){}return e.prototype.pushPage=function(e){history.pushState(new HistoryRecord("SPA",e),"",e)},e.prototype.replacePage=function(e){history.replaceState(new HistoryRecord("SPA",e),"",e)},e.prototype.isSpaPage=function(e){return e&&"SPA"==e.navigationType},e.prototype.getHistoryRecord=function(e){return e},e}(),DotvvmEvents=function(){this.init=new DotvvmEvent("dotvvm.events.init",!0),this.beforePostback=new DotvvmEvent("dotvvm.events.beforePostback"),this.afterPostback=new DotvvmEvent("dotvvm.events.afterPostback"),this.error=new DotvvmEvent("dotvvm.events.error"),this.spaNavigating=new DotvvmEvent("dotvvm.events.spaNavigating"),this.spaNavigated=new DotvvmEvent("dotvvm.events.spaNavigated"),this.redirect=new DotvvmEvent("dotvvm.events.redirect"),this.postbackHandlersStarted=new DotvvmEvent("dotvvm.events.postbackHandlersStarted"),this.postbackHandlersCompleted=new DotvvmEvent("dotvvm.events.postbackHandlersCompleted"),this.postbackResponseReceived=new DotvvmEvent("dotvvm.events.postbackResponseReceived"),this.postbackCommitInvoked=new DotvvmEvent("dotvvm.events.postbackCommitInvoked"),this.postbackViewModelUpdated=new DotvvmEvent("dotvvm.events.postbackViewModelUpdated"),this.postbackRejected=new DotvvmEvent("dotvvm.events.postbackRejected"),this.staticCommandMethodInvoking=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoking"),this.staticCommandMethodInvoked=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoked"),this.staticCommandMethodFailed=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoked")},DotvvmEventHandler=function(e,t){this.handler=e,this.isOneTime=t},DotvvmEvent=function(){function e(e,t){void 0===t&&(t=!1),this.name=e,this.triggerMissedEventsOnSubscribe=t,this.handlers=[],this.history=[]}return e.prototype.subscribe=function(e){if(this.handlers.push(new DotvvmEventHandler(e,!1)),this.triggerMissedEventsOnSubscribe)for(var t=0;t<this.history.length;t++)e(history[t])},e.prototype.subscribeOnce=function(e){this.handlers.push(new DotvvmEventHandler(e,!0))},e.prototype.unsubscribe=function(e){for(var t=0;t<this.handlers.length;t++)if(this.handlers[t].handler===e)return void this.handlers.splice(t,1)},e.prototype.trigger=function(e){for(var t=0;t<this.handlers.length;t++)this.handlers[t].handler(e),this.handlers[t].isOneTime&&(this.handlers.splice(t,1),t--);this.triggerMissedEventsOnSubscribe&&this.history.push(e)},e}(),DotvvmErrorEventArgs=function(e,t,n,r,o,i,a){void 0===i&&(i=void 0),void 0===a&&(a=!1),this.sender=e,this.viewModel=t,this.viewModelName=n,this.xhr=r,this.postbackClientId=o,this.serverResponseObject=i,this.isSpaNavigationError=a,this.handled=!1},DotvvmBeforePostBackEventArgs=function(e,t,n,r){this.sender=e,this.viewModel=t,this.viewModelName=n,this.postbackClientId=r,this.cancel=!1,this.clientValidationFailed=!1},DotvvmAfterPostBackEventArgs=function(){function e(e,t,n,r){void 0===n&&(n=null),this.postbackOptions=e,this.serverResponseObject=t,this.commandResult=n,this.xhr=r,this.isHandled=!1,this.wasInterrupted=!1}return Object.defineProperty(e.prototype,"postbackClientId",{get:function(){return this.postbackOptions.postbackId},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"viewModelName",{get:function(){return this.postbackOptions.viewModelName},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"viewModel",{get:function(){return this.postbackOptions.viewModel},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"sender",{get:function(){return this.postbackOptions.sender},enumerable:!0,configurable:!0}),e}(),DotvvmSpaNavigatingEventArgs=function(e,t,n){this.viewModel=e,this.viewModelName=t,this.newUrl=n,this.cancel=!1},DotvvmSpaNavigatedEventArgs=function(e,t,n,r){this.viewModel=e,this.viewModelName=t,this.serverResponseObject=n,this.xhr=r,this.isHandled=!1},DotvvmRedirectEventArgs=function(e,t,n,r){this.viewModel=e,this.viewModelName=t,this.url=n,this.replace=r,this.isHandled=!1},DotvvmFileUpload=function(){function e(){}return e.prototype.showUploadDialog=function(e){var t=this.getIframe(e);this.createUploadId(e,t),this.openUploadDialog(t)},e.prototype.getIframe=function(e){return e.parentElement.previousSibling},e.prototype.openUploadDialog=function(e){var t=e.contentWindow;t&&t.document.getElementById("upload").click()},e.prototype.createUploadId=function(e,t){t=t||this.getIframe(e);var n="DotVVM_upl"+(new Date).getTime().toString();e.parentElement.parentElement.setAttribute("data-dotvvm-upload-id",n),t.setAttribute("data-dotvvm-upload-id",n)},e.prototype.reportProgress=function(e,t,n,r){var o=document.querySelector("div[data-dotvvm-upload-id='"+e.value+"']"),i=ko.dataFor(o.firstChild);if("string"==typeof r)i.Error(r);else{i.Error("");for(var a=0;a<r.length;a++)i.Files.push(dotvvm.serialization.wrapObservable(dotvvm.serialization.deserialize(r[a])));(o.attributes["data-dotvvm-upload-completed"]||{value:null}).value&&new Function(o.attributes["data-dotvvm-upload-completed"].value).call(o)}i.Progress(n),i.IsBusy(t)},e}(),DotvvmFileUploadCollection=function(){this.Files=ko.observableArray(),this.Progress=ko.observable(0),this.Error=ko.observable(),this.IsBusy=ko.observable()},DotvvmFileUploadData=function(){this.FileId=ko.observable(),this.FileName=ko.observable(),this.FileSize=ko.observable(),this.IsFileTypeAllowed=ko.observable(),this.IsMaxSizeExceeded=ko.observable(),this.IsAllowed=ko.observable()},DotvvmFileSize=function(){this.Bytes=ko.observable(),this.FormattedText=ko.observable()},DotvvmGlobalize=function(){function e(){}return e.prototype.getGlobalize=function(){var e=window.dotvvm_Globalize;if(!e)throw new Error("Resource 'globalize' is not included (symbol 'dotvvm_Globalize' could not be found).\nIt is usually included automatically when needed, but sometime it's not possible, so you will have to include it in your page using '<dot:RequiredResource Name=\"globalize\" />'");return e},e.prototype.format=function(e){for(var o=this,i=[],t=1;t<arguments.length;t++)i[t-1]=arguments[t];return e.replace(/\{([1-9]?[0-9]+)(:[^}]+)?\}/g,function(e,t,n){var r=i[parseInt(t)];return n?o.formatString(n,r):r})},e.prototype.formatString=function(e,t){if(null==(t=ko.unwrap(t))||""===t)return"";if("string"==typeof t&&null==(t=this.parseDotvvmDate(t)))throw new Error("Could not parse "+t+" as a date");return""!==e&&null!==e||(e="G"),this.getGlobalize().format(t,e,dotvvm.culture)},e.prototype.parseDotvvmDate=function(e){var t=e.match("^([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})(\\.[0-9]{3,7})$");return t?new Date(parseInt(t[1]),parseInt(t[2])-1,parseInt(t[3]),parseInt(t[4]),parseInt(t[5]),parseInt(t[6]),7<t.length?parseInt(t[7].substring(1,4)):0):null},e.prototype.parseNumber=function(e){return this.getGlobalize().parseFloat(e,10,dotvvm.culture)},e.prototype.parseDate=function(e,t,n){return this.getGlobalize().parseDate(e,t,dotvvm.culture,n)},e.prototype.bindingDateToString=function(t,n){var r=this;if(void 0===n&&(n="G"),!t)return"";function o(){var e=ko.unwrap(t);return"string"==typeof e?r.parseDotvvmDate(e):e}function e(){var e=o();return null!=e?r.getGlobalize().format(e,n,dotvvm.culture):""}if(ko.isWriteableObservable(t)){var i="string"==typeof o()?function(e){return t(null==e?null:dotvvm.serialization.serializeDate(e,!1))}:t;return ko.pureComputed({read:function(){return e()},write:function(e){return i(r.getGlobalize().parseDate(e,n,dotvvm.culture))}})}return ko.pureComputed(function(){return e()})},e.prototype.bindingNumberToString=function(r,t){var o=this;if(void 0===t&&(t="G"),null==r)return"";function e(){var e=function(){var e=ko.unwrap(r);return"string"==typeof e?o.parseNumber(e):e}();return null!=e?o.getGlobalize().format(e,t,dotvvm.culture):""}return ko.isWriteableObservable(r)?ko.pureComputed({read:function(){return e()},write:function(e){var t=o.getGlobalize().parseFloat(e,10,dotvvm.culture),n=null==e||null!=t&&!isNaN(t);r(n?t:null)}}):ko.pureComputed(function(){return e()})},e}(),PostbackOptions=function(e,t,n,r,o){void 0===n&&(n=[]),this.postbackId=e,this.sender=t,this.args=n,this.viewModel=r,this.viewModelName=o,this.additionalPostbackData={}},ConfirmPostBackHandler=function(){function e(e){this.message=e}return e.prototype.execute=function(n,e){var r=this;return new Promise(function(e,t){confirm(r.message)?n().then(e,t):t({type:"handler",handler:r,message:"The postback was not confirmed"})})},e}(),SuppressPostBackHandler=function(){function e(e){this.suppress=e}return e.prototype.execute=function(n,e){var r=this;return new Promise(function(e,t){r.suppress?t({type:"handler",handler:r,message:"The postback was suppressed"}):n().then(e,t)})},e}(),DotvvmSerialization=function(){function e(){}return e.prototype.deserialize=function(e,t,n){if(void 0===n&&(n=!1),void 0===e||null==e)return ko.isObservable(t)?(t(e),t):e;if("string"==typeof e||"number"==typeof e||"boolean"==typeof e)return ko.isObservable(t)?(t(e),t):e;if(e instanceof Date)return e=dotvvm.serialization.serializeDate(e),ko.isObservable(t)?(t(e),t):e;if(e instanceof Array){if(ko.isObservable(t)&&"removeAll"in t&&null!=t()&&t().length===e.length)for(var r=t(),o=0;o<e.length;o++){var i=r[o]();i!==(c=this.deserialize(e[o],i,n))&&r[o](c)}else{var a=[];for(o=0;o<e.length;o++)a.push(this.wrapObservable(this.deserialize(e[o],{},n)));ko.isObservable(t)?("removeAll"in t||(ko.utils.extend(t,ko.observableArray.fn),t=t.extend({trackArrayChanges:!0})),t(a)):t=ko.observableArray(a)}return t}void 0===t&&(t={});var s=ko.unwrap(t),l=!1;for(var d in null==s&&(s={},ko.isObservable(t)?l=!0:t=s),e)if(e.hasOwnProperty(d)&&!/\$options$/.test(d)){var u=e[d];if(void 0===u)continue;if(!ko.isObservable(u)&&"function"==typeof u)continue;var v=e[d+"$options"];if(!n&&v&&v.doNotUpdate)continue;var c=ko.isObservable(u)?u:this.deserialize(u,s[d],n);if(u instanceof Date&&(s[d+"$options"]=s[d+"$options"]||{},s[d+"$options"].isDate=!0),ko.isObservable(c))if(ko.isObservable(s[d]))c()!==s[d]()&&s[d](c());else{var p=ko.unwrap(c);s[d]=Array.isArray(p)?ko.observableArray(p):ko.observable(p)}else ko.isObservable(s[d])?c!==s[d]()&&s[d](c):s[d]=ko.observable(c);if(v&&v.clientExtenders&&ko.isObservable(s[d]))for(var f=0;f<v.clientExtenders.length;f++){var h={},m=v.clientExtenders[f];h[m.name]=m.parameter,s[d].extend(h)}}for(var d in e)if(e.hasOwnProperty(d)&&/\$options$/.test(d)){for(var b in s[d]=s[d]||{},e[d])e[d].hasOwnProperty(b)&&(s[d][b]=e[d][b]);var g=d.substring(0,d.length-"$options".length);void 0===s[g]&&(s[g]=ko.observable())}return l&&t(s),t},e.prototype.wrapObservable=function(e){return ko.isObservable(e)?e:ko.observable(e)},e.prototype.serialize=function(e,t){if(void 0===t&&(t={}),(t=ko.utils.extend({},t)).pathOnly&&t.path&&0===t.path.length&&(t.pathOnly=!1),null==e)return null;if("string"==typeof e||"number"==typeof e||"boolean"==typeof e)return e;if(ko.isObservable(e))return this.serialize(e(),t);if("function"==typeof e)return null;if(e instanceof Array){if(t.pathOnly&&t.path){var n=parseInt(t.path.pop());return(r=new Array(n+1))[n]=this.serialize(e[n],t),t.path.push(n.toString()),r}for(var r=[],o=0;o<e.length;o++)r.push(this.serialize(e[o],t));return r}if(e instanceof Date)return t.restApiTarget?e:this.serializeDate(e);var i=t.path&&t.path.pop(),a={};for(var s in e)if(e.hasOwnProperty(s)){if(t.pathOnly&&s!==i)continue;var l=e[s];if(t.ignoreSpecialProperties&&"$"===s[0])continue;if(!t.serializeAll&&(/\$options$/.test(s)||"$validationErrors"===s))continue;if(void 0===l)continue;if(!ko.isObservable(l)&&"function"==typeof l)continue;var d=e[s+"$options"];if(!t.serializeAll&&d&&d.doNotPost);else if(t.oneLevel)a[s]=ko.unwrap(l);else if(!t.serializeAll&&d&&d.pathOnly&&t.pathMatcher){var u=d.pathOnly;u instanceof Array||(u=t.path||this.findObject(l,t.pathMatcher)),u&&(0===u.length?a[s]=this.serialize(l,t):a[s]=this.serialize(l,{ignoreSpecialProperties:t.ignoreSpecialProperties,serializeAll:t.serializeAll,path:u,pathOnly:!0}))}else a[s]=this.serialize(l,t);d&&d.type&&!this.validateType(a[s],d.type)&&(delete a[s],d.wasInvalid=!0)}return i&&t.path&&t.path.push(i),a},e.prototype.validateType=function(e,t){var n="?"===t[t.length-1];if(n&&(t=t.substr(0,t.length-1)),n&&(null==e||""==e))return!0;if(!n&&null==e)return!1;var r=/(u?)int(\d*)/.exec(t);if(r){if(!/^-?\d*$/.test(e))return!1;var o="u"===r[1],i=parseInt(r[2]),a=0,s=Math.pow(2,i)-1;o||(s+=a=-Math.floor(s/2));var l=parseInt(e);return a<=l&&l<=s&&l===parseFloat(e)}return"number"!==t&&"single"!==t&&"double"!==t&&"decimal"!==t||(+e===e||!isNaN(+e)&&"string"==typeof e)},e.prototype.findObject=function(e,t){if(t(e))return[];if(t(e=ko.unwrap(e)))return[];if("object"!=typeof e)return null;for(var n in e)if(e.hasOwnProperty(n)){var r=this.findObject(e[n],t);if(r)return r.push(n),r}return null},e.prototype.flatSerialize=function(e){return this.serialize(e,{ignoreSpecialProperties:!0,oneLevel:!0,serializeAll:!0})},e.prototype.getPureObject=function(e){if((e=ko.unwrap(e))instanceof Array)return e.map(this.getPureObject.bind(this));var t={};for(var n in e)"$"!=n[0]&&(t[n]=e[n]);return t},e.prototype.pad=function(e,t){for(;e.length<t;)e="0"+e;return e},e.prototype.serializeDate=function(e,t){if(void 0===t&&(t=!0),null==e)return null;if("string"==typeof e)return null==dotvvm.globalize.parseDotvvmDate(e)&&console.error(new Error("Date "+e+" is invalid.")),e;var n=new Date(e.getTime());return t?n.setMinutes(e.getMinutes()+e.getTimezoneOffset()):n=e,this.pad(n.getFullYear().toString(),4)+"-"+this.pad((n.getMonth()+1).toString(),2)+"-"+this.pad(n.getDate().toString(),2)+"T"+this.pad(n.getHours().toString(),2)+":"+this.pad(n.getMinutes().toString(),2)+":"+this.pad(n.getSeconds().toString(),2)+"."+this.pad(n.getMilliseconds().toString(),3)+"0000"},e}();document.getElementByDotvvmId=function(e){return document.querySelector("[data-dotvvm-id='"+e+"']")};var DotVVM=function(){function e(){var r,i=this;this.postBackCounter=0,this.lastStartedPostack=0,this.resourceSigns={},this.isViewModelUpdating=!0,this.spaHistory=new DotvvmSpaHistory,this.viewModelObservables={},this.isSpaReady=ko.observable(!1),this.viewModels={},this.serialization=new DotvvmSerialization,this.postbackHandlers={confirm:function(e){return new ConfirmPostBackHandler(e.message)},suppress:function(e){return new SuppressPostBackHandler(e.suppress)},timeout:function(e){return e.time?i.createWindowSetTimeoutHandler(e.time):i.windowSetTimeoutHandler},"concurrency-default":function(n){return{name:"concurrency-default",before:["setIsPostbackRunning"],execute:function(e,t){return i.commonConcurrencyHandler(e(),t,n.q||"default")}}},"concurrency-deny":function(r){return{name:"concurrency-deny",before:["setIsPostbackRunning"],execute:function(e,t){var n=r.q||"default";return 0<dotvvm.getPostbackQueue(n).noRunning?Promise.reject({type:"handler",handler:this,message:"An postback is already running"}):dotvvm.commonConcurrencyHandler(e(),t,n)}}},"concurrency-queue":function(o){return{name:"concurrency-queue",before:["setIsPostbackRunning"],execute:function(e,t){function n(){return dotvvm.commonConcurrencyHandler(e(),t,r)}var r=o.q||"default";return 0<dotvvm.getPostbackQueue(r).noRunning?new Promise(function(e){dotvvm.getPostbackQueue(r).queue.push(function(){return e(n())})}):n()}}},suppressOnUpdating:function(e){return{name:"suppressOnUpdating",before:["setIsPostbackRunning","concurrency-default","concurrency-queue","concurrency-deny"],execute:function(e,t){return dotvvm.isViewModelUpdating?Promise.reject({type:"handler",handler:this,message:"ViewModel is updating, so it's probably false onchange event"}):e()}}}},this.suppressOnDisabledElementHandler={name:"suppressOnDisabledElement",before:["setIsPostbackRunning","concurrency-default","concurrency-queue","concurrency-deny"],execute:function(e,t){return t.sender&&dotvvm.isPostBackProhibited(t.sender)?Promise.reject({type:"handler",handler:i,message:"PostBack is prohitibited on disabled element"}):e()}},this.beforePostbackEventPostbackHandler={execute:function(e,t){var n=new DotvvmBeforePostBackEventArgs(t.sender,t.viewModel,t.viewModelName,t.postbackId);return i.events.beforePostback.trigger(n),n.cancel?Promise.reject({type:"event",options:t}):e()}},this.isPostBackRunningHandler=(r=0,{name:"setIsPostbackRunning",before:["eventInvoke-postbackHandlersStarted"],execute:function(e,t){i.isPostbackRunning(!0),r++;var n=e();return n.then(function(){return i.isPostbackRunning(!!--r)},function(){return i.isPostbackRunning(!!--r)}),n}}),this.windowSetTimeoutHandler=this.createWindowSetTimeoutHandler(0),this.commonConcurrencyHandler=function(e,n,t){var r=i.getPostbackQueue(t);r.noRunning++;function o(){if(r.noRunning--,0<r.queue.length){var e=r.queue.shift();window.setTimeout(e,0)}}return e.then(function(e){var t=i.lastStartedPostack==n.postbackId?e:function(){return Promise.reject(null)};return function(){var e=t();return e.then(o,o),e}},function(e){return o(),Promise.reject(e)})},this.defaultConcurrencyPostbackHandler=this.postbackHandlers["concurrency-default"]({}),this.postbackQueues={},this.postbackHandlersStartedEventHandler={name:"eventInvoke-postbackHandlersStarted",execute:function(e,t){return dotvvm.events.postbackHandlersStarted.trigger(t),e()}},this.postbackHandlersCompletedEventHandler={name:"eventInvoke-postbackHandlersCompleted",after:["eventInvoke-postbackHandlersStarted"],execute:function(e,t){return dotvvm.events.postbackHandlersCompleted.trigger(t),e()}},this.globalPostbackHandlers=[this.suppressOnDisabledElementHandler,this.isPostBackRunningHandler,this.postbackHandlersStartedEventHandler],this.globalLaterPostbackHandlers=[this.postbackHandlersCompletedEventHandler,this.beforePostbackEventPostbackHandler],this.events=new DotvvmEvents,this.globalize=new DotvvmGlobalize,this.evaluator=new DotvvmEvaluator,this.domUtils=new DotvvmDomUtils,this.fileUpload=new DotvvmFileUpload,this.extensions={},this.isPostbackRunning=ko.observable(!1),this.useHistoryApiViewModel=history&&(/Chrome/.test(navigator.userAgent)&&/Google Inc/.test(navigator.vendor)||/Edge/.test(navigator.userAgent))}return e.prototype.createWindowSetTimeoutHandler=function(n){return{name:"timeout",before:["eventInvoke-postbackHandlersStarted","setIsPostbackRunning"],execute:function(e,t){return new Promise(function(e,t){return window.setTimeout(e,n)}).then(function(){return e()})}}},e.prototype.getPostbackQueue=function(e){return void 0===e&&(e="default"),this.postbackQueues[e]||(this.postbackQueues[e]={queue:[],noRunning:0}),this.postbackQueues[e]},e.prototype.isBrowserReload=function(){if(performance){if(performance.getEntriesByType){var e=performance.getEntriesByType("navigation");if(0<e.length)return"reload"===e[0].type}if(performance.navigation)return 1===performance.navigation.type}return!1},e.prototype.init=function(t,e){var n=this;this.addKnockoutBindingHandlers();var r,o=document.getElementById("__dot_persisted_viewmodel_"+t).value;r=o||(!this.isBrowserReload()&&history.state&&history.state.dotvvm_viewmodels&&history.state.dotvvm_viewmodels[t]?history.state.dotvvm_viewmodels[t]:document.getElementById("__dot_viewmodel_"+t).value);var i=i=JSON.parse(r);if((this.viewModels[t]=i).resources)for(var a in i.resources)this.resourceSigns[a]=!0;i.renderedResources&&i.renderedResources.forEach(function(e){return n.resourceSigns[e]=!0});var s=i.resultIdFragment,l=i.viewModel=this.serialization.deserialize(this.viewModels[t].viewModel,{},!0);this.culture=e,this.validation=new DotvvmValidation(this),this.viewModelObservables[t]=ko.observable(l),ko.applyBindings(this.viewModelObservables[t],document.documentElement),this.events.init.trigger({viewModel:l});var d=this.getSpaPlaceHolder();if(null!=d){var u=function(e){return n.handleHashChange(t,d,e)};this.useHistoryApiSpaNavigation=JSON.parse(d.getAttribute("data-dotvvm-spacontentplaceholder-usehistoryapi")),this.useHistoryApiSpaNavigation&&(u=function(e){return n.handleHashChangeWithHistory(t,d,e)});this.domUtils.attachEvent(window,"hashchange",function(){return u(!1)}),u(!0)}if(window.addEventListener("popstate",function(e){return n.handlePopState(t,e,null!=d)}),this.isViewModelUpdating=!1,s)if(d){var v=document.getElementById(s);v&&"function"==typeof v.scrollIntoView&&v.scrollIntoView(!0)}else location.hash=s;this.domUtils.attachEvent(window,"beforeunload",function(e){n.persistViewModel(t)})},e.prototype.handlePopState=function(e,t,n){if(this.spaHistory.isSpaPage(t.state)){var r=this.spaHistory.getHistoryRecord(t.state);n?this.navigateCore(e,r.url):this.performRedirect(r.url,!0),t.preventDefault()}},e.prototype.handleHashChangeWithHistory=function(e,t,n){var r=this;if(0===document.location.hash.indexOf("#!/"))this.navigateCore(e,document.location.hash.substring(2),function(e){r.spaHistory.replacePage(e)});else{var o=t.getAttribute("data-dotvvm-spacontentplaceholder-defaultroute");if(!t.hasAttribute("data-dotvvm-spacontentplaceholder-content")&&o)this.navigateCore(e,"/"+o,function(e){return r.spaHistory.replacePage(e)});else{this.isSpaReady(!0),t.style.display="";var i=location.pathname+location.search+location.hash;this.spaHistory.replacePage(i)}}},e.prototype.handleHashChange=function(e,t,n){if(0===document.location.hash.indexOf("#!/"))this.navigateCore(e,document.location.hash.substring(2));else{var r=t.getAttribute("data-dotvvm-spacontentplaceholder-defaultroute");if(r)r="#!/"+r,r=this.fixSpaUrlPrefix(r),this.performRedirect(r,n);else if(n)this.isSpaReady(!0),t.style.display="";else{var o=(r=document.location.toString()).indexOf("/","https://".length);r=0<o?r.substring(o):"/",this.navigateCore(e,r)}}},e.prototype.persistViewModel=function(e){var t,n=this.viewModels[e],r={};for(var o in n)n.hasOwnProperty(o)&&(r[o]=n[o]);r.viewModel=this.serialization.serialize(r.viewModel,{serializeAll:!0});var i=JSON.stringify(r),a=history.state?history.state:{},s=a.dotvvm_viewmodels?a.dotvvm_viewmodels:{},l=__assign({},a,{dotvvm_viewmodels:__assign({},s,(t={},t[e]=i,t))});document.getElementById("__dot_viewmodel_"+e).value=i,document.getElementById("__dot_persisted_viewmodel_"+e).value=i,history.replaceState(l,document.title)},e.prototype.backUpPostBackConter=function(){return++this.postBackCounter},e.prototype.isPostBackStillActive=function(e){return this.postBackCounter===e},e.prototype.staticCommandPostback=function(t,n,e,r,o,i){var a=this;void 0===o&&(o=function(e){}),void 0===i&&(i=function(e,t){});var s=this.serialization.serialize({args:r,command:e,$csrfToken:this.viewModels[t].viewModel.