NodeProperty.h

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/*  Copyright (C) 2011 Jonathan Wuest

    This file is part of Tuchulcha.

    Tuchulcha is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    Tuchulcha 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 Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with Tuchulcha.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef NODEPROPERTY_H_
#define NODEPROPERTY_H_

#include <QGraphicsItem>
#include <QList>

class ConnectionLine;
class Node;
class ParameterFileModel;

class NodeProperty : public QGraphicsItem {
public:

    NodeProperty(
            Node* parentNode, QString name,
            int propNr, bool input,
            const ParameterFileModel* pFile);

    NodeProperty(
            Node* parentNode, QString name,QString displayname,
            int propNr, bool input,
            const ParameterFileModel* pFile);

    virtual QRectF boundingRect() const;

    void moveBy(qreal dx,qreal dy);

    void addConnection(ConnectionLine *cl);

    bool isInput() const;

    QString getFullName() const;

    QString getType() const;

    bool canConnect(NodeProperty* prop);

    QPointF getSocketCenter() const;

    void paint(
            QPainter* painter,
            const QStyleOptionGraphicsItem* option,
            QWidget* widget = 0);

    void changeConnectionLineColor(QColor lineColor, bool isHover=true);

    void setColor(QColor socketColor);

protected:
    virtual void hoverEnterEvent(QGraphicsSceneHoverEvent* event);

    virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent* event);

private:
    unsigned int _propNr;

    QString _name;

    QString _displayname;

    QList<ConnectionLine *> _connectionList;

    bool _isInput;

    Node* _node;

    const ParameterFileModel* _pFile;

    QRectF _getSocketRect() const;

    static QColor _getSocketColor(QString typeName);

    QColor _color;
};

#endif /* NODEPROPERTY_H_ */