Ext.js5带子标题的标题的表格（6）

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代码来源：Ext.js5资源包
view

/** * This example shows how to create a grid with column headers which are nested within * category headers. *这个例子展示了怎么怎么创建有子标题的表格。我觉得有个瑕疵就是这个父标题没法控制子标题的显示隐藏。 *这个没有什么大的变化，还是在view中设置列嵌套列就行了。 * Category headers do not reference Model fields via a `dataIndex`, rather they contain * child header definitions (which may themselves either contain a `dataIndex` or more * levels of headers). */Ext.define('KitchenSink.view.grid.GroupedHeaderGrid', {    extend: 'Ext.grid.Panel',    xtype: 'grouped-header-grid',    store: 'Companies',    columnLines: true,    height: 350,    title: 'Grouped Header Grid',    initComponent: function () {        this.width = 675;        this.columns = [{                text     : 'Company',                flex     : 1,                sortable : true,                dataIndex: 'name'            }, {            //列中嵌套                text: 'Stock Price',                columns: [{                    text     : 'Price',                    width    : 75,                    sortable : true,                    formatter: 'usMoney',                    dataIndex: 'price'                }, {                    text     : 'Change',                    width    : 80,                    sortable : true,                    renderer :  function(val) {                        if (val > 0) {                            return '<span style="color:green;">' + val + '</span>';                        } else if (val < 0) {                            return '<span style="color:red;">' + val + '</span>';                        }                        return val;                    },                    dataIndex: 'change'                }, {                    text     : '% Change',                    width    : 100,                    sortable : true,                    renderer : function(val) {                        if (val > 0) {                            return '<span style="color:green;">' + val + '</span>';                        } else if (val < 0) {                            return '<span style="color:red;">' + val + '</span>';                        }                        return val;                    },                    dataIndex: 'pctChange'                }]            }, {                text     : 'Last Updated',                width    : 115,                sortable : true,                formatter: 'date("m/d/Y")',                dataIndex: 'lastChange'            }];        //Sorting store        //默认设置了一个公司的初始化按ASC顺序排列        Ext.getStore('Companies').sort({property:'name', direction:'ASC'});        this.callParent();    }});

