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369 lines
11 KiB
C++
369 lines
11 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "MVVMBlueprintView.h"
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#include "Components/Widget.h"
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#include "Kismet2/BlueprintEditorUtils.h"
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#include "MVVMBlueprintViewConversionFunction.h"
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#include "MVVMWidgetBlueprintExtension_View.h"
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#include "WidgetBlueprint.h"
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#include "UObject/FortniteMainBranchObjectVersion.h"
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#include UE_INLINE_GENERATED_CPP_BY_NAME(MVVMBlueprintView)
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UMVVMBlueprintView::UMVVMBlueprintView()
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{
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Settings = CreateDefaultSubobject<UMVVMBlueprintViewSettings>("Settings");
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}
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FMVVMBlueprintViewModelContext* UMVVMBlueprintView::FindViewModel(FGuid ViewModelId)
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{
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return AvailableViewModels.FindByPredicate([ViewModelId](const FMVVMBlueprintViewModelContext& Other)
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{
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return Other.GetViewModelId() == ViewModelId;
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});
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}
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const FMVVMBlueprintViewModelContext* UMVVMBlueprintView::FindViewModel(FGuid ViewModelId) const
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{
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return const_cast<UMVVMBlueprintView*>(this)->FindViewModel(ViewModelId);
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}
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const FMVVMBlueprintViewModelContext* UMVVMBlueprintView::FindViewModel(FName ViewModel) const
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{
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return AvailableViewModels.FindByPredicate([ViewModel](const FMVVMBlueprintViewModelContext& Other)
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{
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return Other.GetViewModelName() == ViewModel;
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});
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}
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void UMVVMBlueprintView::AddViewModel(const FMVVMBlueprintViewModelContext& NewContext)
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{
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AvailableViewModels.Add(NewContext);
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FBlueprintEditorUtils::MarkBlueprintAsStructurallyModified(GetOuterUMVVMWidgetBlueprintExtension_View()->GetWidgetBlueprint());
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OnViewModelsUpdated.Broadcast();
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}
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bool UMVVMBlueprintView::RemoveViewModel(FGuid ViewModelId)
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{
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int32 Count = AvailableViewModels.RemoveAll([ViewModelId](const FMVVMBlueprintViewModelContext& VM)
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{
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return VM.GetViewModelId() == ViewModelId;
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});
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if (Count > 0)
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{
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FBlueprintEditorUtils::MarkBlueprintAsStructurallyModified(GetOuterUMVVMWidgetBlueprintExtension_View()->GetWidgetBlueprint());
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OnViewModelsUpdated.Broadcast();
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}
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return Count > 0;
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}
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int32 UMVVMBlueprintView::RemoveViewModels(const TArrayView<FGuid> ViewModelIds)
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{
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int32 Count = 0;
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for (const FGuid& ViewModelId : ViewModelIds)
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{
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Count += AvailableViewModels.RemoveAll([ViewModelId](const FMVVMBlueprintViewModelContext& VM)
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{
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return VM.GetViewModelId() == ViewModelId;
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});
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}
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if (Count > 0)
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{
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FBlueprintEditorUtils::MarkBlueprintAsStructurallyModified(GetOuterUMVVMWidgetBlueprintExtension_View()->GetWidgetBlueprint());
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OnViewModelsUpdated.Broadcast();
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}
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return Count;
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}
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bool UMVVMBlueprintView::RenameViewModel(FName OldViewModelName, FName NewViewModelName)
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{
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FMVVMBlueprintViewModelContext* ViewModelContext = AvailableViewModels.FindByPredicate([OldViewModelName](const FMVVMBlueprintViewModelContext& Other)
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{
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return Other.GetViewModelName() == OldViewModelName;
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});
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if (ViewModelContext)
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{
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ViewModelContext->ViewModelName = NewViewModelName;
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FBlueprintEditorUtils::ReplaceVariableReferences(GetOuterUMVVMWidgetBlueprintExtension_View()->GetWidgetBlueprint(), OldViewModelName, NewViewModelName);
