diff --git a/Modules/Core/src/Controllers/mitkSliceNavigationController.cpp b/Modules/Core/src/Controllers/mitkSliceNavigationController.cpp index 6201016e0c..5d1b7aacc4 100644 --- a/Modules/Core/src/Controllers/mitkSliceNavigationController.cpp +++ b/Modules/Core/src/Controllers/mitkSliceNavigationController.cpp @@ -1,562 +1,560 @@ /*============================================================================ The Medical Imaging Interaction Toolkit (MITK) Copyright (c) German Cancer Research Center (DKFZ) All rights reserved. Use of this source code is governed by a 3-clause BSD license that can be found in the LICENSE file. ============================================================================*/ #include "mitkSliceNavigationController.h" #include #include "mitkBaseRenderer.h" -#include "mitkCrosshairPositionEvent.h" #include "mitkOperation.h" #include "mitkOperationActor.h" #include "mitkPlaneGeometry.h" #include "mitkProportionalTimeGeometry.h" #include "mitkArbitraryTimeGeometry.h" #include "mitkSlicedGeometry3D.h" #include "mitkVtkPropRenderer.h" #include "mitkImage.h" #include "mitkImagePixelReadAccessor.h" #include "mitkInteractionConst.h" #include "mitkNodePredicateDataType.h" #include "mitkOperationEvent.h" #include "mitkPixelTypeMultiplex.h" #include "mitkPlaneOperation.h" #include "mitkPointOperation.h" -#include "mitkStatusBar.h" #include "mitkApplyTransformMatrixOperation.h" namespace mitk { PlaneGeometry::PlaneOrientation ViewDirectionToPlaneOrientation(SliceNavigationController::ViewDirection viewDiretion) { switch (viewDiretion) { case SliceNavigationController::Axial: return PlaneGeometry::Axial; case SliceNavigationController::Sagittal: return PlaneGeometry::Sagittal; case SliceNavigationController::Coronal: return PlaneGeometry::Coronal; case SliceNavigationController::Original: default: return PlaneGeometry::None; } } SliceNavigationController::SliceNavigationController() : BaseController() , m_InputWorldTimeGeometry(TimeGeometry::ConstPointer()) , m_CreatedWorldGeometry(TimeGeometry::Pointer()) , m_ViewDirection(Axial) , m_DefaultViewDirection(Axial) , m_RenderingManager(RenderingManager::Pointer()) , m_Renderer(nullptr) , m_BlockUpdate(false) , m_SliceLocked(false) , m_SliceRotationLocked(false) { typedef itk::SimpleMemberCommand SNCCommandType; SNCCommandType::Pointer sliceStepperChangedCommand, timeStepperChangedCommand; sliceStepperChangedCommand = SNCCommandType::New(); timeStepperChangedCommand = SNCCommandType::New(); sliceStepperChangedCommand->SetCallbackFunction(this, &SliceNavigationController::SendSlice); timeStepperChangedCommand->SetCallbackFunction(this, &SliceNavigationController::SendTime); m_Slice->AddObserver(itk::ModifiedEvent(), sliceStepperChangedCommand); m_Time->AddObserver(itk::ModifiedEvent(), timeStepperChangedCommand); m_Slice->SetUnitName("mm"); m_Time->SetUnitName("ms"); } SliceNavigationController::~SliceNavigationController() { // nothing here } void SliceNavigationController::SetInputWorldTimeGeometry(const TimeGeometry* geometry) { if (nullptr != geometry) { if (geometry->GetBoundingBoxInWorld()->GetDiagonalLength2() < eps) { itkWarningMacro("setting an empty bounding-box"); geometry = nullptr; } } if (m_InputWorldTimeGeometry != geometry) { m_InputWorldTimeGeometry = geometry; this->Modified(); } } void SliceNavigationController::SetViewDirectionToDefault() { m_ViewDirection = m_DefaultViewDirection; } const char* SliceNavigationController::GetViewDirectionAsString() const { const char* viewDirectionString; switch (m_ViewDirection) { case SliceNavigationController::Axial: viewDirectionString = "Axial"; break; case SliceNavigationController::Sagittal: viewDirectionString = "Sagittal"; break; case SliceNavigationController::Coronal: viewDirectionString = "Coronal"; break; case SliceNavigationController::Original: viewDirectionString = "Original"; break; default: viewDirectionString = "No View Direction Available"; break; } return viewDirectionString; } void SliceNavigationController::Update() { if (!m_BlockUpdate) { if (m_ViewDirection == Sagittal) { this->Update(Sagittal, true, true, false); } else if (m_ViewDirection == Coronal) { this->Update(Coronal, false, true, false); } else if (m_ViewDirection == Axial) { this->Update(Axial, false, false, true); } else { this->Update(m_ViewDirection); } } } void SliceNavigationController::Update(SliceNavigationController::ViewDirection viewDirection, bool top, bool frontside, bool rotated) { if (m_BlockUpdate) { return; } if (m_InputWorldTimeGeometry.IsNull()) { return; } if (0 == m_InputWorldTimeGeometry->CountTimeSteps()) { return; } m_BlockUpdate = true; if (m_LastUpdateTime < m_InputWorldTimeGeometry->GetMTime()) { Modified(); } this->SetViewDirection(viewDirection); if (m_LastUpdateTime < GetMTime()) { m_LastUpdateTime = GetMTime(); this->CreateWorldGeometry(top, frontside, rotated); } // unblock update; we may do this now, because if m_BlockUpdate was already // true before this method was entered, then we will never come here. m_BlockUpdate = false; // Send the geometry. Do this even if nothing was changed, because maybe // Update() was only called to re-send the old geometry and time/slice data. this->SendCreatedWorldGeometry(); this->SendSlice(); this->SendTime(); // Adjust the stepper range of slice stepper according to geometry this->AdjustSliceStepperRange(); } void SliceNavigationController::SendCreatedWorldGeometry() { if (!m_BlockUpdate) { this->InvokeEvent(GeometrySendEvent(m_CreatedWorldGeometry, 0)); } } void SliceNavigationController::SendCreatedWorldGeometryUpdate() { if (!m_BlockUpdate) { this->InvokeEvent(GeometryUpdateEvent(m_CreatedWorldGeometry, m_Slice->GetPos())); } } void SliceNavigationController::SendSlice() { if (!m_BlockUpdate) { if (m_CreatedWorldGeometry.IsNotNull()) { this->InvokeEvent(GeometrySliceEvent(m_CreatedWorldGeometry, m_Slice->GetPos())); RenderingManager::GetInstance()->RequestUpdateAll(); } } } void SliceNavigationController::SendTime() { if (!m_BlockUpdate) { if (m_CreatedWorldGeometry.IsNotNull()) { this->InvokeEvent(GeometryTimeEvent(m_CreatedWorldGeometry, m_Time->GetPos())); RenderingManager::GetInstance()->RequestUpdateAll(); } } } void SliceNavigationController::SetGeometry(const itk::EventObject&) { // not implemented } void SliceNavigationController::SetGeometryTime(const itk::EventObject& geometryTimeEvent) { if (m_CreatedWorldGeometry.IsNull()) { return; } const auto* timeEvent = dynamic_cast(&geometryTimeEvent); assert(timeEvent != nullptr); TimeGeometry* timeGeometry = timeEvent->GetTimeGeometry(); assert(timeGeometry != nullptr); auto timeStep = (int)timeEvent->GetPos(); ScalarType timeInMS; timeInMS = timeGeometry->TimeStepToTimePoint(timeStep); timeStep = m_CreatedWorldGeometry->TimePointToTimeStep(timeInMS); this->GetTime()->SetPos(timeStep); } void SliceNavigationController::SetGeometrySlice(const itk::EventObject& geometrySliceEvent) { const auto* sliceEvent = dynamic_cast(&geometrySliceEvent); assert(sliceEvent != nullptr); this->GetSlice()->SetPos(sliceEvent->GetPos()); } void SliceNavigationController::SelectSliceByPoint(const Point3D& point) { if (m_CreatedWorldGeometry.IsNull()) { return; } int selectedSlice = -1; try { selectedSlice = SliceNavigationHelper::SelectSliceByPoint(m_CreatedWorldGeometry, point); } catch (const mitk::Exception& e) { MITK_ERROR << "Unable to select a slice by the given point " << point << "\n" << "Reason: " << e.GetDescription(); } if (-1 == selectedSlice) { return; } this->GetSlice()->SetPos(selectedSlice); this->SendCreatedWorldGeometryUpdate(); // send crosshair event SetCrosshairEvent.Send(point); } void SliceNavigationController::ReorientSlices(const Point3D& point, const Vector3D& normal) { if (m_CreatedWorldGeometry.IsNull()) { return; } PlaneOperation op(OpORIENT, point, normal); m_CreatedWorldGeometry->ExecuteOperation(&op); this->SendCreatedWorldGeometryUpdate(); } void SliceNavigationController::ReorientSlices(const Point3D& point, const Vector3D& axisVec0, const Vector3D& axisVec1) { if (m_CreatedWorldGeometry.IsNull()) { return; } PlaneOperation op(OpORIENT, point, axisVec0, axisVec1); m_CreatedWorldGeometry->ExecuteOperation(&op); this->SendCreatedWorldGeometryUpdate(); } const BaseGeometry* SliceNavigationController::GetCurrentGeometry3D() { if (m_CreatedWorldGeometry.IsNull()) { return nullptr; } return m_CreatedWorldGeometry->GetGeometryForTimeStep(this->GetTime()->GetPos()); } const PlaneGeometry* SliceNavigationController::GetCurrentPlaneGeometry() { const auto* slicedGeometry = dynamic_cast(this->GetCurrentGeometry3D()); if (nullptr == slicedGeometry) { return nullptr; } return slicedGeometry->GetPlaneGeometry(this->GetSlice()->GetPos()); } void SliceNavigationController::AdjustSliceStepperRange() { const auto* slicedGeometry = dynamic_cast(this->GetCurrentGeometry3D()); const Vector3D& direction = slicedGeometry->GetDirectionVector(); int c = 0; int i, k = 0; for (i = 0; i < 3; ++i) { if (fabs(direction[i]) < 0.000000001) { ++c; } else { k = i; } } if (c == 2) { ScalarType min = slicedGeometry->GetOrigin()[k]; ScalarType max = min + slicedGeometry->GetExtentInMM(k); m_Slice->SetRange(min, max); } else { m_Slice->InvalidateRange(); } } void SliceNavigationController::ExecuteOperation(Operation* operation) { // switch on type // - select best slice for a given point // - rotate created world geometry according to Operation->SomeInfo() if (!operation || m_CreatedWorldGeometry.IsNull()) { return; } switch (operation->GetOperationType()) { case OpMOVE: // should be a point operation { if (!m_SliceLocked) // do not move the cross position { // select a slice auto* po = dynamic_cast(operation); if (po && po->GetIndex() == -1) { this->SelectSliceByPoint(po->GetPoint()); } else if (po && po->GetIndex() != -1) // undo case because index != -1, index holds the old position of this slice { this->GetSlice()->SetPos(po->GetIndex()); } } break; } case OpRESTOREPLANEPOSITION: { m_CreatedWorldGeometry->ExecuteOperation(operation); this->SendCreatedWorldGeometryUpdate(); break; } case OpAPPLYTRANSFORMMATRIX: { m_CreatedWorldGeometry->ExecuteOperation(operation); this->SendCreatedWorldGeometryUpdate(); break; } default: { // do nothing break; } } } TimeStepType SliceNavigationController::GetSelectedTimeStep() const { return this->GetTime()->GetPos(); } TimePointType SliceNavigationController::GetSelectedTimePoint() const { auto timeStep = this->GetSelectedTimeStep(); if (m_CreatedWorldGeometry.IsNull()) { return 0.0; } if (!m_CreatedWorldGeometry->IsValidTimeStep(timeStep)) { mitkThrow() << "SliceNavigationController is in an invalid state. It has a time step" << "selected that is not covered by its time geometry. Selected time step: " << timeStep << "; TimeGeometry steps count: " << m_CreatedWorldGeometry->CountTimeSteps(); } return m_CreatedWorldGeometry->TimeStepToTimePoint(timeStep); } void SliceNavigationController::CreateWorldGeometry(bool top, bool frontside, bool rotated) { // initialize the viewplane SlicedGeometry3D::Pointer slicedWorldGeometry; BaseGeometry::ConstPointer currentGeometry; // get the BaseGeometry (ArbitraryTimeGeometry or ProportionalTimeGeometry) of the current time step auto currentTimeStep = this->GetTime()->GetPos(); if (m_InputWorldTimeGeometry->IsValidTimeStep(currentTimeStep)) { currentGeometry = m_InputWorldTimeGeometry->GetGeometryForTimeStep(currentTimeStep); } else { currentGeometry = m_InputWorldTimeGeometry->GetGeometryForTimeStep(0); } if (Original == m_ViewDirection) { slicedWorldGeometry = dynamic_cast( m_InputWorldTimeGeometry->GetGeometryForTimeStep(currentTimeStep).GetPointer()); if (slicedWorldGeometry.IsNull()) { slicedWorldGeometry = SlicedGeometry3D::New(); slicedWorldGeometry->InitializePlanes( currentGeometry, PlaneGeometry::None, top, frontside, rotated); slicedWorldGeometry->SetSliceNavigationController(this); } } else { slicedWorldGeometry = SlicedGeometry3D::New(); slicedWorldGeometry->InitializePlanes( currentGeometry, ViewDirectionToPlaneOrientation(m_ViewDirection), top, frontside, rotated); slicedWorldGeometry->SetSliceNavigationController(this); } // reset