135 lines
3.9 KiB
C++
135 lines
3.9 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "WidgetBlueprintExtension.h"
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#include "MVVMDeveloperProjectSettings.h"
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#include "MVVMWidgetBlueprintExtension_View.generated.h"
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class UMVVMBlueprintView;
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class UMVVMBlueprintViewExtension;
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class FWidgetBlueprintCompilerContext;
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class UWidgetBlueprintGeneratedClass;
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namespace UE::MVVM
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{
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class FClipboardExtension;
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}
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namespace UE::MVVM::Private
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{
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struct FMVVMViewBlueprintCompiler;
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} //namespace
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USTRUCT()
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struct FMVVMExtensionItem
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{
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GENERATED_BODY()
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UPROPERTY()
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FName WidgetName = NAME_None;
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UPROPERTY()
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FGuid ViewmodelId = FGuid();
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UPROPERTY()
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TObjectPtr<UMVVMBlueprintViewExtension> ExtensionObj;
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bool operator==(const FMVVMExtensionItem& OtherExt) const
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{
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return OtherExt.WidgetName == WidgetName
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&& OtherExt.ExtensionObj == ExtensionObj
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&& OtherExt.ViewmodelId == ViewmodelId;
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}
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};
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/**
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*
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*/
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UCLASS()
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class MODELVIEWVIEWMODELBLUEPRINT_API UMVVMWidgetBlueprintExtension_View : public UWidgetBlueprintExtension
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{
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GENERATED_BODY()
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public:
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void CreateBlueprintViewInstance();
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void DestroyBlueprintViewInstance();
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UMVVMBlueprintView* GetBlueprintView()
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{
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return BlueprintView;
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}
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const UMVVMBlueprintView* GetBlueprintView() const
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{
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return BlueprintView;
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}
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FSimpleMulticastDelegate& OnBlueprintViewChangedDelegate()
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{
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return BlueprintViewChangedDelegate;
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}
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const TArrayView<const FName> GetGeneratedFunctions() const
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{
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return GeneratedFunctions;
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}
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public:
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//~ Begin UObject interface
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virtual void PostLoad() override;
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#if WITH_EDITORONLY_DATA
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virtual void PostInitProperties() override;
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#endif
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//~ End UObject interface
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//~ Begin UWidgetBlueprintExtension interface
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virtual void HandlePreloadObjectsForCompilation(UBlueprint* OwningBlueprint) override;
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virtual void HandleBeginCompilation(FWidgetBlueprintCompilerContext& InCreationContext) override;
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virtual void HandleCleanAndSanitizeClass(UWidgetBlueprintGeneratedClass* ClassToClean, UObject* OldCDO) override;
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virtual void HandlePopulateGeneratedVariables(const FWidgetBlueprintCompilerContext::FPopulateGeneratedVariablesContext& Context) override;
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virtual void HandleCreateClassVariablesFromBlueprint(const FWidgetBlueprintCompilerContext::FCreateVariableContext& Context) override;
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virtual void HandleCreateFunctionList(const FWidgetBlueprintCompilerContext::FCreateFunctionContext& Context) override;
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virtual void HandleFinishCompilingClass(UWidgetBlueprintGeneratedClass* Class) override;
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virtual void HandleEndCompilation() override;
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virtual FSearchData HandleGatherSearchData(const UBlueprint* OwningBlueprint) const override;
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//~ End UWidgetBlueprintExtension interface
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void VerifyWidgetExtensions();
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void OnFieldRenamed(UClass* FieldOwnerClass, FName OldName, FName NewName);
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void RenameWidgetExtensions(FName OldWidgetName, FName NewWidgetName);
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UMVVMBlueprintViewExtension* CreateBlueprintWidgetExtension(TSubclassOf<UMVVMBlueprintViewExtension> ExtensionClass, FName WidgetName);
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void RemoveBlueprintWidgetExtension(UMVVMBlueprintViewExtension* ExtensionToRemove, FName WidgetName);
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TArray<UMVVMBlueprintViewExtension*> GetBlueprintExtensionsForWidget(FName WidgetName) const;
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TArray<UMVVMBlueprintViewExtension*> GetAllBlueprintExtensions() const;
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void SetFilterSettings(FMVVMViewBindingFilterSettings InFilterSettings);
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FMVVMViewBindingFilterSettings GetFilterSettings() const
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{
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return FilterSettings;
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}
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UPROPERTY(Transient)
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TMap<FGuid, TWeakObjectPtr<UObject>> TemporaryViewModelInstances;
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private:
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UPROPERTY(Instanced)
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TObjectPtr<UMVVMBlueprintView> BlueprintView;
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UPROPERTY(Transient)
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FMVVMViewBindingFilterSettings FilterSettings;
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UPROPERTY(Transient)
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TArray<FName> GeneratedFunctions;
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FSimpleMulticastDelegate BlueprintViewChangedDelegate;
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TPimplPtr<UE::MVVM::Private::FMVVMViewBlueprintCompiler> CurrentCompilerContext;
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UPROPERTY()
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TArray<FMVVMExtensionItem> BlueprintExtensions;
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friend UE::MVVM::Private::FMVVMViewBlueprintCompiler;
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friend UE::MVVM::FClipboardExtension;
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};
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