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var ScriptsLoader; |
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/** |
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(function($) { |
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ScriptsLoader = function(scripts) { |
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// Clone scripts array. |
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scripts = $.merge([], scripts); |
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/** |
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* |
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*/ |
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this.callback = $.Deferred(); |
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this.loaded = []; |
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/** |
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this._loaded = function(script) { |
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// Add script into loaded list. |
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this.loaded.push(script); |
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// Wait until all scripts is loaded. |
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if (this.loaded.length == scripts.length) { |
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console.log('All is done'); |
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// Notify success. |
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this.callback.resolveWith(this); |
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} |
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} |
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/** |
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* |
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*/ |
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this.loadAll = function() { |
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this.loadNext(); |
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return this.callback; |
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} |
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/** |
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* |
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*/ |
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this.load = function(script) { |
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// Load script using Ajax! |
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return $.getScript(script.src); |
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} |
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/** |
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* |
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*/ |
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this.loadNext = function() { |
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// If there is more script to load. |
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if (scripts.length) { |
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// Current Script! |
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var script = scripts.shift(); |
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// Get load method name to use for loading script file. |
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var loadingMethod = 'load'; |
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if (script.cjt.loadMethod != undefined) { |
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loadingMethod += script.cjt.loadMethod; |
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} |
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this[loadingMethod](script).done($.proxy( |
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function() { |
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// Push script object into the queue. |
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this.loaded.push(script); |
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// Load next script! |
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this.loadNext(); |
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}, this) |
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) |
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.fail($.proxy( |
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function() { |
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// Report failure! |
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this.callback.rejectWith(this, [loadingMethod, script]); |
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}, this) |
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) |
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} |
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else { |
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// All scripts has been loaded!! |
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this.callback.resolveWith(this); |
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} |
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} |
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/** |
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* |
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*/ |
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this.loadTag = function(script) { |
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var deferred = $.Deferred(); |
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// Create script tag. |
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var scriptTag = document.createElement('script'); |
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// Set script properties. |
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scriptTag.type = 'text/javascript'; |
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scriptTag.src = script.src; |
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// using jQuery for appending Script tag still load it using $.getScript!! |
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// Use raw method to add HTML script tag. |
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document.getElementsByTagName('head')[0].appendChild(scriptTag); |
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// Check if script loaded every 50 milli seconds! |
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var timeout = 4000; // 4 seconds. |
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var interval = 50; // Milisecs |
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var secondsElapsed = 0; |
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var checker = setInterval($.proxy( |
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function() { |
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if (window[script.cjt.lookFor] != undefined) { |
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// No more check for this script. |
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clearInterval(checker); |
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// Report success! |
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deferred.resolve(); |
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} |
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else if (secondsElapsed == timeout) { |
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// No more check for this script. |
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clearInterval(checker); |
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// Notify that script load is failure. |
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deferred.reject(); |
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} |
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secondsElapsed += interval; |
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}, this) |
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, interval); |
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// Promising! |
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return deferred; |
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} |
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} // End class. |
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})(jQuery); |
