qMRMLSceneHierarchyModel.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.

  This file was originally developed by Julien Finet, Kitware Inc.
  and was partially funded by NIH grant 3P41RR013218-12S1

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

#ifndef __qMRMLSceneHierarchyModel_h
#define __qMRMLSceneHierarchyModel_h

// MRMLWidgets includes
#include "qMRMLSceneModel.h"
class qMRMLSceneHierarchyModelPrivate;

class QMRML_WIDGETS_EXPORT qMRMLSceneHierarchyModel : public qMRMLSceneModel
{
  Q_OBJECT
  Q_PROPERTY (int expandColumn READ expandColumn WRITE setExpandColumn)

public:
  typedef qMRMLSceneModel Superclass;
  qMRMLSceneHierarchyModel(QObject *parent=0);
  virtual ~qMRMLSceneHierarchyModel();

  int expandColumn()const;
  void setExpandColumn(int column);

  virtual Qt::DropActions supportedDropActions()const;

  virtual vtkMRMLNode* parentNode(vtkMRMLNode* node)const;
  virtual int          nodeIndex(vtkMRMLNode* node)const;
  virtual bool         canBeAChild(vtkMRMLNode* node)const;
  virtual bool         canBeAParent(vtkMRMLNode* node)const;
  virtual bool         reparent(vtkMRMLNode* node, vtkMRMLNode* newParent);

protected:
  qMRMLSceneHierarchyModel(qMRMLSceneHierarchyModelPrivate* pimpl,
                           QObject *parent=0);
  virtual QFlags<Qt::ItemFlag> nodeFlags(vtkMRMLNode* node, int column)const;

  virtual void observeNode(vtkMRMLNode* node);

  void updateItemDataFromNode(QStandardItem* item, vtkMRMLNode* node, int column);

  void updateNodeFromItemData(vtkMRMLNode* node, QStandardItem* item);

  virtual int maxColumnId()const;

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

#endif