SArticyRefProperty.h

//  
// Copyright (c) 2023 articy Software GmbH & Co. KG. All rights reserved.  
//
 
#pragma once
 
#include "CoreMinimal.h"
#include "Slate/AssetPicker/SArticyObjectTileView.h"
#include "Customizations/ArticyEditorCustomizationManager.h"
#include "SArticyIdProperty.h"
#include "AssetPicker/SArticyObjectAssetPicker.h"

 
DECLARE_DELEGATE_OneParam(FOnArticyRefChanged, const FArticyRef&);

class ARTICYEDITOR_API SArticyRefProperty : public SCompoundWidget
{
public:
 
    SLATE_BEGIN_ARGS(SArticyRefProperty)
        : _ArticyRefToDisplay(FArticyRef())
        , _TopLevelClassRestriction(UArticyObject::StaticClass())
        , _bExactClass(false)
        , _bExactClassEditable(true)
        , _bIsReadOnly(false)
        {}
        SLATE_ATTRIBUTE(FArticyRef, ArticyRefToDisplay)
        SLATE_EVENT(FOnArticyRefChanged, OnArticyRefChanged)
        SLATE_ATTRIBUTE(UClass*, TopLevelClassRestriction)
        SLATE_ATTRIBUTE(bool, bExactClass)
        SLATE_ATTRIBUTE(bool, bExactClassEditable)
        SLATE_ATTRIBUTE(bool, bIsReadOnly)
    SLATE_END_ARGS()
 
    
    void Construct(const FArguments& InArgs);

    virtual void Tick(const FGeometry& AllottedGeometry, const double InCurrentTime, const float InDeltaTime) override;

    void CreateInternalWidgets();
 
private:
    TAttribute<FArticyRef> ArticyRefToDisplay;
    FOnArticyRefChanged OnArticyRefChanged;
    TAttribute<UClass*> TopLevelClassRestriction;
    TAttribute<bool> bExactClass;
    TAttribute<bool> bExactClassEditable;
    TAttribute<bool> bClassFilterEditable;
    TAttribute<bool> bIsReadOnly;

    void OnArticyIdChanged(const FArticyId& ArticyId);

    FArticyId GetArticyIdToDisplay() const;
 
    // the articy object this widget currently represents
    TWeakObjectPtr<UArticyObject> CachedArticyObject = nullptr;
    mutable FArticyRef CachedArticyRef = FArticyRef();
 
    TSharedPtr<SArticyIdProperty> ArticyIdProperty;
    TSharedPtr<FExtender> ArticyIdExtender;
 
private:
    void CreateAdditionalRefWidgets(FToolBarBuilder& Builder);

    void Update(const FArticyRef& NewRef);

    void UpdateWidget();
 
private:
    void OnCopyProperty() const;

    void OnPasteProperty();

    bool CanPasteProperty() const;
};