/*!
 * Ext JS Library 3.3.0
 * Copyright(c) 2006-2010 Ext JS, Inc.
 * licensing@extjs.com
 * http://www.extjs.com/license
 */
/** * @class Ext.menu.Item * @extends Ext.menu.BaseItem * A base class for all menu items that require menu-related functionality (like sub-menus) and are not static * display items. Item extends the base functionality of {@link Ext.menu.BaseItem} by adding menu-specific * activation and click handling. * @constructor * Creates a new Item * @param {Object} config Configuration options * @xtype menuitem */ Ext.menu.Item = Ext.extend(Ext.menu.BaseItem, {
/** * @property menu * @type Ext.menu.Menu * The submenu associated with this Item if one was configured. */
/** * @cfg {Mixed} menu (optional) Either an instance of {@link Ext.menu.Menu} or the config object for an * {@link Ext.menu.Menu} which acts as the submenu when this item is activated. */
/** * @cfg {String} icon The path to an icon to display in this item (defaults to Ext.BLANK_IMAGE_URL). If * icon is specified {@link #iconCls} should not be. */
/** * @cfg {String} iconCls A CSS class that specifies a background image that will be used as the icon for * this item (defaults to ''). If iconCls is specified {@link #icon} should not be. */
/** * @cfg {String} text The text to display in this item (defaults to ''). */
/** * @cfg {String} href The href attribute to use for the underlying anchor link (defaults to '#'). */
/** * @cfg {String} hrefTarget The target attribute to use for the underlying anchor link (defaults to ''). */
/** * @cfg {String} itemCls The default CSS class to use for menu items (defaults to 'x-menu-item') */ itemCls : 'x-menu-item',
/** * @cfg {Boolean} canActivate True if this item can be visually activated (defaults to true) */ canActivate : true,
/** * @cfg {Number} showDelay Length of time in milliseconds to wait before showing this item (defaults to 200) */ showDelay: 200,
/** * @cfg {String} altText The altText to use for the icon, if it exists. Defaults to ''. */ altText: '', // doc'd in BaseItem hideDelay: 200, // private ctype: 'Ext.menu.Item', initComponent : function(){ Ext.menu.Item.superclass.initComponent.call(this); if(this.menu){ this.menu = Ext.menu.MenuMgr.get(this.menu); this.menu.ownerCt = this; } }, // private onRender : function(container, position){ if (!this.itemTpl) { this.itemTpl = Ext.menu.Item.prototype.itemTpl = new Ext.XTemplate( '', ' target="{hrefTarget}"', '', '>', '{altText}', '{text}', '' ); } var a = this.getTemplateArgs(); this.el = position ? this.itemTpl.insertBefore(position, a, true) : this.itemTpl.append(container, a, true); this.iconEl = this.el.child('img.x-menu-item-icon'); this.textEl = this.el.child('.x-menu-item-text'); if(!this.href) { // if no link defined, prevent the default anchor event this.mon(this.el, 'click', Ext.emptyFn, null, { preventDefault: true }); } Ext.menu.Item.superclass.onRender.call(this, container, position); }, getTemplateArgs: function() { return { id: this.id, cls: this.itemCls + (this.menu ? ' x-menu-item-arrow' : '') + (this.cls ? ' ' + this.cls : ''), href: this.href || '#', hrefTarget: this.hrefTarget, icon: this.icon || Ext.BLANK_IMAGE_URL, iconCls: this.iconCls || '', text: this.itemText||this.text||' ', altText: this.altText || '' }; },
/** * Sets the text to display in this menu item * @param {String} text The text to display */ setText : function(text){ this.text = text||' '; if(this.rendered){ this.textEl.update(this.text); this.parentMenu.layout.doAutoSize(); } },
/** * Sets the CSS class to apply to the item's icon element * @param {String} cls The CSS class to apply */ setIconClass : function(cls){ var oldCls = this.iconCls; this.iconCls = cls; if(this.rendered){ this.iconEl.replaceClass(oldCls, this.iconCls); } }, //private beforeDestroy: function(){ if (this.menu){ delete this.menu.ownerCt; this.menu.destroy(); } Ext.menu.Item.superclass.beforeDestroy.call(this); }, // private handleClick : function(e){ if(!this.href){ // if no link defined, stop the event automatically e.stopEvent(); } Ext.menu.Item.superclass.handleClick.apply(this, arguments); }, // private activate : function(autoExpand){ if(Ext.menu.Item.superclass.activate.apply(this, arguments)){ this.focus(); if(autoExpand){ this.expandMenu(); } } return true; }, // private shouldDeactivate : function(e){ if(Ext.menu.Item.superclass.shouldDeactivate.call(this, e)){ if(this.menu && this.menu.isVisible()){ return !this.menu.getEl().getRegion().contains(e.getPoint()); } return true; } return false; }, // private deactivate : function(){ Ext.menu.Item.superclass.deactivate.apply(this, arguments); this.hideMenu(); }, // private expandMenu : function(autoActivate){ if(!this.disabled && this.menu){ clearTimeout(this.hideTimer); delete this.hideTimer; if(!this.menu.isVisible() && !this.showTimer){ this.showTimer = this.deferExpand.defer(this.showDelay, this, [autoActivate]); }else if (this.menu.isVisible() && autoActivate){ this.menu.tryActivate(0, 1); } } }, // private deferExpand : function(autoActivate){ delete this.showTimer; this.menu.show(this.container, this.parentMenu.subMenuAlign || 'tl-tr?', this.parentMenu); if(autoActivate){ this.menu.tryActivate(0, 1); } }, // private hideMenu : function(){ clearTimeout(this.showTimer); delete this.showTimer; if(!this.hideTimer && this.menu && this.menu.isVisible()){ this.hideTimer = this.deferHide.defer(this.hideDelay, this); } }, // private deferHide : function(){ delete this.hideTimer; if(this.menu.over){ this.parentMenu.setActiveItem(this, false); }else{ this.menu.hide(); } } }); Ext.reg('menuitem', Ext.menu.Item);