$csrfToken});dotvvm.events.staticCommandMethodInvoking.trigger(s),this.postJSON(this.viewModels[t].url,"POST",ko.toJSON(s),function(t){try{a.isViewModelUpdating=!0;var e=JSON.parse(t.responseText);dotvvm.events.staticCommandMethodInvoked.trigger(__assign({},s,{result:e,xhr:t})),o(e)}catch(e){dotvvm.events.staticCommandMethodFailed.trigger(__assign({},s,{xhr:t,error:e})),i(t,e)}finally{a.isViewModelUpdating=!1}},function(e){a.events.error.trigger(new DotvvmErrorEventArgs(n,a.viewModels[t].viewModel,t,e,null)),console.warn("StaticCommand postback failed: "+e.status+" - "+e.statusText,e),i(e),dotvvm.events.staticCommandMethodFailed.trigger(__assign({},s,{xhr:e}))},function(e){e.setRequestHeader("X-PostbackType","StaticCommand")})},e.prototype.processPassedId=function(e,t){if("string"==typeof e||null==e)return e;if("object"==typeof e&&e.expr)return this.evaluator.evaluateOnViewModel(t,e.expr);throw new Error("invalid argument")},e.prototype.getPostbackHandler=function(e){var t=this.postbackHandlers[e];if(t)return t;throw new Error("Could not find postback handler of name '"+e+"'")},e.prototype.isPostbackHandler=function(e){return e&&"function"==typeof e.execute},e.prototype.findPostbackHandlers=function(r,e){function o(e,t){return!1===t.enabled?null:i.getPostbackHandler(e)(t)}var i=this;return e.map(function(e){return"string"==typeof e?o(e,{}):i.isPostbackHandler(e)?e:e instanceof Array?(t=e[0],n=e[1],o(t,"function"==typeof n?n(r,r.$data):n)):o(e.name,e.options&&e.options(r));var t,n}).filter(function(e){return null!=e})},e.prototype.sortHandlers=function(o){for(var n=function(){for(var t={},e=0,n=o;e<n.length;e++){var r=n[e];null!=r.name&&(t[r.name]=r)}return function(e){return"string"==typeof e?t[e]:e}}(),a=o.map(function(e,t){return e["@sort_index"]=t,{handler:e,deps:(e.after||[]).map(n)}}),e=0,t=o;e<t.length;e++){var r=t[e];if(r.before)for(var i=0,s=r.before.map(n);i<s.length;i++){var l=s[i];if(l){var d=l["@sort_index"];a[d].deps.push(r)}}}for(var u=[],v=new Uint8Array(a.length),c=function(e){switch(v[e]){case 0:break;case 1:throw new Error("Cyclic PostbackHandler dependency found.");case 2:return;default:throw new Error("")}if(1!=v[e]){v[e]=1;for(var t=a[e],n=t.handler,r=0,o=t.deps;r<o.length;r++){var i=o[r];c(i["@sort_index"])}v[e]=2,u.push(n)}},p=0;p<a.length;p++)c(p);return u},e.prototype.applyPostbackHandlersCore=function(e,r,t){function n(e){return"function"==typeof e?e:function(){return Promise.resolve(new DotvvmAfterPostBackEventArgs(r,null,e))}}return null==t||0===t.length?e(r).then(n,function(e){return Promise.reject(e)}):this.sortHandlers(t).reduceRight(function(e,t,n){return function(){return t.execute(e,r)}},function(){return e(r).then(n,function(e){return Promise.reject(e)})})()},e.prototype.applyPostbackHandlers=function(e,t,n,r,o,i,a){void 0===r&&(r=[]),void 0===o&&(o=ko.contextFor(t)),void 0===i&&(i=o.$root);var s=new PostbackOptions(this.backUpPostBackConter(),t,r,i,a),l=this.applyPostbackHandlersCore(e,s,this.findPostbackHandlers(o,this.globalPostbackHandlers.concat(n||[]).concat(this.globalLaterPostbackHandlers))).then(function(e){return e()},function(e){return Promise.reject(e)});return l.catch(function(e){e&&console.log("Rejected: "+e)}),l},e.prototype.postbackCore=function(v,r,o,i,a,s){var c=this;return new Promise(function(e,t){var d=v.viewModelName,u=c.viewModels[d].viewModel;c.lastStartedPostack=v.postbackId,c.updateDynamicPathFragments(a,r);var n={viewModel:c.serialization.serialize(u,{pathMatcher:function(e){return a&&e==a.$data}}),currentPath:r,command:o,controlUniqueId:c.processPassedId(i,a),additionalData:v.additionalPostbackData,renderedResources:c.viewModels[d].renderedResources,commandArgs:s};c.postJSON(c.viewModels[d].url,"POST",ko.toJSON(n),function(l){dotvvm.events.postbackResponseReceived.trigger({}),e(function(){return new Promise(function(i,a){dotvvm.events.postbackCommitInvoked.trigger({});var e=l.getResponseHeader("Location"),s=null!=e&&0<e.length?{action:"redirect",url:e}:JSON.parse(l.responseText);!s.viewModel&&s.viewModelDiff&&(s.viewModel=c.patch(n.viewModel,s.viewModelDiff)),c.loadResourceList(s.resources,function(){var e=!1;if("successfulCommand"===s.action){try{c.isViewModelUpdating=!0;var t=c.cleanUpdatedControls(s);s.viewModel&&(ko.delaySync.pause(),c.serialization.deserialize(s.viewModel,c.viewModels[d].viewModel),ko.delaySync.resume()),e=!0,c.cleanUpdatedControls(s,t),c.restoreUpdatedControls(s,t,!0)}finally{c.isViewModelUpdating=!1}dotvvm.events.postbackViewModelUpdated.trigger({})}else if("redirect"===s.action)return c.handleRedirect(s,d),i();var n=s.resultIdFragment;if(n)if(c.getSpaPlaceHolder()||location.hash=="#"+n){var r=document.getElementById(n);r&&"function"==typeof r.scrollIntoView&&r.scrollIntoView(!0)}else location.hash=n;if(e){var o=new DotvvmAfterPostBackEventArgs(v,s,s.commandResult,l);i(o)}else a(new DotvvmErrorEventArgs(v.sender,u,d,l,v.postbackId,s))})})})},function(e){t({type:"network",options:v,args:new DotvvmErrorEventArgs(v.sender,u,d,e,v.postbackId)})})})},e.prototype.handleSpaNavigation=function(e){return"_blank"==e.getAttribute("target")||this.handleSpaNavigationCore(e.getAttribute("href"))},e.prototype.handleSpaNavigationCore=function(e){var t=this;if(e&&0===e.indexOf("/")){return e=this.removeVirtualDirectoryFromUrl(e,"root"),this.navigateCore("root",e,function(e){history.state&&history.state.url==e||t.spaHistory.pushPage(e)}),!1}return!0},e.prototype.postBack=function(e,t,n,r,o,i,a,s){var l=this;i=i||ko.contextFor(t);var d=this.findPostbackHandlers(i,this.globalPostbackHandlers.concat(a||[]).concat(this.globalLaterPostbackHandlers));0==d.filter(function(e){return e.name&&0==e.name.indexOf("concurrency-")}).length&&d.push(this.defaultConcurrencyPostbackHandler);var u=new PostbackOptions(this.backUpPostBackConter(),t,s,i.$data,e),v=this.applyPostbackHandlersCore(function(e){return l.postbackCore(e,n,r,o,i,s)},u,d).then(function(e){return e().then(function(e){return e},function(e){return Promise.reject({type:"commit",args:e})})},function(e){return Promise.reject(e)});return v.then(function(e){return e&&l.events.afterPostback.trigger(e)},function(e){var t=new DotvvmAfterPostBackEventArgs(u,"commit"==e.type&&e.args?e.args.serverResponseObject:null,u.postbackId);"handler"==e.type||"event"==e.type?(t.wasInterrupted=!0,l.events.postbackRejected.trigger({})):"network"==e.type&&l.events.error.trigger(e.args),l.events.afterPostback.trigger(t)}),v},e.prototype.loadResourceList=function(e,t){var n="";for(var r in e){if(!/^__noname_\d+$/.test(r)){if(this.resourceSigns[r])continue;this.resourceSigns[r]=!0}n+=e[r]+" "}if(""!==n.trim()){var o=document.createElement("div");o.innerHTML=n;for(var i=[],a=0;a<o.children.length;a++)i.push(o.children.item(a));this.loadResourceElements(i,0,t)}else setTimeout(t,4)},e.prototype.loadResourceElements=function(e,t,n){var r=this;if(t>=e.length)n();else{var o=e[t],i=!1;if("script"==o.tagName.toLowerCase()){var a=document.createElement("script");o.src&&(a.src=o.src,i=!0),o.type&&(a.type=o.type),o.text&&(a.text=o.text),o=a}else if("link"==o.tagName.toLowerCase()){var s=document.createElement("link");o.href&&(s.href=o.href),o.rel&&(s.rel=o.rel),o.type&&(s.type=o.type),o=s}i&&(o.onload=function(){return r.loadResourceElements(e,t+1,n)}),document.head.appendChild(o),i||this.loadResourceElements(e,t+1,n)}},e.prototype.getSpaPlaceHolder=function(){var e=document.getElementsByName("__dot_SpaContentPlaceHolder");return 1==e.length?e[0]:null},e.prototype.navigateCore=function(a,e,t){var s=this,n=this.viewModels[a].viewModel,r=this.backUpPostBackConter(),o=new DotvvmSpaNavigatingEventArgs(n,a,e);if(this.events.spaNavigating.trigger(o),!o.cancel){var i=this.viewModels[a].virtualDirectory||"",l="/___dotvvm-spa___"+this.addLeadingSlash(e),d=this.addLeadingSlash(this.concatUrl(i,l)),u=this.getSpaPlaceHolder();if(u){t&&t(this.addLeadingSlash(this.concatUrl(i,this.addLeadingSlash(e))));var v=u.attributes["data-dotvvm-spacontentplaceholder"].value;this.getJSON(d,"GET",v,function(o){if(s.isPostBackStillActive(r)){var i=JSON.parse(o.responseText);s.loadResourceList(i.resources,function(){var e=!1;if("successfulCommand"!==i.action&&i.action){if("redirect"===i.action)return void s.handleRedirect(i,a,!0)}else try{s.isViewModelUpdating=!0;var t=s.cleanUpdatedControls(i);for(var n in s.viewModels[a]={},i)i.hasOwnProperty(n)&&(s.viewModels[a][n]=i[n]);ko.delaySync.pause(),s.serialization.deserialize(i.viewModel,s.viewModels[a].viewModel),ko.delaySync.resume(),e=!0,s.viewModelObservables[a](s.viewModels[a].viewModel),s.restoreUpdatedControls(i,t,!0),s.isSpaReady(!0)}finally{s.isViewModelUpdating=!1}var r=new DotvvmSpaNavigatedEventArgs(s.viewModels[a].viewModel,a,i,o);if(s.events.spaNavigated.trigger(r),!e&&!r.isHandled)throw"Invalid response from server!"})}},function(e){if(s.isPostBackStillActive(r)){var t=new DotvvmErrorEventArgs(void 0,n,a,e,-1,void 0,!0);s.events.error.trigger(t),t.handled||alert(e.responseText)}})}else document.location.href=d}},e.prototype.handleRedirect=function(e,t,n){var r;void 0===n&&(n=!1),null!=e.replace&&(n=e.replace),r=this.getSpaPlaceHolder()&&!this.useHistoryApiSpaNavigation&&e.url.indexOf("//")<0&&e.allowSpa?("#!"===(r="#!"+this.removeVirtualDirectoryFromUrl(e.url,t))&&(r="#!/"),this.fixSpaUrlPrefix(r)):e.url;var o=new DotvvmRedirectEventArgs(dotvvm.viewModels[t],t,r,n);this.events.redirect.trigger(o),this.performRedirect(r,n,e.allowSpa&&this.useHistoryApiSpaNavigation)},e.prototype.performRedirect=function(e,t,n){if(t)location.replace(e);else if(n)this.handleSpaNavigationCore(e);else{var r=this.fakeRedirectAnchor;r||((r=document.createElement("a")).style.display="none",r.setAttribute("data-dotvvm-fake-id","dotvvm_fake_redirect_anchor_87D7145D_8EA8_47BA_9941_82B75EE88CDB"),document.body.appendChild(r),this.fakeRedirectAnchor=r),r.href=e,r.click()}},e.prototype.fixSpaUrlPrefix=function(e){var t=this.getSpaPlaceHolder().attributes["data-dotvvm-spacontentplaceholder-urlprefix"];if(!t)return e;var n=t.value;return n!==document.location.pathname&&(""===n&&(n="/"),e=n+e),e},e.prototype.removeVirtualDirectoryFromUrl=function(e,t){var n="/"+this.viewModels[t].virtualDirectory;return 0==e.indexOf(n)?this.addLeadingSlash(e.substring(n.length)):e},e.prototype.addLeadingSlash=function(e){return 0<e.length&&"/"!=e.substring(0,1)?"/"+e:e},e.prototype.concatUrl=function(e,t){return 0<e.length&&"/"==e.substring(e.length-1)&&(e=e.substring(0,e.length-1)),e+this.addLeadingSlash(t)},e.prototype.patch=function(n,e){var r=this;if(n instanceof Array&&e instanceof Array)return e.map(function(e,t){return r.patch(n[t],e)});if(n instanceof Array||e instanceof Array)return e;if("object"!=typeof n||"object"!=typeof e||!n||!e)return e;for(var t in e)null==e[t]?n[t]=null:null==n[t]?n[t]=e[t]:n[t]=this.patch(n[t],e[t]);return n},e.prototype.updateDynamicPathFragments=function(e,t){for(var n=t.length-1;0<=n;n--)0<=t[n].indexOf("[$index]")&&(t[n]=t[n].replace("[$index]","["+e.$index()+"]")),0<=t[n].indexOf("[$indexPath]")&&(t[n]=t[n].replace("[$indexPath]","["+e.$indexPath.map(function(e){return e()}).join("]/[")+"]")),e=e.$parentContext},e.prototype.postJSON=function(e,t,n,r,o,i){void 0===i&&(i=function(e){});var a=this.getXHR();a.open(t,e,!0),a.setRequestHeader("Content-Type","application/json"),a.setRequestHeader("X-DotVVM-PostBack","true"),a.setRequestHeader("X-Requested-With","XMLHttpRequest"),i(a),a.onreadystatechange=function(){a.readyState===XMLHttpRequest.DONE&&(a.status<400?r(a):o(a))},a.send(n)},e.prototype.getJSON=function(e,t,n,r,o){var i=this.getXHR();i.open(t,e,!0),i.setRequestHeader("Content-Type","application/json"),i.setRequestHeader("X-DotVVM-SpaContentPlaceHolder",n),i.onreadystatechange=function(){i.readyState===XMLHttpRequest.DONE&&(i.status<400?r(i):o(i))},i.send()},e.prototype.getXHR=function(){return XMLHttpRequest?new XMLHttpRequest:new window.ActiveXObject("Microsoft.XMLHTTP")},e.prototype.cleanUpdatedControls=function(e,t){for(var n in void 0===t&&(t={}),e.updatedControls)if(e.updatedControls.hasOwnProperty(n)){var r=document.getElementByDotvvmId(n);if(r){var o=ko.contextFor(r),i=r.nextSibling,a=r.parentNode;ko.removeNode(r),t[n]={control:r,nextSibling:i,parent:a,dataContext:o}}}return t},e.prototype.restoreUpdatedControls=function(n,r,e){var o=this;for(var t in n.updatedControls)if(n.updatedControls.hasOwnProperty(t)){var i=r[t];if(i){var a=document.createElement(r[t].parent.tagName||"div");if(a.innerHTML=n.updatedControls[t],1<a.childElementCount)throw new Error("Postback.Update control can not render more than one element");var s=a.firstElementChild;if(null==s.id)throw new Error("Postback.Update control always has to render id attribute.");s.id!==r[t].control.id&&console.log("Postback.Update control changed id from '"+r[t].control.id+"' to '"+s.id+"'"),a.removeChild(s),i.nextSibling?i.parent.insertBefore(s,i.nextSibling):i.parent.appendChild(s)}}e&&window.setTimeout(function(){try{for(var e in o.isViewModelUpdating=!0,n.updatedControls){var t=document.getElementByDotvvmId(e);t&&ko.applyBindings(r[e].dataContext,t)}}finally{o.isViewModelUpdating=!1}},0)},e.prototype.unwrapArrayExtension=function(e){return ko.unwrap(ko.unwrap(e))},e.prototype.buildRouteUrl=function(e,a){var t=(e="/"+e).replace(/(\/[^\/]*?)\{([^\}]+?)\??(:(.+?))?\}/g,function(e,t,n,r,o){if(!n)return"";var i=ko.unwrap(a[n.toLowerCase()]);return null==i?"":t+i});return 0===t.indexOf("/")?t.substring(1):t},e.prototype.buildUrlSuffix=function(e,t){var n,r;for(var o in r=-1!==e.indexOf("#")?(n=e.substring(0,e.indexOf("#")),e.substring(e.indexOf("#"))):(n=e,""),t)if(t.hasOwnProperty(o)){if(!o)continue;var i=ko.unwrap(t[o]);if(null==i)continue;n=n.concat(-1!==n.indexOf("?")?"&"+o+"="+i:"?"+o+"="+i)}return n.concat(r)},e.prototype.isPostBackProhibited=function(e){return!!(e&&e.tagName&&-1<["a","input","button"].indexOf(e.tagName.toLowerCase())&&e.getAttribute("disabled"))},e.prototype.addKnockoutBindingHandlers=function(){function v(n,r){void 0===r&&(r=null);var e=ko.pureComputed({read:function(){var e=n();return ko.unwrap(e)},write:function(e){var t=n();ko.isObservable(t)?t(e):console.warn("Attempted to write to readonly property"+(null==r?"":" "+r)+".")}});return e.wrappedProperty=n,e}ko.virtualElements.allowedBindings.dotvvm_withControlProperties=!0,ko.bindingHandlers.dotvvm_withControlProperties={init:function(e,t,n,r,o){if(!o)throw new Error;var i=t();for(var a in i)i[a]=v(function(){var e=t()[this.prop];return ko.isObservable(e)?e:dotvvm.serialization.deserialize(e)}.bind({prop:a}),"'"+a+"' at '"+t.toString()+"'");var s=o.extend({$control:i});return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}},update:function(e,t,n,r,o){}},ko.virtualElements.allowedBindings.dotvvm_introduceAlias=!0,ko.bindingHandlers.dotvvm_introduceAlias={init:function(e,t,n,r,o){if(!o)throw new Error;var i=t(),a={};for(var s in i){for(var l=s.split("."),d=a;0<l.length-1;0)d=a[l[0]]||(a[l[0]]={});d[l[l.length-1]]=v(function(){return t()[this.prop]}.bind({prop:s}),"'"+s+"' at '"+t.toString()+"'")}var u=o.extend(a);return e.innerBindingContext=u,ko.applyBindingsToDescendants(u,e),{controlsDescendantBindings:!0}}};var l="$foreachCollectionSymbol";ko.virtualElements.allowedBindings["dotvvm-SSR-foreach"]=!0,ko.bindingHandlers["dotvvm-SSR-foreach"]={init:function(e,t,n,r,o){var i;if(!o)throw new Error;var a=t(),s=o.extend(((i={})[l]=a.data,i));return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}}},ko.virtualElements.allowedBindings["dotvvm-SSR-item"]=!0,ko.bindingHandlers["dotvvm-SSR-item"]={init:function(e,t,n,r,o){if(!o)throw new Error;var i=t(),a=o[l],s=o.createChildContext(function(){return ko.unwrap((ko.unwrap(a)||[])[i])}).extend({$index:ko.pureComputed(function(){return i})});return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}}},ko.virtualElements.allowedBindings.withGridViewDataSet=!0,ko.bindingHandlers.withGridViewDataSet={init:function(e,t,n,r,o){var i;if(!o)throw new Error;var a=t(),s=o.extend(((i={$gridViewDataSet:a})[l]=dotvvm.evaluator.getDataSourceItems(a),i));return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}},update:function(e,t,n,r,o){}},ko.bindingHandlers.dotvvmEnable={update:function(e,t){var n=ko.utils.unwrapObservable(t());n&&e.disabled?(e.disabled=!1,e.removeAttribute("disabled")):n||e.disabled||(e.disabled=!0,e.setAttribute("disabled","disabled"))}},ko.bindingHandlers["dotvvm-checkbox-updateAfterPostback"]={init:function(e,t,r,n,o){dotvvm.events.afterPostback.subscribe(function(e){var t=r();if(t["dotvvm-checked-pointer"]){var n=t[t["dotvvm-checked-pointer"]];ko.isObservable(n)&&(n.valueHasMutated?n.valueHasMutated():n.notifySubscribers())}})}},ko.bindingHandlers["dotvvm-checked-pointer"]={init:function(e,t,n,r,o){}},ko.bindingHandlers["dotvvm-UpdateProgress-Visible"]={init:function(t,e,n,r,o){t.style.display="none";var i,a=t.getAttribute("data-delay"),s=!1;dotvvm.isPostbackRunning.subscribe(function(e){e?s||(s=!0,null==a?t.style.display="":i=setTimeout(function(e){t.style.display=""},a)):(s=!1,clearTimeout(i),t.style.display="none")})}},ko.bindingHandlers["dotvvm-table-columnvisible"]={init:function(e,t,n,r,o){var i="",a=!0;if(e instanceof HTMLTableCellElement){for(var s=e;!(s instanceof HTMLTableElement);)s=s.parentElement;var l=s.rows.item(0);if(!l)throw Error("Table with dotvvm-table-columnvisible binding handler must not be empty.");var d=[].slice.call(l.cells).indexOf(e);e.dotvvmChangeVisibility=function(e,t,n){if(a!=n){a=n;for(var r=0;r<e.rows.length;r++){var o=e.rows.item(r).cells[t].style;n?o.display=i:(i=o.display||"",o.display="none")}}}.bind(null,s,d)}},update:function(e,t){e.dotvvmChangeVisibility(ko.unwrap(t()))}},ko.bindingHandlers["dotvvm-textbox-text"]={init:function(r,e,t,n,o){var i=e(),a=(t.get("valueUpdate"),new DotvvmValidationElementMetadata);a.element=r,a.dataType=(r.attributes["data-dotvvm-value-type"]||{value:""}).value,a.format=(r.attributes["data-dotvvm-format"]||{value:""}).value;var s=null;s=ko.isObservable(i)?(i.dotvvmMetadata?(i.dotvvmMetadata.elementsMetadata||(i.dotvvmMetadata.elementsMetadata=[]),i.dotvvmMetadata.elementsMetadata.push(a)):(i.dotvvmMetadata=new DotvvmValidationObservableMetadata,i.dotvvmMetadata.elementsMetadata=[a]),i.dotvvmMetadata.elementsMetadata):new DotvvmValidationObservableMetadata,setTimeout(function(r,o){ko.utils.domNodeDisposal.addDisposeCallback(o,function(){for(var e=0,t=r;e<t.length;e++){var n=t[e];if(n.element===o){r.splice(r.indexOf(n),1);break}}})},0,s,r),dotvvm.domUtils.attachEvent(r,"change",function(){if(ko.isObservable(i)){var e,t;if("datetime"===a.dataType){var n=i();null!=n&&(n=dotvvm.globalize.parseDotvvmDate(n)),t=null==(e=dotvvm.globalize.parseDate(r.value,a.format,n))?null:dotvvm.serialization.serializeDate(e,!1)}else t=null===(e=dotvvm.globalize.parseNumber(r.value))||isNaN(e)?null:e;null==t&&null!==r.value&&""!==r.value?(r.attributes["data-invalid-value"]=r.value,r.attributes["data-dotvvm-value-type-valid"]=!1,a.elementValidationState=!1):(r.attributes["data-invalid-value"]=null,r.attributes["data-dotvvm-value-type-valid"]=!0,a.elementValidationState=!0),i()===t?i.valueHasMutated?i.valueHasMutated():i.notifySubscribers():i(t)}})},update:function(e,t,n,r,o){var i=t(),a=(e.attributes["data-dotvvm-format"]||{value:""}).value,s=ko.unwrap(i);if(a){var l=dotvvm.globalize.formatString(a,s),d=e.attributes["data-invalid-value"];if(null==d){if(e.value=l||"",i.dotvvmMetadata&&i.dotvvmMetadata.elementsMetadata)for(var u=0,v=i.dotvvmMetadata.elementsMetadata;u<v.length;u++){var c=v[u];c.element===e&&(e.attributes["data-dotvvm-value-type-valid"]=!0,c.elementValidationState=!0)}}else e.attributes["data-invalid-value"]=null,e.value=d}else e.value=s}},ko.bindingHandlers["dotvvm-textbox-select-all-on-focus"]={init:function(e,t,n,r,o){e.$selectAllOnFocusHandler=function(){e.select()}},update:function(e,t,n,r,o){!0===ko.unwrap(t())?e.addEventListener("focus",e.$selectAllOnFocusHandler):e.removeEventListener("focus",e.$selectAllOnFocusHandler)}},ko.bindingHandlers["dotvvm-CheckState"]={init:function(e,t,n,r,o){ko.getBindingHandler("checked").init(e,t,n,r,o)},update:function(e,t,n){var r=ko.unwrap(t());e.indeterminate=null==r}}},e}(),DotvvmValidationContext=function(e,t,n){this.valueToValidate=e,this.parentViewModel=t,this.parameters=n},DotvvmValidationObservableMetadata=function(){},DotvvmValidationElementMetadata=function(){this.elementValidationState=!0},DotvvmValidatorBase=function(){function e(){}return e.prototype.isValid=function(e,t){return!1},e.prototype.isEmpty=function(e){return null==e||"string"==typeof e&&""===e.trim()},e.prototype.getValidationMetadata=function(e){return e.dotvvmMetadata},e}(),DotvvmRequiredValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate;return!this.isEmpty(t)},t}(DotvvmValidatorBase),DotvvmRegularExpressionValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate,n=e.parameters[0];return this.isEmpty(t)||new RegExp(n).test(t)},t}(DotvvmValidatorBase),DotvvmIntRangeValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate,n=e.parameters[0],r=e.parameters[1];return t%1==0&&n<=t&&t<=r},t}(DotvvmValidatorBase),DotvvmEnforceClientFormatValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e,t){var n=!0;e.parameters[0]||null!=e.valueToValidate||(n=!1),e.parameters[1]||0!