Ext.require([
    'Ext.grid.*',
    'Ext.data.*',
    'Ext.util.*',
    'Ext.Action'
]);

Ext.onReady(function() {
    Ext.QuickTips.init();

    // sample static data for the store
    var myData = [
        ['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']
    ];

    /**
     * Custom function used for column renderer
     * @param {Object} val
     */
    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;
    }

    /**
     * Custom function used for column renderer
     * @param {Object} 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;
    }

    // create the data store
    var store = Ext.create('Ext.data.ArrayStore', {
        fields: [
           {name: 'company'},
           {name: 'price',      type: 'float'},
           {name: 'change',     type: 'float'},
           {name: 'pctChange',  type: 'float'},
           {name: 'lastChange', type: 'date', dateFormat: 'n/j h:ia'}
        ],
        data: myData
    });

    var sellAction = Ext.create('Ext.Action', {
        icon   : '../shared/icons/fam/delete.gif',  // Use a URL in the icon config
        text: 'Sell stock',
        disabled: true,
        handler: function(widget, event) {
            var rec = grid.getSelectionModel().getSelection()[0];
            if (rec) {
                Ext.example.msg('Sell', 'Sell ' + rec.get('company'));
            }
        }
    });
    var buyAction = Ext.create('Ext.Action', {
        iconCls: 'buy-button',
        text: 'Buy stock',
        disabled: true,
        handler: function(widget, event) {
            var rec = grid.getSelectionModel().getSelection()[0];
            if (rec) {
                Ext.example.msg('Buy', 'Buy ' + rec.get('company'));
            }
        }
    });

    var contextMenu = Ext.create('Ext.menu.Menu', {
        items: [
            buyAction,
            sellAction
        ]
    });

    // create the Grid
    var grid = Ext.create('Ext.grid.Panel', {
        store: store,
        columnLines: true,
        columns: [
            {
                text     : 'Company',
                flex     : 1,
                sortable : false,
                dataIndex: 'company'
            },
            {
                text     : 'Price',
                width    : 75,
                sortable : true,
                renderer : 'usMoney',
                dataIndex: 'price'
            },
            {
                text     : 'Change',
                width    : 75,
                sortable : true,
                renderer : change,
                dataIndex: 'change'
            },
            {
                text     : '% Change',
                width    : 75,
                sortable : true,
                renderer : pctChange,
                dataIndex: 'pctChange'
            },
            {
                text     : 'Last Updated',
                width    : 85,
                sortable : true,
                renderer : Ext.util.Format.dateRenderer('m/d/Y'),
                dataIndex: 'lastChange'
            }
        ],
        dockedItems: [{
            xtype: 'toolbar',
            items: [
                buyAction, sellAction
            ]
        }],
        viewConfig: {
            stripeRows: true,
            listeners: {
                itemcontextmenu: function(view, rec, node, index, e) {
                    e.stopEvent();
                    contextMenu.showAt(e.getXY());
                    return false;
                }
            }
        },
        height: 350,
        width: 600,
        title: 'Action Grid',
        renderTo: 'grid-example',
        stateful: false
    });

    grid.getSelectionModel().on({
        selectionchange: function(sm, selections) {
            if (selections.length) {
                buyAction.enable();
                sellAction.enable();
            } else {
                buyAction.disable();
                sellAction.disable();
            }
        }
    });
});
