ContextMenuWidget.h

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// Copyright Blue Isle Studios Inc 2018. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "AdvancedUserWidget.h"
#include "ContextMenuWidget.generated.h"
 
DECLARE_DELEGATE(FDelegateBinding);
DECLARE_DYNAMIC_DELEGATE(FContextMenuSignature);
 
USTRUCT(Blueprintable)
struct FContextMenuOption
{
    GENERATED_USTRUCT_BODY()
 
        FContextMenuOption()
    {
    }
 
    FContextMenuOption(FText InOptionName, FDelegateBinding InDelegateBinding = nullptr)
        : OptionName(InOptionName)
        , DelegateOnSelected(InDelegateBinding)
    {
    }
 
public:
    UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "Context Menu Item")
    FText OptionName;
 
    FContextMenuSignature EventOnSelected;
    FDelegateBinding DelegateOnSelected;
};
 
UCLASS()
class PROJECTX_API UContextMenuWidget : public UAdvancedUserWidget
{
    GENERATED_BODY()
 
public:
    UFUNCTION(BlueprintImplementableEvent, Category = "Context Menu")
    void Populate();
 
    UFUNCTION(BlueprintImplementableEvent, Category = "Context Menu")
    void SetText(const FText& NewMessage);
 
    UFUNCTION(BlueprintImplementableEvent, Category = "Context Menu")
    void SetTitle(const FText& NewMessage);
 
    UFUNCTION(BlueprintCallable, Category = "Context Menu")
    void ChooseContextMenuOption(const uint8 ChosenOption, const bool bCloseWindow = true);
 
    UFUNCTION(BlueprintPure, Category = "Context Menu", meta = (AutoCreateRefTerm = "EventOnSelected"))
    static FContextMenuOption MakeContextMenuOption(const FText& Text, const FContextMenuSignature& EventOnSelected);
 
    UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category= "Context Menu")
    TArray<FContextMenuOption> ContextMenuItems;
    UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "Context Menu")
    FText Title;
    UPROPERTY(VisibleAnywhere, BlueprintReadOnly, Category = "Context Menu")
    FText Message;
 
private:
    UContextMenuWidget() { bAutoDestroy = true; bDismissableByOtherWidgets = false; }
};