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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the examples 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.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef DIAGRAMITEM_H
#define DIAGRAMITEM_H
#include <QGraphicsPixmapItem>
#include <QList>
QT_BEGIN_NAMESPACE
class QPixmap;
class QGraphicsItem;
class QGraphicsScene;
class QTextEdit;
class QGraphicsSceneMouseEvent;
class QMenu;
class QGraphicsSceneContextMenuEvent;
class QPainter;
class QStyleOptionGraphicsItem;
class QWidget;
class QPolygonF;
QT_END_NAMESPACE
class Arrow;
//! [0]
class DiagramItem : public QGraphicsPolygonItem
{
public:
enum { Type = UserType + 15 };
enum DiagramType { Step, Conditional, StartEnd, Io };
DiagramItem(DiagramType diagramType, QMenu *contextMenu,
QGraphicsItem *parent = 0, QGraphicsScene *scene = 0);
void removeArrow(Arrow *arrow);
void removeArrows();
DiagramType diagramType() const
{ return myDiagramType; }
QPolygonF polygon() const
{ return myPolygon; }
void addArrow(Arrow *arrow);
QPixmap image() const;
int type() const
{ return Type;}
protected:
void contextMenuEvent(QGraphicsSceneContextMenuEvent *event);
QVariant itemChange(GraphicsItemChange change, const QVariant &value);
private:
DiagramType myDiagramType;
QPolygonF myPolygon;
QMenu *myContextMenu;
QList<Arrow *> arrows;
};
//! [0]
#endif
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