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123 lines
4.0 KiB
C++
123 lines
4.0 KiB
C++
/*=========================================================================
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Program: ParaView
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Module: vtkSMRemoteObjectUpdateUndoElement.cxx
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Copyright (c) Kitware, Inc.
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All rights reserved.
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See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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#include "vtkSMRemoteObjectUpdateUndoElement.h"
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#include "vtkCollection.h"
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#include "vtkObjectFactory.h"
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#include "vtkSMMessage.h"
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#include "vtkSMRemoteObject.h"
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#include "vtkSMSession.h"
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#include "vtkSMStateLocator.h"
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#include "vtkSMProxyLocator.h"
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#include "vtkSMProxyManager.h"
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#include "vtkSMProxy.h"
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#include <vtkNew.h>
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vtkStandardNewMacro(vtkSMRemoteObjectUpdateUndoElement);
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vtkSetObjectImplementationMacro(vtkSMRemoteObjectUpdateUndoElement, ProxyLocator, vtkSMProxyLocator);
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//-----------------------------------------------------------------------------
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vtkSMRemoteObjectUpdateUndoElement::vtkSMRemoteObjectUpdateUndoElement()
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{
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this->ProxyLocator = NULL;
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this->AfterState = new vtkSMMessage();
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this->BeforeState = new vtkSMMessage();
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}
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//-----------------------------------------------------------------------------
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vtkSMRemoteObjectUpdateUndoElement::~vtkSMRemoteObjectUpdateUndoElement()
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{
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delete this->AfterState;
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delete this->BeforeState;
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this->AfterState = NULL;
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this->BeforeState = NULL;
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this->SetProxyLocator(NULL);
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}
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//-----------------------------------------------------------------------------
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void vtkSMRemoteObjectUpdateUndoElement::PrintSelf(ostream& os, vtkIndent indent)
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{
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this->Superclass::PrintSelf(os, indent);
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os << indent << "GlobalId: " << this->GetGlobalId() << endl;
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os << indent << "Before state: " << endl;
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if(this->BeforeState) this->BeforeState->PrintDebugString();
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os << indent << "After state: " << endl;
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if(this->AfterState) this->AfterState->PrintDebugString();
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}
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//-----------------------------------------------------------------------------
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int vtkSMRemoteObjectUpdateUndoElement::Undo()
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{
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return this->UpdateState(this->BeforeState);
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}
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//-----------------------------------------------------------------------------
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int vtkSMRemoteObjectUpdateUndoElement::Redo()
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{
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return this->UpdateState(this->AfterState);
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}
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//-----------------------------------------------------------------------------
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int vtkSMRemoteObjectUpdateUndoElement::UpdateState(const vtkSMMessage* state)
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{
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if(this->Session && state && state->has_global_id())
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{
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// Creation or update
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vtkSMRemoteObject* remoteObj = vtkSMRemoteObject::SafeDownCast(
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this->Session->GetRemoteObject(state->global_id()));
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if(remoteObj)
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{
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// This prevent in-between object to be accenditaly removed
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this->Session->GetAllRemoteObjects(this->UndoSetWorkingContext);
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// Update
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if(this->ProxyLocator)
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{
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this->ProxyLocator->SetSession(this->Session);
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remoteObj->LoadState(state, this->ProxyLocator);
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}
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else
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{
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remoteObj->LoadState(state, this->Session->GetProxyLocator());
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}
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}
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}
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return 1; // OK, we say that everything is fine.
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}
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//-----------------------------------------------------------------------------
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void vtkSMRemoteObjectUpdateUndoElement::SetUndoRedoState(
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const vtkSMMessage* before, const vtkSMMessage* after)
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{
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this->BeforeState->Clear();
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this->AfterState->Clear();
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if(before && after)
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{
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this->BeforeState->CopyFrom(*before);
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this->AfterState->CopyFrom(*after);
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}
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else
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{
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vtkErrorMacro( "Invalid SetUndoRedoState. "
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<< "At least one of the provided states is NULL.");
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}
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}
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//-----------------------------------------------------------------------------
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vtkTypeUInt32 vtkSMRemoteObjectUpdateUndoElement::GetGlobalId()
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{
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return this->BeforeState->global_id();
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}
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