/*! \reimp */
void IdentifiableContentItemInterface::emitPropertyChangeSignals(const QVariantMap &oldData, const QVariantMap &newData)
{
Q_D(IdentifiableContentItemInterface);
// most derived types will do:
// {
// foreach (key, propKeys) {
// if (newData.value(key) != oldData.value(key)) {
// emit thatPropertyChanged();
// }
// }
// SuperClass::emitPropertyChangeSignals(oldData, newData);
// }
// But this one is a bit special, since if the id changed, it's a terrible error.
// check identifier - NOTE: derived types MUST fill out this field before calling this class' implementation of emitPropertyChangeSignals.
QString oldId = oldData.value(NEMOQMLPLUGINS_SOCIAL_CONTENTITEMID).toString();
QString newId = newData.value(NEMOQMLPLUGINS_SOCIAL_CONTENTITEMID).toString();
if (newId.isEmpty() && oldId.isEmpty()) {
// this will fall through to being reported as an error due to identifier change (to empty) below.
qWarning() << Q_FUNC_INFO << "ERROR: derived types MUST set the NEMOQMLPLUGINS_SOCIAL_CONTENTITEMID field appropriately prior to calling the superclass emitPropertyChangeSignals() function!";
}
if (oldId.isEmpty())
oldId = d->identifier; // might have been set directly by client via icii.setIdentifier() which sets dd->identifier.
if (oldId.isEmpty() && !newId.isEmpty()) {
// this must be a new object created by the model. We now have an identifier; set it and update.
d->identifier = newId;
emit identifierChanged();
} else if (newId.isEmpty() || oldId != newId) {
// the identifier changed. This shouldn't happen in real life. Must be an error.
d->status = SocialNetworkInterface::Invalid;
d->error = SocialNetworkInterface::DataUpdateError;
d->errorMessage = QString(QLatin1String("identifier changed during data update from %1 to %2")).arg(oldId).arg(newId);
d->s = 0;
emit statusChanged();
emit errorChanged();
emit errorMessageChanged();
emit socialNetworkChanged();
}
// finally, as all derived classes must do, call super class implementation.
ContentItemInterface::emitPropertyChangeSignals(oldData, newData);
}
void ContentItemInterface::setSocialNetwork(SocialNetworkInterface *socialNetwork)
{
Q_D(ContentItemInterface);
if (d->isInitialized) {
qWarning() << Q_FUNC_INFO
<< "Can't change social network after content item has been initialized!";
return;
}
if (d->socialNetworkInterface != socialNetwork) {
if (d->socialNetworkInterface)
disconnect(d->socialNetworkInterface);
if (socialNetwork && !socialNetwork->isInitialized()) {
connect(socialNetwork, SIGNAL(initializedChanged()),
this, SLOT(socialNetworkInitializedChangedHandler()));
}
d->socialNetworkInterface = socialNetwork;
emit socialNetworkChanged();
}
}
