// SelectAll():
// Selects all items and their children
void LWItemHierarchy::SelectAll() {
if( type != LWI_SCENE )
SetIsSelected( true );
for( unsigned long i=0; i < children.NumElements(); i++ ) {
children[i]->SetIsSelected( true );
children[i]->SelectChildren( true );
}
}
// SelectSelectedsChildren():
// Selects the children of the currently selected items.
// If recursive is true, the children's children will
// also be selected. Internal only; does NOT affect Layout
void LWItemHierarchy::SelectSelectedsChildren( bool recursive ) {
if( parent != NULL ) {
if( parent->GetType() != LWI_SCENE ) {
if( parent->GetIsSelected() )
SetIsSelected( true );
}
}
if( recursive ) {
for( unsigned long i=0; i < children.NumElements(); i++ )
children[i]->SelectSelectedsChildren( recursive );
}
}
// SelectSelectedsBones():
// Selects the bones of the currently selected items.
// If recursive is true, the bones's children will
// also be selected. Internal only; does NOT affect Layout
void LWItemHierarchy::SelectSelectedsBones( bool recursive ) {
if( type == LWI_BONE ) {
if( parent != NULL ) {
if( (parent->GetType() != LWI_BONE) || recursive ) { // Only select child bones if recursive is on
if( parent->GetIsSelected() )
SetIsSelected( true );
}
}
}
if( recursive ) {
for( unsigned long i=0; i < children.NumElements(); i++ )
children[i]->SelectSelectedsBones( recursive );
}
}
void SLargeAssetTypeTreeWidget::Populate(const TArray<FString>& InSelectedAssetTypeClassNames)
{
AssetCategories.Empty();
TMap<EAssetTypeCategories::Type, FLargeAssetTypeTreeItemPtr> CategoryMap;
AddCategoriesToCategoryMap(CategoryMap);
FAssetToolsModule& AssetToolsModule =
FModuleManager::LoadModuleChecked<FAssetToolsModule>(TEXT("AssetTools"));
TArray<FAssetTypeWeakPtr> AssetTypes;
AssetToolsModule.Get().GetAssetTypeActionsList(AssetTypes);
struct FOrderAssetTypesByNameAsc
{
// return true if A should appear before B, false otherwise
bool operator()(const FAssetTypeWeakPtr& A, const FAssetTypeWeakPtr& B) const
{
return A.Pin()->GetName().CompareTo(B.Pin()->GetName()) < 0;
}
};
AssetTypes.Sort(FOrderAssetTypesByNameAsc());
// assign all the asset types to the corresponding category tree items
for (const auto AssetTypeWeakPtr : AssetTypes)
{
TSharedPtr<IAssetType> AssetType = AssetTypeWeakPtr.Pin();
// for consistency ignore asset types that can't be filtered by in the content browser,
// usually this is because the asset type is not fully supported
if (AssetType.IsValid() && AssetType->CanFilter())
{
TArray<FLargeAssetTypeTreeItemWeakPtr> AssetTypeItems;
for (auto CategoryMapEntry : CategoryMap)
{
if (AssetType->GetCategories() & CategoryMapEntry.Key)
{
FLargeAssetTypeTreeItemPtr AssetTypeItem =
MakeShareable(
new FLargeAssetTypeTreeItem(*AssetType.Get(), CategoryMapEntry.Value)
);
AssetTypeItems.Add(AssetTypeItem);
CategoryMapEntry.Value->Children.Add(AssetTypeItem);
}
}
if (AssetTypeItems.Num() == 1)
{
auto AssetTypeItem = AssetTypeItems[0].Pin();
AssetTypeItem->SetIsSelected(
InSelectedAssetTypeClassNames.Contains(AssetTypeItem->AssetTypeClassName)
);
}
else if (AssetTypeItems.Num() > 1)
{
auto AssetTypeItem = AssetTypeItems[0].Pin();
FLargeAssetTypeTreeItem::CreateSharedState(
AssetTypeItems,
InSelectedAssetTypeClassNames.Contains(AssetTypeItem->AssetTypeClassName)
);
}
}
}
for (const auto CategoryMapEntry : CategoryMap)
{
AssetCategories.Add(CategoryMapEntry.Value);
}
TreeView->RequestTreeRefresh();
}