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FBlueprintEditorUtils::ValidateBlueprintChildVariables(GetOuterUMVVMWidgetBlueprintExtension_View()->GetWidgetBlueprint(), NewViewModelName);
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FBlueprintEditorUtils::MarkBlueprintAsStructurallyModified(GetOuterUMVVMWidgetBlueprintExtension_View()->GetWidgetBlueprint());
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OnViewModelsUpdated.Broadcast();
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}
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return ViewModelContext != nullptr;
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}
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const FMVVMBlueprintViewBinding* UMVVMBlueprintView::FindBinding(const UWidget* Widget, const FProperty* Property) const
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{
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return const_cast<UMVVMBlueprintView*>(this)->FindBinding(Widget, Property);
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}
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FMVVMBlueprintViewBinding* UMVVMBlueprintView::FindBinding(const UWidget* Widget, const FProperty* Property)
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{
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FName WidgetName = Widget->GetFName();
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return Bindings.FindByPredicate([WidgetBlueprint = GetOuterUMVVMWidgetBlueprintExtension_View()->GetWidgetBlueprint(), WidgetName, Property](const FMVVMBlueprintViewBinding& Binding)
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{
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return Binding.DestinationPath.GetWidgetName() == WidgetName &&
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Binding.DestinationPath.PropertyPathContains(WidgetBlueprint->GeneratedClass, UE::MVVM::FMVVMConstFieldVariant(Property));
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});
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}
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void UMVVMBlueprintView::RemoveBindingAt(int32 Index)
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{
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if (Bindings.IsValidIndex(Index))
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{
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if (Bindings[Index].Conversion.SourceToDestinationConversion)
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{
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Bindings[Index].Conversion.SourceToDestinationConversion->RemoveWrapperGraph(GetOuterUMVVMWidgetBlueprintExtension_View()->GetWidgetBlueprint());
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}
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if (Bindings[Index].Conversion.DestinationToSourceConversion)
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{
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Bindings[Index].Conversion.DestinationToSourceConversion->RemoveWrapperGraph(GetOuterUMVVMWidgetBlueprintExtension_View()->GetWidgetBlueprint());
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}
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Bindings.RemoveAt(Index);
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OnBindingsUpdated.Broadcast();
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}
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}
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void UMVVMBlueprintView::RemoveBinding(const FMVVMBlueprintViewBinding* Binding)
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{
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int32 Index = 0;
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for (; Index < Bindings.Num(); ++Index)
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{
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if (&Bindings[Index] == Binding)
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{
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break;
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}
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}
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RemoveBindingAt(Index);
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}
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FMVVMBlueprintViewBinding& UMVVMBlueprintView::AddBinding(const UWidget* Widget, const FProperty* Property)
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{
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FMVVMBlueprintViewBinding& NewBinding = Bindings.AddDefaulted_GetRef();
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NewBinding.DestinationPath.SetWidgetName(Widget->GetFName());
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NewBinding.DestinationPath.SetPropertyPath(GetOuterUMVVMWidgetBlueprintExtension_View()->GetWidgetBlueprint(), UE::MVVM::FMVVMConstFieldVariant(Property));
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NewBinding.BindingId = FGuid::NewGuid();
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OnBindingsAdded.Broadcast();
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OnBindingsUpdated.Broadcast();
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return NewBinding;
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}
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FMVVMBlueprintViewBinding& UMVVMBlueprintView::AddDefaultBinding()
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{
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FMVVMBlueprintViewBinding& NewBinding = Bindings.AddDefaulted_GetRef();
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NewBinding.BindingId = FGuid::NewGuid();
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OnBindingsAdded.Broadcast();
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OnBindingsUpdated.Broadcast();
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return NewBinding;
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}
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FMVVMBlueprintViewBinding* UMVVMBlueprintView::GetBindingAt(int32 Index)
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{
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if (Bindings.IsValidIndex(Index))
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{
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return &Bindings[Index];
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}
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return nullptr;
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}
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const FMVVMBlueprintViewBinding* UMVVMBlueprintView::GetBindingAt(int32 Index) const
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{
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if (Bindings.IsValidIndex(Index))