==e.valueToValidate.length||(n=!1),!e.parameters[2]&&this.isEmpty(e.valueToValidate)&&(n=!1);var r=this.getValidationMetadata(t);if(r&&r.elementsMetadata)for(var o=0,i=r.elementsMetadata;o<i.length;o++){i[o].elementValidationState||(n=!1)}return n},t}(DotvvmValidatorBase),DotvvmRangeValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e,t){var n=e.valueToValidate,r=e.parameters[0],o=e.parameters[1];return r<=n&&n<=o},t}(DotvvmValidatorBase),DotvvmNotNullValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){return null!==e.valueToValidate&&void 0!==e.valueToValidate},t}(DotvvmValidatorBase),DotvvmEmailAddressValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate;if(null==t)return!0;if("string"!=typeof t)return!1;for(var n=!1,r=0;r<t.length;r++)if("@"==t[r]){if(n||0==r||r==t.length-1)return!1;n=!0}return n},t}(DotvvmValidatorBase),ValidationError=function(){function e(e,t){this.validatedObservable=e,this.errorMessage=t}return e.getOrCreate=function(e){if(e.wrappedProperty){var t=e.wrappedProperty();ko.isObservable(t)&&(e=t)}return e.validationErrors||(e.validationErrors=ko.observableArray()),e.validationErrors},e.isValid=function(e){return!e.validationErrors||0===e.validationErrors().length},e.prototype.clear=function(e){this.validatedObservable.validationErrors.remove(this),e.errors.remove(this)},e}(),DotvvmValidation=function(){function e(i){var d=this;this.rules={required:new DotvvmRequiredValidator,regularExpression:new DotvvmRegularExpressionValidator,intrange:new DotvvmIntRangeValidator,range:new DotvvmRangeValidator,emailAddress:new DotvvmEmailAddressValidator,notnull:new DotvvmNotNullValidator,enforceClientFormat:new DotvvmEnforceClientFormatValidator},this.errors=ko.observableArray([]),this.events={validationErrorsChanged:new DotvvmEvent("dotvvm.validation.events.validationErrorsChanged")},this.elementUpdateFunctions={hideWhenValid:function(e,t,n){0<t.length?e.style.display="":e.style.display="none"},invalidCssClass:function(e,t,n){if(0<t.length)e.className+=" "+n;else{var r=n.split(" ");e.className=e.className.split(" ").filter(function(e){return r.indexOf(e)<0}).join(" ")}},setToolTipText:function(e,t,n){0<t.length?e.title=t.join(", "):e.title=""},showErrorMessageText:function(e,t,n){e[e.innerText?"innerText":"textContent"]=t.join(", ")}};function t(o){return{execute:function(e,t){if(o){t.additionalPostbackData.validationTargetPath=o;var n=ko.contextFor(t.sender),r=i.evaluator.evaluateOnViewModel(n,o);if(d.errors([]),d.clearValidationErrors(i.viewModelObservables[t.viewModelName||"root"]),d.validateViewModel(r),0<d.errors().length)return console.log("Validation failed: postback aborted; errors: ",d.errors()),Promise.reject({type:"handler",handler:d,message:"Validation failed"});d.events.validationErrorsChanged.trigger({viewModel:t.viewModel})}return e()}}}i.postbackHandlers.validate=function(e){return t(e.path)},i.postbackHandlers["validate-root"]=function(){return t("dotvvm.viewModelObservables['root']")},i.postbackHandlers["validate-this"]=function(){return t("$data")},i.events.afterPostback.subscribe(function(e){!e.wasInterrupted&&e.serverResponseObject&&("successfulCommand"===e.serverResponseObject.action?(d.mergeValidationRules(e),e.isHandled=!0):"validationErrors"===e.serverResponseObject.action&&(d.showValidationErrorsFromServer(e),e.isHandled=!0)),d.events.validationErrorsChanged.trigger(e)}),i.events.spaNavigating.subscribe(function(e){d.clearValidationErrors(i.viewModelObservables[e.viewModelName])}),ko.bindingHandlers.dotvvmValidation={init:function(t,e,n,r,o){var i=e();if(ko.isObservable(i)){function a(e,t){for(var n in s)s.hasOwnProperty(n)&&d.elementUpdateFunctions[n](e,t.map(function(e){return e.errorMessage}),s[n])}var s=n.get("dotvvmValidationOptions"),l=ValidationError.getOrCreate(i);l.subscribe(function(e){return a(t,e)}),a(t,l())}}}}return e.prototype.validateViewModel=function(e){if(ko.isObservable(e)&&(e=ko.unwrap(e)),e){var t=ko.unwrap(e.$type),n=(dotvvm.viewModels.root.validationRules||{})[t]||{};for(var r in e)if(e.hasOwnProperty(r)&&0!==r.indexOf("$")){var o=e[r];if(o&&ko.isObservable(o)){var i=e[r]();n.hasOwnProperty(r)&&this.validateProperty(e,o,i,n[r]);var a=e[r+"$options"];if(a&&a.type&&ValidationError.isValid(o)&&!dotvvm.serialization.validateType(i,a.type)){var s=new ValidationError(o,"The value of property "+r+" ("+i+") is invalid value for type "+a.type+".");this.addValidationError(o,s)}if(i)if(Array.isArray(i))for(var l=0,d=i;l<d.length;l++){var u=d[l];this.validateViewModel(u)}else i&&i instanceof Object&&this.validateViewModel(i)}}}},e.prototype.validateProperty=function(e,t,n,r){for(var o=0,i=r;o<i.length;o++){var a=i[o],s=this.rules[a.ruleName],l=new DotvvmValidationContext(n,e,a.parameters);if(!s.isValid(l,t)){ValidationError.getOrCreate(t);var d=new ValidationError(t,a.errorMessage);this.addValidationError(t,d)}}},e.prototype.mergeValidationRules=function(e){if(e.serverResponseObject.validationRules){var t=dotvvm.viewModels[e.viewModelName].validationRules;for(var n in void 0===t&&(dotvvm.viewModels[e.viewModelName].validationRules={},t=dotvvm.viewModels[e.viewModelName].validationRules),e.serverResponseObject.validationRules)e.serverResponseObject.validationRules.hasOwnProperty(n)&&(t[n]=e.serverResponseObject.validationRules[n])}},e.prototype.clearValidationErrors=function(e){if(e&&ko.isObservable(e)){if(e.validationErrors)for(var t=0,n=e.validationErrors();t<n.length;t++){n[t].clear(this)}var r=e();if(r){if(Array.isArray(r))for(var o=0,i=r;o<i.length;o++){var a=i[o];this.clearValidationErrors(a)}for(var s in r)if(r.hasOwnProperty(s)&&0!==s.indexOf("$")){var l=r[s];this.clearValidationErrors(l)}}}},e.prototype.getValidationErrors=function(e,t,n,r){if(void 0===r&&(r=!0),!e)return[];var o=[];if(n&&(o=o.concat(ValidationError.getOrCreate(e)())),r){var i=ko.unwrap(e);if(Array.isArray(i))for(var a=0,s=i;a<s.length;a++){var l=s[a];o=o.concat(this.getValidationErrors(l,t,!0,t))}else for(var d in i)if(i.hasOwnProperty(d)&&0!==d.indexOf("$")){var u=i[d];u&&ko.isObservable(u)&&(o=o.concat(this.getValidationErrors(u,t,!0,t)))}}return o},e.prototype.showValidationErrorsFromServer=function(e){var t=ko.contextFor(e.sender),n=dotvvm.evaluator.evaluateOnViewModel(t,e.postbackOptions.additionalPostbackData.validationTargetPath);if(n){this.clearValidationErrors(dotvvm.viewModelObservables[e.viewModelName]);for(var r=e.serverResponseObject.modelState,o=0;o<r.length;o++){var i,a=r[o].propertyPath;i=a?(ko.isObservable(n)&&(n=ko.unwrap(n)),dotvvm.evaluator.evaluateOnViewModel(n,a)):n;var s=new ValidationError(i,r[o].errorMessage);this.addValidationError(i,s)}}},e.prototype.addValidationError=function(e,t){ValidationError.getOrCreate(e).indexOf(t)<0&&(e.validationErrors.push(t),this.errors.push(t))},e}(),DotvvmEvaluator=function(){function DotvvmEvaluator(){}return DotvvmEvaluator.prototype.evaluateOnViewModel=function(context,expression){var result;return result=context&&context.$data?eval("(function ($context) { with($context) { with ($data) { return "+expression+"; } } })")(context):eval("(function ($context) { var $data=$context; with($context) { return "+expression+"; } })")(context),result&&result.$data&&(result=result.$data),result},DotvvmEvaluator.prototype.evaluateOnContext=function(e,t){var n=!1;for(var r in e)if(0===t.indexOf(r)){n=!0;break}return n||(t="$data."+t),this.evaluateOnViewModel(e,t)},DotvvmEvaluator.prototype.getDataSourceItems=function(e){var t=ko.unwrap(e);return void 0===t||null==t?[]:ko.unwrap(t.Items||t)},DotvvmEvaluator.prototype.tryEval=function(e){try{return e()}catch(e){return null}},DotvvmEvaluator.prototype.isObservableArray=function(e){return ko.isComputed(e)?Array.isArray(e.peek()):!!ko.isObservable(e)&&"push"in e},DotvvmEvaluator.prototype.wrapObservable=function(n,e){var r=this,t=ko.pureComputed({read:function(){return ko.unwrap(r.getExpressionResult(n))},write:function(e){return r.updateObservable(n,e)}});return e&&(t.push=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"push",e)},t.pop=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"pop",e)},t.unshift=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"unshift",e)},t.shift=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"shift",e)},t.reverse=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"reverse",e)},t.sort=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"sort",e)},t.splice=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"splice",e)},t.slice=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"slice",e)},t.replace=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"replace",e)},t.indexOf=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"indexOf",e)},t.remove=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"remove",e)},t.removeAll=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"removeAll",e)},t=t.extend({trackArrayChanges:!0})),t.extend({notify:"always"})},DotvvmEvaluator.prototype.updateObservable=function(e,t){var n=this.getExpressionResult(e);ko.isWriteableObservable(n)?n(t):console.error("Cannot write a value to ko.computed because the expression '"+e+"' does not return a writable observable.")},DotvvmEvaluator.prototype.updateObservableArray=function(e,t,n){var r=this.getExpressionResult(e);this.isObservableArray(r)?r[t].apply(r,n):console.error("Cannot execute '"+t+"' function on ko.computed because the expression '"+e+"' does not return an observable array.")},DotvvmEvaluator.prototype.getExpressionResult=function(e){var t=e();return ko.isComputed(t)&&"wrappedProperty"in t&&(t=t.wrappedProperty()),t},DotvvmEvaluator}(),DotvvmEventHub=function(){function e(){this.map={}}return e.prototype.notify=function(e){e in this.map?this.map[e].notifySubscribers():this.map[e]=ko.observable(0)},e.prototype.get=function(e){return this.map[e]||(this.map[e]=ko.observable(0))},e}();function basicAuthenticatedFetch(t,n){var r=sessionStorage.getItem("someAuth");return null!=r&&(null==n&&(n={}),null==n.headers&&(n.headers={}),null==n.headers.Authorization&&(n.headers.Authorization="Basic "+btoa(r))),null==n&&(n={}),n.cache||(n.cache="no-cache"),window.fetch(t,n).then(function(e){return 401===e.status&&null==r?(null==sessionStorage.getItem("someAuth")&&function(){var e=prompt("You credentials for "+(t.url||t))||"";sessionStorage.setItem("someAuth",e)}(),basicAuthenticatedFetch(t,n)):e})}!function(){var a={};DotVVM.prototype.invokeApiFn=function(n,e,o,t){void 0===e&&(e=[]),void 0===o&&(o=[]),void 0===t&&(t=n.toString());var i=a[t]||(a[t]=ko.observable(null)),r=ko.pureComputed(function(){return i()});return r.refreshValue=function(e){var t=i.promise;if(i.isLoading||(i.isLoading=!0,t=function(){try{return{type:"result",result:window.Promise.resolve(ko.ignoreDependencies(n)).then(function(e){e&&(i(ko.unwrap(dotvvm.serialization.deserialize(e,i))),i.notifySubscribers());for(var t=0,n=o;t<n.length;t++){var r=n[t];dotvvm.eventHub.notify(r)}return e},console.warn)}}catch(e){return console.warn(e),{type:"error",error:e}}}(),i.promise=t),"error"!=t.type)return t.result.then(function(e){return i.isLoading=!1},function(e){return i.isLoading=!1}),t.result;if(i.isLoading=!1,e)throw t.error},i.peek()||r.refreshValue(),ko.computed(function(){return e.map(function(e){return"string"==typeof e?dotvvm.eventHub.get(e)():e()})}).subscribe(function(e){return r.refreshValue()}),r},DotVVM.prototype.apiRefreshOn=function(e,t){return"function"!=typeof e.refreshValue&&console.error("The object is not refreshable"),t.subscribe(function(){"function"!=typeof e.refreshValue&&console.error("The object is not refreshable"),e.refreshValue&&e.refreshValue()}),e},DotVVM.prototype.api={},DotVVM.prototype.eventHub=new DotvvmEventHub}();
\ No newline at end of file
diff --git a/src/DotVVM.Framework/Resources/Scripts/DotVVM.ts b/src/DotVVM.Framework/Resources/Scripts/DotVVM.ts
index ed4d2ee29b..6a356507c7 100644
--- a/src/DotVVM.Framework/Resources/Scripts/DotVVM.ts
+++ b/src/DotVVM.Framework/Resources/Scripts/DotVVM.ts
@@ -245,16 +245,18 @@ class DotVVM {
         this.addKnockoutBindingHandlers();
 
         // load the viewmodel
-        var thisViewModel: IDotvvmViewModelInfo;
-        var shouldLoadFromHistoryApi = this.useHistoryApiViewModel && !this.isBrowserReload() && history.state && history.state.dotvvm_viewmodels && history.state.dotvvm_viewmodels[viewModelName];
+        var persistedJson = (<HTMLInputElement>document.getElementById("__dot_persisted_viewmodel_" + viewModelName)).value;
+        var json: string;
 
-        if (shouldLoadFromHistoryApi) {
-            // create a new object, otherwise the object in the history state will be changed which will result in serialize errors.
-            thisViewModel = <IDotvvmViewModelInfo>{ ...history.state.dotvvm_viewmodels[viewModelName] };
+        if (persistedJson) {
+            json = persistedJson;
+        } else if (!this.isBrowserReload() && history.state && history.state.dotvvm_viewmodels && history.state.dotvvm_viewmodels[viewModelName]) {
+            json = history.state.dotvvm_viewmodels[viewModelName];
         } else {
-            thisViewModel = <IDotvvmViewModelInfo>JSON.parse((<HTMLInputElement>document.getElementById("__dot_viewmodel_" + viewModelName)).value);
+            json = (<HTMLInputElement>document.getElementById("__dot_viewmodel_" + viewModelName)).value;
         }
 
+        var thisViewModel = thisViewModel = <IDotvvmViewModelInfo>JSON.parse(json);
         this.viewModels[viewModelName] = thisViewModel;
 
         if (thisViewModel.resources) {
@@ -382,22 +384,6 @@ class DotVVM {
     private persistViewModel(viewModelName: string) {
         var viewModel = this.viewModels[viewModelName];
 
-        if (this.useHistoryApiViewModel) {
-            var currentState = history.state ? history.state : {};
-            var persistedViewModels = currentState.dotvvm_viewmodels ? currentState.dotvvm_viewmodels : {};
-
-            // add the new viewmodel to the existing state, otherwise SPA mode will break.
-            var state = {
-                dotvvm_viewmodels: {
-                    [viewModelName]: ko.toJS(viewModel),
-                    ...persistedViewModels
-                },
-                ...currentState
-            };
-
-            history.replaceState(state, document.title);
-        }
-
         var persistedViewModel = {};
         for (var p in viewModel) {
             if (viewModel.hasOwnProperty(p)) {
@@ -405,7 +391,23 @@ class DotVVM {
             }
         }
         persistedViewModel["viewModel"] = this.serialization.serialize(persistedViewModel["viewModel"], { serializeAll: true });
-        (<HTMLInputElement>document.getElementById("__dot_viewmodel_" + viewModelName)).value = JSON.stringify(persistedViewModel);
+
+        var json = JSON.stringify(persistedViewModel);
+        var currentState = history.state ? history.state : {};
+        var persistedViewModels = currentState.dotvvm_viewmodels ? currentState.dotvvm_viewmodels : {};
+
+        // add the new viewmodel to the existing state, otherwise SPA mode will break.
+        var state = {
+            ...currentState,
+            dotvvm_viewmodels: {
+                ...persistedViewModels,
+                [viewModelName]: json
+            }
+        };
+
+        (<HTMLInputElement>document.getElementById("__dot_viewmodel_" + viewModelName)).value = json;
+        (<HTMLInputElement>document.getElementById("__dot_persisted_viewmodel_" + viewModelName)).value = json;
+        history.replaceState(state, document.title);
     }
 
     private backUpPostBackConter(): number {

From 22aa52451dde461a8423d3187743341aaa58da95 Mon Sep 17 00:00:00 2001
From: Gerard Smit <gsmit1996@gmail.com>
Date: Mon, 29 Apr 2019 19:46:05 +0200
Subject: [PATCH 4/4] Removed unused variable

---
 src/DotVVM.Framework/Resources/Scripts/DotVVM.d.ts   | 1 -
 src/DotVVM.Framework/Resources/Scripts/DotVVM.js     | 1 -
 src/DotVVM.Framework/Resources/Scripts/DotVVM.min.js | 2 +-
 src/DotVVM.Framework/Resources/Scripts/DotVVM.ts     | 2 --
 4 files changed, 1 insertion(+), 5 deletions(-)

diff --git a/src/DotVVM.Framework/Resources/Scripts/DotVVM.d.ts b/src/DotVVM.Framework/Resources/Scripts/DotVVM.d.ts
index 3b6ea21cb9..d15103c545 100644
--- a/src/DotVVM.Framework/Resources/Scripts/DotVVM.d.ts
+++ b/src/DotVVM.Framework/Resources/Scripts/DotVVM.d.ts
@@ -307,7 +307,6 @@ declare class DotVVM {
     extensions: IDotvvmExtensions;
     useHistoryApiSpaNavigation: boolean;
     isPostbackRunning: KnockoutObservable<boolean>;
-    useHistoryApiViewModel: boolean;
     private isBrowserReload;
     init(viewModelName: string, culture: string): void;
     private handlePopState;
diff --git a/src/DotVVM.Framework/Resources/Scripts/DotVVM.js b/src/DotVVM.Framework/Resources/Scripts/DotVVM.js
index b36af20b27..fbc12ab91b 100644
--- a/src/DotVVM.Framework/Resources/Scripts/DotVVM.js
+++ b/src/DotVVM.Framework/Resources/Scripts/DotVVM.js
@@ -970,7 +970,6 @@ var DotVVM = /** @class */ (function () {
         this.fileUpload = new DotvvmFileUpload();
         this.extensions = {};
         this.isPostbackRunning = ko.observable(false);
-        this.useHistoryApiViewModel = history && ((/Chrome/.test(navigator.userAgent) && /Google Inc/.test(navigator.vendor)) || /Edge/.test(navigator.userAgent));
     }
     DotVVM.prototype.createWindowSetTimeoutHandler = function (time) {
         return {
diff --git a/src/DotVVM.Framework/Resources/Scripts/DotVVM.min.js b/src/DotVVM.Framework/Resources/Scripts/DotVVM.min.js
index b8fe42bd6b..9fce65345b 100644
--- a/src/DotVVM.Framework/Resources/Scripts/DotVVM.min.js
+++ b/src/DotVVM.Framework/Resources/Scripts/DotVVM.min.js
@@ -1 +1 @@
-var __assign=this&&this.__assign||function(){return(__assign=Object.assign||function(e){for(var t,n=1,r=arguments.length;n<r;n++)for(var o in t=arguments[n])Object.prototype.hasOwnProperty.call(t,o)&&(e[o]=t[o]);return e}).apply(this,arguments)},__extends=this&&this.__extends||function(){var r=function(e,t){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n])})(e,t)};return function(e,t){function n(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(n.prototype=t.prototype,new n)}}();!function(){if("undefined"==typeof Promise||!self.fetch){var e=document.createElement("script");e.src=window.dotvvm__polyfillUrl,e.type="text/javascript",document.getElementsByTagName("head")[0].appendChild(e)}}();var DotvvmDomUtils=function(){function e(){}return e.prototype.onDocumentReady=function(e){/in/.test(document.readyState)?setTimeout("dotvvm.domUtils.onDocumentReady("+e+")",9):e()},e.prototype.attachEvent=function(e,t,n,r){void 0===r&&(r=!1),e.addEventListener?e.addEventListener(t,n,r):e.attachEvent("on"+t,n)},e}(),HistoryRecord=function(e,t){this.navigationType=e,this.url=t},DotvvmSpaHistory=function(){function e(){}return e.prototype.pushPage=function(e){history.pushState(new HistoryRecord("SPA",e),"",e)},e.prototype.replacePage=function(e){history.replaceState(new HistoryRecord("SPA",e),"",e)},e.prototype.isSpaPage=function(e){return e&&"SPA"==e.navigationType},e.prototype.getHistoryRecord=function(e){return e},e}(),DotvvmEvents=function(){this.init=new DotvvmEvent("dotvvm.events.init",!0),this.beforePostback=new DotvvmEvent("dotvvm.events.beforePostback"),this.afterPostback=new DotvvmEvent("dotvvm.events.afterPostback"),this.error=new DotvvmEvent("dotvvm.events.error"),this.spaNavigating=new DotvvmEvent("dotvvm.events.spaNavigating"),this.spaNavigated=new DotvvmEvent("dotvvm.events.spaNavigated"),this.redirect=new DotvvmEvent("dotvvm.events.redirect"),this.postbackHandlersStarted=new DotvvmEvent("dotvvm.events.postbackHandlersStarted"),this.postbackHandlersCompleted=new DotvvmEvent("dotvvm.events.postbackHandlersCompleted"),this.postbackResponseReceived=new DotvvmEvent("dotvvm.events.postbackResponseReceived"),this.postbackCommitInvoked=new DotvvmEvent("dotvvm.events.postbackCommitInvoked"),this.postbackViewModelUpdated=new DotvvmEvent("dotvvm.events.postbackViewModelUpdated"),this.postbackRejected=new DotvvmEvent("dotvvm.events.postbackRejected"),this.staticCommandMethodInvoking=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoking"),this.staticCommandMethodInvoked=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoked"),this.staticCommandMethodFailed=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoked")},DotvvmEventHandler=function(e,t){this.handler=e,this.isOneTime=t},DotvvmEvent=function(){function e(e,t){void 0===t&&(t=!1),this.name=e,this.triggerMissedEventsOnSubscribe=t,this.handlers=[],this.history=[]}return e.prototype.subscribe=function(e){if(this.handlers.push(new DotvvmEventHandler(e,!1)),this.triggerMissedEventsOnSubscribe)for(var t=0;t<this.history.length;t++)e(history[t])},e.prototype.subscribeOnce=function(e){this.handlers.push(new DotvvmEventHandler(e,!0))},e.prototype.unsubscribe=function(e){for(var t=0;t<this.handlers.length;t++)if(this.handlers[t].handler===e)return void this.handlers.splice(t,1)},e.prototype.trigger=function(e){for(var t=0;t<this.handlers.length;t++)this.handlers[t].handler(e),this.handlers[t].isOneTime&&(this.handlers.splice(t,1),t--);this.triggerMissedEventsOnSubscribe&&this.history.push(e)},e}(),DotvvmErrorEventArgs=function(e,t,n,r,o,i,a){void 0===i&&(i=void 0),void 0===a&&(a=!1),this.sender=e,this.viewModel=t,this.viewModelName=n,this.xhr=r,this.postbackClientId=o,this.serverResponseObject=i,this.isSpaNavigationError=a,this.handled=!1},DotvvmBeforePostBackEventArgs=function(e,t,n,r){this.sender=e,this.viewModel=t,this.viewModelName=n,this.postbackClientId=r,this.cancel=!1,this.clientValidationFailed=!1},DotvvmAfterPostBackEventArgs=function(){function e(e,t,n,r){void 0===n&&(n=null),this.postbackOptions=e,this.serverResponseObject=t,this.commandResult=n,this.xhr=r,this.isHandled=!1,this.wasInterrupted=!1}return Object.defineProperty(e.prototype,"postbackClientId",{get:function(){return this.postbackOptions.postbackId},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"viewModelName",{get:function(){return this.postbackOptions.viewModelName},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"viewModel",{get:function(){return this.postbackOptions.viewModel},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"sender",{get:function(){return this.postbackOptions.sender},enumerable:!0,configurable:!0}),e}(),DotvvmSpaNavigatingEventArgs=function(e,t,n){this.viewModel=e,this.viewModelName=t,this.newUrl=n,this.cancel=!1},DotvvmSpaNavigatedEventArgs=function(e,t,n,r){this.viewModel=e,this.viewModelName=t,this.serverResponseObject=n,this.xhr=r,this.isHandled=!1},DotvvmRedirectEventArgs=function(e,t,n,r){this.viewModel=e,this.viewModelName=t,this.url=n,this.replace=r,this.isHandled=!1},DotvvmFileUpload=function(){function e(){}return e.prototype.showUploadDialog=function(e){var t=this.getIframe(e);this.createUploadId(e,t),this.openUploadDialog(t)},e.prototype.getIframe=function(e){return e.parentElement.previousSibling},e.prototype.openUploadDialog=function(e){var t=e.contentWindow;t&&t.document.getElementById("upload").click()},e.prototype.createUploadId=function(e,t){t=t||this.getIframe(e);var n="DotVVM_upl"+(new Date).getTime().toString();e.parentElement.parentElement.setAttribute("data-dotvvm-upload-id",n),t.setAttribute("data-dotvvm-upload-id",n)},e.prototype.reportProgress=function(e,t,n,r){var o=document.querySelector("div[data-dotvvm-upload-id='"+e.value+"']"),i=ko.dataFor(o.firstChild);if("string"==typeof r)i.Error(r);else{i.Error("");for(var a=0;a<r.length;a++)i.Files.push(dotvvm.serialization.wrapObservable(dotvvm.serialization.deserialize(r[a])));(o.attributes["data-dotvvm-upload-completed"]||{value:null}).value&&new Function(o.attributes["data-dotvvm-upload-completed"].value).call(o)}i.Progress(n),i.IsBusy(t)},e}(),DotvvmFileUploadCollection=function(){this.Files=ko.observableArray(),this.Progress=ko.observable(0),this.Error=ko.observable(),this.IsBusy=ko.observable()},DotvvmFileUploadData=function(){this.FileId=ko.observable(),this.FileName=ko.observable(),this.FileSize=ko.observable(),this.IsFileTypeAllowed=ko.observable(),this.IsMaxSizeExceeded=ko.observable(),this.IsAllowed=ko.observable()},DotvvmFileSize=function(){this.Bytes=ko.observable(),this.FormattedText=ko.observable()},DotvvmGlobalize=function(){function e(){}return e.prototype.getGlobalize=function(){var e=window.dotvvm_Globalize;if(!e)throw new Error("Resource 'globalize' is not included (symbol 'dotvvm_Globalize' could not be found).