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intercooler.js
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intercooler.js
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////////////////////////////////////
/**
* Intercooler.js - there is no need to be upset.
*/
var Intercooler = Intercooler || (function() {
'use strict'; // inside function for better merging
// work around zepto build issue TODO - fix me
if((typeof Zepto !== "undefined") && ($ == null)) {
window["$"] = Zepto
}
//--------------------------------------------------
// Vars
//--------------------------------------------------
var USE_DATA = $('meta[name="intercoolerjs:use-data-prefix"]').attr("content") == "true";
var USE_ACTUAL_HTTP_METHOD = $('meta[name="intercoolerjs:use-actual-http-method"]').attr("content") == "true";
var _MACROS = $.map(['ic-get-from', 'ic-post-to', 'ic-put-to', 'ic-patch-to', 'ic-delete-from',
'ic-style-src', 'ic-attr-src', 'ic-prepend-from', 'ic-append-from', 'ic-action'],
function(elt){ return fixICAttributeName(elt) });
var _scrollHandler = null;
var _UUID = 1;
var _readyHandlers = [];
var _isDependentFunction = function(src, dest) {
if (!src || !dest) {
return false;
}
// For two urls to be considered dependant, either one must contain all
// of the path arguments the other has, like so:
// - chomp off everything after ? or #. This is a design decision, so this
// function will fail to determine dependencies for sites that store
// their model IDs in query/hash params. If your usecase is not covered
// by this you need to implement this function yourself by overriding
// Intercooler.setIsDependentFunction(function(src, dest) { return bool; });
// - split by / to get the individual path elements, clear out empty values,
// then simply compare them
var asrc = src.split(/[\?#]/, 1)[0].split("/").filter(function(e) {
return e != "";
});
var adest = dest.split(/[\?#]/, 1)[0].split("/").filter(function(e) {
return e != "";
});
// ignore purely local tags (local transport)
if (asrc == "" || adest == "") {
return false;
}
return adest.slice(0, asrc.length).join("/") == asrc.join("/") ||
asrc.slice(0, adest.length).join("/") == adest.join("/");
};
//============================================================
// Base Swap Definitions
//============================================================
function remove(elt) {
elt.remove();
}
function showIndicator(elt) {
if (elt.closest('.ic-use-transition').length > 0) {
elt.data('ic-use-transition', true);
elt.removeClass('ic-use-transition');
} else {
elt.show();
}
}
function hideIndicator(elt) {
if (elt.data('ic-use-transition') || elt.data('ic-indicator-cleared')) {
elt.data('ic-use-transition', null);
elt.addClass('ic-use-transition');
elt.data('ic-indicator-cleared', true);
} else {
elt.hide();
}
}
function fixICAttributeName(s) {
if (USE_DATA) {
return 'data-' + s;
} else {
return s;
}
}
function getICAttribute(element, attributeName) {
return element.attr(fixICAttributeName(attributeName));
}
function setICAttribute(element, attributeName, attributeValue) {
element.attr(fixICAttributeName(attributeName), attributeValue);
}
function prepend(parent, responseContent) {
try {
parent.prepend(responseContent);
} catch (e) {
log(parent, formatError(e), "ERROR");
}
if (getICAttribute(parent, 'ic-limit-children')) {
var limit = parseInt(getICAttribute(parent, 'ic-limit-children'));
if (parent.children().length > limit) {
parent.children().slice(limit, parent.children().length).remove();
}
}
}
function append(parent, responseContent) {
try {
parent.append(responseContent);
} catch (e) {
log(parent, formatError(e), "ERROR");
}
if (getICAttribute(parent, 'ic-limit-children')) {
var limit = parseInt(getICAttribute(parent, 'ic-limit-children'));
if (parent.children().length > limit) {
