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/*! |
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* jQuery UI Widget 1.8.23 |
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* |
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* Copyright 2012, AUTHORS.txt (http://jqueryui.com/about) |
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* Dual licensed under the MIT or GPL Version 2 licenses. |
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* http://jquery.org/license |
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* |
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* http://docs.jquery.com/UI/Widget |
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*/ |
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(function( $, undefined ) { |
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|
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// jQuery 1.4+ |
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if ( $.cleanData ) { |
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var _cleanData = $.cleanData; |
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$.cleanData = function( elems ) { |
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for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) { |
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try { |
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$( elem ).triggerHandler( "remove" ); |
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// http://bugs.jquery.com/ticket/8235 |
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} catch( e ) {} |
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} |
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_cleanData( elems ); |
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}; |
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} else { |
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var _remove = $.fn.remove; |
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$.fn.remove = function( selector, keepData ) { |
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return this.each(function() { |
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if ( !keepData ) { |
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if ( !selector || $.filter( selector, [ this ] ).length ) { |
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$( "*", this ).add( [ this ] ).each(function() { |
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try { |
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$( this ).triggerHandler( "remove" ); |
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// http://bugs.jquery.com/ticket/8235 |
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} catch( e ) {} |
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}); |
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} |
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} |
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return _remove.call( $(this), selector, keepData ); |
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}); |
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}; |
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} |
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|
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$.widget = function( name, base, prototype ) { |
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var namespace = name.split( "." )[ 0 ], |
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fullName; |
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name = name.split( "." )[ 1 ]; |
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fullName = namespace + "-" + name; |
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|
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if ( !prototype ) { |
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prototype = base; |
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base = $.Widget; |
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} |
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|
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// create selector for plugin |
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$.expr[ ":" ][ fullName ] = function( elem ) { |
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return !!$.data( elem, name ); |
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}; |
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|
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$[ namespace ] = $[ namespace ] || {}; |
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$[ namespace ][ name ] = function( options, element ) { |
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// allow instantiation without initializing for simple inheritance |
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if ( arguments.length ) { |
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this._createWidget( options, element ); |
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} |
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}; |
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|
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var basePrototype = new base(); |
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// we need to make the options hash a property directly on the new instance |
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// otherwise we'll modify the options hash on the prototype that we're |
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// inheriting from |
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// $.each( basePrototype, function( key, val ) { |
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// if ( $.isPlainObject(val) ) { |
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// basePrototype[ key ] = $.extend( {}, val ); |
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// } |
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// }); |
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basePrototype.options = $.extend( true, {}, basePrototype.options ); |
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$[ namespace ][ name ].prototype = $.extend( true, basePrototype, { |
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namespace: namespace, |
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widgetName: name, |
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widgetEventPrefix: $[ namespace ][ name ].prototype.widgetEventPrefix || name, |
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widgetBaseClass: fullName |
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}, prototype ); |
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|
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$.widget.bridge( name, $[ namespace ][ name ] ); |
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}; |
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|
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$.widget.bridge = function( name, object ) { |
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$.fn[ name ] = function( options ) { |
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var isMethodCall = typeof options === "string", |
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args = Array.prototype.slice.call( arguments, 1 ), |
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returnValue = this; |
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|
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// allow multiple hashes to be passed on init |
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options = !isMethodCall && args.length ? |
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$.extend.apply( null, [ true, options ].concat(args) ) : |
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options; |
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|
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// prevent calls to internal methods |
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if ( isMethodCall && options.charAt( 0 ) === "_" ) { |
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return returnValue; |
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} |
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|
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if ( isMethodCall ) { |
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this.each(function() { |
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var instance = $.data( this, name ), |
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methodValue = instance && $.isFunction( instance[options] ) ? |
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instance[ options ].apply( instance, args ) : |
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instance; |
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// TODO: add this back in 1.9 and use $.error() (see #5972) |
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// if ( !instance ) { |
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// throw "cannot call methods on " + name + " prior to initialization; " + |
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// "attempted to call method '" + options + "'"; |
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// } |
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// if ( !$.isFunction( instance[options] ) ) { |
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// throw "no such method '" + options + "' for " + name + " widget instance"; |
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// } |
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// var methodValue = instance[ options ].apply( instance, args ); |
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if ( methodValue !== instance && methodValue !== undefined ) { |
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returnValue = methodValue; |
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return false; |
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} |
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}); |
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} else { |
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this.each(function() { |
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var instance = $.data( this, name ); |
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if ( instance ) { |
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instance.option( options || {} )._init(); |
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} else { |
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$.data( this, name, new object( options, this ) ); |
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} |
