379 lines
9.1 KiB
JavaScript
379 lines
9.1 KiB
JavaScript
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require('mootools');
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Vn = module.exports = {
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Locale : require('./locale')
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,Enum : require('./enum')
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,Type : require('./type')
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,Object : require('./object')
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,Mutators : require('./mutators')
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,Browser : require('./browser')
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,Cookie : require('./cookie')
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,Date : require('./date')
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,Value : require('./value')
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,Url : require('./url')
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,LotIface : require('./lot-iface')
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,Lot : require('./lot')
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,LotQuery : require('./lot-query')
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,Hash : require('./hash')
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,ParamIface : require('./param-iface')
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,Param : require('./param')
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,Spec : require('./spec')
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,Model : require('./model')
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,ModelIface : require('./model-iface')
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,ModelProxy : require('./model-proxy')
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,IteratorIface : require('./iterator-iface')
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,Iterator : require('./iterator')
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,Form : require('./form')
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,Node : require('./node')
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,NodeBuilder : require('./node-builder')
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,Component : require('./component')
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,Builder : require('./builder')
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,JsonException : require('./json-exception')
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,JsonConnection : require('./json-connection')
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,Config: {}
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,includes: {}
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,cssIncludes: {}
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,currentDeps: []
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,currentCallback: null
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,head: document.getElementsByTagName('head')[0]
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,isMobileCached: null
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,getVersion() {
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if (this._version === undefined) {
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var re = /[; ]vnVersion=([^\\s;]*)/;
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var sMatch = (' '+ document.cookie).match(re);
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this._version = (sMatch) ? '?'+ unescape(sMatch[1]) : '';
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}
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return this._version;
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}
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,setVersion(version) {
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document.cookie = `vnVersion=${version}; SameSite=Lax;`;
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}
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/**
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* Includes a new CSS stylesheet in the current document, if the stylesheet
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* is already included, does nothing.
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*
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* @param {string} fileName The stylesheet file name
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*/
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,includeCss(fileName) {
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var cssData = this.cssIncludes[fileName];
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if (!cssData) {
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var link = document.createElement('link');
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link.rel = 'stylesheet';
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link.type = 'text/css';
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link.href = fileName + this.getVersion();
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this.head.appendChild(link);
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this.cssIncludes[fileName] =
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{
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included: true
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,link: link
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};
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} else if (!cssData.included) {
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cssData.link.disabled = false;
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cssData.included = true;
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}
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}
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/**
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* Excludes a CSS stylesheet from the current document.
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*
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* @param {string} fileName The stylesheet file name
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*/
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,excludeCss(fileName) {
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var cssData = this.cssIncludes[fileName];
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if (cssData && cssData.included) {
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cssData.link.disabled = true;
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cssData.included = false;
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}
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}
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,_createIncludeData(path) {
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var includeData = {
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depCount: 0
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,success: false
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,loaded: false
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,callbacks: []
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,dependants: []
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};
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this.includes[path] = includeData;
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return includeData;
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}
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,_handleCallback(includeData, callback) {
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if (!callback)
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return;
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if (includeData.success)
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callback(includeData.loaded);
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else
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includeData.callbacks.push(callback);
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}
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,_resolveDeps(includeData) {
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includeData.success = true;
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var callbacks = includeData.callbacks;
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if (callbacks)
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for (var i = 0; i < callbacks.length; i++)
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callbacks[i](includeData.loaded);
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var dependants = includeData.dependants;
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if (dependants)
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for (var i = 0; i < dependants.length; i++) {
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var dependant = dependants[i];
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dependant.depCount--;
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if (dependant.depCount == 0)
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this._resolveDeps(dependant);
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}
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delete includeData.callbacks;
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delete includeData.dependants;
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delete includeData.depCount;
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}
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/**
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* Initializes the library and calls the passed function when all
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* includes and its dependencies are resolved.
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* Should be called on the last statically incuded script.
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*
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* @param {Function} callback The main function
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*/
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,main(callback) {
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if (this.mainCalled) {
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Vn.warning("Vn: main method should be called only once");
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return;
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}
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this.mainCalled = true;
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this.mainCallback = callback;
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var basePath = location.protocol +'//'+ location.host;
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basePath += location.port ? ':'+ location.port : '';
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basePath += location.pathname;
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var scripts = this.head.getElementsByTagName('script');
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var includes = this.currentDeps;
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for (var i = 0; i < scripts.length; i++) {
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var path = scripts[i].src.substr(basePath.length);
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path = path.substr(0, path.indexOf('.js')) +'.js';
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var includeData = this.includes[path];
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if (includeData === undefined) {
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this.currentDeps = includes;
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var includeData = this._createIncludeData(path);
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this._onScriptLoad(includeData, true);
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}
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}
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includeData.callbacks.push(this._onMainDepsLoad.bind(this));
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window.addEventListener('load', this._onWindowLoad.bind(this));
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}
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,_onMainDepsLoad() {
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this.mainDepsLoaded = true;
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this._callMain();
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}
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,_onWindowLoad() {
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this.windowReady = true;
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this._callMain();
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}
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,_callMain() {
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if (this.mainCallback && this.windowReady && this.mainDepsLoaded)
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this.mainCallback();
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}
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/**
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* Includes a set of javascript files and sets it as dependecies of the
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* current script.
