GUI/Widgets/vtkKWUserInterfaceManager.h

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/*=========================================================================

  Module:    $RCSfile: vtkKWUserInterfaceManager.h,v $

  Copyright (c) Kitware, Inc.
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef __vtkKWUserInterfaceManager_h
#define __vtkKWUserInterfaceManager_h

#include "vtkKWObject.h"

class vtkKWApplication;
class vtkKWIcon;
class vtkKWWidget;
class vtkKWUserInterfacePanel;
class vtkKWUserInterfaceManagerInternals;

class KWWIDGETS_EXPORT vtkKWUserInterfaceManager : public vtkKWObject
{
public:
  vtkTypeRevisionMacro(vtkKWUserInterfaceManager,vtkKWObject);
  void PrintSelf(ostream& os, vtkIndent indent);


  virtual void Create(vtkKWApplication *app);
  virtual int IsCreated();


  virtual void SetEnabled(int);
  virtual void UpdateEnableState();

  virtual void Update();


  virtual int AddPanel(vtkKWUserInterfacePanel *panel);
  virtual int HasPanel(vtkKWUserInterfacePanel *panel);

  virtual int GetNumberOfPanels();


  virtual vtkKWUserInterfacePanel* GetPanel(const char *panel_name);
  virtual vtkKWUserInterfacePanel* GetPanel(int id);
  virtual vtkKWUserInterfacePanel* GetPanelFromPageId(int id) = 0;
  virtual vtkKWUserInterfacePanel* GetNthPanel(int rank);


  virtual int RemovePanel(vtkKWUserInterfacePanel *panel);
  virtual void RemoveAllPanels();


  virtual int AddPage(vtkKWUserInterfacePanel *panel, 
                      const char *title, 
                      const char *balloon = 0, 
                      vtkKWIcon *icon = 0) = 0;


  virtual vtkKWWidget* GetPageWidget(int id) = 0;
  virtual vtkKWWidget* GetPageWidget(vtkKWUserInterfacePanel *panel, 
                                     const char *title) = 0;
                      
  virtual vtkKWWidget *GetPagesParentWidget(vtkKWUserInterfacePanel *panel)= 0;


  virtual void RaisePage(int id) = 0;
  virtual void RaisePage(vtkKWUserInterfacePanel *panel, 
                         const char *title) = 0;


  virtual int ShowPanel(vtkKWUserInterfacePanel *panel) = 0;
  virtual int HidePanel(vtkKWUserInterfacePanel *panel) = 0;
  virtual int IsPanelVisible(vtkKWUserInterfacePanel *panel) = 0;
  virtual int RaisePanel(vtkKWUserInterfacePanel *panel) 
    { return this->ShowPanel(panel); };


  virtual void ShowAllPanels();
  virtual void HideAllPanels();

  virtual void UpdatePanel(vtkKWUserInterfacePanel *) {};

protected:
  vtkKWUserInterfaceManager();
  ~vtkKWUserInterfaceManager();


  virtual int RemovePageWidgets(vtkKWUserInterfacePanel *) 
    { return 1; };

  int IdCounter;

  //BTX

  // A panel slot associate a panel to a unique Id
 
  class PanelSlot
  {
  public:
    int Id;
    vtkKWUserInterfacePanel *Panel;
  };

  // PIMPL Encapsulation for STL containers

  vtkKWUserInterfaceManagerInternals *Internals;
  friend class vtkKWUserInterfaceManagerInternals;

  // Helper methods
  // Get a panel slot given a panel or an id, check if the manager has a given
  // panel, get a panel id given a panel, etc.

  PanelSlot* GetPanelSlot(vtkKWUserInterfacePanel *panel);
  PanelSlot* GetPanelSlot(int id);
  PanelSlot* GetPanelSlot(const char *panel_name);
  PanelSlot* GetNthPanelSlot(int rank);
  int GetPanelId(vtkKWUserInterfacePanel *panel);

  //ETX

  virtual void NumberOfPanelsChanged() {};

private:

  vtkKWUserInterfaceManager(const vtkKWUserInterfaceManager&); // Not implemented
  void operator=(const vtkKWUserInterfaceManager&); // Not Implemented
};

#endif

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