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

  Program:   Visualization Toolkit
  Module:    vtkPVPushButton.h
  Language:  C++
  Date:      $Date$
  Version:   $Revision$

Copyright (c) 2000-2001 Kitware Inc. 469 Clifton Corporate Parkway,
Clifton Park, NY, 12065, USA.
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modification, are permitted provided that the following conditions are met:

 * Redistributions of source code must retain the above copyright notice,
   this list of conditions and the following disclaimer.

 * Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.

 * Neither the name of Kitware nor the names of any contributors may be used
   to endorse or promote products derived from this software without specific 
   prior written permission.

 * Modified source versions must be plainly marked as such, and must not be
   misrepresented as being the original software.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

=========================================================================*/
// .NAME vtkPVPushButton -
// .SECTION Description

#ifndef __vtkPVPushButton_h
#define __vtkPVPushButton_h

#include "vtkPVObjectWidget.h"

class vtkKWPushButton;

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

  virtual void Create(vtkKWApplication *pvApp);
  
  // Description:
  // The label.
  void SetLabel(const char* label);

  // Description:
  // This class redefines SetBalloonHelpString since it
  // has to forward the call to a widget it contains.
  virtual void SetBalloonHelpString(const char *str);
  
//BTX
  // Description:
  // Creates and returns a copy of this widget. It will create
  // a new instance of the same type as the current object
  // using NewInstance() and then copy some necessary state 
  // parameters.
  vtkPVPushButton* ClonePrototype(vtkPVSource* pvSource,
                                  vtkArrayMap<vtkPVWidget*, vtkPVWidget*>* map);
//ETX

  // Description:
  // Set the label of the button.
  vtkSetStringMacro(EntryLabel);
  vtkGetStringMacro(EntryLabel);

  // Description:
  // This method is called when button is pressed.
  void ExecuteCommand();

  // Description:
  // Empty method to keep superclass from complaining.
  virtual void Trace(ofstream *) {};

protected:
  vtkPVPushButton();
  ~vtkPVPushButton();
  
  vtkKWPushButton *Button;
  char *EntryLabel;

//BTX
  virtual void CopyProperties(vtkPVWidget* clone, vtkPVSource* pvSource,
                              vtkArrayMap<vtkPVWidget*, vtkPVWidget*>* map);
//ETX

  int ReadXMLAttributes(vtkPVXMLElement* element,
                        vtkPVXMLPackageParser* parser);

private:
  vtkPVPushButton(const vtkPVPushButton&); // Not implemented
  void operator=(const vtkPVPushButton&); // Not implemented
};

#endif
