--- a/busui/js/jquery.ui.widget.js +++ b/busui/js/jquery.ui.widget.js @@ -1,1 +1,324 @@ - +/*! + * 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: "
", + 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 ); +