MRU->RMU, fixes, cleanup

1 files changed, 72 insertions, 0 deletions

diff --git a/MatrixUtils.Desktop/Components/NavigationStack.axaml.cs b/MatrixUtils.Desktop/Components/NavigationStack.axaml.cs
new file mode 100644
index 0000000..632ae3c
--- /dev/null
+++ b/MatrixUtils.Desktop/Components/NavigationStack.axaml.cs
@@ -0,0 +1,72 @@
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+using Avalonia.Markup.Xaml;
+
+namespace MatrixUtils.Desktop.Components;
+
+public partial class NavigationStack : UserControl {
+    public NavigationStack() {
+        InitializeComponent();
+    }
+
+    // private void InitializeComponent() {
+        // AvaloniaXamlLoader.Load(this);
+        // buildView();
+    // }
+
+    protected override void OnLoaded(RoutedEventArgs e) {
+        base.OnLoaded(e);
+        buildView();
+    }
+    
+    private void buildView() {
+        if (navPanel is null) {
+            Console.WriteLine("NavigationStack buildView called while navpanel is null!");
+            // await Task.Delay(100);
+            // if (navPanel is null)
+                // await buildView();
+            // else Console.WriteLine("navpanel is not null!");
+        }
+        navPanel.Children.Clear();
+        foreach (var item in _stack) {
+            Button btn = new() {
+                Content = item.Name
+            };
+            btn.Click += (_, _) => {
+                PopTo(_stack.IndexOf(item));
+                buildView();
+            };
+            navPanel.Children.Add(btn);
+        }
+        content.Content = Current?.View ?? new UserControl();
+    }
+
+
+    public class NavigationStackItem {
+        public string Name { get; set; }
+        public string Description { get; set; } = "";
+        public UserControl View { get; set; }
+    }
+
+    private List<NavigationStackItem> _stack = new();
+
+    public NavigationStackItem? Current => _stack.LastOrDefault();
+
+    public void Push(string name, UserControl view) {
+        _stack.Add(new NavigationStackItem {
+            Name = name,
+            View = view
+        });
+        buildView();
+    }
+
+    public void Pop() {
+        _stack.RemoveAt(_stack.Count - 1);
+        buildView();
+    }
+
+    public void PopTo(int index) {
+        _stack.RemoveRange(index, _stack.Count - index);
+        buildView();
+    }
+}