/***************************************************************************
 *   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 LROBJECTITEMMODEL_H
#define LROBJECTITEMMODEL_H

#include "lrobjectpropitem.h"

#include <QAbstractItemModel>
#include <QObject>
#include <QVariant>

namespace LimeReport {

class ValidatorIntf {
public:
    virtual bool validate(const QString& propName, const QVariant& propValue, QObject* object,
                          QString& msg)
        = 0;
    virtual ~ValidatorIntf() { }
};

class QObjectPropertyModel: public QAbstractItemModel {
    Q_OBJECT
public:
    QObjectPropertyModel(QObject* parent = 0);
    ~QObjectPropertyModel();
    virtual void setObject(QObject* object);
    virtual void setMultiObjects(QList<QObject*>* list);
    virtual QModelIndex index(int row, int column, const QModelIndex& parent) const;
    virtual QModelIndex parent(const QModelIndex& child) const;
    virtual int columnCount(const QModelIndex& parent) const;
    virtual int rowCount(const QModelIndex& parent) const;
    virtual QVariant data(const QModelIndex& index, int role) const;
    virtual QVariant headerData(int section, Qt::Orientation orientation, int role) const;
    virtual Qt::ItemFlags flags(const QModelIndex& index) const;
    virtual bool setData(const QModelIndex& index, const QVariant& value, int role);
    void itemDataChanged(const QModelIndex& index);
    void initModel();
    const QObject* currentObject() { return m_object; }
    LimeReport::ObjectPropItem* nodeFromIndex(const QModelIndex& index) const;
    LimeReport::ObjectPropItem* rootNode() { return m_rootNode; }
    void updateProperty(const QString& propertyName);
    void setSubclassesAsLevel(bool value);
    bool subclassesAsLevel() { return m_subclassesAsLevel; }
    ValidatorIntf* validator() const;
    void setValidator(ValidatorIntf* validator);
    void translatePropertyName();
    void clearObjectsList();
    bool isTranslateProperties() const;
    void setTranslateProperties(bool isTranslateProperties);

signals:
    void objectPropetyChanged(const QString&, const QVariant&, const QVariant&);
private slots:
    void slotObjectDestroyed(QObject* obj);
    void slotPropertyChanged(const QString& propertyName, const QVariant& oldValue,
                             const QVariant& newValue);
    void slotPropertyObjectNameChanged(const QString& oldName, const QString& newName);

private:
    void addObjectProperties(const QMetaObject* metaObject, QObject* object,
                             ObjectPropItem::ObjectsList* objects, int level = 0);
    LimeReport::CreatePropItem propertyItemCreator(QMetaProperty prop);
    LimeReport::ObjectPropItem* createPropertyItem(QMetaProperty prop, QObject* object,
                                                   ObjectPropItem::ObjectsList* objects,
                                                   ObjectPropItem* parent);

private:
    LimeReport::ObjectPropItem* m_rootNode;
    QObject* m_object;
    QList<QObject*> m_objects;
    bool m_dataChanging;
    bool m_subclassesAsLevel;
    ValidatorIntf* m_validator;
    bool m_translateProperties;
};

} // namespace LimeReport
#endif // LROBJECTITEMMODEL_H