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}); |
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} |
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|
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return returnValue; |
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}; |
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}; |
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|
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$.Widget = function( options, element ) { |
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// allow instantiation without initializing for simple inheritance |
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if ( arguments.length ) { |
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this._createWidget( options, element ); |
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} |
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}; |
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|
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$.Widget.prototype = { |
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widgetName: "widget", |
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widgetEventPrefix: "", |
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options: { |
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disabled: false |
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}, |
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_createWidget: function( options, element ) { |
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// $.widget.bridge stores the plugin instance, but we do it anyway |
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// so that it's stored even before the _create function runs |
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$.data( element, this.widgetName, this ); |
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this.element = $( element ); |
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this.options = $.extend( true, {}, |
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this.options, |
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this._getCreateOptions(), |
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options ); |
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|
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var self = this; |
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this.element.bind( "remove." + this.widgetName, function() { |
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self.destroy(); |
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}); |
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|
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this._create(); |
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this._trigger( "create" ); |
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this._init(); |
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}, |
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_getCreateOptions: function() { |
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return $.metadata && $.metadata.get( this.element[0] )[ this.widgetName ]; |
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}, |
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_create: function() {}, |
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_init: function() {}, |
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|
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destroy: function() { |
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this.element |
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.unbind( "." + this.widgetName ) |
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.removeData( this.widgetName ); |
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this.widget() |
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.unbind( "." + this.widgetName ) |
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.removeAttr( "aria-disabled" ) |
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.removeClass( |
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this.widgetBaseClass + "-disabled " + |
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"ui-state-disabled" ); |
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}, |
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|
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widget: function() { |
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return this.element; |
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}, |
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|
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option: function( key, value ) { |
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var options = key; |
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|
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if ( arguments.length === 0 ) { |
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// don't return a reference to the internal hash |
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return $.extend( {}, this.options ); |
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} |
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|
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if (typeof key === "string" ) { |
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if ( value === undefined ) { |
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return this.options[ key ]; |
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} |
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options = {}; |
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options[ key ] = value; |
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} |
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|
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this._setOptions( options ); |
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|
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return this; |
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}, |
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_setOptions: function( options ) { |
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var self = this; |
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$.each( options, function( key, value ) { |
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self._setOption( key, value ); |
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}); |
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|
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return this; |
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}, |
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_setOption: function( key, value ) { |
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this.options[ key ] = value; |
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|
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if ( key === "disabled" ) { |
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this.widget() |
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[ value ? "addClass" : "removeClass"]( |
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this.widgetBaseClass + "-disabled" + " " + |
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"ui-state-disabled" ) |
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.attr( "aria-disabled", value ); |
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} |
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|
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return this; |
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}, |
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|
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enable: function() { |
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return this._setOption( "disabled", false ); |
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}, |
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disable: function() { |
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return this._setOption( "disabled", true ); |
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}, |
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|
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_trigger: function( type, event, data ) { |
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var prop, orig, |
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callback = this.options[ type ]; |
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|
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data = data || {}; |
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event = $.Event( event ); |
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event.type = ( type === this.widgetEventPrefix ? |
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type : |
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this.widgetEventPrefix + type ).toLowerCase(); |
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// the original event may come from any element |
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// so we need to reset the target on the new event |
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event.target = this.element[ 0 ]; |
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|
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// copy original event properties over to the new event |
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orig = event.originalEvent; |
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if ( orig ) { |
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for ( prop in orig ) { |
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if ( !( prop in event ) ) { |
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event[ prop ] = orig[ prop ]; |
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} |
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} |
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} |
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|
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this.element.trigger( event, data ); |
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|
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return !( $.isFunction(callback) && |
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callback.call( this.element[0], event, data ) === false || |
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event.isDefaultPrevented() ); |
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} |
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}; |
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|
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})( jQuery ); |