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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    EasyMercurial

    Based on HgExplorer by Jari Korhonen
    Copyright (c) 2010 Jari Korhonen
    Copyright (c) 2011 Chris Cannam
    Copyright (c) 2011 Queen Mary, University of London
    
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.  See the file
    COPYING included with this distribution for more information.
*/

#ifndef CONNECTIONITEM_H
#define CONNECTIONITEM_H

#include <QGraphicsItem>

class Connection;

class ChangesetItem;
class UncommittedItem;

class ConnectionItem : public QGraphicsItem
{
public:
    enum Type {
	Normal,
	Split,
	Merge
    };

    ConnectionItem() : m_type(Normal), m_parent(0), m_child(0) { }

    virtual QRectF boundingRect() const;
    virtual void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *);

    Type connectionType() const { return m_type; }
    void setConnectionType(Type t) { m_type = t; }

    //!!! deletion signals from parent/child?

    ChangesetItem *parent() { return m_parent; }
    ChangesetItem *child() { return m_child; }

    void setParent(ChangesetItem *p) { m_parent = p; }
    void setChild(ChangesetItem *c) { m_child = c; }
    void setChild(UncommittedItem *u) { m_uncommitted = u; }

private:
    Type m_type;
    ChangesetItem *m_parent;
    ChangesetItem *m_child;
    UncommittedItem *m_uncommitted;
};

#endif // CONNECTIONITEM_H