Files
UnrealEngine/Engine/Plugins/Editor/AssetSearch/Source/Private/Indexers/WidgetBlueprintIndexer.cpp
2025-05-18 13:04:45 +08:00

84 lines
2.3 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "WidgetBlueprintIndexer.h"
#include "WidgetBlueprint.h"
#include "Components/Widget.h"
#include "Utility/IndexerUtilities.h"
#include "SearchSerializer.h"
#define LOCTEXT_NAMESPACE "FWidgetBlueprintIndexer"
enum class EWidgetBlueprintIndexerVersion
{
Empty,
Initial,
FixLabels,
Binding,
// -----<new versions can be added above this line>-------------------------------------------------
VersionPlusOne,
LatestVersion = VersionPlusOne - 1
};
int32 FWidgetBlueprintIndexer::GetVersion() const
{
return (int32)EWidgetBlueprintIndexerVersion::LatestVersion;
}
void FWidgetBlueprintIndexer::IndexAsset(const UObject* InAssetObject, FSearchSerializer& Serializer) const
{
const UWidgetBlueprint* BP = CastChecked<UWidgetBlueprint>(InAssetObject);
TArray<const UWidget*> AllWidgets = BP->GetAllSourceWidgets();
for (const UWidget* Widget : AllWidgets)
{
FString Label = Widget->GetDisplayLabel();
if (Label.IsEmpty())
{
Label = Widget->GetName();
}
Serializer.BeginIndexingObject(Widget, Label);
Serializer.IndexProperty(TEXT("Name"), Label);
Serializer.IndexProperty(Widget->GetName() + TEXT("_Class"), Widget->GetClass()->GetName());
FIndexerUtilities::IterateIndexableProperties(Widget, [&Serializer](const FProperty* Property, const FString& Value) {
Serializer.IndexProperty(Property, Value);
});
Serializer.EndIndexingObject();
}
if (const UWidgetBlueprintGeneratedClass* BPClass = Cast<UWidgetBlueprintGeneratedClass>(BP->GeneratedClass))
{
Serializer.BeginIndexingObject(BP, TEXT("$self"));
for (const FDelegateRuntimeBinding& Binding : BPClass->Bindings)
{
if (!Binding.ObjectName.IsEmpty() && !Binding.PropertyName.IsNone())
{
TStringBuilder<128> PropertyName;
PropertyName.Append(TEXT("[Binding] "));
PropertyName.Append(Binding.ObjectName);
PropertyName.Append(TEXT("."));
PropertyName.Append(Binding.PropertyName.ToString());
if (Binding.SourcePath.IsValid())
{
Serializer.IndexProperty(PropertyName.ToString(), Binding.SourcePath.ToString());
}
else if (!Binding.FunctionName.IsNone())
{
Serializer.IndexProperty(PropertyName.ToString(), Binding.FunctionName.ToString());
}
}
}
Serializer.EndIndexingObject();
}
}
#undef LOCTEXT_NAMESPACE