feat(client-ui): Shelve/Confirm context-menu items with per-item enablement

src/Client/ZB.MOM.WW.OtOpcUa.Client.UI/Views/AlarmsView.axaml.cs

@@ -1,4 +1,5 @@
 using System.ComponentModel;
+using System.Linq;
 using Avalonia.Controls;
 using Avalonia.Interactivity;
 using Avalonia.Media;
@@ -31,9 +32,19 @@ public partial class AlarmsView : UserControl
         if (grid == null) return;
 
         var contextMenu = new ContextMenu();
+
         var ackItem = new MenuItem { Header = "Acknowledge..." };
         ackItem.Click += OnAcknowledgeClicked;
         contextMenu.Items.Add(ackItem);
+
+        var shelveItem = new MenuItem { Header = "Shelve..." };
+        shelveItem.Click += OnShelveClicked;
+        contextMenu.Items.Add(shelveItem);
+
+        var confirmItem = new MenuItem { Header = "Confirm..." };
+        confirmItem.Click += OnConfirmClicked;
+        contextMenu.Items.Add(confirmItem);
+
         contextMenu.Opening += OnContextMenuOpening;
         grid.ContextMenu = contextMenu;
     }
@@ -61,7 +72,27 @@ public partial class AlarmsView : UserControl
     private void OnContextMenuOpening(object? sender, CancelEventArgs e)
     {
         var grid = this.FindControl<DataGrid>("AlarmsGrid");
-        if (grid?.SelectedItem is not AlarmEventViewModel alarm || !alarm.CanAcknowledge)
+        if (grid?.SelectedItem is not AlarmEventViewModel alarm)
+        {
+            e.Cancel = true;
+            return;
+        }
+
+        if (grid.ContextMenu is { } menu)
+        {
+            foreach (var item in menu.Items.OfType<MenuItem>())
+            {
+                item.IsEnabled = item.Header switch
+                {
+                    "Acknowledge..." => alarm.CanAcknowledge,
+                    "Shelve..." => alarm.CanShelve,
+                    "Confirm..." => alarm.CanConfirm,
+                    _ => true
+                };
+            }
+        }
+
+        if (!alarm.CanAcknowledge && !alarm.CanShelve && !alarm.CanConfirm)
             e.Cancel = true;
     }
 
@@ -78,4 +109,24 @@ public partial class AlarmsView : UserControl
         var ackWindow = new AckAlarmWindow(vm, alarm);
         ackWindow.ShowDialog(parentWindow);
     }
+
+    private void OnShelveClicked(object? sender, RoutedEventArgs e)
+    {
+        if (DataContext is not AlarmsViewModel vm) return;
+        var grid = this.FindControl<DataGrid>("AlarmsGrid");
+        if (grid?.SelectedItem is not AlarmEventViewModel alarm || !alarm.CanShelve) return;
+        var parentWindow = this.FindAncestorOfType<Window>();
+        if (parentWindow == null) return;
+        new ShelveAlarmWindow(vm, alarm).ShowDialog(parentWindow);
+    }
+
+    private void OnConfirmClicked(object? sender, RoutedEventArgs e)
+    {
+        if (DataContext is not AlarmsViewModel vm) return;
+        var grid = this.FindControl<DataGrid>("AlarmsGrid");
+        if (grid?.SelectedItem is not AlarmEventViewModel alarm || !alarm.CanConfirm) return;
+        var parentWindow = this.FindAncestorOfType<Window>();
+        if (parentWindow == null) return;
+        new ConfirmAlarmWindow(vm, alarm).ShowDialog(parentWindow);
+    }
 }