QmlPropertyChanges QmlModelState::propertyChanges(const ModelNode &node)
{
if (!isBaseState()) {
addChangeSetIfNotExists(node);
foreach (const ModelNode &childNode, modelNode().nodeListProperty("changes").toModelNodeList()) {
//### exception if not valid QmlModelStateOperation
if (QmlPropertyChanges::isValidQmlPropertyChanges(childNode)
&& QmlPropertyChanges(childNode).target().isValid()
&& QmlPropertyChanges(childNode).target() == node)
return QmlPropertyChanges(childNode); //### exception if not valid(childNode);
}
}
QList<QmlPropertyChanges> QmlModelState::propertyChanges() const
{
//### exception if not valid
QList<QmlPropertyChanges> returnList;
if (isBaseState())
return returnList;
if (!modelNode().hasProperty("changes"))
return returnList;
Q_ASSERT(modelNode().property("changes").isNodeListProperty());
foreach (const ModelNode &childNode, modelNode().nodeListProperty("changes").toModelNodeList()) {
//### exception if not valid QmlModelStateOperation
if (QmlPropertyChanges(childNode).isValid())
returnList.append(QmlPropertyChanges(childNode));
}
return returnList;
}
void QmlModelState::addChangeSetIfNotExists(const ModelNode &node)
{
//### exception if not valid
if (!isValid())
throw new InvalidModelNodeException(__LINE__, __FUNCTION__, __FILE__);
if (hasPropertyChanges(node)) {
return; //changeSet already there
}
ModelNode newChangeSet;
if (qmlModelView()->rootModelNode().majorQtQuickVersion() > 1) {
newChangeSet = modelNode().view()->createModelNode("QtQuick.PropertyChanges", 2, 0);
} else {
newChangeSet = modelNode().view()->createModelNode("QtQuick.PropertyChanges", 1, 0);
}
modelNode().nodeListProperty("changes").reparentHere(newChangeSet);
QmlPropertyChanges(newChangeSet).setTarget(node);
Q_ASSERT(QmlPropertyChanges(newChangeSet).isValid());
}