617 lines
14 KiB
JavaScript
617 lines
14 KiB
JavaScript
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/*!
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* jQuery UI Selectmenu 1.11.2
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* http://jqueryui.com
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*
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* Copyright 2014 jQuery Foundation and other contributors
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* Released under the MIT license.
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* http://jquery.org/license
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*
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* http://api.jqueryui.com/selectmenu
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*/
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(function( factory ) {
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if ( typeof define === "function" && define.amd ) {
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// AMD. Register as an anonymous module.
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define([
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"jquery",
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"./core",
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"./widget",
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"./position",
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"./menu"
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], factory );
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} else {
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// Browser globals
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factory( jQuery );
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}
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}(function( $ ) {
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return $.widget( "ui.selectmenu", {
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version: "1.11.2",
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defaultElement: "<select>",
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options: {
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appendTo: null,
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disabled: null,
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icons: {
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button: "ui-icon-triangle-1-s"
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},
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position: {
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my: "left top",
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at: "left bottom",
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collision: "none"
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},
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width: null,
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// callbacks
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change: null,
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close: null,
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focus: null,
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open: null,
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select: null
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},
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_create: function() {
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var selectmenuId = this.element.uniqueId().attr( "id" );
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this.ids = {
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element: selectmenuId,
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button: selectmenuId + "-button",
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menu: selectmenuId + "-menu"
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};
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this._drawButton();
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this._drawMenu();
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if ( this.options.disabled ) {
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this.disable();
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}
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},
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_drawButton: function() {
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var that = this,
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tabindex = this.element.attr( "tabindex" );
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// Associate existing label with the new button
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this.label = $( "label[for='" + this.ids.element + "']" ).attr( "for", this.ids.button );
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this._on( this.label, {
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click: function( event ) {
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this.button.focus();
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event.preventDefault();
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}
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});
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// Hide original select element
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this.element.hide();
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// Create button
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this.button = $( "<span>", {
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"class": "ui-selectmenu-button ui-widget ui-state-default ui-corner-all",
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tabindex: tabindex || this.options.disabled ? -1 : 0,
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id: this.ids.button,
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role: "combobox",
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"aria-expanded": "false",
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"aria-autocomplete": "list",
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"aria-owns": this.ids.menu,
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"aria-haspopup": "true"
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})
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.insertAfter( this.element );
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$( "<span>", {
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"class": "ui-icon " + this.options.icons.button
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})
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.prependTo( this.button );
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this.buttonText = $( "<span>", {
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"class": "ui-selectmenu-text"
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})
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.appendTo( this.button );
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this._setText( this.buttonText, this.element.find( "option:selected" ).text() );
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this._resizeButton();
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this._on( this.button, this._buttonEvents );
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this.button.one( "focusin", function() {
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// Delay rendering the menu items until the button receives focus.
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// The menu may have already been rendered via a programmatic open.
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if ( !that.menuItems ) {
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that._refreshMenu();
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}
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});
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this._hoverable( this.button );
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this._focusable( this.button );
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},
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_drawMenu: function() {
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var that = this;
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// Create menu
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this.menu = $( "<ul>", {
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"aria-hidden": "true",
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"aria-labelledby": this.ids.button,
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id: this.ids.menu
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});
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// Wrap menu
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this.menuWrap = $( "<div>", {
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"class": "ui-selectmenu-menu ui-front"
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})
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.append( this.menu )
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.appendTo( this._appendTo() );
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// Initialize menu widget
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this.menuInstance = this.menu
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.menu({
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role: "listbox",
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select: function( event, ui ) {
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event.preventDefault();
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// support: IE8
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// If the item was selected via a click, the text selection
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// will be destroyed in IE
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that._setSelection();
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that._select( ui.item.data( "ui-selectmenu-item" ), event );
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},
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focus: function( event, ui ) {
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var item = ui.item.data( "ui-selectmenu-item" );
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// Prevent inital focus from firing and check if its a newly focused item
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if ( that.focusIndex != null && item.index !== that.focusIndex ) {
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that._trigger( "focus", event, { item: item } );
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if ( !that.isOpen ) {
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that._select( item, event );
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}
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}
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that.focusIndex = item.index;
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that.button.attr( "aria-activedescendant",
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that.menuItems.eq( item.index ).attr( "id" ) );
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}
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})
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.menu( "instance" );
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// Adjust menu styles to dropdown
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this.menu
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.addClass( "ui-corner-bottom" )
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.removeClass( "ui-corner-all" );
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// Don't close the menu on mouseleave
