text: Ext.require([
      'Ext.grid.*',
      'Ext.data.*',
      'Ext.util.*',
      'Ext.state.*'
  ]);
  
  // Define Company entity
  // Null out built in convert functions for performance *because the raw data is known to be valid*
  // Specifying defaultValue as undefined will also save code. *As long as there will always be values in the data, or the app tolerates undefined field values*
  Ext.define('Company', {
      extend: 'Ext.data.Model',
      fields: [
         {name: 'company'},
         {name: 'price',      type: 'float', convert: null,     defaultValue: undefined},
         {name: 'change',     type: 'float', convert: null,     defaultValue: undefined},
         {name: 'pctChange',  type: 'float', convert: null,     defaultValue: undefined},
         {name: 'lastChange', type: 'date',  dateFormat: 'n/j h:ia', defaultValue: undefined}
      ],
      idProperty: 'company'
  });
  
  Ext.onReady(function() {
      Ext.QuickTips.init();
      
      // setup the state provider, all state information will be saved to a cookie
      Ext.state.Manager.setProvider(Ext.create('Ext.state.CookieProvider'));
  
      // 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', {
          model: 'Company',
          data: myData
      });
  
      // create the Grid
      var grid = Ext.create('Ext.grid.Panel', {
          store: store,
          stateful: true,
          collapsible: true,
          multiSelect: true,
          stateId: 'stateGrid',
          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'
              },
              {
                  menuDisabled: true,
                  sortable: false,
                  xtype: 'actioncolumn',
                  width: 50,
                  items: [{
                      icon   : '../shared/icons/fam/delete.gif',  // Use a URL in the icon config
                      tooltip: 'Sell stock',
                      handler: function(grid, rowIndex, colIndex) {
                          var rec = store.getAt(rowIndex);
                          alert("Sell " + rec.get('company'));
                      }
                  }, {
                      getClass: function(v, meta, rec) {          // Or return a class from a function
                          if (rec.get('change') < 0) {
                              return 'alert-col';
                          } else {
                              return 'buy-col';
                          }
                      },
                      getTip: function(v, meta, rec) {
                          if (rec.get('change') < 0) {
                              return 'Hold stock';
                          } else {
                              return 'Buy stock';
                          }
                      },
                      handler: function(grid, rowIndex, colIndex) {
                          var rec = store.getAt(rowIndex);
                          alert((rec.get('change') < 0 ? "Hold " : "Buy ") + rec.get('company'));
                      }
                  }]
              }
          ],
          height: 350,
          width: 600,
          title: 'Array Grid',
          renderTo: 'grid-example',
          viewConfig: {
              stripeRows: true,
              enableTextSelection: true
          }
      });
  });
  