F:/KPlato/koffice/libs/flake/KoShapeContainer.h

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/* This file is part of the KDE project
 * Copyright (C) 2006 Thomas Zander <zander@kde.org>
 *
 * This library 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 library 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 library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#ifndef KOGRAPHICBASECONTAINER_H
#define KOGRAPHICBASECONTAINER_H

#include "KoShape.h"
#include "KoViewConverter.h"

#include <QList>

#include <koffice_export.h>

class QPainter;
class QPointF;

class FLAKE_EXPORT KoShapeContainerModel {
public:
    KoShapeContainerModel() {} ;

    virtual ~KoShapeContainerModel() {} ;

    virtual void add(KoShape *child) = 0;

    virtual void remove(KoShape *child) = 0;

    virtual void setClipping(const KoShape *child, bool clipping) = 0;

    virtual bool childClipped(const KoShape *child) const = 0;

    virtual int count() const = 0;

    virtual QList<KoShape*> iterator() const = 0;

    virtual void containerChanged(KoShapeContainer *container) = 0;
};

class FLAKE_EXPORT KoShapeContainer : public KoShape {

public:

    KoShapeContainer();

    KoShapeContainer(KoShapeContainerModel *model);

    virtual ~KoShapeContainer();

    void addChild(KoShape *object);

    void removeChild(KoShape *object);

    int childCount() const;

    void setClipping(const KoShape *child, bool clipping);

    bool childClipped(const KoShape *child) const;

    void paint(QPainter &painter, const KoViewConverter &converter);

    virtual void paintComponent(QPainter &painter, const KoViewConverter &converter) = 0;

    void repaint() const;

    QList<KoShape*> iterator() const;

protected:
    virtual void childCountChanged() { }

private:
    class ChildrenData : public KoShapeContainerModel {
        public:
            ChildrenData();
            ~ChildrenData();
            void add(KoShape *child);
            void setClipping(const KoShape *child, bool clipping);
            bool childClipped(const KoShape *child) const;
            void remove(KoShape *child);
            int count() const;
            QList<KoShape*> iterator() const;
            void containerChanged(KoShapeContainer *container);

        private:
            class Relation {
                public:
                    Relation(KoShape *child);
                    KoShape* child() { return m_child; }
                    bool m_inside; 
                private:
                    KoShape *m_child;
            };

            Relation* findRelation(const KoShape *child) const;

        private: // members
            QList <Relation *> m_relations;
    };
    void shapeChanged(ChangeType type);

private: // members
    KoShapeContainerModel *m_children;
};

#endif

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