/*=========================================================================

  Program:   CMB
  Module:    pqPlanarTextureRegistrationDialog.cxx

Copyright (c) 1998-2005 Kitware Inc. 28 Corporate Drive, Suite 204,
Clifton Park, NY, 12065, USA.

All rights reserved. No part of this software may be reproduced,
distributed,
or modified, in any form or by any means, without permission in writing from
Kitware Inc.

IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY PARTY FOR
DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY DERIVATIVES THEREOF,
EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
INCLUDING,
BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE, AND NON-INFRINGEMENT.  THIS SOFTWARE IS PROVIDED ON AN
"AS IS" BASIS, AND THE AUTHORS AND DISTRIBUTORS HAVE NO OBLIGATION TO
PROVIDE
MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
=========================================================================*/
// .NAME Represents a dialog for texturing objects into SceneGen.
// .SECTION Description
// .SECTION Caveats

#include "pqPlanarTextureRegistrationDialog.h"

#include "ui_qtPlanarTextureRegistrationDialog.h"

#include <pq3DWidgetFactory.h>
#include <pqApplicationCore.h>
#include <pqDataRepresentation.h>
#include <pqFileDialog.h>
#include <pqObjectBuilder.h>
#include <pqPipelineSource.h>
#include <pqPropertyLinks.h>
#include <pqRenderView.h>
#include <pqServer.h>
#include <pqSMAdaptor.h>
#include "pqServerManagerObserver.h"

#include <vtkAlgorithm.h>
#include <vtkImageData.h>
#include <vtkPointHandleRepresentation3D.h>
#include <vtkProperty.h>
#include <vtkSMNewWidgetRepresentationProxy.h>
#include <vtkSMPropertyHelper.h>
#include <vtkSMProxyManager.h>
#include <vtkSMSourceProxy.h>

#include <QFileInfo>
#include <QLineEdit>
#include <QDoubleValidator>
#include <QTreeWidget>
#include <QGridLayout>

#include "pqRepresentationHelperFunctions.h"
using namespace RepresentationHelperFunctions;

//-----------------------------------------------------------------------------
pqPlanarTextureRegistrationDialog::pqPlanarTextureRegistrationDialog(
  pqServer* server, pqRenderView* view, const QString &strTitle,
  QWidget* parent) :
  Status(-1), CurrentServer(server), CurrentView(view), PV_PLUGIN_USE(false)
{
  this->MainDialog = new QDialog(parent);
  this->TextureDialog = new Ui::qtPlanarTextureRegistrationDialog;
  this->TextureDialog->setupUi(MainDialog);
  this->MainDialog->setWindowTitle(strTitle);
}

//-----------------------------------------------------------------------------
void pqPlanarTextureRegistrationDialog::initializeTexture(
  const double bounds[6], const QStringList & textureFiles,
  const QString& currentTextureFile, const double regPoints[12],
  int numRegPoints, bool pluginPanel )
{
  this->PV_PLUGIN_USE = pluginPanel;
  this->TextureFiles.append(TextureFiles);

  for(int i=0; i<6; i++)
    {
    this->CurrentBounds[i] = bounds[i];
    }
  QDoubleValidator *validator = new QDoubleValidator(this->MainDialog);
  // Prep the line edit widgets
  this->TextureDialog->X1->setValidator(validator);
  this->TextureDialog->X1->setText("0.0");
  this->TextureDialog->Y1->setValidator(validator);
  this->TextureDialog->Y1->setText("0.0");
  this->TextureDialog->S1->setValidator(validator);
  this->TextureDialog->S1->setText("0.0");
  this->TextureDialog->T1->setValidator(validator);
  this->TextureDialog->T1->setText("0.0");

  this->TextureDialog->X2->setValidator(validator);
  this->TextureDialog->X2->setText("1.0");
  this->TextureDialog->Y2->setValidator(validator);
  this->TextureDialog->Y2->setText("0.0");
  this->TextureDialog->S2->setValidator(validator);
  this->TextureDialog->S2->setText("1.0");
  this->TextureDialog->T2->setValidator(validator);
  this->TextureDialog->T2->setText("0.0");

