WSButtonGroup.h

 
#pragma once
 
#include "CoreMinimal.h"
 
#include "Widgets/WSBase.h"
#include "Widgets/WSButtonBase.h"
#include "Widgets/Modern/WSModernCheckBox.h"
#include "WSButtonGroup.generated.h"
 
DECLARE_DYNAMIC_MULTICAST_DELEGATE(FWSButtonGroupChangedDelegate);
DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FWSButtonGroupDelegate, int32, Index);
 
UCLASS()
class WIDGETSTUDIORUNTIME_API UWidgetStudioButtonGroup : public UWidgetStudioBase
{
    GENERATED_BODY()
 
    virtual void NativePreConstruct() override;
    virtual void NativeConstruct() override;
    virtual void SynchronizeProperties() override;;
 
protected:
    
    UFUNCTION()
    void OnButtonPressed(UWidgetStudioButtonBase* Button);
 
    UFUNCTION()
    void UpdateCurrentIndex();
 
    UFUNCTION()
    void UpdateButtonCheckedStates();
 
private:
    /* The button selection method.
     * Inclusive: Multiple buttons can be selected at a time.
     * Exclusive: Only a single button can be selected at a time.
     */
    UPROPERTY(EditAnywhere, Category = "Widget Studio")
    EClusivity SelectionMethod = EClusivity::Exclusive;
 
    UPROPERTY(EditAnywhere, Category = "Widget Studio")
    int32 CurrentIndex = -1;
 
    UPROPERTY(EditAnywhere, Category = "Widget Studio")
    TArray<UWidgetStudioButtonBase*> Buttons;
 
    UPROPERTY()
    TArray<UWidgetStudioButtonBase*> ManagedButtons = {};
 
    UPROPERTY()
    UWidgetStudioButtonBase* CurrentButton = nullptr;
 
public:
    /* Bindings */
 
    UPROPERTY(BlueprintAssignable, Category = "Widget Studio|Event")
    FWSButtonGroupDelegate OnCurrentIndexChanged;
 
    UPROPERTY(BlueprintAssignable, Category = "Widget Studio|Event")
    FWSButtonGroupChangedDelegate OnButtonsChanged;
 
    
    /* Helpers */
 
    UFUNCTION(BlueprintPure, Category = "Widget Studio|Helper")
    int32 GetCurrentIndex() const;
 
    UFUNCTION(BlueprintPure, Category = "Widget Studio|Helper")
    TArray<UWidgetStudioButtonBase*> GetButtons() const;
 
    UFUNCTION(BlueprintPure, Category = "Widget Studio|Helper")
    UWidgetStudioButtonBase* GetButtonAtIndex(int32 Index);
 
    UFUNCTION(BlueprintPure, Category = "Widget Studio|Helper")
    UWidgetStudioButtonBase* GetCurrentButton();
 
    UFUNCTION(BlueprintPure, Category = "Widget Studio|Helper")
    int32 GetButtonCount() const;
 
    UFUNCTION(BlueprintPure, Category = "Widget Studio|Helper")
    EClusivity GetSelectionMethod() const;
 
 
    /* Modifiers */
 
    UFUNCTION(BlueprintCallable, Category = "Widget Studio|Modifier")
    void AddButton(UWidgetStudioButtonBase* NewButton);
 
    UFUNCTION(BlueprintCallable, Category = "Widget Studio|Modifier")
    bool RemoveButton(UWidgetStudioButtonBase* ButtonToRemove);
 
    UFUNCTION(BlueprintCallable, Category = "Widget Studio|Modifier")
    void RemoveButtonAtIndex(int32 Index);
 
    UFUNCTION(BlueprintCallable, Category = "Widget Studio|Modifier")
    void RemoveAllButtons();
 
    UFUNCTION(BlueprintCallable, Category = "Widget Studio|Modifier")
    void SetCurrentIndex(int32 Index, bool bBroadcast = true);
 
    UFUNCTION(BlueprintCallable, Category = "Widget Studio|Modifier")
    void SetSelectionMethod(EClusivity NewMethod);
 
};