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■ DelegateCommand 클래스 : 대리자 명령 사용하기

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TestProject.zip



MainWindow.xaml

 

 

<Window x:Class="TestProject.Views.MainWindow"

    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

    xmlns:prism="http://prismlibrary.com/"

    prism:ViewModelLocator.AutoWireViewModel="True"

    Width="800"

    Height="600"

    Title="DelegateCommand 클래스 : 대리자 명령 사용하기"

    FontFamily="나눔고딕코딩"

    FontSize="16">

    <StackPanel

        HorizontalAlignment="Center"

        VerticalAlignment="Center">

        <CheckBox

            Margin="10"

            Padding="5"

            IsChecked="{Binding IsEnabled}"

            VerticalContentAlignment="Center"

            Content="Can Execute Command" />

        <Button

            Margin="10"

            Padding="5"

            Command="{Binding ExecuteDelegateCommand}"

            Content="DelegateCommand" />

        <Button

            Margin="10"

            Padding="5"

            Command="{Binding ObservePropertyDelegateCommand}"

            Content="DelegateCommand ObservesProperty" />

        <Button

            Margin="10"

            Padding="5"

            Command="{Binding ObserveCanExecuteDelegateCommand}"

            Content="DelegateCommand ObservesCanExecute" />

        <Button

            Margin="10"

            Padding="5"

            Command="{Binding ExecuteGenericDelegateCommand}"

            CommandParameter="Passed Parameter"

            Content="DelegateCommand Generic" />

        <TextBlock

            Margin="10"

            Padding="5"

            FontSize="22"

            Text="{Binding UpdateText}" />

    </StackPanel>

</Window>

 

 

MainWindow.xaml.cs

 

 

using System.Windows;

 

namespace TestProject.Views

{

    /// <summary>

    /// 메인 윈도우

    /// </summary>

    public partial class MainWindow : Window

    {

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

        ////////////////////////////////////////////////////////////////////////////////////////// Public

 

        #region 생성자 - MainWindow()

 

        /// <summary>

        /// 생성자

        /// </summary>

        public MainWindow()

        {

            InitializeComponent();

        }

 

        #endregion

    }

}

 

 

MainWindowViewModel.cs

 

 

using System;

 

using Prism.Commands;

using Prism.Mvvm;

 

namespace TestProject.ViewModels

{

    /// <summary>

    /// 메인 윈도우 뷰 모델

    /// </summary>

    public class MainWindowViewModel : BindableBase

    {

        //////////////////////////////////////////////////////////////////////////////////////////////////// Field

        ////////////////////////////////////////////////////////////////////////////////////////// Private

 

        #region Field

 

        /// <summary>

        /// 이용 가능 여부

        /// </summary>

        private bool isEnabled;

 

        /// <summary>

        /// 업데이트 텍스트

        /// </summary>

        private string updateText;

 

        #endregion

 

        //////////////////////////////////////////////////////////////////////////////////////////////////// Property

        ////////////////////////////////////////////////////////////////////////////////////////// Public

 

        #region 이용 가능 여부 - IsEnabled

 

        /// <summary>

        /// 이용 가능 여부

        /// </summary>

        public bool IsEnabled

        {

            get

            {

                return this.isEnabled;

            }

            set

            {

                SetProperty(ref this.isEnabled, value);

 

                ExecuteDelegateCommand.RaiseCanExecuteChanged();

            }

        }

 

        #endregion

        #region 업데이트 텍스트 - UpdateText

 

        /// <summary>

        /// 업데이트 텍스트

        /// </summary>

        public string UpdateText

        {

            get

            {

                return this.updateText;

            }

            set

            {

                SetProperty(ref this.updateText, value);

            }

        }

 

        #endregion

 

        #region 실행 대리자 명령 - ExecuteDelegateCommand

 

        /// <summary>

        /// 실행 대리자 명령

        /// </summary>

        public DelegateCommand ExecuteDelegateCommand { get; private set; }

 

