/*!
+ * Ext JS Library 3.3.0
+ * Copyright(c) 2006-2010 Ext JS, Inc.
+ * licensing@extjs.com
+ * http://www.extjs.com/license
+ */
+Ext.namespace('Ext.ux.menu');
+
+/**
+ * @class Ext.ux.menu.ListMenu
+ * @extends Ext.menu.Menu
+ * This is a supporting class for {@link Ext.ux.grid.filter.ListFilter}.
+ * Although not listed as configuration options for this class, this class
+ * also accepts all configuration options from {@link Ext.ux.grid.filter.ListFilter}.
+ */
+Ext.ux.menu.ListMenu = Ext.extend(Ext.menu.Menu, {
+ /**
+ * @cfg {String} labelField
+ * Defaults to 'text'.
+ */
+ labelField : 'text',
+ /**
+ * @cfg {String} paramPrefix
+ * Defaults to 'Loading...'.
+ */
+ loadingText : 'Loading...',
+ /**
+ * @cfg {Boolean} loadOnShow
+ * Defaults to true.
+ */
+ loadOnShow : true,
+ /**
+ * @cfg {Boolean} single
+ * Specify true to group all items in this list into a single-select
+ * radio button group. Defaults to false.
+ */
+ single : false,
+
+ constructor : function (cfg) {
+ this.selected = [];
+ this.addEvents(
+ /**
+ * @event checkchange
+ * Fires when there is a change in checked items from this list
+ * @param {Object} item Ext.menu.CheckItem
+ * @param {Object} checked The checked value that was set
+ */
+ 'checkchange'
+ );
+
+ Ext.ux.menu.ListMenu.superclass.constructor.call(this, cfg = cfg || {});
+
+ if(!cfg.store && cfg.options){
+ var options = [];
+ for(var i=0, len=cfg.options.length; i/**
+ * Lists will initially show a 'loading' item while the data is retrieved from the store.
+ * In some cases the loaded data will result in a list that goes off the screen to the
+ * right (as placement calculations were done with the loading item). This adapter will
+ * allow show to be called with no arguments to show with the previous arguments and
+ * thus recalculate the width and potentially hang the menu from the left.
+ */
+ show : function () {
+ var lastArgs = null;
+ return function(){
+ if(arguments.length === 0){
+ Ext.ux.menu.ListMenu.superclass.show.apply(this, lastArgs);
+ } else {
+ lastArgs = arguments;
+ if (this.loadOnShow && !this.loaded) {
+ this.store.load();
+ }
+ Ext.ux.menu.ListMenu.superclass.show.apply(this, arguments);
+ }
+ };
+ }(),
+
+ /** @private */
+ onLoad : function (store, records) {
+ var visible = this.isVisible();
+ this.hide(false);
+
+ this.removeAll(true);
+
+ var gid = this.single ? Ext.id() : null;
+ for(var i=0, len=records.length; i -1,
+ hideOnClick: false});
+
+ item.itemId = records[i].id;
+ item.on('checkchange', this.checkChange, this);
+
+ this.add(item);
+ }
+
+ this.loaded = true;
+
+ if (visible) {
+ this.show();
+ }
+ this.fireEvent('load', this, records);
+ },
+
+ /**
+ * Get the selected items.
+ * @return {Array} selected
+ */
+ getSelected : function () {
+ return this.selected;
+ },
+
+ /** @private */
+ setSelected : function (value) {
+ value = this.selected = [].concat(value);
+
+ if (this.loaded) {
+ this.items.each(function(item){
+ item.setChecked(false, true);
+ for (var i = 0, len = value.length; i < len; i++) {
+ if (item.itemId == value[i]) {
+ item.setChecked(true, true);
+ }
+ }
+ }, this);
+ }
+ },
+
+ /**
+ * Handler for the 'checkchange' event from an check item in this menu
+ * @param {Object} item Ext.menu.CheckItem
+ * @param {Object} checked The checked value that was set
+ */
+ checkChange : function (item, checked) {
+ var value = [];
+ this.items.each(function(item){
+ if (item.checked) {
+ value.push(item.itemId);
+ }
+ },this);
+ this.selected = value;
+
+ this.fireEvent('checkchange', item, checked);
+ }
+});
+
+
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