cxLandmarkImageRegistrationWidget.cpp

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.

Copyright (c) 2008-2014, SINTEF Department of Medical Technology
All rights reserved.

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modification, are permitted provided that the following conditions are met:

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   this list of conditions and the following disclaimer.

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   may be used to endorse or promote products derived from this software 
   without specific prior written permission.

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#include "cxLandmarkImageRegistrationWidget.h"

#include <sstream>
#include <QVBoxLayout>
#include <QPushButton>
#include <QTableWidget>
#include <QTableWidgetItem>
#include <QHeaderView>
#include <QLabel>
#include <QSlider>
#include <vtkDoubleArray.h>
#include <vtkImageData.h>
#include "cxLogger.h"
#include "cxPickerRep.h"
#include "cxLabeledComboBoxWidget.h"
#include "cxSettings.h"
#include "cxLandmarkRep.h"
#include "cxView.h"
#include "cxTypeConversions.h"
#include "cxSelectDataStringProperty.h"
#include "cxRegistrationService.h"
#include "cxPatientModelService.h"
#include "cxViewService.h"
#include "cxViewGroupData.h"
#include "cxRepContainer.h"
#include "cxTrackingService.h"

namespace cx
{
LandmarkImageRegistrationWidget::LandmarkImageRegistrationWidget(RegServices services, QWidget* parent,
        QString objectName, QString windowTitle) :
        LandmarkRegistrationWidget(services, parent, objectName, windowTitle)
{
        mCurrentProperty = StringPropertySelectData::New(mServices.patientModelService);
        connect(mCurrentProperty.get(), SIGNAL(changed()), this, SLOT(onCurrentImageChanged()));
        mImageLandmarkSource = ImageLandmarksSource::New();

        mActiveToolProxy = ActiveToolProxy::New(services.trackingService);
        connect(mActiveToolProxy.get(), SIGNAL(toolVisible(bool)), this, SLOT(enableButtons()));
        connect(mActiveToolProxy.get(), SIGNAL(activeToolChanged(const QString&)), this, SLOT(enableButtons()));

        //pushbuttons
        mAddLandmarkButton = new QPushButton("Add", this);
        mAddLandmarkButton->setToolTip("Add landmark");
        mAddLandmarkButton->setDisabled(true);
        connect(mAddLandmarkButton, SIGNAL(clicked()), this, SLOT(addLandmarkButtonClickedSlot()));

        mEditLandmarkButton = new QPushButton("Sample", this);
        mEditLandmarkButton->setToolTip("Resample landmark");
        mEditLandmarkButton->setDisabled(true);
        connect(mEditLandmarkButton, SIGNAL(clicked()), this, SLOT(editLandmarkButtonClickedSlot()));

        mRemoveLandmarkButton = new QPushButton("Clear", this);
        mRemoveLandmarkButton->setToolTip("Clear selected landmark");
        mRemoveLandmarkButton->setDisabled(true);
        connect(mRemoveLandmarkButton, SIGNAL(clicked()), this, SLOT(removeLandmarkButtonClickedSlot()));

        //layout
        mVerticalLayout->addWidget(new LabeledComboBoxWidget(this, mCurrentProperty));
        mVerticalLayout->addWidget(mLandmarkTableWidget);
        mVerticalLayout->addWidget(mAvarageAccuracyLabel);

        QHBoxLayout* landmarkButtonsLayout = new QHBoxLayout;
        landmarkButtonsLayout->addWidget(mAddLandmarkButton);
        landmarkButtonsLayout->addWidget(mEditLandmarkButton);
        landmarkButtonsLayout->addWidget(mRemoveLandmarkButton);
        mVerticalLayout->addLayout(landmarkButtonsLayout);
}

LandmarkImageRegistrationWidget::~LandmarkImageRegistrationWidget()
{
}

QString LandmarkImageRegistrationWidget::defaultWhatsThis() const
{
        return "<html>"
                "<h3>Landmark based image registration.</h3>"
                "<p>Sample landmarks in the data set. </p>"
                "<p><i>Click the volume and either add or resample landmarks.</i></p>"
                "<p>Landmark image registration will move the active image to the fixed image</p>"
                "</html>";
}

void LandmarkImageRegistrationWidget::onCurrentImageChanged()
{
        DataPtr data = mCurrentProperty->getData();

        mImageLandmarkSource->setData(data);
        this->enableButtons();

        if (data && !mServices.registrationService->getFixedData())
                mServices.registrationService->setFixedData(data);

        this->setModified();
}

PickerRepPtr LandmarkImageRegistrationWidget::getPickerRep()
{
        return mServices.visualizationService->get3DReps(0, 0)->findFirst<PickerRep>();
//      return RepContainer(mServices.visualizationService->get3DView(0, 0))->findFirst<PickerRep>();

//      if (!mServices.visualizationService->get3DView(0, 0))
//              return PickerRepPtr();

//      return RepContainer::findFirstRep<PickerRep>(mServices.visualizationService->get3DView(0, 0)->getReps());
}

DataPtr LandmarkImageRegistrationWidget::getCurrentData() const
{
        return mImageLandmarkSource->getData();
}

void LandmarkImageRegistrationWidget::addLandmarkButtonClickedSlot()
{
        PickerRepPtr PickerRep = this->getPickerRep();
        if (!PickerRep)
        {
                reportError("Could not find a rep to add the landmark to.");
                return;
        }

