/*
  EventModelAdapter.h

  This file is part of Charm, a task-based time tracking application.

  Copyright (C) 2007-2018 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com

  Author: Mirko Boehm <mirko.boehm@kdab.com>
  Author: Frank Osterfeld <frank.osterfeld@kdab.com>

  This program 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 2 of the License, or
  (at your option) any later version.

  This program 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.

  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef EVENTMODELADAPTER_H
#define EVENTMODELADAPTER_H

#include <QAbstractItemModel>
#include <QPointer>

#include "Core/Event.h"
#include "Core/EventModelInterface.h"
#include "Core/CharmDataModelAdapterInterface.h"
#include "Core/CommandEmitterInterface.h"

class CharmDataModel;

class EventModelAdapter : public QAbstractListModel, public CharmDataModelAdapterInterface,
    public CommandEmitterInterface, public EventModelInterface
{
    Q_OBJECT

public:
    explicit EventModelAdapter(CharmDataModel *parent);
    ~EventModelAdapter() override;

    int rowCount(const QModelIndex &parent = QModelIndex()) const override;

    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;

    // reimplement CharmDataModelAdapterInterface:
    void resetTasks() override
    {
    }

    void taskAboutToBeAdded(TaskId, int) override
    {
    }

    void taskAdded(TaskId) override
    {
    }

    void taskModified(TaskId) override
    {
    }

    void taskParentChanged(TaskId, TaskId, TaskId) override
    {
    }

    void taskAboutToBeDeleted(TaskId) override
    {
    }

    void taskDeleted(TaskId) override
    {
    }

    void resetEvents() override;
    void eventAboutToBeAdded(EventId id) override;
    void eventAdded(EventId id) override;
    void eventModified(EventId id, Event) override;
    void eventAboutToBeDeleted(EventId id) override;
    void eventDeleted(EventId id) override;

    void eventActivated(EventId id) override;
    void eventDeactivated(EventId id) override;

    // reimplement EventModelInterface:
    const Event &eventForIndex(const QModelIndex &index) const override;
    QModelIndex indexForEvent(const Event &) const override;

    // reimplement CommandEmitterInterface:
    void commitCommand(CharmCommand *) override;

Q_SIGNALS:
    void eventActivationNotice(EventId id);
    void eventDeactivationNotice(EventId id);

private:
    // if this is slow, we may want to store pointers here:
    EventIdList m_events;
    QPointer<CharmDataModel> m_dataModel;
};

#endif
