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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkTreeIterator.cxx,v $
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 "vtkTreeIterator.h"
//#include "vtkObjectFactory.h"
#include "vtkTree.h"
vtkTreeIterator::vtkTreeIterator()
{
this->Tree = NULL;
this->StartVertex = -1;
this->NextId = -1;
}
vtkTreeIterator::~vtkTreeIterator()
{
if (this->Tree)
{
this->Tree->Delete();
this->Tree = NULL;
}
}
void vtkTreeIterator::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "Tree: " << this->Tree << endl;
os << indent << "StartVertex: " << this->StartVertex << endl;
os << indent << "NextId: " << this->NextId << endl;
}
void vtkTreeIterator::SetTree(vtkTree* tree)
{
vtkDebugMacro(<< this->GetClassName() << " (" << this
<< "): setting Tree to " << tree );
if (this->Tree != tree)
{
vtkTree* temp = this->Tree;
this->Tree = tree;
if (this->Tree != NULL) { this->Tree->Register(this); }
if (temp != NULL)
{
temp->UnRegister(this);
}
this->StartVertex = -1;
this->Initialize();
this->Modified();
}
}
void vtkTreeIterator::SetStartVertex(vtkIdType vertex)
{
if (this->StartVertex != vertex)
{
this->StartVertex = vertex;
this->Initialize();
this->Modified();
}
}
vtkIdType vtkTreeIterator::Next()
{
vtkIdType last = this->NextId;
if(last != -1)
{
this->NextId = this->NextInternal();
}
return last;
}
bool vtkTreeIterator::HasNext()
{
return this->NextId != -1;
}
void vtkTreeIterator::Restart()
{
this->Initialize();
}
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