roundup

App/MvvmStuff/BaseViewModel.cs

@@ -1,67 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Runtime.CompilerServices;
-using FastMember;
-using Prism.Mvvm;
-
-namespace ModernWpfPlayground.MvvmStuff
-{
-    public abstract class BaseViewModel : BindableBase
-    {
-        protected BaseViewModel()
-        {
-            ObjectAccessor = ObjectAccessor.Create(this);
-        }
-
-        private readonly Dictionary<string, object?> _values = new();
-        protected readonly ObjectAccessor ObjectAccessor;
-        private readonly Dictionary<string, object?> _defaultValues = new();
-
-        protected IReadOnlyDictionary<string, object?> Values => _values;
-
-        protected bool SetProperty<T>(T value, Action<T>? onChanged = null,
-            [CallerMemberName] string? propertyName = null)
-        {
-            if (propertyName == null) throw new ArgumentNullException(nameof(propertyName));
-            if (_values.TryGetValue(propertyName, out var obj) && Equals(value, obj)) return false;
-
-            _values[propertyName] = value;
-            RaisePropertyChanged(propertyName);
-            onChanged?.Invoke(value);
-            return true;
-        }
-
-        protected T? GetProperty<T>(T? defaultValue = default, [CallerMemberName] string? propertyName = null)
-        {
-            if (propertyName == null) throw new ArgumentNullException(nameof(propertyName));
-            if (Values.TryGetValue(propertyName, out var obj))
-            {
-                return (T) obj!;
-            }
-
-            _defaultValues[propertyName] =defaultValue;
-            return defaultValue;
-        }
-
-        protected void ResetViewModel()
-        {
-            foreach (var (key, value) in _values.ToArray())
-            {
-                if (_defaultValues.TryGetValue(key, out var defaultValue) && Equals(value, defaultValue)) continue;
-                ObjectAccessor[key] = defaultValue;
-            }
-        }
-
-        protected abstract IEnumerable<(string key, object? value)> GetViewModelItems();
-
-        protected void LoadViewModel()
-        {
-            ResetViewModel();
-            foreach (var (key, value) in GetViewModelItems())
-            {
-                ObjectAccessor[key] = value;
-            }
-        }
-    }
-}