qSlicerGenericIOOptionsWidget.h

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/*==============================================================================
 
  Program: 3D Slicer
 
  Copyright (c) Kitware Inc.
 
  See COPYRIGHT.txt
  or http://www.slicer.org/copyright/copyright.txt for details.
 
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
 
==============================================================================*/
 
#ifndef __qSlicerGenericIOOptionsWidget_h
#define __qSlicerGenericIOOptionsWidget_h
 
// QtGUI includes
#include "qSlicerBaseQTGUIExport.h"
#include "qSlicerFileWriterOptionsWidget.h"
 
// Slicer includes
#include <vtkMRMLFileIOHandler.h>
 
// VTK includes
#include <vtkSmartPointer.h>
 
class qSlicerGenericIOOptionsWidgetPrivate;

class Q_SLICER_BASE_QTGUI_EXPORT qSlicerGenericIOOptionsWidget : public qSlicerFileWriterOptionsWidget
{
  Q_OBJECT
public:
  typedef qSlicerFileWriterOptionsWidget Superclass;
  explicit qSlicerGenericIOOptionsWidget(QWidget* parent = nullptr);
  qSlicerGenericIOOptionsWidget(vtkMRMLFileIOHandler* ioHandler, QWidget* parent = nullptr);
  ~qSlicerGenericIOOptionsWidget() override;

  Q_INVOKABLE void setIOHandler(vtkMRMLFileIOHandler* ioHandler);
  Q_INVOKABLE vtkMRMLFileIOHandler* ioHandler() const;

  void updateGUI(const qSlicerIO::IOProperties& ioProperties) override;

  static vtkMRMLFileIOHandler* findIOHandler(const char* className);

  template <class T>
  static vtkSmartPointer<vtkMRMLFileIOHandler> findOrCreateIOHandler()
  {
    vtkSmartPointer<vtkMRMLFileIOHandler> newHandler = vtkSmartPointer<T>::New();
    vtkMRMLFileIOHandler* registeredHandler = qSlicerGenericIOOptionsWidget::findIOHandler(newHandler->GetClassName());
    if (registeredHandler)
    {
      return registeredHandler;
    }
    qSlicerGenericIOOptionsWidget::initializeUnregisteredIOHandler(newHandler);
    return newHandler;
  }
 
public slots:
  void setFileName(const QString& fileName) override;
  void setFileNames(const QStringList& fileNames) override;
  void setObject(vtkObject* object) override;
  void setMRMLScene(vtkMRMLScene* scene) override;
 
protected slots:
  void onOptionChanged();

  void onApplicationAboutToQuit();
 
protected:
  void updateOptions();

  static void initializeUnregisteredIOHandler(vtkMRMLFileIOHandler* handler);
 
private:
  Q_DECLARE_PRIVATE_D(qGetPtrHelper(qSlicerIOOptions::d_ptr), qSlicerGenericIOOptionsWidget);
  Q_DISABLE_COPY(qSlicerGenericIOOptionsWidget);
};
 
#endif