  this->TextureDialog->X3->setValidator(validator);
  this->TextureDialog->X3->setText("0.0");
  this->TextureDialog->Y3->setValidator(validator);
  this->TextureDialog->Y3->setText("1.0");
  this->TextureDialog->S3->setValidator(validator);
  this->TextureDialog->S3->setText("0.0");
  this->TextureDialog->T3->setValidator(validator);
  this->TextureDialog->T3->setText("1.0");
  this->TextureDialog->RegistrationMode->setCurrentIndex(0);
  this->TextureDialog->Point3->setVisible(false);

  pqObjectBuilder* builder = pqApplicationCore::instance()->getObjectBuilder();
  this->textureImageSource = NULL;
  this->imageDataRepresentation = NULL;

  //setup render view
  this->imageRenderView = qobject_cast<pqRenderView*>(
                            builder->createView(
                              pqRenderView::renderViewType(),
                              this->CurrentServer));

  this->TextureDialog->imageframe->setVisible(!pluginPanel);
  if(!pluginPanel)
    {
    QGridLayout* gridlayout = new QGridLayout(this->TextureDialog->imageframe);
    gridlayout->setMargin(0);
    gridlayout->addWidget(this->imageRenderView->getWidget());
    }

  //setup Parallel projection and 2D manipulation
  pqSMAdaptor::setElementProperty(
    this->imageRenderView->getProxy()->GetProperty("CameraParallelProjection"), 1);
  pqSMAdaptor::setElementProperty(
    this->imageRenderView->getProxy()->GetProperty("CenterAxesVisibility"), 0);

  const int *manipTypes = &TwoDManipulatorTypes[0];
  vtkSMProxy* viewproxy = this->imageRenderView->getProxy();
  vtkSMPropertyHelper( viewproxy->GetProperty("Camera2DManipulators")).Set(manipTypes, 9);
  viewproxy->UpdateVTKObjects();

  //Create 6 point widget representation proxies(invisible and disabled)
  this->widgetI1 = this->setupPointWidget(this->CurrentServer, this->imageRenderView);
  this->widgetI2 = this->setupPointWidget(this->CurrentServer, this->imageRenderView);
  this->widgetI3 = this->setupPointWidget(this->CurrentServer, this->imageRenderView);
  this->widgetS1 = this->setupPointWidget(this->CurrentServer, this->CurrentView);
  this->widgetS2 = this->setupPointWidget(this->CurrentServer, this->CurrentView);
  this->widgetS3 = this->setupPointWidget(this->CurrentServer, this->CurrentView);
  vtkPointHandleRepresentation3D* reprI = vtkPointHandleRepresentation3D::
                                         SafeDownCast(this->widgetI1->GetRepresentationProxy()->GetClientSideObject());
  vtkPointHandleRepresentation3D* reprS = vtkPointHandleRepresentation3D::
                                         SafeDownCast(this->widgetS1->GetRepresentationProxy()->GetClientSideObject());

  //Pair the scene and image point widgets using color
  double color[] = {1.0,0.0,0.0}; //red
  reprI->GetProperty()->SetColor(color);
  reprS->GetProperty()->SetColor(color);
  reprI->GetProperty()->SetLineWidth(2);
  reprS->GetProperty()->SetLineWidth(2);
  reprI->SetHandleSize(20);
  reprS->SetHandleSize(20);

  reprI = vtkPointHandleRepresentation3D::
          SafeDownCast(this->widgetI2->GetRepresentationProxy()->GetClientSideObject());
  reprS = vtkPointHandleRepresentation3D::
          SafeDownCast(this->widgetS2->GetRepresentationProxy()->GetClientSideObject());
  color[0] = 0.0; color[1] = 0.0; color[2] = 1.0; //blue
  reprI->GetProperty()->SetColor(color);
  reprS->GetProperty()->SetColor(color);
  reprI->GetProperty()->SetLineWidth(2);
  reprS->GetProperty()->SetLineWidth(2);
  reprI->SetHandleSize(20);
  reprS->SetHandleSize(20);

  reprI = vtkPointHandleRepresentation3D::
          SafeDownCast(this->widgetI3->GetRepresentationProxy()->GetClientSideObject());
  reprS = vtkPointHandleRepresentation3D::
          SafeDownCast(this->widgetS3->GetRepresentationProxy()->GetClientSideObject());
  color[0] = 1.0; color[1] = 1.0; color[2] = 0.0; //yellow
  reprI->GetProperty()->SetColor(color);
  reprS->GetProperty()->SetColor(color);
  reprI->GetProperty()->SetLineWidth(2);
  reprS->GetProperty()->SetLineWidth(2);
  reprI->SetHandleSize(20);
  reprS->SetHandleSize(20);

