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[atutor.git] / docs / jscripts / infusion / lib / jquery / ui / js / jquery.ui.widget.js

/*
 * jQuery UI Widget 1.8.12
 *
 * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
 * Dual licensed under the MIT or GPL Version 2 licenses.
 * http://jquery.org/license
 *
 * http://docs.jquery.com/UI/Widget
 */
(function($,undefined){if($.cleanData){var _cleanData=$.cleanData;$.cleanData=function(elems){for(var i=0,elem;(elem=elems[i])!=null;i++){$(elem).triggerHandler("remove")}_cleanData(elems)}}else{var _remove=$.fn.remove;$.fn.remove=function(selector,keepData){return this.each(function(){if(!keepData){if(!selector||$.filter(selector,[this]).length){$("*",this).add([this]).each(function(){$(this).triggerHandler("remove")})}}return _remove.call($(this),selector,keepData)})}}$.widget=function(name,base,prototype){var namespace=name.split(".")[0],fullName;name=name.split(".")[1];fullName=namespace+"-"+name;if(!prototype){prototype=base;base=$.Widget}$.expr[":"][fullName]=function(elem){return !!$.data(elem,name)};$[namespace]=$[namespace]||{};$[namespace][name]=function(options,element){if(arguments.length){this._createWidget(options,element)}};var basePrototype=new base();basePrototype.options=$.extend(true,{},basePrototype.options);$[namespace][name].prototype=$.extend(true,basePrototype,{namespace:namespace,widgetName:name,widgetEventPrefix:$[namespace][name].prototype.widgetEventPrefix||name,widgetBaseClass:fullName},prototype);$.widget.bridge(name,$[namespace][name])};$.widget.bridge=function(name,object){$.fn[name]=function(options){var isMethodCall=typeof options==="string",args=Array.prototype.slice.call(arguments,1),returnValue=this;options=!isMethodCall&&args.length?$.extend.apply(null,[true,options].concat(args)):options;if(isMethodCall&&options.charAt(0)==="_"){return returnValue}if(isMethodCall){this.each(function(){var instance=$.data(this,name),methodValue=instance&&$.isFunction(instance[options])?instance[options].apply(instance,args):instance;if(methodValue!==instance&&methodValue!==undefined){returnValue=methodValue;return false}})}else{this.each(function(){var instance=$.data(this,name);if(instance){instance.option(options||{})._init()}else{$.data(this,name,new object(options,this))}})}return returnValue}};$.Widget=function(options,element){if(arguments.length){this._createWidget(options,element)}};$.Widget.prototype={widgetName:"widget",widgetEventPrefix:"",options:{disabled:false},_createWidget:function(options,element){$.data(element,this.widgetName,this);this.element=$(element);this.options=$.extend(true,{},this.options,this._getCreateOptions(),options);var self=this;this.element.bind("remove."+this.widgetName,function(){self.destroy()});this._create();this._trigger("create");this._init()},_getCreateOptions:function(){return $.metadata&&$.metadata.get(this.element[0])[this.widgetName]},_create:function(){},_init:function(){},destroy:function(){this.element.unbind("."+this.widgetName).removeData(this.widgetName);this.widget().unbind("."+this.widgetName).removeAttr("aria-disabled").removeClass(this.widgetBaseClass+"-disabled ui-state-disabled")},widget:function(){return this.element},option:function(key,value){var options=key;if(arguments.length===0){return $.extend({},this.options)}if(typeof key==="string"){if(value===undefined){return this.options[key]}options={};options[key]=value}this._setOptions(options);return this},_setOptions:function(options){var self=this;$.each(options,function(key,value){self._setOption(key,value)});return this},_setOption:function(key,value){this.options[key]=value;if(key==="disabled"){this.widget()[value?"addClass":"removeClass"](this.widgetBaseClass+"-disabled ui-state-disabled").attr("aria-disabled",value)}return this},enable:function(){return this._setOption("disabled",false)},disable:function(){return this._setOption("disabled",true)},_trigger:function(type,event,data){var callback=this.options[type];event=$.Event(event);event.type=(type===this.widgetEventPrefix?type:this.widgetEventPrefix+type).toLowerCase();data=data||{};if(event.originalEvent){for(var i=$.event.props.length,prop;i;){prop=$.event.props[--i];event[prop]=event.originalEvent[prop]}}this.element.trigger(event,data);return !($.isFunction(callback)&&callback.call(this.element[0],event,data)===false||event.isDefaultPrevented())}}})(jQuery);