Enter/Exit folder

src/GuiApp/Avalonia/FileTime.GuiApp/Services/KeyboardConfigurationService.cs

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+using FileTime.App.Core.Command;
+using FileTime.GuiApp.Configuration;
+using Microsoft.Extensions.Options;
+
+namespace FileTime.GuiApp.Services
+{
+    public class KeyboardConfigurationService : IKeyboardConfigurationService
+    {
+        public IReadOnlyList<CommandBindingConfiguration> CommandBindings { get; }
+        public IReadOnlyList<CommandBindingConfiguration> UniversalCommandBindings { get; }
+        public IReadOnlyList<CommandBindingConfiguration> AllShortcut { get; }
+
+        public KeyboardConfigurationService(IOptions<KeyBindingConfiguration> keyBindingConfiguration)
+        {
+            var commandBindings = new List<CommandBindingConfiguration>();
+            var universalCommandBindings = new List<CommandBindingConfiguration>();
+            IEnumerable<CommandBindingConfiguration> keyBindings = keyBindingConfiguration.Value.KeyBindings;
+
+            if (keyBindingConfiguration.Value.UseDefaultBindings)
+            {
+                keyBindings = keyBindings.Concat(keyBindingConfiguration.Value.DefaultKeyBindings);
+            }
+
+            foreach (var keyBinding in keyBindings)
+            {
+                if (keyBinding.Command == Commands.None)
+                {
+                    throw new FormatException($"No command is set in keybinding for keys '{keyBinding.KeysDisplayText}'");
+                }
+                else if (keyBinding.Keys.Count == 0)
+                {
+                    throw new FormatException($"No keys set in keybinding for command '{keyBinding.Command}'.");
+                }
+
+                if (IsUniversal(keyBinding))
+                {
+                    universalCommandBindings.Add(keyBinding);
+                }
+                else
+                {
+                    commandBindings.Add(keyBinding);
+                }
+            }
+
+            CommandBindings = commandBindings.AsReadOnly();
+            UniversalCommandBindings = universalCommandBindings.AsReadOnly();
+            AllShortcut = new List<CommandBindingConfiguration>(CommandBindings.Concat(UniversalCommandBindings)).AsReadOnly();
+        }
+
+        private static bool IsUniversal(CommandBindingConfiguration keyMapping)
+        {
+            return keyMapping.Command == Commands.GoUp
+                || keyMapping.Command == Commands.Open
+                || keyMapping.Command == Commands.OpenOrRun
+                || keyMapping.Command == Commands.MoveCursorUp
+                || keyMapping.Command == Commands.MoveCursorDown
+                || keyMapping.Command == Commands.MoveCursorUpPage
+                || keyMapping.Command == Commands.MoveCursorDownPage;
+        }
+    }
+}