/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
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** This file is part of the Qt3D module of the Qt Toolkit.
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** 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 "quick3dtechnique.h"

QT_BEGIN_NAMESPACE

namespace Qt3DRender {
namespace Render {
namespace Quick {

Quick3DTechnique::Quick3DTechnique(QObject *parent)
    : QObject(parent)
{
}

QQmlListProperty<QRenderPass> Quick3DTechnique::renderPassList()
{
    return QQmlListProperty<QRenderPass>(this, 0,
                                         &Quick3DTechnique::appendRenderPass,
                                         &Quick3DTechnique::renderPassCount,
                                         &Quick3DTechnique::renderPassAt,
                                         &Quick3DTechnique::clearRenderPasses);
}

QQmlListProperty<QParameter> Quick3DTechnique::parameterList()
{
    return QQmlListProperty<QParameter>(this, 0,
                                        &Quick3DTechnique::appendParameter,
                                        &Quick3DTechnique::parametersCount,
                                        &Quick3DTechnique::parameterAt,
                                        &Quick3DTechnique::clearParameterList);
}

void Quick3DTechnique::appendParameter(QQmlListProperty<QParameter> *list, QParameter *param)
{
    Quick3DTechnique *technique = qobject_cast<Quick3DTechnique *>(list->object);
    technique->parentTechnique()->addParameter(param);
}

QParameter *Quick3DTechnique::parameterAt(QQmlListProperty<QParameter> *list, int index)
{
    Quick3DTechnique *technique = qobject_cast<Quick3DTechnique *>(list->object);
    return technique->parentTechnique()->parameters().at(index);
}

int Quick3DTechnique::parametersCount(QQmlListProperty<QParameter> *list)
{
    Quick3DTechnique *technique = qobject_cast<Quick3DTechnique *>(list->object);
    return technique->parentTechnique()->parameters().count();
}

void Quick3DTechnique::clearParameterList(QQmlListProperty<QParameter> *list)
{
    Quick3DTechnique *technique = qobject_cast<Quick3DTechnique *>(list->object);
    Q_FOREACH (QParameter *p, technique->parentTechnique()->parameters())
        technique->parentTechnique()->removeParameter(p);
}

void Quick3DTechnique::appendRenderPass(QQmlListProperty<QRenderPass> *list, QRenderPass *renderPass)
{
    Quick3DTechnique *technique = qobject_cast<Quick3DTechnique *>(list->object);
    if (technique) {
        technique->parentTechnique()->addPass(renderPass);
    }
}

QRenderPass *Quick3DTechnique::renderPassAt(QQmlListProperty<QRenderPass> *list, int index)
{
    Quick3DTechnique *technique = qobject_cast<Quick3DTechnique *>(list->object);
    if (technique)
        return qobject_cast<QRenderPass *>(technique->parentTechnique()->renderPasses().at(index));
    return 0;
}

int Quick3DTechnique::renderPassCount(QQmlListProperty<QRenderPass> *list)
{
    Quick3DTechnique *technique = qobject_cast<Quick3DTechnique *>(list->object);
    if (technique)
        return technique->parentTechnique()->renderPasses().size();
    return 0;
}

void Quick3DTechnique::clearRenderPasses(QQmlListProperty<QRenderPass> *list)
{
    Quick3DTechnique *technique = qobject_cast<Quick3DTechnique *>(list->object);
    if (technique) {
        Q_FOREACH (QRenderPass *pass, technique->parentTechnique()->renderPasses())
            technique->parentTechnique()->removePass(pass);
    }
}

QQmlListProperty<QAnnotation> Quick3DTechnique::annotationList()
{
    return QQmlListProperty<QAnnotation>(this, 0,
                                         &Quick3DTechnique::appendAnnotation,
                                         &Quick3DTechnique::annotationCount,
                                         &Quick3DTechnique::annotationAt,
                                         &Quick3DTechnique::clearAnnotationList);
}

void Quick3DTechnique::appendAnnotation(QQmlListProperty<QAnnotation> *list, QAnnotation *annotation)
{
    Quick3DTechnique *technique = qobject_cast<Quick3DTechnique *>(list->object);
    if (technique) {
        if (!annotation->parent())
            annotation->setParent(technique->parentTechnique());
        technique->parentTechnique()->addAnnotation(annotation);
    }
}

QAnnotation *Quick3DTechnique::annotationAt(QQmlListProperty<QAnnotation> *list, int index)
{
    Quick3DTechnique *technique = qobject_cast<Quick3DTechnique *>(list->object);
    if (technique)
        return technique->parentTechnique()->annotations().at(index);
    return 0;
}

int Quick3DTechnique::annotationCount(QQmlListProperty<QAnnotation> *list)
{
    Quick3DTechnique *technique = qobject_cast<Quick3DTechnique *>(list->object);
    if (technique)
        return technique->parentTechnique()->annotations().size();
    return 0;
}

void Quick3DTechnique::clearAnnotationList(QQmlListProperty<QAnnotation> *list)
{
    Quick3DTechnique *technique = qobject_cast<Quick3DTechnique *>(list->object);
    if (technique) {
        Q_FOREACH (QAnnotation *a, technique->parentTechnique()->annotations())
            technique->parentTechnique()->removeAnnotation(a);
    }
}

} // namespace Quick
} // namespace Render
} // namespace Qt3DRender

QT_END_NAMESPACE