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Diffstat (limited to 'tests/auto/xmlpatternsxqts/lib/TreeItem.h')
| -rw-r--r-- | tests/auto/xmlpatternsxqts/lib/TreeItem.h | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/tests/auto/xmlpatternsxqts/lib/TreeItem.h b/tests/auto/xmlpatternsxqts/lib/TreeItem.h new file mode 100644 index 0000000..318c123 --- /dev/null +++ b/tests/auto/xmlpatternsxqts/lib/TreeItem.h @@ -0,0 +1,155 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the test suite 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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, 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. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the Patternist project on Trolltech Labs. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, 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. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +*************************************************************************** +*/ + +#ifndef PatternistSDK_TreeItem_H +#define PatternistSDK_TreeItem_H + +#include <QObject> + +#include "Global.h" + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +class QVariant; +template<typename T> class QList; +template<typename T> class QPointer; + +namespace QPatternistSDK +{ + /** + * @short TreeItem is a node in a hierachial structure and is used together + * with TreeModel. + * + * TreeItem is abstract base class. Instances of sub-classes of TreeItem + * can be used with TreeModel in order to use hierarchial data in Qt's + * model/view framework. + * + * TreeItem is a QObject in order to be able to be used with QPointer. + * + * @author Frans Englich <fenglich@trolltech.com> + * @see TreeModel + * @ingroup PatternistSDK + */ + class Q_PATTERNISTSDK_EXPORT TreeItem : public QObject + { + Q_OBJECT + public: + typedef QList<QPointer<TreeItem> > List; + + virtual ~TreeItem() {} + virtual void appendChild(TreeItem *item) = 0; + virtual TreeItem *child(const unsigned int row) const = 0; + virtual unsigned int childCount() const = 0; + virtual TreeItem *parent() const = 0; + + virtual TreeItem::List children() const = 0; + virtual int columnCount() const = 0; + + /** + * Determines the position among the children of + * this TreeItem's parent. This is done by introspecting the result + * of children(). + */ + int row() const; + + virtual QVariant data(const Qt::ItemDataRole role, int column) const = 0; + + Q_SIGNALS: + /** + * Emitted whenever this item changed. This is used for keeping + * views in synchronization with the item model which houses + * this item. + * + * @param item the item which changed. That is, this TreeItem. + */ + void changed(TreeItem *item); + }; +} + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif +// vim: et:ts=4:sw=4:sts=4 |