Reworked context menu

FluentTerminal.App.ViewModels/Menu/MenuViewModel.cs

@@ -0,0 +1,39 @@
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using GalaSoft.MvvmLight;
+
+namespace FluentTerminal.App.ViewModels.Menu
+{
+    public class MenuViewModel : ViewModelBase
+    {
+        public ObservableCollection<MenuItemViewModelBase> Items { get; }
+
+        public MenuViewModel(IEnumerable<MenuItemViewModelBase> items = null)
+        {
+            if (items == null)
+            {
+                Items = new ObservableCollection<MenuItemViewModelBase>();
+            }
+            else if (items is ObservableCollection<MenuItemViewModelBase> observableItems)
+            {
+                Items = observableItems;
+            }
+            else
+            {
+                Items = new ObservableCollection<MenuItemViewModelBase>(items);
+            }
+        }
+
+        public bool EquivalentTo(MenuViewModel other)
+        {
+            if (ReferenceEquals(this, other)) return true;
+
+            if (other == null) return false;
+
+            if (Items.Count != other.Items.Count) return false;
+
+            return !Items.Where((t, i) => !t.EquivalentTo(other.Items[i])).Any();
+        }
+    }
+}