www.gusucode.com > 一个基于extjs的强大聊天插件源码程序 > 一个基于extjs的强大聊天插件/extjame/ext-jame/js/ext2/build/widgets/menu/Menu-min.js

    /*
 * Ext JS Library 2.0.2
 * Copyright(c) 2006-2008, Ext JS, LLC.
 * licensing@extjs.com
 * 
 * http://extjs.com/license
 */

Ext.menu.Menu=function(A){if(Ext.isArray(A)){A={items:A}}Ext.apply(this,A);this.id=this.id||Ext.id();this.addEvents("beforeshow","beforehide","show","hide","click","mouseover","mouseout","itemclick");Ext.menu.MenuMgr.register(this);Ext.menu.Menu.superclass.constructor.call(this);var B=this.items;this.items=new Ext.util.MixedCollection();if(B){this.add.apply(this,B)}};Ext.extend(Ext.menu.Menu,Ext.util.Observable,{minWidth:120,shadow:"sides",subMenuAlign:"tl-tr?",defaultAlign:"tl-bl?",allowOtherMenus:false,hidden:true,createEl:function(){return new Ext.Layer({cls:"x-menu",shadow:this.shadow,constrain:false,parentEl:this.parentEl||document.body,zindex:15000})},render:function(){if(this.el){return }var B=this.el=this.createEl();if(!this.keyNav){this.keyNav=new Ext.menu.MenuNav(this)}if(this.plain){B.addClass("x-menu-plain")}if(this.cls){B.addClass(this.cls)}this.focusEl=B.createChild({tag:"a",cls:"x-menu-focus",href:"#",onclick:"return false;",tabIndex:"-1"});var A=B.createChild({tag:"ul",cls:"x-menu-list"});A.on("click",this.onClick,this);A.on("mouseover",this.onMouseOver,this);A.on("mouseout",this.onMouseOut,this);this.items.each(function(D){var C=document.createElement("li");C.className="x-menu-list-item";A.dom.appendChild(C);D.render(C,this)},this);this.ul=A;this.autoWidth()},autoWidth:function(){var D=this.el,C=this.ul;if(!D){return }var A=this.width;if(A){D.setWidth(A)}else{if(Ext.isIE){D.setWidth(this.minWidth);var B=D.dom.offsetWidth;D.setWidth(C.getWidth()+D.getFrameWidth("lr"))}}},delayAutoWidth:function(){if(this.el){if(!this.awTask){this.awTask=new Ext.util.DelayedTask(this.autoWidth,this)}this.awTask.delay(20)}},findTargetItem:function(B){var A=B.getTarget(".x-menu-list-item",this.ul,true);if(A&&A.menuItemId){return this.items.get(A.menuItemId)}},onClick:function(B){var A;if(A=this.findTargetItem(B)){A.onClick(B);this.fireEvent("click",this,A,B)}},setActiveItem:function(A,B){if(A!=this.activeItem){if(this.activeItem){this.activeItem.deactivate()}this.activeItem=A;A.activate(B)}else{if(B){A.expandMenu()}}},tryActivate:function(F,E){var B=this.items;for(var C=F,A=B.length;C>=0&&C<A;C+=E){var D=B.get(C);if(!D.disabled&&D.canActivate){this.setActiveItem(D,false);return D}}return false},onMouseOver:function(B){var A;if(A=this.findTargetItem(B)){if(A.canActivate&&!A.disabled){this.setActiveItem(A,true)}}this.fireEvent("mouseover",this,B,A)},onMouseOut:function(B){var A;if(A=this.findTargetItem(B)){if(A==this.activeItem&&A.shouldDeactivate(B)){this.activeItem.deactivate();delete this.activeItem}}this.fireEvent("mouseout",this,B,A)},isVisible:function(){return this.el&&!this.hidden},show:function(B,C,A){this.parentMenu=A;if(!this.el){this.render()}this.fireEvent("beforeshow",this);this.showAt(this.el.getAlignToXY(B,C||this.defaultAlign),A,false)},showAt:function(C,B,A){this.parentMenu=B;if(!this.el){this.render()}if(A!