cxImageLandmarksWidget.cpp

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.
                 
Copyright (c) SINTEF Department of Medical Technology.
All rights reserved.
                 
CustusX is released under a BSD 3-Clause license.
                 
See Lisence.txt (https://github.com/SINTEFMedtek/CustusX/blob/master/License.txt) for details.
=========================================================================*/

#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::getTypeName());
        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