forked from verdnatura/hedera-web
154 lines
3.2 KiB
JavaScript
Executable File
154 lines
3.2 KiB
JavaScript
Executable File
/**
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* The main namespace.
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**/
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var Vn =
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{
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Config: {}
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,jsIncludes: {}
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,cssIncludes: {}
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,customTags: {}
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,head: document.getElementsByTagName ('head')[0]
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,isMobileCached: null
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/**
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* Includes a new CSS stylesheet in the current document, if the stylesheet
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* its 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: function (fileName)
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{
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var cssData = this.cssIncludes[fileName];
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if (!cssData)
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{
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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 +'?'+ Vn.Cookie.get ('hedera_version');
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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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}
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else if (!cssData.included)
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{
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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: function (fileName)
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{
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var cssData = this.cssIncludes[fileName];
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if (cssData && cssData.included)
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{
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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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/**
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* Includes a new Javascript in the current document, if the script
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* its already included, does nothing.
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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: function (fileName, callback, skipVersion)
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{
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var includeData = this.jsIncludes[fileName];
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if (includeData === undefined)
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{
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var src = fileName;
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if (!skipVersion)
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src = src +'?'+ Vn.Cookie.get ('hedera_version');
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var script = document.createElement ('script');
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script.type = 'text/javascript';
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script.src = src;
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includeData = {
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script: script
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,callbacks: []
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,loaded: false
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};
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if (callback)
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includeData.callbacks.push (callback);
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script.onload =
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this.jsLoaded.bind (this, includeData, true);
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script.onerror =
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this.jsLoaded.bind (this, includeData, false);
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script.onreadystatechange =
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this.jsStateChanged.bind (this, includeData);
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this.jsIncludes[fileName] = includeData;
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this.head.appendChild (script);
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}
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else if (callback)
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{
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if (includeData.loaded)
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callback ();
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else
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includeData.callbacks.push (callback);
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}
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}
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,jsStateChanged: function (includeData)
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{
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console.log ('js: '+ includeData.script.readyState);
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if (includeData.script.readyState == 'complete')
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this.jsLoaded (includeData, true);
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}
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,jsLoaded: function (includeData, success)
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{
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if (includeData.loaded)
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return;
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for (var i = 0; i < includeData.callbacks.length; i++)
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includeData.callbacks[i] (success);
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includeData.loaded = true;
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includeData.callbacks = null;
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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: function ()
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{
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if (this.isMobileCached === null)
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{
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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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,get: function (id)
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{
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return document.getElementById (id);
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}
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};
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