Alessandro Bonazzi
8c43d5cf2f
Files correlati : cg0.exe cg0700a.msk cg0700b.msk cg3.exe cg4.exe Bug : Commento: Merge 1.0 libraries
115 lines
3.9 KiB
C++
115 lines
3.9 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef PatternistSDK_TreeItem_H
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#define PatternistSDK_TreeItem_H
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#include <QObject>
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#include "Global.h"
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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class QVariant;
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template<typename T> class QList;
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template<typename T> class QPointer;
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namespace QPatternistSDK
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{
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/**
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* @short TreeItem is a node in a hierachial structure and is used together
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* with TreeModel.
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*
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* TreeItem is abstract base class. Instances of sub-classes of TreeItem
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* can be used with TreeModel in order to use hierarchial data in Qt's
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* model/view framework.
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*
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* TreeItem is a QObject in order to be able to be used with QPointer.
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*
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* @author Frans Englich <frans.englich@nokia.com>
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* @see TreeModel
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* @ingroup PatternistSDK
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*/
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class Q_PATTERNISTSDK_EXPORT TreeItem : public QObject
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{
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Q_OBJECT
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public:
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typedef QList<QPointer<TreeItem> > List;
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virtual ~TreeItem() {}
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virtual void appendChild(TreeItem *item) = 0;
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virtual TreeItem *child(const unsigned int row) const = 0;
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virtual unsigned int childCount() const = 0;
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virtual TreeItem *parent() const = 0;
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virtual TreeItem::List children() const = 0;
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virtual int columnCount() const = 0;
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/**
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* Determines the position among the children of
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* this TreeItem's parent. This is done by introspecting the result
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* of children().
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*/
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int row() const;
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virtual QVariant data(const Qt::ItemDataRole role, int column) const = 0;
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Q_SIGNALS:
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/**
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* Emitted whenever this item changed. This is used for keeping
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* views in synchronization with the item model which houses
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* this item.
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*
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* @param item the item which changed. That is, this TreeItem.
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*/
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void changed(TreeItem *item);
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};
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}
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif
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// vim: et:ts=4:sw=4:sts=4
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