Ext.define('PVE.form.VMIDSelector', { extend: 'Ext.form.field.Number', alias: 'widget.pveVMIDSelector', allowBlank: false, minValue: 100, maxValue: 999999999, validateExists: undefined, validator: function(value) { var me = this; if (!Ext.isDefined(me.validateExists)) { return true; } if (PVE.data.ResourceStore.findVMID(value)) { if (me.validateExists === true) { return true; } return "This VM ID is already in use."; } else { if (me.validateExists === false) { return true; } return "This VM ID does not exists."; } }, initComponent: function() { var me = this; Ext.applyIf(me, { fieldLabel: 'VM ID' }); me.callParent(); } });