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Ext.ux.TabCloseMenu插件的使用(TabPanel右键关闭菜单) 示例

程序员文章站 2022-03-10 13:30:43
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Ext.ux.TabCloseMenu插件的使用(TabPanel右键关闭菜单) 示例

效果:

 

Ext.ux.TabCloseMenu插件的使用(TabPanel右键关闭菜单) 示例
            
    
    博客分类: ExtJS EXTJavaScriptCSSJSPHTML 

创建调用的HTML:

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GBK" />
<title></title>
<link rel="stylesheet" type="text/css" href="extjs/resources/css/ext-all.css" />
 <script type="text/javascript" src="extjs/adapter/ext/ext-base.js"></script>
 <script type="text/javascript" src="extjs/ext-all.js"></script>
 <script type="text/javascript" src="./TabCloseMenu.js"></script>
<style type="text/css">
</style>
<script>
Ext.onReady(function(){
          new Ext.TabPanel({
            renderTo : document.body,
            region:'fit',
            deferredRender:false,
            activeTab:0,
            resizeTabs:true, // turn on tab resizing
            minTabWidth: 115,
            tabWidth:135,
            enableTabScroll:true,
            items:[{title:"title1",id:'tab1',closable:true},{title:"title2",id:'tab2',closable:true},{title:"title3",id:'tab3',closable:true}],
            plugins: new Ext.ux.TabCloseMenu()
         });
});
</script>
</head>
<body>
</body>
</html>

 

Ext.ux.TabCloseMenu文件源码:

/*
 * Ext JS Library 2.2
 * Copyright(c) 2006-2008, Ext JS, LLC.
 * licensing@extjs.com
 *
 * http://extjs.com/license
 */


// Very simple plugin for adding a close context menu to tabs

Ext.ux.TabCloseMenu = function(){
    var tabs, menu, ctxItem;
    this.init = function(tp){
        tabs = tp;
        tabs.on('contextmenu', onContextMenu);
    }

    function onContextMenu(ts, item, e){
        if(!menu){ // create context menu on first right click
            menu = new Ext.menu.Menu([{
                id: tabs.id + '-close',
                text: '关闭标签',
                handler : function(){
                    tabs.remove(ctxItem);
                }
            },{
                id: tabs.id + '-close-others',
                text: '关闭其他标签',
                handler : function(){
                    tabs.items.each(function(item){
                        if(item.closable && item != ctxItem){
                            tabs.remove(item);
                        }
                    });
                }
            },{
                id: tabs.id + '-close-all',
                text: '关闭全部标签',
                handler : function(){
                    tabs.items.each(function(item){
                        if(item.closable){
                            tabs.remove(item);
                        }
                    });
                }
            }]);
        }
        ctxItem = item;
        var items = menu.items;
        items.get(tabs.id + '-close').setDisabled(!item.closable);
        var disableOthers = true;
        tabs.items.each(function(){
            if(this != item && this.closable){
                disableOthers = false;
                return false;
            }
        });
        items.get(tabs.id + '-close-others').setDisabled(disableOthers);
        var disableAll = true;
        tabs.items.each(function(){
            if(this.closable){
                disableAll = false;
                return false;
            }
        });
        items.get(tabs.id + '-close-all').setDisabled(disableAll);
        menu.showAt(e.getPoint());
    }
};