// Copyright Epic Games, Inc. All Rights Reserved.

#pragma once

#include "CoreMinimal.h"
#include "Widgets/Docking/SDockTab.h"
#include "ViewportTabContent.h"

class FEditorViewportLayout;
/**
 * Represents the content in a viewport tab in an editor.
 * Each SDockTab holding viewports in an editor contains and owns one of these.
 */
class UNREALED_API FEditorViewportTabContent: public FViewportTabContent
    , public TSharedFromThis<FEditorViewportTabContent>
{
public:
    /** Returns whether the tab is currently shown */
    bool IsVisible() const;

    /** @return True if this viewport belongs to the tab given */
    bool BelongsToTab(TSharedRef<class SDockTab> InParentTab) const;

    /** @return The string used to identify the layout of this viewport tab */
    const FString& GetLayoutString() const
    {
        return LayoutString;
    }

    const TSharedPtr<class FEditorViewportLayout> GetActiveViewportLayout() const
    {
        return ActiveViewportLayout;
    }

    TSharedPtr<class FEditorViewportLayout> ConstructViewportLayoutByTypeName(const FName& TypeName, bool bSwitchingLayouts);

    void Initialize(TFunction<TSharedRef<SEditorViewport>(void)> Func, TSharedPtr<SDockTab> InParentTab, const FString& InLayoutString);

    /**
     * Sets the current layout by changing the contained layout object
     *
     * @param ConfigurationName		The name of the layout (for the names in namespace EditorViewportConfigurationNames)
     */
    void SetViewportConfiguration(TFunction<TSharedRef<SEditorViewport>(void)>& Func, const FName& ConfigurationName);

    void SetViewportConfiguration(const FName& ConfigurationName) override;
    TSharedPtr<SEditorViewport> GetFirstViewport();

    void UpdateViewportTabWidget(TFunction<TSharedRef<SEditorViewport>(void)>& Func);

    /** Save any configuration required to persist state for this viewport layout */
    void SaveConfig() const;

private:
    TFunction<TSharedRef<SEditorViewport>(void)> ViewportCreationFunc;
};