X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FModuleBase%2FModuleBase_Operation.h;h=0fffbc0fdae9bea6f8bfd4fbf3e9678e2b79f2f1;hb=622ac935fd1d8a5bc282ee127666a3e9d1954713;hp=9a34e6423d326db9d12ac3012448614579acda58;hpb=9503b9474d57935de95296dfe6587f6422a6d85d;p=modules%2Fshaper.git

diff --git a/src/ModuleBase/ModuleBase_Operation.h b/src/ModuleBase/ModuleBase_Operation.h
index 9a34e6423..0fffbc0fd 100644
--- a/src/ModuleBase/ModuleBase_Operation.h
+++ b/src/ModuleBase/ModuleBase_Operation.h
@@ -90,12 +90,18 @@ Q_OBJECT
   ModuleBase_IPropertyPanel* propertyPanel() const { return myPropertyPanel; }
 
 signals:
+  /// The operation is started
+  void beforeStarted();
   /// The operation is started
   void started();
 
+  /// The operation is aborted
+  void beforeAborted();
   /// The operation is aborted
   void aborted();
 
+  /// The operation is committed
+  void beforeCommitted();
   /// The operation is committed
   void committed();
 
@@ -115,7 +121,8 @@ signals:
   /// to change behavior of operation. There is no point in using this method. It would
   /// be better to inherit own operator from base one and redefine startOperation method
   /// instead.
-  virtual void start();
+  /// \return true if the start is successful
+  virtual bool start();
 
   /// Deactivates current operation which can be resumed later.
   virtual void postpone();