==false){this.fireEvent("beforeshow",this);C=this.el.adjustForConstraints(C)}this.el.setXY(C);this.el.show();this.hidden=false;this.focus();this.fireEvent("show",this)},focus:function(){if(!this.hidden){this.doFocus.defer(50,this)}},doFocus:function(){if(!this.hidden){this.focusEl.focus()}},hide:function(A){if(this.el&&this.isVisible()){this.fireEvent("beforehide",this);if(this.activeItem){this.activeItem.deactivate();this.activeItem=null}this.el.hide();this.hidden=true;this.fireEvent("hide",this)}if(A===true&&this.parentMenu){this.parentMenu.hide(true)}},add:function(){var B=arguments,A=B.length,E;for(var C=0;C<A;C++){var D=B[C];if(D.render){E=this.addItem(D)}else{if(typeof D=="string"){if(D=="separator"||D=="-"){E=this.addSeparator()}else{E=this.addText(D)}}else{if(D.tagName||D.el){E=this.addElement(D)}else{if(typeof D=="object"){Ext.applyIf(D,this.defaults);E=this.addMenuItem(D)}}}}}return E},getEl:function(){if(!this.el){this.render()}return this.el},addSeparator:function(){return this.addItem(new Ext.menu.Separator())},addElement:function(A){return this.addItem(new Ext.menu.BaseItem(A))},addItem:function(B){this.items.add(B);if(this.ul){var A=document.createElement("li");A.className="x-menu-list-item";this.ul.dom.appendChild(A);B.render(A,this);this.delayAutoWidth()}return B},addMenuItem:function(A){if(!(A instanceof Ext.menu.Item)){if(typeof A.checked=="boolean"){A=new Ext.menu.CheckItem(A)}else{A=new Ext.menu.Item(A)}}return this.addItem(A)},addText:function(A){return this.addItem(new Ext.menu.TextItem(A))},insert:function(B,C){this.items.insert(B,C);if(this.ul){var A=document.createElement("li");A.className="x-menu-list-item";this.ul.dom.insertBefore(A,this.ul.dom.childNodes[B]);C.render(A,this);this.delayAutoWidth()}return C},remove:function(A){this.items.removeKey(A.id);A.destroy()},removeAll:function(){var A;while(A=this.items.first()){this.remove(A)}},destroy:function(){this.beforeDestroy();Ext.menu.MenuMgr.unregister(this);if(this.keyNav){this.keyNav.disable()}this.removeAll();if(this.ul){this.ul.removeAllListeners()}if(this.el){this.el.destroy()}},beforeDestroy:Ext.emptyFn});Ext.menu.MenuNav=function(A){Ext.menu.MenuNav.superclass.constructor.call(this,A.el);this.scope=this.menu=A};Ext.extend(Ext.menu.MenuNav,Ext.KeyNav,{doRelay:function(C,B){var A=C.getKey();if(!this.menu.activeItem&&C.isNavKeyPress()&&A!=C.SPACE&&A!=C.RETURN){this.menu.tryActivate(0,1);return false}return B.call(this.scope||this,C,this.menu)},up:function(B,A){if(!A.tryActivate(A.items.indexOf(A.activeItem)-1,-1)){A.tryActivate(A.items.length-1,-1)}},down:function(B,A){if(!A.tryActivate(A.items.indexOf(A.activeItem)+1,1)){A.tryActivate(0,1)}},right:function(B,A){if(A.activeItem){A.activeItem.expandMenu(true)}},left:function(B,A){A.hide();if(A.parentMenu&&A.parentMenu.activeItem){A.parentMenu.activeItem.activate()}},enter:function(B,A){if(A.activeItem){B.stopPropagation();A.activeItem.onClick(B);A.fireEvent("click",this,A.activeItem);return true}}});