/// the operation can be committed and do it if it returns true.
void onAcceptActionClicked();
+ /// Called by OkPlus button clicked in the property panel. Asks the error manager whether
+ /// the operation can be committed and do it if it returns true.
+ void onAcceptPlusActionClicked();
+
/// Called by Preview button clicked in the property panel. Sends signal to model to
/// compute preview.
void onPreviewActionClicked();