bluflame/intromat/Intromat/Views/UndoRedoView.xaml.cs

using System.Diagnostics;
using System.Reactive.Disposables;
using System.Windows;
using Intromat.ViewModels;
using ReactiveUI;

namespace Intromat.Views
{
    /// <summary>
    ///     Interaction logic for UndoRedoView.xaml
    /// </summary>
    public partial class UndoRedoView : IViewFor<UndoRedoViewModel>
    {
        public static readonly DependencyProperty ViewModelProperty = DependencyProperty.Register(nameof(ViewModel),
            typeof(UndoRedoViewModel), typeof(UndoRedoView), new PropertyMetadata(null));

        public UndoRedoView()
        {
            InitializeComponent();

            this.WhenActivated(d =>
            {
                Debug.Assert(ViewModel != null, nameof(ViewModel) + " != null");
                this.BindCommand(ViewModel, vm => vm.UndoCommand, v => v.undoButton).DisposeWith(d);
                this.BindCommand(ViewModel, vm => vm.RedoCommand, v => v.redoButton).DisposeWith(d);
            });
        }

        public UndoRedoViewModel? ViewModel
        {
            get => (UndoRedoViewModel?)GetValue(ViewModelProperty);
            set => SetValue(ViewModelProperty, value);
        }

        object? IViewFor.ViewModel
        {
            get => ViewModel;
            set => ViewModel = (UndoRedoViewModel?)value;
        }
    }
}