void AttributeValuePrivate::connectSignal()
{
Q_Q(AttributeValue);
QObject::connect(q, SIGNAL(changed()), entity->context(), SLOT(onPropertyValueChanged()));
if(attribute->isCalculated()) {
int i = q->metaObject()->indexOfMethod("changed()");
if(i < 0)
return;
QMetaMethod changedSignal = q->metaObject()->method(i);
i = entity->metaObject()->indexOfMethod(attribute->signalSignature().toAscii());
if(i < 0)
return;
QMetaMethod trueSignal = entity->metaObject()->method(i);
QObject::connect(q, changedSignal, entity, trueSignal);
}
}
/**
* Filters out change notifications concerning other properties.
*/
void ConfigPropertyObserver::onValueChanged(const std::string &name,
const std::string &newValue,
const std::string &prevValue) {
if (name == m_propertyName)
onPropertyValueChanged(newValue, prevValue);
}