Ext 动作(Ext Actions)

Posted 周三, 06/25/2008 - 14:24 by admin


演示(demo)地址在文章最后.

效果图如下

主要文件actions.html,actions.js。

actions.html

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
    <title>Actions</title>
    <link rel="stylesheet" type="text/css" href="../../resources/css/ext-all.css" />

    <!-- GC -->
 	<!-- LIBS -->
 	<script type="text/javascript" src="../../adapter/ext/ext-base.js"></script>
 	<!-- ENDLIBS -->

    <script type="text/javascript" src="../../ext-all.js"></script>

    <script type="text/javascript" src="actions.js"></script>
    <link rel="stylesheet" type="text/css" href="menus.css" />

    <!-- Common Styles for the examples -->
    <link rel="stylesheet" type="text/css" href="../examples.css" />
</head>
<body>
<script type="text/javascript" src="../examples.js"></script><!-- EXAMPLES -->
<h1>Using Ext.Action</h1>
<p>Actions let you share handlers, configuration and updates across Toolbar, Button and Menu components.</p>
<p>The js is not minified so it is readable. See <a href="actions.js">actions.js</a>.</p>
</body>
</html>

actions.js

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

Ext.onReady(function(){
    // The action
    var action = new Ext.Action({
        text: 'Action 1',
        handler: function(){
            Ext.example.msg('Click','You clicked on "Action 1".');
        },
        iconCls: 'blist'
    });


    var panel = new Ext.Panel({
        title: 'Actions',
        width:600,
        height:300,
        bodyStyle: 'padding:10px;',     // lazy inline style

        tbar: [
            action, {                   // <-- Add the action directly to a toolbar
                text: 'Action Menu',
                menu: [action]          // <-- Add the action directly to a menu
            }
        ],

        items: [
           new Ext.Button(action)       // <-- Add the action as a button
        ],

        renderTo: Ext.getBody()
    });


    // Buttons added to the toolbar of the Panel above
    // to test/demo doing group operations with an action
    panel.getTopToolbar().add('->', {
        text: 'Disable',
        handler: function(){
            action.setDisabled(!action.isDisabled());
            this.setText(action.isDisabled() ? 'Enable' : 'Disable');
        }
    }, {
        text: 'Change Text',
        handler: function(){
            Ext.Msg.prompt('Enter Text', 'Enter new text for Action 1:', function(btn, text){
                if(btn == 'ok' && text){
                    action.setText(text);
                    action.setHandler(function(){
                        Ext.example.msg('Click','You clicked on "'+text+'".');
                    });
                }
            });
        }
    }, {
        text: 'Change Icon',
        handler: function(){
            action.setIconClass(action.getIconClass() == 'blist' ? 'bmenu' : 'blist');
        }
    });
});

演示地址:http://extjs.org.cn/extjs/examples/menu/actions.html

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