parent.children().slice(0, parent.children().length - limit).remove();
}
}
}
//============================================================
// Utility Methods
//============================================================
function triggerEvent(elt, event, args){
if($.zepto) {
event = event.split(".").reverse().join(":");
}
elt.trigger(event, args);
}
function log(elt, msg, level) {
if (elt == null) {
elt = $('body');
}
triggerEvent(elt, "log.ic", [msg, level, elt]);
if (level == "ERROR") {
if (window.console) {
window.console.log("Intercooler Error : " + msg);
}
var errorUrl = closestAttrValue($('body'), 'ic-post-errors-to');
if (errorUrl) {
$.post(errorUrl, {'error': msg});
}
}
}
function uuid() {
return _UUID++;
}
function icSelectorFor(elt) {
return getICAttributeSelector("ic-id='" + getIntercoolerId(elt) + "'");
}
function parseInterval(str) {
log(null, "POLL: Parsing interval string " + str, 'DEBUG');
if (str == "null" || str == "false" || str == "") {
return null;
} else if (str.lastIndexOf("ms") == str.length - 2) {
return parseFloat(str.substr(0, str.length - 2));
} else if (str.lastIndexOf("s") == str.length - 1) {
return parseFloat(str.substr(0, str.length - 1)) * 1000;
} else {
return 1000;
}
}
function getICAttributeSelector(attribute) {
return "[" + fixICAttributeName(attribute) + "]";
}
function initScrollHandler() {
if (_scrollHandler == null) {
_scrollHandler = function() {
$(getICAttributeSelector("ic-trigger-on='scrolled-into-view'")).each(function() {
var _this = $(this);
if (isScrolledIntoView(getTriggeredElement(_this)) && _this.data('ic-scrolled-into-view-loaded') != true) {
_this.data('ic-scrolled-into-view-loaded', true);
fireICRequest(_this);
}
});
};
$(window).scroll(_scrollHandler);
}
}
function currentUrl() {
return window.location.pathname + window.location.search + window.location.hash;
}
// taken from turbolinks.js
function createDocument(html) {
var doc = null;
if (/<(html|body)/i.test(html)) {
doc = document.documentElement.cloneNode();
doc.innerHTML = html;
} else {
doc = document.documentElement.cloneNode(true);
doc.querySelector('body').innerHTML = html;
}
return $(doc);
}
//============================================================
// Request/Parameter/Include Processing
//============================================================
function getTarget(elt) {
return getTargetImpl(elt, 'ic-target')
}
function getTargetImpl(elt, attibuteName) {
var closest = $(elt).closest(getICAttributeSelector(attibuteName));
var targetValue = getICAttribute(closest, attibuteName);
if (targetValue == 'this') {
return closest;
} else if (targetValue && targetValue.indexOf('this.') != 0) {
if (targetValue.indexOf('closest ') == 0) {
return elt.closest(targetValue.substr(8));
} else if (targetValue.indexOf('find ') == 0) {
return elt.find(targetValue.substr(5));
} else {
return $(targetValue);
}
} else {
return elt;
}
}
function processHeaders(elt, xhr) {
elt = $(elt);
triggerEvent(elt, "beforeHeaders.ic", [elt, xhr]);
log(elt, "response headers: " + xhr.getAllResponseHeaders(), "DEBUG");
var target = null;
// set page title by header
if (xhr.getResponseHeader("X-IC-Title")) {
document.title = xhr.getResponseHeader("X-IC-Title");
}
if (xhr.getResponseHeader("X-IC-Title-Encoded")) {
var decodedTitle = decodeURIComponent((xhr.getResponseHeader("X-IC-Title-Encoded")).replace(/\+/g, '%20'));
document.title = decodedTitle;
}
if (xhr.getResponseHeader("X-IC-Refresh")) {
var pathsToRefresh = xhr.getResponseHeader("X-IC-Refresh").split(",");
log(elt, "X-IC-Refresh: refreshing " + pathsToRefresh, "DEBUG");
$.each(pathsToRefresh, function(i, str) {
refreshDependencies(str.replace(/ /g, ""), elt);
});
}
if (xhr.getResponseHeader("X-IC-Script")) {
log(elt, "X-IC-Script: evaling " + xhr.getResponseHeader("X-IC-Script"), "DEBUG");