  //Link the position of the widgets with the respective position boxes
  this->Links = new pqPropertyLinks();
  this->Links->removeAllPropertyLinks();
  this->Links->addPropertyLink(this->TextureDialog->S1, "text",
                               SIGNAL(editingFinished()), this->widgetI1,
                               this->widgetI1->GetProperty("WorldPosition"), 0);
  this->Links->addPropertyLink(this->TextureDialog->T1, "text",
                               SIGNAL(editingFinished()), this->widgetI1,
                               this->widgetI1->GetProperty("WorldPosition"), 1);
  this->Links->addPropertyLink(this->TextureDialog->S2, "text",
                               SIGNAL(editingFinished()), this->widgetI2,
                               this->widgetI2->GetProperty("WorldPosition"), 0);
  this->Links->addPropertyLink(this->TextureDialog->T2, "text",
                               SIGNAL(editingFinished()), this->widgetI2,
                               this->widgetI2->GetProperty("WorldPosition"), 1);
  this->Links->addPropertyLink(this->TextureDialog->S3, "text",
                               SIGNAL(editingFinished()), this->widgetI3,
                               this->widgetI3->GetProperty("WorldPosition"), 0);
  this->Links->addPropertyLink(this->TextureDialog->T3, "text",
                               SIGNAL(editingFinished()), this->widgetI3,
                               this->widgetI3->GetProperty("WorldPosition"), 1);
  this->Links->addPropertyLink(this->TextureDialog->X1, "text",
                               SIGNAL(editingFinished()), this->widgetS1,
                               this->widgetS1->GetProperty("WorldPosition"), 0);
  this->Links->addPropertyLink(this->TextureDialog->Y1, "text",
                               SIGNAL(editingFinished()), this->widgetS1,
                               this->widgetS1->GetProperty("WorldPosition"), 1);
  this->Links->addPropertyLink(this->TextureDialog->X2, "text",
                               SIGNAL(editingFinished()), this->widgetS2,
                               this->widgetS2->GetProperty("WorldPosition"), 0);
  this->Links->addPropertyLink(this->TextureDialog->Y2, "text",
                               SIGNAL(editingFinished()), this->widgetS2,
                               this->widgetS2->GetProperty("WorldPosition"), 1);
  this->Links->addPropertyLink(this->TextureDialog->X3, "text",
                               SIGNAL(editingFinished()), this->widgetS3,
                               this->widgetS3->GetProperty("WorldPosition"), 0);
  this->Links->addPropertyLink(this->TextureDialog->Y3, "text",
                               SIGNAL(editingFinished()), this->widgetS3,
                               this->widgetS3->GetProperty("WorldPosition"), 1);

  QObject::connect(this->Links, SIGNAL(qtWidgetChanged()), this, SLOT(updateAllViews()));
  this->currentImageFileName = "";

  QObject::connect(this->TextureDialog->TextureFiles,
                   SIGNAL(currentIndexChanged(const QString &)),
                   this, SLOT(displayImage(const QString &)));

  // Set up the list of current textures
  this->updateTextureList(textureFiles, currentTextureFile);
  this->displayImage(this->currentImageFileName);
  if(!currentTextureFile.isEmpty() && textureFiles.count())
    {
    int numRegPnts = numRegPoints;
    this->TextureDialog->RegistrationMode->setCurrentIndex(numRegPnts-2);

