void SDetailsViewBase::RestoreExpandedItems(TSharedPtr<FPropertyNode> InitialStartNode)
{
auto RootPropertyNode = GetRootNode();
check(RootPropertyNode.IsValid());
TSharedPtr<FPropertyNode> StartNode = InitialStartNode;
if (!StartNode.IsValid())
{
StartNode = RootPropertyNode;
}
ExpandedDetailNodes.Empty();
TArray<FString> ExpandedPropertyItems;
FString ExpandedCustomItems;
UStruct* BestBaseStruct = RootPropertyNode->GetBaseStructure();
//while a valid class, and we're either the same as the base class (for multiple actors being selected and base class is AActor) OR we're not down to AActor yet)
for (UStruct* Struct = BestBaseStruct; Struct && ((BestBaseStruct == Struct) || (Struct != AActor::StaticClass())); Struct = Struct->GetSuperStruct())
{
GConfig->GetSingleLineArray(TEXT("DetailPropertyExpansion"), *Struct->GetName(), ExpandedPropertyItems, GEditorPerProjectIni);
SetExpandedItems(StartNode, ExpandedPropertyItems);
}
if (BestBaseStruct)
{
GConfig->GetString(TEXT("DetailCustomWidgetExpansion"), *BestBaseStruct->GetName(), ExpandedCustomItems, GEditorPerProjectIni);
TArray<FString> ExpandedCustomItemsArray;
ExpandedCustomItems.ParseIntoArray(ExpandedCustomItemsArray, TEXT(","), true);
ExpandedDetailNodes.Append(ExpandedCustomItemsArray);
}
}
/**
* Recursively sets expanded items for a node
*
* @param InNode The node to set expanded items on
* @param OutExpandedItems List of expanded items to set
*/
void SetExpandedItems(TSharedPtr<FPropertyNode> InPropertyNode, const TSet<FString>& InExpandedItems)
{
if (InExpandedItems.Num() > 0)
{
const bool bWithArrayIndex = true;
FString Path;
Path.Empty(128);
InPropertyNode->GetQualifiedName(Path, bWithArrayIndex);
if (InExpandedItems.Contains(Path))
{
InPropertyNode->SetNodeFlags(EPropertyNodeFlags::Expanded, true);
}
for (int32 NodeIndex = 0; NodeIndex < InPropertyNode->GetNumChildNodes(); ++NodeIndex)
{
SetExpandedItems(InPropertyNode->GetChildNode(NodeIndex), InExpandedItems);
}
}
}