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kendo.dialog.js
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kendo.dialog.js
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(function(f, define) {
define(["./kendo.core", "./kendo.popup"], f);
})(function() {
var __meta__ = { // jshint ignore:line
id: "dialog",
name: "Dialog",
category: "web", // suite
description: "The dialog widget is a modal popup that brings information to the user.",
depends: ["core", "popup"] // dependencies
};
(function($, undefined) {
var kendo = window.kendo,
Widget = kendo.ui.Widget,
TabKeyTrap = kendo.ui.Popup.TabKeyTrap,
proxy = $.proxy,
template = kendo.template,
keys = kendo.keys,
isFunction = $.isFunction,
NS = "kendoWindow",
KDIALOG = ".k-dialog",
KWINDOW = ".k-window",
KICONCLOSE = ".k-dialog-close",
KCONTENTCLASS = "k-content k-window-content k-dialog-content",
KCONTENTSELECTOR = ".k-window-content",
KCONTENT = ".k-content",
KSCROLL = "k-scroll",
KTITLELESS = "k-dialog-titleless",
KDIALOGTITLE = ".k-dialog-title",
KDIALOGTITLEBAR = KDIALOGTITLE + "bar",
KBUTTONGROUP = ".k-dialog-buttongroup",
KBUTTON = ".k-button",
KALERT = "k-alert",
KCONFIRM = "k-confirm",
KPROMPT = "k-prompt",
KTEXTBOX = ".k-textbox",
KOVERLAY = ".k-overlay",
VISIBLE = ":visible",
ZINDEX = "zIndex",
BODY = "body",
INITOPEN = "initOpen",
TOUCHSTART = "touchstart",
TOUCHMOVE = "touchmove",
OPEN = "open",
CLOSE = "close",
SHOW = "show",
HIDE = "hide",
WIDTH = "width",
SIZE = {
small: "k-window-sm",
medium: "k-window-md",
large: "k-window-lg"
},
HIDDEN = "hidden",
OVERFLOW = "overflow",
DATADOCOVERFLOWRULE = "original-overflow-rule",
DATAHTMLTAPYRULE = "tap-y",
HUNDREDPERCENT = 100,
CSSFLEXBOX = kendo.support.cssFlexbox,
messages = {
okText : "OK",
cancel : "Cancel",
promptInput: "Input"
},
ceil = Math.ceil,
templates,
overlaySelector = ":not(link,meta,script,style)";
function defined(x) {
return (typeof x != "undefined");
}
function constrain(value, low, high) {
return Math.max(Math.min(parseInt(value, 10), high === Infinity ? high : parseInt(high, 10)), parseInt(low, 10));
}
function buttonKeyTrigger(e) {
return e.keyCode == keys.ENTER || e.keyCode == keys.SPACEBAR;
}
var DialogBase = Widget.extend({
init: function(element, options) {
var that = this;
Widget.fn.init.call(that, element, options);
that._init(that.element, that.options);
kendo.notify(that);
},
_init: function(element, options) {
var that = this,
wrapper;
that._centerCallback = proxy(that._center, that);
that.appendTo = $(BODY);
if (!defined(options.visible) || options.visible === null) {
options.visible = element.is(VISIBLE);
}
if (that.wrapperTemplate === undefined) {
that.wrapperTemplate = templates.wrapper;
}
that._createDialog();
wrapper = that.wrapper = element.closest(KDIALOG);
if (options._defaultFocus === undefined) {
that._defaultFocus = element[0];
}
that._tabindex(element);
that._dimensions();
this._tabKeyTrap = new TabKeyTrap(wrapper);
if (!that.options.visible) {
that.wrapper.hide();
} else {
that._triggerOpen();
}
},
setOptions: function(options) {
var that = this;
var sizeClass = that.options.size;
options = $.extend(that.options, options);
Widget.fn.setOptions.call(that, options);
if (options.title !== undefined) {
that.title(options.title);
}
if (options.content) {
kendo.destroy(that.element.children());
that.element.html(options.content);
}
if (options.actions) {
that.wrapper.children(KBUTTONGROUP).remove();
that._createActionbar(that.wrapper);
}
that.wrapper.show();
that._closable(that.wrapper);
