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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.1, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef MODEL_H
#define MODEL_H
#include <QAbstractItemModel>
#include <QFileIconProvider>
#include <QVector>
class Model : public QAbstractItemModel
{
Q_OBJECT
public:
Model(int rows, int columns, QObject *parent = 0);
~Model();
QModelIndex index(int row, int column, const QModelIndex &parent) const;
QModelIndex parent(const QModelIndex &child) const;
int rowCount(const QModelIndex &parent) const;
int columnCount(const QModelIndex &parent) const;
QVariant data(const QModelIndex &index, int role) const;
QVariant headerData(int section, Qt::Orientation orientation, int role) const;
bool hasChildren(const QModelIndex &parent) const;
Qt::ItemFlags flags(const QModelIndex &index) const;
private:
struct Node
{
Node(Node *parent = 0) : parent(parent), children(0) {}
~Node() { delete children; }
Node *parent;
QVector<Node> *children;
};
Node *node(int row, Node *parent) const;
Node *parent(Node *child) const;
int row(Node *node) const;
int rc, cc;
QVector<Node> *tree;
QFileIconProvider iconProvider;
};
#endif
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