AddConnectionHandAction.h

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/*
    This file is part of Rocs.
    Copyright 2008  Tomaz Canabrava <tomaz.canabrava@gmail.com>
    Copyright 2008  Ugo Sangiori <ugorox@gmail.com>

    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.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef ADDCONNECTIONHANDACTION_H
#define ADDCONNECTIONHANDACTION_H

#include "VisualEditorExport.h"
#include "AbstractAction.h"
#include <QObject>
#include <QPointF>
#include "CoreTypes.h"

class QGraphicsLineItem;
class DataItem;
class Data;
class DataStructure;
class AddConnectionHandAction : public AbstractAction
{
    Q_OBJECT
public:
    explicit AddConnectionHandAction(GraphScene *scene, QObject *parent = 0);

    explicit AddConnectionHandAction(GraphScene *scene, PointerTypePtr dataType, QObject *parent = 0);

    ~AddConnectionHandAction();

public slots:
    bool executePress(QPointF pos);
    bool executeMove(QPointF pos);

    bool executeRelease(QPointF pos);

private:
    DataItem *_from;

    DataItem *_to;

    QGraphicsLineItem *_tmpLine;

    QPointF _startPos;

    bool _working;

signals:
    void addConnection(Data *from, Data *to);

private:
    PointerTypePtr _pointerType;
};

#endif // ADDCONNECTIONHANDACTION_H