that.wrapper.removeClass(SIZE[sizeClass]);
that._dimensions();
if (!options.visible) {
that.wrapper.hide();
} else {
that._triggerOpen();
}
if (typeof options.modal !== "undefined") {
var visible = that.options.visible !== false;
that._enableDocumentScrolling();
that._overlay(options.modal && visible);
}
},
_dimensions: function() {
var that = this,
wrapper = that.wrapper,
options = that.options,
width = options.width,
height = options.height,
sizeClass = options.size,
dimensions = ["minWidth", "minHeight", "maxWidth", "maxHeight"];
for (var i = 0; i < dimensions.length; i++) {
var value = options[dimensions[i]];
if (value && value != Infinity) {
wrapper.css(dimensions[i], value);
}
}
this._setElementMaxHeight();
if (width) {
if (width.toString().indexOf("%") > 0) {
wrapper.width(width);
} else {
wrapper.outerWidth(constrain(width, options.minWidth, options.maxWidth));
}
}
if (height) {
if (height.toString().indexOf("%") > 0) {
wrapper.height(height);
} else {
wrapper.outerHeight(constrain(height, options.minHeight, options.maxHeight));
}
this._setElementHeight();
}
if (sizeClass && SIZE[sizeClass]) {
wrapper.addClass(SIZE[sizeClass]);
}
},
_setElementMaxHeight: function() {
var that = this,
element = that.element,
maxHeight = that.options.maxHeight,
paddingBox,
elementMaxHeight;
if (maxHeight != Infinity) {
paddingBox = that._paddingBox(element);
elementMaxHeight = parseFloat(maxHeight, 10) - that._uiHeight() - paddingBox.vertical;
if (elementMaxHeight > 0) {
element.css({
maxHeight: ceil(elementMaxHeight) + "px"
});
}
}
},
_paddingBox: function(element) {
var paddingTop = parseFloat(element.css("padding-top"), 10),
paddingLeft = parseFloat(element.css("padding-left"), 10),
paddingBottom = parseFloat(element.css("padding-bottom"), 10),
paddingRight = parseFloat(element.css("padding-right"), 10);
return {
vertical: paddingTop + paddingBottom,
horizontal: paddingLeft + paddingRight
};
},
_setElementHeight: function() {
var that = this,
element = that.element,
height = that.options.height,
paddingBox = that._paddingBox(element),
elementHeight = parseFloat(height, 10) - that._uiHeight() - paddingBox.vertical;
if (elementHeight < 0) {
elementHeight = 0;
}
element.css({
height: ceil(elementHeight) + "px"
});
this._applyScrollClassName(element);
},
_applyScrollClassName: function(element) {
var hasScroll = element.get(0).scrollHeight > element.outerHeight();
if (hasScroll){
element.addClass(KSCROLL);
} else {
element.removeClass(KSCROLL);
}
},
_uiHeight: function() {
var that = this,
wrapper = that.wrapper,
actionbar = wrapper.children(KBUTTONGROUP),
actionbarHeight = actionbar[0] && actionbar[0].offsetHeight || 0,
titlebar = wrapper.children(KDIALOGTITLEBAR),
titlebarHeight = titlebar[0] && titlebar[0].offsetHeight || 0;
return actionbarHeight + titlebarHeight;
},
_overlay: function(visible) {
var overlay = this.appendTo.children(KOVERLAY),
wrapper = this.wrapper;
if (!overlay.length) {
overlay = $(templates.overlay);
}
overlay
.insertBefore(wrapper[0])
.toggle(visible)
.css(ZINDEX, parseInt(wrapper.css(ZINDEX), 10) - 1);
if (visible) {
this._waiAriaOverlay();
}
else {
this._removeWaiAriaOverlay();
}
if (this.options.modal.preventScroll) {
this._stopDocumentScrolling();
}
return overlay;
},
_waiAriaOverlay: function() {
var node = this.wrapper;
this._overlayedNodes = node.prevAll(overlaySelector).add(node.nextAll(overlaySelector))
.each(function() {
var jthis = $(this);
jthis.data("ariaHidden", jthis.attr("aria-hidden"));
