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/examples/desktop/js/StartMenu.js
/*
* Ext JS Library 2.0.2
* Copyright(c) 2006-2008, Ext JS, LLC.
* licensing@extjs.com
*
* http://extjs.com/license
*/
/**
* @class Ext.ux.StartMenu
* @extends Ext.menu.Menu
* A start menu object.
* @constructor
* Creates a new StartMenu
* @param {Object} config Configuration options
*
* SAMPLE USAGE:
*
* this.startMenu = new Ext.ux.StartMenu({
* iconCls: 'user',
* height: 300,
* shadow: true,
* title: get_cookie('memberName'),
* width: 300
* });
*
* this.startMenu.add({
* text: 'Grid Window',
* iconCls:'icon-grid',
* handler : this.createWindow,
* scope: this
* });
*
* this.startMenu.addTool({
* text:'Logout',
* iconCls:'logout',
* handler:function(){ window.location = "logout.php"; },
* scope:this
* });
*/
Ext.namespace("Ext.ux");
Ext.ux.StartMenu = function(config){
Ext.ux.StartMenu.superclass.constructor.call(this, config);
var tools = this.toolItems;
this.toolItems = new Ext.util.MixedCollection();
if(tools){
this.addTool.apply(this, tools);
}
};
Ext.extend(Ext.ux.StartMenu, Ext.menu.Menu, {
// private
render : function(){
if(this.el){
return;
}
var el = this.el = new Ext.Layer({
cls: "x-menu ux-start-menu", // this might affect item click
shadow:this.shadow,
constrain: false,
parentEl: this.parentEl || document.body,
zindex:15000
});
var header = el.createChild({
tag: "div",
cls: "x-window-header x-unselectable x-panel-icon "+this.iconCls
});
this.header = header;
var headerText = header.createChild({
tag: "span",
cls: "x-window-header-text"
});
var tl = header.wrap({
cls: "ux-start-menu-tl"
});
var tr = header.wrap({
cls: "ux-start-menu-tr"
});
var tc = header.wrap({
cls: "ux-start-menu-tc"
});
this.menuBWrap = el.createChild({
tag: "div",
cls: "x-window-body x-border-layout-ct ux-start-menu-body"
});
var ml = this.menuBWrap.wrap({
cls: "ux-start-menu-ml"
});
var mc = this.menuBWrap.wrap({
cls: "x-window-mc ux-start-menu-bwrap"
});
this.menuPanel = this.menuBWrap.createChild({
tag: "div",
cls: "x-panel x-border-panel ux-start-menu-apps-panel"
});
this.toolsPanel = this.menuBWrap.createChild({
tag: "div",
cls: "x-panel x-border-panel ux-start-menu-tools-panel"
});
var bwrap = ml.wrap({cls: "x-window-bwrap"});
var bc = bwrap.createChild({
tag: "div",
cls: "ux-start-menu-bc"
});
var bl = bc.wrap({
cls: "ux-start-menu-bl x-panel-nofooter"
});
var br = bc.wrap({
cls: "ux-start-menu-br"
});
this.keyNav = new Ext.menu.MenuNav(this);
if(this.plain){
el.addClass("x-menu-plain");
}
if(this.cls){
el.addClass(this.cls);
}
// generic focus element
this.focusEl = el.createChild({
tag: "a",
cls: "x-menu-focus",
href: "#",
onclick: "return false;",
tabIndex:"-1"
});
var ul = this.menuPanel.createChild({
tag: "ul",
cls: "x-menu-list"});
var toolsUl = this.toolsPanel.createChild({
tag: "ul",
cls: "x-menu-list"
});
var ulListeners = {
"click": {
fn: this.onClick,
scope: this
},
"mouseover": {
fn: this.onMouseOver,
scope: this
},
"mouseout": {
fn: this.onMouseOut,
scope: this
}
};
ul.on(ulListeners);
this.items.each(
function(item){
var li = document.createElement("li");
li.className = "x-menu-list-item";
ul.dom.appendChild(li);
item.render(li, this);
}, this);
this.ul = ul;
this.autoWidth();
toolsUl.on(ulListeners);
this.toolItems.each(
function(item){
var li = document.createElement("li");
li.className = "x-menu-list-item";
toolsUl.dom.appendChild(li);
item.render(li, this);
}, this);
this.toolsUl = toolsUl;
this.autoWidth();
this.menuBWrap.setStyle('position', 'relative');
this.menuBWrap.setHeight(this.height);
this.menuPanel.setStyle({
padding: '2px',
position: 'absolute',
overflow: 'auto'
});
this.toolsPanel.setStyle({
padding: '2px 4px 2px 2px',
position: 'absolute',
overflow: 'auto'
});
this.setTitle(this.title);
},
// private
findTargetItem : function(e){
var t = e.getTarget(".x-menu-list-item", this.ul, true);
if(t && t.menuItemId){
if(this.items.get(t.menuItemId)){
return this.items.get(t.menuItemId);
}else{
return this.toolItems.get(t.menuItemId);
}
}
},
/**
* Displays this menu relative to another element
* @param {Mixed} element The element to align to
* @param {String} position (optional) The {@link Ext.Element#alignTo} anchor position to use in aligning to
* the element (defaults to this.defaultAlign)
* @param {Ext.ux.StartMenu} parentMenu (optional) This menu's parent menu, if applicable (defaults to undefined)
*/
show : function(el, pos, parentMenu){
this.parentMenu = parentMenu;
if(!this.el){
this.render();
}
this.fireEvent("beforeshow", this);
this.showAt(this.el.getAlignToXY(el, pos || this.defaultAlign), parentMenu, false);
var tPanelWidth = 100;
var box = this.menuBWrap.getBox();
this.menuPanel.setWidth(box.width-tPanelWidth);
this.menuPanel.setHeight(box.height);
this.toolsPanel.setWidth(tPanelWidth);
this.toolsPanel.setX(box.x+box.width-tPanelWidth);
this.toolsPanel.setHeight(box.height);
},
addTool : function(){
var a = arguments, l = a.length, item;
for(var i = 0; i < l; i++){
var el = a[i];
if(el.render){ // some kind of Item
item = this.addToolItem(el);
}else if(typeof el == "string"){ // string
if(el == "separator" || el == "-"){
item = this.addToolSeparator();
}else{
item = this.addText(el);
}
}else if(el.tagName || el.el){ // element
item = this.addElement(el);
}else if(typeof el == "object"){ // must be menu item config?
item = this.addToolMenuItem(el);
}
}
return item;
},
/**
* Adds a separator bar to the Tools
* @return {Ext.menu.Item} The menu item that was added
*/
addToolSeparator : function(){
return this.addToolItem(new Ext.menu.Separator({itemCls: 'ux-toolmenu-sep'}));
},
addToolItem : function(item){
this.toolItems.add(item);
if(this.ul){
var li = document.createElement("li");
li.className = "x-menu-list-item";
this.ul.dom.appendChild(li);
item.render(li, this);
this.delayAutoWidth();
}
return item;
},
addToolMenuItem : function(config){
if(!(config instanceof Ext.menu.Item)){
if(typeof config.checked == "boolean"){ // must be check menu item config?
config = new Ext.menu.CheckItem(config);
}else{
config = new Ext.menu.Item(config);
}
}
return this.addToolItem(config);
},
setTitle : function(title, iconCls){
this.title = title;
this.header.child('span').update(title);
return this;
}
});