Ext.define('com.SomeName', {

extend: 'Ext.grid.Panel',
xtype: 'GridPanelXtype',
id: 'GridPanel',
controller: 'GridPanelController',
title: 'GridPanel <span style ="margin-left: 620px"><img class="Some class" src> Accept</span>',
flex: 1,
layout: 'fit',

columns: [{
    header : 'column1',
    sortable : true,
    flex:1,
    menuDisabled: true
},{
    header : 'column2',
    sortable : true,
    flex:1,
    menuDisabled: true
},{
    header: 'column3',
    flex: 1,
    sortable: true,
    format: 'm/d/y',
    menuDisabled: true
},{
    header: 'column4',
    flex: 1,
    sortable: true,
    menuDisabled: true
}]
});

Ext.define('com.HomeScreen', {
extend: 'Ext.form.Panel',
xtype: 'newHomePage',
controller: 'tabpanelController',
items: [{
        xtype: 'tabpanel',
        id: 'advertiseHomeContainer',
        anchor: '100% 100%',
        border: 2,
        layout: 'column',
        controller: 'tabpanelController',
        items: [{
           id: 'tab1',
            title: 'Tab Panel title',
            xtype : 'GridPanelXtype',
        }],
 }]
});