/***************************************************************************
 *   Copyright (c) 2010 Werner Mayer <wmayer[at]users.sourceforge.net>     *
 *                                                                         *
 *   This file is part of the FreeCAD CAx development system.              *
 *                                                                         *
 *   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., 59 Temple Place,         *
 *   Suite 330, Boston, MA  02111-1307, USA                                *
 *                                                                         *
 ***************************************************************************/


#ifndef GUI_DOCUMENTMODEL_H
#define GUI_DOCUMENTMODEL_H

#include <QAbstractItemModel>
#include <vector>


namespace App
{
class Property;
}
namespace Gui
{
class Document;
class ViewProviderDocumentObject;

class DocumentModel: public QAbstractItemModel
{
public:
    explicit DocumentModel(QObject* parent);
    ~DocumentModel() override;

    int columnCount(const QModelIndex& parent = QModelIndex()) const override;
    QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
    bool setData(const QModelIndex& idx, const QVariant& value, int role) override;
    Qt::ItemFlags flags(const QModelIndex& index) const override;
    QModelIndex index(int row, int column, const QModelIndex& parent = QModelIndex()) const override;
    QModelIndex parent(const QModelIndex& index) const override;
    int rowCount(const QModelIndex& parent = QModelIndex()) const override;
    QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
    bool setHeaderData(
        int section,
        Qt::Orientation orientation,
        const QVariant& value,
        int role = Qt::EditRole
    ) override;

private:
    void slotNewDocument(const Gui::Document&);
    void slotDeleteDocument(const Gui::Document&);
    void slotRenameDocument(const Gui::Document&);
    void slotActiveDocument(const Gui::Document&);
    void slotRelabelDocument(const Gui::Document&);
    void slotInEdit(const Gui::ViewProviderDocumentObject& v);
    void slotResetEdit(const Gui::ViewProviderDocumentObject& v);
    void slotNewObject(const Gui::ViewProviderDocumentObject& obj);
    void slotDeleteObject(const Gui::ViewProviderDocumentObject& obj);
    void slotChangeObject(const Gui::ViewProviderDocumentObject& obj, const App::Property& Prop);
    void slotRenameObject(const Gui::ViewProviderDocumentObject& obj);
    void slotActiveObject(const Gui::ViewProviderDocumentObject& obj);

    const Document* getDocument(const QModelIndex&) const;
    bool isPropertyLink(const App::Property&) const;
    std::vector<ViewProviderDocumentObject*> claimChildren(
        const Document&,
        const ViewProviderDocumentObject&
    ) const;

private:
    struct DocumentModelP* d;
};

}  // namespace Gui


#endif  // GUI_DOCUMENTMODEL_H