cxImageLandmarksWidget.cpp

Go to the documentation of this file.

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

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

Redistribution and use in source and binary forms, with or without 
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, 
   this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice, 
   this list of conditions and the following disclaimer in the documentation 
   and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its contributors 
   may be used to endorse or promote products derived from this software 
   without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
=========================================================================*/

#include "cxImageLandmarksWidget.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 "cxRepContainer.h"
#include "cxTrackingService.h"
#include "cxLandmarkListener.h"
#include "cxActiveData.h"
#include "cxPointMetric.h"
#include "cxSpaceProvider.h"

namespace cx
{
ImageLandmarksWidget::ImageLandmarksWidget(RegServicesPtr services, QWidget* parent,
        QString objectName, QString windowTitle, bool useRegistrationFixedPropertyInsteadOfActiveImage) :
        LandmarkRegistrationWidget(services, parent, objectName, windowTitle),
        mUseRegistrationFixedPropertyInsteadOfActiveImage(useRegistrationFixedPropertyInsteadOfActiveImage),
        mLandmarksShowAdvancedSettingsString("Landmarks/ShowAdvanced")
{
        if(mUseRegistrationFixedPropertyInsteadOfActiveImage)
                mCurrentProperty.reset(new StringPropertyRegistrationFixedImage(services->registration(), services->patient()));
        else
                mCurrentProperty = StringPropertySelectData::New(mServices->patient());
        connect(mCurrentProperty.get(), &Property::changed, this, &ImageLandmarksWidget::onCurrentImageChanged);

        mLandmarkListener->useOnlyOneSourceUpdatedFromOutside();

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

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

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

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

        mDeleteLandmarksButton = new QPushButton("Delete All", this);
        mDeleteLandmarksButton->setToolTip("Delete all landmarks");
        connect(mDeleteLandmarksButton, SIGNAL(clicked()), this, SLOT(deleteLandmarksButtonClickedSlot()));

        mImportLandmarksFromPointMetricsButton = new QPushButton("Import Point Metrics", this);
        mImportLandmarksFromPointMetricsButton->setToolTip("Import point metrics as landmarks. See the help pages for the details.");
        connect(mImportLandmarksFromPointMetricsButton, SIGNAL(clicked()), this, SLOT(importPointMetricsToLandmarkButtonClickedSlot()));

        //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);
        landmarkButtonsLayout->addWidget(mDeleteLandmarksButton);
        mDetailsAction = this->createAction(this,
                                                                                QIcon(":/icons/open_icon_library/system-run-5.png"),
                                                                                "Advanced", "Toggle advanced options",
                                                                                SLOT(toggleDetailsSlot()),
                                                                                landmarkButtonsLayout);
        mVerticalLayout->addLayout(landmarkButtonsLayout);

        QHBoxLayout* landmarkAdvancedButtonsLayout = new QHBoxLayout;
        landmarkAdvancedButtonsLayout = new QHBoxLayout;
        landmarkAdvancedButtonsLayout->addWidget(mImportLandmarksFromPointMetricsButton);
        mVerticalLayout->addLayout(landmarkAdvancedButtonsLayout);

        this->showOrHideDetails();
}

ImageLandmarksWidget::~ImageLandmarksWidget()
{
}

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

        mLandmarkListener->setLandmarkSource(data);
        this->enableButtons();

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

        this->setModified();
}

void ImageLandmarksWidget::toggleDetailsSlot()
{
        bool newShowAdvancedValue = !settings()->value(mLandmarksShowAdvancedSettingsString, "true").toBool();
        settings()->setValue(mLandmarksShowAdvancedSettingsString, newShowAdvancedValue);
        this->showOrHideDetails();
}

void ImageLandmarksWidget::showOrHideDetails()
{
        bool showAdvanced = settings()->value(mLandmarksShowAdvancedSettingsString).toBool();
        mImportLandmarksFromPointMetricsButton->setVisible(showAdvanced);
}

PickerRepPtr ImageLandmarksWidget::getPickerRep()
{
        return mServices->view()->get3DReps(0, 0)->findFirst<PickerRep>();
}

DataPtr ImageLandmarksWidget::getCurrentData() const
{
        return mLandmarkListener->getLandmarkSource();
}

void ImageLandmarksWidget::addLandmarkButtonClickedSlot()
{
        PickerRepPtr PickerRep = this->getPickerRep();
        if (!PickerRep)
        {
                reportError("Need a 3D view to set landmarks.");
                return;
        }

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

        QString uid = mServices->patient()->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 ImageLandmarksWidget::editLandmarkButtonClickedSlot()
{
        PickerRepPtr PickerRep = this->getPickerRep();
        if (!PickerRep)
        {
                reportError("Need a 3D view to edit landmarks.");
                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 ImageLandmarksWidget::removeLandmarkButtonClickedSlot()
{
        DataPtr image = this->getCurrentData();
        if (!image)
                return;

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

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

        image->getLandmarks()->clear();
        this->setModified();
        mServices->patient()->deleteLandmarks();
}

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

        std::map<QString, DataPtr> point_metrics = mServices->patient()->getChildren(image->getUid(), "pointMetric");
        std::map<QString, DataPtr>::iterator it = point_metrics.begin();

        //Make sure we have enough landmarks
        int number_of_landmarks = mServices->patient()->getLandmarkProperties().size();
        int number_of_metrics = point_metrics.size();
        for(int i=number_of_landmarks; i<number_of_metrics; ++i)
        {
                QString uid = mServices->patient()->addLandmark();
        }

        for(; it != point_metrics.end(); ++it)
        {
                PointMetricPtr point_metric = boost::static_pointer_cast<PointMetric>(it->second);
                if(!point_metric)
                        continue;

                Vector3D pos_x = point_metric->getCoordinate();
                //Transform3D d_M_x = mServices->spaceProvider()->get_toMfrom(CoordinateSystem::fromString(image->getSpace()), point_metric->getSpace());
                //Vector3D pos_d = d_M_x.coord(pos_x);
                QString point_metric_name = point_metric->getName();
                image->getLandmarks()->setLandmark(Landmark(point_metric_name, pos_x));
                this->activateLandmark(point_metric_name);
        }
}

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

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

        mEditLandmarkButton->setEnabled(selected);
        mRemoveLandmarkButton->setEnabled(selected);
        mDeleteLandmarksButton->setEnabled(loaded);
        mAddLandmarkButton->setEnabled(loaded);
        mImportLandmarksFromPointMetricsButton->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()));
        }
}

void ImageLandmarksWidget::showEvent(QShowEvent* event)
{
        mServices->view()->setRegistrationMode(rsIMAGE_REGISTRATED);
        LandmarkRegistrationWidget::showEvent(event);

        if(!mUseRegistrationFixedPropertyInsteadOfActiveImage)
        {
                ActiveDataPtr activeData = mServices->patient()->getActiveData();
                ImagePtr image = activeData->getActive<Image>();
                if (image)
                        mCurrentProperty->setValue(image->getUid());
        }
}

void ImageLandmarksWidget::hideEvent(QHideEvent* event)
{
        mServices->view()->setRegistrationMode(rsNOT_REGISTRATED);
        LandmarkRegistrationWidget::hideEvent(event);

}

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

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

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

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

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

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

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

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


}//namespace cx