\nIt is usually included automatically when needed, but sometime it's not possible, so you will have to include it in your page using '<dot:RequiredResource Name=\"globalize\" />'");return e},e.prototype.format=function(e){for(var o=this,i=[],t=1;t<arguments.length;t++)i[t-1]=arguments[t];return e.replace(/\{([1-9]?[0-9]+)(:[^}]+)?\}/g,function(e,t,n){var r=i[parseInt(t)];return n?o.formatString(n,r):r})},e.prototype.formatString=function(e,t){if(null==(t=ko.unwrap(t))||""===t)return"";if("string"==typeof t&&null==(t=this.parseDotvvmDate(t)))throw new Error("Could not parse "+t+" as a date");return""!==e&&null!==e||(e="G"),this.getGlobalize().format(t,e,dotvvm.culture)},e.prototype.parseDotvvmDate=function(e){var t=e.match("^([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})(\\.[0-9]{3,7})$");return t?new Date(parseInt(t[1]),parseInt(t[2])-1,parseInt(t[3]),parseInt(t[4]),parseInt(t[5]),parseInt(t[6]),7<t.length?parseInt(t[7].substring(1,4)):0):null},e.prototype.parseNumber=function(e){return this.getGlobalize().parseFloat(e,10,dotvvm.culture)},e.prototype.parseDate=function(e,t,n){return this.getGlobalize().parseDate(e,t,dotvvm.culture,n)},e.prototype.bindingDateToString=function(t,n){var r=this;if(void 0===n&&(n="G"),!t)return"";function o(){var e=ko.unwrap(t);return"string"==typeof e?r.parseDotvvmDate(e):e}function e(){var e=o();return null!=e?r.getGlobalize().format(e,n,dotvvm.culture):""}if(ko.isWriteableObservable(t)){var i="string"==typeof o()?function(e){return t(null==e?null:dotvvm.serialization.serializeDate(e,!1))}:t;return ko.pureComputed({read:function(){return e()},write:function(e){return i(r.getGlobalize().parseDate(e,n,dotvvm.culture))}})}return ko.pureComputed(function(){return e()})},e.prototype.bindingNumberToString=function(r,t){var o=this;if(void 0===t&&(t="G"),null==r)return"";function e(){var e=function(){var e=ko.unwrap(r);return"string"==typeof e?o.parseNumber(e):e}();return null!=e?o.getGlobalize().format(e,t,dotvvm.culture):""}return ko.isWriteableObservable(r)?ko.pureComputed({read:function(){return e()},write:function(e){var t=o.getGlobalize().parseFloat(e,10,dotvvm.culture),n=null==e||null!=t&&!isNaN(t);r(n?t:null)}}):ko.pureComputed(function(){return e()})},e}(),PostbackOptions=function(e,t,n,r,o){void 0===n&&(n=[]),this.postbackId=e,this.sender=t,this.args=n,this.viewModel=r,this.viewModelName=o,this.additionalPostbackData={}},ConfirmPostBackHandler=function(){function e(e){this.message=e}return e.prototype.execute=function(n,e){var r=this;return new Promise(function(e,t){confirm(r.message)?n().then(e,t):t({type:"handler",handler:r,message:"The postback was not confirmed"})})},e}(),SuppressPostBackHandler=function(){function e(e){this.suppress=e}return e.prototype.execute=function(n,e){var r=this;return new Promise(function(e,t){r.suppress?t({type:"handler",handler:r,message:"The postback was suppressed"}):n().then(e,t)})},e}(),DotvvmSerialization=function(){function e(){}return e.prototype.deserialize=function(e,t,n){if(void 0===n&&(n=!1),void 0===e||null==e)return ko.isObservable(t)?(t(e),t):e;if("string"==typeof e||"number"==typeof e||"boolean"==typeof e)return ko.isObservable(t)?(t(e),t):e;if(e instanceof Date)return e=dotvvm.serialization.serializeDate(e),ko.isObservable(t)?(t(e),t):e;if(e instanceof Array){if(ko.isObservable(t)&&"removeAll"in t&&null!=t()&&t().length===e.length)for(var r=t(),o=0;o<e.length;o++){var i=r[o]();i!==(c=this.deserialize(e[o],i,n))&&r[o](c)}else{var a=[];for(o=0;o<e.length;o++)a.push(this.wrapObservable(this.deserialize(e[o],{},n)));ko.isObservable(t)?("removeAll"in t||(ko.utils.extend(t,ko.observableArray.fn),t=t.extend({trackArrayChanges:!0})),t(a)):t=ko.observableArray(a)}return t}void 0===t&&(t={});var s=ko.unwrap(t),l=!1;for(var d in null==s&&(s={},ko.isObservable(t)?l=!0:t=s),e)if(e.hasOwnProperty(d)&&!/\$options$/.test(d)){var u=e[d];if(void 0===u)continue;if(!ko.isObservable(u)&&"function"==typeof u)continue;var v=e[d+"$options"];if(!n&&v&&v.doNotUpdate)continue;var c=ko.isObservable(u)?u:this.deserialize(u,s[d],n);if(u instanceof Date&&(s[d+"$options"]=s[d+"$options"]||{},s[d+"$options"].isDate=!0),ko.isObservable(c))if(ko.isObservable(s[d]))c()!==s[d]()&&s[d](c());else{var p=ko.unwrap(c);s[d]=Array.isArray(p)?ko.observableArray(p):ko.observable(p)}else ko.isObservable(s[d])?c!==s[d]()&&s[d](c):s[d]=ko.observable(c);if(v&&v.clientExtenders&&ko.isObservable(s[d]))for(var f=0;f<v.clientExtenders.length;f++){var h={},m=v.clientExtenders[f];h[m.name]=m.parameter,s[d].extend(h)}}for(var d in e)if(e.hasOwnProperty(d)&&/\$options$/.test(d)){for(var b in s[d]=s[d]||{},e[d])e[d].hasOwnProperty(b)&&(s[d][b]=e[d][b]);var g=d.substring(0,d.length-"$options".length);void 0===s[g]&&(s[g]=ko.observable())}return l&&t(s),t},e.prototype.wrapObservable=function(e){return ko.isObservable(e)?e:ko.observable(e)},e.prototype.serialize=function(e,t){if(void 0===t&&(t={}),(t=ko.utils.extend({},t)).pathOnly&&t.path&&0===t.path.length&&(t.pathOnly=!1),null==e)return null;if("string"==typeof e||"number"==typeof e||"boolean"==typeof e)return e;if(ko.isObservable(e))return this.serialize(e(),t);if("function"==typeof e)return null;if(e instanceof Array){if(t.pathOnly&&t.path){var n=parseInt(t.path.pop());return(r=new Array(n+1))[n]=this.serialize(e[n],t),t.path.push(n.toString()),r}for(var r=[],o=0;o<e.length;o++)r.push(this.serialize(e[o],t));return r}if(e instanceof Date)return t.restApiTarget?e:this.serializeDate(e);var i=t.path&&t.path.pop(),a={};for(var s in e)if(e.hasOwnProperty(s)){if(t.pathOnly&&s!==i)continue;var l=e[s];if(t.ignoreSpecialProperties&&"$"===s[0])continue;if(!t.serializeAll&&(/\$options$/.test(s)||"$validationErrors"===s))continue;if(void 0===l)continue;if(!ko.isObservable(l)&&"function"==typeof l)continue;var d=e[s+"$options"];if(!t.serializeAll&&d&&d.doNotPost);else if(t.oneLevel)a[s]=ko.unwrap(l);else if(!t.serializeAll&&d&&d.pathOnly&&t.pathMatcher){var u=d.pathOnly;u instanceof Array||(u=t.path||this.findObject(l,t.pathMatcher)),u&&(0===u.length?a[s]=this.serialize(l,t):a[s]=this.serialize(l,{ignoreSpecialProperties:t.ignoreSpecialProperties,serializeAll:t.serializeAll,path:u,pathOnly:!0}))}else a[s]=this.serialize(l,t);d&&d.type&&!this.validateType(a[s],d.type)&&(delete a[s],d.wasInvalid=!0)}return i&&t.path&&t.path.push(i),a},e.prototype.validateType=function(e,t){var n="?"===t[t.length-1];if(n&&(t=t.substr(0,t.length-1)),n&&(null==e||""==e))return!0;if(!n&&null==e)return!1;var r=/(u?)int(\d*)/.exec(t);if(r){if(!/^-?\d*$/.test(e))return!1;var o="u"===r[1],i=parseInt(r[2]),a=0,s=Math.pow(2,i)-1;o||(s+=a=-Math.floor(s/2));var l=parseInt(e);return a<=l&&l<=s&&l===parseFloat(e)}return"number"!==t&&"single"!==t&&"double"!==t&&"decimal"!==t||(+e===e||!isNaN(+e)&&"string"==typeof e)},e.prototype.findObject=function(e,t){if(t(e))return[];if(t(e=ko.unwrap(e)))return[];if("object"!=typeof e)return null;for(var n in e)if(e.hasOwnProperty(n)){var r=this.findObject(e[n],t);if(r)return r.push(n),r}return null},e.prototype.flatSerialize=function(e){return this.serialize(e,{ignoreSpecialProperties:!0,oneLevel:!0,serializeAll:!0})},e.prototype.getPureObject=function(e){if((e=ko.unwrap(e))instanceof Array)return e.map(this.getPureObject.bind(this));var t={};for(var n in e)"$"!=n[0]&&(t[n]=e[n]);return t},e.prototype.pad=function(e,t){for(;e.length<t;)e="0"+e;return e},e.prototype.serializeDate=function(e,t){if(void 0===t&&(t=!0),null==e)return null;if("string"==typeof e)return null==dotvvm.globalize.parseDotvvmDate(e)&&console.error(new Error("Date "+e+" is invalid.")),e;var n=new Date(e.getTime());return t?n.setMinutes(e.getMinutes()+e.getTimezoneOffset()):n=e,this.pad(n.getFullYear().toString(),4)+"-"+this.pad((n.getMonth()+1).toString(),2)+"-"+this.pad(n.getDate().toString(),2)+"T"+this.pad(n.getHours().toString(),2)+":"+this.pad(n.getMinutes().toString(),2)+":"+this.pad(n.getSeconds().toString(),2)+"."+this.pad(n.getMilliseconds().toString(),3)+"0000"},e}();document.getElementByDotvvmId=function(e){return document.querySelector("[data-dotvvm-id='"+e+"']")};var DotVVM=function(){function e(){var r,i=this;this.postBackCounter=0,this.lastStartedPostack=0,this.resourceSigns={},this.isViewModelUpdating=!0,this.spaHistory=new DotvvmSpaHistory,this.viewModelObservables={},this.isSpaReady=ko.observable(!1),this.viewModels={},this.serialization=new DotvvmSerialization,this.postbackHandlers={confirm:function(e){return new ConfirmPostBackHandler(e.message)},suppress:function(e){return new SuppressPostBackHandler(e.suppress)},timeout:function(e){return e.time?i.createWindowSetTimeoutHandler(e.time):i.windowSetTimeoutHandler},"concurrency-default":function(n){return{name:"concurrency-default",before:["setIsPostbackRunning"],execute:function(e,t){return i.commonConcurrencyHandler(e(),t,n.q||"default")}}},"concurrency-deny":function(r){return{name:"concurrency-deny",before:["setIsPostbackRunning"],execute:function(e,t){var n=r.q||"default";return 0<dotvvm.getPostbackQueue(n).noRunning?Promise.reject({type:"handler",handler:this,message:"An postback is already running"}):dotvvm.commonConcurrencyHandler(e(),t,n)}}},"concurrency-queue":function(o){return{name:"concurrency-queue",before:["setIsPostbackRunning"],execute:function(e,t){function n(){return dotvvm.commonConcurrencyHandler(e(),t,r)}var r=o.q||"default";return 0<dotvvm.getPostbackQueue(r).noRunning?new Promise(function(e){dotvvm.getPostbackQueue(r).queue.push(function(){return e(n())})}):n()}}},suppressOnUpdating:function(e){return{name:"suppressOnUpdating",before:["setIsPostbackRunning","concurrency-default","concurrency-queue","concurrency-deny"],execute:function(e,t){return dotvvm.isViewModelUpdating?Promise.reject({type:"handler",handler:this,message:"ViewModel is updating, so it's probably false onchange event"}):e()}}}},this.suppressOnDisabledElementHandler={name:"suppressOnDisabledElement",before:["setIsPostbackRunning","concurrency-default","concurrency-queue","concurrency-deny"],execute:function(e,t){return t.sender&&dotvvm.isPostBackProhibited(t.sender)?Promise.reject({type:"handler",handler:i,message:"PostBack is prohitibited on disabled element"}):e()}},this.beforePostbackEventPostbackHandler={execute:function(e,t){var n=new DotvvmBeforePostBackEventArgs(t.sender,t.viewModel,t.viewModelName,t.postbackId);return i.events.beforePostback.trigger(n),n.cancel?Promise.reject({type:"event",options:t}):e()}},this.isPostBackRunningHandler=(r=0,{name:"setIsPostbackRunning",before:["eventInvoke-postbackHandlersStarted"],execute:function(e,t){i.isPostbackRunning(!0),r++;var n=e();return n.then(function(){return i.isPostbackRunning(!!--r)},function(){return i.isPostbackRunning(!!--r)}),n}}),this.windowSetTimeoutHandler=this.createWindowSetTimeoutHandler(0),this.commonConcurrencyHandler=function(e,n,t){var r=i.getPostbackQueue(t);r.noRunning++;function o(){if(r.noRunning--,0<r.queue.length){var e=r.queue.shift();window.setTimeout(e,0)}}return e.then(function(e){var t=i.lastStartedPostack==n.postbackId?e:function(){return Promise.reject(null)};return function(){var e=t();return e.then(o,o),e}},function(e){return o(),Promise.reject(e)})},this.defaultConcurrencyPostbackHandler=this.postbackHandlers["concurrency-default"]({}),this.postbackQueues={},this.postbackHandlersStartedEventHandler={name:"eventInvoke-postbackHandlersStarted",execute:function(e,t){return dotvvm.events.postbackHandlersStarted.trigger(t),e()}},this.postbackHandlersCompletedEventHandler={name:"eventInvoke-postbackHandlersCompleted",after:["eventInvoke-postbackHandlersStarted"],execute:function(e,t){return dotvvm.events.postbackHandlersCompleted.trigger(t),e()}},this.globalPostbackHandlers=[this.suppressOnDisabledElementHandler,this.isPostBackRunningHandler,this.postbackHandlersStartedEventHandler],this.globalLaterPostbackHandlers=[this.postbackHandlersCompletedEventHandler,this.beforePostbackEventPostbackHandler],this.events=new DotvvmEvents,this.globalize=new DotvvmGlobalize,this.evaluator=new DotvvmEvaluator,this.domUtils=new DotvvmDomUtils,this.fileUpload=new DotvvmFileUpload,this.extensions={},this.isPostbackRunning=ko.observable(!1),this.useHistoryApiViewModel=history&&(/Chrome/.test(navigator.userAgent)&&/Google Inc/.test(navigator.vendor)||/Edge/.test(navigator.userAgent))}return e.prototype.createWindowSetTimeoutHandler=function(n){return{name:"timeout",before:["eventInvoke-postbackHandlersStarted","setIsPostbackRunning"],execute:function(e,t){return new Promise(function(e,t){return window.setTimeout(e,n)}).then(function(){return e()})}}},e.prototype.getPostbackQueue=function(e){return void 0===e&&(e="default"),this.postbackQueues[e]||(this.postbackQueues[e]={queue:[],noRunning:0}),this.postbackQueues[e]},e.prototype.isBrowserReload=function(){if(performance){if(performance.getEntriesByType){var e=performance.getEntriesByType("navigation");if(0<e.length)return"reload"===e[0].type}if(performance.navigation)return 1===performance.navigation.type}return!1},e.prototype.init=function(t,e){var n=this;this.addKnockoutBindingHandlers();var r,o=document.getElementById("__dot_persisted_viewmodel_"+t).value;r=o||(!this.isBrowserReload()&&history.state&&history.state.dotvvm_viewmodels&&history.state.dotvvm_viewmodels[t]?history.state.dotvvm_viewmodels[t]:document.getElementById("__dot_viewmodel_"+t).value);var i=i=JSON.parse(r);if((this.viewModels[t]=i).resources)for(var a in i.resources)this.resourceSigns[a]=!0;i.renderedResources&&i.renderedResources.forEach(function(e){return n.resourceSigns[e]=!0});var s=i.resultIdFragment,l=i.viewModel=this.serialization.deserialize(this.viewModels[t].viewModel,{},!0);this.culture=e,this.validation=new DotvvmValidation(this),this.viewModelObservables[t]=ko.observable(l),ko.applyBindings(this.viewModelObservables[t],document.documentElement),this.events.init.trigger({viewModel:l});var d=this.getSpaPlaceHolder();if(null!=d){var u=function(e){return n.handleHashChange(t,d,e)};this.useHistoryApiSpaNavigation=JSON.parse(d.getAttribute("data-dotvvm-spacontentplaceholder-usehistoryapi")),this.useHistoryApiSpaNavigation&&(u=function(e){return n.handleHashChangeWithHistory(t,d,e)});this.domUtils.attachEvent(window,"hashchange",function(){return u(!1)}),u(!0)}if(window.addEventListener("popstate",function(e){return n.handlePopState(t,e,null!=d)}),this.isViewModelUpdating=!1,s)if(d){var v=document.getElementById(s);v&&"function"==typeof v.scrollIntoView&&v.scrollIntoView(!0)}else location.hash=s;this.domUtils.attachEvent(window,"beforeunload",function(e){n.persistViewModel(t)})},e.prototype.handlePopState=function(e,t,n){if(this.spaHistory.isSpaPage(t.state)){var r=this.spaHistory.getHistoryRecord(t.state);n?this.navigateCore(e,r.url):this.performRedirect(r.url,!0),t.preventDefault()}},e.prototype.handleHashChangeWithHistory=function(e,t,n){var r=this;if(0===document.location.hash.indexOf("#!/"))this.navigateCore(e,document.location.hash.substring(2),function(e){r.spaHistory.replacePage(e)});else{var o=t.getAttribute("data-dotvvm-spacontentplaceholder-defaultroute");if(!t.hasAttribute("data-dotvvm-spacontentplaceholder-content")&&o)this.navigateCore(e,"/"+o,function(e){return r.spaHistory.replacePage(e)});else{this.isSpaReady(!0),t.style.display="";var i=location.pathname+location.search+location.hash;this.spaHistory.replacePage(i)}}},e.prototype.handleHashChange=function(e,t,n){if(0===document.location.hash.indexOf("#!/"))this.navigateCore(e,document.location.hash.substring(2));else{var r=t.getAttribute("data-dotvvm-spacontentplaceholder-defaultroute");if(r)r="#!/"+r,r=this.fixSpaUrlPrefix(r),this.performRedirect(r,n);else if(n)this.isSpaReady(!0),t.style.display="";else{var o=(r=document.location.toString()).indexOf("/","https://".length);r=0<o?r.substring(o):"/",this.navigateCore(e,r)}}},e.prototype.persistViewModel=function(e){var t,n=this.viewModels[e],r={};for(var o in n)n.hasOwnProperty(o)&&(r[o]=n[o]);r.viewModel=this.serialization.serialize(r.viewModel,{serializeAll:!0});var i=JSON.stringify(r),a=history.state?history.state:{},s=a.dotvvm_viewmodels?a.dotvvm_viewmodels:{},l=__assign({},a,{dotvvm_viewmodels:__assign({},s,(t={},t[e]=i,t))});document.getElementById("__dot_viewmodel_"+e).value=i,document.getElementById("__dot_persisted_viewmodel_"+e).value=i,history.replaceState(l,document.title)},e.prototype.backUpPostBackConter=function(){return++this.postBackCounter},e.prototype.isPostBackStillActive=function(e){return this.postBackCounter===e},e.prototype.staticCommandPostback=function(t,n,e,r,o,i){var a=this;void 0===o&&(o=function(e){}),void 0===i&&(i=function(e,t){});var s=this.serialization.serialize({args:r,command:e,$csrfToken:this.viewModels[t].viewModel.$csrfToken});dotvvm.events.staticCommandMethodInvoking.trigger(s),this.postJSON(this.viewModels[t].url,"POST",ko.toJSON(s),function(t){try{a.isViewModelUpdating=!0;var e=JSON.parse(t.responseText);dotvvm.events.staticCommandMethodInvoked.trigger(__assign({},s,{result:e,xhr:t})),o(e)}catch(e){dotvvm.events.staticCommandMethodFailed.trigger(__assign({},s,{xhr:t,error:e})),i(t,e)}finally{a.isViewModelUpdating=!1}},function(e){a.events.error.trigger(new DotvvmErrorEventArgs(n,a.viewModels[t].viewModel,t,e,null)),console.warn("StaticCommand postback failed: "+e.status+" - "+e.statusText,e),i(e),dotvvm.events.staticCommandMethodFailed.trigger(__assign({},s,{xhr:e}))},function(e){e.setRequestHeader("X-PostbackType","StaticCommand")})},e.prototype.processPassedId=function(e,t){if("string"==typeof e||null==e)return e;if("object"==typeof e&&e.expr)return this.evaluator.evaluateOnViewModel(t,e.expr);throw new Error("invalid argument")},e.prototype.getPostbackHandler=function(e){var t=this.postbackHandlers[e];if(t)return t;throw new Error("Could not find postback handler of name '"+e+"'")},e.prototype.isPostbackHandler=function(e){return e&&"function"==typeof e.execute},e.prototype.findPostbackHandlers=function(r,e){function o(e,t){return!1===t.enabled?null:i.getPostbackHandler(e)(t)}var i=this;return e.map(function(e){return"string"==typeof e?o(e,{}):i.isPostbackHandler(e)?e:e instanceof Array?(t=e[0],n=e[1],o(t,"function"==typeof n?n(r,r.$data):n)):o(e.name,e.options&&e.options(r));var t,n}).filter(function(e){return null!=e})},e.prototype.sortHandlers=function(o){for(var n=function(){for(var t={},e=0,n=o;e<n.length;e++){var r=n[e];null!=r.name&&(t[r.name]=r)}return function(e){return"string"==typeof e?t[e]:e}}(),a=o.map(function(e,t){return e["@sort_index"]=t,{handler:e,deps:(e.after||[]).map(n)}}),e=0,t=o;e<t.length;e++){var r=t[e];if(r.before)for(var i=0,s=r.before.map(n);i<s.length;i++){var l=s[i];if(l){var d=l["@sort_index"];a[d].deps.push(r)}}}for(var u=[],v=new Uint8Array(a.length),c=function(e){switch(v[e]){case 0:break;case 1:throw new Error("Cyclic PostbackHandler dependency found.");case 2:return;default:throw new Error("")}if(1!=v[e]){v[e]=1;for(var t=a[e],n=t.handler,r=0,o=t.deps;r<o.length;r++){var i=o[r];c(i["@sort_index"])}v[e]=2,u.push(n)}},p=0;p<a.length;p++)c(p);return u},e.prototype.applyPostbackHandlersCore=function(e,r,t){function n(e){return"function"==typeof e?e:function(){return Promise.resolve(new DotvvmAfterPostBackEventArgs(r,null,e))}}return null==t||0===t.length?e(r).then(n,function(e){return Promise.reject(e)}):this.sortHandlers(t).reduceRight(function(e,t,n){return function(){return t.execute(e,r)}},function(){return e(r).then(n,function(e){return Promise.reject(e)})})()},e.prototype.applyPostbackHandlers=function(e,t,n,r,o,i,a){void 0===r&&(r=[]),void 0===o&&(o=ko.contextFor(t)),void 0===i&&(i=o.