Unreal.js-core/Source/JavascriptEditor/JavascriptUICommands.cpp at c38572af3cce4eda8414cbdc889435e3a85afaec · ncsoft/Unreal.js-core · GitHub

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#include "JavascriptUICommands.h"
#include "JavascriptMenuLibrary.h"
#include "Framework/Commands/Commands.h"
#include "Runtime/Launch/Resources/Version.h"

//PRAGMA_DISABLE_OPTIMIZATION

UJavascriptUICommands::UJavascriptUICommands(const FObjectInitializer& ObjectInitializer)
: Super(ObjectInitializer), bRegistered(false)
{
}

void UJavascriptUICommands::BeginDestroy()
{
	Super::BeginDestroy();

	Discard();
}

void UJavascriptUICommands::Commit()
{
	Discard();

//	IJavascriptEditorModule::Get().AddExtension(this);

	bRegistered = true;
}

void UJavascriptUICommands::Discard()
{
	if (bRegistered)
	{
//		IJavascriptEditorModule::Get().RemoveExtension(this);
	}

	bRegistered = false;
}

void UJavascriptUICommands::Initialize()
{
	for (auto info : Commands)
	{
		if (info.CommandInfo.Handle.IsValid())
		{
			CommandInfos.Add(info.CommandInfo);
		}
		else
		{
			FJavascriptUICommandInfo CommandInfo = UJavascriptMenuLibrary::UI_COMMAND_Function(BindingContext, info, TextSubNamespace);

			CommandInfos.Add(CommandInfo);
		}
	}

	BroadcastCommandsChanged(ContextName);
}

void UJavascriptUICommands::Uninitialize()
{
	CommandInfos.Empty();

	BroadcastCommandsChanged(ContextName);
}

void UJavascriptUICommands::BroadcastCommandsChanged(const FString& InContextName)
{
#if (ENGINE_MAJOR_VERSION == 4 && ENGINE_MINOR_VERSION > 14) || ENGINE_MAJOR_VERSION > 4
	TSharedPtr<FBindingContext> ExistingBindingContext = FInputBindingManager::Get().GetContextByName(*InContextName);
	if (ExistingBindingContext.IsValid())
	{
		FBindingContext::CommandsChanged.Broadcast(*ExistingBindingContext);
	}
#else
	FBindingContext::CommandsChanged.Broadcast();
#endif
}

void UJavascriptUICommands::Refresh()
{
}

void UJavascriptUICommands::Bind(FJavascriptUICommandList CommandList)
{
	Bind(CommandList.Handle.Get());
}

void UJavascriptUICommands::Unbind(FJavascriptUICommandList CommandList)
{
	Unbind(CommandList.Handle.Get());
}

void UJavascriptUICommands::Bind(FUICommandList* CommandList)
{
	for (int32 Index = 0; Index < Commands.Num(); ++Index)
	{
		CommandList->MapAction(
			CommandInfos[Index].Handle,
			FExecuteAction::CreateLambda([this, Index](){
				if (OnExecuteAction.IsBound())
				{
					OnExecuteAction.Execute(Commands[Index].Id);
				}
			}),
			FCanExecuteAction::CreateLambda([this, Index](){
				return !OnCanExecuteAction.IsBound() || OnCanExecuteAction.Execute(Commands[Index].Id);
			}),
			FCanExecuteAction::CreateLambda([this, Index](){
				return !OnIsActionChecked.IsBound() || OnIsActionChecked.Execute(Commands[Index].Id);
			}),
			FCanExecuteAction::CreateLambda([this, Index](){
				return !OnIsActionButtonVisible.IsBound() || OnIsActionButtonVisible.Execute(Commands[Index].Id);
			})
		);
	}

}
void UJavascriptUICommands::Unbind(FUICommandList* CommandList)
{
	// unbind is not supported, just rebind again!
	for (auto CommandInfo : CommandInfos)
	{
		if (CommandList->IsActionMapped(CommandInfo.Handle))
		{
			CommandList->UnmapAction(CommandInfo.Handle);
		}
	}
}

FJavascriptUICommandInfo UJavascriptUICommands::GetAction(FString Id)
{
	if (Commands.Num() == CommandInfos.Num())
	{
		for (int32 Index = 0; Index < Commands.Num(); ++Index)
		{
			if (Commands[Index].Id == Id)
			{
				return CommandInfos[Index];
			}
		}
	}

	return FJavascriptUICommandInfo();
}

//PRAGMA_ENABLE_OPTIMIZATION