How to disable the delete button using if condition in Extjs for ex;i want to disable the button if it satifies the given if condition else remain enabled.
if(validAction(entityHash.get('entity.xyz'),actionHash.get('action.delete')))
This is the grid Delete button code.
Ext.reg("gridheaderbar-inActive", Ad.GridInActiveButton,{
xtype: 'tbspacer', width: 5
});
Ad.GridCampDeleteButton = Ext.extend(Ext.Toolbar.Button, {
//text: 'Delete',
cls: 'ad-img-button',
width:61,
height:40,
iconCls: 'ad-btn-icon',
icon: '/webapp/resources/images/btn_del.png',
handler:function(){
statusChange(this.parentBar.parentGrid, 'Delete')
}
});