+
+ onDisable: function(){
+ this.callParent();
+ var fromField = this.fromField;
+
+ // if we have one, we have both, they get created at the same time
+ if (fromField) {
+ fromField.disable();
+ this.toField.disable();
+ }
+ },
+
+ onEnable: function(){
+ this.callParent();
+ var fromField = this.fromField;
+
+ // if we have one, we have both, they get created at the same time
+ if (fromField) {
+ fromField.enable();
+ this.toField.enable();
+ }
+ },