globalEval(xhr.getResponseHeader("X-IC-Script"), [["elt", elt]]);
}
if (xhr.getResponseHeader("X-IC-Redirect")) {
log(elt, "X-IC-Redirect: redirecting to " + xhr.getResponseHeader("X-IC-Redirect"), "DEBUG");
window.location = xhr.getResponseHeader("X-IC-Redirect");
}
if (xhr.getResponseHeader("X-IC-CancelPolling") == "true") {
cancelPolling(elt.closest(getICAttributeSelector('ic-poll')));
}
if (xhr.getResponseHeader("X-IC-ResumePolling") == "true") {
var pollingElt = elt.closest(getICAttributeSelector('ic-poll'));
setICAttribute(pollingElt, 'ic-pause-polling', null);
startPolling(pollingElt);
}
if (xhr.getResponseHeader("X-IC-SetPollInterval")) {
var pollingElt = elt.closest(getICAttributeSelector('ic-poll'));
cancelPolling(pollingElt);
setICAttribute(pollingElt, 'ic-poll', xhr.getResponseHeader("X-IC-SetPollInterval"));
startPolling(pollingElt);
}
if (xhr.getResponseHeader("X-IC-Open")) {
log(elt, "X-IC-Open: opening " + xhr.getResponseHeader("X-IC-Open"), "DEBUG");
window.open(xhr.getResponseHeader("X-IC-Open"));
}
var triggerValue = xhr.getResponseHeader("X-IC-Trigger");
if (triggerValue) {
log(elt, "X-IC-Trigger: found trigger " + triggerValue, "DEBUG");
target = getTarget(elt);
// Deprecated API
if (xhr.getResponseHeader("X-IC-Trigger-Data")) {
var triggerArgs = $.parseJSON(xhr.getResponseHeader("X-IC-Trigger-Data"));
triggerEvent(target, triggerValue, triggerArgs);
} else {
if (triggerValue.indexOf("{") >= 0) {
$.each($.parseJSON(triggerValue), function(event, args) {
triggerEvent(target, event, args);
});
} else {
triggerEvent(target, triggerValue, []);
}
}
}
var localVars = xhr.getResponseHeader("X-IC-Set-Local-Vars");
if (localVars) {
$.each($.parseJSON(localVars), function(key, val) {
localStorage.setItem(key, val);
});
}
if (xhr.getResponseHeader("X-IC-Remove")) {
if (elt) {
var removeVal = xhr.getResponseHeader("X-IC-Remove");
removeVal += ''; // normalize as string for zapto
var removeValAsInterval = parseInterval(removeVal);
log(elt, "X-IC-Remove header found.", "DEBUG");
target = getTarget(elt);
if(removeVal == "true" || removeValAsInterval == null) {
remove(target);
} else {
target.addClass('ic-removing');
setTimeout(function () {
remove(target);
}, removeValAsInterval);
}
}
}
triggerEvent(elt, "afterHeaders.ic", [elt, xhr]);
return true;
}
function beforeRequest(elt) {
elt.addClass('disabled');
elt.addClass('ic-request-in-flight');
elt.data('ic-request-in-flight', true);
}
function requestCleanup(indicator, globalIndicator, elt) {
if (indicator.length > 0) {
hideIndicator(indicator);
}
if (globalIndicator.length > 0) {
hideIndicator(globalIndicator);
}
elt.removeClass('disabled');
elt.removeClass('ic-request-in-flight');
elt.data('ic-request-in-flight', false);
if (elt.data('ic-next-request')) {
elt.data('ic-next-request')["req"]();
elt.data('ic-next-request', null);
}
}
function replaceOrAddMethod(data, actualMethod) {
if ($.type(data) === "string") {
var regex = /(&|^)_method=[^&]*/;
var content = "&_method=" + actualMethod;
if (regex.test(data)) {
return data.replace(regex, content)
} else {
return data + content;
}
} else {
data.append("_method", actualMethod);
return data;
}
}
/*
Is the provided text a valid JavaScript identifier path?
We should also probably check if an identifier is a JavaScript keyword here.
*/
function isIdentifier(txt) {
return /^[$A-Z_][0-9A-Z_$]*$/i.test(txt);
}
/*
Evaluate a script snippet provided by the user.
script: A string. If this is an identifier, it is assumed to be a callable, retrieved from the
global namespace, and called. If it is a compound statement, it is evaluated using eval.
args: A list of [name, value] tuples. These will be injected into the namespace of evaluated
scripts, and be passed as arguments to safe evaluations.