the stepper m_Slice->SetSteps(slicedWorldGeometry->GetSlices()); m_Slice->SetPos(0); TimeStepType inputTimeSteps = m_InputWorldTimeGeometry->CountTimeSteps(); const TimeBounds& timeBounds = m_InputWorldTimeGeometry->GetTimeBounds(); m_Time->SetSteps(inputTimeSteps); m_Time->SetPos(0); m_Time->SetRange(timeBounds[0], timeBounds[1]); currentTimeStep = this->GetTime()->GetPos(); assert(m_InputWorldTimeGeometry->GetGeometryForTimeStep(currentTimeStep).IsNotNull()); // create new time geometry and initialize it according to the type of the 'm_InputWorldTimeGeometry' // the created world geometry will either have equidistant timesteps (ProportionalTimeGeometry) // or individual time bounds for each timestep (ArbitraryTimeGeometry) m_CreatedWorldGeometry = mitk::TimeGeometry::Pointer(); if (nullptr != dynamic_cast(m_InputWorldTimeGeometry.GetPointer())) { const TimePointType minimumTimePoint = m_InputWorldTimeGeometry->TimeStepToTimePoint(currentTimeStep); const TimePointType stepDuration = m_InputWorldTimeGeometry->TimeStepToTimePoint(currentTimeStep + 1) - minimumTimePoint; auto createdTimeGeometry = ProportionalTimeGeometry::New(); createdTimeGeometry->Initialize(slicedWorldGeometry, inputTimeSteps); createdTimeGeometry->SetFirstTimePoint(minimumTimePoint); createdTimeGeometry->SetStepDuration(stepDuration); m_CreatedWorldGeometry = createdTimeGeometry; } else { auto createdTimeGeometry = mitk::ArbitraryTimeGeometry::New(); createdTimeGeometry->ReserveSpaceForGeometries(inputTimeSteps); const BaseGeometry::Pointer clonedGeometry = slicedWorldGeometry->Clone(); for (TimeStepType i = 0; i < inputTimeSteps; ++i) { const auto bounds = m_InputWorldTimeGeometry->GetTimeBounds(i); createdTimeGeometry->AppendNewTimeStep(clonedGeometry, bounds[0], bounds[1]); } createdTimeGeometry->Update(); m_CreatedWorldGeometry = createdTimeGeometry; } } } // namespace mitk diff --git a/Plugins/org.mitk.gui.qt.common/src/QmitkSliceNavigationListener.cpp b/Plugins/org.mitk.gui.qt.common/src/QmitkSliceNavigationListener.cpp index 9c8bf772ba..53919dd2f1 100644 --- a/Plugins/org.mitk.gui.qt.common/src/QmitkSliceNavigationListener.cpp +++ b/Plugins/org.mitk.gui.qt.common/src/QmitkSliceNavigationListener.cpp @@ -1,205 +1,203 @@ /*============================================================================ The Medical Imaging Interaction Toolkit (MITK) Copyright (c) German Cancer Research Center (DKFZ) All rights reserved. Use of this source code is governed by a 3-clause BSD license that can be found in the LICENSE file. ============================================================================*/ // Qmitk #include "QmitkRenderWindow.h" #include "QmitkSliceNavigationListener.h" #include "mitkIRenderWindowPart.h" // Qt #include #include ///********************************************** QmitkSliceNavigationListener::QmitkSliceNavigationListener() : m_renderWindowPart(nullptr), m_PendingSliceChangedEvent(false), m_CurrentSelectedPosition(std::numeric_limits::lowest()), m_CurrentSelectedTimePoint(std::numeric_limits::lowest()) { } QmitkSliceNavigationListener::~QmitkSliceNavigationListener() { this->RemoveAllObservers(); -}; +} mitk::TimePointType QmitkSliceNavigationListener::GetCurrentSelectedTimePoint() const { return m_CurrentSelectedTimePoint; } mitk::Point3D QmitkSliceNavigationListener::GetCurrentSelectedPosition() const { return m_CurrentSelectedPosition; } void QmitkSliceNavigationListener::OnSliceChangedDelayed() { m_PendingSliceChangedEvent = false; emit SliceChanged(); if (nullptr != m_renderWindowPart) { const auto newSelectedPosition = m_renderWindowPart->GetSelectedPosition(); const auto newSelectedTimePoint = m_renderWindowPart->GetSelectedTimePoint(); if (newSelectedPosition != m_CurrentSelectedPosition) { m_CurrentSelectedPosition = newSelectedPosition; emit SelectedPositionChanged(newSelectedPosition); } if (newSelectedTimePoint != m_CurrentSelectedTimePoint) { m_CurrentSelectedTimePoint = newSelectedTimePoint; emit