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

SampleGrid = function(limitColumns) {

    function italic(value) {
        return '<i>' + value + '</i>';
    }

    function change(val) {
        if (val > 0) {
            return '<span style="color:green;">' + val + '</span>';
        } else if (val < 0) {
            return '<span style="color:red;">' + val + '</span>';
        }
        return val;
    }

    function pctChange(val) {
        if (val > 0) {
            return '<span style="color:green;">' + val + '%</span>';
        } else if (val < 0) {
            return '<span style="color:red;">' + val + '%</span>';
        }
        return val;
    }


    var columns = [
        { id: 'company', header: "Company", width: 160, sortable: true, dataIndex: 'company' },
        { header: "Price", width: 75, sortable: true, renderer: Ext.util.Format.usMoney, dataIndex: 'price' },
        { header: "Change", width: 75, sortable: true, renderer: change, dataIndex: 'change' },
        { header: "% Change", width: 75, sortable: true, renderer: pctChange, dataIndex: 'pctChange' },
        { header: "Last Updated", width: 85, sortable: true, renderer: Ext.util.Format.dateRenderer('m/d/Y'), dataIndex: 'lastChange' }
    ];

    // allow samples to limit columns
    if (limitColumns) {
        var cs = [];
        for (var i = 0, len = limitColumns.length; i < len; i++) {
            cs.push(columns[limitColumns[i]]);
        }
        columns = cs;
    }

    SampleGrid.superclass.constructor.call(this, {
        store: new Ext.data.Store({
            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' }
              ]),
            data: [
                ['3m Co', 71.72, 0.02, 0.03, '9/1 12:00am'],
                ['Alcoa Inc', 29.01, 0.42, 1.47, '9/1 12:00am'],
                ['Altria Group Inc', 83.81, 0.28, 0.34, '9/1 12:00am'],
                ['American Express Company', 52.55, 0.01, 0.02, '9/1 12:00am'],
                ['American International Group, Inc.', 64.13, 0.31, 0.49, '9/1 12:00am'],
                ['AT&T Inc.', 31.61, -0.48, -1.54, '9/1 12:00am'],
                ['Boeing Co.', 75.43, 0.53, 0.71, '9/1 12:00am'],
                ['Caterpillar Inc.', 67.27, 0.92, 1.39, '9/1 12:00am'],
                ['Citigroup, Inc.', 49.37, 0.02, 0.04, '9/1 12:00am'],
                ['E.I. du Pont de Nemours and Company', 40.48, 0.51, 1.28, '9/1 12:00am'],
                ['Exxon Mobil Corp', 68.1, -0.43, -0.64, '9/1 12:00am'],
                ['General Electric Company', 34.14, -0.08, -0.23, '9/1 12:00am'],
                ['General Motors Corporation', 30.27, 1.09, 3.74, '9/1 12:00am'],
                ['Hewlett-Packard Co.', 36.53, -0.03, -0.08, '9/1 12:00am'],
                ['Honeywell Intl Inc', 38.77, 0.05, 0.13, '9/1 12:00am'],
                ['Intel Corporation', 19.88, 0.31, 1.58, '9/1 12:00am'],
                ['International Business Machines', 81.41, 0.44, 0.54, '9/1 12:00am'],
                ['Johnson & Johnson', 64.72, 0.06, 0.09, '9/1 12:00am'],
                ['JP Morgan & Chase & Co', 45.73, 0.07, 0.15, '9/1 12:00am'],
                ['McDonald\'s Corporation', 36.76, 0.86, 2.40, '9/1 12:00am'],
                ['Merck & Co., Inc.', 40.96, 0.41, 1.01, '9/1 12:00am'],
                ['Microsoft Corporation', 25.84, 0.14, 0.54, '9/1 12:00am'],
                ['Pfizer Inc', 27.96, 0.4, 1.45, '9/1 12:00am'],
                ['The Coca-Cola Company', 45.07, 0.26, 0.58, '9/1 12:00am'],
                ['The Home Depot, Inc.', 34.64, 0.35, 1.02, '9/1 12:00am'],
                ['The Procter & Gamble Company', 61.91, 0.01, 0.02, '9/1 12:00am'],
                ['United Technologies Corporation', 63.26, 0.55, 0.88, '9/1 12:00am'],
                ['Verizon Communications', 35.57, 0.39, 1.11, '9/1 12:00am'],
                ['Wal-Mart Stores, Inc.', 45.45, 0.73, 1.63, '9/1 12:00am']
            ]
        }),
        columns: columns,
        autoExpandColumn: 'company',
        height: 250,
        width: 600
    });


}

Ext.extend(SampleGrid, Ext.grid.GridPanel);