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{
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return &Bindings[Index];
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}
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return nullptr;
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}
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FMVVMBlueprintViewBinding* UMVVMBlueprintView::GetBinding(FGuid Id)
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{
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return Bindings.FindByPredicate([Id](const FMVVMBlueprintViewBinding& Binding){ return Id == Binding.BindingId; });
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}
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const FMVVMBlueprintViewBinding* UMVVMBlueprintView::GetBinding(FGuid Id) const
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{
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return Bindings.FindByPredicate([Id](const FMVVMBlueprintViewBinding& Binding) { return Id == Binding.BindingId; });
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}
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TArray<FText> UMVVMBlueprintView::GetBindingMessages(FGuid Id, UE::MVVM::EBindingMessageType InMessageType) const
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{
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TArray<FText> Results;
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if (BindingMessages.Contains(Id))
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{
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const TArray<UE::MVVM::FBindingMessage>& AllBindingMessages = BindingMessages[Id];
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for (const UE::MVVM::FBindingMessage& Message : AllBindingMessages)
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{
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if (Message.MessageType == InMessageType)
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{
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Results.Add(Message.MessageText);
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}
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}
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}
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return Results;
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}
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bool UMVVMBlueprintView::HasBindingMessage(FGuid Id, UE::MVVM::EBindingMessageType InMessageType) const
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{
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if (const TArray<UE::MVVM::FBindingMessage>* FoundBindingMessages = BindingMessages.Find(Id))
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{
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for (const UE::MVVM::FBindingMessage& Message : *FoundBindingMessages)
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{
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if (Message.MessageType == InMessageType)
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{
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return true;
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}
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}
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}
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return false;
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}
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void UMVVMBlueprintView::AddMessageToBinding(FGuid Id, UE::MVVM::FBindingMessage MessageToAdd)
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{
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TArray<UE::MVVM::FBindingMessage>& FoundBindingMessages = BindingMessages.FindOrAdd(Id);
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FoundBindingMessages.Add(MessageToAdd);
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}
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void UMVVMBlueprintView::ResetBindingMessages()
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{
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BindingMessages.Reset();
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}
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void UMVVMBlueprintView::Serialize(FArchive& Ar)
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{
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Super::Serialize(Ar);
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Ar.UsingCustomVersion(FFortniteMainBranchObjectVersion::GUID);
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}
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#if WITH_EDITOR
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void UMVVMBlueprintView::PostLoad()
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{
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Super::PostLoad();
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for (FMVVMBlueprintViewBinding& Binding : Bindings)
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{
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if (!Binding.BindingId.IsValid())
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{
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Binding.BindingId = FGuid::NewGuid();
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}
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}
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GetOuterUMVVMWidgetBlueprintExtension_View()->ConditionalPostLoad();
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GetOuterUMVVMWidgetBlueprintExtension_View()->GetWidgetBlueprint()->ConditionalPostLoad();
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// Make sure all bindings uses the skeletal class
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if (GetLinkerCustomVersion(FFortniteMainBranchObjectVersion::GUID) < FFortniteMainBranchObjectVersion::MVVMConvertPropertyPathToSkeletalClass)
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{
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const UWidgetBlueprint* ThisWidgetBlueprint = GetOuterUMVVMWidgetBlueprintExtension_View()->GetWidgetBlueprint();
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for (FMVVMBlueprintViewBinding& Binding : Bindings)
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{
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for (const FMVVMBlueprintFieldPath& FieldPath : Binding.SourcePath.GetFieldPaths())
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{
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const_cast<FMVVMBlueprintFieldPath&>(FieldPath).SetDeprecatedSelfReference(ThisWidgetBlueprint);
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}
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for (const FMVVMBlueprintFieldPath& FieldPath : Binding.DestinationPath.GetFieldPaths())