    QString num;
    double xy[2], st[2];
    this->getRegistrationPointPair(0, xy, st, regPoints);
    this->TextureDialog->X1->setText(num.setNum(xy[0]));
    this->TextureDialog->Y1->setText(num.setNum(xy[1]));
    this->TextureDialog->S1->setText(num.setNum(st[0]));
    this->TextureDialog->T1->setText(num.setNum(st[1]));

    this->getRegistrationPointPair(1, xy, st, regPoints);
    this->TextureDialog->X2->setText(num.setNum(xy[0]));
    this->TextureDialog->Y2->setText(num.setNum(xy[1]));
    this->TextureDialog->S2->setText(num.setNum(st[0]));
    this->TextureDialog->T2->setText(num.setNum(st[1]));

    if (numRegPnts == 3)
      {
      this->TextureDialog->Point3->setVisible(true);
      this->getRegistrationPointPair(2, xy, st, regPoints);
      this->TextureDialog->X3->setText(num.setNum(xy[0]));
      this->TextureDialog->Y3->setText(num.setNum(xy[1]));
      this->TextureDialog->S3->setText(num.setNum(st[0]));
      this->TextureDialog->T3->setText(num.setNum(st[1]));
      }
    this->PlaceWidgets(false);
    this->TextureDialog->RemoveTextureButton->setEnabled(true);
    }
  QObject::connect(this->TextureDialog->RemoveTextureButton, SIGNAL(clicked()),
                   this, SLOT(removeTexture()));

  QObject::connect(this->MainDialog, SIGNAL(accepted()), this, SLOT(accept()));
  QObject::connect(this->MainDialog, SIGNAL(rejected()), this, SLOT(cancel()));
  QObject::connect(this->TextureDialog->buttonBox->button(QDialogButtonBox::Apply),
                   SIGNAL(clicked()), this, SLOT(apply()));
  QObject::connect(this->TextureDialog->FileBrowserButton, SIGNAL(clicked()),
                   this, SLOT(displayFileBrowser()));
  QObject::connect(this->TextureDialog->RegistrationMode,
                   SIGNAL(currentIndexChanged(int)),
                   this, SLOT(registrationModeChanged(int)));

  this->TextureDialog->buttonBox->setVisible(!pluginPanel);
  this->TextureDialog->RemoveTextureButton->setVisible(!pluginPanel);
  if(pluginPanel)
    {
    QObject::connect(builder, SIGNAL(destroying(pqView*)), this, SLOT(destroyingView(pqView*)));
    }
}

//-----------------------------------------------------------------------------
pqPlanarTextureRegistrationDialog::~pqPlanarTextureRegistrationDialog()
{
  pqApplicationCore* core = pqApplicationCore::instance();
  pqObjectBuilder* builder = core->getObjectBuilder();
  if(this->Links)
    {
    this->Links->removeAllPropertyLinks();
    delete this->Links;
    }
  if(this->CurrentView)
    {
    this->removeSWidgets();
    this->CurrentView->getProxy()->UpdateVTKObjects();
    }

  if (this->imageRenderView)
    {
    this->removeIWidgets();
    pqServerManagerObserver* observer =
      pqApplicationCore::instance()->getServerManagerObserver();
    if(this->PV_PLUGIN_USE)
      {
      observer->blockSignals(true);
      }
    if(this->imageDataRepresentation)
      {
      builder->destroy(this->imageDataRepresentation);
      this->imageDataRepresentation = NULL;
      }
    if(this->textureImageSource)
      {
      builder->destroy(this->textureImageSource);
      this->textureImageSource = NULL;
      }
    builder->destroy(this->imageRenderView);
    this->imageRenderView = NULL;
    if(this->PV_PLUGIN_USE)
      {
      observer->blockSignals(false);
      }
    }
  if (this->TextureDialog)
    {
    delete TextureDialog;
    }
  if (this->MainDialog)
    {
    delete MainDialog;
    }
}
//-----------------------------------------------------------------------------
void pqPlanarTextureRegistrationDialog::showButtons(bool showing)
{
  this->TextureDialog->buttonBox->setVisible(showing);
}

