+ _on: function( suppressDisabledCheck, element, handlers ) {
+ var delegateElement,
+ instance = this;
+
+ // no suppressDisabledCheck flag, shuffle arguments
+ if ( typeof suppressDisabledCheck !== "boolean" ) {
+ handlers = element;
+ element = suppressDisabledCheck;
+ suppressDisabledCheck = false;
+ }
+
+ // no element argument, shuffle and use this.element
+ if ( !handlers ) {
+ handlers = element;
+ element = this.element;
+ delegateElement = this.widget();
+ } else {
+ // accept selectors, DOM elements
+ element = delegateElement = $( element );
+ this.bindings = this.bindings.add( element );
+ }
+
+ $.each( handlers, function( event, handler ) {
+ function handlerProxy() {
+ // allow widgets to customize the disabled handling
+ // - disabled as an array instead of boolean
+ // - disabled class as method for disabling individual parts
+ if ( !suppressDisabledCheck &&
+ ( instance.options.disabled === true ||
+ $( this ).hasClass( "ui-state-disabled" ) ) ) {
+ return;
+ }
+ return ( typeof handler === "string" ? instance[ handler ] : handler )
+ .apply( instance, arguments );
+ }
+
+ // copy the guid so direct unbinding works
+ if ( typeof handler !== "string" ) {
+ handlerProxy.guid = handler.guid =
+ handler.guid || handlerProxy.guid || $.guid++;
+ }
+
+ var match = event.match( /^(\w+)\s*(.*)$/ ),
+ eventName = match[1] + instance.eventNamespace,
+ selector = match[2];
+ if ( selector ) {
+ delegateElement.delegate( selector, eventName, handlerProxy );
+ } else {
+ element.bind( eventName, handlerProxy );
+ }
+ });
+ },
+
+ _off: function( element, eventName ) {
+ eventName = (eventName || "").split( " " ).join( this.eventNamespace + " " ) + this.eventNamespace;
+ element.unbind( eventName ).undelegate( eventName );
+ },
+
+ _delay: function( handler, delay ) {
+ function handlerProxy() {
+ return ( typeof handler === "string" ? instance[ handler ] : handler )
+ .apply( instance, arguments );
+ }
+ var instance = this;
+ return setTimeout( handlerProxy, delay || 0 );
+ },
+
+ _hoverable: function( element ) {
+ this.hoverable = this.hoverable.add( element );
+ this._on( 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._on( element, {
+ focusin: function( event ) {
+ $( event.currentTarget ).addClass( "ui-state-focus" );
+ },
+ focusout: function( event ) {
+ $( event.currentTarget ).removeClass( "ui-state-focus" );
+ }
+ });
+ },
+