defuze.me  Client
treemodel.hpp
00001 /****************************************************************************
00002  **
00003  ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
00004  ** All rights reserved.
00005  ** Contact: Nokia Corporation (qt-info@nokia.com)
00006  **
00007  ** This file is part of the examples of the Qt Toolkit.
00008  **
00009  ** $QT_BEGIN_LICENSE:BSD$
00010  ** You may use this file under the terms of the BSD license as follows:
00011  **
00012  ** "Redistribution and use in source and binary forms, with or without
00013  ** modification, are permitted provided that the following conditions are
00014  ** met:
00015  **   * Redistributions of source code must retain the above copyright
00016  **     notice, this list of conditions and the following disclaimer.
00017  **   * Redistributions in binary form must reproduce the above copyright
00018  **     notice, this list of conditions and the following disclaimer in
00019  **     the documentation and/or other materials provided with the
00020  **     distribution.
00021  **   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
00022  **     the names of its contributors may be used to endorse or promote
00023  **     products derived from this software without specific prior written
00024  **     permission.
00025  **
00026  ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
00027  ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00028  ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
00029  ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
00030  ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00031  ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
00032  ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
00033  ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
00034  ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00035  ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00036  ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
00037  ** $QT_END_LICENSE$
00038  **
00039  ****************************************************************************/
00040 
00041 #ifndef TREEMODEL_H
00042 #define TREEMODEL_H
00043 
00044 #include <QAbstractItemModel>
00045 #include <QModelIndex>
00046 #include <QVariant>
00047 
00048 class TreeItem;
00049 
00050 class TreeModel : public QAbstractItemModel
00051 {
00052     Q_OBJECT
00053 
00054 public:
00055     ~TreeModel();
00056     QVariant data(const QModelIndex &index, int role) const;
00057     Qt::ItemFlags flags(const QModelIndex &index) const;
00058     QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const;
00059     QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;
00060     QModelIndex parent(const QModelIndex &index) const;
00061     int rowCount(const QModelIndex &parent = QModelIndex()) const;
00062     int columnCount(const QModelIndex &parent = QModelIndex()) const;
00063 
00064 protected:
00065     TreeModel(QObject *parent = 0);
00066     virtual void setupModelData() = 0;
00067 
00068     TreeItem *rootItem;
00069 };
00070 
00071 #endif