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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.
=========================================================================*/
/**
* @class vtkSMPropertyModificationUndoElement
*
* 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 "vtkSMMessageMinimal.h" // needed for vtkSMMessage
#include "vtkSMUndoElement.h"
class vtkSMProxy;
class VTKPVSERVERMANAGERDEFAULT_EXPORT vtkSMPropertyModificationUndoElement
: public vtkSMUndoElement
{
public:
static vtkSMPropertyModificationUndoElement* New();
vtkTypeMacro(vtkSMPropertyModificationUndoElement, vtkSMUndoElement);
void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
/**
* Undo the operation encapsulated by this element.
*/
virtual int Undo() VTK_OVERRIDE;
/**
* Redo the operation encaspsulated by this element.
*/
virtual int Redo() VTK_OVERRIDE;
/**
* Set the property/proxy that was modified.
*/
void ModifiedProperty(vtkSMProxy* proxy, const char* propertyname);
/**
* 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)) VTK_OVERRIDE;
protected:
vtkSMPropertyModificationUndoElement();
~vtkSMPropertyModificationUndoElement();
int RevertToState();
vtkSetStringMacro(PropertyName);
vtkTypeUInt32 ProxyGlobalID;
char* PropertyName;
vtkSMMessage* PropertyState;
private:
vtkSMPropertyModificationUndoElement(
const vtkSMPropertyModificationUndoElement&) VTK_DELETE_FUNCTION;
void operator=(const vtkSMPropertyModificationUndoElement&) VTK_DELETE_FUNCTION;
};
#endif
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