X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FModuleBase%2FModuleBase_ViewerPrs.h;h=419447edb1096006ce2c438123e49df921dd9a14;hb=f9fd953bf814fad40ae045f6164c7f80229b0872;hp=3a189d37bda920f965a7136f4972715a7c5b9b3d;hpb=537afa7e604c3b071def66b40f00a04cb74261de;p=modules%2Fshaper.git

diff --git a/src/ModuleBase/ModuleBase_ViewerPrs.h b/src/ModuleBase/ModuleBase_ViewerPrs.h
index 3a189d37b..419447edb 100644
--- a/src/ModuleBase/ModuleBase_ViewerPrs.h
+++ b/src/ModuleBase/ModuleBase_ViewerPrs.h
@@ -17,37 +17,28 @@
 #include <ModelAPI_Result.h>
 
 /**\class ModuleBase_ViewerPrs
- * \ingroup Module base
+ * \ingroup GUI
  * \brief Presentation. Provides container to have feature, shape and/or selection owner.
  */
-class ModuleBase_ViewerPrs
+class MODULEBASE_EXPORT ModuleBase_ViewerPrs
 {
  public:
   /// Constructor
-  ModuleBase_ViewerPrs()
-  {
-  }
+  ModuleBase_ViewerPrs();
 
   /// Constructor
   /// \param theResult an object
   /// \param theShape a viewer shape
   /// \param theOwner a selection owner
   ModuleBase_ViewerPrs(ObjectPtr theResult, const TopoDS_Shape& theShape,
-                       Handle_SelectMgr_EntityOwner theOwner)
-      : myResult(theResult),
-        myShape(theShape),
-        myOwner(theOwner)
-  {
-  }
+                       Handle_SelectMgr_EntityOwner theOwner);
 
   /// Destructor
-  virtual ~ModuleBase_ViewerPrs()
-  {
-  }
+  virtual ~ModuleBase_ViewerPrs();
 
   /// Sets the object.
   /// \param theResult an object instance
-  void setFeature(ObjectPtr theResult)
+  void setObject(ObjectPtr theResult)
   {
     myResult = theResult;
   }
@@ -100,6 +91,14 @@ class ModuleBase_ViewerPrs
     return myInteractive;
   }
 
+  /// Returns true if all presentation fields are empty
+  /// \return boolean value
+  bool isEmpty() const
+  {
+    return myShape.IsNull() &&
+           myOwner.IsNull() && !myResult.get();
+  }
+
   /// Returns True if the current object is equal to the given one
   /// \param thePrs an object to compare
   bool operator==(const ModuleBase_ViewerPrs& thePrs)