*/
// It would be nice to use the spread operator here globalEval(script, ...args) - but it breaks
// uglify and isn't supported in some older browsers.
function globalEval(script, args) {
var names = [];
var values = [];
if (args) {
for (var i = 0; i < args.length; i++) {
names.push(args[i][0]);
values.push(args[i][1]);
}
}
if (isIdentifier(script)) {
return window[script].apply(this, values);
} else {
var outerfunc = window["eval"].call(
window,
'(function (' + names.join(", ") + ') {' + script + '})'
);
return outerfunc.apply(this, values);
}
}
function closestAttrValue(elt, attr) {
var closestElt = $(elt).closest(getICAttributeSelector(attr));
if (closestElt.length > 0) {
return getICAttribute(closestElt, attr);
} else {
return null;
}
}
function formatError(e) {
var msg = e.toString() + "\n";
try {
msg += e.stack;
} catch (e) {
// ignore
}
return msg;
}
function getLocalURL(baseURL, paramsToPush, data) {
if (paramsToPush) {
baseURL = baseURL + "?";
var vars = {};
data.replace(/([^=&]+)=([^&]*)/gi, function(m,key,value) {
vars[key] = value;
});
$(paramsToPush.split(",")).each(function(index) {
var param = $.trim(this);
var value = vars[param] || "";
baseURL += (index == 0) ? "" : "&";
baseURL += param + "=" + value;
});
}
return baseURL;
}
function handleRemoteRequest(elt, type, url, data, success) {
beforeRequest(elt);
data = replaceOrAddMethod(data, type);
// Global spinner support
var globalIndicator = findGlobalIndicator(elt);
if (globalIndicator && globalIndicator.length > 0) {
showIndicator(globalIndicator);
}
// Spinner support
var indicator = findIndicator(elt);
if (indicator.length > 0) {
showIndicator(indicator);
}
var requestId = uuid();
var requestStart = new Date();
var actualRequestType;
if(USE_ACTUAL_HTTP_METHOD) {
actualRequestType = type;
} else {
actualRequestType = type == 'GET' ? 'GET' : 'POST';
}
var ajaxSetup = {
type: actualRequestType,
url: url,
data: data,
dataType: 'text',
headers: {
"Accept": "text/html-partial, */*; q=0.9",
"X-IC-Request": true,
"X-HTTP-Method-Override": type
},
beforeSend: function(xhr, settings) {
triggerEvent(elt, "beforeSend.ic", [elt, data, settings, xhr, requestId]);
log(elt, "before AJAX request " + requestId + ": " + type + " to " + url, "DEBUG");
var onBeforeSend = closestAttrValue(elt, 'ic-on-beforeSend');
if (onBeforeSend) {
globalEval(onBeforeSend, [["elt", elt], ["data", data], ["settings", settings], ["xhr", xhr]]);
}
maybeInvokeLocalAction(elt, "-beforeSend");
},
success: function(responseData, textStatus, xhr) {
triggerEvent(elt, "success.ic", [elt, responseData, textStatus, xhr, requestId]);
log(elt, "AJAX request " + requestId + " was successful.", "DEBUG");
var onSuccess = closestAttrValue(elt, 'ic-on-success');
if (onSuccess) {
if (globalEval(onSuccess, [["elt", elt], ["data", responseData], ["textStatus", textStatus], ["xhr", xhr]]) == false) {
return;
}
}
var beforeHeaders = new Date();
var oldTitle = document.title;
try {
if (processHeaders(elt, xhr)) {
log(elt, "Processed headers for request " + requestId + " in " + (new Date() - beforeHeaders) + "ms", "DEBUG");
var beforeSuccess = new Date();
if (xhr.getResponseHeader("X-IC-PushURL") || closestAttrValue(elt, 'ic-push-url') == "true") {
try {
requestCleanup(indicator, globalIndicator, elt); // clean up before snap-shotting HTML
var baseURL = closestAttrValue(elt, 'ic-src');
var paramsToPush = closestAttrValue(elt, 'ic-push-params');
var newUrl = xhr.getResponseHeader("X-IC-PushURL") || getLocalURL(baseURL, paramsToPush, data);
if(_history) {
_history.snapshotForHistory(newUrl, oldTitle);
} else {
throw "History support not enabled";
}
} catch (e) {
log(elt, "Error during history snapshot for " + requestId + ": " + formatError(e), "ERROR");
}
}
success(responseData, textStatus, elt, xhr);
log(elt, "Process content for request " + requestId + " in " + (new Date() - beforeSuccess) + "ms", "DEBUG");
}
triggerEvent(elt, "after.success.ic", [elt, responseData, textStatus, xhr, requestId]);
