[C#/MAUI/.NET6] EnumToBoolConverter 엘리먼트 : 열거형 값 → 진리 값 변환자 사용하기

TestProject.zip

0.15MB

▶ OSTYpe.cs

namespace TestProject;

/// <summary>
/// OS 타입
/// </summary>
public enum OSType
{
    /// <summary>
    /// 안드로이드
    /// </summary>
    Android,

    /// <summary>
    /// iOS
    /// </summary>
    iOS,

    /// <summary>
    /// 맥 OS
    /// </summary>
    macOS,

    /// <summary>
    /// 타이젠
    /// </summary>
    Tizen,

    /// <summary>
    /// 윈도우즈
    /// </summary>
    Windows
}

 

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▶ MainPage.xaml

<?xml version="1.0" encoding="utf-8" ?>
<ContentPage x:Class="TestProject.MainPage"
    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
    xmlns:toolkit="http://schemas.microsoft.com/dotnet/2022/maui/toolkit"
    xmlns:local="clr-namespace:TestProject">
    <ContentPage.Resources>
        <toolkit:EnumToBoolConverter x:Key="EnumToBoolConverterKey1">
            <toolkit:EnumToBoolConverter.TrueValues>
                <local:OSType>Android</local:OSType>
                <local:OSType>iOS</local:OSType>
            </toolkit:EnumToBoolConverter.TrueValues>
        </toolkit:EnumToBoolConverter>
        <toolkit:EnumToBoolConverter x:Key="EnumToBoolConverterKey2">
            <toolkit:EnumToBoolConverter.TrueValues>
                <local:OSType>Tizen</local:OSType>
                <local:OSType>Windows</local:OSType>
            </toolkit:EnumToBoolConverter.TrueValues>
        </toolkit:EnumToBoolConverter>
    </ContentPage.Resources>
    <StackLayout
        HorizontalOptions="Center"
        VerticalOptions="Center">
        <Label
            HorizontalOptions="Center"
            FontSize="20"
            Text="안드로이드 또는 iOS 운영체제 입니다."
            IsVisible="{Binding SelectedValue, Converter={StaticResource EnumToBoolConverterKey1}}" />
        <Label
            HorizontalOptions="Center"
            FontSize="20"
            Text="타이젠 또는 윈도우즈 운영체제 입니다."
            IsVisible="{Binding SelectedValue, Converter={StaticResource EnumToBoolConverterKey2}}" />
    </StackLayout>
</ContentPage>

※ EnumToBoolConverter.TrueValues 속성에서 열거형 값이 1개인 경우는 컴파일시 에러가 발생했으며 이 경우는 해당 열거형 값을 한번 더 서술하였다.

 

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▶ MainPage.xaml.cs

namespace TestProject;

/// <summary>
/// 메인 페이지
/// </summary>
public partial class MainPage : ContentPage
{
    //////////////////////////////////////////////////////////////////////////////////////////////////// Property
    ////////////////////////////////////////////////////////////////////////////////////////// Public

    #region 선택 값 - SelectedValue

    /// <summary>
    /// 선택 값
    /// </summary>
    public OSType SelectedValue { get; set; }

    #endregion

    //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
    ////////////////////////////////////////////////////////////////////////////////////////// Public

    #region 생성자 - MainPage()

    /// <summary>
    /// 생성자
    /// </summary>
    public MainPage()
    {
        InitializeComponent();

        SelectedValue = OSType.iOS;

        BindingContext = this;
    }

    #endregion
}

 

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▶ MauiProgram.cs

using CommunityToolkit.Maui;

namespace TestProject;

/// <summary>
/// MAUI 프로그램
/// </summary>
public static class MauiProgram
{
    //////////////////////////////////////////////////////////////////////////////////////////////////// Method
    ////////////////////////////////////////////////////////////////////////////////////////// Static
    //////////////////////////////////////////////////////////////////////////////// Public

    #region MAUI 앱 생성하기 - CreateMauiApp()

    /// <summary>
    /// MAUI 앱 생성하기
    /// </summary>
    /// <returns>MAUI 앱</returns>
    public static MauiApp CreateMauiApp()
    {
        MauiAppBuilder builder = MauiApp.CreateBuilder();

        builder
            .UseMauiApp<App>()
            .UseMauiCommunityToolkit()
            .ConfigureFonts
            (
                fontCollection =>
                {
                    fontCollection.AddFont("OpenSans-Regular.ttf" , "OpenSansRegular" );
                    fontCollection.AddFont("OpenSans-Semibold.ttf", "OpenSansSemibold");
                }
            );

        return builder.Build();
    }

    #endregion
}