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/*=========================================================================
Program: Visualization Toolkit
Module: vtkViewNodeFactory.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm 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 "vtkViewNodeFactory.h"
#include "vtkObjectFactory.h"
#include "vtkViewNode.h"
#include <map>
#include <string>
//============================================================================
class vtkViewNodeFactory::vtkInternals
{
public:
std::map<std::string, vtkViewNode *(*)()> Overrides;
vtkInternals()
{
}
~vtkInternals()
{
this->Overrides.clear();
}
};
//============================================================================
vtkStandardNewMacro(vtkViewNodeFactory);
//----------------------------------------------------------------------------
vtkViewNodeFactory::vtkViewNodeFactory()
{
this->Internals = new vtkInternals;
}
//----------------------------------------------------------------------------
vtkViewNodeFactory::~vtkViewNodeFactory()
{
delete this->Internals;
}
//----------------------------------------------------------------------------
void vtkViewNodeFactory::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
//----------------------------------------------------------------------------
vtkViewNode *vtkViewNodeFactory::CreateNode(vtkObject *who)
{
if (!who)
{
return NULL;
}
const char *forwhom = who->GetClassName();
vtkViewNode *vn = this->CreateNode(forwhom);
if (vn)
{
vn->SetRenderable(who);
}
return vn;
}
//----------------------------------------------------------------------------
vtkViewNode *vtkViewNodeFactory::CreateNode(const char *forwhom)
{
if (this->Internals->Overrides.find(forwhom) ==
this->Internals->Overrides.end())
{
return NULL;
}
vtkViewNode *(*func)() = this->Internals->Overrides.find(forwhom)->second;
vtkViewNode *vn = func();
vn->SetMyFactory(this);
return vn;
}
//----------------------------------------------------------------------------
void vtkViewNodeFactory::RegisterOverride
(const char *name, vtkViewNode *(*func)())
{
this->Internals->Overrides[name] = func;
}
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