jthis.attr("aria-hidden", "true");
});
},
_removeWaiAriaOverlay: function() {
return this._overlayedNodes && this._overlayedNodes.each(function() {
var node = $(this);
var hiddenValue = node.data("ariaHidden");
if (hiddenValue) {
node.attr("aria-hidden", hiddenValue);
}
else {
node.removeAttr("aria-hidden");
}
});
},
_closeClick: function(e) {
e.preventDefault();
this.close(false);
},
_closeKeyHandler: function(e) {
if (buttonKeyTrigger(e) || e.keyCode == keys.ESC) {
this.close(false);
}
},
_keydown: function(e) {
var that = this,
options = that.options,
keyCode = e.keyCode;
if (keyCode == keys.ESC && !that._closing && options.closable) {
that.close(false);
}
},
_createDialog: function() {
var that = this,
content = that.element,
options = that.options,
isRtl = kendo.support.isRtl(content),
titlebar = $(templates.titlebar(options)),
titleId = (content.id || kendo.guid()) + "_title",
wrapper = $(that.wrapperTemplate(options));
wrapper.toggleClass("k-rtl", isRtl);
content.addClass(KCONTENTCLASS);
that.appendTo.append(wrapper);
if (options.title !== false) {
wrapper.append(titlebar);
titlebar.attr("id", titleId);
wrapper.attr("aria-labelledby", titleId);
} else {
wrapper.addClass(KTITLELESS);
}
that._closable(wrapper);
wrapper.append(content);
if (options.content) {
kendo.destroy(content.children());
content.html(options.content);
}
if (options.actions.length) {
that._createActionbar(wrapper);
}
},
_closable: function (wrapper) {
var that = this;
var options = that.options;
var titlebar = wrapper.children(KDIALOGTITLEBAR);
var titlebarActions = titlebar.find(".k-window-actions");
var closeAction = titlebarActions.length ? titlebarActions.find(".k-dialog-close") : wrapper.find(".k-dialog-close");
closeAction.remove();
if (options.closable !== false) {
if (options.title !== false && titlebarActions.length) {
titlebarActions.append(templates.close(options));
}
else {
wrapper.prepend(templates.close(options));
}
wrapper.autoApplyNS(NS);
that.element.autoApplyNS(NS);
wrapper.find(KICONCLOSE)
.on("click", proxy(that._closeClick, that))
.on("keydown", proxy(that._closeKeyHandler, that));
that.element.on("keydown", proxy(that._keydown, that));
}
},
_createActionbar: function(wrapper) {
var isStretchedLayout = (this.options.buttonLayout === "stretched");
var buttonLayout = isStretchedLayout ? "stretched" : "normal";
var actionbar = $(templates.actionbar({ buttonLayout: buttonLayout }));
this._addButtons(actionbar);
if(isStretchedLayout && !CSSFLEXBOX) {
this._normalizeButtonSize(actionbar);
}
wrapper.append(actionbar);
},
_addButtons: function(actionbar) {
var that = this,
o = that.options,
actionClick = proxy(that._actionClick, that),
actionKeyHandler = proxy(that._actionKeyHandler, that),
actions = that.options.actions,
length = actions.length,
buttonSize = Math.round(HUNDREDPERCENT / length),
action,
text;
for (var i = 0; i < length; i++) {
action = actions[i];
text = that._mergeTextWithOptions(action);
var btn = $(templates.action(action))
.autoApplyNS(NS)
.html(text)
.appendTo(actionbar)
.data("action", action.action)
.on("click", actionClick)
.on("keydown", actionKeyHandler);
if (o.buttonLayout === "stretched" && !CSSFLEXBOX) {
if (i == length - 1) {
buttonSize = HUNDREDPERCENT - i*buttonSize;
}
btn.css(WIDTH, buttonSize + "%");
}
}
},
_mergeTextWithOptions : function(action) {
var text = action.text;
return text ? template(text)(this.options) : "";
},
_normalizeButtonSize: function(actionbar) {
var that = this,
options = that.options,
