qMRMLSubjectHierarchyComboBox.h

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/*==============================================================================

  Program: 3D Slicer

  Copyright (c) Laboratory for Percutaneous Surgery (PerkLab)
  Queen's University, Kingston, ON, Canada. All Rights Reserved.

  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.

  This file was originally developed by Csaba Pinter, PerkLab, Queen's University
  and was supported through the Applied Cancer Research Unit program of Cancer Care
  Ontario with funds provided by the Ontario Ministry of Health and Long-Term Care

==============================================================================*/

#ifndef __qMRMLSubjectHierarchyComboBox_h
#define __qMRMLSubjectHierarchyComboBox_h

// CTK includes
#include <ctkComboBox.h>

// SubjectHierarchy includes
#include "qSlicerSubjectHierarchyModuleWidgetsExport.h"

#include "vtkMRMLSubjectHierarchyNode.h"

class qMRMLSubjectHierarchyComboBoxPrivate;
class qMRMLSortFilterSubjectHierarchyProxyModel;
class qMRMLSubjectHierarchyModel;
class vtkMRMLScene;

class Q_SLICER_MODULE_SUBJECTHIERARCHY_WIDGETS_EXPORT qMRMLSubjectHierarchyComboBox : public ctkComboBox
{
  Q_OBJECT

  Q_PROPERTY(bool showRootItem READ showRootItem WRITE setShowRootItem)
  Q_PROPERTY(bool highlightReferencedItems READ highlightReferencedItems WRITE setHighlightReferencedItems)
  Q_PROPERTY(int maximumNumberOfShownItems READ maximumNumberOfShownItems WRITE setMaximumNumberOfShownItems)
  Q_PROPERTY(bool alignPopupVertically READ alignPopupVertically WRITE setAlignPopupVertically)

public:
  typedef ctkComboBox Superclass;
  qMRMLSubjectHierarchyComboBox(QWidget *parent=0);
  virtual ~qMRMLSubjectHierarchyComboBox();

public:
  Q_INVOKABLE vtkMRMLScene* mrmlScene()const;
  Q_INVOKABLE vtkMRMLSubjectHierarchyNode* subjectHierarchyNode()const;

  Q_INVOKABLE void clearSelection();
  Q_INVOKABLE vtkIdType currentItem()const;
  Q_INVOKABLE vtkIdType rootItem()const;

  void setShowRootItem(bool show);
  bool showRootItem()const;

  bool highlightReferencedItems()const;
  void setHighlightReferencedItems(bool highlightOn);

  int maximumNumberOfShownItems()const;
  void setMaximumNumberOfShownItems(int maxNumberOfShownItems);

  bool alignPopupVertically()const;
  void setAlignPopupVertically(bool align);

  Q_INVOKABLE void setAttributeFilter(const QString& attributeName, const QVariant& attributeValue=QVariant());
  Q_INVOKABLE void removeAttributeFilter();

  Q_INVOKABLE void setLevelFilter(QString &levelFilter);

  Q_INVOKABLE qMRMLSortFilterSubjectHierarchyProxyModel* sortFilterProxyModel()const;
  Q_INVOKABLE qMRMLSubjectHierarchyModel* model()const;

public:
  virtual void showPopup();

public slots:
  virtual void setMRMLScene(vtkMRMLScene* scene);

  virtual void setCurrentItem(vtkIdType itemID);

  virtual void setRootItem(vtkIdType itemID);

signals:
  void currentItemChanged(vtkIdType);
  void currentItemModified(vtkIdType);

protected slots:
  void updateComboBoxTitleAndIcon(vtkIdType selectedShItemID);

protected:
  virtual void mousePressEvent(QMouseEvent* event);

protected:
  QScopedPointer<qMRMLSubjectHierarchyComboBoxPrivate> d_ptr;

private:
  Q_DECLARE_PRIVATE(qMRMLSubjectHierarchyComboBox);
  Q_DISABLE_COPY(qMRMLSubjectHierarchyComboBox);
};

#endif