+ ///Validates the dimension compliance of the images with the maximum and minimum given, and between their sizes
+ bool ValidateSelected (tree::Node* sel, int min_dim, int max_dim);
+
+ ///Reads the vector of images, builds it in the dimension required and returns them in the supplied vector.
+ void ReadImagesNotThreaded(std::vector<vtkImageData*>& s,std::vector<std::string> files, int dim);
+ ///Requests the reading of an image with priority and index in the
+ /// current selection (-1 if not in selection)
+ void RequestReading(tree::Node* n, int prio, int selection_index , ImagePointerHolder *p);
+
+
+ ///Obtains the message of the state
+ std::string GetMessage(){return mMess;}
+ ///Obtains the message of the state
+ void SetMessage(std::string mess){mMess=mess;}
+ ///Resets the data of the extent and begins a new selection
+ void ResetExtent();
+
+ /// Create the tree views
+ void CreateTreeViews();
+
+ /// Create the tree view for TreeHandler provided
+ virtual void CreateTreeView( TreeHandler*, TimestampDatabaseHandler* )
+ { GimmickError("INTERNAL ERROR : CreateTreeView not implemented"); }
+
+ /// Updates the TreeView of given name from level l to bottom
+ /// (calls the virtual method TreeView::UpdateLevel(l))
+ virtual void UpdateTreeViewLevel(const std::string&, int l);
+ // Multi-thread image reader callback
+ void OnMultiThreadImageReaderEvent(const std::string& filename,
+ MultiThreadImageReaderUser::EventType t,
+ vtkImageData* image);
+
+ vtkImageData* GetDefaultImage() { return mReader.GetImage(""); }
+
+
+ //=============================================
+ typedef boost::signal<void (bool)> ValidationSignalType;
+ typedef ValidationSignalType::slot_function_type ValidationCallbackType;
+ //=============================================
+
+ //==================================================================
+ /// Adds the function f to the list of functions to call
+ /// when the addition progresses.
+ /// f is of type ProgressCallbackType which is:
+ /// void (*ProgressCallbackType)(Progress&)
+ /// To pass a member function 'f' of an instance 'c' of a class 'C'
+ /// as callback you have to 'bind' it, i.e. call:
+ /// ConnectValidationObserver ( boost::bind( &C::f , c, _1 ) );
+ void ConnectValidationObserver(ValidationCallbackType callback);
+ //==================================================================
+
+ void modifyValidationSignal(bool ivalid);