分组(Grouping)

Posted 周日, 05/18/2008 - 01:29 by admin


这一篇介绍ExtJs为我们带来了以很强大的效果，网格的分组功能。下面我们来看看它是怎么样实现的。

演示(demo)地址在文章最后.

效果图如下:

用到的有两个文件grouping.html和grouping.js。如果没有特别声明，.html跟.js文件名是一样的。

grouping.html

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<title>Grid3 Grouping Example</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="grouping.js"></script>
    <link rel="stylesheet" type="text/css" href="grid-examples.css" />

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

    <style type="text/css">
        body .x-panel {
            margin-bottom:20px;
        }
        .icon-grid {
            background-image:url(../shared/icons/fam/grid.png) !important;
        }
        #button-grid .x-panel-body {
            border:1px solid #99bbe8;
            border-top:0 none;
        }
        .add {
            background-image:url(../shared/icons/fam/add.gif) !important;
        }
        .option {
            background-image:url(../shared/icons/fam/plugin.gif) !important;
        }
        .remove {
            background-image:url(../shared/icons/fam/delete.gif) !important;
        }
        .save {
            background-image:url(../shared/icons/save.gif) !important;
        }
    </style>
</head>
<body>
<script type="text/javascript" src="../examples.js"></script><!-- EXAMPLES -->
<h1>GridView3 Grouping</h1>
<p>Note that the js is not minified so it is readable. See <a href="grouping.js">grouping.js</a>.</p>

</body>
</html>

grouping.js


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

Ext.onReady(function(){

    Ext.QuickTips.init();
    
    var xg = Ext.grid;

    // shared reader
    var reader = new Ext.data.ArrayReader({}, [
       {name: 'company'},
       {name: 'price', type: 'float'},
       {name: 'change', type: 'float'},
       {name: 'pctChange', type: 'float'},
       {name: 'lastChange', type: 'date', dateFormat: 'n/j h:ia'},
       {name: 'industry'},
       {name: 'desc'}
    ]);

    var grid = new xg.GridPanel({
        store: new Ext.data.GroupingStore({
            reader: reader,
            data: xg.dummyData,
            sortInfo:{field: 'company', direction: "ASC"},
            groupField:'industry'
        }),

        columns: [
            {id:'company',header: "Company", width: 60, sortable: true, dataIndex: 'company'},
            {header: "Price", width: 20, sortable: true, renderer: Ext.util.Format.usMoney, dataIndex: 'price'},
            {header: "Change", width: 20, sortable: true, dataIndex: 'change', renderer: Ext.util.Format.usMoney},
            {header: "Industry", width: 20, sortable: true, dataIndex: 'industry'},
            {header: "Last Updated", width: 20, sortable: true, renderer: Ext.util.Format.dateRenderer('m/d/Y'), dataIndex: 'lastChange'}
        ],

        view: new Ext.grid.GroupingView({
            forceFit:true,
            groupTextTpl: '{text} ({[values.rs.length]} {[values.rs.length > 1 ? "Items" : "Item"]})'
        }),

        frame:true,
        width: 700,
        height: 450,
        collapsible: true,
        animCollapse: false,
        title: 'Grouping Example',
        iconCls: 'icon-grid',
        renderTo: document.body
    });
});