maybeInvokeLocalAction(elt, "-success");
} catch (e) {
log(elt, "Error processing successful request " + requestId + " : " + formatError(e), "ERROR");
}
},
error: function(xhr, status, str) {
triggerEvent(elt, "error.ic", [elt, status, str, xhr]);
var onError = closestAttrValue(elt, 'ic-on-error');
if (onError) {
globalEval(onError, [["elt", elt], ["status", status], ["str", str], ["xhr", xhr]]);
}
processHeaders(elt, xhr);
maybeInvokeLocalAction(elt, "-error");
log(elt, "AJAX request " + requestId + " to " + url + " experienced an error: " + str, "ERROR");
},
complete: function(xhr, status) {
log(elt, "AJAX request " + requestId + " completed in " + (new Date() - requestStart) + "ms", "DEBUG");
requestCleanup(indicator, globalIndicator, elt);
try {
if ($.contains(document, elt[0])) {
triggerEvent(elt, "complete.ic", [elt, data, status, xhr, requestId]);
} else {
triggerEvent($('body'), "complete.ic", [elt, data, status, xhr, requestId]);
}
} catch (e) {
log(elt, "Error during complete.ic event for " + requestId + " : " + formatError(e), "ERROR");
}
var onComplete = closestAttrValue(elt, 'ic-on-complete');
if (onComplete) {
globalEval(onComplete, [["elt", elt], ["xhr", xhr], ["status", status]]);
}
maybeInvokeLocalAction(elt, "-complete");
}
};
if ($.type(data) != "string") {
ajaxSetup.dataType = null;
ajaxSetup.processData = false;
ajaxSetup.contentType = false;
}
triggerEvent($(document), "beforeAjaxSend.ic", [ajaxSetup, elt]);
if(ajaxSetup.cancel) {
requestCleanup(indicator, globalIndicator, elt);
} else {
$.ajax(ajaxSetup)
}
}
function findGlobalIndicator(elt) {
var indicator = $([]);
elt = $(elt);
var attr = closestAttrValue(elt, 'ic-global-indicator');
if (attr && attr !== "false") {
indicator = $(attr).first();
}
return indicator;
}
function findIndicator(elt) {
var indicator = $([]);
elt = $(elt);
if (getICAttribute(elt, 'ic-indicator')) {
indicator = $(getICAttribute(elt, 'ic-indicator')).first();
} else {
indicator = elt.find(".ic-indicator").first();
if (indicator.length == 0) {
var parent = closestAttrValue(elt, 'ic-indicator');
if (parent) {
indicator = $(parent).first();
} else {
if (elt.next().is('.ic-indicator')) {
indicator = elt.next();
}
}
}
}
return indicator;
}
function processIncludes(data, str) {
if ($.trim(str).indexOf("{") == 0) {
var obj = $.parseJSON(str);
$.each(obj, function(name, value) {
data = appendData(data, name, value);
});
} else {
$(str).each(function() {
var obj = $(this).serializeArray();
$.each(obj, function(i, input) {
data = appendData(data, input.name, input.value);
});
});
}
return data;
}
function processLocalVars(data, str) {
$(str.split(",")).each(function() {
var key = $.trim(this);
var item = localStorage.getItem(key);
if(item) {
data = appendData(data, key, item);
}
});
return data;
}
function appendData(data, key, value) {
if ($.type(data) === "string") {
if($.type(value) !== "string") {
value = JSON.stringify(value);
}
return data + "&" + key + "=" + encodeURIComponent(value);
} else {
data.append(key, value);
return data;
}
}
function getParametersForElement(verb, elt, triggerOrigin) {
var target = getTarget(elt);
var data = null;
if (elt.is('form') && elt.attr('enctype') == 'multipart/form-data') {
data = new FormData(elt[0]);
data = appendData(data, 'ic-request', true);
} else {
data = "ic-request=true";
// if the element is in a form, include the entire form
var closestForm = elt.closest('form');
if (elt.is('form') || (verb != "GET" && closestForm.length > 0)) {
data += "&" + closestForm.serialize();
// include data from a focused button (to capture clicked button value)
var buttonData = elt.data('ic-last-clicked-button');
if(buttonData) {
data = appendData(data, buttonData.name, buttonData.value);
}
} else { // otherwise include the element
data += "&" + elt.serialize();
}
}
var promptText = closestAttrValue(elt, 'ic-prompt');
if (promptText) {
var promptVal = prompt(promptText);
if (promptVal) {
