/***************************************************************************
 *   This file is part of the Lime Report project                          *
 *   Copyright (C) 2021 by Alexander Arin                                  *
 *   arin_a@bk.ru                                                          *
 *                                                                         *
 **                   GNU General Public License Usage                    **
 *                                                                         *
 *   This library 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 3 of the License, or     *
 *   (at your option) any later version.                                   *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
 *                                                                         *
 **                  GNU Lesser General Public License                    **
 *                                                                         *
 *   This library 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.                       *
 *   You should have received a copy of the GNU Lesser General Public      *
 *   License along with this library.                                      *
 *   If not, see <http://www.gnu.org/licenses/>.                           *
 *                                                                         *
 *   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 General Public License for more details.                          *
 ****************************************************************************/
#ifndef LRITEMDESIGNITTF_H
#define LRITEMDESIGNITTF_H

#include "lrbasedesignintf.h"

#include <QObject>

namespace LimeReport {
class BaseDesignIntf;
class LIMEREPORT_EXPORT ItemDesignIntf: public BaseDesignIntf {
    Q_OBJECT
    Q_PROPERTY(LocationType itemLocation READ itemLocation WRITE setItemLocation)
    Q_PROPERTY(bool stretchToMaxHeight READ stretchToMaxHeight WRITE setStretchToMaxHeight)
    Q_PROPERTY(ItemAlign itemAlign READ itemAlign WRITE setItemAlign)
public:
    enum LocationType {
        Band,
        Page
    };
#if QT_VERSION >= 0x050500
    Q_ENUM(LocationType)
#else
    Q_ENUMS(LocationType)
#endif
    ItemDesignIntf(const QString& xmlTypeName, QObject* owner = 0, QGraphicsItem* parent = 0);
    LocationType itemLocation() { return m_itemLocation; }
    void setItemLocation(LocationType location);
    void setStretchToMaxHeight(bool value);
    bool stretchToMaxHeight() { return m_stretchToMaxHeight; }
    BaseDesignIntf* cloneEmpty(int height, QObject* owner, QGraphicsItem* parent);
signals:
    void itemLocationChanged(BaseDesignIntf* item, BaseDesignIntf* parent);

protected:
    QGraphicsItem* bandByPos();
    virtual void initFlags();

private:
    LocationType m_itemLocation;
    bool m_stretchToMaxHeight;
};

class Spacer: public ItemDesignIntf {
public:
    Spacer(QObject* owner, QGraphicsItem* parent);
    bool isEmpty() const { return true; }

protected:
    BaseDesignIntf* createSameTypeItem(QObject* owner, QGraphicsItem* parent)
    {
        return new Spacer(owner, parent);
    }
};

class LIMEREPORT_EXPORT ContentItemDesignIntf: public ItemDesignIntf {
    Q_OBJECT
public:
    ContentItemDesignIntf(const QString& xmlTypeName, QObject* owner = 0,
                          QGraphicsItem* parent = 0):
        ItemDesignIntf(xmlTypeName, owner, parent),
        m_contentBackedUp(false)
    {
    }
    virtual QString content() const = 0;
    virtual void setContent(const QString& value) = 0;
    QMap<QString, QString> getStringForTranslation();
    void backupContent()
    {
        m_contentBackUp = content();
        m_contentBackedUp = true;
    }
    void restoreContent() { setContent(m_contentBackUp); }
    bool isContentBackedUp() const;
    void setContentBackedUp(bool contentBackedUp);

private:
    QString m_contentBackUp;
    bool m_contentBackedUp;
};

class LayoutDesignIntf: public ItemDesignIntf {
public:
    LayoutDesignIntf(const QString& xmlTypeName, QObject* owner = 0, QGraphicsItem* parent = 0):
        ItemDesignIntf(xmlTypeName, owner, parent)
    {
    }
    virtual void addChild(BaseDesignIntf* item, bool updateSize = true) = 0;
    virtual void removeChild(BaseDesignIntf* item) = 0;
    virtual void restoreChild(BaseDesignIntf* item) = 0;
    virtual int childrenCount() = 0;
    friend class BaseDesignIntf;
};

} // namespace LimeReport
#endif // LRITEMDESIGNITTF_H