#ifndef ELAGRAPHICSSCENEPRIVATE_H
#define ELAGRAPHICSSCENEPRIVATE_H

#include <QMap>
#include <QObject>
#include <QPointF>

#include "ElaGraphicsScene.h"
#include "ElaProperty.h"
class ElaGraphicsItem;
class ElaGraphicsLineItem;
class ElaGraphicsScenePrivate : public QObject {
    Q_OBJECT
    Q_D_CREATE(ElaGraphicsScene)
    Q_PROPERTY_CREATE_D(bool, IsCheckLinkPort)
    Q_PROPERTY_CREATE_D(QString, SerializePath)
public:
    explicit ElaGraphicsScenePrivate(QObject *parent = nullptr);
    ~ElaGraphicsScenePrivate();

    friend QDataStream &operator<<(QDataStream &stream, const ElaGraphicsScenePrivate *data);
    friend QDataStream &operator>>(QDataStream &stream, ElaGraphicsScenePrivate *data);

private:
    bool                             _isLeftButtonPress{false};
    QMap<QString, ElaGraphicsItem *> _items; // 存储所有item
    ElaGraphicsSceneType::SceneMode  _sceneMode;
    QList<QVariantMap>               _itemsLink; // item连接状态
    QList<ElaGraphicsLineItem *>     _lineItemsList;
    ElaGraphicsLineItem             *_linkLineItem{nullptr};
    qreal                            _currentZ{1};
    QPointF                          _lastPos;
    QPointF                          _lastLeftPressPos;
    QList<ElaGraphicsItem *>         _serializeItem(int count);
    void                             _removeLinkLineItem();
    void                             _deserializeLink();
};

#endif // ELAGRAPHICSSCENEPRIVATE_H