385 lines
18 KiB
C++
385 lines
18 KiB
C++
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// Copyright Epic Games, Inc. All Rights Reserved.
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#include "Toolkits/SStandaloneAssetEditorToolkitHost.h"
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#include "Toolkits/AssetEditorToolkitMenuContext.h"
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#include "Framework/MultiBox/MultiBoxBuilder.h"
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#include "Widgets/Layout/SBorder.h"
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#include "Misc/ConfigCacheIni.h"
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#include "Modules/ModuleManager.h"
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#include "Framework/Application/SlateApplication.h"
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#include "EditorStyleSet.h"
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#include "Toolkits/ToolkitManager.h"
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#include "Interfaces/IMainFrameModule.h"
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#include "Widgets/Docking/SDockTab.h"
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#include "UObject/Package.h"
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#include "ToolMenus.h"
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#define LOCTEXT_NAMESPACE "StandaloneAssetEditorToolkit"
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void SStandaloneAssetEditorToolkitHost::Construct(const SStandaloneAssetEditorToolkitHost::FArguments& InArgs, const TSharedPtr<FTabManager>& InTabManager, const FName InitAppName)
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{
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EditorCloseRequest = InArgs._OnRequestClose;
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EditorClosing = InArgs._OnClose;
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AppName = InitAppName;
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MyTabManager = InTabManager;
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}
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void SStandaloneAssetEditorToolkitHost::SetupInitialContent(const TSharedRef<FTabManager::FLayout>& DefaultLayout, const TSharedPtr<SDockTab>& InHostTab, const bool bCreateDefaultStandaloneMenu)
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{
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// @todo toolkit major: Expose common asset editing features here! (or require the asset editor's content to do this itself!)
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// - Add a "toolkit menu"
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// - Toolkits can access this and add menu items as needed
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// - In world-centric, main frame menu becomes extendable
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// - e.g., "Blueprint", "Debug" menus added
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// - In standalone, toolkits get their own menu
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// - Also, the core menu is just added as the first pull-down in the standalone menu
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// - Multiple toolkits can be active and add their own menu items!
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// - In world-centric, the core toolkit menu is available from the drop down
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// - No longer need drop down next to toolkit display? Not sure... Probably still want this
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// - Add a "toolkit toolbar"
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// - In world-centric, draws next to the level editor tool bar (or on top of)
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// - Could either extend existing tool bar or add additional tool bars
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// - May need to change arrangement to allow for wider tool bars (maybe displace grid settings too)
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// - In standalone, just draws under the toolkit's menu
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const FName AssetEditorMenuName = GetMenuName();
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if (!UToolMenus::Get()->IsMenuRegistered(AssetEditorMenuName))
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{
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UToolMenu* Menu = UToolMenus::Get()->RegisterMenu(AssetEditorMenuName, "MainFrame.MainMenu");
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if (bCreateDefaultStandaloneMenu)
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{
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CreateDefaultStandaloneMenuBar(Menu);
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}
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}
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DefaultMenuWidget = SNullWidget::NullWidget;
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HostTabPtr = InHostTab;
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RestoreFromLayout(DefaultLayout);
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GenerateMenus(bCreateDefaultStandaloneMenu);
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}
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void SStandaloneAssetEditorToolkitHost::CreateDefaultStandaloneMenuBar(UToolMenu* MenuBar)
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{
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struct Local
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{
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static void ExtendFileMenu(UToolMenu* InMenuBar)
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{
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const FName MenuName = *(InMenuBar->GetMenuName().ToString() + TEXT(".") + TEXT("File"));
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UToolMenu* Menu = UToolMenus::Get()->ExtendMenu(MenuName);
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FToolMenuSection& Section = Menu->FindOrAddSection("FileLoadAndSave");
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Section.AddDynamicEntry(NAME_None, FNewToolMenuSectionDelegate::CreateLambda([](FToolMenuSection& InSection)
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{
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InSection.FindContext<UAssetEditorToolkitMenuContext>()->Toolkit.Pin()->FillDefaultFileMenuCommands(InSection);
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}));
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}
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static void FillAssetMenu(UToolMenu* InMenu)
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{
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FToolMenuSection& Section = InMenu->AddSection("AssetEditorActions", LOCTEXT("ActionsHeading", "Actions"));
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Section.AddDynamicEntry(NAME_None, FNewToolMenuSectionDelegate::CreateLambda([](FToolMenuSection& InSection)
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{
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InSection.FindContext<UAssetEditorToolkitMenuContext>()->Toolkit.Pin()->FillDefaultAssetMenuCommands(InSection);
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}));
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}
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static void ExtendHelpMenu(UToolMenu* InMenuBar)
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{
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const FName MenuName = *(InMenuBar->GetMenuName().ToString() + TEXT(".") + TEXT("Help"));
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UToolMenu* Menu = UToolMenus::Get()->ExtendMenu(MenuName);
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FToolMenuSection& Section = Menu->AddSection("HelpBrowse", NSLOCTEXT("MainHelpMenu", "Browse", "Browse"));