        DataPtr image = this->getCurrentData();
        if (!image)
                return;

        QString uid = mServices.patientModelService->addLandmark();
        Vector3D pos_r = PickerRep->getPosition();
        Vector3D pos_d = image->get_rMd().inv().coord(pos_r);
        image->getLandmarks()->setLandmark(Landmark(uid, pos_d));

    this->activateLandmark(uid);
}


void LandmarkImageRegistrationWidget::editLandmarkButtonClickedSlot()
{
        PickerRepPtr PickerRep = this->getPickerRep();
        if (!PickerRep)
        {
                reportError("Could not find a rep to edit the landmark for.");
                return;
        }

        DataPtr image = this->getCurrentData();
        if (!image)
                return;

        QString uid = mActiveLandmark;
        Vector3D pos_r = PickerRep->getPosition();
        Vector3D pos_d = image->get_rMd().inv().coord(pos_r);
        image->getLandmarks()->setLandmark(Landmark(uid, pos_d));

    this->activateLandmark(this->getNextLandmark());
}

void LandmarkImageRegistrationWidget::removeLandmarkButtonClickedSlot()
{
        DataPtr image = this->getCurrentData();
        if (!image)
                return;

    QString next = this->getNextLandmark();
        image->getLandmarks()->removeLandmark(mActiveLandmark);
    this->activateLandmark(next);
}

void LandmarkImageRegistrationWidget::cellClickedSlot(int row, int column)
{
        LandmarkRegistrationWidget::cellClickedSlot(row, column);
        this->enableButtons();
}

void LandmarkImageRegistrationWidget::enableButtons()
{
        bool selected = !mLandmarkTableWidget->selectedItems().isEmpty();
        bool loaded = this->getCurrentData() != 0;

        mEditLandmarkButton->setEnabled(selected);
        mRemoveLandmarkButton->setEnabled(selected);
        mAddLandmarkButton->setEnabled(loaded);

        DataPtr image = this->getCurrentData();
        if (image)
        {
                mAddLandmarkButton->setToolTip(QString("Add landmark to image %1").arg(image->getName()));
                mEditLandmarkButton->setToolTip(QString("Resample landmark in image %1").arg(image->getName()));
        }
//      this->setModified();
}

void LandmarkImageRegistrationWidget::showEvent(QShowEvent* event)
{
        LandmarkRegistrationWidget::showEvent(event);

        ImagePtr image = mServices.patientModelService->getActiveImage();
        if (image)
                mCurrentProperty->setValue(image->getUid());
//      if (image && !mManager->getFixedData())
//              mManager->setFixedData(image);
//      if (image && !mImageLandmarkSource->getData())
//              mImageLandmarkSource->setData(image);

        mServices.visualizationService->getGroup(0)->setRegistrationMode(rsIMAGE_REGISTRATED);
        LandmarkRepPtr rep = mServices.visualizationService->get3DReps(0, 0)->findFirst<LandmarkRep>();
        if (rep)
        {
                rep->setPrimarySource(mImageLandmarkSource);
                rep->setSecondarySource(LandmarksSourcePtr());
        }
}

void LandmarkImageRegistrationWidget::hideEvent(QHideEvent* event)
{
        LandmarkRegistrationWidget::hideEvent(event);

        if(mServices.visualizationService->get3DView(0, 0))
        {
                LandmarkRepPtr rep = mServices.visualizationService->get3DReps(0, 0)->findFirst<LandmarkRep>();
                if (rep)
                {
                        rep->setPrimarySource(LandmarksSourcePtr());
                        rep->setSecondarySource(LandmarksSourcePtr());
                }
        }
        mServices.visualizationService->getGroup(0)->setRegistrationMode(rsNOT_REGISTRATED);
}

void LandmarkImageRegistrationWidget::prePaintEvent()
{
    LandmarkRegistrationWidget::prePaintEvent();

        std::vector<Landmark> landmarks = this->getAllLandmarks();

        //update buttons
        mRemoveLandmarkButton->setEnabled(!landmarks.empty() && !mActiveLandmark.isEmpty());
        mEditLandmarkButton->setEnabled(!landmarks.empty() && !mActiveLandmark.isEmpty());
}

LandmarkMap LandmarkImageRegistrationWidget::getTargetLandmarks() const
{
        DataPtr image = this->getCurrentData();
        if (!image)
                return LandmarkMap();

        return image->getLandmarks()->getLandmarks();
}

Transform3D LandmarkImageRegistrationWidget::getTargetTransform() const
{
        DataPtr image = this->getCurrentData();
        if (!image)
                return Transform3D::Identity();
        return image->get_rMd();
}

void LandmarkImageRegistrationWidget::setTargetLandmark(QString uid, Vector3D p_target)
{
        DataPtr image = this->getCurrentData();
        if (!image)
                return;
        image->getLandmarks()->setLandmark(Landmark(uid, p_target));
}

QString LandmarkImageRegistrationWidget::getTargetName() const
{
        DataPtr image = this->getCurrentData();
        if (!image)
                return "None";
        return image->getName();
}


}//namespace cx