/****************************************************************************
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 ** Copyright (C) 2007-2007 Trolltech ASA. All rights reserved.
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 ** This file is part of the example classes of the Qt Toolkit.
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 ** License version 2.0 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 GNU
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 ** review the following information:
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 ** or contact the sales department at sales@trolltech.com.
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 ** additional rights. These rights are described in the Trolltech GPL
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 ** In addition, as a special exception, Trolltech, as the sole copyright
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 ** plug-in the right for the Qt/Eclipse Integration to link to
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 ** Trolltech ASA (c) 2007
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 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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 ****************************************************************************/
 
 #ifndef DIAGRAMITEM_H
 #define DIAGRAMITEM_H
 
 #include <QGraphicsPixmapItem>
 #include <QList>
 
 class QPixmap;
 class QGraphicsItem;
 class QGraphicsScene;
 class QTextEdit;
 class QGraphicsSceneMouseEvent;
 class QMenu;
 class QGraphicsSceneContextMenuEvent;
 class QPainter;
 class QStyleOptionGraphicsItem;
 class QWidget;
 class QPolygonF;
 class Arrow;
 
 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;
 };
 
 #endif