cxVBWidget.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 <QLabel>
#include <QHBoxLayout>
#include <QVBoxLayout>
#include <QGroupBox>
#include <QSlider>
#include <QSpinBox>
#include <QGridLayout>
#include <QLabel>
#include <QDial>

#include "cxVBWidget.h"
#include "cxPatientModelServiceProxy.h"
#include "cxViewServiceProxy.h"
#include "cxDataSelectWidget.h"
#include "cxTrackingServiceProxy.h"
#include "cxView.h"
#include "cxSessionStorageServiceProxy.h"
#include "cxPatientStorage.h"
#include "cxVisServices.h"
#include "cxLogger.h"



namespace cx
{

VBWidget::VBWidget(VisServicesPtr services, QWidget *parent) :
        QWidget(parent),
        mVerticalLayout(new QVBoxLayout(this)),
        mControlsEnabled(false),
        mStorage(new PatientStorage(services->session(), "VirtualBronchoscopy"))
{
        this->setObjectName("Virtual Bronchoscopy Widget");
        this->setWindowTitle("Virtual Bronchoscopy");
        this->setWhatsThis(this->defaultWhatsThis());

        this->setFocusPolicy(Qt::StrongFocus);  // Widget needs focus to handle Key events

        mRouteToTarget = StringPropertySelectMesh::New(services->patient());
        mRouteToTarget->setValueName("Route to target path: ");
        mStorage->storeVariable("routeToTarget",
                                                        boost::bind(&StringPropertySelectMesh::getValue, mRouteToTarget),
                                                        boost::bind(&StringPropertySelectMesh::setValue, mRouteToTarget, _1));

        // Selector for route to target
        QVBoxLayout *inputVbox = new QVBoxLayout;
        inputVbox->addWidget(new DataSelectWidget(services->view(), services->patient(), this,mRouteToTarget));
        QGroupBox *inputBox = new QGroupBox(tr("Input"));
        inputBox->setLayout(inputVbox);
        mVerticalLayout->addWidget(inputBox);

        // Selectors for position along path and play/pause
        QHBoxLayout *playbackHBox = new QHBoxLayout;
        QGroupBox       *playbackBox = new QGroupBox(tr("Playback"));
        mPlaybackSlider = new QSlider(Qt::Horizontal);
        QLabel          *labelStart = new QLabel(tr("Start "));
        QLabel          *labelTarget = new QLabel(tr(" Target"));
        playbackHBox->addWidget(labelStart);
        playbackHBox->addWidget(mPlaybackSlider);
        playbackHBox->addWidget(labelTarget);
        playbackBox->setLayout(playbackHBox);
        mVerticalLayout->addWidget(playbackBox);
        mPlaybackSlider->setMinimum(0);
        mPlaybackSlider->setMaximum(100);

        // Selectors for virtual endoscope control
        QGroupBox       *endoscopeBox = new QGroupBox(tr("Endoscope"));
        QGridLayout     *endoscopeControlLayout = new QGridLayout;
        QLabel          *labelRot = new QLabel(tr("Rotate"));
        QLabel          *labelView = new QLabel(tr("Left/right (30 deg)"));
        mRotateDial = new QDial;
        mRotateDial->setMinimum(-180);
        mRotateDial->setMaximum(180);
        mViewSlider = new QDial;
        mViewSlider->setMinimum(-30);
        mViewSlider->setMaximum(30);


        endoscopeControlLayout->addWidget(labelRot,0,0,Qt::AlignHCenter);
        endoscopeControlLayout->addWidget(labelView,0,2,Qt::AlignHCenter);
        endoscopeControlLayout->addWidget(mRotateDial,1,0);
        endoscopeControlLayout->addWidget(mViewSlider,1,2);
        endoscopeBox->setLayout(endoscopeControlLayout);
        mVerticalLayout->addWidget(endoscopeBox);

        this->setLayout(mVerticalLayout);


        this->enableControls(false);

        mCameraPath = new CXVBcameraPath(services->tracking(), services->patient(), services->view());

        connect(mRouteToTarget.get(), &SelectDataStringPropertyBase::dataChanged,
                        this, &VBWidget::inputChangedSlot);
        connect(this, &VBWidget::cameraPathChanged, mCameraPath, &CXVBcameraPath::cameraRawPointsSlot);
        connect(mPlaybackSlider, &QSlider::valueChanged, mCameraPath, &CXVBcameraPath::cameraPathPositionSlot);
        connect(mViewSlider, &QSlider::valueChanged, mCameraPath, &CXVBcameraPath::cameraViewAngleSlot);
        connect(mRotateDial, &QDial::valueChanged, mCameraPath, &CXVBcameraPath::cameraRotateAngleSlot);

        mVerticalLayout->addStretch();
}

VBWidget::~VBWidget()
{
}

void VBWidget::setRouteToTarget(QString uid)
{
        mRouteToTarget->setValue(uid);
        mPlaybackSlider->setValue(5);
}

void  VBWidget::enableControls(bool enable)
{
        mPlaybackSlider->setEnabled(enable);
        mRotateDial->setEnabled(enable);
        mViewSlider->setEnabled(enable);
        mControlsEnabled = enable;
}

void VBWidget::inputChangedSlot()
{
        this->enableControls(true);
        emit cameraPathChanged(mRouteToTarget->getMesh());
}

void VBWidget::keyPressEvent(QKeyEvent* event)
{

        if (event->key()==Qt::Key_Up)
        {
                if(mControlsEnabled) {
                        int currentPos = mPlaybackSlider->value();
                        mPlaybackSlider->setValue(currentPos+1);
                        return;
                }
        }

        if (event->key()==Qt::Key_Down)
        {
                if(mControlsEnabled) {
                        int currentPos = mPlaybackSlider->value();
                        mPlaybackSlider->setValue(currentPos-1);
                        return;
                }
        }

        if (event->key()==Qt::Key_Right)
        {
                if(mControlsEnabled) {
                        int currentPos = mViewSlider->value();
                        mViewSlider->setValue(currentPos+1);
                        return;
                }
        }

        if (event->key()==Qt::Key_Left)
        {
                if(mControlsEnabled) {
                        int currentPos = mViewSlider->value();
                        mViewSlider->setValue(currentPos-1);
                        return;
                }
        }

        // Forward the keyPressevent if not processed
        QWidget::keyPressEvent(event);
}

QString VBWidget::defaultWhatsThis() const
{
  return "<html>"
          "<h3>Virtual Bronchoscopy.</h3>"
          "<p>GUI for visualizing a route-to-target path</p>"
      "</html>";
}



} /* namespace cx */