UnrealEngineUWP/Engine/Source/Editor/ContentBrowser/Private/NewAssetOrClassContextMenu.h

// Copyright 1998-2017 Epic Games, Inc. All Rights Reserved.

#pragma once

#include "CoreMinimal.h"
#include "Framework/Commands/UIAction.h"
#include "AssetTypeCategories.h"

class FMenuBuilder;

class FNewAssetOrClassContextMenu
{
public:
	DECLARE_DELEGATE_TwoParams( FOnNewAssetRequested, const FString& /*SelectedPath*/, TWeakObjectPtr<UClass> /*FactoryClass*/ );
	DECLARE_DELEGATE_OneParam( FOnNewClassRequested, const FString& /*SelectedPath*/ );
	DECLARE_DELEGATE_OneParam( FOnNewFolderRequested, const FString& /*SelectedPath*/ );
	DECLARE_DELEGATE_OneParam( FOnImportAssetRequested, const FString& );
	DECLARE_DELEGATE( FOnGetContentRequested )

	/** Makes the context menu widget */
	static void MakeContextMenu(
		FMenuBuilder& MenuBuilder, 
		const TArray<FName>& InSelectedPaths, 
		const FOnNewAssetRequested& InOnNewAssetRequested, 
		const FOnNewClassRequested& InOnNewClassRequested, 
		const FOnNewFolderRequested& InOnNewFolderRequested, 
		const FOnImportAssetRequested& InOnImportAssetRequested, 
		const FOnGetContentRequested& InOnGetContentRequested
		);

	/** Makes the context menu widget */
	static void MakeContextMenu(
		FMenuBuilder& MenuBuilder, 
		const TArray<FString>& InSelectedPaths, 
		const FOnNewAssetRequested& InOnNewAssetRequested, 
		const FOnNewClassRequested& InOnNewClassRequested, 
		const FOnNewFolderRequested& InOnNewFolderRequested, 
		const FOnImportAssetRequested& InOnImportAssetRequested, 
		const FOnGetContentRequested& InOnGetContentRequested
		);

private:
	/** Handle creating a new asset from an asset category */
	static void CreateNewAssetMenuCategory(FMenuBuilder& MenuBuilder, EAssetTypeCategories::Type AssetTypeCategory, FString InPath, FOnNewAssetRequested InOnNewAssetRequested, FCanExecuteAction InCanExecuteAction);

	/** Handle when the "Import" button is clicked */
	static void ExecuteImportAsset(FOnImportAssetRequested InOnImportAssetRequested, FString InPath);

	/** Create a new asset using the specified factory at the specified path */
	static void ExecuteNewAsset(FString InPath, TWeakObjectPtr<UClass> FactoryClass, FOnNewAssetRequested InOnNewAssetRequested);

	/** Create a new class at the specified path */
	static void ExecuteNewClass(FString InPath, FOnNewClassRequested InOnNewClassRequested);

	/** Create a new folder at the specified path */
	static void ExecuteNewFolder(FString InPath, FOnNewFolderRequested InOnNewFolderRequested);

	/** Handle when the "Get Content" button is clicked */
	static void ExecuteGetContent( FOnGetContentRequested InOnGetContentRequested );
};