| /*! | |
| * jQuery UI Widget @VERSION | |
| * | |
| * 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 ) { | |
| var slice = Array.prototype.slice; | |
| var _cleanData = $.cleanData; | |
| $.cleanData = function( elems ) { | |
| for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) { | |
| $( elem ).triggerHandler( "remove" ); | |
| } | |
| _cleanData( elems ); | |
| }; | |
| $.widget = function( name, base, prototype ) { | |
| var namespace = name.split( "." )[ 0 ], | |
| fullName; | |
| name = name.split( "." )[ 1 ]; | |
| fullName = namespace + "-" + name; | |
| if ( !prototype ) { | |
| prototype = base; | |
| base = $.Widget; | |
| } | |
| // create selector for plugin | |
| $.expr[ ":" ][ fullName ] = function( elem ) { | |
| return !!$.data( elem, name ); | |
| }; | |
| $[ namespace ] = $[ namespace ] || {}; | |
| $[ namespace ][ name ] = $[ namespace ][ name ] || function( options, element ) { | |
| // allow instantiation without "new" keyword | |
| if ( !this._createWidget ) { | |
| return new $[ namespace ][ name ]( options, element ); | |
| } | |
| // allow instantiation without initializing for simple inheritance | |
| // must use "new" keyword (the code above always passes args) | |
| if ( arguments.length ) { | |
| this._createWidget( options, element ); | |
| } | |
| }; | |
| var basePrototype = new base(); | |
| // we need to make the options hash a property directly on the new instance | |
| // otherwise we'll modify the options hash on the prototype that we're | |
| // inheriting from | |
| basePrototype.options = $.extend( true, {}, basePrototype.options ); | |
| $[ namespace ][ name ].prototype = $.extend( true, basePrototype, { | |
| namespace: namespace, | |
| widgetName: name, | |
| widgetEventPrefix: name, | |
| widgetBaseClass: fullName, | |
| base: base.prototype | |
| }, prototype ); | |
| $.widget.bridge( name, $[ namespace ][ name ] ); | |
| }; | |
| $.widget.bridge = function( name, object ) { | |
| $.fn[ name ] = function( options ) { | |
| var isMethodCall = typeof options === "string", | |
| args = slice.call( arguments, 1 ), | |
| returnValue = this; | |
| // allow multiple hashes to be passed on init | |
| options = !isMethodCall && args.length ? | |
| $.extend.apply( null, [ true, options ].concat(args) ) : | |
| options; | |
| // prevent calls to internal methods | |
| if ( isMethodCall && options.charAt( 0 ) === "_" ) { | |
| return returnValue; | |
| } | |
| if ( isMethodCall ) { | |
| this.each(function() { | |
| var instance = $.data( this, name ); | |
| if ( !instance ) { | |
| return $.error( "cannot call methods on " + name + " prior to initialization; " + | |
| "attempted to call method '" + options + "'" ); | |
| } | |
| if ( !$.isFunction( instance[options] ) ) { | |
| return $.error( "no such method '" + options + "' for " + name + " widget instance" ); | |
| } | |
| var methodValue = instance[ options ].apply( instance, args ); | |
| 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 { | |
| object( options, this ); | |
| } | |
| }); | |
| } | |
| return returnValue; | |
| }; | |
| }; | |
| $.Widget = function( options, element ) { | |
| // allow instantiation without "new" keyword | |
| if ( !this._createWidget ) { | |
| return new $[ namespace ][ name ]( options, element ); | |
| } | |
| // allow instantiation without initializing for simple inheritance | |
| // must use "new" keyword (the code above always passes args) | |
| if ( arguments.length ) { | |
| this._createWidget( options, element ); | |
| } | |
| }; | |
| $.Widget.prototype = { | |
| widgetName: "widget", | |
| widgetEventPrefix: "", | |
| defaultElement: "<div>", | |
| options: { | |
| disabled: false | |
| }, | |
| _createWidget: function( options, element ) { | |
| element = $( element || this.defaultElement || this )[ 0 ]; | |
| this.element = $( element ); | |
| this.options = $.extend( true, {}, | |
| this.options, | |
| this._getCreateOptions(), | |
| options ); | |
| this.bindings = $(); | |
| this.hoverable = $(); | |
| this.focusable = $(); | |
| if ( element !== this ) { | |
| $.data( element, this.widgetName, this ); | |
| this._bind({ remove: "destroy" }); | |
| } | |
| this._create(); | |
| this._trigger( "create" ); | |
