68 lines
2.4 KiB
C++
68 lines
2.4 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "UObject/ObjectMacros.h"
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#include "GameplayTagContainer.h"
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#include "Components/DynamicEntryBoxBase.h"
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#include "UIExtensionSystem.h"
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#include "UIExtensionPointWidget.generated.h"
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class UCommonLocalPlayer;
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class APlayerState;
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/**
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* A slot that defines a location in a layout, where content can be added later
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*/
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UCLASS()
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class UIEXTENSION_API UUIExtensionPointWidget : public UDynamicEntryBoxBase
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{
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GENERATED_BODY()
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public:
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DECLARE_DYNAMIC_DELEGATE_RetVal_OneParam(TSubclassOf<UUserWidget>, FOnGetWidgetClassForData, UObject*, DataItem);
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DECLARE_DYNAMIC_DELEGATE_TwoParams(FOnConfigureWidgetForData, UUserWidget*, Widget, UObject*, DataItem);
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UUIExtensionPointWidget(const FObjectInitializer& ObjectInitializer);
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//~UWidget interface
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virtual void ReleaseSlateResources(bool bReleaseChildren) override;
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virtual TSharedRef<SWidget> RebuildWidget() override;
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#if WITH_EDITOR
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virtual void ValidateCompiledDefaults(IWidgetCompilerLog& CompileLog) const override;
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#endif
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//~End of UWidget interface
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private:
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void ResetExtensionPoint();
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void RegisterExtensionPoint();
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void RegisterExtensionPointForPlayerState(UCommonLocalPlayer* LocalPlayer, APlayerState* PlayerState);
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void OnAddOrRemoveExtension(EUIExtensionAction Action, const FUIExtensionRequest& Request);
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protected:
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/** The tag that defines this extension point */
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "UI Extension")
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FGameplayTag ExtensionPointTag;
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/** How exactly does the extension need to match the extension point tag. */
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "UI Extension")
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EUIExtensionPointMatch ExtensionPointTagMatch = EUIExtensionPointMatch::ExactMatch;
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "UI Extension")
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TArray<TObjectPtr<UClass>> DataClasses;
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category="UI Extension", meta=( IsBindableEvent="True" ))
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FOnGetWidgetClassForData GetWidgetClassForData;
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UPROPERTY(EditAnywhere, BlueprintReadOnly, Category="UI Extension", meta=( IsBindableEvent="True" ))
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FOnConfigureWidgetForData ConfigureWidgetForData;
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TArray<FUIExtensionPointHandle> ExtensionPointHandles;
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UPROPERTY(Transient)
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TMap<FUIExtensionHandle, UUserWidget*> ExtensionMapping;
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};
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