/*
 * Ext JS Library 2.2.1
 * Copyright(c) 2006-2009, Ext JS, LLC.
 * licensing@extjs.com
 * 
 * http://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);