Make correct management of concealed on history position changes (on edit, manual...

[modules/shaper.git] / src / Model / Model_Document.h

diff --git a/src/Model/Model_Document.h b/src/Model/Model_Document.h
index 1aaca02ac372e4563dd4ad1706f6c611e72f239e..586d50a28b8981ee6443a898a4a3c8d84c48a9d4 100644 (file)
--- a/src/Model/Model_Document.h
+++ b/src/Model/Model_Document.h
@@ -179,6 +179,9 @@ class Model_Document : public ModelAPI_Document
   /// Decreases the transaction ID
   MODEL_EXPORT virtual void decrementTransactionID();
 
+  /// Returns true if document is opened and valid
+  MODEL_EXPORT virtual bool isOpened();
+
  protected:
   //! Returns (creates if needed) the general label
   TDF_Label generalLabel() const;