static inline void applyProperties(ModelNode &node, const QHash<PropertyName, QVariant> &propertyHash)
{
    QHash<PropertyName, QVariant> auxiliaryData  = node.auxiliaryData();

    foreach (const PropertyName &propertyName, auxiliaryData.keys()) {
        if (node.hasAuxiliaryData(propertyName))
            node.setAuxiliaryData(propertyName, QVariant());
    }

    QHashIterator<PropertyName, QVariant> propertyIterator(propertyHash);
    while (propertyIterator.hasNext()) {
        propertyIterator.next();
        const PropertyName propertyName = propertyIterator.key();
        if (propertyName == "width" || propertyName == "height") {
            node.setAuxiliaryData(propertyIterator.key(), propertyIterator.value());
        } else if (node.property(propertyIterator.key()).isDynamic() &&
                   node.property(propertyIterator.key()).dynamicTypeName() == "alias" &&
                   node.property(propertyIterator.key()).isBindingProperty()) {
            AbstractProperty targetProperty = node.bindingProperty(propertyIterator.key()).resolveToProperty();
            if (targetProperty.isValid())
                targetProperty.parentModelNode().setAuxiliaryData(targetProperty.name() + "@NodeInstance", propertyIterator.value());
        } else {
            node.setAuxiliaryData(propertyIterator.key() + "@NodeInstance", propertyIterator.value());
        }
    }
}
static inline void backupPropertyAndRemove(ModelNode node, const QString &propertyName)
{
    if (node.hasVariantProperty(propertyName)) {
        node.setAuxiliaryData(auxDataString + propertyName, node.variantProperty(propertyName).value());
        node.removeProperty(propertyName);

    }
    if (node.hasBindingProperty(propertyName)) {
        node.setAuxiliaryData(auxDataString + propertyName, QmlItemNode(node).instanceValue(propertyName));
        node.removeProperty(propertyName);
    }
}
void NavigatorTreeModel::handleChangedItem(QStandardItem *item)
{
    if (m_blockItemChangedSignal)
        return;

    uint nodeHash = item->data(Qt::UserRole).toUInt();
    Q_ASSERT(nodeHash && containsNodeHash(nodeHash));
    ModelNode node = nodeForHash(nodeHash);

    ItemRow itemRow = itemRowForNode(node);
    if (item == itemRow.idItem) {
        try {
            node.setId(item->text());
        } catch (InvalidIdException &e) {
            QMessageBox::warning(0, tr("Invalid Id"), e.description());
            item->setText(node.id());
        }
    } else if (item == itemRow.visibilityItem) {
        bool invisible = (item->checkState() == Qt::Unchecked);

        node.setAuxiliaryData("invisible", invisible);
        propagateInvisible(node,isNodeInvisible(node));
    }
}