对话框(MessageBox)

Posted 周二, 06/17/2008 - 14:03 by admin

ExtJs中的消息对话框一样是最吸引我们的地方,为你的页面添加了许多新的元素.出来的对话框不再是千篇一律的浏览器自带的样式.

演示(demo)地址在文章最后.

效果图:

ExtJs中的消息对话框一样是最吸引我们的地方,为你的页面添加了许多新的元素.出来的对话框不再是千篇一律的浏览器自带的样式.

演示(demo)地址在文章最后.

效果图:

例子包括两个文件msg-box.html 和 msg-box.js

msg-box.html

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>MessageBox</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="msg-box.js"></script>

    <!-- Common Styles for the examples -->
    <link rel="stylesheet" type="text/css" href="../examples.css" />

    <style type="text/css">
        .x-window-dlg .ext-mb-download {
            background:transparent url(images/download.gif) no-repeat top left;
            height:46px;
        }
    </style>
</head>
<body>
<script type="text/javascript" src="../examples.js"></script><!-- EXAMPLES -->
<h1>MessageBox Dialogs</h1>
<p>The example shows how to use the MessageBox class. Some of the buttons have animations, some are normal.</p>
<p>The js is not minified so it is readable. See <a href="msg-box.js">msg-box.js</a>.</p>

<p>
    <b>Confirm</b><br />
    Standard Yes/No dialog.
    <button id="mb1">Show</button>
</p>

<p>
    <b>Prompt</b><br />
    Standard prompt dialog.
    <button id="mb2">Show</button>
</p>

<p>
    <b>Multi-line Prompt</b><br />
    A multi-line prompt dialog.
    <button id="mb3">Show</button>
</p>

<p>
    <b>Yes/No/Cancel</b><br />
    Standard Yes/No/Cancel dialog.
    <button id="mb4">Show</button>
</p>

<p>
    <b>Progress Dialog</b><br />
    Dialog with measured progress bar.
    <button id="mb6">Show</button>
</p>

<p>
    <b>Wait Dialog</b><br />
    Dialog with indefinite progress bar and custom icon (will close after 8 sec).
    <button id="mb7">Show</button>
</p>

<p>
    <b>Alert</b><br />
    Standard alert message dialog.
    <button id="mb8">Show</button>
</p>

<p>
    <b>Icons</b><br />
    Standard alert with optional icon.
    <select id="icons">
        <option id="error" selected="selected">Error</option>
        <option id="info">Informational</option>
        <option id="question">Question</option>
        <option id="warning">Warning</option>
    </select>
    <button id="mb9">Show</button>
</p>
</body>
</html>

msg-box.js

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

Ext.onReady(function(){
    Ext.get('mb1').on('click', function(e){
        Ext.MessageBox.confirm('Confirm', 'Are you sure you want to do that?', showResult);
    });

    Ext.get('mb2').on('click', function(e){
        Ext.MessageBox.prompt('Name', 'Please enter your name:', showResultText);
    });

    Ext.get('mb3').on('click', function(e){
        Ext.MessageBox.show({
           title: 'Address',
           msg: 'Please enter your address:',
           width:300,
           buttons: Ext.MessageBox.OKCANCEL,
           multiline: true,
           fn: showResultText,
           animEl: 'mb3'
       });
    });

    Ext.get('mb4').on('click', function(e){
        Ext.MessageBox.show({
           title:'Save Changes?',
           msg: 'You are closing a tab that has unsaved changes. <br />Would you like to save your changes?',
           buttons: Ext.MessageBox.YESNOCANCEL,
           fn: showResult,
           animEl: 'mb4',
           icon: Ext.MessageBox.QUESTION
       });
    });

    Ext.get('mb6').on('click', function(){
        Ext.MessageBox.show({
           title: 'Please wait',
           msg: 'Loading items...',
           progressText: 'Initializing...',
           width:300,
           progress:true,
           closable:false,
           animEl: 'mb6'
       });

       // this hideous block creates the bogus progress
       var f = function(v){
            return function(){
                if(v == 12){
                    Ext.MessageBox.hide();
                    Ext.example.msg('Done', 'Your fake items were loaded!');
                }else{
                    var i = v/11;
                    Ext.MessageBox.updateProgress(i, Math.round(100*i)+'% completed');
                }
           };
       };
       for(var i = 1; i < 13; i++){
           setTimeout(f(i), i*500);
       }
    });

    Ext.get('mb7').on('click', function(){
        Ext.MessageBox.show({
           msg: 'Saving your data, please wait...',
           progressText: 'Saving...',
           width:300,
           wait:true,
           waitConfig: {interval:200},
           icon:'ext-mb-download', //custom class in msg-box.html
           animEl: 'mb7'
       });
        setTimeout(function(){
            //This simulates a long-running operation like a database save or XHR call.
            //In real code, this would be in a callback function.
            Ext.MessageBox.hide();
            Ext.example.msg('Done', 'Your fake data was saved!');
        }, 8000);
    });

    Ext.get('mb8').on('click', function(){
        Ext.MessageBox.alert('Status', 'Changes saved successfully.', showResult);
    });

    //Add these values dynamically so they aren't hard-coded in the html
    Ext.fly('info').dom.value = Ext.MessageBox.INFO;
    Ext.fly('question').dom.value = Ext.MessageBox.QUESTION;
    Ext.fly('warning').dom.value = Ext.MessageBox.WARNING;
    Ext.fly('error').dom.value = Ext.MessageBox.ERROR;

    Ext.get('mb9').on('click', function(){
        Ext.MessageBox.show({
           title: 'Icon Support',
           msg: 'Here is a message with an icon!',
           buttons: Ext.MessageBox.OK,
           animEl: 'mb9',
           fn: showResult,
           icon: Ext.get('icons').dom.value
       });
    });

    function showResult(btn){
        Ext.example.msg('Button Click', 'You clicked the {0} button', btn);
    };

    function showResultText(btn, text){
        Ext.example.msg('Button Click', 'You clicked the {0} button and entered the text "{1}".', btn, text);
    };
});

演示地址: http://extjs.org.cn/extjs/examples/message-box/msg-box.html