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this.menuInstance._off( this.menu, "mouseleave" );
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// Cancel the menu's collapseAll on document click
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this.menuInstance._closeOnDocumentClick = function() {
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return false;
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};
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// Selects often contain empty items, but never contain dividers
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this.menuInstance._isDivider = function() {
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return false;
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};
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},
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refresh: function() {
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this._refreshMenu();
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this._setText( this.buttonText, this._getSelectedItem().text() );
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if ( !this.options.width ) {
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this._resizeButton();
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}
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},
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_refreshMenu: function() {
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this.menu.empty();
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var item,
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options = this.element.find( "option" );
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if ( !options.length ) {
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return;
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}
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this._parseOptions( options );
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this._renderMenu( this.menu, this.items );
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this.menuInstance.refresh();
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this.menuItems = this.menu.find( "li" ).not( ".ui-selectmenu-optgroup" );
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item = this._getSelectedItem();
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// Update the menu to have the correct item focused
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this.menuInstance.focus( null, item );
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this._setAria( item.data( "ui-selectmenu-item" ) );
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// Set disabled state
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this._setOption( "disabled", this.element.prop( "disabled" ) );
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},
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open: function( event ) {
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if ( this.options.disabled ) {
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return;
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}
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// If this is the first time the menu is being opened, render the items
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if ( !this.menuItems ) {
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this._refreshMenu();
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} else {
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// Menu clears focus on close, reset focus to selected item
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this.menu.find( ".ui-state-focus" ).removeClass( "ui-state-focus" );
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this.menuInstance.focus( null, this._getSelectedItem() );
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}
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this.isOpen = true;
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this._toggleAttr();
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this._resizeMenu();
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this._position();
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this._on( this.document, this._documentClick );
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this._trigger( "open", event );
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},
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_position: function() {
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this.menuWrap.position( $.extend( { of: this.button }, this.options.position ) );
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},
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close: function( event ) {
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if ( !this.isOpen ) {
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return;
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}
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this.isOpen = false;
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this._toggleAttr();
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this.range = null;
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this._off( this.document );
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this._trigger( "close", event );
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},
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widget: function() {
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return this.button;
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},
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menuWidget: function() {
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return this.menu;
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},
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_renderMenu: function( ul, items ) {
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var that = this,
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currentOptgroup = "";
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$.each( items, function( index, item ) {
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if ( item.optgroup !== currentOptgroup ) {
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$( "<li>", {
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"class": "ui-selectmenu-optgroup ui-menu-divider" +
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( item.element.parent( "optgroup" ).prop( "disabled" ) ?
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" ui-state-disabled" :
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"" ),
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text: item.optgroup
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})
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.appendTo( ul );
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currentOptgroup = item.optgroup;
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}
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that._renderItemData( ul, item );
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});
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},
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_renderItemData: function( ul, item ) {
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return this._renderItem( ul, item ).data( "ui-selectmenu-item", item );
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},
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_renderItem: function( ul, item ) {
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var li = $( "<li>" );
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if ( item.disabled ) {
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li.addClass( "ui-state-disabled" );
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}
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this._setText( li, item.label );
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return li.appendTo( ul );
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},
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_setText: function( element, value ) {
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if ( value ) {
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element.text( value );
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} else {
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element.html( " " );
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}
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},
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_move: function( direction, event ) {
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var item, next,
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filter = ".ui-menu-item";
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if ( this.isOpen ) {
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item = this.menuItems.eq( this.focusIndex );
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} else {
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item = this.menuItems.eq( this.element[ 0 ].selectedIndex );
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filter += ":not(.ui-state-disabled)";
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}
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if ( direction === "first" || direction === "last" ) {
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next = item[ direction === "first" ? "prevAll" : "nextAll" ]( filter ).eq( -1 );
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} else {
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next = item[ direction + "All" ]( filter ).eq( 0 );
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}
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if ( next.length ) {
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this.menuInstance.focus( event, next );
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}
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},
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_getSelectedItem: function() {
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return this.menuItems.eq( this.element[ 0 ].selectedIndex );
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},
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_toggle: function( event ) {
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this[ this.isOpen ? "close" : "open" ]( event );
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},
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_setSelection: function() {
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var selection;
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if ( !this.range ) {
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return;
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}
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if ( window.getSelection ) {
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selection = window.getSelection();
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selection.removeAllRanges();
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selection.addRange( this.range );
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// support: IE8
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} else {
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this.range.select();
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}
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// support: IE
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// Setting the text selection kills the button focus in IE, but
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// restoring the focus doesn't kill the selection.
