第一次提交

Plugins/GGS/Source/GenericUISystem/Private/UI/Actions/GUIS_UIActionWidget.cpp

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+// Copyright 2025 https://yuewu.dev/en  All Rights Reserved.
+
+
+#include "UI/Actions/GUIS_UIActionWidget.h"
+
+#include "GUIS_LogChannels.h"
+#include "Input/CommonUIInputTypes.h"
+#include "UI/GUIS_GameplayTags.h"
+#include "UI/Actions/GUIS_AsyncAction_ShowModel.h"
+#include "UI/Actions/GUIS_UIActionFactory.h"
+
+void UGUIS_UIActionWidget::SetAssociatedData(UObject* Data)
+{
+	if (Data == nullptr)
+	{
+		UnregisterActions();
+	}
+	AssociatedData = Data;
+}
+
+void UGUIS_UIActionWidget::RegisterActions()
+{
+	if (!AssociatedData.IsValid())
+	{
+		return;
+	}
+
+	if (!IsValid(ActionFactory))
+	{
+		return;
+	}
+
+	TArray<UGUIS_UIAction*> Actions = ActionFactory->FindAvailableUIActionsForData(AssociatedData.Get());
+
+	for (const UGUIS_UIAction* Action : Actions)
+	{
+		if (Action->CanInvoke(AssociatedData.Get(), GetOwningPlayer()))
+		{
+			FBindUIActionArgs BindArgs(Action->GetInputActionData(), Action->GetShouldDisplayInActionBar(),
+			                           FSimpleDelegate::CreateLambda([this,Action]()
+			                           {
+				                           HandleUIAction(Action);
+			                           }));
+
+			ActionBindings.Add(RegisterUIActionBinding(BindArgs));
+		}
+	}
+}
+
+void UGUIS_UIActionWidget::RegisterActionsWithFactory(TSoftObjectPtr<UGUIS_UIActionFactory> InActionFactory)
+{
+	if (InActionFactory.IsNull())
+	{
+		UE_LOG(LogGUIS, Warning, TEXT("Passed invalid action factory!"))
+		return;
+	}
+
+	UGUIS_UIActionFactory* Factory = InActionFactory.LoadSynchronous();
+
+	if (Factory == nullptr)
+	{
+		UE_LOG(LogGUIS, Warning, TEXT("Failed to load action factory!"))
+		return;
+	}
+
+	ActionFactory = Factory;
+
+	RegisterActions();
+}
+
+void UGUIS_UIActionWidget::UnregisterActions()
+{
+	for (FUIActionBindingHandle& ActionBinding : ActionBindings)
+	{
+		ActionBinding.Unregister();
+	}
+
+	ActionBindings.Empty();
+	CancelAction();
+}
+
+void UGUIS_UIActionWidget::CancelAction()
+{
+	if (ModalTask)
+	{
+		ModalTask->OnModalAction.RemoveDynamic(this, &ThisClass::HandleModalAction);
+		ModalTask->Cancel();
+		ModalTask = nullptr;
+	}
+	CurrentAction = nullptr;
+}
+
+#if WITH_EDITOR
+const FText UGUIS_UIActionWidget::GetPaletteCategory()
+{
+	return FText::FromString(TEXT("Generic UI"));
+}
+#endif
+
+void UGUIS_UIActionWidget::HandleUIAction(const UGUIS_UIAction* Action)
+{
+	if (ModalTask && ModalTask->IsActive())
+	{
+		return;
+	}
+	if (AssociatedData.IsValid())
+	{
+		if (Action->GetRequiresConfirmation() && !Action->GetConfirmationModalClass().IsNull())
+		{
+			ModalTask = UGUIS_AsyncAction_ShowModel::ShowModal(GetWorld(), Action->GetConfirmationModalClass());
+			CurrentAction = Action;
+			ModalTask->OnModalAction.AddDynamic(this, &ThisClass::HandleModalAction);
+			ModalTask->Activate();
+		}
+		else
+		{
+			if (Action->CanInvoke(AssociatedData.Get(), GetOwningPlayer()))
+			{
+				Action->InvokeAction(AssociatedData.Get(), GetOwningPlayer());
+			}
+		}
+	}
+}
+
+void UGUIS_UIActionWidget::HandleModalAction(FGameplayTag ActionTag)
+{
+	if (ActionTag == GUIS_GameModalActionTags::Yes || ActionTag == GUIS_GameModalActionTags::Ok)
+	{
+		if (CurrentAction && CurrentAction->CanInvoke(AssociatedData.Get(), GetOwningPlayer()))
+		{
+			CurrentAction->InvokeAction(AssociatedData.Get(), GetOwningPlayer());
+		}
+		CancelAction();
+	}
+	if (ActionTag == GUIS_GameModalActionTags::No)
+	{
+		CancelAction();
+	}
+}