$root);var s=new PostbackOptions(this.backUpPostBackConter(),t,r,i,a),l=this.applyPostbackHandlersCore(e,s,this.findPostbackHandlers(o,this.globalPostbackHandlers.concat(n||[]).concat(this.globalLaterPostbackHandlers))).then(function(e){return e()},function(e){return Promise.reject(e)});return l.catch(function(e){e&&console.log("Rejected: "+e)}),l},e.prototype.postbackCore=function(v,r,o,i,a,s){var c=this;return new Promise(function(e,t){var d=v.viewModelName,u=c.viewModels[d].viewModel;c.lastStartedPostack=v.postbackId,c.updateDynamicPathFragments(a,r);var n={viewModel:c.serialization.serialize(u,{pathMatcher:function(e){return a&&e==a.$data}}),currentPath:r,command:o,controlUniqueId:c.processPassedId(i,a),additionalData:v.additionalPostbackData,renderedResources:c.viewModels[d].renderedResources,commandArgs:s};c.postJSON(c.viewModels[d].url,"POST",ko.toJSON(n),function(l){dotvvm.events.postbackResponseReceived.trigger({}),e(function(){return new Promise(function(i,a){dotvvm.events.postbackCommitInvoked.trigger({});var e=l.getResponseHeader("Location"),s=null!=e&&0<e.length?{action:"redirect",url:e}:JSON.parse(l.responseText);!s.viewModel&&s.viewModelDiff&&(s.viewModel=c.patch(n.viewModel,s.viewModelDiff)),c.loadResourceList(s.resources,function(){var e=!1;if("successfulCommand"===s.action){try{c.isViewModelUpdating=!0;var t=c.cleanUpdatedControls(s);s.viewModel&&(ko.delaySync.pause(),c.serialization.deserialize(s.viewModel,c.viewModels[d].viewModel),ko.delaySync.resume()),e=!0,c.cleanUpdatedControls(s,t),c.restoreUpdatedControls(s,t,!0)}finally{c.isViewModelUpdating=!1}dotvvm.events.postbackViewModelUpdated.trigger({})}else if("redirect"===s.action)return c.handleRedirect(s,d),i();var n=s.resultIdFragment;if(n)if(c.getSpaPlaceHolder()||location.hash=="#"+n){var r=document.getElementById(n);r&&"function"==typeof r.scrollIntoView&&r.scrollIntoView(!0)}else location.hash=n;if(e){var o=new DotvvmAfterPostBackEventArgs(v,s,s.commandResult,l);i(o)}else a(new DotvvmErrorEventArgs(v.sender,u,d,l,v.postbackId,s))})})})},function(e){t({type:"network",options:v,args:new DotvvmErrorEventArgs(v.sender,u,d,e,v.postbackId)})})})},e.prototype.handleSpaNavigation=function(e){return"_blank"==e.getAttribute("target")||this.handleSpaNavigationCore(e.getAttribute("href"))},e.prototype.handleSpaNavigationCore=function(e){var t=this;if(e&&0===e.indexOf("/")){return e=this.removeVirtualDirectoryFromUrl(e,"root"),this.navigateCore("root",e,function(e){history.state&&history.state.url==e||t.spaHistory.pushPage(e)}),!1}return!0},e.prototype.postBack=function(e,t,n,r,o,i,a,s){var l=this;i=i||ko.contextFor(t);var d=this.findPostbackHandlers(i,this.globalPostbackHandlers.concat(a||[]).concat(this.globalLaterPostbackHandlers));0==d.filter(function(e){return e.name&&0==e.name.indexOf("concurrency-")}).length&&d.push(this.defaultConcurrencyPostbackHandler);var u=new PostbackOptions(this.backUpPostBackConter(),t,s,i.$data,e),v=this.applyPostbackHandlersCore(function(e){return l.postbackCore(e,n,r,o,i,s)},u,d).then(function(e){return e().then(function(e){return e},function(e){return Promise.reject({type:"commit",args:e})})},function(e){return Promise.reject(e)});return v.then(function(e){return e&&l.events.afterPostback.trigger(e)},function(e){var t=new DotvvmAfterPostBackEventArgs(u,"commit"==e.type&&e.args?e.args.serverResponseObject:null,u.postbackId);"handler"==e.type||"event"==e.type?(t.wasInterrupted=!0,l.events.postbackRejected.trigger({})):"network"==e.type&&l.events.error.trigger(e.args),l.events.afterPostback.trigger(t)}),v},e.prototype.loadResourceList=function(e,t){var n="";for(var r in e){if(!/^__noname_\d+$/.test(r)){if(this.resourceSigns[r])continue;this.resourceSigns[r]=!0}n+=e[r]+" "}if(""!==n.trim()){var o=document.createElement("div");o.innerHTML=n;for(var i=[],a=0;a<o.children.length;a++)i.push(o.children.item(a));this.loadResourceElements(i,0,t)}else setTimeout(t,4)},e.prototype.loadResourceElements=function(e,t,n){var r=this;if(t>=e.length)n();else{var o=e[t],i=!1;if("script"==o.tagName.toLowerCase()){var a=document.createElement("script");o.src&&(a.src=o.src,i=!0),o.type&&(a.type=o.type),o.text&&(a.text=o.text),o=a}else if("link"==o.tagName.toLowerCase()){var s=document.createElement("link");o.href&&(s.href=o.href),o.rel&&(s.rel=o.rel),o.type&&(s.type=o.type),o=s}i&&(o.onload=function(){return r.loadResourceElements(e,t+1,n)}),document.head.appendChild(o),i||this.loadResourceElements(e,t+1,n)}},e.prototype.getSpaPlaceHolder=function(){var e=document.getElementsByName("__dot_SpaContentPlaceHolder");return 1==e.length?e[0]:null},e.prototype.navigateCore=function(a,e,t){var s=this,n=this.viewModels[a].viewModel,r=this.backUpPostBackConter(),o=new DotvvmSpaNavigatingEventArgs(n,a,e);if(this.events.spaNavigating.trigger(o),!o.cancel){var i=this.viewModels[a].virtualDirectory||"",l="/___dotvvm-spa___"+this.addLeadingSlash(e),d=this.addLeadingSlash(this.concatUrl(i,l)),u=this.getSpaPlaceHolder();if(u){t&&t(this.addLeadingSlash(this.concatUrl(i,this.addLeadingSlash(e))));var v=u.attributes["data-dotvvm-spacontentplaceholder"].value;this.getJSON(d,"GET",v,function(o){if(s.isPostBackStillActive(r)){var i=JSON.parse(o.responseText);s.loadResourceList(i.resources,function(){var e=!1;if("successfulCommand"!==i.action&&i.action){if("redirect"===i.action)return void s.handleRedirect(i,a,!0)}else try{s.isViewModelUpdating=!0;var t=s.cleanUpdatedControls(i);for(var n in s.viewModels[a]={},i)i.hasOwnProperty(n)&&(s.viewModels[a][n]=i[n]);ko.delaySync.pause(),s.serialization.deserialize(i.viewModel,s.viewModels[a].viewModel),ko.delaySync.resume(),e=!0,s.viewModelObservables[a](s.viewModels[a].viewModel),s.restoreUpdatedControls(i,t,!0),s.isSpaReady(!0)}finally{s.isViewModelUpdating=!1}var r=new DotvvmSpaNavigatedEventArgs(s.viewModels[a].viewModel,a,i,o);if(s.events.spaNavigated.trigger(r),!e&&!r.isHandled)throw"Invalid response from server!"})}},function(e){if(s.isPostBackStillActive(r)){var t=new DotvvmErrorEventArgs(void 0,n,a,e,-1,void 0,!0);s.events.error.trigger(t),t.handled||alert(e.responseText)}})}else document.location.href=d}},e.prototype.handleRedirect=function(e,t,n){var r;void 0===n&&(n=!1),null!=e.replace&&(n=e.replace),r=this.getSpaPlaceHolder()&&!this.useHistoryApiSpaNavigation&&e.url.indexOf("//")<0&&e.allowSpa?("#!"===(r="#!"+this.removeVirtualDirectoryFromUrl(e.url,t))&&(r="#!/"),this.fixSpaUrlPrefix(r)):e.url;var o=new DotvvmRedirectEventArgs(dotvvm.viewModels[t],t,r,n);this.events.redirect.trigger(o),this.performRedirect(r,n,e.allowSpa&&this.useHistoryApiSpaNavigation)},e.prototype.performRedirect=function(e,t,n){if(t)location.replace(e);else if(n)this.handleSpaNavigationCore(e);else{var r=this.fakeRedirectAnchor;r||((r=document.createElement("a")).style.display="none",r.setAttribute("data-dotvvm-fake-id","dotvvm_fake_redirect_anchor_87D7145D_8EA8_47BA_9941_82B75EE88CDB"),document.body.appendChild(r),this.fakeRedirectAnchor=r),r.href=e,r.click()}},e.prototype.fixSpaUrlPrefix=function(e){var t=this.getSpaPlaceHolder().attributes["data-dotvvm-spacontentplaceholder-urlprefix"];if(!t)return e;var n=t.value;return n!==document.location.pathname&&(""===n&&(n="/"),e=n+e),e},e.prototype.removeVirtualDirectoryFromUrl=function(e,t){var n="/"+this.viewModels[t].virtualDirectory;return 0==e.indexOf(n)?this.addLeadingSlash(e.substring(n.length)):e},e.prototype.addLeadingSlash=function(e){return 0<e.length&&"/"!=e.substring(0,1)?"/"+e:e},e.prototype.concatUrl=function(e,t){return 0<e.length&&"/"==e.substring(e.length-1)&&(e=e.substring(0,e.length-1)),e+this.addLeadingSlash(t)},e.prototype.patch=function(n,e){var r=this;if(n instanceof Array&&e instanceof Array)return e.map(function(e,t){return r.patch(n[t],e)});if(n instanceof Array||e instanceof Array)return e;if("object"!=typeof n||"object"!=typeof e||!n||!e)return e;for(var t in e)null==e[t]?n[t]=null:null==n[t]?n[t]=e[t]:n[t]=this.patch(n[t],e[t]);return n},e.prototype.updateDynamicPathFragments=function(e,t){for(var n=t.length-1;0<=n;n--)0<=t[n].indexOf("[$index]")&&(t[n]=t[n].replace("[$index]","["+e.$index()+"]")),0<=t[n].indexOf("[$indexPath]")&&(t[n]=t[n].replace("[$indexPath]","["+e.$indexPath.map(function(e){return e()}).join("]/[")+"]")),e=e.$parentContext},e.prototype.postJSON=function(e,t,n,r,o,i){void 0===i&&(i=function(e){});var a=this.getXHR();a.open(t,e,!0),a.setRequestHeader("Content-Type","application/json"),a.setRequestHeader("X-DotVVM-PostBack","true"),a.setRequestHeader("X-Requested-With","XMLHttpRequest"),i(a),a.onreadystatechange=function(){a.readyState===XMLHttpRequest.DONE&&(a.status<400?r(a):o(a))},a.send(n)},e.prototype.getJSON=function(e,t,n,r,o){var i=this.getXHR();i.open(t,e,!0),i.setRequestHeader("Content-Type","application/json"),i.setRequestHeader("X-DotVVM-SpaContentPlaceHolder",n),i.onreadystatechange=function(){i.readyState===XMLHttpRequest.DONE&&(i.status<400?r(i):o(i))},i.send()},e.prototype.getXHR=function(){return XMLHttpRequest?new XMLHttpRequest:new window.ActiveXObject("Microsoft.XMLHTTP")},e.prototype.cleanUpdatedControls=function(e,t){for(var n in void 0===t&&(t={}),e.updatedControls)if(e.updatedControls.hasOwnProperty(n)){var r=document.getElementByDotvvmId(n);if(r){var o=ko.contextFor(r),i=r.nextSibling,a=r.parentNode;ko.removeNode(r),t[n]={control:r,nextSibling:i,parent:a,dataContext:o}}}return t},e.prototype.restoreUpdatedControls=function(n,r,e){var o=this;for(var t in n.updatedControls)if(n.updatedControls.hasOwnProperty(t)){var i=r[t];if(i){var a=document.createElement(r[t].parent.tagName||"div");if(a.innerHTML=n.updatedControls[t],1<a.childElementCount)throw new Error("Postback.Update control can not render more than one element");var s=a.firstElementChild;if(null==s.id)throw new Error("Postback.Update control always has to render id attribute.");s.id!==r[t].control.id&&console.log("Postback.Update control changed id from '"+r[t].control.id+"' to '"+s.id+"'"),a.removeChild(s),i.nextSibling?i.parent.insertBefore(s,i.nextSibling):i.parent.appendChild(s)}}e&&window.setTimeout(function(){try{for(var e in o.isViewModelUpdating=!0,n.updatedControls){var t=document.getElementByDotvvmId(e);t&&ko.applyBindings(r[e].dataContext,t)}}finally{o.isViewModelUpdating=!1}},0)},e.prototype.unwrapArrayExtension=function(e){return ko.unwrap(ko.unwrap(e))},e.prototype.buildRouteUrl=function(e,a){var t=(e="/"+e).replace(/(\/[^\/]*?)\{([^\}]+?)\??(:(.+?))?\}/g,function(e,t,n,r,o){if(!n)return"";var i=ko.unwrap(a[n.toLowerCase()]);return null==i?"":t+i});return 0===t.indexOf("/")?t.substring(1):t},e.prototype.buildUrlSuffix=function(e,t){var n,r;for(var o in r=-1!==e.indexOf("#")?(n=e.substring(0,e.indexOf("#")),e.substring(e.indexOf("#"))):(n=e,""),t)if(t.hasOwnProperty(o)){if(!o)continue;var i=ko.unwrap(t[o]);if(null==i)continue;n=n.concat(-1!==n.indexOf("?")?"&"+o+"="+i:"?"+o+"="+i)}return n.concat(r)},e.prototype.isPostBackProhibited=function(e){return!!(e&&e.tagName&&-1<["a","input","button"].indexOf(e.tagName.toLowerCase())&&e.getAttribute("disabled"))},e.prototype.addKnockoutBindingHandlers=function(){function v(n,r){void 0===r&&(r=null);var e=ko.pureComputed({read:function(){var e=n();return ko.unwrap(e)},write:function(e){var t=n();ko.isObservable(t)?t(e):console.warn("Attempted to write to readonly property"+(null==r?"":" "+r)+".")}});return e.wrappedProperty=n,e}ko.virtualElements.allowedBindings.dotvvm_withControlProperties=!0,ko.bindingHandlers.dotvvm_withControlProperties={init:function(e,t,n,r,o){if(!o)throw new Error;var i=t();for(var a in i)i[a]=v(function(){var e=t()[this.prop];return ko.isObservable(e)?e:dotvvm.serialization.deserialize(e)}.bind({prop:a}),"'"+a+"' at '"+t.toString()+"'");var s=o.extend({$control:i});return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}},update:function(e,t,n,r,o){}},ko.virtualElements.allowedBindings.dotvvm_introduceAlias=!0,ko.bindingHandlers.dotvvm_introduceAlias={init:function(e,t,n,r,o){if(!o)throw new Error;var i=t(),a={};for(var s in i){for(var l=s.split("."),d=a;0<l.length-1;0)d=a[l[0]]||(a[l[0]]={});d[l[l.length-1]]=v(function(){return t()[this.prop]}.bind({prop:s}),"'"+s+"' at '"+t.toString()+"'")}var u=o.extend(a);return e.innerBindingContext=u,ko.applyBindingsToDescendants(u,e),{controlsDescendantBindings:!0}}};var l="$foreachCollectionSymbol";ko.virtualElements.allowedBindings["dotvvm-SSR-foreach"]=!0,ko.bindingHandlers["dotvvm-SSR-foreach"]={init:function(e,t,n,r,o){var i;if(!o)throw new Error;var a=t(),s=o.extend(((i={})[l]=a.data,i));return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}}},ko.virtualElements.allowedBindings["dotvvm-SSR-item"]=!0,ko.bindingHandlers["dotvvm-SSR-item"]={init:function(e,t,n,r,o){if(!o)throw new Error;var i=t(),a=o[l],s=o.createChildContext(function(){return ko.unwrap((ko.unwrap(a)||[])[i])}).extend({$index:ko.pureComputed(function(){return i})});return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}}},ko.virtualElements.allowedBindings.withGridViewDataSet=!0,ko.bindingHandlers.withGridViewDataSet={init:function(e,t,n,r,o){var i;if(!o)throw new Error;var a=t(),s=o.extend(((i={$gridViewDataSet:a})[l]=dotvvm.evaluator.getDataSourceItems(a),i));return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}},update:function(e,t,n,r,o){}},ko.bindingHandlers.dotvvmEnable={update:function(e,t){var n=ko.utils.unwrapObservable(t());n&&e.disabled?(e.disabled=!1,e.removeAttribute("disabled")):n||e.disabled||(e.disabled=!0,e.setAttribute("disabled","disabled"))}},ko.bindingHandlers["dotvvm-checkbox-updateAfterPostback"]={init:function(e,t,r,n,o){dotvvm.events.afterPostback.subscribe(function(e){var t=r();if(t["dotvvm-checked-pointer"]){var n=t[t["dotvvm-checked-pointer"]];ko.isObservable(n)&&(n.valueHasMutated?n.valueHasMutated():n.notifySubscribers())}})}},ko.bindingHandlers["dotvvm-checked-pointer"]={init:function(e,t,n,r,o){}},ko.bindingHandlers["dotvvm-UpdateProgress-Visible"]={init:function(t,e,n,r,o){t.style.display="none";var i,a=t.getAttribute("data-delay"),s=!1;dotvvm.isPostbackRunning.subscribe(function(e){e?s||(s=!0,null==a?t.style.display="":i=setTimeout(function(e){t.style.display=""},a)):(s=!1,clearTimeout(i),t.style.display="none")})}},ko.bindingHandlers["dotvvm-table-columnvisible"]={init:function(e,t,n,r,o){var i="",a=!0;if(e instanceof HTMLTableCellElement){for(var s=e;!(s instanceof HTMLTableElement);)s=s.parentElement;var l=s.rows.item(0);if(!l)throw Error("Table with dotvvm-table-columnvisible binding handler must not be empty.");var d=[].slice.call(l.cells).indexOf(e);e.dotvvmChangeVisibility=function(e,t,n){if(a!=n){a=n;for(var r=0;r<e.rows.length;r++){var o=e.rows.item(r).cells[t].style;n?o.display=i:(i=o.display||"",o.display="none")}}}.bind(null,s,d)}},update:function(e,t){e.dotvvmChangeVisibility(ko.unwrap(t()))}},ko.bindingHandlers["dotvvm-textbox-text"]={init:function(r,e,t,n,o){var i=e(),a=(t.get("valueUpdate"),new DotvvmValidationElementMetadata);a.element=r,a.dataType=(r.attributes["data-dotvvm-value-type"]||{value:""}).value,a.format=(r.attributes["data-dotvvm-format"]||{value:""}).value;var s=null;s=ko.isObservable(i)?(i.dotvvmMetadata?(i.dotvvmMetadata.elementsMetadata||(i.dotvvmMetadata.elementsMetadata=[]),i.dotvvmMetadata.elementsMetadata.push(a)):(i.dotvvmMetadata=new DotvvmValidationObservableMetadata,i.dotvvmMetadata.elementsMetadata=[a]),i.dotvvmMetadata.elementsMetadata):new DotvvmValidationObservableMetadata,setTimeout(function(r,o){ko.utils.domNodeDisposal.addDisposeCallback(o,function(){for(var e=0,t=r;e<t.length;e++){var n=t[e];if(n.element===o){r.splice(r.indexOf(n),1);break}}})},0,s,r),dotvvm.domUtils.attachEvent(r,"change",function(){if(ko.isObservable(i)){var e,t;if("datetime"===a.dataType){var n=i();null!=n&&(n=dotvvm.globalize.parseDotvvmDate(n)),t=null==(e=dotvvm.globalize.parseDate(r.value,a.format,n))?null:dotvvm.serialization.serializeDate(e,!1)}else t=null===(e=dotvvm.globalize.parseNumber(r.value))||isNaN(e)?null:e;null==t&&null!==r.value&&""!==r.value?(r.attributes["data-invalid-value"]=r.value,r.attributes["data-dotvvm-value-type-valid"]=!1,a.elementValidationState=!1):(r.attributes["data-invalid-value"]=null,r.attributes["data-dotvvm-value-type-valid"]=!0,a.elementValidationState=!0),i()===t?i.valueHasMutated?i.valueHasMutated():i.notifySubscribers():i(t)}})},update:function(e,t,n,r,o){var i=t(),a=(e.attributes["data-dotvvm-format"]||{value:""}).value,s=ko.unwrap(i);if(a){var l=dotvvm.globalize.formatString(a,s),d=e.attributes["data-invalid-value"];if(null==d){if(e.value=l||"",i.dotvvmMetadata&&i.dotvvmMetadata.elementsMetadata)for(var u=0,v=i.dotvvmMetadata.elementsMetadata;u<v.length;u++){var c=v[u];c.element===e&&(e.attributes["data-dotvvm-value-type-valid"]=!0,c.elementValidationState=!0)}}else e.attributes["data-invalid-value"]=null,e.value=d}else e.value=s}},ko.bindingHandlers["dotvvm-textbox-select-all-on-focus"]={init:function(e,t,n,r,o){e.$selectAllOnFocusHandler=function(){e.select()}},update:function(e,t,n,r,o){!0===ko.unwrap(t())?e.addEventListener("focus",e.$selectAllOnFocusHandler):e.removeEventListener("focus",e.$selectAllOnFocusHandler)}},ko.bindingHandlers["dotvvm-CheckState"]={init:function(e,t,n,r,o){ko.getBindingHandler("checked").init(e,t,n,r,o)},update:function(e,t,n){var r=ko.unwrap(t());e.indeterminate=null==r}}},e}(),DotvvmValidationContext=function(e,t,n){this.valueToValidate=e,this.parentViewModel=t,this.parameters=n},DotvvmValidationObservableMetadata=function(){},DotvvmValidationElementMetadata=function(){this.elementValidationState=!0},DotvvmValidatorBase=function(){function e(){}return e.prototype.isValid=function(e,t){return!1},e.prototype.isEmpty=function(e){return null==e||"string"==typeof e&&""===e.trim()},e.prototype.getValidationMetadata=function(e){return e.dotvvmMetadata},e}(),DotvvmRequiredValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate;return!this.isEmpty(t)},t}(DotvvmValidatorBase),DotvvmRegularExpressionValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate,n=e.parameters[0];return this.isEmpty(t)||new RegExp(n).test(t)},t}(DotvvmValidatorBase),DotvvmIntRangeValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate,n=e.parameters[0],r=e.parameters[1];return t%1==0&&n<=t&&t<=r},t}(DotvvmValidatorBase),DotvvmEnforceClientFormatValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e,t){var n=!0;e.parameters[0]||null!=e.valueToValidate||(n=!1),e.parameters[1]||0!==e.valueToValidate.length||(n=!1),!e.parameters[2]&&this.isEmpty(e.valueToValidate)&&(n=!1);var r=this.getValidationMetadata(t);if(r&&r.elementsMetadata)for(var o=0,i=r.elementsMetadata;o<i.length;o++){i[o].elementValidationState||(n=!1)}return n},t}(DotvvmValidatorBase),DotvvmRangeValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e,t){var n=e.valueToValidate,r=e.parameters[0],o=e.parameters[1];return r<=n&&n<=o},t}(DotvvmValidatorBase),DotvvmNotNullValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){return null!==e.valueToValidate&&void 0!==e.valueToValidate},t}(DotvvmValidatorBase),DotvvmEmailAddressValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate;if(null==t)return!0;if("string"!=typeof t)return!1;for(var n=!1,r=0;r<t.length;r++)if("@"==t[r]){if(n||0==r||r==t.length-1)return!1;n=!0}return n},t}(DotvvmValidatorBase),ValidationError=function(){function e(e,t){this.validatedObservable=e,this.errorMessage=t}return e.getOrCreate=function(e){if(e.wrappedProperty){var t=e.wrappedProperty();ko.isObservable(t)&&(e=t)}return e.validationErrors||(e.validationErrors=ko.observableArray()),e.validationErrors},e.isValid=function(e){return!e.validationErrors||0===e.validationErrors().length},e.prototype.clear=function(e){this.validatedObservable.validationErrors.remove(this),e.errors.remove(this)},e}(),DotvvmValidation=function(){function e(i){var d=this;this.rules={required:new DotvvmRequiredValidator,regularExpression:new DotvvmRegularExpressionValidator,intrange:new DotvvmIntRangeValidator,range:new DotvvmRangeValidator,emailAddress:new DotvvmEmailAddressValidator,notnull:new DotvvmNotNullValidator,enforceClientFormat:new DotvvmEnforceClientFormatValidator},this.errors=ko.observableArray([]),this.events={validationErrorsChanged:new DotvvmEvent("dotvvm.validation.events.validationErrorsChanged")},this.elementUpdateFunctions={hideWhenValid:function(e,t,n){0<t.length?e.style.display="":e.style.display="none"},invalidCssClass:function(e,t,n){if(0<t.length)e.className+=" "+n;else{var r=n.split(" ");e.className=e.className.split(" ").filter(function(e){return r.indexOf(e)<0}).join(" ")}},setToolTipText:function(e,t,n){0<t.length?e.title=t.join(", "):e.title=""},showErrorMessageText:function(e,t,n){e[e.innerText?"innerText":"textContent"]=t.join(", ")}};function t(o){return{execute:function(e,t){if(o){t.additionalPostbackData.validationTargetPath=o;var n=ko.contextFor(t.sender),r=i.evaluator.evaluateOnViewModel(n,o);if(d.errors([]),d.clearValidationErrors(i.viewModelObservables[t.viewModelName||"root"]),d.validateViewModel(r),0<d.errors().length)return console.log("Validation failed: postback aborted; errors: ",d.errors()),Promise.reject({type:"handler",handler:d,message:"Validation failed"});d.events.validationErrorsChanged.trigger({viewModel:t.viewModel})}return e()}}}i.postbackHandlers.validate=function(e){return t(e.path)},i.postbackHandlers["validate-root"]=function(){return t("dotvvm.viewModelObservables['root']")},i.postbackHandlers["validate-this"]=function(){return t("$data")},i.events.afterPostback.subscribe(function(e){!e.wasInterrupted&&e.serverResponseObject&&("successfulCommand"===e.serverResponseObject.action?