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*
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* @param {...} The list of files as function arguments
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*/
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,include() {
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for (var i = 0; i < arguments.length; i++) {
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var includeData = this._realIncludeJs(arguments[i] +'.js');
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if (!includeData.success)
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this.currentDeps.push(includeData);
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}
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}
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/**
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* Downloads a set of resources and sets it as dependecies of the
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* current script.
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*
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* @param {...} The list of files as function arguments
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*/
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,resource() {
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for (var i = 0; i < arguments.length; i++) {
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var includeData = this._realLoadXml(arguments[i]);
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if (!includeData.success)
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this.currentDeps.push(includeData);
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}
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}
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/**
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* Sets the function that will be called when current script dependencies
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* are resolved.
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*
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* @param {Function} callback The callback function
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*/
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,define(callback) {
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this.currentCallback = callback;
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}
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/**
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* Includes a new Javascript in the current document, if the script
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* is already included, does nothing and calls the callback.
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*
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* @param {string} fileName The script file name
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* @param {Function} callback The function to call when script is
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* downloaded and included
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*/
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,includeJs(fileName, callback, skipVersion) {
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var includeData = this._realIncludeJs(fileName, skipVersion);
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this._handleCallback(includeData, callback);
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}
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,_realIncludeJs(fileName, skipVersion) {
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var includeData = this.includes[fileName];
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if (includeData === undefined) {
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includeData = this._createIncludeData(fileName);
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var src = fileName;
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if (!skipVersion)
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src = src + this.getVersion();
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var script = document.createElement('script');
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script.type = 'text/javascript';
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script.async = false;
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script.src = src;
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script.onload =
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this._onScriptLoad.bind(this, includeData, true);
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script.onerror =
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this._onScriptLoad.bind(this, includeData, false);
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script.onreadystatechange =
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this._onScriptStateChange.bind(this, includeData, script);
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this.head.appendChild(script);
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}
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return includeData;
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}
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,_onScriptStateChange(includeData, script) {
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if (script.readyState == 'complete')
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this._onScriptLoad(includeData, true);
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}
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,_onScriptLoad(includeData, loaded) {
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includeData.loaded = loaded;
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if (loaded) {
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if (this.currentCallback)
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includeData.callbacks.unshift(this.currentCallback);
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var includes = this.currentDeps;
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if (includes && includes.length > 0) {
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includeData.depCount = includes.length;
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for (var i = 0; i < includes.length; i++)
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includes[i].dependants.push(includeData);
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} else
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this._resolveDeps(includeData);
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} else
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this._resolveDeps(includeData);
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this.currentDeps = [];
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this.currentCallback = null;
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}
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/**
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* Request an XML file.
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*
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* @param {string} path The file path
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* @param {Function} callback The function to call when file is downloaded
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*/
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,loadXml(path, callback) {
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var includeData = this._realLoadXml(path);
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this._handleCallback(includeData, callback);
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}
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,_realLoadXml(path) {
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var includeData = this.includes[path];
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if (includeData === undefined) {
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includeData = this._createIncludeData(path);
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var request = new XMLHttpRequest();
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request.onreadystatechange =
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this._onXmlReady.bind(this, includeData, request);
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request.open('get', path + this.getVersion(), true);
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request.send();
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}
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return includeData;
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}
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,_onXmlReady(includeData, request) {
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if (request.readyState != 4)
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return;
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includeData.loaded = request.status == 200;
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if (includeData.loaded)
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includeData.xml = request.responseXML;
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this._resolveDeps(includeData);
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}
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/**
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* Gets the DOM object from an included XML file.
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*
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* @param {string} path The file path
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* @return {Object} The DOM object
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*/
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,getXml(path) {
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var includeData = this.includes[path];
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if (!(includeData && includeData.success))
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return null;
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return includeData.xml;
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}
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/**
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* Checks if user is using a mobile browser.
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*
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* return {boolean} %true if is mobile, %false otherwise.
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*/
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,isMobile() {
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if (this.isMobileCached === null) {
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var regExp = /(Android|webOS|iPhone|iPad|iPod|BlackBerry|Windows Phone)/i;
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this.isMobileCached = navigator.userAgent.match(regExp);
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}
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return this.isMobileCached;
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}
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};
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