/// <inheritdoc />
public override bool ProcessDeserializedData(AssetPropertyGraphContainer graphContainer, object targetRootObject, Type targetMemberType, ref object data, bool isRootDataObjectReference, AssetId?sourceId, YamlAssetMetadata <OverrideType> overrides, YamlAssetPath basePath)
{
if (targetRootObject == null)
{
throw new ArgumentNullException(nameof(targetRootObject));
}
if (data == null)
{
throw new ArgumentNullException(nameof(data));
}
var collectionDescriptor = (CollectionDescriptor)TypeDescriptorFactory.Default.Find(targetRootObject.GetType());
var collection = data as IList <AssetItem>;
if (collection == null)
{
collection = (IList <AssetItem>)Activator.CreateInstance(collectionDescriptor.Type, true);
collectionDescriptor.Add(collection, data);
}
for (var i = 0; i < collection.Count; i++)
{
var assetItem = collection[i];
// If the asset already exists, clone it with new identifiers
if (session.GetAssetById(assetItem.Id) != null)
{
// Create a derived asset and restore archetype to handle asset-specific cloning process.
Dictionary <Guid, Guid> idRemapping;
var clone = AssetCloner.Clone(assetItem.Asset, AssetClonerFlags.GenerateNewIdsForIdentifiableObjects, out idRemapping);
var assetType = assetItem.Asset.GetType();
if (assetType.HasInterface(typeof(AssetCompositeHierarchy <,>)))
{
try
{
// TODO: Find a way to fallback to the asset or generalize for all asset composite
dynamic assetComposite = clone;
// Remap indices of parts in Hierarchy.Part
var path = basePath.Clone();
path.PushItemId(CollectionItemIdHelper.GetCollectionItemIds(collection)[i]);
AssetCloningHelper.RemapIdentifiablePaths(overrides, idRemapping, path);
AssetPartsAnalysis.GenerateNewBaseInstanceIds(assetComposite.Hierarchy);
}
catch (RuntimeBinderException e)
{
e.Ignore();
}
}
// FIXME: rework this
var postProcessor = session.ServiceProvider.Get <ICopyPasteService>().PostProcessors.FirstOrDefault(p => p.Accept(assetType));
postProcessor?.PostPasteDeserialization(clone);
collection[i] = new AssetItem(assetItem.Location, clone);
}
}
// Get the fixed-up value
data = collection;
return(true);
}
/// <inheritdoc />
public override bool ProcessDeserializedData(AssetPropertyGraphContainer graphContainer, object targetRootObject, Type targetMemberType, ref object data, bool isRootDataObjectReference, AssetId?sourceId, YamlAssetMetadata <OverrideType> overrides, YamlAssetPath basePath)
{
var asset = (AssetCompositeHierarchy <TAssetPartDesign, TAssetPart>)targetRootObject;
var hierarchy = data as AssetCompositeHierarchyData <TAssetPartDesign, TAssetPart>;
if (hierarchy == null)
{
return(false);
}
// Create a temporary asset to host the hierarchy to paste, so we have a property graph to manipulate it.
var tempAsset = (AssetCompositeHierarchy <TAssetPartDesign, TAssetPart>)Activator.CreateInstance(asset.GetType());
tempAsset.Hierarchy = hierarchy;
// Use temporary containers so that any created nodes are discarded after the processing.
var tempNodeContainer = new AssetNodeContainer {
NodeBuilder = { NodeFactory = new AssetNodeFactory() }
};
var definition = AssetQuantumRegistry.GetDefinition(asset.GetType());
var rootNode = tempNodeContainer.GetOrCreateNode(tempAsset);
// If different asset or if at least one part already exists, create a custom clone.
if (asset.Id != sourceId || hierarchy.Parts.Values.Any(part => asset.ContainsPart(part.Part.Id)))
{
// Clone again to create new ids for any IIdentifiable, but keep references to external object intact.
var cloneExternalReferences = ExternalReferenceCollector.GetExternalReferences(definition, rootNode);
hierarchy = AssetCloner.Clone(hierarchy, AssetClonerFlags.GenerateNewIdsForIdentifiableObjects, cloneExternalReferences, out var idRemapping);
// Remap indices of parts in Hierarchy.Part
AssetCloningHelper.RemapIdentifiablePaths(overrides, idRemapping, basePath);
// Make new base instances ids in case the part are inherited.
AssetPartsAnalysis.GenerateNewBaseInstanceIds(hierarchy);
// Update the temporary asset with this cloned hierarchy.
rootNode[nameof(AssetCompositeHierarchy <TAssetPartDesign, TAssetPart> .Hierarchy)].Update(hierarchy);
}
// Collect all referenceable objects from the target asset (where we're pasting)
var targetPropertyGraph = graphContainer.TryGetGraph(asset.Id);
var referenceableObjects = IdentifiableObjectCollector.Collect(targetPropertyGraph.Definition, targetPropertyGraph.RootNode);
// Replace references in the hierarchy being pasted by the real objects from the target asset.
var externalReferences = new HashSet <Guid>(ExternalReferenceCollector.GetExternalReferences(definition, rootNode).Select(x => x.Id));
var visitor = new ObjectReferencePathGenerator(definition)
{
ShouldOutputReference = x => externalReferences.Contains(x)
};
visitor.Visit(rootNode);
FixupObjectReferences.FixupReferences(tempAsset, visitor.Result, referenceableObjects, true);
data = hierarchy;
return(true);
}