qMRMLSortFilterSubjectHierarchyProxyModel.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 __qMRMLSortFilterSubjectHierarchyProxyModel_h
#define __qMRMLSortFilterSubjectHierarchyProxyModel_h

// SubjectHierarchy includes
#include "qSlicerSubjectHierarchyModuleWidgetsExport.h"

// Qt includes
#include <QSortFilterProxyModel>

// CTK includes
#include <ctkVTKObject.h>
#include <ctkPimpl.h>

class qMRMLSortFilterSubjectHierarchyProxyModelPrivate;
class vtkMRMLSubjectHierarchyNode;
class vtkMRMLScene;
class QStandardItem;

class Q_SLICER_MODULE_SUBJECTHIERARCHY_WIDGETS_EXPORT qMRMLSortFilterSubjectHierarchyProxyModel : public QSortFilterProxyModel
{
  Q_OBJECT
  QVTK_OBJECT

  Q_PROPERTY(QString nameFilter READ nameFilter WRITE setNameFilter)
  Q_PROPERTY(QString attributeNameFilter READ attributeNameFilter WRITE setAttributeNameFilter)
  Q_PROPERTY(QString attributeValueFilter READ attributeValueFilter WRITE setAttributeValueFilter)
  Q_PROPERTY(vtkIdType hideItemsUnaffiliatedWithItemID READ hideItemsUnaffiliatedWithItemID WRITE setHideItemsUnaffiliatedWithItemID)
  Q_PROPERTY(QString levelFilter READ levelFilter WRITE setLevelFilter)

public:
  typedef QSortFilterProxyModel Superclass;
  qMRMLSortFilterSubjectHierarchyProxyModel(QObject *parent=0);
  virtual ~qMRMLSortFilterSubjectHierarchyProxyModel();

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

  QString nameFilter()const;
  QString attributeNameFilter()const;
  QString attributeValueFilter()const;
  QString levelFilter()const;

  vtkIdType hideItemsUnaffiliatedWithItemID();
  void setHideItemsUnaffiliatedWithItemID(vtkIdType itemID);

  Q_INVOKABLE QModelIndex subjectHierarchySceneIndex()const;

  Q_INVOKABLE vtkIdType subjectHierarchyItemFromIndex(const QModelIndex& index)const;

  Q_INVOKABLE QModelIndex indexFromSubjectHierarchyItem(vtkIdType itemID, int column=0)const;

  Q_INVOKABLE int acceptedItemCount(vtkIdType rootItemID)const;

  virtual bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent)const;

  virtual bool filterAcceptsItem(vtkIdType itemID, bool canAcceptIfAnyChildIsAccepted=true)const;

  virtual Qt::ItemFlags flags(const QModelIndex & index)const;

public slots:
  void setNameFilter(QString filter);
  void setAttributeNameFilter(QString filter);
  void setAttributeValueFilter(QString filter);
  void setLevelFilter(QString filter);

protected:

  QStandardItem* sourceItem(const QModelIndex& index)const;

protected:
  QScopedPointer<qMRMLSortFilterSubjectHierarchyProxyModelPrivate> d_ptr;

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

#endif