// 

#pragma once

#include "CoreMinimal.h"

#include "UI/Common/GUIS_ListEntry.h"
#include "ItemStack_Base.generated.h"

class UItemDataDragDropOperation;
class UItemDataDraggingWidget;
class UAmountContainerBase;
class USizeBox;
class UMenuAnchor;
class UGUIS_UIActionWidget;
class UGUIS_UIActionFactory;
class UItemData;
/**
 * 
 */
UCLASS()
class PHYINVENTORY_API UItemStack_Base : public UGUIS_ListEntry
{
	GENERATED_BODY()
	
private:
	UPROPERTY()
	UItemData* ItemData;
    UPROPERTY(meta=(BindWidgetOptional))
	UGUIS_UIActionWidget* DynamicUIActionWidget;
	UPROPERTY(EditAnywhere, Category="Config")
	TSoftObjectPtr<UGUIS_UIActionFactory> UIActionFactory;
	UPROPERTY(meta=(BindWidgetOptional))
	UMenuAnchor* ActionsAnchor;
	UPROPERTY(meta=(BindWidgetOptional))
	UAmountContainerBase* AmountContainer;
	UPROPERTY(EditAnywhere, Category="Config")
	TEnumAsByte<EHorizontalAlignment> ActionAnchorHorizontalAlignment = HAlign_Right;
	UPROPERTY(EditAnywhere, Category="Config")
	TEnumAsByte<EVerticalAlignment> ActionAnchorVerticalAlignment = VAlign_Center;
	UPROPERTY(EditAnywhere, Category="Config")
	TSubclassOf<UItemDataDraggingWidget> DraggingWidgetClass;
protected:
	virtual void UpdateAmount();
	virtual void ResetState();
	virtual void NativeOnListItemObjectSet(UObject* ListItemObject) override;
	
	virtual void NativeOnEntryReleased() override;
	virtual void NativePreConstruct() override;
	virtual void NativeOnDeselected(bool bBroadcast) override;
	virtual void NativeOnSelected(bool bBroadcast) override;
	
	// 拖拽操作
	// 从这个item发起拖拽得时候调用
	UItemDataDragDropOperation* DragFromSource(const FString& Tag);
	// 放下到这个item的时候调用
	void DropToDest(UItemDataDragDropOperation& DragOperation) const;
	virtual void NativeOnDragDetected(const FGeometry& InGeometry, const FPointerEvent& InMouseEvent, UDragDropOperation*& OutOperation) override;
	virtual bool NativeOnDrop(const FGeometry& InGeometry, const FDragDropEvent& InDragDropEvent, UDragDropOperation* InOperation) override;
};