//-----------------------------------------------------------------------------
void pqPlanarTextureRegistrationDialog::registrationModeChanged(int mode)
{
  this->TextureDialog->Point3->setVisible((mode == 1));
  if(this->textureImageSource)
    {
    this->PlaceWidgets(false);
    this->updateAllViews();
    }
}
//-----------------------------------------------------------------------------
QDialog *pqPlanarTextureRegistrationDialog::getMainDialog()
{
  return this->MainDialog;
}
//-----------------------------------------------------------------------------
pqRenderView* pqPlanarTextureRegistrationDialog::getImageRenderView()
{
  return this->imageRenderView;
}
//-----------------------------------------------------------------------------
pqRenderView* pqPlanarTextureRegistrationDialog::currentView()
{
  return this->CurrentView;
}
//-----------------------------------------------------------------------------
pqPropertyLinks* pqPlanarTextureRegistrationDialog::getLinks()
{
  return this->Links;
}

//-----------------------------------------------------------------------------
int pqPlanarTextureRegistrationDialog::exec()
{
  this->MainDialog->setModal(false);
  this->MainDialog->show();
  this->MainDialog->exec();
  return this->Status;
}
//-----------------------------------------------------------------------------
void pqPlanarTextureRegistrationDialog::accept()
{
  this->Status = 1;

  QFileInfo finfo(this->currentImageFileName);
  if (!finfo.exists())
    {
    this->Status = 0;
    return;
    }
  this->applyTexture();
}
//-----------------------------------------------------------------------------
void pqPlanarTextureRegistrationDialog::apply()
{
  if(this->currentImageFileName.isEmpty())
    {
    return;
    }
  this->applyTexture();
}

//-----------------------------------------------------------------------------
void pqPlanarTextureRegistrationDialog::applyTexture()
{
  int num;
  // Get the point information
  num = this->TextureDialog->RegistrationMode->currentIndex() + 2;
  this->RegistrationPoints[0] = this->TextureDialog->X1->text().toDouble();
  this->RegistrationPoints[1] = this->TextureDialog->Y1->text().toDouble();
  this->RegistrationPoints[2] = this->TextureDialog->S1->text().toDouble();
  this->RegistrationPoints[3] = this->TextureDialog->T1->text().toDouble();

  this->RegistrationPoints[4] = this->TextureDialog->X2->text().toDouble();
  this->RegistrationPoints[5] = this->TextureDialog->Y2->text().toDouble();
  this->RegistrationPoints[6] = this->TextureDialog->S2->text().toDouble();
  this->RegistrationPoints[7] = this->TextureDialog->T2->text().toDouble();

  if (num == 3)
    {
    this->RegistrationPoints[8]  = this->TextureDialog->X3->text().toDouble();
    this->RegistrationPoints[9]  = this->TextureDialog->Y3->text().toDouble();
    this->RegistrationPoints[10] = this->TextureDialog->S3->text().toDouble();
    this->RegistrationPoints[11] = this->TextureDialog->T3->text().toDouble();
    }
  emit this->registerCurrentTexture(
    this->currentImageFileName,
    num, this->RegistrationPoints);
  this->updateAllViews();
  this->TextureDialog->RemoveTextureButton->setEnabled(
    !(this->currentImageFileName.isEmpty() ||
     this->currentImageFileName.isNull()));
}
//-----------------------------------------------------------------------------
int pqPlanarTextureRegistrationDialog::getNumberOfRegistrationPoints()
{
  // Get the point information
  return this->TextureDialog->RegistrationMode->currentIndex() + 2;
}

//-----------------------------------------------------------------------------
void pqPlanarTextureRegistrationDialog::getRegistrationPoints(double pnts[12])
{
  int num = this->getNumberOfRegistrationPoints();

  // Get the point information
  pnts[0] = this->TextureDialog->X1->text().toDouble();
  pnts[1] = this->TextureDialog->Y1->text().toDouble();
  pnts[2] = this->TextureDialog->S1->text().toDouble();
  pnts[3] = this->TextureDialog->T1->text().toDouble();

  pnts[4] = this->TextureDialog->X2->text().toDouble();
  pnts[5] = this->TextureDialog->Y2->text().toDouble();
  pnts[6] = this->TextureDialog->S2->text().toDouble();
  pnts[7] = this->TextureDialog->T2->text().toDouble();

  if (num == 3)
    {
    pnts[8]  = this->TextureDialog->X3->text().toDouble();
    pnts[9]  = this->TextureDialog->Y3->text().toDouble();
    pnts[10] = this->TextureDialog->S3->text().toDouble();
    pnts[11] = this->TextureDialog->T3->text().toDouble();
    }
}