SelectedTimePointChanged(newSelectedTimePoint); } } -}; +} -void -QmitkSliceNavigationListener::OnSliceChangedInternal(const itk::EventObject&) +void QmitkSliceNavigationListener::OnSliceChangedInternal(const itk::EventObject&) { - // Taken from QmitkStdMultiWidget::HandleCrosshairPositionEvent(). // Since there are always 3 events arriving (one for each render window) every time the slice // or time changes, the slot OnSliceChangedDelayed is triggered - and only if it hasn't been // triggered yet - so it is only executed once for every slice/time change. if (!m_PendingSliceChangedEvent) { m_PendingSliceChangedEvent = true; QTimer::singleShot(0, this, SLOT(OnSliceChangedDelayed())); } -}; +} void QmitkSliceNavigationListener::OnSliceNavigationControllerDeleted(const itk::Object* sender, const itk::EventObject& /*e*/) { const mitk::SliceNavigationController* sendingSlicer = dynamic_cast(sender); this->RemoveObservers(sendingSlicer); -}; +} void QmitkSliceNavigationListener::RenderWindowPartActivated(mitk::IRenderWindowPart* renderWindowPart) { if (m_renderWindowPart != renderWindowPart) { m_renderWindowPart = renderWindowPart; if (!InitObservers()) { QMessageBox::information(nullptr, "Error", "Unable to set up the event observers. The " \ "plot will not be triggered on changing the crosshair, " \ "position or time step."); } m_CurrentSelectedPosition = m_renderWindowPart->GetSelectedPosition(); m_CurrentSelectedTimePoint = m_renderWindowPart->GetSelectedTimePoint(); } -}; +} void QmitkSliceNavigationListener::RenderWindowPartDeactivated(mitk::IRenderWindowPart* renderWindowPart) { m_renderWindowPart = nullptr; this->RemoveAllObservers(renderWindowPart); -}; +} bool QmitkSliceNavigationListener::InitObservers() { bool result = true; typedef QHash WindowMapType; WindowMapType windowMap = m_renderWindowPart->GetQmitkRenderWindows(); auto i = windowMap.begin(); while (i != windowMap.end()) { mitk::SliceNavigationController* sliceNavController = i.value()->GetSliceNavigationController(); if (sliceNavController) { itk::ReceptorMemberCommand::Pointer cmdSliceEvent = itk::ReceptorMemberCommand::New(); cmdSliceEvent->SetCallbackFunction(this, &QmitkSliceNavigationListener::OnSliceChangedInternal); int tag = sliceNavController->AddObserver( mitk::SliceNavigationController::GeometrySliceEvent(nullptr, 0), cmdSliceEvent); m_ObserverMap.insert(std::make_pair(sliceNavController, ObserverInfo(sliceNavController, tag, i.key().toStdString(), m_renderWindowPart))); itk::ReceptorMemberCommand::Pointer cmdTimeEvent = itk::ReceptorMemberCommand::New(); cmdTimeEvent->SetCallbackFunction(this, &QmitkSliceNavigationListener::OnSliceChangedInternal); tag = sliceNavController->AddObserver( mitk::SliceNavigationController::GeometryTimeEvent(nullptr, 0), cmdTimeEvent); m_ObserverMap.insert(std::make_pair(sliceNavController, ObserverInfo(sliceNavController, tag, i.key().toStdString(), m_renderWindowPart))); itk::MemberCommand::Pointer cmdDelEvent = itk::MemberCommand::New(); cmdDelEvent->SetCallbackFunction(this, &QmitkSliceNavigationListener::OnSliceNavigationControllerDeleted); tag = sliceNavController->AddObserver( itk::DeleteEvent(), cmdDelEvent); m_ObserverMap.insert(std::make_pair(sliceNavController, ObserverInfo(sliceNavController, tag, i.key().toStdString(), m_renderWindowPart))); } ++i; result = result && sliceNavController; } return result; -}; +} void QmitkSliceNavigationListener::RemoveObservers(const mitk::SliceNavigationController* deletedSlicer) { std::pair < ObserverMapType::const_iterator, ObserverMapType::const_iterator> obsRange = m_ObserverMap.equal_range(deletedSlicer); for (ObserverMapType::const_iterator pos = obsRange.first; pos != obsRange.second; ++pos) { pos->second.controller->RemoveObserver(pos->second.observerTag); } m_ObserverMap.erase(deletedSlicer); -}; +} void QmitkSliceNavigationListener::RemoveAllObservers(mitk::IRenderWindowPart* deletedPart) { for (ObserverMapType::const_iterator pos = m_ObserverMap.begin(); pos != m_ObserverMap.end();) { ObserverMapType::const_iterator