lastButton = actionbar.children(KBUTTON + ":last"),
currentSize = parseFloat(lastButton[0] ? lastButton[0].style[WIDTH] : 0),
difference = HUNDREDPERCENT - (options.actions.length * currentSize);
if (difference > 0) {
lastButton.css(WIDTH, (currentSize + difference) + "%");
}
},
_tabindex: function(target) {
var that = this;
var wrapper = that.wrapper;
var closeBtn = wrapper.find(KICONCLOSE);
var actionButtons = wrapper.find(KBUTTONGROUP + " " + KBUTTON);
Widget.fn._tabindex.call(this, target);
var tabIndex = target.attr("tabindex");
closeBtn.attr("tabIndex", tabIndex);
actionButtons.attr("tabIndex", tabIndex);
},
_actionClick: function(e) {
if (this.wrapper.is(VISIBLE)) {
this._runActionBtn(e.currentTarget);
}
},
_actionKeyHandler: function(e) {
if (buttonKeyTrigger(e)) {
this._runActionBtn(e.currentTarget);
} else if (e.keyCode == keys.ESC) {
this.close(false);
}
},
_runActionBtn: function(target) {
var that = this;
if (that._closing) {
return;
}
var action = $(target).data("action"),
preventClose = (isFunction(action) && action({ sender: that }) === false);
if (!preventClose) {
that.close(false);
}
},
_triggerOpen: function() {
var that = this;
var options = that.options;
var wrapper = that.wrapper;
that.toFront();
that._triggerInitOpen();
that.trigger(OPEN);
if (options.modal) {
that._overlay(wrapper.is(VISIBLE)).css({ opacity: 0.5 });
that._focusDialog();
}
},
open: function() {
var that = this,
wrapper = that.wrapper,
showOptions = this._animationOptions(OPEN),
options = that.options,
overlay, otherModalsVisible;
this._triggerInitOpen();
if (!that.trigger(OPEN)) {
if (that._closing) {
wrapper.kendoStop(true, true);
}
that._closing = false;
that.toFront();
options.visible = true;
if (options.modal) {
otherModalsVisible = !!that._modals().length;
overlay = that._overlay(otherModalsVisible);
overlay.kendoStop(true, true);
if (showOptions.duration && kendo.effects.Fade && !otherModalsVisible) {
var overlayFx = kendo.fx(overlay).fadeIn();
overlayFx.duration(showOptions.duration || 0);
overlayFx.endValue(0.5);
overlayFx.play();
} else {
overlay.css("opacity", 0.5);
}
overlay.show();
}
wrapper.show().kendoStop().kendoAnimate({
effects: showOptions.effects,
duration: showOptions.duration,
complete: proxy(that._openAnimationEnd, that)
});
wrapper.show();
}
return that;
},
_animationOptions: function(id) {
var animation = this.options.animation;
var basicAnimation = {
open: { effects: {} },
close: { hide: true, effects: {} }
};
return animation && animation[id] || basicAnimation[id];
},
_openAnimationEnd: function() {
if (this.options.modal) {
this._focusDialog();
}
this.trigger(SHOW);
},
_triggerInitOpen: function() {
if (!defined(this._initOpenTriggered)) {
this._initOpenTriggered = true;
this.trigger(INITOPEN);
}
},
toFront: function() {
var that = this,
wrapper = that.wrapper,
zIndex = +wrapper.css(ZINDEX),
originalZIndex = zIndex;
that.center();
$(KWINDOW).each(function(i, element) {
var windowObject = $(element),
zIndexNew = windowObject.css(ZINDEX);
if (!isNaN(zIndexNew)) {
zIndex = Math.max(+zIndexNew, zIndex);
}
});
if (!wrapper[0].style.zIndex || originalZIndex < zIndex) {
wrapper.css(ZINDEX, zIndex + 2);
}
that.element.find("> .k-overlay").remove();
wrapper = null;
return that;
},
close: function(systemTriggered) {
if(!arguments.length) {
systemTriggered = true;
}
this._close(systemTriggered);
this._stopCenterOnResize();
return this;
},
_close: function(systemTriggered) {
var that = this,
wrapper = that.wrapper,
options = that.options,
