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

[modules/shaper.git] / src / ModelAPI / ModelAPI_Document.h

diff --git a/src/ModelAPI/ModelAPI_Document.h b/src/ModelAPI/ModelAPI_Document.h
index b1aa60c7b41840214668748b376e4479734580be..2a97982b0a79f8b8711a316ac37144bc2b6edd90 100644 (file)
--- a/src/ModelAPI/ModelAPI_Document.h
+++ b/src/ModelAPI/ModelAPI_Document.h
@@ -134,6 +134,10 @@ public:
   //! Returns true if this document is currently active
   virtual bool isActive() const = 0;
 
+  /// Returns true if document is opened and valid
+  virtual bool isOpened() = 0;
+
+
 protected:
   //! Only for SWIG wrapping it is here
   MODELAPI_EXPORT ModelAPI_Document();