", { title: item.element.attr( "title" ) } ); if ( item.disabled ) { this._addClass( li, null, "ui-state-disabled" ); } if ( item.hidden ) { li.prop( "hidden", true ); } else { this._setText( wrapper, item.label ); } return li.append( wrapper ).appendTo( ul ); }, _setText: function( element, value ) { if ( value ) { element.text( value ); } else { element.html( " " ); } }, _move: function( direction, event ) { var item, next, filter = ".ui-menu-item"; if ( this.isOpen ) { item = this.menuItems.eq( this.focusIndex ).parent( "li" ); } else { item = this.menuItems.eq( this.element[ 0 ].selectedIndex ).parent( "li" ); filter += ":not(.ui-state-disabled)"; } if ( direction === "first" || direction === "last" ) { next = item[ direction === "first" ? "prevAll" : "nextAll" ]( filter ).eq( -1 ); } else { next = item[ direction + "All" ]( filter ).eq( 0 ); } if ( next.length ) { this.menuInstance.focus( event, next ); } }, _getSelectedItem: function() { return this.menuItems.eq( this.element[ 0 ].selectedIndex ).parent( "li" ); }, _toggle: function( event ) { this[ this.isOpen ? "close" : "open" ]( event ); }, _setSelection: function() { var selection; if ( !this.range ) { return; } if ( window.getSelection ) { selection = window.getSelection(); selection.removeAllRanges(); selection.addRange( this.range ); // Support: IE8 } else { this.range.select(); } // Support: IE // Setting the text selection kills the button focus in IE, but // restoring the focus doesn't kill the selection. this.button.trigger( "focus" ); }, _documentClick: { mousedown: function( event ) { if ( !this.isOpen ) { return; } if ( !$( event.target ).closest( ".ui-selectmenu-menu, #" + $.escapeSelector( this.ids.button ) ).length ) { this.close( event ); } } }, _buttonEvents: { // Prevent text selection from being reset when interacting with the selectmenu (#10144) mousedown: function() { var selection; if ( window.getSelection ) { selection = window.getSelection(); if ( selection.rangeCount ) { this.range = selection.getRangeAt( 0 ); } // Support: IE8 } else { this.range = document.selection.createRange(); } }, click: function( event ) { this._setSelection(); this._toggle( event ); }, keydown: function( event ) { var preventDefault = true; switch ( event.keyCode ) { case $.ui.keyCode.TAB: case $.ui.keyCode.ESCAPE: this.close( event ); preventDefault = false; break; case $.ui.keyCode.ENTER: if ( this.isOpen ) { this._selectFocusedItem( event ); } break; case $.ui.keyCode.UP: if ( event.altKey ) { this._toggle( event ); } else { this._move( "prev", event ); } break; case $.ui.keyCode.DOWN: if ( event.altKey ) { this._toggle( event ); } else { this._move( "next", event ); } break; case $.ui.keyCode.SPACE: if ( this.isOpen ) { this._selectFocusedItem( event ); } else { this._toggle( event ); } break; case $.ui.keyCode.LEFT: this._move( "prev", event ); break; case $.ui.keyCode.RIGHT: this._move( "next", event ); break; case $.ui.keyCode.HOME: case $.ui.keyCode.PAGE_UP: this._move( "first", event ); break; case $.ui.keyCode.END: case $.ui.keyCode.PAGE_DOWN: this._move( "last", event ); break; default: this.menu.trigger( event ); preventDefault = false; } if ( preventDefault ) { event.preventDefault(); } } }, _selectFocusedItem: function( event ) { var item = this.menuItems.eq( this.focusIndex ).parent( "li" ); if ( !item.hasClass( "ui-state-disabled" ) ) { this._select( item.data( "ui-selectmenu-item" ), event ); } }, _select: function( item, event ) { var oldIndex = this.element[ 0 ].selectedIndex; // Change native select element this.element[ 0 ].selectedIndex = item.index; this.buttonItem.replaceWith( this.buttonItem = this._renderButtonItem( item ) ); this._setAria( item ); this._trigger( "select", event, { item: item } ); if ( item.index !== oldIndex ) { this._trigger( "change", event, { item: item } ); } this.close( event ); }, _setAria: function( item ) { var id = this.menuItems.eq( item.index ).attr( "id" ); this.button.attr( { "aria-labelledby": id, "aria-activedescendant": id } ); this.menu.attr( "aria-activedescendant", id ); }, _setOption: function( key, value ) { if ( key === "icons" ) { var icon = this.button.find( "span.ui-icon" ); this._removeClass( icon, null, this.options.icons.button ) ._addClass( icon, null, value.button ); } this._super( key, value ); if ( key === "appendTo" ) { this.menuWrap.appendTo( this._appendTo() ); } if ( key === "width" ) { this._resizeButton(); } }, _setOptionDisabled: function( value ) { this._super( value ); this.menuInstance.option( "disabled", value ); this.button.attr( "aria-disabled", value ); this._toggleClass( this.button, null, "ui-state-disabled", value ); this.element.prop( "disabled", value ); if ( value ) { this.button.attr( "tabindex", -1 ); this.close(); } else { this.button.attr( "tabindex", 0 ); } }, _appendTo: function() { var element = this.options.appendTo; if ( element ) { element = element.jquery || element.nodeType ? $( element ) : this.document.find( element ).eq( 0 ); } if ( !element || !element[ 0 ] ) { element = this.element.closest( ".ui-front, dialog" ); } if ( !element.length ) { element = this.document[ 0 ].body; } return element; }, _toggleAttr: function() { this.button.attr( "aria-expanded", this.isOpen ); // We can't use two _toggleClass() calls here, because we need to make sure // we always remove classes first and add them second, otherwise if both classes have the // same theme class, it will be removed after we add it. this._removeClass( this.button, "ui-selectmenu-button-" + ( this.isOpen ? "closed" : "open" ) ) ._addClass( this.button, "ui-selectmenu-button-" + ( this.isOpen ? "open" : "closed" ) ) ._toggleClass( this.menuWrap, "ui-selectmenu-open", null, this.isOpen ); this.menu.attr( "aria-hidden", !this.isOpen ); }, _resizeButton: function() { var width = this.options.width; // For `width: false`, just remove inline style and stop if ( width === false ) { this.button.css( "width", "" ); return; } // For `width: null`, match the width of the original element if ( width === null ) { width = this.element.show().outerWidth(); this.element.hide(); } this.button.outerWidth( width ); }, _resizeMenu: function() { this.menu.outerWidth( Math.max( this.button.outerWidth(), // Support: IE10 // IE10 wraps long text (possibly a rounding bug) // so we add 1px to avoid the wrapping this.menu.width( "" ).outerWidth() + 1 ) ); }, _getCreateOptions: function() { var options = this._super(); options.disabled = this.element.prop( "disabled" ); return options; }, _parseOptions: function( options ) { var that = this, data = []; options.each( function( index, item ) { data.push( that._parseOption( $( item ), index ) ); } ); this.items = data; }, _parseOption: function( option, index ) { var optgroup = option.parent( "optgroup" ); return { element: option, index: index, value: option.val(), label: option.text(), hidden: optgroup.prop( "hidden" ) || option.prop( "hidden" ), optgroup: optgroup.attr( "label" ) || "", disabled: optgroup.prop( "disabled" ) || option.prop( "disabled" ) }; }, _destroy: function() { this._unbindFormResetHandler(); this.menuWrap.remove(); this.button.remove(); this.element.show(); this.element.removeUniqueId(); this.labels.attr( "for", this.ids.element ); } } ] ); } );