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Section.InsertPosition = FToolMenuInsert("HelpOnline", EToolMenuInsertType::Before);
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Section.AddDynamicEntry(NAME_None, FNewToolMenuSectionDelegate::CreateLambda([](FToolMenuSection& InSection)
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{
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InSection.FindContext<UAssetEditorToolkitMenuContext>()->Toolkit.Pin()->FillDefaultHelpMenuCommands(InSection);
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}));
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}
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};
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// Add asset-specific menu items to the top of the "File" menu
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Local::ExtendFileMenu(MenuBar);
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// Add the "Asset" menu, if we're editing an asset
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MenuBar->FindOrAddSection(NAME_None).AddDynamicEntry("DynamicAssetEntry", FNewToolMenuSectionDelegate::CreateLambda([](FToolMenuSection& InSection)
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{
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UAssetEditorToolkitMenuContext* Context = InSection.FindContext<UAssetEditorToolkitMenuContext>();
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if (Context->Toolkit.Pin()->IsActuallyAnAsset())
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{
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InSection.AddSubMenu(
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"Asset",
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LOCTEXT("AssetMenuLabel", "Asset"), // @todo toolkit major: Either use "Asset", "File", or the asset type name e.g. "Blueprint" (Also update custom pull-down menus)
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LOCTEXT("AssetMenuLabel_ToolTip", "Opens a menu with commands for managing this asset"),
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FNewToolMenuDelegate::CreateStatic(&Local::FillAssetMenu))
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.InsertPosition = FToolMenuInsert("Edit", EToolMenuInsertType::After);
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}
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}));
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// Add asset-specific menu items to the "Help" menu
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Local::ExtendHelpMenu(MenuBar);
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}
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void SStandaloneAssetEditorToolkitHost::RestoreFromLayout(const TSharedRef<FTabManager::FLayout>& NewLayout)
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{
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const TSharedRef<SDockTab> HostTab = HostTabPtr.Pin().ToSharedRef();
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HostTab->SetCanCloseTab(EditorCloseRequest);
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HostTab->SetOnTabClosed(SDockTab::FOnTabClosedCallback::CreateSP(this, &SStandaloneAssetEditorToolkitHost::OnTabClosed));
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this->ChildSlot[SNullWidget::NullWidget];
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MyTabManager->CloseAllAreas();
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TSharedPtr<SWindow> ParentWindow = FSlateApplication::Get().FindWidgetWindow(HostTab);
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TSharedPtr<SWidget> RestoredUI = MyTabManager->RestoreFrom(NewLayout, ParentWindow);
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checkf(RestoredUI.IsValid(), TEXT("The layout must have a primary dock area"));
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MenuOverlayWidgetContent.Reset();
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MenuWidgetContent.Reset();
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this->ChildSlot
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[SNew(SVerticalBox)
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// Menu bar area
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+ SVerticalBox::Slot()
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.AutoHeight()
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[SNew(SOverlay)
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// The menu bar
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+ SOverlay::Slot()
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[SAssignNew(MenuWidgetContent, SBorder)
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.Padding(0)
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.BorderImage(FEditorStyle::GetBrush("NoBorder"))
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[DefaultMenuWidget.ToSharedRef()]]
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// The menu bar overlay
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+ SOverlay::Slot()
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.HAlign(HAlign_Right)
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[SNew(SHorizontalBox) + SHorizontalBox::Slot()
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[SAssignNew(MenuOverlayWidgetContent, SBorder)
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.Padding(0)
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.BorderImage(FEditorStyle::GetBrush("NoBorder"))]]]
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// Viewport/Document/Docking area
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+ SVerticalBox::Slot()
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.Padding(1.0f)
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// Fills all leftover space
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.FillHeight(1.0f)
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[RestoredUI.ToSharedRef()]];
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}
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FName SStandaloneAssetEditorToolkitHost::GetMenuName() const
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{
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FName MenuAppName;
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if (HostedAssetEditorToolkit.IsValid())
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{
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MenuAppName = HostedAssetEditorToolkit->GetToolMenuAppName();
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}
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else
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{
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MenuAppName = AppName;
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}
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return *(FString(TEXT("AssetEditor.")) + MenuAppName.ToString() + TEXT(".MainMenu"));
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}
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void SStandaloneAssetEditorToolkitHost::GenerateMenus(bool bForceCreateMenu)
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{
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if (bForceCreateMenu || DefaultMenuWidget != SNullWidget::NullWidget)
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{
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const FName AssetEditorMenuName = GetMenuName();
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UAssetEditorToolkitMenuContext* ContextObject = NewObject<UAssetEditorToolkitMenuContext>();
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ContextObject->Toolkit = HostedAssetEditorToolkit;
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FToolMenuContext ToolMenuContext(HostedAssetEditorToolkit->GetToolkitCommands(), FExtender::Combine(MenuExtenders).ToSharedRef(), ContextObject);
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HostedAssetEditorToolkit->InitToolMenuContext(ToolMenuContext);
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IMainFrameModule& MainFrameModule = FModuleManager::LoadModuleChecked<IMainFrameModule>("MainFrame");
