#ifndef __creaImageIOWxTreeView_h_INCLUDED__
#define __creaImageIOWxTreeView_h_INCLUDED__

#ifdef USE_WXWIDGETS

#include <creaImageIOTreeView.h>
#include <creaWx.h>

#include <wx/listctrl.h>
#include <wx/splitter.h>
//#include <vector>

namespace creaImageIO
{

  /**
   * \ingroup View
   */
  //=====================================================================
  
  //=====================================================================
  /// Abstract class that handles the view of a Tree through its TreeHandler
  class WxTreeView : public wxPanel, virtual public TreeView
    {
    public:
      /// Ctor
      WxTreeView(TreeHandler*, GimmickView*, 
		 wxWindow* parent, const wxWindowID id);
      /// Virtual destructor
      virtual ~WxTreeView();

      
      /// Updates the view of a level given the selected items of upper level
      virtual void UpdateLevel( int );

	  ///Removes selected nodes on given level
	  virtual void RemoveSelected( int );

	  /// Callback for selection change
      void OnSelectedChanged(wxListEvent& event);

	  /// Callback for column click
      void OnColClick(wxListEvent& event);

    private:
      /// The struct holding the data for one level
      /// Holds the wx control and other data
      /// such as the vector of attribute keys corresponding to the columns
      struct LevelType
      {
	// The List Control
	wxListCtrl* wxCtrl;
	wxSplitterWindow* wxSplitter;
	std::vector<std::string> key;
      };
      /// The vector of levels : one for each level of the tree      
      std::vector<LevelType> mLevelList;
      
      /// return the wxListCtrl of one level
      wxListCtrl* GetCtrl(int l) { return mLevelList[l].wxCtrl; }
      /// return the wxSplitter of one level
      wxSplitterWindow* GetSplitter(int l) { return mLevelList[l].wxSplitter; }
	  //Returns the maximum number of levels
	  int GetNumberOfLevels(){ return mLevelList.size(); }
	  /// Gets the user selected data from the level passed as a parameter
      std::vector<tree::Node*> GetSelected(int level);
	  ///Validates the selected images
      void ValidateSelectedImages();   
	  ///Gets selected filenames
	  void GetSelectedAsString(std::vector<std::string>&s);
	    /// Gets the next nodes on the list, be it up(true) or down(false).
      void GetNodes(std::vector<tree::Node*>& nodes, bool direction);
      /// Updates the view of a level given the selected items of upper level
      /// Recursive method
      virtual void RecursiveUpdateLevel( int );


      /// Currently Selected Column
	  int mColumnSelected;
	  ///Boolean that defines the direction of the organization
	  ///True is ascending order and false is descending
	  bool mDirection;
	  ///The last selected item on the list
	  long mLastSelected;
	  ///The last selection of nodes
	  std::vector<tree::Node*> mSelected;
	  ///The color map
	  typedef std::map<tree::Node*,wxColour> ColorMap;
	  typedef std::pair<tree::Node*,wxColour> NodeColorPair;
      ColorMap mColorMap;
	
	  

      DECLARE_EVENT_TABLE()
    };
    // EO class WxTreeView
    //=====================================================================



} // EO namespace creaImageIO


#endif // USE_WIDGETS
// EOF
#endif