// boolean type including 'Default' (delete property from file) Ext.define('PVE.form.Boolean', { extend: 'PVE.form.KVComboBox', alias: ['widget.booleanfield'], initComponent: function() { var me = this; me.data = [ ['', gettext('Default')], [1, gettext('Yes')], [0, gettext('No')] ]; me.callParent(); } });