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DefaultMenuWidget = MainFrameModule.MakeMainMenu(MyTabManager, AssetEditorMenuName, ToolMenuContext);
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MenuWidgetContent->SetContent(DefaultMenuWidget.ToSharedRef());
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}
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}
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void SStandaloneAssetEditorToolkitHost::SetMenuOverlay(TSharedRef<SWidget> NewOverlay)
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{
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MenuOverlayWidgetContent->SetContent(NewOverlay);
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}
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SStandaloneAssetEditorToolkitHost::~SStandaloneAssetEditorToolkitHost()
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{
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// Let the toolkit manager know that we're going away now
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FToolkitManager::Get().OnToolkitHostDestroyed(this);
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HostedToolkits.Reset();
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HostedAssetEditorToolkit.Reset();
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}
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TSharedRef<SWidget> SStandaloneAssetEditorToolkitHost::GetParentWidget()
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{
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return AsShared();
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}
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void SStandaloneAssetEditorToolkitHost::BringToFront()
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{
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// If our host window is not active, force it to front to ensure the tab will be visible
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// The tab manager won't activate a tab on an inactive window in all cases
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const TSharedPtr<SDockTab> HostTab = HostTabPtr.Pin();
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if (HostTab.IsValid())
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{
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TSharedPtr<SWindow> ParentWindow = HostTab->GetParentWindow();
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if (ParentWindow.IsValid() && !ParentWindow->IsActive())
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{
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ParentWindow->BringToFront();
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}
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}
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FGlobalTabmanager::Get()->DrawAttentionToTabManager(this->MyTabManager.ToSharedRef());
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}
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TSharedRef<SDockTabStack> SStandaloneAssetEditorToolkitHost::GetTabSpot(const EToolkitTabSpot::Type TabSpot)
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{
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return TSharedPtr<SDockTabStack>().ToSharedRef();
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}
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void SStandaloneAssetEditorToolkitHost::OnToolkitHostingStarted(const TSharedRef<class IToolkit>& Toolkit)
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{
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// Keep track of the toolkit we're hosting
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HostedToolkits.Add(Toolkit);
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// The tab manager needs to know how to spawn tabs from this toolkit
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Toolkit->RegisterTabSpawners(MyTabManager.ToSharedRef());
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if (!HostedAssetEditorToolkit.IsValid())
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{
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HostedAssetEditorToolkit = StaticCastSharedRef<FAssetEditorToolkit>(Toolkit);
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}
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else
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{
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HostedAssetEditorToolkit->OnToolkitHostingStarted(Toolkit);
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}
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}
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void SStandaloneAssetEditorToolkitHost::OnToolkitHostingFinished(const TSharedRef<class IToolkit>& Toolkit)
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{
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// The tab manager should forget how to spawn tabs from this toolkit
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Toolkit->UnregisterTabSpawners(MyTabManager.ToSharedRef());
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HostedToolkits.Remove(Toolkit);
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// Standalone Asset Editors close by shutting down their major tab.
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if (Toolkit == HostedAssetEditorToolkit)
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{
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HostedAssetEditorToolkit.Reset();
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const TSharedPtr<SDockTab> HostTab = HostTabPtr.Pin();
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if (HostTab.IsValid())
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{
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HostTab->RequestCloseTab();
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}
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}
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else if (HostedAssetEditorToolkit.IsValid())
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{
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HostedAssetEditorToolkit->OnToolkitHostingFinished(Toolkit);
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}
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}
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UWorld* SStandaloneAssetEditorToolkitHost::GetWorld() const
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{
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// Currently, standalone asset editors never have a world
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UE_LOG(LogInit, Warning, TEXT("IToolkitHost::GetWorld() doesn't make sense in SStandaloneAssetEditorToolkitHost currently"));
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return NULL;
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}
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FReply SStandaloneAssetEditorToolkitHost::OnKeyDown(const FGeometry& MyGeometry, const FKeyEvent& InKeyEvent)
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{
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// Check to see if any of the actions for the level editor can be processed by the current event
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// If we are in debug mode do not process commands
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if (FSlateApplication::Get().IsNormalExecution())
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{
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// Figure out if any of our toolkit's tabs is the active tab. This is important because we want
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// the toolkit to have it's own keybinds (which may overlap the level editor's keybinds or any
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// other toolkit). When a toolkit tab is active, we give that toolkit a chance to process
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// commands instead of the level editor.