store

Ext.define('KitchenSink.store.Companies', {    extend: 'Ext.data.ArrayStore',    alias: 'store.companies',    model: 'KitchenSink.model.Company',    data: [        [0,  '3m Co',                                       71.72, 0.02,  0.03,  '9/1 12:00am', 'Manufacturing'],        [1,  'Alcoa Inc',                                   29.01, 0.42,  1.47,  '9/1 12:00am', 'Manufacturing'],        [2,  'Altria Group Inc',                            83.81, 0.28,  0.34,  '9/1 12:00am', 'Manufacturing'],        [3,  'American Express Company',                    52.55, 0.01,  0.02,  '9/1 12:00am', 'Finance'],        [4,  'American International Group, Inc.',          64.13, 0.31,  0.49,  '9/1 12:00am', 'Services'],        [5,  'AT&T Inc.',                                   31.61, -0.48, -1.54, '9/1 12:00am', 'Services'],        [6,  'Boeing Co.',                                  75.43, 0.53,  0.71,  '9/1 12:00am', 'Manufacturing'],        [7,  'Caterpillar Inc.',                            67.27, 0.92,  1.39,  '9/1 12:00am', 'Services'],        [8,  'Citigroup, Inc.',                             49.37, 0.02,  0.04,  '9/1 12:00am', 'Finance'],        [9,  'E.I. du Pont de Nemours and Company',         40.48, 0.51,  1.28,  '9/1 12:00am', 'Manufacturing'],        [10, 'Exxon Mobil Corp',                            68.1,  -0.43, -0.64, '9/1 12:00am', 'Manufacturing'],        [11, 'General Electric Company',                    34.14, -0.08, -0.23, '9/1 12:00am', 'Manufacturing'],        [12, 'General Motors Corporation',                  30.27, 1.09,  3.74,  '9/1 12:00am', 'Automotive'],        [13, 'Hewlett-Packard Co.',                         36.53, -0.03, -0.08, '9/1 12:00am', 'Computer'],        [14, 'Honeywell Intl Inc',                          38.77, 0.05,  0.13,  '9/1 12:00am', 'Manufacturing'],        [15, 'Intel Corporation',                           19.88, 0.31,  1.58,  '9/1 12:00am', 'Computer'],        [16, 'International Business Machines',             81.41, 0.44,  0.54,  '9/1 12:00am', 'Computer'],        [17, 'Johnson & Johnson',                           64.72, 0.06,  0.09,  '9/1 12:00am', 'Medical'],        [18, 'JP Morgan & Chase & Co',                      45.73, 0.07,  0.15,  '9/1 12:00am', 'Finance'],        [19, 'McDonald\'s Corporation',                     36.76, 0.86,  2.40,  '9/1 12:00am', 'Food'],        [20, 'Merck & Co., Inc.',                           40.96, 0.41,  1.01,  '9/1 12:00am', 'Medical'],        [21, 'Microsoft Corporation',                       25.84, 0.14,  0.54,  '9/1 12:00am', 'Computer'],        [22, 'Pfizer Inc',                                  27.96, 0.4,   1.45,  '9/1 12:00am', 'Medical'],        [23, 'The Coca-Cola Company',                       45.07, 0.26,  0.58,  '9/1 12:00am', 'Food'],        [24, 'The Home Depot, Inc.',                        34.64, 0.35,  1.02,  '9/1 12:00am', 'Retail'],        [25, 'The Procter & Gamble Company',                61.91, 0.01,  0.02,  '9/1 12:00am', 'Manufacturing'],        [26, 'United Technologies Corporation',             63.26, 0.55,  0.88,  '9/1 12:00am', 'Computer'],        [27, 'Verizon Communications',                      35.57, 0.39,  1.11,  '9/1 12:00am', 'Services'],        [28, 'Wal-Mart Stores, Inc.',                       45.45, 0.73,  1.63,  '9/1 12:00am', 'Retail'],        [29, 'Walt Disney Company (The) (Holding Company)', 29.89, 0.24,  0.81,  '9/1 12:00am', 'Services']    ]}, function(cls) {    var data = cls.prototype.config.data;    for(var i = 0; i < data.length; i++){        data[i].push('Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Sed metus nibh, sodales a, porta at, vulputate eget, dui. Pellentesque ut nisl. ');    }});

model

Ext.define('KitchenSink.model.Company', {    extend: 'KitchenSink.model.Base',    fields: [        {name: 'name'},        {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'},        // Trend begins with the cerrent price. Changes get pushed onto the end        {            name: 'trend',            convert: function(value, record) {                // Record creation call with no trend there: start with current price                if (value === null) {                    return [record.get('price')];                }                return Ext.isArray(value) ? value : [ value ];            }         },        // Rating dependent upon performance 0 = best, 2 = worst        {            name: 'rating',            type: 'int',            convert: function(value, record) {                var pct = record.get('pctChange');                if (pct < 0)                    return 2;                if (pct < 1)                    return 1;                return 0;            }        }    ],    // Override to keep the last 10 prices in the trend field    set: function(fieldName, value) {        if (fieldName === 'price') {            this.callParent([{                price: value,                trend: this.addToTrend(fieldName.price)            }]);        }        else {            if (typeof fieldName !== 'string' && 'price' in fieldName) {                fieldName.trend = this.addToTrend(fieldName.price);            }            this.callParent(arguments);        }    },    // Override to keep the last 10 prices in the trend field    addToTrend: function(value) {        var trend = this.data.trend.concat(value);        if (trend.length > 10) {            Ext.Array.splice(trend, 0, trend.length - 10);        }        return trend;    }});

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