// Array data for the grids
Ext.grid.dummyData = [
    ['3m Co',71.72,0.02,0.03,'4/2 12:00am', 'Manufacturing'],
    ['Alcoa Inc',29.01,0.42,1.47,'4/1 12:00am', 'Manufacturing'],
    ['Altria Group Inc',83.81,0.28,0.34,'4/3 12:00am', 'Manufacturing'],
    ['American Express Company',52.55,0.01,0.02,'4/8 12:00am', 'Finance'],
    ['American International Group, Inc.',64.13,0.31,0.49,'4/1 12:00am', 'Services'],
    ['AT&T Inc.',31.61,-0.48,-1.54,'4/8 12:00am', 'Services'],
    ['Boeing Co.',75.43,0.53,0.71,'4/8 12:00am', 'Manufacturing'],
    ['Caterpillar Inc.',67.27,0.92,1.39,'4/1 12:00am', 'Services'],
    ['Citigroup, Inc.',49.37,0.02,0.04,'4/4 12:00am', 'Finance'],
    ['E.I. du Pont de Nemours and Company',40.48,0.51,1.28,'4/1 12:00am', 'Manufacturing'],
    ['Exxon Mobil Corp',68.1,-0.43,-0.64,'4/3 12:00am', 'Manufacturing'],
    ['General Electric Company',34.14,-0.08,-0.23,'4/3 12:00am', 'Manufacturing'],
    ['General Motors Corporation',30.27,1.09,3.74,'4/3 12:00am', 'Automotive'],
    ['Hewlett-Packard Co.',36.53,-0.03,-0.08,'4/3 12:00am', 'Computer'],
    ['Honeywell Intl Inc',38.77,0.05,0.13,'4/3 12:00am', 'Manufacturing'],
    ['Intel Corporation',19.88,0.31,1.58,'4/2 12:00am', 'Computer'],
    ['International Business Machines',81.41,0.44,0.54,'4/1 12:00am', 'Computer'],
    ['Johnson & Johnson',64.72,0.06,0.09,'4/2 12:00am', 'Medical'],
    ['JP Morgan & Chase & Co',45.73,0.07,0.15,'4/2 12:00am', 'Finance'],
    ['McDonald\'s Corporation',36.76,0.86,2.40,'4/2 12:00am', 'Food'],
    ['Merck & Co., Inc.',40.96,0.41,1.01,'4/2 12:00am', 'Medical'],
    ['Microsoft Corporation',25.84,0.14,0.54,'4/2 12:00am', 'Computer'],
    ['Pfizer Inc',27.96,0.4,1.45,'4/8 12:00am', 'Services', 'Medical'],
    ['The Coca-Cola Company',45.07,0.26,0.58,'4/1 12:00am', 'Food'],
    ['The Home Depot, Inc.',34.64,0.35,1.02,'4/8 12:00am', 'Retail'],
    ['The Procter & Gamble Company',61.91,0.01,0.02,'4/1 12:00am', 'Manufacturing'],
    ['United Technologies Corporation',63.26,0.55,0.88,'4/1 12:00am', 'Computer'],
    ['Verizon Communications',35.57,0.39,1.11,'4/3 12:00am', 'Services'],
    ['Wal-Mart Stores, Inc.',45.45,0.73,1.63,'4/3 12:00am', 'Retail'],
    ['Walt Disney Company (The) (Holding Company)',29.89,0.24,0.81,'4/1 12:00am', 'Services']
];

// add in some dummy descriptions
for(var i = 0; i < Ext.grid.dummyData.length; i++){
    Ext.grid.dummyData[i].push('Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Sed metus nibh, sodales a, porta at, vulputate eget, dui. Pellentesque ut nisl. Maecenas tortor turpis, interdum non, sodales non, iaculis ac, lacus. Vestibulum auctor, tortor quis iaculis malesuada, libero lectus bibendum purus, sit amet tincidunt quam turpis vel lacus. In pellentesque nisl non sem. Suspendisse nunc sem, pretium eget, cursus a, fringilla vel, urna.<br/><br/>Aliquam commodo ullamcorper erat. Nullam vel justo in neque porttitor laoreet. Aenean lacus dui, consequat eu, adipiscing eget, nonummy non, nisi. Morbi nunc est, dignissim non, ornare sed, luctus eu, massa. Vivamus eget quam. Vivamus tincidunt diam nec urna. Curabitur velit.');
}

演示地址：http://extjs.org.cn/extjs/examples/grid/grouping.html

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评论

评论:

by 游客 - 12/02/2009 - 12:54

我想成为一个网页设计师，网站的设计是太棒了。我沉迷于 70-642 exam 和以及 220-602 exam。考试/证书。但它是对的方法 000-330 exam 并了解这些概念是很难啃的骨头。

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