ctkDICOMModel.h

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

  Library:   CTK
 
  Copyright (c) 2010  Kitware Inc.

  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

      http://www.commontk.org/LICENSE

  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 __ctkDICOMModel_h
#define __ctkDICOMModel_h

// Qt includes 
#include <QAbstractItemModel>
#include <QSqlDatabase>

// CTK includes
#include <ctkPimpl.h>

#include "CTKDICOMCoreExport.h"

class ctkDICOMModelPrivate;
class CTK_DICOM_CORE_EXPORT ctkDICOMModel : public QAbstractItemModel
{
  Q_OBJECT
public:
  explicit ctkDICOMModel(QObject* parent = 0);
  virtual ~ctkDICOMModel();

  void setDatabase(const QSqlDatabase& dataBase);

  virtual bool canFetchMore ( const QModelIndex & parent ) const;
  virtual int columnCount ( const QModelIndex & parent = QModelIndex() ) const;
  virtual QVariant data ( const QModelIndex & index, int role = Qt::DisplayRole ) const;
  virtual void fetchMore ( const QModelIndex & parent );
  virtual Qt::ItemFlags flags ( const QModelIndex & index ) const;
  // can return true even if rowCount returns 0, you should use canFetchMore/fetchMore to populate
  // the children.
  virtual bool hasChildren ( const QModelIndex & parent = QModelIndex() ) const;
  virtual QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole)const;
  virtual QModelIndex index ( int row, int column, const QModelIndex & parent = QModelIndex() ) const;
  virtual QModelIndex parent ( const QModelIndex & index ) const;
  virtual int rowCount ( const QModelIndex & parent = QModelIndex() ) const;
  virtual bool setHeaderData ( int section, Qt::Orientation orientation, const QVariant & value, int role = Qt::EditRole );
  // Sorting resets the model because fetched/unfetched items could disappear/appear respectively.
  virtual void sort(int column, Qt::SortOrder order = Qt::AscendingOrder);

private:
  CTK_DECLARE_PRIVATE(ctkDICOMModel);
};

#endif