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TSharedPtr<IToolkit> ActiveToolkit;
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{
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const TSharedPtr<SDockableTab> CurrentActiveTab; // = FSlateApplication::xxxGetGlobalTabManager()->GetActiveTab();
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for (auto HostedToolkitIt = HostedToolkits.CreateConstIterator(); HostedToolkitIt && !ActiveToolkit.IsValid(); ++HostedToolkitIt)
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{
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const auto& CurToolkit = *HostedToolkitIt;
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if (CurToolkit.IsValid())
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{
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// Iterate over this toolkits spawned tabs
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const auto& ToolkitTabsInSpots = CurToolkit->GetToolkitTabsInSpots();
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for (auto CurSpotIt(ToolkitTabsInSpots.CreateConstIterator()); CurSpotIt && !ActiveToolkit.IsValid(); ++CurSpotIt)
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{
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const auto& TabsForSpot = CurSpotIt.Value();
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for (auto CurTabIt(TabsForSpot.CreateConstIterator()); CurTabIt; ++CurTabIt)
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{
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const auto& PinnedTab = CurTabIt->Pin();
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if (PinnedTab.IsValid())
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{
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if (PinnedTab == CurrentActiveTab)
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{
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ActiveToolkit = CurToolkit;
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}
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}
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}
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}
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}
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}
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}
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//@TODO: This seems wrong (should prioritize it but not totally block it)
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if (ActiveToolkit.IsValid())
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{
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// A toolkit tab is active, so direct all command processing to it
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if (ActiveToolkit->ProcessCommandBindings(InKeyEvent))
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{
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return FReply::Handled();
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}
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}
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else
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{
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// No toolkit tab is active, so let the underlying asset editor have a chance at the keystroke
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if (HostedAssetEditorToolkit->ProcessCommandBindings(InKeyEvent))
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{
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return FReply::Handled();
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|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return SCompoundWidget::OnKeyDown(MyGeometry, InKeyEvent);
|
||
|
|
}
|
||
|
|
|
||
|
|
void SStandaloneAssetEditorToolkitHost::OnTabClosed(TSharedRef<SDockTab> TabClosed) const
|
||
|
|
{
|
||
|
|
check(TabClosed == HostTabPtr.Pin());
|
||
|
|
|
||
|
|
EditorClosing.ExecuteIfBound();
|
||
|
|
MyTabManager->SetMenuMultiBox(nullptr);
|
||
|
|
|
||
|
|
if (HostedAssetEditorToolkit.IsValid())
|
||
|
|
{
|
||
|
|
const TArray<UObject*>* const ObjectsBeingEdited = HostedAssetEditorToolkit->GetObjectsCurrentlyBeingEdited();
|
||
|
|
if (ObjectsBeingEdited)
|
||
|
|
{
|
||
|
|
const bool IsDockedAssetEditor = TabClosed->HasSiblingTab(FName("DockedToolkit"), false /*TreatIndexNoneAsWildcard*/);
|
||
|
|
const EAssetEditorToolkitTabLocation AssetEditorToolkitTabLocation = (IsDockedAssetEditor) ? EAssetEditorToolkitTabLocation::Docked : EAssetEditorToolkitTabLocation::Standalone;
|
||
|
|
for (const UObject* ObjectBeingEdited: *ObjectsBeingEdited)
|
||
|
|
{
|
||
|
|
// Only record assets that have a valid saved package
|
||
|
|
UPackage* const Package = ObjectBeingEdited->GetOutermost();
|
||
|
|
if (Package && Package->GetFileSize())
|
||
|
|
{
|
||
|
|
GConfig->SetInt(
|
||
|
|
TEXT("AssetEditorToolkitTabLocation"),
|
||
|
|
*ObjectBeingEdited->GetPathName(),
|
||
|
|
static_cast<int32>(AssetEditorToolkitTabLocation),
|
||
|
|
GEditorPerProjectIni);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#undef LOCTEXT_NAMESPACE
|