var promptParamName = closestAttrValue(elt, 'ic-prompt-name') || 'ic-prompt-value';
data = appendData(data, promptParamName, promptVal);
} else {
return null;
}
}
if (elt.attr('id')) {
data = appendData(data, 'ic-element-id', elt.attr('id'));
}
if (elt.attr('name')) {
data = appendData(data, 'ic-element-name', elt.attr('name'));
}
if (getICAttribute(target, 'ic-id')) {
data = appendData(data, 'ic-id', getICAttribute(target, 'ic-id'));
}
if (target.attr('id')) {
data = appendData(data, 'ic-target-id', target.attr('id'));
}
if (triggerOrigin && triggerOrigin.attr('id')) {
data = appendData(data, 'ic-trigger-id', triggerOrigin.attr('id'));
}
if (triggerOrigin && triggerOrigin.attr('name')) {
data = appendData(data, 'ic-trigger-name', triggerOrigin.attr('name'));
}
var includeAttr = closestAttrValue(elt, 'ic-include');
if (includeAttr) {
data = processIncludes(data, includeAttr);
}
var localVars = closestAttrValue(elt, 'ic-local-vars');
if (localVars) {
data = processLocalVars(data, localVars);
}
$(getICAttributeSelector('ic-global-include')).each(function() {
data = processIncludes(data, getICAttribute($(this), 'ic-global-include'));
});
data = appendData(data, 'ic-current-url', currentUrl());
var selectFromResp = closestAttrValue(elt, 'ic-select-from-response');
if(selectFromResp) {
data = appendData(data, 'ic-select-from-response', selectFromResp);
}
log(elt, "request parameters " + data, "DEBUG");
return data;
}
function maybeSetIntercoolerInfo(elt) {
var target = getTarget(elt);
getIntercoolerId(target);
if (elt.data('elementAdded.ic') != true) {
elt.data('elementAdded.ic', true);
triggerEvent(elt, "elementAdded.ic");
}
}
function getIntercoolerId(elt) {
if (!getICAttribute(elt, 'ic-id')) {
setICAttribute(elt, 'ic-id', uuid());
}
return getICAttribute(elt, 'ic-id');
}
//============================================================
// Tree Processing
//============================================================
function processNodes(elt) {
elt = $(elt);
if (elt.length > 1) {
elt.each(function() {
processNodes(this);
});
} else {
processMacros(elt);
processEnhancement(elt);
processSources(elt);
processPolling(elt);
processEventSources(elt);
processTriggerOn(elt);
processRemoveAfter(elt);
processAddClasses(elt);
processRemoveClasses(elt);
}
}
function fireReadyStuff(elt) {
triggerEvent(elt, 'nodesProcessed.ic');
$.each(_readyHandlers, function(i, handler) {
try {
handler(elt);
} catch (e) {
log(elt, formatError(e), "ERROR");
}
});
}
function autoFocus(elt) {
elt.find('[autofocus]').last().focus();
}
function processMacros(elt) {
$.each(_MACROS, function(i, macro) {
if (elt.closest('.ic-ignore').length == 0) {
if (elt.is('[' + macro + ']')) {
processMacro(macro, elt);
}
elt.find('[' + macro + ']').each(function() {
var _this = $(this);
if (_this.closest('.ic-ignore').length == 0) {
processMacro(macro, _this);
}
});
}
});
}
function processSources(elt) {
if (elt.closest('.ic-ignore').length == 0) {
if (elt.is(getICAttributeSelector("ic-src"))) {
maybeSetIntercoolerInfo(elt);
}
elt.find(getICAttributeSelector("ic-src")).each(function() {
var _this = $(this);
if (_this.closest('.ic-ignore').length == 0) {
maybeSetIntercoolerInfo(_this);
}
});
}
}
function processPolling(elt) {
if (elt.closest('.ic-ignore').length == 0) {
if (elt.is(getICAttributeSelector("ic-poll"))) {
maybeSetIntercoolerInfo(elt);
startPolling(elt);
}
elt.find(getICAttributeSelector("ic-poll")).each(function() {
var _this = $(this);
if (_this.closest('.ic-ignore').length == 0) {
maybeSetIntercoolerInfo(_this);
startPolling(_this);
}
});
}
}
function processTriggerOn(elt) {
if (elt.closest('.ic-ignore').length == 0) {
handleTriggerOn(elt);
elt.find(getICAttributeSelector('ic-trigger-on')).each(function() {
var _this = $(this);
if (_this.closest('.ic-ignore').length == 0) {
handleTriggerOn(_this);
}
});
}
}
function processRemoveAfter(elt) {
if (elt.closest('.ic-ignore').length == 0) {
handleRemoveAfter(elt);
