void SystemClipboard::saveNode(const Node *node, const QString &name, bool)
{
xml->beginSaveChildNode(node->typeName());
xml->setName(name);
xml->setPartialHint(false);
node->save(*this);
if ( !node->isFullyLoaded() )
{
// Persist sub nodes which have not been loaded. Each subnode has a unique name. If a node was previously
// persisted and was not saved so far, we will read it back from the persistent store and store it again.
// Get a list of sub nodes which have already been persisted.
QStringList persistedChildren = xml->getChildrenNames();
PersistedNode* persisted = node->model()->store()->loadCompleteNodeSubtree(node->model()->name(), node->persistentUnitId(), node->id());
if (!persisted) throw FilePersistenceException("Could not load node subtree from old persistent store.");
PersistedValue< QList<PersistedNode*> >* composite = dynamic_cast<PersistedValue< QList<PersistedNode*> >* > (persisted);
if (!composite) throw FilePersistenceException("Partial loading of Value-type nodes (string, int, double) is not supported.");
for(int i = 0; i<composite->value().size(); ++i)
{
if (!persistedChildren.contains(composite->value()[i]->name())) saveNodeFromOldStore(composite->value()[i]);
}
SAFE_DELETE(persisted);
}
xml->endSaveChildNode();
}
void SystemClipboard::saveNodeFromOldStore(PersistedNode* node)
{
xml->beginSaveChildNode( node->type() );
xml->setName(node->name());
xml->setPartialHint( false );
PersistedValue< QString >* string = dynamic_cast< PersistedValue< QString >* > (node);
if (string) xml->saveStringValue(string->value());
else
{
PersistedValue< int >* integer = dynamic_cast< PersistedValue< int >* > (node);
if (integer) xml->saveIntValue( integer->value() );
else
{
PersistedValue< double >* dbl = dynamic_cast< PersistedValue< double >* > (node);
if (dbl) xml->saveDoubleValue(dbl->value());
else
{
PersistedValue< QList<PersistedNode*> >* composite = dynamic_cast< PersistedValue< QList<PersistedNode*> >* > (node);
if (composite)
{
for (int i = 0; i< composite->value().size(); ++i) saveNodeFromOldStore(composite->value()[i]);
}
else throw FilePersistenceException("Unknown PersistedNode type.");
}
}
}
xml->endSaveChildNode();
}
LoadedNode SystemClipboard::loadNode(Node* parent)
{
if (!parent) throw FilePersistenceException("Can not load a not from clipboard without a parent.");
LoadedNode node;
node.name = xml->getName();
node.node = Node::createNewNode(xml->getType(), parent, parent->model()->generateNextId(), *this, false);
return node;
}
void NodeIdMap::setId(const Model::Node* node, NodeIdType id)
{
QMap<const Model::Node*, NodeIdType>::const_iterator iter = map.find(node);
if (iter != map.end())
{
if (*iter == id) return;
else throw FilePersistenceException("Setting an inconsistent node id in NodeIdMap");
}
map.insert(node, id);
}
void SystemClipboard::next()
{
if (xml->hasNext()) xml->loadNext();
else throw FilePersistenceException("Could not find next clipboard element.");
}
PersistedNode* SystemClipboard::loadCompleteNodeSubtree(const QString&, NodeIdType, NodeIdType)
{
throw FilePersistenceException("The loadCompleteNodeSubtree(...) method is not supported in the SystemClipboard store. This might indicate that an object only partially loaded itself, ignoring the provided partial hint.");
}
QList<LoadedNode> SystemClipboard::loadPartialNode(Node*)
{
throw FilePersistenceException("The loadPartialNode(...) method is not supported in the SystemClipboard store. This might indicate that an object only partially loaded itself, ignoring the provided partial hint.");
}
Node* SystemClipboard::loadModel(::Model::Model*, const QString &)
{
throw FilePersistenceException("The clipboard does not support the loadModel() method.");
}