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/*
dynamicpropertyadaptor.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 "dynamicpropertyadaptor.h"
#include "propertydata.h"
#include "objectinstance.h"
#include <QDebug>
#include <QEvent>
using namespace GammaRay;
DynamicPropertyAdaptor::DynamicPropertyAdaptor(QObject *parent)
: PropertyAdaptor(parent)
{
}
DynamicPropertyAdaptor::~DynamicPropertyAdaptor() = default;
void DynamicPropertyAdaptor::doSetObject(const ObjectInstance &oi)
{
auto obj = oi.qtObject();
if (obj) {
m_propNames = obj->dynamicPropertyNames();
obj->installEventFilter(this);
connect(obj, &QObject::destroyed, this, &PropertyAdaptor::objectInvalidated);
}
}
int DynamicPropertyAdaptor::count() const
{
if (!object().isValid())
return 0;
Q_ASSERT(m_propNames.size() == object().qtObject()->dynamicPropertyNames().size());
return m_propNames.size();
}
PropertyData DynamicPropertyAdaptor::propertyData(int index) const
{
PropertyData data;
if (!object().isValid())
return data;
Q_ASSERT(m_propNames.size() == object().qtObject()->dynamicPropertyNames().size());
data.setName(m_propNames.at(index));
data.setValue(object().qtObject()->property(m_propNames.at(index)));
data.setClassName(tr("<dynamic>"));
data.setAccessFlags(PropertyData::Writable | PropertyData::Deletable);
return data;
}
void DynamicPropertyAdaptor::writeProperty(int index, const QVariant &value)
{
if (!object().isValid())
return;
Q_ASSERT(index < m_propNames.size());
const auto &propName = m_propNames.at(index);
object().qtObject()->setProperty(propName, value);
}
bool DynamicPropertyAdaptor::canAddProperty() const
{
return object().qtObject();
}
void DynamicPropertyAdaptor::addProperty(const PropertyData &data)
{
if (!object().isValid())
return;
Q_ASSERT(!m_propNames.contains(data.name().toUtf8()));
object().qtObject()->setProperty(data.name().toUtf8(), data.value());
}
bool DynamicPropertyAdaptor::eventFilter(QObject *receiver, QEvent *event)
{
auto obj = object().qtObject();
if (receiver == obj && event->type() == QEvent::DynamicPropertyChange) {
const auto changeEvent = static_cast<QDynamicPropertyChangeEvent *>(event);
const auto oldIdx = m_propNames.indexOf(changeEvent->propertyName());
const auto newIdx = obj->dynamicPropertyNames().indexOf(changeEvent->propertyName());
if (oldIdx >= 0 && newIdx >= 0) {
Q_ASSERT(oldIdx == newIdx);
emit propertyChanged(oldIdx, oldIdx);
} else if (newIdx >= 0) {
m_propNames = obj->dynamicPropertyNames();
emit propertyAdded(newIdx, newIdx);
} else {
Q_ASSERT(oldIdx >= 0);
m_propNames = obj->dynamicPropertyNames();
emit propertyRemoved(oldIdx, oldIdx);
}
}
return PropertyAdaptor::eventFilter(receiver, event);
}
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