delPos = pos++; if (deletedPart == nullptr || deletedPart == delPos->second.renderWindowPart) { delPos->second.controller->RemoveObserver(delPos->second.observerTag); m_ObserverMap.erase(delPos); } } -}; +} QmitkSliceNavigationListener::ObserverInfo::ObserverInfo(mitk::SliceNavigationController* controller, int observerTag, const std::string& renderWindowName, mitk::IRenderWindowPart* part) : controller(controller), observerTag(observerTag), renderWindowName(renderWindowName), renderWindowPart(part) { -}; +} diff --git a/Plugins/org.mitk.gui.qt.dicominspector/src/internal/QmitkDicomInspectorView.cpp b/Plugins/org.mitk.gui.qt.dicominspector/src/internal/QmitkDicomInspectorView.cpp index 9004dac7f8..d3b1171e2c 100644 --- a/Plugins/org.mitk.gui.qt.dicominspector/src/internal/QmitkDicomInspectorView.cpp +++ b/Plugins/org.mitk.gui.qt.dicominspector/src/internal/QmitkDicomInspectorView.cpp @@ -1,378 +1,377 @@ /*============================================================================ The Medical Imaging Interaction Toolkit (MITK) Copyright (c) German Cancer Research Center (DKFZ) All rights reserved. Use of this source code is governed by a 3-clause BSD license that can be found in the LICENSE file. ============================================================================*/ // Blueberry #include #include #include // mitk #include #include #include // Qt #include #include #include #include #include "QmitkDicomInspectorView.h" const std::string QmitkDicomInspectorView::VIEW_ID = "org.mitk.views.dicominspector"; QmitkDicomInspectorView::ObserverInfo::ObserverInfo(mitk::SliceNavigationController* controller, int observerTag, const std::string& renderWindowName, mitk::IRenderWindowPart* part) : controller(controller), observerTag(observerTag), renderWindowName(renderWindowName), renderWindowPart(part) { } QmitkDicomInspectorView::QmitkDicomInspectorView() : m_RenderWindowPart(nullptr) , m_PendingSliceChangedEvent(false) , m_SelectedNode(nullptr) , m_SelectedTimePoint(0.) , m_CurrentSelectedZSlice(0) { m_SelectedPosition.Fill(0.0); } QmitkDicomInspectorView::~QmitkDicomInspectorView() { this->RemoveAllObservers(); } void QmitkDicomInspectorView::RenderWindowPartActivated(mitk::IRenderWindowPart* renderWindowPart) { if (m_RenderWindowPart != renderWindowPart) { m_RenderWindowPart = renderWindowPart; if (!InitObservers()) { QMessageBox::information(nullptr, "Error", "Unable to set up the event observers. The " \ "plot will not be triggered on changing the crosshair, " \ "position or time step."); } } } void QmitkDicomInspectorView::RenderWindowPartDeactivated(mitk::IRenderWindowPart* renderWindowPart) { m_RenderWindowPart = nullptr; this->RemoveAllObservers(renderWindowPart); } void QmitkDicomInspectorView::CreateQtPartControl(QWidget* parent) { // create GUI widgets from the Qt Designer's .ui file m_Controls.setupUi(parent); m_Controls.singleSlot->SetDataStorage(GetDataStorage()); m_Controls.singleSlot->SetSelectionIsOptional(true); m_Controls.singleSlot->SetAutoSelectNewNodes(true); m_Controls.singleSlot->SetEmptyInfo(QString("Please select a data node")); m_Controls.singleSlot->SetPopUpTitel(QString("Select data node")); m_SelectionServiceConnector = std::make_unique(); SetAsSelectionListener(true); m_Controls.timePointValueLabel->setText(QString("")); m_Controls.sliceNumberValueLabel->setText(QString("")); connect(m_Controls.singleSlot, &QmitkSingleNodeSelectionWidget::CurrentSelectionChanged, this, &QmitkDicomInspectorView::OnCurrentSelectionChanged); mitk::IRenderWindowPart* renderWindowPart = GetRenderWindowPart(); RenderWindowPartActivated(renderWindowPart); } bool QmitkDicomInspectorView::InitObservers() { bool result = true; typedef QHash WindowMapType; WindowMapType windowMap = m_RenderWindowPart->GetQmitkRenderWindows(); auto i = windowMap.begin(); while (i != windowMap.end()) { mitk::SliceNavigationController* sliceNavController = i.value()->GetSliceNavigationController(); if (sliceNavController) { auto cmdSliceEvent = itk::SimpleMemberCommand::New(); cmdSliceEvent->SetCallbackFunction(this, &QmitkDicomInspectorView::OnSliceChanged); int tag = sliceNavController->AddObserver( mitk::SliceNavigationController::GeometrySliceEvent(nullptr, 0), cmdSliceEvent); m_ObserverMap.insert(std::make_pair(sliceNavController, ObserverInfo(sliceNavController, tag, i.key().toStdString(), m_RenderWindowPart))); auto cmdTimeEvent = itk::SimpleMemberCommand::New(); cmdTimeEvent->SetCallbackFunction(this, &QmitkDicomInspectorView::OnSliceChanged); tag = sliceNavController->AddObserver( mitk::SliceNavigationController::GeometryTimeEvent(nullptr, 0), cmdTimeEvent); m_ObserverMap.insert(std::make_pair(sliceNavController, ObserverInfo(sliceNavController, tag, i.key().toStdString(), m_RenderWindowPart))); auto cmdDelEvent = itk::MemberCommand::New(); cmdDelEvent->SetCallbackFunction(this, &QmitkDicomInspectorView::OnSliceNavigationControllerDeleted); tag = sliceNavController->AddObserver(itk::DeleteEvent(), cmdDelEvent); m_ObserverMap.insert(std::make_pair(sliceNavController, ObserverInfo(sliceNavController, tag, i.key().toStdString(), m_RenderWindowPart))); } ++i; result = result && sliceNavController; } return result; } void QmitkDicomInspectorView::RemoveObservers(const mitk::SliceNavigationController* deletedSlicer) { std::pair obsRange = m_ObserverMap.equal_range(deletedSlicer); for (ObserverMapType::const_iterator pos = obsRange.first; pos != obsRange.second; ++pos) { pos->second.controller->RemoveObserver(pos->second.observerTag); } m_ObserverMap.erase(deletedSlicer); } void QmitkDicomInspectorView::RemoveAllObservers(mitk::IRenderWindowPart* deletedPart) { for (ObserverMapType::const_iterator pos = m_ObserverMap.begin(); pos != m_ObserverMap.end();) { ObserverMapType::const_iterator delPos = pos++; if (nullptr == deletedPart || deletedPart == delPos->second.renderWindowPart) { delPos->second.controller->RemoveObserver(delPos->second.observerTag); m_ObserverMap.erase(delPos); } } } void QmitkDicomInspectorView::OnCurrentSelectionChanged(QList nodes) { if (nodes.empty() || nodes.front().IsNull()) { m_SelectedNode = nullptr; m_SelectedData = nullptr; UpdateData(); return; } if (nodes.front() != this->m_SelectedNode) { // node is selected, create DICOM tag table m_SelectedNode = nodes.front(); m_SelectedData = this->m_SelectedNode->GetData(); m_SelectedNodeTime.Modified(); UpdateData(); OnSliceChangedDelayed(); } } void QmitkDicomInspectorView::OnSliceChanged() { - // Taken from QmitkStdMultiWidget::HandleCrosshairPositionEvent(). // Since there are always 3 events arriving (one for each render window) every time the slice // or time changes, the slot OnSliceChangedDelayed is triggered - and only if it hasn't been // triggered yet - so it is only executed once for every slice/time change. if (!m_PendingSliceChangedEvent) { m_PendingSliceChangedEvent = true; QTimer::singleShot(0, this, SLOT(OnSliceChangedDelayed())); } } void QmitkDicomInspectorView::OnSliceNavigationControllerDeleted(const itk::Object* sender, const itk::EventObject& /*e*/) { auto sendingSlicer = dynamic_cast(sender); this->RemoveObservers(sendingSlicer); } void QmitkDicomInspectorView::ValidateAndSetCurrentPosition() { auto* renderWindowPart = this->GetRenderWindowPart(mitk::WorkbenchUtil::OPEN); auto currentSelectedPosition = renderWindowPart->GetSelectedPosition(nullptr); const auto currentSelectedTimePoint = renderWindowPart->GetSelectedTimePoint(); if (m_SelectedPosition != currentSelectedPosition || m_SelectedTimePoint != currentSelectedTimePoint || m_SelectedNodeTime > m_CurrentPositionTime) { // the current position has been changed, the selected node has been changed since // the last position validation or the current time position has been changed -> check position m_SelectedPosition = currentSelectedPosition; m_SelectedTimePoint = currentSelectedTimePoint; m_CurrentPositionTime.Modified(); m_ValidSelectedPosition = false; if (m_SelectedData.IsNull()) { return; } mitk::BaseGeometry::Pointer geometry = m_SelectedData->GetTimeGeometry()->GetGeometryForTimePoint(m_SelectedTimePoint); // check for invalid time step if (geometry.IsNull()) { geometry = m_SelectedData->GetTimeGeometry()->GetGeometryForTimeStep(0); } if (geometry.IsNull()) { return; } m_ValidSelectedPosition = geometry->IsInside(m_SelectedPosition); itk::Index<3> index; geometry->WorldToIndex(m_SelectedPosition, index); m_CurrentSelectedZSlice = index[2]; } } void QmitkDicomInspectorView::OnSliceChangedDelayed() { m_PendingSliceChangedEvent = false; ValidateAndSetCurrentPosition(); m_Controls.tableTags->setEnabled(m_ValidSelectedPosition); if (m_SelectedNode.IsNotNull()) { RenderTable(); } } void QmitkDicomInspectorView::RenderTable() { assert(nullptr != m_RenderWindowPart); const auto timeStep = (m_SelectedData.IsNull()) ? 0 : m_SelectedData->GetTimeGeometry()->TimePointToTimeStep(m_SelectedTimePoint); unsigned int rowIndex = 0; for (const auto& element : m_Tags) { QTableWidgetItem* newItem = new QTableWidgetItem(QString::fromStdString( element.second.prop->GetValue(timeStep, m_CurrentSelectedZSlice, true, true))); m_Controls.tableTags->setItem(rowIndex, 3, newItem); ++rowIndex; } UpdateLabels(); } void QmitkDicomInspectorView::UpdateData() { QStringList headers; m_Controls.tableTags->horizontalHeader()->resizeSections(QHeaderView::ResizeToContents); m_Tags.clear(); if (m_SelectedData.IsNotNull()) { for (const auto& element : *(m_SelectedData->GetPropertyList()->GetMap())) { if (element.first.find("DICOM") == 0) { std::istringstream stream(element.first); std::string token; std::getline(stream, token, '.'); //drop the DICOM suffix std::getline(stream, token, '.'); //group id unsigned long dcmgroup = std::stoul(token, nullptr, 16); std::getline(stream, token, '.'); //element id unsigned long dcmelement = std::stoul(token, nullptr, 16); TagInfo info(mitk::DICOMTag(dcmgroup, dcmelement), dynamic_cast(element.second.GetPointer())); m_Tags.insert(std::make_pair(element.first, info)); } } } m_Controls.tableTags->setRowCount(m_Tags.size()); unsigned int rowIndex = 0; for (const auto& element : m_Tags) { QTableWidgetItem* newItem = new QTableWidgetItem(QString::number(element.second.tag.GetGroup(), 16)); m_Controls.tableTags->setItem(rowIndex, 0, newItem); newItem = new QTableWidgetItem(QString::number(element.second.tag.GetElement(), 16)); m_Controls.tableTags->setItem(rowIndex, 1, newItem); newItem = new QTableWidgetItem(QString::fromStdString(element.second.tag.GetName())); m_Controls.tableTags->setItem(rowIndex, 2, newItem); newItem = new QTableWidgetItem(QString::fromStdString(element.second.prop->GetValue())); m_Controls.tableTags->setItem(rowIndex, 3, newItem); ++rowIndex; } UpdateLabels(); } void QmitkDicomInspectorView::UpdateLabels() { if (m_SelectedData.IsNull()) { m_Controls.timePointValueLabel->setText(QString("")); m_Controls.sliceNumberValueLabel->setText(QString("")); } else { const auto timeStep = m_SelectedData->GetTimeGeometry()->TimePointToTimeStep(m_SelectedTimePoint); if (m_ValidSelectedPosition) { m_Controls.timePointValueLabel->setText(QString::number(timeStep) + QStringLiteral("(")+ QString::number(m_SelectedTimePoint/1000.) + QStringLiteral(" [s])")); m_Controls.sliceNumberValueLabel->setText(QString::number(m_CurrentSelectedZSlice)); } else { m_Controls.timePointValueLabel->setText(QString("outside data geometry")); m_Controls.sliceNumberValueLabel->setText(QString("outside data geometry")); } } } void QmitkDicomInspectorView::SetAsSelectionListener(bool checked) { if (checked) { m_SelectionServiceConnector->AddPostSelectionListener(GetSite()->GetWorkbenchWindow()->GetSelectionService()); connect(m_SelectionServiceConnector.get(), &QmitkSelectionServiceConnector::ServiceSelectionChanged, m_Controls.singleSlot, &QmitkSingleNodeSelectionWidget::SetCurrentSelection); } else { m_SelectionServiceConnector->RemovePostSelectionListener(); disconnect(m_SelectionServiceConnector.get(), &QmitkSelectionServiceConnector::ServiceSelectionChanged, m_Controls.singleSlot, &QmitkSingleNodeSelectionWidget::SetCurrentSelection); } }