(d.mergeValidationRules(e),e.isHandled=!0):"validationErrors"===e.serverResponseObject.action&&(d.showValidationErrorsFromServer(e),e.isHandled=!0)),d.events.validationErrorsChanged.trigger(e)}),i.events.spaNavigating.subscribe(function(e){d.clearValidationErrors(i.viewModelObservables[e.viewModelName])}),ko.bindingHandlers.dotvvmValidation={init:function(t,e,n,r,o){var i=e();if(ko.isObservable(i)){function a(e,t){for(var n in s)s.hasOwnProperty(n)&&d.elementUpdateFunctions[n](e,t.map(function(e){return e.errorMessage}),s[n])}var s=n.get("dotvvmValidationOptions"),l=ValidationError.getOrCreate(i);l.subscribe(function(e){return a(t,e)}),a(t,l())}}}}return e.prototype.validateViewModel=function(e){if(ko.isObservable(e)&&(e=ko.unwrap(e)),e){var t=ko.unwrap(e.$type),n=(dotvvm.viewModels.root.validationRules||{})[t]||{};for(var r in e)if(e.hasOwnProperty(r)&&0!==r.indexOf("$")){var o=e[r];if(o&&ko.isObservable(o)){var i=e[r]();n.hasOwnProperty(r)&&this.validateProperty(e,o,i,n[r]);var a=e[r+"$options"];if(a&&a.type&&ValidationError.isValid(o)&&!dotvvm.serialization.validateType(i,a.type)){var s=new ValidationError(o,"The value of property "+r+" ("+i+") is invalid value for type "+a.type+".");this.addValidationError(o,s)}if(i)if(Array.isArray(i))for(var l=0,d=i;l<d.length;l++){var u=d[l];this.validateViewModel(u)}else i&&i instanceof Object&&this.validateViewModel(i)}}}},e.prototype.validateProperty=function(e,t,n,r){for(var o=0,i=r;o<i.length;o++){var a=i[o],s=this.rules[a.ruleName],l=new DotvvmValidationContext(n,e,a.parameters);if(!s.isValid(l,t)){ValidationError.getOrCreate(t);var d=new ValidationError(t,a.errorMessage);this.addValidationError(t,d)}}},e.prototype.mergeValidationRules=function(e){if(e.serverResponseObject.validationRules){var t=dotvvm.viewModels[e.viewModelName].validationRules;for(var n in void 0===t&&(dotvvm.viewModels[e.viewModelName].validationRules={},t=dotvvm.viewModels[e.viewModelName].validationRules),e.serverResponseObject.validationRules)e.serverResponseObject.validationRules.hasOwnProperty(n)&&(t[n]=e.serverResponseObject.validationRules[n])}},e.prototype.clearValidationErrors=function(e){if(e&&ko.isObservable(e)){if(e.validationErrors)for(var t=0,n=e.validationErrors();t<n.length;t++){n[t].clear(this)}var r=e();if(r){if(Array.isArray(r))for(var o=0,i=r;o<i.length;o++){var a=i[o];this.clearValidationErrors(a)}for(var s in r)if(r.hasOwnProperty(s)&&0!==s.indexOf("$")){var l=r[s];this.clearValidationErrors(l)}}}},e.prototype.getValidationErrors=function(e,t,n,r){if(void 0===r&&(r=!0),!e)return[];var o=[];if(n&&(o=o.concat(ValidationError.getOrCreate(e)())),r){var i=ko.unwrap(e);if(Array.isArray(i))for(var a=0,s=i;a<s.length;a++){var l=s[a];o=o.concat(this.getValidationErrors(l,t,!0,t))}else for(var d in i)if(i.hasOwnProperty(d)&&0!==d.indexOf("$")){var u=i[d];u&&ko.isObservable(u)&&(o=o.concat(this.getValidationErrors(u,t,!0,t)))}}return o},e.prototype.showValidationErrorsFromServer=function(e){var t=ko.contextFor(e.sender),n=dotvvm.evaluator.evaluateOnViewModel(t,e.postbackOptions.additionalPostbackData.validationTargetPath);if(n){this.clearValidationErrors(dotvvm.viewModelObservables[e.viewModelName]);for(var r=e.serverResponseObject.modelState,o=0;o<r.length;o++){var i,a=r[o].propertyPath;i=a?(ko.isObservable(n)&&(n=ko.unwrap(n)),dotvvm.evaluator.evaluateOnViewModel(n,a)):n;var s=new ValidationError(i,r[o].errorMessage);this.addValidationError(i,s)}}},e.prototype.addValidationError=function(e,t){ValidationError.getOrCreate(e).indexOf(t)<0&&(e.validationErrors.push(t),this.errors.push(t))},e}(),DotvvmEvaluator=function(){function DotvvmEvaluator(){}return DotvvmEvaluator.prototype.evaluateOnViewModel=function(context,expression){var result;return result=context&&context.$data?eval("(function ($context) { with($context) { with ($data) { return "+expression+"; } } })")(context):eval("(function ($context) { var $data=$context; with($context) { return "+expression+"; } })")(context),result&&result.$data&&(result=result.$data),result},DotvvmEvaluator.prototype.evaluateOnContext=function(e,t){var n=!1;for(var r in e)if(0===t.indexOf(r)){n=!0;break}return n||(t="$data."+t),this.evaluateOnViewModel(e,t)},DotvvmEvaluator.prototype.getDataSourceItems=function(e){var t=ko.unwrap(e);return void 0===t||null==t?[]:ko.unwrap(t.Items||t)},DotvvmEvaluator.prototype.tryEval=function(e){try{return e()}catch(e){return null}},DotvvmEvaluator.prototype.isObservableArray=function(e){return ko.isComputed(e)?Array.isArray(e.peek()):!!ko.isObservable(e)&&"push"in e},DotvvmEvaluator.prototype.wrapObservable=function(n,e){var r=this,t=ko.pureComputed({read:function(){return ko.unwrap(r.getExpressionResult(n))},write:function(e){return r.updateObservable(n,e)}});return e&&(t.push=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"push",e)},t.pop=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"pop",e)},t.unshift=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"unshift",e)},t.shift=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"shift",e)},t.reverse=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"reverse",e)},t.sort=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"sort",e)},t.splice=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"splice",e)},t.slice=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"slice",e)},t.replace=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"replace",e)},t.indexOf=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"indexOf",e)},t.remove=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"remove",e)},t.removeAll=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"removeAll",e)},t=t.extend({trackArrayChanges:!0})),t.extend({notify:"always"})},DotvvmEvaluator.prototype.updateObservable=function(e,t){var n=this.getExpressionResult(e);ko.isWriteableObservable(n)?n(t):console.error("Cannot write a value to ko.computed because the expression '"+e+"' does not return a writable observable.")},DotvvmEvaluator.prototype.updateObservableArray=function(e,t,n){var r=this.getExpressionResult(e);this.isObservableArray(r)?r[t].apply(r,n):console.error("Cannot execute '"+t+"' function on ko.computed because the expression '"+e+"' does not return an observable array.")},DotvvmEvaluator.prototype.getExpressionResult=function(e){var t=e();return ko.isComputed(t)&&"wrappedProperty"in t&&(t=t.wrappedProperty()),t},DotvvmEvaluator}(),DotvvmEventHub=function(){function e(){this.map={}}return e.prototype.notify=function(e){e in this.map?this.map[e].notifySubscribers():this.map[e]=ko.observable(0)},e.prototype.get=function(e){return this.map[e]||(this.map[e]=ko.observable(0))},e}();function basicAuthenticatedFetch(t,n){var r=sessionStorage.getItem("someAuth");return null!=r&&(null==n&&(n={}),null==n.headers&&(n.headers={}),null==n.headers.Authorization&&(n.headers.Authorization="Basic "+btoa(r))),null==n&&(n={}),n.cache||(n.cache="no-cache"),window.fetch(t,n).then(function(e){return 401===e.status&&null==r?(null==sessionStorage.getItem("someAuth")&&function(){var e=prompt("You credentials for "+(t.url||t))||"";sessionStorage.setItem("someAuth",e)}(),basicAuthenticatedFetch(t,n)):e})}!function(){var a={};DotVVM.prototype.invokeApiFn=function(n,e,o,t){void 0===e&&(e=[]),void 0===o&&(o=[]),void 0===t&&(t=n.toString());var i=a[t]||(a[t]=ko.observable(null)),r=ko.pureComputed(function(){return i()});return r.refreshValue=function(e){var t=i.promise;if(i.isLoading||(i.isLoading=!0,t=function(){try{return{type:"result",result:window.Promise.resolve(ko.ignoreDependencies(n)).then(function(e){e&&(i(ko.unwrap(dotvvm.serialization.deserialize(e,i))),i.notifySubscribers());for(var t=0,n=o;t<n.length;t++){var r=n[t];dotvvm.eventHub.notify(r)}return e},console.warn)}}catch(e){return console.warn(e),{type:"error",error:e}}}(),i.promise=t),"error"!=t.type)return t.result.then(function(e){return i.isLoading=!1},function(e){return i.isLoading=!1}),t.result;if(i.isLoading=!1,e)throw t.error},i.peek()||r.refreshValue(),ko.computed(function(){return e.map(function(e){return"string"==typeof e?dotvvm.eventHub.get(e)():e()})}).subscribe(function(e){return r.refreshValue()}),r},DotVVM.prototype.apiRefreshOn=function(e,t){return"function"!=typeof e.refreshValue&&console.error("The object is not refreshable"),t.subscribe(function(){"function"!=typeof e.refreshValue&&console.error("The object is not refreshable"),e.refreshValue&&e.refreshValue()}),e},DotVVM.prototype.api={},DotVVM.prototype.eventHub=new DotvvmEventHub}();
\ No newline at end of file
+var __assign=this&&this.__assign||function(){return(__assign=Object.assign||function(e){for(var t,n=1,r=arguments.length;n<r;n++)for(var o in t=arguments[n])Object.prototype.hasOwnProperty.call(t,o)&&(e[o]=t[o]);return e}).apply(this,arguments)},__extends=this&&this.__extends||function(){var r=function(e,t){return(r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var n in t)t.hasOwnProperty(n)&&(e[n]=t[n])})(e,t)};return function(e,t){function n(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(n.prototype=t.prototype,new n)}}();!function(){if("undefined"==typeof Promise||!self.fetch){var e=document.createElement("script");e.src=window.dotvvm__polyfillUrl,e.type="text/javascript",document.getElementsByTagName("head")[0].appendChild(e)}}();var DotvvmDomUtils=function(){function e(){}return e.prototype.onDocumentReady=function(e){/in/.test(document.readyState)?setTimeout("dotvvm.domUtils.onDocumentReady("+e+")",9):e()},e.prototype.attachEvent=function(e,t,n,r){void 0===r&&(r=!1),e.addEventListener?e.addEventListener(t,n,r):e.attachEvent("on"+t,n)},e}(),HistoryRecord=function(e,t){this.navigationType=e,this.url=t},DotvvmSpaHistory=function(){function e(){}return e.prototype.pushPage=function(e){history.pushState(new HistoryRecord("SPA",e),"",e)},e.prototype.replacePage=function(e){history.replaceState(new HistoryRecord("SPA",e),"",e)},e.prototype.isSpaPage=function(e){return e&&"SPA"==e.navigationType},e.prototype.getHistoryRecord=function(e){return e},e}(),DotvvmEvents=function(){this.init=new DotvvmEvent("dotvvm.events.init",!0),this.beforePostback=new DotvvmEvent("dotvvm.events.beforePostback"),this.afterPostback=new DotvvmEvent("dotvvm.events.afterPostback"),this.error=new DotvvmEvent("dotvvm.events.error"),this.spaNavigating=new DotvvmEvent("dotvvm.events.spaNavigating"),this.spaNavigated=new DotvvmEvent("dotvvm.events.spaNavigated"),this.redirect=new DotvvmEvent("dotvvm.events.redirect"),this.postbackHandlersStarted=new DotvvmEvent("dotvvm.events.postbackHandlersStarted"),this.postbackHandlersCompleted=new DotvvmEvent("dotvvm.events.postbackHandlersCompleted"),this.postbackResponseReceived=new DotvvmEvent("dotvvm.events.postbackResponseReceived"),this.postbackCommitInvoked=new DotvvmEvent("dotvvm.events.postbackCommitInvoked"),this.postbackViewModelUpdated=new DotvvmEvent("dotvvm.events.postbackViewModelUpdated"),this.postbackRejected=new DotvvmEvent("dotvvm.events.postbackRejected"),this.staticCommandMethodInvoking=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoking"),this.staticCommandMethodInvoked=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoked"),this.staticCommandMethodFailed=new DotvvmEvent("dotvvm.events.staticCommandMethodInvoked")},DotvvmEventHandler=function(e,t){this.handler=e,this.isOneTime=t},DotvvmEvent=function(){function e(e,t){void 0===t&&(t=!1),this.name=e,this.triggerMissedEventsOnSubscribe=t,this.handlers=[],this.history=[]}return e.prototype.subscribe=function(e){if(this.handlers.push(new DotvvmEventHandler(e,!1)),this.triggerMissedEventsOnSubscribe)for(var t=0;t<this.history.length;t++)e(history[t])},e.prototype.subscribeOnce=function(e){this.handlers.push(new DotvvmEventHandler(e,!0))},e.prototype.unsubscribe=function(e){for(var t=0;t<this.handlers.length;t++)if(this.handlers[t].handler===e)return void this.handlers.splice(t,1)},e.prototype.trigger=function(e){for(var t=0;t<this.handlers.length;t++)this.handlers[t].handler(e),this.handlers[t].isOneTime&&(this.handlers.splice(t,1),t--);this.triggerMissedEventsOnSubscribe&&this.history.push(e)},e}(),DotvvmErrorEventArgs=function(e,t,n,r,o,i,a){void 0===i&&(i=void 0),void 0===a&&(a=!1),this.sender=e,this.viewModel=t,this.viewModelName=n,this.xhr=r,this.postbackClientId=o,this.serverResponseObject=i,this.isSpaNavigationError=a,this.handled=!1},DotvvmBeforePostBackEventArgs=function(e,t,n,r){this.sender=e,this.viewModel=t,this.viewModelName=n,this.postbackClientId=r,this.cancel=!1,this.clientValidationFailed=!1},DotvvmAfterPostBackEventArgs=function(){function e(e,t,n,r){void 0===n&&(n=null),this.postbackOptions=e,this.serverResponseObject=t,this.commandResult=n,this.xhr=r,this.isHandled=!1,this.wasInterrupted=!1}return Object.defineProperty(e.prototype,"postbackClientId",{get:function(){return this.postbackOptions.postbackId},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"viewModelName",{get:function(){return this.postbackOptions.viewModelName},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"viewModel",{get:function(){return this.postbackOptions.viewModel},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"sender",{get:function(){return this.postbackOptions.sender},enumerable:!0,configurable:!0}),e}(),DotvvmSpaNavigatingEventArgs=function(e,t,n){this.viewModel=e,this.viewModelName=t,this.newUrl=n,this.cancel=!1},DotvvmSpaNavigatedEventArgs=function(e,t,n,r){this.viewModel=e,this.viewModelName=t,this.serverResponseObject=n,this.xhr=r,this.isHandled=!1},DotvvmRedirectEventArgs=function(e,t,n,r){this.viewModel=e,this.viewModelName=t,this.url=n,this.replace=r,this.isHandled=!1},DotvvmFileUpload=function(){function e(){}return e.prototype.showUploadDialog=function(e){var t=this.getIframe(e);this.createUploadId(e,t),this.openUploadDialog(t)},e.prototype.getIframe=function(e){return e.parentElement.previousSibling},e.prototype.openUploadDialog=function(e){var t=e.contentWindow;t&&t.document.getElementById("upload").click()},e.prototype.createUploadId=function(e,t){t=t||this.getIframe(e);var n="DotVVM_upl"+(new Date).getTime().toString();e.parentElement.parentElement.setAttribute("data-dotvvm-upload-id",n),t.setAttribute("data-dotvvm-upload-id",n)},e.prototype.reportProgress=function(e,t,n,r){var o=document.querySelector("div[data-dotvvm-upload-id='"+e.value+"']"),i=ko.dataFor(o.firstChild);if("string"==typeof r)i.Error(r);else{i.Error("");for(var a=0;a<r.length;a++)i.Files.push(dotvvm.serialization.wrapObservable(dotvvm.serialization.deserialize(r[a])));(o.attributes["data-dotvvm-upload-completed"]||{value:null}).value&&new Function(o.attributes["data-dotvvm-upload-completed"].value).call(o)}i.Progress(n),i.IsBusy(t)},e}(),DotvvmFileUploadCollection=function(){this.Files=ko.observableArray(),this.Progress=ko.observable(0),this.Error=ko.observable(),this.IsBusy=ko.observable()},DotvvmFileUploadData=function(){this.FileId=ko.observable(),this.FileName=ko.observable(),this.FileSize=ko.observable(),this.IsFileTypeAllowed=ko.observable(),this.IsMaxSizeExceeded=ko.observable(),this.IsAllowed=ko.observable()},DotvvmFileSize=function(){this.Bytes=ko.observable(),this.FormattedText=ko.observable()},DotvvmGlobalize=function(){function e(){}return e.prototype.getGlobalize=function(){var e=window.dotvvm_Globalize;if(!e)throw new Error("Resource 'globalize' is not included (symbol 'dotvvm_Globalize' could not be found).\nIt is usually included automatically when needed, but sometime it's not possible, so you will have to include it in your page using '<dot:RequiredResource Name=\"globalize\" />'");return e},e.prototype.format=function(e){for(var o=this,i=[],t=1;t<arguments.length;t++)i[t-1]=arguments[t];return e.replace(/\{([1-9]?[0-9]+)(:[^}]+)?\}/g,function(e,t,n){var r=i[parseInt(t)];return n?o.formatString(n,r):r})},e.prototype.formatString=function(e,t){if(null==(t=ko.unwrap(t))||""===t)return"";if("string"==typeof t&&null==(t=this.parseDotvvmDate(t)))throw new Error("Could not parse "+t+" as a date");return""!==e&&null!==e||(e="G"),this.getGlobalize().format(t,e,dotvvm.culture)},e.prototype.parseDotvvmDate=function(e){var t=e.match("^([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2})(\\.[0-9]{3,7})$");return t?new Date(parseInt(t[1]),parseInt(t[2])-1,parseInt(t[3]),parseInt(t[4]),parseInt(t[5]),parseInt(t[6]),7<t.length?parseInt(t[7].substring(1,4)):0):null},e.prototype.parseNumber=function(e){return this.getGlobalize().parseFloat(e,10,dotvvm.culture)},e.prototype.parseDate=function(e,t,n){return this.getGlobalize().parseDate(e,t,dotvvm.culture,n)},e.prototype.bindingDateToString=function(t,n){var r=this;if(void 0===n&&(n="G"),!t)return"";function o(){var e=ko.unwrap(t);return"string"==typeof e?r.parseDotvvmDate(e):e}function e(){var e=o();return null!=e?r.getGlobalize().format(e,n,dotvvm.culture):""}if(ko.isWriteableObservable(t)){var i="string"==typeof o()?function(e){return t(null==e?null:dotvvm.serialization.serializeDate(e,!1))}:t;return ko.pureComputed({read:function(){return e()},write:function(e){return i(r.getGlobalize().parseDate(e,n,dotvvm.culture))}})}return ko.pureComputed(function(){return e()})},e.prototype.bindingNumberToString=function(r,t){var o=this;if(void 0===t&&(t="G"),null==r)return"";function e(){var e=function(){var e=ko.unwrap(r);return"string"==typeof e?o.parseNumber(e):e}();return null!=e?o.getGlobalize().format(e,t,dotvvm.culture):""}return ko.isWriteableObservable(r)?ko.pureComputed({read:function(){return e()},write:function(e){var t=o.getGlobalize().parseFloat(e,10,dotvvm.culture),n=null==e||null!=t&&!isNaN(t);r(n?t:null)}}):ko.pureComputed(function(){return e()})},e}(),PostbackOptions=function(e,t,n,r,o){void 0===n&&(n=[]),this.postbackId=e,this.sender=t,this.args=n,this.viewModel=r,this.viewModelName=o,this.additionalPostbackData={}},ConfirmPostBackHandler=function(){function e(e){this.message=e}return e.prototype.execute=function(n,e){var r=this;return new Promise(function(e,t){confirm(r.message)?n().then(e,t):t({type:"handler",handler:r,message:"The postback was not confirmed"})})},e}(),SuppressPostBackHandler=function(){function e(e){this.suppress=e}return e.prototype.execute=function(n,e){var r=this;return new Promise(function(e,t){r.suppress?t({type:"handler",handler:r,message:"The postback was suppressed"}):n().then(e,t)})},e}(),DotvvmSerialization=function(){function e(){}return e.prototype.deserialize=function(e,t,n){if(void 0===n&&(n=!1),void 0===e||null==e)return ko.isObservable(t)?(t(e),t):e;if("string"==typeof e||"number"==typeof e||"boolean"==typeof e)return ko.isObservable(t)?(t(e),t):e;if(e instanceof Date)return e=dotvvm.serialization.serializeDate(e),ko.isObservable(t)?(t(e),t):e;if(e instanceof Array){if(ko.isObservable(t)&&"removeAll"in t&&null!=t()&&t().length===e.length)for(var r=t(),o=0;o<e.length;o++){var i=r[o]();i!==(c=this.deserialize(e[o],i,n))&&r[o](c)}else{var a=[];for(o=0;o<e.length;o++)a.push(this.wrapObservable(this.deserialize(e[o],{},n)));ko.isObservable(t)?("removeAll"in t||(ko.utils.extend(t,ko.observableArray.fn),t=t.extend({trackArrayChanges:!0})),t(a)):t=ko.observableArray(a)}return t}void 0===t&&(t={});var s=ko.unwrap(t),l=!1;for(var d in null==s&&(s={},ko.isObservable(t)?l=!0:t=s),e)if(e.hasOwnProperty(d)&&!/\$options$/.test(d)){var u=e[d];if(void 0===u)continue;if(!ko.isObservable(u)&&"function"==typeof u)continue;var v=e[d+"$options"];if(!n&&v&&v.doNotUpdate)continue;var c=ko.isObservable(u)?u:this.deserialize(u,s[d],n);if(u instanceof Date&&(s[d+"$options"]=s[d+"$options"]||{},s[d+"$options"].isDate=!0),ko.isObservable(c))if(ko.isObservable(s[d]))c()!==s[d]()&&s[d](c());else{var p=ko.unwrap(c);s[d]=Array.isArray(p)?ko.observableArray(p):ko.observable(p)}else ko.isObservable(s[d])?c!==s[d]()&&s[d](c):s[d]=ko.observable(c);if(v&&v.clientExtenders&&ko.isObservable(s[d]))for(var f=0;f<v.clientExtenders.length;f++){var h={},m=v.clientExtenders[f];h[m.name]=m.parameter,s[d].extend(h)}}for(var d in e)if(e.hasOwnProperty(d)&&/\$options$/.test(d)){for(var b in s[d]=s[d]||{},e[d])e[d].hasOwnProperty(b)&&(s[d][b]=e[d][b]);var g=d.substring(0,d.length-"$options".length);void 0===s[g]&&(s[g]=ko.observable())}return l&&t(s),t},e.prototype.wrapObservable=function(e){return ko.isObservable(e)?e:ko.observable(e)},e.prototype.serialize=function(e,t){if(void 0===t&&(t={}),(t=ko.utils.extend({},t)).pathOnly&&t.path&&0===t.path.length&&(t.pathOnly=!1),null==e)return null;if("string"==typeof e||"number"==typeof e||"boolean"==typeof e)return e;if(ko.isObservable(e))return this.serialize(e(),t);if("function"==typeof e)return null;if(e instanceof Array){if(t.pathOnly&&t.path){var n=parseInt(t.path.pop());return(r=new Array(n+1))[n]=this.serialize(e[n],t),t.path.push(n.toString()),r}for(var r=[],o=0;o<e.length;o++)r.push(this.serialize(e[o],t));return r}if(e instanceof Date)return t.restApiTarget?e:this.serializeDate(e);var i=t.path&&t.path.pop(),a={};for(var s in e)if(e.hasOwnProperty(s)){if(t.pathOnly&&s!==i)continue;var l=e[s];if(t.ignoreSpecialProperties&&"$"===s[0])continue;if(!t.serializeAll&&(/\$options$/.test(s)||"$validationErrors"===s))continue;if(void 0===l)continue;if(!ko.isObservable(l)&&"function"==typeof l)continue;var d=e[s+"$options"];if(!t.serializeAll&&d&&d.doNotPost);else if(t.oneLevel)a[s]=ko.unwrap(l);else if(!t.serializeAll&&d&&d.pathOnly&&t.pathMatcher){var u=d.pathOnly;u instanceof Array||(u=t.path||this.findObject(l,t.pathMatcher)),u&&(0===u.length?a[s]=this.serialize(l,t):a[s]=this.serialize(l,{ignoreSpecialProperties:t.ignoreSpecialProperties,serializeAll:t.serializeAll,path:u,pathOnly:!0}))}else a[s]=this.serialize(l,t);d&&d.type&&!this.validateType(a[s],d.type)&&(delete a[s],d.wasInvalid=!0)}return i&&t.path&&t.path.push(i),a},e.prototype.validateType=function(e,t){var n="?"===t[t.length-1];if(n&&(t=t.substr(0,t.length-1)),n&&(null==e||""==e))return!0;if(!n&&null==e)return!1;var r=/(u?)int(\d*)/.exec(t);if(r){if(!/^-?\d*$/.test(e))return!1;var o="u"===r[1],i=parseInt(r[2]),a=0,s=Math.pow(2,i)-1;o||(s+=a=-Math.floor(s/2));var l=parseInt(e);return a<=l&&l<=s&&l===parseFloat(e)}return"number"!