        #endregion

        #region 속성 관찰 대리자 명령 - ObservePropertyDelegateCommand

 

        /// <summary>

        /// 속성 관찰 대리자 명령

        /// </summary>

        public DelegateCommand ObservePropertyDelegateCommand { get; private set; }

 

        #endregion

        #region 실행 가능 여부 관찰 대리자 명령 - ObserveCanExecuteDelegateCommand

 

        /// <summary>

        /// 실행 가능 여부 관찰 대리자 명령

        /// </summary>

        public DelegateCommand ObserveCanExecuteDelegateCommand { get; private set; }

 

        #endregion

        #region 일반 실행 대리자 명령 - ExecuteGenericDelegateCommand

 

        /// <summary>

        /// 일반 실행 대리자 명령

        /// </summary>

        public DelegateCommand<string> ExecuteGenericDelegateCommand { get; private set; }        

 

        #endregion

 

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

        ////////////////////////////////////////////////////////////////////////////////////////// Public

 

        #region 생성자 - MainWindowViewModel()

 

        /// <summary>

        /// 생성자

        /// </summary>

        public MainWindowViewModel()

        {

            ExecuteDelegateCommand           = new DelegateCommand(Execute, CanExecute);

            ObservePropertyDelegateCommand   = new DelegateCommand(Execute, CanExecute).ObservesProperty(() => IsEnabled);

            ObserveCanExecuteDelegateCommand = new DelegateCommand(Execute).ObservesCanExecute(() => IsEnabled);

            ExecuteGenericDelegateCommand    = new DelegateCommand<string>(ExecuteGeneric).ObservesCanExecute(() => IsEnabled);

        }

 

        #endregion

 

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method

        ////////////////////////////////////////////////////////////////////////////////////////// Private

 

        #region 실행하기 - Execute()

 

        /// <summary>

        /// 실행하기

        /// </summary>

        private void Execute()

        {

            UpdateText = $"Updated : {DateTime.Now}";

        }

 

        #endregion

        #region 실행 가능 여부 구하기 - CanExecute()

 

        /// <summary>

        /// 실행 가능 여부 구하기

        /// </summary>

        /// <returns>실행 가능 여부</returns>

        private bool CanExecute()

        {

            return IsEnabled;

        }

 

        #endregion

        #region 일반 실행하기 - ExecuteGeneric(parameter)

 

        /// <summary>

        /// 일반 실행하기

        /// </summary>

        /// <param name="parameter">매개 변수</param>

        private void ExecuteGeneric(string parameter)

        {

            UpdateText = parameter;

        }

 

        #endregion

    }

}

 

 

MainApplication.xaml

 

 

<prism:PrismApplication x:Class="TestProject.MainApplication"

    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

    xmlns:prism="http://prismlibrary.com/">

</prism:PrismApplication>

 

 

MainApplication.xaml.cs

 

 

using System.Windows;

 

using Prism.Ioc;

using Prism.Unity;

 

using TestProject.Views;

 

namespace TestProject

{

    /// <summary>

    /// 메인 애플리케이션

    /// </summary>

    public partial class MainApplication : PrismApplication

    {

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method

        ////////////////////////////////////////////////////////////////////////////////////////// Protected

 

        #region 쉘 생성하기 - CreateShell()

 

        /// <summary>

        /// 쉘 생성하기

        /// </summary>

        /// <returns></returns>

        protected override Window CreateShell()

        {

            return Container.Resolve<MainWindow>();

        }

 

        #endregion

        #region 타입 등록하기 - RegisterTypes(containerRegistry)

 

        /// <summary>

        /// 타입 등록하기

        /// </summary>

        /// <param name="containerRegistry">컨테이너 레지스트리 인터페이스</param>

        protected override void RegisterTypes(IContainerRegistry containerRegistry)

        {

        }

 

        #endregion

    }

}

 

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Posted by 사용자 icodebroker
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