MP7Doc.hpp

Go to the documentation of this file.

 /***********************************************************************
 *                                                                      *
 * MuViNo - ViTooKi Video Annotation Tool                               *
 *                                                                      *
 * title:   MP7Doc.hpp                                              *
 *                                                                      *
 * $Id: MP7Doc_8hpp-source.html,v 1.1 2004/09/27 07:24:51 mtaschwer Exp $
 *                                                                      *
 * ITEC institute of the University of Klagenfurt (Austria)             *
 * http://www.itec.uni-klu.ac.at                                        *
 *                                                                      *
 *                                                                      *
 * For more information visit the ViTooKi homepage:                     *
 * http://ViTooKi.sourceforge.net                                       *
 * vitooki-user@lists.sourceforge.net                                   *
 * vitooki-devel@lists.sourceforge.net                                  *
 *                                                                      *
 * This file is part of ViTooKi, a free video toolkit.                  *
 * ViTooKi is free software; you can redistribute it and/or             *
 * modify it under the terms of the GNU General Public License          *
 * as published by the Free Software Foundation; either version 2       *
 * of the License, or (at your option) any later version.               *
 *                                                                      *
 * This program is distributed in the hope that it will be useful,      *
 * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the         *
 * GNU General Public License for more details.                         *
 *                                                                      *
 * You should have received a copy of the GNU General Public License    *
 * along with this program; if not, write to the Free Software          *
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,               *
 * MA  02111-1307, USA.                                                 *
 *                                                                      *
 ***********************************************************************/

#ifndef _MP7DOC_HPP_
#define _MP7DOC_HPP_

#include <qdom.h>
#include <qobject.h>
#include <qptrdict.h>
#include <qptrlist.h>

class QListView;
class QListViewItem;
class QString;
class MP7ListViewItem;

class MP7Doc : public QObject
{
  Q_OBJECT

public:
  MP7Doc(QListView *listView);

  /* Destructor.
   * Deletes all QListViewItem objects corresponding to this
   * MPEG-7 document.
   */
  ~MP7Doc();

  bool parse(const QString &filename);

  bool save(const QString &filename);

  QString filePath() const;

  QString dirPath() const;

  bool isModified() const;

  MP7ListViewItem *addElement(MP7ListViewItem *parent, MP7ListViewItem *after,
                  const QString &name);
  
  MP7ListViewItem *addElement(MP7ListViewItem *parent, const QString &name, int pos = -1);
  
  int setElementValue(MP7ListViewItem *item, const QString &value);

  bool setAttribute(MP7ListViewItem *item, const QString &attribute,
            const QString &value);

  bool moveElement(MP7ListViewItem *item, MP7ListViewItem *newParent,
           MP7ListViewItem *newSibling = NULL);

  bool removeElementDeep(MP7ListViewItem *item);

  int removeChildrenDeep(MP7ListViewItem *parent,
             const QString &name = QString::null);
  
  MP7ListViewItem *nodeByPath(const QString &path, MP7ListViewItem *root = NULL,
                  bool create = false);

  QPtrList<MP7ListViewItem> children(MP7ListViewItem *parent,
                     const QString &name = QString::null) const;

  MP7ListViewItem *nearestElement(MP7ListViewItem *start, const QString &name,
                  bool searchUp) const;

  MP7ListViewItem *nearestElement(MP7ListViewItem *start, const QStringList &names,
                  bool searchUp) const;

signals:
  void modificationChanged(bool m);

protected:
  void updateTreeWidget();

  void setModified(bool modified);

private:
  void updateTreeWidget(QDomElement &elem, MP7ListViewItem *item);

  MP7ListViewItem *searchBreadthFirst(QPtrList<MP7ListViewItem> &nodes,
                      QStringList &names) const;

  QDomDocument doc;

  struct docMeta {
    QString filepath;
    bool modified;
  } docMeta;

  QListView *listView;

  static const QString emptyMP7Doc;

  static bool isElementOf(const QString &string, QStringList &list);

};

#endif /* _MP7DOC_HPP_ */

---