creator/plugins/kparts/codeeditorpart/Core/edge.h

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/***************************************************************************
 * main.cpp
 * This file is part of the KDE project
 * copyright (C)2004-2007 by Tomaz Canabrava (tomaz.canabrava@gmail.com)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library 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
 * Library General Public License for more details.
 * You should have received a copy of the GNU Library General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 ***************************************************************************/

#ifndef EDGE_H
#define EDGE_H

#include <QObject>
#include <QtScript>
#include <QString>
#include <QGraphicsSvgItem>

#include "rocslib_export.h"

class Node;
class Graph;
class ROCSLIB_EXPORT Edge : public QObject
{
        Q_OBJECT

        Q_PROPERTY( QString color READ color WRITE setColor )

        
        Q_PROPERTY( QString value READ value WRITE setValue )

        Q_PROPERTY( QString name READ name WRITE setName )

        Q_PROPERTY( double width READ width WRITE setWidth )

        Q_PROPERTY( QString style READ style WRITE setStyle )

    public:
        Edge( Graph* parent, Node* from, Node* to, QGraphicsSvgItem* cFrom, QGraphicsSvgItem* cTo );

        ~Edge();

        int relativeIndex() const
        {
            return _relativeIndex;
        }

        void remove();

        Graph* graph()
        {
            return _graph;
        }
#ifdef USING_QTSCRIPT

        QScriptValue scriptValue() const;

        void setEngine( QScriptEngine* engine );
#endif

    public  slots:
        Node* from() const
        {
            return _from;
        }

        Node* to() const
        {
            return _to;
        }

        QGraphicsSvgItem* connectorFrom() const
        {
            return _cFrom;
        }

        QGraphicsSvgItem* connectorTo() const
        {
            return _cTo;
        }

        const QString& value() const
        {
            return _value;
        }

        void setValue( const QString& s )
        {
            _value = s;
            emit changed();
        }

        const QString& name() const
        {
            return _name;
        }

        void setName( const QString& s )
        {
            _name = s;
            emit changed();
        }

        const QString color() const
        {
            return _color;
        }

        void setColor( const QString& s )
        {
            _color = s;
            emit changed();
        }

        qreal width() const
        {
            return _width;
        }
        void setWidth( double w )
        {
            _width = w;
            emit changed();
        }

        const QString& style() const
        {
            return _style;
        }
        void setStyle( const QString& s )
        {
            _style = s;
            emit changed();
        }

        void addDynamicProperty( QString Property, QVariant value );

        void removeDynamicProperty( QString property );

        bool showName();
        bool showValue();
        void hideName( bool b );
        void hideValue( bool b );
        QString fromConnector();
        QString toConnector();
        QString toNode();
        QString fromNode();

    private:
        Node* _from;

        Node* _to;

        QGraphicsSvgItem* _cFrom;

        QGraphicsSvgItem* _cTo;

        int _relativeIndex;

        QString _value;

        QString _name;

        QString _color;

        bool _showName;
        bool _showValue;

        QString _style;
        double _width;

        Graph* _graph;

    signals:
        void removed();
        void changed();
};

typedef QList<Edge*> EdgeList;
#endif

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