showOptions = this._animationOptions("open"),
hideOptions = this._animationOptions("close");
if (wrapper.is(VISIBLE) && !that.trigger(CLOSE, { userTriggered: !systemTriggered })) {
if (that._closing) {
return;
}
that._closing = true;
options.visible = false;
this._removeOverlay();
wrapper.kendoStop().kendoAnimate({
effects: hideOptions.effects || showOptions.effects,
reverse: hideOptions.reverse === true,
duration: hideOptions.duration,
complete: proxy(this._closeAnimationEnd, this)
});
}
return that;
},
center: function() {
this._center();
this._centerOnResize();
},
_center: function() {
var that = this,
wrapper = that.wrapper,
documentWindow = $(window),
scrollTop = 0,
scrollLeft = 0,
newLeft = scrollLeft + Math.max(0, (documentWindow.width() - wrapper.width()) / 2),
newTop = scrollTop + Math.max(0, (documentWindow.height() - wrapper.height() - parseInt(wrapper.css("paddingTop"), 10)) / 2);
wrapper.css({
left: newLeft,
top: newTop
});
return that;
},
_centerOnResize: function() {
if (this._trackResize) {
return;
}
kendo.onResize(this._centerCallback);
this._trackResize = true;
},
_stopCenterOnResize: function() {
kendo.unbindResize(this._centerCallback);
this._trackResize = false;
},
_removeOverlay: function() {
var modals = this._modals();
var options = this.options;
var hideOverlay = options.modal && !modals.length;
if (hideOverlay) {
this._overlay(false).remove();
if (options.modal.preventScroll) {
this._enableDocumentScrolling();
}
} else if (modals.length) {
this._object(modals.last())._overlay(true);
if (options.modal.preventScroll) {
this._stopDocumentScrolling();
}
}
},
_stopDocumentScrolling: function(){
var that = this;
var $body = $("body");
that._storeOverflowRule($body);
$body.css(OVERFLOW, HIDDEN);
var $html = $("html");
var html = $html[0];
that._storeOverflowRule($html);
$html.css(OVERFLOW, HIDDEN);
// prevent touch due to bug in ios
if (kendo.support.mobileOS.ios) {
html.addEventListener(TOUCHSTART, that._touchStart, { passive: false });
html.addEventListener(TOUCHMOVE, that._touchMove, { passive: false });
}
},
_touchStart: function (e) {
$(this).data(DATAHTMLTAPYRULE, e.changedTouches[0].pageY);
},
_touchMove: function (e) {
var target = e.target;
var $target = $(e.target);
var upScroll = e.changedTouches[0].pageY - $(this).data(DATAHTMLTAPYRULE) > 0;
var preventYScroll = $target.is(KCONTENTSELECTOR) &&
(upScroll && $target.scrollTop() === 0) ||
(!upScroll && $target.scrollTop() === target.scrollHeight - target.clientHeight);
if (!$target.is(KCONTENTSELECTOR) || preventYScroll) {
e.preventDefault();
}
},
_enableDocumentScrolling: function(){
var that = this;
var $body = $(document.body);
var $html = $("html");
var html = $html[0];
that._restoreOverflowRule($body);
that._restoreOverflowRule($html);
if (kendo.support.mobileOS.ios) {
$html.removeData(DATAHTMLTAPYRULE);
html.removeEventListener(TOUCHSTART, that._touchStart, { passive: false });
html.removeEventListener(TOUCHMOVE, that._touchMove, { passive: false });
}
},
_storeOverflowRule: function($element){
if(this._isOverflowStored($element)){
return;
}
var overflowRule = $element.get(0).style.overflow;
if(typeof overflowRule === "string"){
$element.data(DATADOCOVERFLOWRULE, overflowRule);
}
},
_isOverflowStored: function ($element){
return typeof $element.data(DATADOCOVERFLOWRULE) === "string";
},
_restoreOverflowRule: function($element){
var overflowRule = $element.data(DATADOCOVERFLOWRULE);
if(overflowRule !== null && overflowRule !== undefined){
$element.css(OVERFLOW, overflowRule);