==t&&"single"!==t&&"double"!==t&&"decimal"!==t||(+e===e||!isNaN(+e)&&"string"==typeof e)},e.prototype.findObject=function(e,t){if(t(e))return[];if(t(e=ko.unwrap(e)))return[];if("object"!=typeof e)return null;for(var n in e)if(e.hasOwnProperty(n)){var r=this.findObject(e[n],t);if(r)return r.push(n),r}return null},e.prototype.flatSerialize=function(e){return this.serialize(e,{ignoreSpecialProperties:!0,oneLevel:!0,serializeAll:!0})},e.prototype.getPureObject=function(e){if((e=ko.unwrap(e))instanceof Array)return e.map(this.getPureObject.bind(this));var t={};for(var n in e)"$"!=n[0]&&(t[n]=e[n]);return t},e.prototype.pad=function(e,t){for(;e.length<t;)e="0"+e;return e},e.prototype.serializeDate=function(e,t){if(void 0===t&&(t=!0),null==e)return null;if("string"==typeof e)return null==dotvvm.globalize.parseDotvvmDate(e)&&console.error(new Error("Date "+e+" is invalid.")),e;var n=new Date(e.getTime());return t?n.setMinutes(e.getMinutes()+e.getTimezoneOffset()):n=e,this.pad(n.getFullYear().toString(),4)+"-"+this.pad((n.getMonth()+1).toString(),2)+"-"+this.pad(n.getDate().toString(),2)+"T"+this.pad(n.getHours().toString(),2)+":"+this.pad(n.getMinutes().toString(),2)+":"+this.pad(n.getSeconds().toString(),2)+"."+this.pad(n.getMilliseconds().toString(),3)+"0000"},e}();document.getElementByDotvvmId=function(e){return document.querySelector("[data-dotvvm-id='"+e+"']")};var DotVVM=function(){function e(){var r,i=this;this.postBackCounter=0,this.lastStartedPostack=0,this.resourceSigns={},this.isViewModelUpdating=!0,this.spaHistory=new DotvvmSpaHistory,this.viewModelObservables={},this.isSpaReady=ko.observable(!1),this.viewModels={},this.serialization=new DotvvmSerialization,this.postbackHandlers={confirm:function(e){return new ConfirmPostBackHandler(e.message)},suppress:function(e){return new SuppressPostBackHandler(e.suppress)},timeout:function(e){return e.time?i.createWindowSetTimeoutHandler(e.time):i.windowSetTimeoutHandler},"concurrency-default":function(n){return{name:"concurrency-default",before:["setIsPostbackRunning"],execute:function(e,t){return i.commonConcurrencyHandler(e(),t,n.q||"default")}}},"concurrency-deny":function(r){return{name:"concurrency-deny",before:["setIsPostbackRunning"],execute:function(e,t){var n=r.q||"default";return 0<dotvvm.getPostbackQueue(n).noRunning?Promise.reject({type:"handler",handler:this,message:"An postback is already running"}):dotvvm.commonConcurrencyHandler(e(),t,n)}}},"concurrency-queue":function(o){return{name:"concurrency-queue",before:["setIsPostbackRunning"],execute:function(e,t){function n(){return dotvvm.commonConcurrencyHandler(e(),t,r)}var r=o.q||"default";return 0<dotvvm.getPostbackQueue(r).noRunning?new Promise(function(e){dotvvm.getPostbackQueue(r).queue.push(function(){return e(n())})}):n()}}},suppressOnUpdating:function(e){return{name:"suppressOnUpdating",before:["setIsPostbackRunning","concurrency-default","concurrency-queue","concurrency-deny"],execute:function(e,t){return dotvvm.isViewModelUpdating?Promise.reject({type:"handler",handler:this,message:"ViewModel is updating, so it's probably false onchange event"}):e()}}}},this.suppressOnDisabledElementHandler={name:"suppressOnDisabledElement",before:["setIsPostbackRunning","concurrency-default","concurrency-queue","concurrency-deny"],execute:function(e,t){return t.sender&&dotvvm.isPostBackProhibited(t.sender)?Promise.reject({type:"handler",handler:i,message:"PostBack is prohitibited on disabled element"}):e()}},this.beforePostbackEventPostbackHandler={execute:function(e,t){var n=new DotvvmBeforePostBackEventArgs(t.sender,t.viewModel,t.viewModelName,t.postbackId);return i.events.beforePostback.trigger(n),n.cancel?Promise.reject({type:"event",options:t}):e()}},this.isPostBackRunningHandler=(r=0,{name:"setIsPostbackRunning",before:["eventInvoke-postbackHandlersStarted"],execute:function(e,t){i.isPostbackRunning(!0),r++;var n=e();return n.then(function(){return i.isPostbackRunning(!!--r)},function(){return i.isPostbackRunning(!!--r)}),n}}),this.windowSetTimeoutHandler=this.createWindowSetTimeoutHandler(0),this.commonConcurrencyHandler=function(e,n,t){var r=i.getPostbackQueue(t);r.noRunning++;function o(){if(r.noRunning--,0<r.queue.length){var e=r.queue.shift();window.setTimeout(e,0)}}return e.then(function(e){var t=i.lastStartedPostack==n.postbackId?e:function(){return Promise.reject(null)};return function(){var e=t();return e.then(o,o),e}},function(e){return o(),Promise.reject(e)})},this.defaultConcurrencyPostbackHandler=this.postbackHandlers["concurrency-default"]({}),this.postbackQueues={},this.postbackHandlersStartedEventHandler={name:"eventInvoke-postbackHandlersStarted",execute:function(e,t){return dotvvm.events.postbackHandlersStarted.trigger(t),e()}},this.postbackHandlersCompletedEventHandler={name:"eventInvoke-postbackHandlersCompleted",after:["eventInvoke-postbackHandlersStarted"],execute:function(e,t){return dotvvm.events.postbackHandlersCompleted.trigger(t),e()}},this.globalPostbackHandlers=[this.suppressOnDisabledElementHandler,this.isPostBackRunningHandler,this.postbackHandlersStartedEventHandler],this.globalLaterPostbackHandlers=[this.postbackHandlersCompletedEventHandler,this.beforePostbackEventPostbackHandler],this.events=new DotvvmEvents,this.globalize=new DotvvmGlobalize,this.evaluator=new DotvvmEvaluator,this.domUtils=new DotvvmDomUtils,this.fileUpload=new DotvvmFileUpload,this.extensions={},this.isPostbackRunning=ko.observable(!1)}return e.prototype.createWindowSetTimeoutHandler=function(n){return{name:"timeout",before:["eventInvoke-postbackHandlersStarted","setIsPostbackRunning"],execute:function(e,t){return new Promise(function(e,t){return window.setTimeout(e,n)}).then(function(){return e()})}}},e.prototype.getPostbackQueue=function(e){return void 0===e&&(e="default"),this.postbackQueues[e]||(this.postbackQueues[e]={queue:[],noRunning:0}),this.postbackQueues[e]},e.prototype.isBrowserReload=function(){if(performance){if(performance.getEntriesByType){var e=performance.getEntriesByType("navigation");if(0<e.length)return"reload"===e[0].type}if(performance.navigation)return 1===performance.navigation.type}return!1},e.prototype.init=function(t,e){var n=this;this.addKnockoutBindingHandlers();var r,o=document.getElementById("__dot_persisted_viewmodel_"+t).value;r=o||(!this.isBrowserReload()&&history.state&&history.state.dotvvm_viewmodels&&history.state.dotvvm_viewmodels[t]?history.state.dotvvm_viewmodels[t]:document.getElementById("__dot_viewmodel_"+t).value);var i=i=JSON.parse(r);if((this.viewModels[t]=i).resources)for(var a in i.resources)this.resourceSigns[a]=!0;i.renderedResources&&i.renderedResources.forEach(function(e){return n.resourceSigns[e]=!0});var s=i.resultIdFragment,l=i.viewModel=this.serialization.deserialize(this.viewModels[t].viewModel,{},!0);this.culture=e,this.validation=new DotvvmValidation(this),this.viewModelObservables[t]=ko.observable(l),ko.applyBindings(this.viewModelObservables[t],document.documentElement),this.events.init.trigger({viewModel:l});var d=this.getSpaPlaceHolder();if(null!=d){var u=function(e){return n.handleHashChange(t,d,e)};this.useHistoryApiSpaNavigation=JSON.parse(d.getAttribute("data-dotvvm-spacontentplaceholder-usehistoryapi")),this.useHistoryApiSpaNavigation&&(u=function(e){return n.handleHashChangeWithHistory(t,d,e)});this.domUtils.attachEvent(window,"hashchange",function(){return u(!1)}),u(!0)}if(window.addEventListener("popstate",function(e){return n.handlePopState(t,e,null!=d)}),this.isViewModelUpdating=!1,s)if(d){var v=document.getElementById(s);v&&"function"==typeof v.scrollIntoView&&v.scrollIntoView(!0)}else location.hash=s;this.domUtils.attachEvent(window,"beforeunload",function(e){n.persistViewModel(t)})},e.prototype.handlePopState=function(e,t,n){if(this.spaHistory.isSpaPage(t.state)){var r=this.spaHistory.getHistoryRecord(t.state);n?this.navigateCore(e,r.url):this.performRedirect(r.url,!0),t.preventDefault()}},e.prototype.handleHashChangeWithHistory=function(e,t,n){var r=this;if(0===document.location.hash.indexOf("#!/"))this.navigateCore(e,document.location.hash.substring(2),function(e){r.spaHistory.replacePage(e)});else{var o=t.getAttribute("data-dotvvm-spacontentplaceholder-defaultroute");if(!t.hasAttribute("data-dotvvm-spacontentplaceholder-content")&&o)this.navigateCore(e,"/"+o,function(e){return r.spaHistory.replacePage(e)});else{this.isSpaReady(!0),t.style.display="";var i=location.pathname+location.search+location.hash;this.spaHistory.replacePage(i)}}},e.prototype.handleHashChange=function(e,t,n){if(0===document.location.hash.indexOf("#!/"))this.navigateCore(e,document.location.hash.substring(2));else{var r=t.getAttribute("data-dotvvm-spacontentplaceholder-defaultroute");if(r)r="#!/"+r,r=this.fixSpaUrlPrefix(r),this.performRedirect(r,n);else if(n)this.isSpaReady(!0),t.style.display="";else{var o=(r=document.location.toString()).indexOf("/","https://".length);r=0<o?r.substring(o):"/",this.navigateCore(e,r)}}},e.prototype.persistViewModel=function(e){var t,n=this.viewModels[e],r={};for(var o in n)n.hasOwnProperty(o)&&(r[o]=n[o]);r.viewModel=this.serialization.serialize(r.viewModel,{serializeAll:!0});var i=JSON.stringify(r),a=history.state?history.state:{},s=a.dotvvm_viewmodels?a.dotvvm_viewmodels:{},l=__assign({},a,{dotvvm_viewmodels:__assign({},s,(t={},t[e]=i,t))});document.getElementById("__dot_viewmodel_"+e).value=i,document.getElementById("__dot_persisted_viewmodel_"+e).value=i,history.replaceState(l,document.title)},e.prototype.backUpPostBackConter=function(){return++this.postBackCounter},e.prototype.isPostBackStillActive=function(e){return this.postBackCounter===e},e.prototype.staticCommandPostback=function(t,n,e,r,o,i){var a=this;void 0===o&&(o=function(e){}),void 0===i&&(i=function(e,t){});var s=this.serialization.serialize({args:r,command:e,$csrfToken:this.viewModels[t].viewModel.$csrfToken});dotvvm.events.staticCommandMethodInvoking.trigger(s),this.postJSON(this.viewModels[t].url,"POST",ko.toJSON(s),function(t){try{a.isViewModelUpdating=!0;var e=JSON.parse(t.responseText);dotvvm.events.staticCommandMethodInvoked.trigger(__assign({},s,{result:e,xhr:t})),o(e)}catch(e){dotvvm.events.staticCommandMethodFailed.trigger(__assign({},s,{xhr:t,error:e})),i(t,e)}finally{a.isViewModelUpdating=!1}},function(e){a.events.error.trigger(new DotvvmErrorEventArgs(n,a.viewModels[t].viewModel,t,e,null)),console.warn("StaticCommand postback failed: "+e.status+" - "+e.statusText,e),i(e),dotvvm.events.staticCommandMethodFailed.trigger(__assign({},s,{xhr:e}))},function(e){e.setRequestHeader("X-PostbackType","StaticCommand")})},e.prototype.processPassedId=function(e,t){if("string"==typeof e||null==e)return e;if("object"==typeof e&&e.expr)return this.evaluator.evaluateOnViewModel(t,e.expr);throw new Error("invalid argument")},e.prototype.getPostbackHandler=function(e){var t=this.postbackHandlers[e];if(t)return t;throw new Error("Could not find postback handler of name '"+e+"'")},e.prototype.isPostbackHandler=function(e){return e&&"function"==typeof e.execute},e.prototype.findPostbackHandlers=function(r,e){function o(e,t){return!1===t.enabled?null:i.getPostbackHandler(e)(t)}var i=this;return e.map(function(e){return"string"==typeof e?o(e,{}):i.isPostbackHandler(e)?e:e instanceof Array?(t=e[0],n=e[1],o(t,"function"==typeof n?n(r,r.$data):n)):o(e.name,e.options&&e.options(r));var t,n}).filter(function(e){return null!=e})},e.prototype.sortHandlers=function(o){for(var n=function(){for(var t={},e=0,n=o;e<n.length;e++){var r=n[e];null!=r.name&&(t[r.name]=r)}return function(e){return"string"==typeof e?t[e]:e}}(),a=o.map(function(e,t){return e["@sort_index"]=t,{handler:e,deps:(e.after||[]).map(n)}}),e=0,t=o;e<t.length;e++){var r=t[e];if(r.before)for(var i=0,s=r.before.map(n);i<s.length;i++){var l=s[i];if(l){var d=l["@sort_index"];a[d].deps.push(r)}}}for(var u=[],v=new Uint8Array(a.length),c=function(e){switch(v[e]){case 0:break;case 1:throw new Error("Cyclic PostbackHandler dependency found.");case 2:return;default:throw new Error("")}if(1!=v[e]){v[e]=1;for(var t=a[e],n=t.handler,r=0,o=t.deps;r<o.length;r++){var i=o[r];c(i["@sort_index"])}v[e]=2,u.push(n)}},p=0;p<a.length;p++)c(p);return u},e.prototype.applyPostbackHandlersCore=function(e,r,t){function n(e){return"function"==typeof e?e:function(){return Promise.resolve(new DotvvmAfterPostBackEventArgs(r,null,e))}}return null==t||0===t.length?e(r).then(n,function(e){return Promise.reject(e)}):this.sortHandlers(t).reduceRight(function(e,t,n){return function(){return t.execute(e,r)}},function(){return e(r).then(n,function(e){return Promise.reject(e)})})()},e.prototype.applyPostbackHandlers=function(e,t,n,r,o,i,a){void 0===r&&(r=[]),void 0===o&&(o=ko.contextFor(t)),void 0===i&&(i=o.$root);var s=new PostbackOptions(this.backUpPostBackConter(),t,r,i,a),l=this.applyPostbackHandlersCore(e,s,this.findPostbackHandlers(o,this.globalPostbackHandlers.concat(n||[]).concat(this.globalLaterPostbackHandlers))).then(function(e){return e()},function(e){return Promise.reject(e)});return l.catch(function(e){e&&console.log("Rejected: "+e)}),l},e.prototype.postbackCore=function(v,r,o,i,a,s){var c=this;return new Promise(function(e,t){var d=v.viewModelName,u=c.viewModels[d].viewModel;c.lastStartedPostack=v.postbackId,c.updateDynamicPathFragments(a,r);var n={viewModel:c.serialization.serialize(u,{pathMatcher:function(e){return a&&e==a.$data}}),currentPath:r,command:o,controlUniqueId:c.processPassedId(i,a),additionalData:v.additionalPostbackData,renderedResources:c.viewModels[d].renderedResources,commandArgs:s};c.postJSON(c.viewModels[d].url,"POST",ko.toJSON(n),function(l){dotvvm.events.postbackResponseReceived.trigger({}),e(function(){return new Promise(function(i,a){dotvvm.events.postbackCommitInvoked.trigger({});var e=l.getResponseHeader("Location"),s=null!=e&&0<e.length?{action:"redirect",url:e}:JSON.parse(l.responseText);!s.viewModel&&s.viewModelDiff&&(s.viewModel=c.patch(n.viewModel,s.viewModelDiff)),c.loadResourceList(s.resources,function(){var e=!1;if("successfulCommand"===s.action){try{c.isViewModelUpdating=!0;var t=c.cleanUpdatedControls(s);s.viewModel&&(ko.delaySync.pause(),c.serialization.deserialize(s.viewModel,c.viewModels[d].viewModel),ko.delaySync.resume()),e=!0,c.cleanUpdatedControls(s,t),c.restoreUpdatedControls(s,t,!0)}finally{c.isViewModelUpdating=!1}dotvvm.events.postbackViewModelUpdated.trigger({})}else if("redirect"===s.action)return c.handleRedirect(s,d),i();var n=s.resultIdFragment;if(n)if(c.getSpaPlaceHolder()||location.hash=="#"+n){var r=document.getElementById(n);r&&"function"==typeof r.scrollIntoView&&r.scrollIntoView(!0)}else location.hash=n;if(e){var o=new DotvvmAfterPostBackEventArgs(v,s,s.commandResult,l);i(o)}else a(new DotvvmErrorEventArgs(v.sender,u,d,l,v.postbackId,s))})})})},function(e){t({type:"network",options:v,args:new DotvvmErrorEventArgs(v.sender,u,d,e,v.postbackId)})})})},e.prototype.handleSpaNavigation=function(e){return"_blank"==e.getAttribute("target")||this.handleSpaNavigationCore(e.getAttribute("href"))},e.prototype.handleSpaNavigationCore=function(e){var t=this;if(e&&0===e.indexOf("/")){return e=this.removeVirtualDirectoryFromUrl(e,"root"),this.navigateCore("root",e,function(e){history.state&&history.state.url==e||t.spaHistory.pushPage(e)}),!1}return!0},e.prototype.postBack=function(e,t,n,r,o,i,a,s){var l=this;i=i||ko.contextFor(t);var d=this.findPostbackHandlers(i,this.globalPostbackHandlers.concat(a||[]).concat(this.globalLaterPostbackHandlers));0==d.filter(function(e){return e.name&&0==e.name.indexOf("concurrency-")}).length&&d.push(this.defaultConcurrencyPostbackHandler);var u=new PostbackOptions(this.backUpPostBackConter(),t,s,i.$data,e),v=this.applyPostbackHandlersCore(function(e){return l.postbackCore(e,n,r,o,i,s)},u,d).then(function(e){return e().then(function(e){return e},function(e){return Promise.reject({type:"commit",args:e})})},function(e){return Promise.reject(e)});return v.then(function(e){return e&&l.events.afterPostback.trigger(e)},function(e){var t=new DotvvmAfterPostBackEventArgs(u,"commit"==e.type&&e.args?e.args.serverResponseObject:null,u.postbackId);"handler"==e.type||"event"==e.type?(t.wasInterrupted=!0,l.events.postbackRejected.trigger({})):"network"==e.type&&l.events.error.trigger(e.args),l.events.afterPostback.trigger(t)}),v},e.prototype.loadResourceList=function(e,t){var n="";for(var r in e){if(!/^__noname_\d+$/.test(r)){if(this.resourceSigns[r])continue;this.resourceSigns[r]=!0}n+=e[r]+" "}if(""!==n.trim()){var o=document.createElement("div");o.innerHTML=n;for(var i=[],a=0;a<o.children.length;a++)i.push(o.children.item(a));this.loadResourceElements(i,0,t)}else setTimeout(t,4)},e.prototype.loadResourceElements=function(e,t,n){var r=this;if(t>=e.length)n();else{var o=e[t],i=!1;if("script"==o.tagName.toLowerCase()){var a=document.createElement("script");o.src&&(a.src=o.src,i=!0),o.type&&(a.type=o.type),o.text&&(a.text=o.text),o=a}else if("link"==o.tagName.toLowerCase()){var s=document.createElement("link");o.href&&(s.href=o.href),o.rel&&(s.rel=o.rel),o.type&&(s.type=o.type),o=s}i&&(o.onload=function(){return r.loadResourceElements(e,t+1,n)}),document.head.appendChild(o),i||this.loadResourceElements(e,t+1,n)}},e.prototype.getSpaPlaceHolder=function(){var e=document.getElementsByName("__dot_SpaContentPlaceHolder");return 1==e.length?e[0]:null},e.prototype.navigateCore=function(a,e,t){var s=this,n=this.viewModels[a].viewModel,r=this.backUpPostBackConter(),o=new DotvvmSpaNavigatingEventArgs(n,a,e);if(this.events.spaNavigating.trigger(o),!o.cancel){var i=this.viewModels[a].virtualDirectory||"",l="/___dotvvm-spa___"+this.addLeadingSlash(e),d=this.addLeadingSlash(this.concatUrl(i,l)),u=this.getSpaPlaceHolder();if(u){t&&t(this.addLeadingSlash(this.concatUrl(i,this.addLeadingSlash(e))));var v=u.attributes["data-dotvvm-spacontentplaceholder"].value;this.getJSON(d,"GET",v,function(o){if(s.isPostBackStillActive(r)){var i=JSON.parse(o.responseText);s.loadResourceList(i.resources,function(){var e=!1;if("successfulCommand"!==i.action&&i.action){if("redirect"===i.action)return void s.handleRedirect(i,a,!0)}else try{s.isViewModelUpdating=!0;var t=s.cleanUpdatedControls(i);for(var n in s.viewModels[a]={},i)i.hasOwnProperty(n)&&(s.viewModels[a][n]=i[n]);ko.delaySync.pause(),s.serialization.deserialize(i.viewModel,s.viewModels[a].viewModel),ko.delaySync.resume(),e=!0,s.viewModelObservables[a](s.viewModels[a].viewModel),s.restoreUpdatedControls(i,t,!0),s.isSpaReady(!0)}finally{s.isViewModelUpdating=!1}var r=new DotvvmSpaNavigatedEventArgs(s.viewModels[a].viewModel,a,i,o);if(s.events.spaNavigated.trigger(r),!e&&!r.isHandled)throw"Invalid response from server!"})}},function(e){if(s.isPostBackStillActive(r)){var t=new DotvvmErrorEventArgs(void 0,n,a,e,-1,void 0,!0);s.events.error.trigger(t),t.handled||alert(e.responseText)}})}else document.location.href=d}},e.prototype.handleRedirect=function(e,t,n){var r;void 0===n&&(n=!1),null!=e.replace&&(n=e.replace),r=this.getSpaPlaceHolder()&&!this.useHistoryApiSpaNavigation&&e.url.indexOf("//")<0&&e.allowSpa?("#!"===(r="#!"+this.removeVirtualDirectoryFromUrl(e.url,t))&&(r="#!/"),this.fixSpaUrlPrefix(r)):e.url;var o=new DotvvmRedirectEventArgs(dotvvm.viewModels[t],t,r,n);this.events.redirect.trigger(o),this.performRedirect(r,n,e.allowSpa&&this.useHistoryApiSpaNavigation)},e.prototype.performRedirect=function(e,t,n){if(t)location.replace(e);else if(n)this.handleSpaNavigationCore(e);else{var r=this.fakeRedirectAnchor;r||((r=document.createElement("a")).style.display="none",r.setAttribute("data-dotvvm-fake-id","dotvvm_fake_redirect_anchor_87D7145D_8EA8_47BA_9941_82B75EE88CDB"),document.body.appendChild(r),this.fakeRedirectAnchor=r),r.href=e,r.click()}},e.prototype.fixSpaUrlPrefix=function(e){var t=this.getSpaPlaceHolder().attributes["data-dotvvm-spacontentplaceholder-urlprefix"];if(!t)return e;var n=t.value;return n!==document.location.pathname&&(""===n&&(n="/"),e=n+e),e},e.prototype.removeVirtualDirectoryFromUrl=function(e,t){var n="/"+this.viewModels[t].virtualDirectory;return 0==e.indexOf(n)?this.addLeadingSlash(e.substring(n.length)):e},e.prototype.addLeadingSlash=function(e){return 0<e.length&&"/"!=e.substring(0,1)?"/"+e:e},e.prototype.concatUrl=function(e,t){return 0<e.length&&"/"==e.substring(e.length-1)&&(e=e.substring(0,e.length-1)),e+this.addLeadingSlash(t)},e.prototype.patch=function(n,e){var r=this;if(n instanceof Array&&e instanceof Array)return e.map(function(e,t){return r.patch(n[t],e)});if(n instanceof Array||e instanceof Array)return e;if("object"!=typeof n||"object"!=typeof e||!n||!e)return e;for(var t in e)null==e[t]?n[t]=null:null==n[t]?n[t]=e[t]:n[t]=this.patch(n[t],e[t]);return n},e.prototype.updateDynamicPathFragments=function(e,t){for(var n=t.length-1;0<=n;n--)0<=t[n].indexOf("[$index]")&&(t[n]=t[n].replace("[$index]","["+e.$index()+"]")),0<=t[n].indexOf("[$indexPath]")&&(t[n]=t[n].replace("[$indexPath]","["+e.$indexPath.map(function(e){return e()}).join("]/[")+"]")),e=e.$parentContext},e.prototype.postJSON=function(e,t,n,r,o,i){void 0===i&&(i=function(e){});var a=this.getXHR();a.open(t,e,!0),a.setRequestHeader("Content-Type","application/json"),a.setRequestHeader("X-DotVVM-PostBack","true"),a.setRequestHeader("X-Requested-With","XMLHttpRequest"),i(a),a.onreadystatechange=function(){a.readyState===XMLHttpRequest.DONE&&(a.status<400?r(a):o(a))},a.send(n)},e.prototype.getJSON=function(e,t,n,r,o){var i=this.getXHR();i.open(t,e,!0),i.setRequestHeader("Content-Type","application/json"),i.setRequestHeader("X-DotVVM-SpaContentPlaceHolder",n),i.onreadystatechange=function(){i.readyState===XMLHttpRequest.DONE&&(i.status<400?r(i):o(i))},i.send()},e.prototype.getXHR=function(){return XMLHttpRequest?new XMLHttpRequest:new window.ActiveXObject("Microsoft.XMLHTTP")},e.prototype.cleanUpdatedControls=function(e,t){for(var n in void 0===t&&(t={}),e.updatedControls)if(e.updatedControls.hasOwnProperty(n)){var r=document.getElementByDotvvmId(n);if(r){var o=ko.contextFor(r),i=r.nextSibling,a=r.parentNode;ko.removeNode(r),t[n]={control:r,nextSibling:i,parent:a,dataContext:o}}}return t},e.prototype.restoreUpdatedControls=function(n,r,e){var o=this;for(var t in n.updatedControls)if(n.updatedControls.hasOwnProperty(t)){var i=r[t];if(i){var a=document.createElement(r[t].parent.tagName||"div");if(a.innerHTML=n.updatedControls[t],1<a.childElementCount)throw new Error("Postback.Update control can not render more than one element");var s=a.firstElementChild;if(null==s.id)throw new Error("Postback.Update control always has to render id attribute.");s.id!