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/*=========================================================================
Program: ParaView
Module: vtkSMRemoteObjectUpdateUndoElement.cxx
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.
=========================================================================*/
#include "vtkSMRemoteObjectUpdateUndoElement.h"
#include "vtkCollection.h"
#include "vtkObjectFactory.h"
#include "vtkSMMessage.h"
#include "vtkSMRemoteObject.h"
#include "vtkSMSession.h"
#include "vtkSMStateLocator.h"
#include "vtkSMProxyLocator.h"
#include "vtkSMProxyManager.h"
#include "vtkSMProxy.h"
#include <vtkNew.h>
vtkStandardNewMacro(vtkSMRemoteObjectUpdateUndoElement);
vtkSetObjectImplementationMacro(vtkSMRemoteObjectUpdateUndoElement, ProxyLocator, vtkSMProxyLocator);
//-----------------------------------------------------------------------------
vtkSMRemoteObjectUpdateUndoElement::vtkSMRemoteObjectUpdateUndoElement()
{
this->ProxyLocator = NULL;
this->AfterState = new vtkSMMessage();
this->BeforeState = new vtkSMMessage();
}
//-----------------------------------------------------------------------------
vtkSMRemoteObjectUpdateUndoElement::~vtkSMRemoteObjectUpdateUndoElement()
{
delete this->AfterState;
delete this->BeforeState;
this->AfterState = NULL;
this->BeforeState = NULL;
this->SetProxyLocator(NULL);
}
//-----------------------------------------------------------------------------
void vtkSMRemoteObjectUpdateUndoElement::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "GlobalId: " << this->GetGlobalId() << endl;
os << indent << "Before state: " << endl;
if(this->BeforeState) this->BeforeState->PrintDebugString();
os << indent << "After state: " << endl;
if(this->AfterState) this->AfterState->PrintDebugString();
}
//-----------------------------------------------------------------------------
int vtkSMRemoteObjectUpdateUndoElement::Undo()
{
return this->UpdateState(this->BeforeState);
}
//-----------------------------------------------------------------------------
int vtkSMRemoteObjectUpdateUndoElement::Redo()
{
return this->UpdateState(this->AfterState);
}
//-----------------------------------------------------------------------------
int vtkSMRemoteObjectUpdateUndoElement::UpdateState(const vtkSMMessage* state)
{
if(this->Session && state && state->has_global_id())
{
// Creation or update
vtkSMRemoteObject* remoteObj = vtkSMRemoteObject::SafeDownCast(
this->Session->GetRemoteObject(state->global_id()));
if(remoteObj)
{
// This prevent in-between object to be accenditaly removed
this->Session->GetAllRemoteObjects(this->UndoSetWorkingContext);
// Update
if(this->ProxyLocator)
{
this->ProxyLocator->SetSession(this->Session);
remoteObj->LoadState(state, this->ProxyLocator);
}
else
{
remoteObj->LoadState(state, this->Session->GetProxyLocator());
}
}
}
return 1; // OK, we say that everything is fine.
}
//-----------------------------------------------------------------------------
void vtkSMRemoteObjectUpdateUndoElement::SetUndoRedoState(
const vtkSMMessage* before, const vtkSMMessage* after)
{
this->BeforeState->Clear();
this->AfterState->Clear();
if(before && after)
{
this->BeforeState->CopyFrom(*before);
this->AfterState->CopyFrom(*after);
}
else
{
vtkErrorMacro( "Invalid SetUndoRedoState. "
<< "At least one of the provided states is NULL.");
}
}
//-----------------------------------------------------------------------------
vtkTypeUInt32 vtkSMRemoteObjectUpdateUndoElement::GetGlobalId()
{
return this->BeforeState->global_id();
}
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