| this._init(); | |
| }, | |
| _getCreateOptions: function() { | |
| return $.metadata && $.metadata.get( this.element[0] )[ this.widgetName ]; | |
| }, | |
| _create: $.noop, | |
| _init: $.noop, | |
| _super: function( method ) { | |
| return this.base[ method ].apply( this, slice.call( arguments, 1 ) ); | |
| }, | |
| _superApply: function( method, args ) { | |
| return this.base[ method ].apply( this, args ); | |
| }, | |
| destroy: function() { | |
| this._destroy(); | |
| // we can probably remove the unbind calls in 2.0 | |
| // all event bindings should go through this._bind() | |
| this.element | |
| .unbind( "." + this.widgetName ) | |
| .removeData( this.widgetName ); | |
| this.widget() | |
| .unbind( "." + this.widgetName ) | |
| .removeAttr( "aria-disabled" ) | |
| .removeClass( | |
| this.widgetBaseClass + "-disabled " + | |
| "ui-state-disabled" ); | |
| // clean up events and states | |
| this.bindings.unbind( "." + this.widgetName ); | |
| this.hoverable.removeClass( "ui-state-hover" ); | |
| this.focusable.removeClass( "ui-state-focus" ); | |
| }, | |
| _destroy: $.noop, | |
| widget: function() { | |
| return this.element; | |
| }, | |
| option: function( key, value ) { | |
| var options = key; | |
| if ( arguments.length === 0 ) { | |
| // don't return a reference to the internal hash | |
| 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() | |
| .toggleClass( this.widgetBaseClass + "-disabled ui-state-disabled", !!value ) | |
| .attr( "aria-disabled", value ); | |
| this.hoverable.removeClass( "ui-state-hover" ); | |
| this.focusable.removeClass( "ui-state-focus" ); | |
| } | |
| return this; | |
| }, | |
| enable: function() { | |
| return this._setOption( "disabled", false ); | |
| }, | |
| disable: function() { | |
| return this._setOption( "disabled", true ); | |
| }, | |
| _bind: function( element, handlers ) { | |
| // no element argument, shuffle and use this.element | |
| if ( !handlers ) { | |
| handlers = element; | |
| element = this.element; | |
| } else { | |
| this.bindings = this.bindings.add( element ); | |
| } | |
| var instance = this; | |
| $.each( handlers, function( event, handler ) { | |
| element.bind( event + "." + instance.widgetName, function() { | |
| // allow widgets to customize the disabled handling | |
| // - disabled as an array instead of boolean | |
| // - disabled class as method for disabling individual parts | |
| if ( instance.options.disabled === true || | |
| $( this ).hasClass( "ui-state-disabled" ) ) { | |
| return; | |
| } | |
| return ( typeof handler === "string" ? instance[ handler ] : handler ) | |
| .apply( instance, arguments ); | |
| }); | |
| }); | |
| }, | |
| _hoverable: function( element ) { | |
| this.hoverable = this.hoverable.add( element ); | |
| this._bind( element, { | |
| mouseenter: function( event ) { | |
| $( event.currentTarget ).addClass( "ui-state-hover" ); | |
| }, | |
| mouseleave: function( event ) { | |
| $( event.currentTarget ).removeClass( "ui-state-hover" ); | |
| } | |
| }); | |
| }, | |
| _focusable: function( element ) { | |
| this.focusable = this.focusable.add( element ); | |
| this._bind( element, { | |
| focusin: function( event ) { | |
| $( event.currentTarget ).addClass( "ui-state-focus" ); | |
| }, | |
| focusout: function( event ) { | |
| $( event.currentTarget ).removeClass( "ui-state-focus" ); | |
| } | |
| }); | |
| }, | |
| _trigger: function( type, event, data ) { | |
| var callback = this.options[ type ], | |
| args; | |
| event = $.Event( event ); | |
| event.type = ( type === this.widgetEventPrefix ? | |
| type : | |
| this.widgetEventPrefix + type ).toLowerCase(); | |
| data = data || {}; | |
| // copy original event properties over to the new event | |
| // this would happen if we could call $.event.fix instead of $.Event | |
| // but we don't have a way to force an event to be fixed multiple times | |
| 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 ); | |
| args = $.isArray( data ) ? | |
| [ event ].concat( data ) : | |
| [ event, data ]; | |
| return !( $.isFunction( callback ) && | |
| callback.apply( this.element[0], args ) === false || | |
| event.isDefaultPrevented() ); | |
| } | |
| }; | |
| })( jQuery ); | |