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{
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const_cast<FMVVMBlueprintFieldPath&>(FieldPath).SetDeprecatedSelfReference(ThisWidgetBlueprint);
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}
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}
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}
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for (FMVVMBlueprintViewBinding& Binding : Bindings)
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{
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Binding.Conversion.DeprecateViewConversionFunction(GetOuterUMVVMWidgetBlueprintExtension_View()->GetWidgetBlueprint());
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}
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}
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void UMVVMBlueprintView::PreSave(FObjectPreSaveContext Context)
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{
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UWidgetBlueprint* WidgetBlueprint = GetOuterUMVVMWidgetBlueprintExtension_View()->GetWidgetBlueprint();
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for (FMVVMBlueprintViewBinding& Binding : Bindings)
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{
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Binding.Conversion.SavePinValues(WidgetBlueprint);
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}
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Super::PreSave(Context);
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}
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void UMVVMBlueprintView::PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent)
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{
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Super::PostEditChangeProperty(PropertyChangedEvent);
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if (PropertyChangedEvent.Property && PropertyChangedEvent.Property->GetFName() == GET_MEMBER_NAME_CHECKED(UMVVMBlueprintView, Bindings))
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{
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OnBindingsUpdated.Broadcast();
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}
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if (PropertyChangedEvent.Property && PropertyChangedEvent.Property->GetFName() == GET_MEMBER_NAME_CHECKED(UMVVMBlueprintView, AvailableViewModels))
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{
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OnViewModelsUpdated.Broadcast();
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}
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}
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void UMVVMBlueprintView::PostEditChangeChainProperty(FPropertyChangedChainEvent& PropertyChainEvent)
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{
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Super::PostEditChangeChainProperty(PropertyChainEvent);
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if (PropertyChainEvent.PropertyChain.Contains(UMVVMBlueprintView::StaticClass()->FindPropertyByName(GET_MEMBER_NAME_CHECKED(UMVVMBlueprintView, Bindings))))
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{
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OnBindingsUpdated.Broadcast();
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}
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if (PropertyChainEvent.PropertyChain.Contains(UMVVMBlueprintView::StaticClass()->FindPropertyByName(GET_MEMBER_NAME_CHECKED(UMVVMBlueprintView, AvailableViewModels))))
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{
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OnViewModelsUpdated.Broadcast();
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}
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}
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void UMVVMBlueprintView::AddAssetTags(TArray<FAssetRegistryTag>& OutTags) const
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{
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if (AvailableViewModels.Num() > 0)
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{
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TStringBuilder<512> Builder;
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for (const FMVVMBlueprintViewModelContext& Context : AvailableViewModels)
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{
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if (Context.IsValid())
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{
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if (Builder.Len() > 0)
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{
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Builder << TEXT(',');
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}
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Builder << Context.GetViewModelClass()->GetPathName();
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}
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}
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if (Builder.Len() > 0)
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{
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OutTags.Emplace(FName("Viewmodels"), Builder.ToString(), FAssetRegistryTag::TT_Hidden);
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}
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}
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}
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void UMVVMBlueprintView::WidgetRenamed(FName OldObjectName, FName NewObjectName)
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{
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bool bRenamed = false;
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for (FMVVMBlueprintViewBinding& Binding : Bindings)
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{
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if (Binding.DestinationPath.GetWidgetName() == OldObjectName)
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{
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Binding.DestinationPath.SetWidgetName(NewObjectName);
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bRenamed = true;
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}
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}
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if (bRenamed)
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{
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OnBindingsUpdated.Broadcast();
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}
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}
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#endif
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