TOPPASEdge.h

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// --------------------------------------------------------------------------
//                   OpenMS -- Open-Source Mass Spectrometry
// --------------------------------------------------------------------------
// Copyright The OpenMS Team -- Eberhard Karls University Tuebingen,
// ETH Zurich, and Freie Universitaet Berlin 2002-2012.
//
// This software is released under a three-clause BSD license:
//  * Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
//  * Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
//  * Neither the name of any author or any participating institution
//    may be used to endorse or promote products derived from this software
//    without specific prior written permission.
// For a full list of authors, refer to the file AUTHORS.
// --------------------------------------------------------------------------
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL ANY OF THE AUTHORS OR THE CONTRIBUTING
// INSTITUTIONS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// --------------------------------------------------------------------------
// $Maintainer: Johannes Junker $
// $Authors: Johannes Junker, Chris Bielow $
// --------------------------------------------------------------------------

#ifndef OPENMS_VISUAL_TOPPASEDGE_H
#define OPENMS_VISUAL_TOPPASEDGE_H

#include <OpenMS/config.h>

#include <QtGui/QGraphicsItem>

namespace OpenMS
{
  class TOPPASVertex;
  class TOPPASToolVertex;
  class TOPPASInputFileListVertex;


  class OPENMS_GUI_DLLAPI TOPPASEdge :
    public QObject,
    public QGraphicsItem
  {
    Q_OBJECT

public:

    enum EdgeStatus
    {
      ES_VALID,
      ES_NO_TARGET_PARAM,
      ES_NO_SOURCE_PARAM,
      ES_FILE_EXT_MISMATCH,
      ES_MERGER_EXT_MISMATCH,
      ES_MERGER_WITHOUT_TOOL,
      ES_NOT_READY_YET,       // no input files given. We cannot know if the types will match.
      ES_TOOL_API_CHANGED,
      ES_UNKNOWN
    };

    TOPPASEdge();
    TOPPASEdge(TOPPASVertex * from, const QPointF & hover_pos);
    TOPPASEdge(const TOPPASEdge & rhs);
    virtual ~TOPPASEdge();
    TOPPASEdge & operator=(const TOPPASEdge & rhs);

    QRectF boundingRect() const;
    QPainterPath shape() const;
    void paint(QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget);
    QPointF startPos() const;
    QPointF endPos() const;
    void setHoverPos(const QPointF & pos);
    void setSourceVertex(TOPPASVertex * tv);
    void setTargetVertex(TOPPASVertex * tv);
    TOPPASVertex * getSourceVertex();
    TOPPASVertex * getTargetVertex();
    void prepareResize();
    void setColor(const QColor & color);
    EdgeStatus getEdgeStatus();
    void setSourceOutParam(int out);
    int getSourceOutParam();
    void setTargetInParam(int in);
    int getTargetInParam();
    void updateColor();
    void emitChanged();
    void showIOMappingDialog();

public slots:

    void sourceHasChanged();

signals:

    void somethingHasChanged();

protected:


    void mouseDoubleClickEvent(QGraphicsSceneMouseEvent * e);
    void contextMenuEvent(QGraphicsSceneContextMenuEvent * event);


    EdgeStatus getToolToolStatus_(TOPPASToolVertex * source, int source_param_index, TOPPASToolVertex * target, int target_param_index);
    EdgeStatus getListToolStatus_(TOPPASInputFileListVertex * source, TOPPASToolVertex * target, int target_param_index);

    QPointF nearestPoint_(const QPointF & origin, const QList<QPointF> & list) const;
    TOPPASVertex * from_;
    TOPPASVertex * to_;
    QPointF hover_pos_;
    QColor color_;
    int source_out_param_;
    int target_in_param_;
  };
}

#endif