//-----------------------------------------------------------------------------
void pqPlanarTextureRegistrationDialog::cancel()
{
  this->Status = 0;
}

//-----------------------------------------------------------------------------
void pqPlanarTextureRegistrationDialog::filesSelected(const QStringList &files)
{
  if (files.size() == 0)
    {
    return;
    }

  this->TextureDialog->TextureFiles->addItem(files[0]);
  this->TextureDialog->TextureFiles->setCurrentIndex(this->TextureDialog->TextureFiles->count()-1);
}

//-----------------------------------------------------------------------------
void pqPlanarTextureRegistrationDialog::displayFileBrowser()
{
  QString filters = "All Image Formats (*.tiff, *.tif, *.jpeg, *.jpg);;TIFF (*.tiff, *.tif);;JPEG (*.jpeg, *.jpg);;All files (*)";

  pqFileDialog file_dialog(this->CurrentServer,
                           this->MainDialog,
                           tr("Open File:"),
                           QString(),
                           filters);

  //file_dialog->setAttribute(Qt::WA_DeleteOnClose);
  file_dialog.setObjectName("FileTextureDialog");
  file_dialog.setFileMode(pqFileDialog::ExistingFile);
  QObject::connect(&file_dialog, SIGNAL(filesSelected(const QStringList&)),
    this, SLOT(filesSelected(const QStringList&)));
  file_dialog.setWindowModality(Qt::WindowModal);
  file_dialog.exec();
}

//-----------------------------------------------------------------------------
void pqPlanarTextureRegistrationDialog::removeTexture()
{
  emit this->removeCurrentTexture();
  if(!this->PV_PLUGIN_USE)
    {
    this->Status = 1;
    this->MainDialog->close();
    }
  else
    {
    }
}

//-----------------------------------------------------------------------------
void pqPlanarTextureRegistrationDialog::displayImage(const QString &filename)
{
  if(filename.isEmpty() || filename.isNull())
    {
    return;
    }

  this->currentImageFileName = filename;
  bool defaultPosition = false;
  //Create the image source if it does not exist
  pqObjectBuilder* builder = pqApplicationCore::instance()->getObjectBuilder();
  if(!this->textureImageSource)
    {
    this->textureImageSource = ReadTextureImage(builder,
      this->CurrentServer, this->currentImageFileName.toAscii().data());
    this->imageDataRepresentation = builder->createDataRepresentation(
      this->textureImageSource->getOutputPort(0), this->imageRenderView);
    defaultPosition = true;
    }

  vtkSMPropertyHelper(this->textureImageSource->getProxy(), "FileName").Set(
        this->currentImageFileName.toAscii().data() );
  vtkSMSourceProxy::SafeDownCast(this->textureImageSource->getProxy())->UpdateVTKObjects();
  vtkSMSourceProxy::SafeDownCast(this->textureImageSource->getProxy())->UpdatePipeline();
  vtkSMPropertyHelper(this->imageDataRepresentation->getProxy(), "MapScalars").Set(0);
  vtkSMSourceProxy::SafeDownCast(this->imageDataRepresentation->getProxy())->UpdateVTKObjects();
  vtkSMSourceProxy::SafeDownCast(this->imageDataRepresentation->getProxy())->UpdatePipeline();

  this->PlaceWidgets(defaultPosition);
  this->updateAllViews();
  this->imageRenderView->resetCamera();
  this->CurrentView->resetCamera();
}

//-----------------------------------------------------------------------------
void pqPlanarTextureRegistrationDialog::PlaceWidgets(bool defaultPosition)
{
  if(!this->textureImageSource)
    {
    return;
    }
  //Position the widgets
  //Default positions are the corners
  vtkAlgorithm* source = vtkAlgorithm::SafeDownCast(
                           this->textureImageSource->getProxy()->GetClientSideObject());
  vtkImageData* image = vtkImageData::SafeDownCast(source->GetOutputDataObject(0));

  int extents[6];
  image->GetExtent(extents);

  double* bounds = this->CurrentBounds;