==r[t].control.id&&console.log("Postback.Update control changed id from '"+r[t].control.id+"' to '"+s.id+"'"),a.removeChild(s),i.nextSibling?i.parent.insertBefore(s,i.nextSibling):i.parent.appendChild(s)}}e&&window.setTimeout(function(){try{for(var e in o.isViewModelUpdating=!0,n.updatedControls){var t=document.getElementByDotvvmId(e);t&&ko.applyBindings(r[e].dataContext,t)}}finally{o.isViewModelUpdating=!1}},0)},e.prototype.unwrapArrayExtension=function(e){return ko.unwrap(ko.unwrap(e))},e.prototype.buildRouteUrl=function(e,a){var t=(e="/"+e).replace(/(\/[^\/]*?)\{([^\}]+?)\??(:(.+?))?\}/g,function(e,t,n,r,o){if(!n)return"";var i=ko.unwrap(a[n.toLowerCase()]);return null==i?"":t+i});return 0===t.indexOf("/")?t.substring(1):t},e.prototype.buildUrlSuffix=function(e,t){var n,r;for(var o in r=-1!==e.indexOf("#")?(n=e.substring(0,e.indexOf("#")),e.substring(e.indexOf("#"))):(n=e,""),t)if(t.hasOwnProperty(o)){if(!o)continue;var i=ko.unwrap(t[o]);if(null==i)continue;n=n.concat(-1!==n.indexOf("?")?"&"+o+"="+i:"?"+o+"="+i)}return n.concat(r)},e.prototype.isPostBackProhibited=function(e){return!!(e&&e.tagName&&-1<["a","input","button"].indexOf(e.tagName.toLowerCase())&&e.getAttribute("disabled"))},e.prototype.addKnockoutBindingHandlers=function(){function v(n,r){void 0===r&&(r=null);var e=ko.pureComputed({read:function(){var e=n();return ko.unwrap(e)},write:function(e){var t=n();ko.isObservable(t)?t(e):console.warn("Attempted to write to readonly property"+(null==r?"":" "+r)+".")}});return e.wrappedProperty=n,e}ko.virtualElements.allowedBindings.dotvvm_withControlProperties=!0,ko.bindingHandlers.dotvvm_withControlProperties={init:function(e,t,n,r,o){if(!o)throw new Error;var i=t();for(var a in i)i[a]=v(function(){var e=t()[this.prop];return ko.isObservable(e)?e:dotvvm.serialization.deserialize(e)}.bind({prop:a}),"'"+a+"' at '"+t.toString()+"'");var s=o.extend({$control:i});return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}},update:function(e,t,n,r,o){}},ko.virtualElements.allowedBindings.dotvvm_introduceAlias=!0,ko.bindingHandlers.dotvvm_introduceAlias={init:function(e,t,n,r,o){if(!o)throw new Error;var i=t(),a={};for(var s in i){for(var l=s.split("."),d=a;0<l.length-1;0)d=a[l[0]]||(a[l[0]]={});d[l[l.length-1]]=v(function(){return t()[this.prop]}.bind({prop:s}),"'"+s+"' at '"+t.toString()+"'")}var u=o.extend(a);return e.innerBindingContext=u,ko.applyBindingsToDescendants(u,e),{controlsDescendantBindings:!0}}};var l="$foreachCollectionSymbol";ko.virtualElements.allowedBindings["dotvvm-SSR-foreach"]=!0,ko.bindingHandlers["dotvvm-SSR-foreach"]={init:function(e,t,n,r,o){var i;if(!o)throw new Error;var a=t(),s=o.extend(((i={})[l]=a.data,i));return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}}},ko.virtualElements.allowedBindings["dotvvm-SSR-item"]=!0,ko.bindingHandlers["dotvvm-SSR-item"]={init:function(e,t,n,r,o){if(!o)throw new Error;var i=t(),a=o[l],s=o.createChildContext(function(){return ko.unwrap((ko.unwrap(a)||[])[i])}).extend({$index:ko.pureComputed(function(){return i})});return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}}},ko.virtualElements.allowedBindings.withGridViewDataSet=!0,ko.bindingHandlers.withGridViewDataSet={init:function(e,t,n,r,o){var i;if(!o)throw new Error;var a=t(),s=o.extend(((i={$gridViewDataSet:a})[l]=dotvvm.evaluator.getDataSourceItems(a),i));return e.innerBindingContext=s,ko.applyBindingsToDescendants(s,e),{controlsDescendantBindings:!0}},update:function(e,t,n,r,o){}},ko.bindingHandlers.dotvvmEnable={update:function(e,t){var n=ko.utils.unwrapObservable(t());n&&e.disabled?(e.disabled=!1,e.removeAttribute("disabled")):n||e.disabled||(e.disabled=!0,e.setAttribute("disabled","disabled"))}},ko.bindingHandlers["dotvvm-checkbox-updateAfterPostback"]={init:function(e,t,r,n,o){dotvvm.events.afterPostback.subscribe(function(e){var t=r();if(t["dotvvm-checked-pointer"]){var n=t[t["dotvvm-checked-pointer"]];ko.isObservable(n)&&(n.valueHasMutated?n.valueHasMutated():n.notifySubscribers())}})}},ko.bindingHandlers["dotvvm-checked-pointer"]={init:function(e,t,n,r,o){}},ko.bindingHandlers["dotvvm-UpdateProgress-Visible"]={init:function(t,e,n,r,o){t.style.display="none";var i,a=t.getAttribute("data-delay"),s=!1;dotvvm.isPostbackRunning.subscribe(function(e){e?s||(s=!0,null==a?t.style.display="":i=setTimeout(function(e){t.style.display=""},a)):(s=!1,clearTimeout(i),t.style.display="none")})}},ko.bindingHandlers["dotvvm-table-columnvisible"]={init:function(e,t,n,r,o){var i="",a=!0;if(e instanceof HTMLTableCellElement){for(var s=e;!(s instanceof HTMLTableElement);)s=s.parentElement;var l=s.rows.item(0);if(!l)throw Error("Table with dotvvm-table-columnvisible binding handler must not be empty.");var d=[].slice.call(l.cells).indexOf(e);e.dotvvmChangeVisibility=function(e,t,n){if(a!=n){a=n;for(var r=0;r<e.rows.length;r++){var o=e.rows.item(r).cells[t].style;n?o.display=i:(i=o.display||"",o.display="none")}}}.bind(null,s,d)}},update:function(e,t){e.dotvvmChangeVisibility(ko.unwrap(t()))}},ko.bindingHandlers["dotvvm-textbox-text"]={init:function(r,e,t,n,o){var i=e(),a=(t.get("valueUpdate"),new DotvvmValidationElementMetadata);a.element=r,a.dataType=(r.attributes["data-dotvvm-value-type"]||{value:""}).value,a.format=(r.attributes["data-dotvvm-format"]||{value:""}).value;var s=null;s=ko.isObservable(i)?(i.dotvvmMetadata?(i.dotvvmMetadata.elementsMetadata||(i.dotvvmMetadata.elementsMetadata=[]),i.dotvvmMetadata.elementsMetadata.push(a)):(i.dotvvmMetadata=new DotvvmValidationObservableMetadata,i.dotvvmMetadata.elementsMetadata=[a]),i.dotvvmMetadata.elementsMetadata):new DotvvmValidationObservableMetadata,setTimeout(function(r,o){ko.utils.domNodeDisposal.addDisposeCallback(o,function(){for(var e=0,t=r;e<t.length;e++){var n=t[e];if(n.element===o){r.splice(r.indexOf(n),1);break}}})},0,s,r),dotvvm.domUtils.attachEvent(r,"change",function(){if(ko.isObservable(i)){var e,t;if("datetime"===a.dataType){var n=i();null!=n&&(n=dotvvm.globalize.parseDotvvmDate(n)),t=null==(e=dotvvm.globalize.parseDate(r.value,a.format,n))?null:dotvvm.serialization.serializeDate(e,!1)}else t=null===(e=dotvvm.globalize.parseNumber(r.value))||isNaN(e)?null:e;null==t&&null!==r.value&&""!==r.value?(r.attributes["data-invalid-value"]=r.value,r.attributes["data-dotvvm-value-type-valid"]=!1,a.elementValidationState=!1):(r.attributes["data-invalid-value"]=null,r.attributes["data-dotvvm-value-type-valid"]=!0,a.elementValidationState=!0),i()===t?i.valueHasMutated?i.valueHasMutated():i.notifySubscribers():i(t)}})},update:function(e,t,n,r,o){var i=t(),a=(e.attributes["data-dotvvm-format"]||{value:""}).value,s=ko.unwrap(i);if(a){var l=dotvvm.globalize.formatString(a,s),d=e.attributes["data-invalid-value"];if(null==d){if(e.value=l||"",i.dotvvmMetadata&&i.dotvvmMetadata.elementsMetadata)for(var u=0,v=i.dotvvmMetadata.elementsMetadata;u<v.length;u++){var c=v[u];c.element===e&&(e.attributes["data-dotvvm-value-type-valid"]=!0,c.elementValidationState=!0)}}else e.attributes["data-invalid-value"]=null,e.value=d}else e.value=s}},ko.bindingHandlers["dotvvm-textbox-select-all-on-focus"]={init:function(e,t,n,r,o){e.$selectAllOnFocusHandler=function(){e.select()}},update:function(e,t,n,r,o){!0===ko.unwrap(t())?e.addEventListener("focus",e.$selectAllOnFocusHandler):e.removeEventListener("focus",e.$selectAllOnFocusHandler)}},ko.bindingHandlers["dotvvm-CheckState"]={init:function(e,t,n,r,o){ko.getBindingHandler("checked").init(e,t,n,r,o)},update:function(e,t,n){var r=ko.unwrap(t());e.indeterminate=null==r}}},e}(),DotvvmValidationContext=function(e,t,n){this.valueToValidate=e,this.parentViewModel=t,this.parameters=n},DotvvmValidationObservableMetadata=function(){},DotvvmValidationElementMetadata=function(){this.elementValidationState=!0},DotvvmValidatorBase=function(){function e(){}return e.prototype.isValid=function(e,t){return!1},e.prototype.isEmpty=function(e){return null==e||"string"==typeof e&&""===e.trim()},e.prototype.getValidationMetadata=function(e){return e.dotvvmMetadata},e}(),DotvvmRequiredValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate;return!this.isEmpty(t)},t}(DotvvmValidatorBase),DotvvmRegularExpressionValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate,n=e.parameters[0];return this.isEmpty(t)||new RegExp(n).test(t)},t}(DotvvmValidatorBase),DotvvmIntRangeValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate,n=e.parameters[0],r=e.parameters[1];return t%1==0&&n<=t&&t<=r},t}(DotvvmValidatorBase),DotvvmEnforceClientFormatValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e,t){var n=!0;e.parameters[0]||null!=e.valueToValidate||(n=!1),e.parameters[1]||0!==e.valueToValidate.length||(n=!1),!e.parameters[2]&&this.isEmpty(e.valueToValidate)&&(n=!1);var r=this.getValidationMetadata(t);if(r&&r.elementsMetadata)for(var o=0,i=r.elementsMetadata;o<i.length;o++){i[o].elementValidationState||(n=!1)}return n},t}(DotvvmValidatorBase),DotvvmRangeValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e,t){var n=e.valueToValidate,r=e.parameters[0],o=e.parameters[1];return r<=n&&n<=o},t}(DotvvmValidatorBase),DotvvmNotNullValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){return null!==e.valueToValidate&&void 0!==e.valueToValidate},t}(DotvvmValidatorBase),DotvvmEmailAddressValidator=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return __extends(t,e),t.prototype.isValid=function(e){var t=e.valueToValidate;if(null==t)return!0;if("string"!=typeof t)return!1;for(var n=!1,r=0;r<t.length;r++)if("@"==t[r]){if(n||0==r||r==t.length-1)return!1;n=!0}return n},t}(DotvvmValidatorBase),ValidationError=function(){function e(e,t){this.validatedObservable=e,this.errorMessage=t}return e.getOrCreate=function(e){if(e.wrappedProperty){var t=e.wrappedProperty();ko.isObservable(t)&&(e=t)}return e.validationErrors||(e.validationErrors=ko.observableArray()),e.validationErrors},e.isValid=function(e){return!e.validationErrors||0===e.validationErrors().length},e.prototype.clear=function(e){this.validatedObservable.validationErrors.remove(this),e.errors.remove(this)},e}(),DotvvmValidation=function(){function e(i){var d=this;this.rules={required:new DotvvmRequiredValidator,regularExpression:new DotvvmRegularExpressionValidator,intrange:new DotvvmIntRangeValidator,range:new DotvvmRangeValidator,emailAddress:new DotvvmEmailAddressValidator,notnull:new DotvvmNotNullValidator,enforceClientFormat:new DotvvmEnforceClientFormatValidator},this.errors=ko.observableArray([]),this.events={validationErrorsChanged:new DotvvmEvent("dotvvm.validation.events.validationErrorsChanged")},this.elementUpdateFunctions={hideWhenValid:function(e,t,n){0<t.length?e.style.display="":e.style.display="none"},invalidCssClass:function(e,t,n){if(0<t.length)e.className+=" "+n;else{var r=n.split(" ");e.className=e.className.split(" ").filter(function(e){return r.indexOf(e)<0}).join(" ")}},setToolTipText:function(e,t,n){0<t.length?e.title=t.join(", "):e.title=""},showErrorMessageText:function(e,t,n){e[e.innerText?"innerText":"textContent"]=t.join(", ")}};function t(o){return{execute:function(e,t){if(o){t.additionalPostbackData.validationTargetPath=o;var n=ko.contextFor(t.sender),r=i.evaluator.evaluateOnViewModel(n,o);if(d.errors([]),d.clearValidationErrors(i.viewModelObservables[t.viewModelName||"root"]),d.validateViewModel(r),0<d.errors().length)return console.log("Validation failed: postback aborted; errors: ",d.errors()),Promise.reject({type:"handler",handler:d,message:"Validation failed"});d.events.validationErrorsChanged.trigger({viewModel:t.viewModel})}return e()}}}i.postbackHandlers.validate=function(e){return t(e.path)},i.postbackHandlers["validate-root"]=function(){return t("dotvvm.viewModelObservables['root']")},i.postbackHandlers["validate-this"]=function(){return t("$data")},i.events.afterPostback.subscribe(function(e){!e.wasInterrupted&&e.serverResponseObject&&("successfulCommand"===e.serverResponseObject.action?(d.mergeValidationRules(e),e.isHandled=!0):"validationErrors"===e.serverResponseObject.action&&(d.showValidationErrorsFromServer(e),e.isHandled=!0)),d.events.validationErrorsChanged.trigger(e)}),i.events.spaNavigating.subscribe(function(e){d.clearValidationErrors(i.viewModelObservables[e.viewModelName])}),ko.bindingHandlers.dotvvmValidation={init:function(t,e,n,r,o){var i=e();if(ko.isObservable(i)){function a(e,t){for(var n in s)s.hasOwnProperty(n)&&d.elementUpdateFunctions[n](e,t.map(function(e){return e.errorMessage}),s[n])}var s=n.get("dotvvmValidationOptions"),l=ValidationError.getOrCreate(i);l.subscribe(function(e){return a(t,e)}),a(t,l())}}}}return e.prototype.validateViewModel=function(e){if(ko.isObservable(e)&&(e=ko.unwrap(e)),e){var t=ko.unwrap(e.$type),n=(dotvvm.viewModels.root.validationRules||{})[t]||{};for(var r in e)if(e.hasOwnProperty(r)&&0!==r.indexOf("$")){var o=e[r];if(o&&ko.isObservable(o)){var i=e[r]();n.hasOwnProperty(r)&&this.validateProperty(e,o,i,n[r]);var a=e[r+"$options"];if(a&&a.type&&ValidationError.isValid(o)&&!dotvvm.serialization.validateType(i,a.type)){var s=new ValidationError(o,"The value of property "+r+" ("+i+") is invalid value for type "+a.type+".");this.addValidationError(o,s)}if(i)if(Array.isArray(i))for(var l=0,d=i;l<d.length;l++){var u=d[l];this.validateViewModel(u)}else i&&i instanceof Object&&this.validateViewModel(i)}}}},e.prototype.validateProperty=function(e,t,n,r){for(var o=0,i=r;o<i.length;o++){var a=i[o],s=this.rules[a.ruleName],l=new DotvvmValidationContext(n,e,a.parameters);if(!s.isValid(l,t)){ValidationError.getOrCreate(t);var d=new ValidationError(t,a.errorMessage);this.addValidationError(t,d)}}},e.prototype.mergeValidationRules=function(e){if(e.serverResponseObject.validationRules){var t=dotvvm.viewModels[e.viewModelName].validationRules;for(var n in void 0===t&&(dotvvm.viewModels[e.viewModelName].validationRules={},t=dotvvm.viewModels[e.viewModelName].validationRules),e.serverResponseObject.validationRules)e.serverResponseObject.validationRules.hasOwnProperty(n)&&(t[n]=e.serverResponseObject.validationRules[n])}},e.prototype.clearValidationErrors=function(e){if(e&&ko.isObservable(e)){if(e.validationErrors)for(var t=0,n=e.validationErrors();t<n.length;t++){n[t].clear(this)}var r=e();if(r){if(Array.isArray(r))for(var o=0,i=r;o<i.length;o++){var a=i[o];this.clearValidationErrors(a)}for(var s in r)if(r.hasOwnProperty(s)&&0!==s.indexOf("$")){var l=r[s];this.clearValidationErrors(l)}}}},e.prototype.getValidationErrors=function(e,t,n,r){if(void 0===r&&(r=!0),!e)return[];var o=[];if(n&&(o=o.concat(ValidationError.getOrCreate(e)())),r){var i=ko.unwrap(e);if(Array.isArray(i))for(var a=0,s=i;a<s.length;a++){var l=s[a];o=o.concat(this.getValidationErrors(l,t,!0,t))}else for(var d in i)if(i.hasOwnProperty(d)&&0!==d.indexOf("$")){var u=i[d];u&&ko.isObservable(u)&&(o=o.concat(this.getValidationErrors(u,t,!0,t)))}}return o},e.prototype.showValidationErrorsFromServer=function(e){var t=ko.contextFor(e.sender),n=dotvvm.evaluator.evaluateOnViewModel(t,e.postbackOptions.additionalPostbackData.validationTargetPath);if(n){this.clearValidationErrors(dotvvm.viewModelObservables[e.viewModelName]);for(var r=e.serverResponseObject.modelState,o=0;o<r.length;o++){var i,a=r[o].propertyPath;i=a?(ko.isObservable(n)&&(n=ko.unwrap(n)),dotvvm.evaluator.evaluateOnViewModel(n,a)):n;var s=new ValidationError(i,r[o].errorMessage);this.addValidationError(i,s)}}},e.prototype.addValidationError=function(e,t){ValidationError.getOrCreate(e).indexOf(t)<0&&(e.validationErrors.push(t),this.errors.push(t))},e}(),DotvvmEvaluator=function(){function DotvvmEvaluator(){}return DotvvmEvaluator.prototype.evaluateOnViewModel=function(context,expression){var result;return result=context&&context.$data?eval("(function ($context) { with($context) { with ($data) { return "+expression+"; } } })")(context):eval("(function ($context) { var $data=$context; with($context) { return "+expression+"; } })")(context),result&&result.$data&&(result=result.$data),result},DotvvmEvaluator.prototype.evaluateOnContext=function(e,t){var n=!1;for(var r in e)if(0===t.indexOf(r)){n=!0;break}return n||(t="$data."+t),this.evaluateOnViewModel(e,t)},DotvvmEvaluator.prototype.getDataSourceItems=function(e){var t=ko.unwrap(e);return void 0===t||null==t?[]:ko.unwrap(t.Items||t)},DotvvmEvaluator.prototype.tryEval=function(e){try{return e()}catch(e){return null}},DotvvmEvaluator.prototype.isObservableArray=function(e){return ko.isComputed(e)?Array.isArray(e.peek()):!!ko.isObservable(e)&&"push"in e},DotvvmEvaluator.prototype.wrapObservable=function(n,e){var r=this,t=ko.pureComputed({read:function(){return ko.unwrap(r.getExpressionResult(n))},write:function(e){return r.updateObservable(n,e)}});return e&&(t.push=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"push",e)},t.pop=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"pop",e)},t.unshift=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"unshift",e)},t.shift=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"shift",e)},t.reverse=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"reverse",e)},t.sort=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"sort",e)},t.splice=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"splice",e)},t.slice=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"slice",e)},t.replace=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"replace",e)},t.indexOf=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"indexOf",e)},t.remove=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"remove",e)},t.removeAll=function(){for(var e=[],t=0;t<arguments.length;t++)e[t]=arguments[t];return r.updateObservableArray(n,"removeAll",e)},t=t.extend({trackArrayChanges:!0})),t.extend({notify:"always"})},DotvvmEvaluator.prototype.updateObservable=function(e,t){var n=this.getExpressionResult(e);ko.isWriteableObservable(n)?n(t):console.error("Cannot write a value to ko.computed because the expression '"+e+"' does not return a writable observable.")},DotvvmEvaluator.prototype.updateObservableArray=function(e,t,n){var r=this.getExpressionResult(e);this.isObservableArray(r)?r[t].apply(r,n):console.error("Cannot execute '"+t+"' function on ko.computed because the expression '"+e+"' does not return an observable array.")},DotvvmEvaluator.prototype.getExpressionResult=function(e){var t=e();return ko.isComputed(t)&&"wrappedProperty"in t&&(t=t.wrappedProperty()),t},DotvvmEvaluator}(),DotvvmEventHub=function(){function e(){this.map={}}return e.prototype.notify=function(e){e in this.map?this.map[e].notifySubscribers():this.map[e]=ko.observable(0)},e.prototype.get=function(e){return this.map[e]||(this.map[e]=ko.observable(0))},e}();function basicAuthenticatedFetch(t,n){var r=sessionStorage.getItem("someAuth");return null!=r&&(null==n&&(n={}),null==n.headers&&(n.headers={}),null==n.headers.Authorization&&(n.headers.Authorization="Basic "+btoa(r))),null==n&&(n={}),n.cache||(n.cache="no-cache"),window.fetch(t,n).then(function(e){return 401===e.status&&null==r?(null==sessionStorage.getItem("someAuth")&&function(){var e=prompt("You credentials for "+(t.url||t))||"";sessionStorage.setItem("someAuth",e)}(),basicAuthenticatedFetch(t,n)):e})}!function(){var a={};DotVVM.prototype.invokeApiFn=function(n,e,o,t){void 0===e&&(e=[]),void 0===o&&(o=[]),void 0===t&&(t=n.toString());var i=a[t]||(a[t]=ko.observable(null)),r=ko.pureComputed(function(){return i()});return r.refreshValue=function(e){var t=i.promise;if(i.isLoading||(i.isLoading=!0,t=function(){try{return{type:"result",result:window.Promise.resolve(ko.ignoreDependencies(n)).then(function(e){e&&(i(ko.unwrap(dotvvm.serialization.deserialize(e,i))),i.notifySubscribers());for(var t=0,n=o;t<n.length;t++){var r=n[t];dotvvm.eventHub.notify(r)}return e},console.warn)}}catch(e){return console.warn(e),{type:"error",error:e}}}(),i.promise=t),"error"!=t.type)return t.result.then(function(e){return i.isLoading=!1},function(e){return i.isLoading=!1}),t.result;if(i.isLoading=!1,e)throw t.error},i.peek()||r.refreshValue(),ko.computed(function(){return e.map(function(e){return"string"==typeof e?dotvvm.eventHub.get(e)():e()})}).subscribe(function(e){return r.refreshValue()}),r},DotVVM.prototype.apiRefreshOn=function(e,t){return"function"!=typeof e.refreshValue&&console.error("The object is not refreshable"),t.subscribe(function(){"function"!=typeof e.refreshValue&&console.error("The object is not refreshable"),e.refreshValue&&e.refreshValue()}),e},DotVVM.prototype.api={},DotVVM.prototype.eventHub=new DotvvmEventHub}();
\ No newline at end of file
diff --git a/src/DotVVM.Framework/Resources/Scripts/DotVVM.ts b/src/DotVVM.Framework/Resources/Scripts/DotVVM.ts
index 6a356507c7..a376d1f9f8 100644
--- a/src/DotVVM.Framework/Resources/Scripts/DotVVM.ts
+++ b/src/DotVVM.Framework/Resources/Scripts/DotVVM.ts
@@ -220,8 +220,6 @@ class DotVVM {
     public useHistoryApiSpaNavigation: boolean;
     public isPostbackRunning = ko.observable(false);
 
-    public useHistoryApiViewModel = history && ((/Chrome/.test(navigator.userAgent) && /Google Inc/.test(navigator.vendor)) || /Edge/.test(navigator.userAgent));
-
     private isBrowserReload(): boolean {
         if (performance) {
             if (performance.getEntriesByType) {