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/****************************************************************************
**
** 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.
**
** $QT_BEGIN_LICENSE:LGPL3$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** 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
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** 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
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "quick3dnode.h"
#include <QDebug>
QT_BEGIN_NAMESPACE
namespace Qt3D {
namespace Quick {
/*!
\qmltype Node
\inqmlmodule Qt3D
\since 5.5
\brief A base QML type that other types inherit. It cannot be directly
created.
*/
Quick3DNode::Quick3DNode(QObject *parent)
: QObject(parent)
{
}
/*!
\qmlproperty list<QtQml::QtObject> Qt3D::Node::data
\default
*/
QQmlListProperty<QObject> Quick3DNode::data()
{
return QQmlListProperty<QObject>(this, 0,
Quick3DNode::appendData,
Quick3DNode::dataCount,
Quick3DNode::dataAt,
Quick3DNode::clearData);
}
/*!
\qmlproperty list<Node> Qt3D::Node::childNodes
\readonly
*/
QQmlListProperty<QNode> Quick3DNode::childNodes()
{
return QQmlListProperty<QNode>(this, 0,
Quick3DNode::appendChild,
Quick3DNode::childCount,
Quick3DNode::childAt,
Quick3DNode::clearChildren);
}
void Quick3DNode::appendData(QQmlListProperty<QObject> *list, QObject *obj)
{
if (!obj)
return;
Quick3DNode *self = static_cast<Quick3DNode *>(list->object);
self->childAppended(0, obj);
}
QObject *Quick3DNode::dataAt(QQmlListProperty<QObject> *list, int index)
{
Quick3DNode *self = static_cast<Quick3DNode *>(list->object);
return self->parentNode()->children().at(index);
}
int Quick3DNode::dataCount(QQmlListProperty<QObject> *list)
{
Quick3DNode *self = static_cast<Quick3DNode *>(list->object);
return self->parentNode()->children().count();
}
void Quick3DNode::clearData(QQmlListProperty<QObject> *list)
{
Quick3DNode *self = static_cast<Quick3DNode *>(list->object);
Q_FOREACH (QObject *const child, self->parentNode()->children())
self->childRemoved(0, child);
}
void Quick3DNode::appendChild(QQmlListProperty<Qt3D::QNode> *list, Qt3D::QNode *obj)
{
if (!obj)
return;
Quick3DNode *self = static_cast<Quick3DNode *>(list->object);
Q_ASSERT(!self->parentNode()->children().contains(obj));
self->childAppended(0, obj);
}
Qt3D::QNode *Quick3DNode::childAt(QQmlListProperty<Qt3D::QNode> *list, int index)
{
Quick3DNode *self = static_cast<Quick3DNode *>(list->object);
return qobject_cast<QNode *>(self->parentNode()->children().at(index));
}
int Quick3DNode::childCount(QQmlListProperty<Qt3D::QNode> *list)
{
Quick3DNode *self = static_cast<Quick3DNode *>(list->object);
return self->parentNode()->children().count();
}
void Quick3DNode::clearChildren(QQmlListProperty<Qt3D::QNode> *list)
{
Quick3DNode *self = static_cast<Quick3DNode *>(list->object);
Q_FOREACH (QObject *const child, self->parentNode()->children())
self->childRemoved(0, child);
}
void Quick3DNode::childAppended(int, QObject *obj)
{
QNode *parentNode = this->parentNode();
if (obj->parent() == parentNode)
obj->setParent(0);
// Set after otherwise addChild might not work
obj->setParent(parentNode);
}
void Quick3DNode::childRemoved(int, QObject *obj)
{
QNode *node = qobject_cast<Qt3D::QNode *>(obj);
if (node)
node->setParent(Q_NULLPTR);
}
} // Quick
} // Qt3D
QT_END_NAMESPACE
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