  QList<QVariant> center;
  if(defaultPosition)
    {
    QString num;
    this->TextureDialog->S1->setText(num.setNum(extents[0]));
    this->TextureDialog->T1->setText(num.setNum(extents[2]));
    this->TextureDialog->S2->setText(num.setNum(extents[1]));
    this->TextureDialog->T2->setText(num.setNum(extents[3]));
    this->TextureDialog->S3->setText(num.setNum(extents[0]));
    this->TextureDialog->T3->setText(num.setNum(extents[3]));

    this->TextureDialog->X1->setText(num.setNum(bounds[0]));
    this->TextureDialog->Y1->setText(num.setNum(bounds[2]));
    this->TextureDialog->X2->setText(num.setNum(bounds[1]));
    this->TextureDialog->Y2->setText(num.setNum(bounds[3]));
    this->TextureDialog->X3->setText(num.setNum(bounds[0]));
    this->TextureDialog->Y3->setText(num.setNum(bounds[3]));
    }
  center << this->TextureDialog->S1->text().toDouble() << this->TextureDialog->T1->text().toDouble() << extents[5];
  this->updatePointWidget(this->widgetI1, center);
  center.clear();
  center << this->TextureDialog->S2->text().toDouble() << this->TextureDialog->T2->text().toDouble() << extents[5];
  this->updatePointWidget(this->widgetI2, center);
  center.clear();
  center << this->TextureDialog->X1->text().toDouble() << this->TextureDialog->Y1->text().toDouble() << bounds[5];
  this->updatePointWidget(this->widgetS1, center);
  center.clear();
  center << this->TextureDialog->X2->text().toDouble() << this->TextureDialog->Y2->text().toDouble() << bounds[5];
  this->updatePointWidget(this->widgetS2, center);
  if(this->TextureDialog->RegistrationMode->currentIndex() == 1)
    {
    center.clear();
    center << this->TextureDialog->S3->text().toDouble() << this->TextureDialog->T3->text().toDouble() << extents[5];
    this->updatePointWidget(this->widgetI3, center);
    center.clear();
    center << this->TextureDialog->X3->text().toDouble() << this->TextureDialog->Y3->text().toDouble() << bounds[5];
    this->updatePointWidget(this->widgetS3, center);
    }
  else
    {
    center.clear();
    center << 0.0 << 0.0 << 0.0;
    this->updatePointWidget(this->widgetI3, center, false, false);
    this->updatePointWidget(this->widgetS3, center, false, false);
    }
}

//-----------------------------------------------------------------------------
vtkSMNewWidgetRepresentationProxy* pqPlanarTextureRegistrationDialog::setupPointWidget(pqServer *server,
                                                                                   pqRenderView *view)
{
  vtkSMNewWidgetRepresentationProxy* widget;
  QList<QVariant> center;
  center << 0.0 << 0.0 << 0.0;
  widget = pqApplicationCore::instance()->get3DWidgetFactory()->
           get3DWidget("PointSourceWidgetRepresentation", server);
  pqSMAdaptor::setElementProperty(widget->GetProperty("Visibility"),false);
  pqSMAdaptor::setElementProperty(widget->GetProperty("Enabled"),false);
  pqSMAdaptor::setElementProperty(widget->GetProperty("NumberOfPoints"),1);
  pqSMAdaptor::setMultipleElementProperty(widget->GetProperty("WorldPosition"),center);
  widget->UpdateVTKObjects();
  pqSMAdaptor::addProxyProperty(view->getProxy()->GetProperty("Representations"),
                                widget);
  view->getProxy()->UpdateVTKObjects();
  return widget;
}

//-----------------------------------------------------------------------------
void pqPlanarTextureRegistrationDialog::updatePointWidget(vtkSMNewWidgetRepresentationProxy *widget,
                                                      QList<QVariant> center,
                                                      bool visibility,
                                                      bool enable)
{
  pqSMAdaptor::setElementProperty(widget->GetProperty("Visibility"),visibility);
  pqSMAdaptor::setElementProperty(widget->GetProperty("Enabled"),enable);
  pqSMAdaptor::setMultipleElementProperty(widget->GetProperty("WorldPosition"),center);
  widget->UpdateVTKObjects();
}

