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/*=========================================================================
Program: ParaView
Module: vtkSMPropertyModificationUndoElement.h
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.
=========================================================================*/
// .NAME vtkSMPropertyModificationUndoElement
// .SECTION Description
// This is the concrete implementation for the Undo element for a property
// modification event.
// The undo action sets the property to the value that was pushed on
// to the server previous to the modification.
// The redo action sets the property to the modified value.
#ifndef vtkSMPropertyModificationUndoElement_h
#define vtkSMPropertyModificationUndoElement_h
#include "vtkPVServerManagerDefaultModule.h" //needed for exports
#include "vtkSMUndoElement.h"
#include "vtkSMMessageMinimal.h" // needed for vtkSMMessage
class vtkSMProxy;
class VTKPVSERVERMANAGERDEFAULT_EXPORT vtkSMPropertyModificationUndoElement : public vtkSMUndoElement
{
public:
static vtkSMPropertyModificationUndoElement* New();
vtkTypeMacro(vtkSMPropertyModificationUndoElement, vtkSMUndoElement);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Undo the operation encapsulated by this element.
virtual int Undo();
// Description:
// Redo the operation encaspsulated by this element.
virtual int Redo();
// Description:
// Set the property/proxy that was modified.
void ModifiedProperty(vtkSMProxy* proxy, const char* propertyname);
// Description:
// Called on the older element in the UndoSet to merge with the
// element being added if both the elements are \c mergeable.
// vtkSMPropertyModificationUndoElement is mergeable with
// vtkSMPropertyModificationUndoElement alone if both
// represent change to the same property.
// Returns if the merge was successful.
virtual bool Merge(vtkUndoElement* vtkNotUsed(new_element));
protected:
vtkSMPropertyModificationUndoElement();
~vtkSMPropertyModificationUndoElement();
int RevertToState();
vtkSetStringMacro(PropertyName);
vtkTypeUInt32 ProxyGlobalID;
char* PropertyName;
vtkSMMessage* PropertyState;
private:
vtkSMPropertyModificationUndoElement(const vtkSMPropertyModificationUndoElement&); // Not implemented.
void operator=(const vtkSMPropertyModificationUndoElement&); // Not implemented.
};
#endif
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