$element.removeData(DATADOCOVERFLOWRULE);
} else {
$element.css(OVERFLOW, "");
}
},
_closeAnimationEnd: function() {
var that = this;
that._closing = false;
that.wrapper.hide().css("opacity", "");
that.trigger(HIDE);
if (that.options.modal) {
var lastModal = that._object(that._modals().last());
if (lastModal) {
lastModal.toFront();
}
}
},
_modals: function() {
var that = this;
var zStack = $(KWINDOW).filter(function() {
var dom = $(this);
var object = that._object(dom);
var options = object && object.options;
return options && options.modal && that.options.appendTo == options.appendTo && options.visible && dom.is(VISIBLE);
}).sort(function(a, b) {
return +$(a).css("zIndex") - +$(b).css("zIndex");
});
that = null;
return zStack;
},
_object: function(element) {
var content = element.children(KCONTENT);
var widget = kendo.widgetInstance(content);
if (widget) {
return widget;
}
return undefined;
},
destroy: function() {
var that = this;
that._destroy();
Widget.fn.destroy.call(that);
that.wrapper.remove();
that.wrapper = that.element = $();
},
_destroy: function() {
var that = this;
var ns = "." + NS;
that.wrapper.off(ns);
that.element.off(ns);
that.wrapper.find(KICONCLOSE + "," + KBUTTONGROUP + " > " + KBUTTON).off(ns);
that._stopCenterOnResize();
},
title: function(html) {
var that = this,
wrapper = that.wrapper,
options = that.options,
titlebar = wrapper.children(KDIALOGTITLEBAR),
title = titlebar.children(KDIALOGTITLE),
encodedHtml = kendo.htmlEncode(html);
if (!arguments.length) {
return title.html();
}
if (html === false) {
titlebar.remove();
wrapper.addClass(KTITLELESS);
} else {
if (!titlebar.length) {
titlebar = $(templates.titlebar(options)).prependTo(wrapper);
title = titlebar.children(KDIALOGTITLE);
wrapper.removeClass(KTITLELESS);
}
title.html(encodedHtml);
}
that.options.title = encodedHtml;
return that;
},
content: function(html, data) {
var that = this,
content = that.wrapper.children(KCONTENT);
if (!defined(html)) {
return content.html();
}
this.angular("cleanup", function(){
return { elements: content.children() };
});
kendo.destroy(content.children());
content.html(html);
this.angular("compile", function(){
var a = [];
for (var i = content.length; --i >= 0;) {
a.push({ dataItem: data });
}
return {
elements: content.children(),
data: a
};
});
that.options.content = html;
return that;
},
_focusDialog: function() {
if (this._defaultFocus) {
this._focus(this._defaultFocus);
}
this._tabKeyTrap.trap();
},
_focus: function(node) {
if (node) {
node.focus();
}
},
events: [
INITOPEN,
OPEN,
CLOSE,
SHOW,
HIDE
],
options: {
title: "",
buttonLayout: "stretched",
actions: [],
modal: true,
size: "auto",
width: null,
height: null,
minWidth: 0,
minHeight: 0,
maxWidth: Infinity,
maxHeight: Infinity,
content: null,
visible: null,
appendTo: BODY,
closable: true
}
});
var Dialog = DialogBase.extend({
options: {
name: "Dialog",
messages: {
close: "Close"
}
}
});
kendo.ui.plugin(Dialog);
var PopupBox = DialogBase.extend({
_init: function(element, options) {
var that = this;
that.wrapperTemplate = templates.alertWrapper;
options._defaultFocus = null;
that._ensureContentId(element);
DialogBase.fn._init.call(that, element, options);
that.bind(HIDE, proxy(that.destroy, that));
that._ariaDescribedBy();
that._initFocus();
},
_ensureContentId: function(element) {
var node = $(element);
if(!node.attr("id")) {
node.attr("id", kendo.guid() + "_k-popup");
}
},
_ariaDescribedBy: function() {
this.wrapper.attr("aria-describedby", this.element.attr("id"));
},