elt.find(getICAttributeSelector('ic-remove-after')).each(function() {
var _this = $(this);
if (_this.closest('.ic-ignore').length == 0) {
handleRemoveAfter(_this);
}
});
}
}
function processAddClasses(elt) {
if (elt.closest('.ic-ignore').length == 0) {
handleAddClasses(elt);
elt.find(getICAttributeSelector('ic-add-class')).each(function() {
var _this = $(this);
if (_this.closest('.ic-ignore').length == 0) {
handleAddClasses(_this);
}
});
}
}
function processRemoveClasses(elt) {
if (elt.closest('.ic-ignore').length == 0) {
handleRemoveClasses(elt);
elt.find(getICAttributeSelector('ic-remove-class')).each(function() {
var _this = $(this);
if (_this.closest('.ic-ignore').length == 0) {
handleRemoveClasses(_this);
}
});
}
}
function processEnhancement(elt) {
if (elt.closest('.ic-ignore').length == 0) {
if(closestAttrValue(elt, 'ic-enhance') === 'true') {
enhanceDomTree(elt);
} else {
elt.find(getICAttributeSelector('ic-enhance')).each(function(){
enhanceDomTree($(this));
});
}
}
}
function processEventSources(elt) {
if (elt.closest('.ic-ignore').length == 0) {
handleEventSource(elt);
elt.find(getICAttributeSelector('ic-sse-src')).each(function() {
var _this = $(this);
if (_this.closest('.ic-ignore').length == 0) {
handleEventSource(_this);
}
});
}
}
//============================================================
// Polling support
//============================================================
function startPolling(elt) {
if (elt.data('ic-poll-interval-id') == null && getICAttribute(elt, 'ic-pause-polling') != 'true') {
var interval = parseInterval(getICAttribute(elt, 'ic-poll'));
if (interval != null) {
var selector = icSelectorFor(elt);
var repeats = parseInt(getICAttribute(elt, 'ic-poll-repeats')) || -1;
var currentIteration = 0;
log(elt, "POLL: Starting poll for element " + selector, "DEBUG");
var timerId = setInterval(function() {
var target = $(selector);
triggerEvent(elt, "onPoll.ic", target);
if ((target.length == 0) || (currentIteration == repeats) || elt.data('ic-poll-interval-id') != timerId) {
log(elt, "POLL: Clearing poll for element " + selector, "DEBUG");
clearTimeout(timerId);
} else {
fireICRequest(target);
}
currentIteration++;
}, interval);
elt.data('ic-poll-interval-id', timerId);
}
}
}
function cancelPolling(elt) {
if (elt.data('ic-poll-interval-id') != null) {
clearTimeout(elt.data('ic-poll-interval-id'));
elt.data('ic-poll-interval-id', null);
}
}
//============================================================----
// Dependency support
//============================================================----
function refreshDependencies(dest, src) {
log(src, "refreshing dependencies for path " + dest, "DEBUG");
$(getICAttributeSelector('ic-src')).each(function() {
var fired = false;
var _this = $(this);
if (verbFor(_this) == "GET" && getICAttribute(_this, 'ic-deps') != 'ignore' ) {
if (isDependent(dest, getICAttribute(_this, 'ic-src'))) {
if (src == null || $(src)[0] != _this[0]) {
fireICRequest(_this);
fired = true;
}
} else if (isICDepsDependent(dest, getICAttribute(_this, 'ic-deps')) || getICAttribute(_this, 'ic-deps') == "*") {
if (src == null || $(src)[0] != _this[0]) {
fireICRequest(_this);
fired = true;
}
}
}
if (fired) {
log(_this, "depends on path " + dest + ", refreshing...", "DEBUG")
}
});
}
function isICDepsDependent(src, dest) {
if(dest) {
var paths = dest.split(",");
for (var i = 0; i < paths.length; i++) {
var str = paths[i].trim();
if(isDependent(src, str)) {
return true;
}
}
}
return false;
}
function isDependent(src, dest) {
return !!_isDependentFunction(src, dest);
}
//============================================================----
// Trigger-On support
//============================================================----
function verbFor(elt) {
elt = $(elt);
if (getICAttribute(elt, 'ic-verb')) {
return getICAttribute(elt, 'ic-verb').toUpperCase();
}
return "GET";
}
function eventFor(attr, elt) {
if (attr == "default") {
elt = $(elt);
if (elt.is('button')) {