qt5base-lts/examples/itemviews/interview/model.h
Casper van Donderen e0d5221957 Move all other demos in qtbase to examples.
Change-Id: Iab0e7364d1f6b348d0e3033ea9304139f5bd6d0d
Reviewed-on: http://codereview.qt.nokia.com/617
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: David Boddie
2011-06-24 16:47:24 +02:00

91 lines
2.8 KiB
C++

/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
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**
**
**
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** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef MODEL_H
#define MODEL_H
#include <QAbstractItemModel>
#include <QFileIconProvider>
#include <QIcon>
#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;
QIcon services;
int rc, cc;
QVector<Node> *tree;
QFileIconProvider iconProvider;
};
#endif