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this.button.focus();
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},
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_documentClick: {
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mousedown: function( event ) {
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if ( !this.isOpen ) {
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return;
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}
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if ( !$( event.target ).closest( ".ui-selectmenu-menu, #" + this.ids.button ).length ) {
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this.close( event );
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}
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}
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},
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_buttonEvents: {
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// Prevent text selection from being reset when interacting with the selectmenu (#10144)
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mousedown: function() {
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var selection;
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if ( window.getSelection ) {
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selection = window.getSelection();
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if ( selection.rangeCount ) {
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this.range = selection.getRangeAt( 0 );
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}
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// support: IE8
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} else {
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this.range = document.selection.createRange();
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}
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},
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click: function( event ) {
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this._setSelection();
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this._toggle( event );
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},
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keydown: function( event ) {
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var preventDefault = true;
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switch ( event.keyCode ) {
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case $.ui.keyCode.TAB:
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case $.ui.keyCode.ESCAPE:
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this.close( event );
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preventDefault = false;
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break;
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case $.ui.keyCode.ENTER:
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if ( this.isOpen ) {
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|
|
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 );
|
||
|
|
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._setText( this.buttonText, item.label );
|
||
|
|
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" ) {
|
||
|
|
this.button.find( "span.ui-icon" )
|
||
|
|
.removeClass( this.options.icons.button )
|
||
|
|
.addClass( value.button );
|
||
|
|
}
|
||
|
|
|
||
|
|
this._super( key, value );
|
||
|
|
|
||
|
|
if ( key === "appendTo" ) {
|
||
|
|
this.menuWrap.appendTo( this._appendTo() );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( key === "disabled" ) {
|
||
|
|
this.menuInstance.option( "disabled", value );
|
||
|
|
this.button
|
||
|
|
.toggleClass( "ui-state-disabled", value )
|
||
|
|
.attr( "aria-disabled", value );
|
||
|
|
|
||
|
|
this.element.prop( "disabled", value );
|
||
|
|
if ( value ) {
|
||
|
|
this.button.attr( "tabindex", -1 );
|
||
|
|
this.close();
|
||
|
|
} else {
|
||
|
|
this.button.attr( "tabindex", 0 );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( key === "width" ) {
|
||
|
|
this._resizeButton();
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
_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" );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( !element.length ) {
|
||
|
|
element = this.document[ 0 ].body;
|
||
|
|
}
|
||
|
|
|
||
|
|
return element;
|
||
|
|
},
|
||
|
|
|
||
|
|
_toggleAttr: function() {
|
||
|
|
this.button
|
||
|
|
.toggleClass( "ui-corner-top", this.isOpen )
|
||
|
|
.toggleClass( "ui-corner-all", !this.isOpen )
|
||
|
|
.attr( "aria-expanded", this.isOpen );
|
||
|
|
this.menuWrap.toggleClass( "ui-selectmenu-open", this.isOpen );
|
||
|
|
this.menu.attr( "aria-hidden", !this.isOpen );
|
||
|
|
},
|
||
|
|
|
||
|
|
_resizeButton: function() {
|
||
|
|
var width = this.options.width;
|
||
|
|
|
||
|
|
if ( !width ) {
|
||
|
|
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() {
|
||
|
|
return { disabled: this.element.prop( "disabled" ) };
|
||
|
|
},
|
||
|
|
|
||
|
|
_parseOptions: function( options ) {
|
||
|
|
var data = [];
|
||
|
|
options.each(function( index, item ) {
|
||
|
|
var option = $( item ),
|
||
|
|
optgroup = option.parent( "optgroup" );
|
||
|
|
data.push({
|
||
|
|
element: option,
|
||
|
|
index: index,
|
||
|
|
value: option.attr( "value" ),
|
||
|
|
label: option.text(),
|
||
|
|
optgroup: optgroup.attr( "label" ) || "",
|
||
|
|
disabled: optgroup.prop( "disabled" ) || option.prop( "disabled" )
|
||
|
|
});
|
||
|
|
});
|
||
|
|
this.items = data;
|
||
|
|
},
|
||
|
|
|
||
|
|
_destroy: function() {
|
||
|
|
this.menuWrap.remove();
|
||
|
|
this.button.remove();
|
||
|
|
this.element.show();
|
||
|
|
this.element.removeUniqueId();
|
||
|
|
this.label.attr( "for", this.ids.element );
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
}));
|