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/*
qmlattachedpropertyadaptor.cpp
This file is part of GammaRay, the Qt application inspection and manipulation tool.
SPDX-FileCopyrightText: 2015 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
Author: Volker Krause <volker.krause@kdab.com>
SPDX-License-Identifier: GPL-2.0-or-later
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
#include "qmlattachedpropertyadaptor.h"
#include "qmltypeutil.h"
#include <core/propertydata.h>
#include <QDebug>
#include <private/qqmldata_p.h>
#include <private/qqmlmetatype_p.h>
using namespace GammaRay;
QmlAttachedPropertyAdaptor::QmlAttachedPropertyAdaptor(QObject *parent)
: PropertyAdaptor(parent)
{
}
QmlAttachedPropertyAdaptor::~QmlAttachedPropertyAdaptor() = default;
void QmlAttachedPropertyAdaptor::doSetObject(const ObjectInstance &oi)
{
auto data = QQmlData::get(oi.qtObject());
Q_ASSERT(data);
Q_ASSERT(data->hasExtendedData());
Q_ASSERT(data->attachedProperties());
m_attachedTypes.reserve(data->attachedProperties()->size());
for (auto it = data->attachedProperties()->constBegin();
it != data->attachedProperties()->constEnd(); ++it)
m_attachedTypes.push_back(it.key());
}
int QmlAttachedPropertyAdaptor::count() const
{
return m_attachedTypes.size();
}
PropertyData QmlAttachedPropertyAdaptor::propertyData(int index) const
{
PropertyData pd;
if (!object().isValid())
return pd;
Q_ASSERT(index >= 0);
Q_ASSERT(index < m_attachedTypes.size());
auto data = QQmlData::get(object().qtObject());
if (!data)
return pd;
auto it = data->attachedProperties()->constFind(m_attachedTypes.at(index));
if (it == data->attachedProperties()->constEnd())
return pd;
auto qmlType = QQmlMetaType::qmlType(it.value()->metaObject());
if (QmlType::isValid(qmlType) && !QmlType::callable(qmlType)->elementName().isEmpty())
pd.setName(QmlType::callable(qmlType)->elementName());
else
pd.setName(it.value()->metaObject()->className());
pd.setValue(QVariant::fromValue(it.value()));
pd.setClassName(it.value()->metaObject()->className());
return pd;
}
QmlAttachedPropertyAdaptorFactory *QmlAttachedPropertyAdaptorFactory::s_instance = nullptr;
PropertyAdaptor *QmlAttachedPropertyAdaptorFactory::create(const ObjectInstance &oi,
QObject *parent) const
{
if (oi.type() != ObjectInstance::QtObject || !oi.qtObject())
return nullptr;
auto data = QQmlData::get(oi.qtObject());
if (!data || !data->hasExtendedData() || !data->attachedProperties()
|| data->attachedProperties()->isEmpty())
return nullptr;
return new QmlAttachedPropertyAdaptor(parent);
}
QmlAttachedPropertyAdaptorFactory *QmlAttachedPropertyAdaptorFactory::instance()
{
if (!s_instance)
s_instance = new QmlAttachedPropertyAdaptorFactory;
return s_instance;
}
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