cxTransferFunctionPresetWidget.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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#include "cxTransferFunctionPresetWidget.h"

#include <QInputDialog>
#include <QMessageBox>

#include "cxSettings.h"
#include "cxActiveImageProxy.h"
#include "cxPatientModelService.h"
#include "cxLogger.h"

namespace cx {

TransferFunctionPresetWidget::TransferFunctionPresetWidget(PatientModelServicePtr patientModelService, QWidget* parent, bool is3D) :
                PresetWidget(parent), mIs3D(is3D),
                mPatientModelService(patientModelService)
{
        this->setObjectName("TransferFunctionPresetWidget");
        this->setPresets(patientModelService->getPresetTransferFunctions3D());
        QString toggleText = "Toggle between apply presets,\neither on %1\nor both 2D and 3D\ntransfer functions.";
        if (is3D)
                toggleText = toggleText.arg("3D");
        else
                toggleText = toggleText.arg("2D");

        mToggleAction = this->createAction(mActionGroup,
                        QIcon(":/icons/preset_2D_and_3D.png"), toggleText, "",
                        SLOT(toggleSlot()));
        this->populateButtonLayout();

        mApplyToAll = settings()->value("applyTransferFunctionPresetsToAll").toBool();
        this->updateToggles();

        mActiveImageProxy = ActiveImageProxy::New(patientModelService);
        connect(mActiveImageProxy.get(), &ActiveImageProxy::activeImageChanged, this,
                        &TransferFunctionPresetWidget::populatePresetListSlot);
        connect(mActiveImageProxy.get(), &ActiveImageProxy::propertiesChanged, this,
                        &TransferFunctionPresetWidget::populatePresetListSlot);
}

void TransferFunctionPresetWidget::toggleSlot() {
        mApplyToAll = !mApplyToAll;
        settings()->setValue("applyTransferFunctionPresetsToAll", mApplyToAll);

        this->updateToggles();
}

void TransferFunctionPresetWidget::updateToggles()
{
        if (mApplyToAll)
                mToggleAction->setIcon(QIcon(":/icons/preset_2D_and_3D.png"));
        else
        {
                if (mIs3D)
                        mToggleAction->setIcon(QIcon(":/icons/preset_3D.png"));
                else
                        mToggleAction->setIcon(QIcon(":/icons/preset_2D.png"));
        }
}

QString TransferFunctionPresetWidget::defaultWhatsThis() const
{
        return "<html>"
                        "<h3>Transfer Function Presets</h3>"
                        "<p>Lets you select a predefined transfer function.</p>"
                        "<p><i></i></p>"
                        "</html>";
}

void TransferFunctionPresetWidget::populatePresetListSlot()
{
        if (mPatientModelService->getActiveImage())
                PresetWidget::populatePresetList(mPresets->getPresetList(mPatientModelService->getActiveImage()->getModality()));
        else
                //No active image, show all available presets for debug/overview purposes
                PresetWidget::populatePresetList(mPresets->getPresetList("UNKNOWN"));
}

void TransferFunctionPresetWidget::presetsBoxChangedSlot(const QString& presetName)
{
        ImagePtr activeImage = mPatientModelService->getActiveImage();
        if (activeImage) {
                TransferFunctions3DPresetsPtr preset = boost::dynamic_pointer_cast<TransferFunctions3DPresets>(mPresets);
                preset->load(presetName, activeImage, this->use2D(), this->use3D());
        }
}

void TransferFunctionPresetWidget::resetSlot()
{
        PresetWidget::resetSlot();
        ImagePtr activeImage = mPatientModelService->getActiveImage();
        activeImage->resetTransferFunctions(this->use2D(), this->use3D());
}

void TransferFunctionPresetWidget::saveSlot()
{
        // generate a name suggestion: identical if custom, appended by index if default.
        QString newName = PresetWidget::getCurrentPreset();
        TransferFunctions3DPresetsPtr preset = boost::dynamic_pointer_cast<TransferFunctions3DPresets>(mPresets);
        if (!preset->getPresetList("").contains(newName))
                newName = "custom preset";
        if (preset->isDefaultPreset(newName))
                newName += "(2)";

        bool ok;
        QString text = QInputDialog::getText(this, "Save Preset",
                        "Custom Preset Name", QLineEdit::Normal, newName, &ok);
        if (!ok || text.isEmpty())
                return;

        ImagePtr activeImage = mPatientModelService->getActiveImage();
        preset->save(text, activeImage, this->use2D(), this->use3D());

        this->populatePresetListSlot();
        PresetWidget::requestSetCurrentPreset(text);
}

bool TransferFunctionPresetWidget::use2D() const
{

        return !mIs3D || mApplyToAll;
}

bool TransferFunctionPresetWidget::use3D() const
{
        return mIs3D || mApplyToAll;
}

void TransferFunctionPresetWidget::deleteSlot()
{
        if (mPresets->isDefaultPreset(PresetWidget::getCurrentPreset())) {
                reportWarning("It is not possible to delete one of the default presets");
                return;
        }

        TransferFunctions3DPresetsPtr preset = boost::dynamic_pointer_cast<TransferFunctions3DPresets>(mPresets);
        if (QMessageBox::question(this, "Delete current preset", "Do you really want to delete the current preset?", QMessageBox::Cancel | QMessageBox::Ok) != QMessageBox::Ok)
                return;
        preset->deletePresetData(PresetWidget::getCurrentPreset(), this->use2D(), this->use3D());

        this->populatePresetListSlot();
        this->resetSlot();
}

} //namespace cx