GUI/Client/vtkPVTrackEditor.h

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

  Program:   ParaView
  Module:    $RCSfile: vtkPVTrackEditor.h,v $

  Copyright (c) Kitware, Inc.
  All rights reserved.
  See Copyright.txt or http://www.paraview.org/HTML/Copyright.html 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 __vtkPVTrackEditor_h
#define __vtkPVTrackEditor_h

#include "vtkPVTracedWidget.h"

class vtkKWFrame;
class vtkKWFrameWithLabel;
class vtkKWLabel;
class vtkKWPushButton;
class vtkKWMenuButton;
class vtkKWScaleWithEntry;
class vtkPVSimpleAnimationCue;
class vtkPVKeyFrame;
class vtkPVTrackEditorObserver;

class VTK_EXPORT vtkPVTrackEditor : public vtkPVTracedWidget
{
public:
  static vtkPVTrackEditor* New();
  vtkTypeRevisionMacro(vtkPVTrackEditor, vtkPVTracedWidget);
  void PrintSelf(ostream& os, vtkIndent indent);

  virtual void Create(vtkKWApplication* app);


  vtkGetObjectMacro(PropertiesFrame, vtkKWFrame);

  void SetAnimationCue(vtkPVSimpleAnimationCue*);
 
  void SetKeyFrameIndex(int index);

  void SetKeyFrameType(int type);


  void IndexChangedCallback();
  void AddKeyFrameButtonCallback();
  void DeleteKeyFrameButtonCallback();

  void Update();


  vtkGetObjectMacro(TitleLabel, vtkKWLabel);

  virtual void UpdateEnableState();

  //BTX
  // Flags used to specify which of the keyframes have fixed times.
  // By default FIRST_KEYFRAME_TIME_NOTCHANGABLE is true.
  // These flags can be OR-ed together to combine more than one flag.
  enum
    {
    ALL_TIMES_CHANGABLE = 0x00,
    FIRST_KEYFRAME_TIME_NOTCHANGABLE = 0x01,
    LAST_KEYFRAME_TIME_NOTCHANGABLE  = 0x02
    };
  //ETX


  vtkSetMacro(FixedTimeKeyframeFlag, int);
  vtkGetMacro(FixedTimeKeyframeFlag, int);
protected:
  vtkPVTrackEditor();
  ~vtkPVTrackEditor();

  vtkPVSimpleAnimationCue* SimpleAnimationCue;
  vtkPVKeyFrame* ActiveKeyFrame;
  
  vtkKWFrameWithLabel* KeyFramePropertiesFrame;
  vtkKWLabel* TitleLabelLabel;
  vtkKWLabel* TitleLabel; // label to show the cue text representation.
  vtkKWFrame* PropertiesFrame;
  vtkKWFrame* TypeFrame; // frame containing the selection for differnt 
                         // types of waveforms.
  vtkKWPushButton* TypeImage;
  vtkKWMenuButton* TypeMenuButton;
  vtkKWPushButton* AddKeyFrameButton;
  vtkKWPushButton* DeleteKeyFrameButton;
  vtkKWLabel* TypeLabel;
  vtkKWScaleWithEntry* IndexScale;
  vtkKWLabel* SelectKeyFrameLabel;


  // flag indicating if the Interpolation should be enabled for the
  // current key frame. It is disabled for the last key frame.
  int InterpolationValid; 
  

  // flag used to determine which of the keyframes have fixed times.
  int FixedTimeKeyframeFlag;
  
  void BuildTypeMenu();
  void UpdateTypeImage(vtkPVKeyFrame*);
  void SetActiveKeyFrame(vtkPVKeyFrame* kf);

  void ShowKeyFrame(int index);
  
  void SetAddDeleteButtonVisibility(int visible);

  vtkPVTrackEditorObserver* Observer;
private:
  vtkPVTrackEditor(const vtkPVTrackEditor&); // Not implemented.
  void operator=(const vtkPVTrackEditor&); // Not implemented.
};


#endif

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