itkQtProgressDialog.cxx

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/*=========================================================================
 Modifications were made by the GoFigure Dev. Team.
 while at Megason Lab, Systems biology, Harvard Medical school, 2009-11

 Copyright (c) 2009-11, President and Fellows of Harvard College.
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#include "itkProcessObject.h"
#include "itkQtProgressDialog.h"

namespace itk
{
QtProgressDialog
::QtProgressDialog( QWidget * iParent, Qt::WindowFlags f ) : QProgressDialog(iParent, f )
{
  m_RedrawCommand = RedrawCommandType::New();
  m_RedrawCommand->SetCallbackFunction(this, &QtProgressDialog::ProcessEvent);
  m_RedrawCommand->SetCallbackFunction(this, &QtProgressDialog::ConstProcessEvent);

  this->setMinimum(0);
  this->setMaximum(100);
}

QtProgressDialog
::QtProgressDialog( const QString & labelText,
                    const QString & cancelButtonText,
                    int minimum,
                    int maximum,
                    QWidget * iParent,
                    Qt::WindowFlags f ) :
  QProgressDialog( labelText, cancelButtonText, minimum, maximum, iParent, f )
{
  m_RedrawCommand = RedrawCommandType::New();
  m_RedrawCommand->SetCallbackFunction(this, &QtProgressDialog::ProcessEvent);
  m_RedrawCommand->SetCallbackFunction(this, &QtProgressDialog::ConstProcessEvent);
}

QtProgressDialog::RedrawCommandType *
QtProgressDialog::GetRedrawCommand() const
{
  return m_RedrawCommand.GetPointer();
}

void
QtProgressDialog::ProcessEvent( itk::Object *caller,
                                const itk::EventObject & iEvent )
{
  if ( typeid( itk::ProgressEvent )   ==  typeid( iEvent ) )
    {
    itk::ProcessObject::Pointer process = dynamic_cast< itk::ProcessObject * >( caller );

    const int tempvalue = static_cast< int >(
          process->GetProgress() * static_cast< float >( this->maximum() ) );

    this->setValue(tempvalue);
    }
}

void
QtProgressDialog::ConstProcessEvent( const itk::Object *caller,
                                     const itk::EventObject & iEvent)
{
  if ( typeid( itk::ProgressEvent )   ==  typeid( iEvent ) )
    {
    itk::ProcessObject::ConstPointer process =
      dynamic_cast< const itk::ProcessObject * >( caller );

    const int temp_value = static_cast< int >(
        process->GetProgress() * static_cast< float >( this->maximum() ) );
    this->setValue(temp_value);
    }
}

void
QtProgressDialog::Observe(itk::Object *caller)
{
  caller->AddObserver( itk::ProgressEvent(), m_RedrawCommand.GetPointer() );
}

} // end namespace fltk