/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
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** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
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** GNU Lesser General Public License Usage
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** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
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****************************************************************************/

#include "quick3dentity_p.h"
#include <Qt3DCore/qcomponent.h>

QT_BEGIN_NAMESPACE

namespace Qt3DCore {
namespace Quick {

/*!
    \qmltype Entity
    \inherits Node
    \inqmlmodule Qt3D.Core
    \since 5.5
*/

Quick3DEntity::Quick3DEntity(QObject *parent)
    : QObject(parent)
{
}

/*!
    \qmlproperty list<Component3D> Qt3DCore::Entity::components
    \readonly
*/
QQmlListProperty<QComponent> Quick3DEntity::componentList()
{
    return QQmlListProperty<Qt3DCore::QComponent>(this, 0,
                                             Quick3DEntity::qmlAppendComponent,
                                             Quick3DEntity::qmlComponentsCount,
                                             Quick3DEntity::qmlComponentAt,
                                             Quick3DEntity::qmlClearComponents);
}

void Quick3DEntity::qmlAppendComponent(QQmlListProperty<QComponent> *list, QComponent *comp)
{
    if (comp == Q_NULLPTR)
        return;
    Quick3DEntity *self = static_cast<Quick3DEntity *>(list->object);
    self->parentEntity()->addComponent(comp);
}

QComponent *Quick3DEntity::qmlComponentAt(QQmlListProperty<QComponent> *list, int index)
{
    Quick3DEntity *self = static_cast<Quick3DEntity *>(list->object);
    return self->parentEntity()->components().at(index);
}

int Quick3DEntity::qmlComponentsCount(QQmlListProperty<QComponent> *list)
{
    Quick3DEntity *self = static_cast<Quick3DEntity *>(list->object);
    return self->parentEntity()->components().count();
}

void Quick3DEntity::qmlClearComponents(QQmlListProperty<QComponent> *list)
{
    Quick3DEntity *self = static_cast<Quick3DEntity *>(list->object);
    QComponentList components = self->parentEntity()->components();
    Q_FOREACH (QComponent *comp, components) {
        self->parentEntity()->removeComponent(comp);
    }
}

} // namespace Quick
} // namespace Qt3DCore

QT_END_NAMESPACE