//-----------------------------------------------------------------------------
void pqPlanarTextureRegistrationDialog::updateAllViews()
{
  if(this->imageRenderView)
    {
    this->imageRenderView->getProxy()->UpdateVTKObjects();
    this->imageRenderView->render();
    }
  if(this->CurrentView)
    {
    this->CurrentView->getProxy()->UpdateVTKObjects();
    this->CurrentView->render();
    }
}
//-----------------------------------------------------------------------------
void pqPlanarTextureRegistrationDialog::destroyingView(pqView* view)
{
  if(view == NULL)
    {
    return;
    }
  if(view == this->CurrentView)
    {
    this->removeSWidgets();
    this->CurrentView = NULL;
    }
  else if(view == this->imageRenderView)
    {
    this->removeIWidgets();
    pqObjectBuilder* builder = pqApplicationCore::instance()->getObjectBuilder();
    if(this->imageDataRepresentation)
      {
      builder->destroy(this->imageDataRepresentation);
      this->imageDataRepresentation = NULL;
      }
    this->imageRenderView = NULL;
    if(this->textureImageSource)
      {
      builder->destroy(this->textureImageSource);
      this->textureImageSource = NULL;
      }
    }
}
//-----------------------------------------------------------------------------
void pqPlanarTextureRegistrationDialog::getRegistrationPointPair(int i,
  double xy[2], double st[2], const double regPoints[12]) const
{
  int j = 4*i;
  xy[0] = regPoints[j++];
  xy[1] = regPoints[j++];
  st[0] = regPoints[j++];
  st[1] = regPoints[j++];
}
//-----------------------------------------------------------------------------
void pqPlanarTextureRegistrationDialog::updateTextureList(
  const QStringList & textureFiles,  const QString& currentTextureFile)
{
  // Set up the list of current textures
  this->TextureDialog->TextureFiles->blockSignals(true);
  this->TextureDialog->TextureFiles->clear();
  this->TextureDialog->TextureFiles->addItems(textureFiles);
  if (!currentTextureFile.isEmpty() && textureFiles.count())
    {
    int pos = textureFiles.indexOf(currentTextureFile);
    if (pos != -1)
      {
      this->currentImageFileName = currentTextureFile;
      this->TextureDialog->TextureFiles->setCurrentIndex(pos);
      }
    }
  this->TextureDialog ->TextureFiles->blockSignals(false);
}

//-----------------------------------------------------------------------------
void pqPlanarTextureRegistrationDialog::removeSWidgets()
{
  if(this->widgetS1)
    {
    pqSMAdaptor::removeProxyProperty(this->CurrentView->getProxy()->GetProperty("Representations"),
      this->widgetS1);
    this->widgetS1 = NULL;
    }
  if(this->widgetS2)
    {
    pqSMAdaptor::removeProxyProperty(this->CurrentView->getProxy()->GetProperty("Representations"),
      this->widgetS2);
    this->widgetS2 = NULL;
    }
  if(this->widgetS3)
    {
    pqSMAdaptor::removeProxyProperty(this->CurrentView->getProxy()->GetProperty("Representations"),
      this->widgetS3);
    this->widgetS3 = NULL;
    }
}
//-----------------------------------------------------------------------------
void pqPlanarTextureRegistrationDialog::removeIWidgets()
{
  if(this->widgetI1)
    {
    pqSMAdaptor::removeProxyProperty(this->imageRenderView->getProxy()->GetProperty("Representations"),
    this->widgetI1);
    this->widgetI1 = NULL;
    }
  if(this->widgetI2)
    {
    pqSMAdaptor::removeProxyProperty(this->imageRenderView->getProxy()->GetProperty("Representations"),
    this->widgetI2);
    this->widgetI2 = NULL;
    }
  if(this->widgetI3)
    {
    pqSMAdaptor::removeProxyProperty(this->imageRenderView->getProxy()->GetProperty("Representations"),
    this->widgetI3);
    this->widgetI3 = NULL;
    }
}
