91 lines
2.6 KiB
C
91 lines
2.6 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.
|
||
|
|
**
|
||
|
|
** $QT_BEGIN_LICENSE:LGPL$
|
||
|
|
** 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 <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
|