feat(ui): drag-reorder Mission Control panes by their header

2026-06-26 16:11:51 +02:00
parent f63be285a2
commit f6ecfc995f
3 changed files with 60 additions and 2 deletions
@@ -1,8 +1,46 @@
+using System.Linq;
 using Avalonia.Controls;
+using Avalonia.Input;
+using Avalonia.Interactivity;
+using Avalonia.VisualTree;
+using ClaudeDo.Ui.ViewModels;
+using ClaudeDo.Ui.ViewModels.Islands;

 namespace ClaudeDo.Ui.Views.MissionControl;

 public partial class MissionControlView : UserControl
 {
-    public MissionControlView() => InitializeComponent();
+    // Shared with MonitorPaneView (the drag source).
+    public static readonly DataFormat<string> PaneFormat =
+        DataFormat.CreateStringApplicationFormat("claudedo-monitor-pane");
+
+    public MissionControlView()
+    {
+        InitializeComponent();
+        AddHandler(DragDrop.DragOverEvent, OnPaneDragOver);
+        AddHandler(DragDrop.DropEvent, OnPaneDrop);
+    }
+
+    private void OnPaneDragOver(object? sender, DragEventArgs e)
+    {
+        e.DragEffects = (e.DataTransfer?.Contains(PaneFormat) ?? false)
+            ? DragDropEffects.Move
+            : DragDropEffects.None;
+    }
+
+    private void OnPaneDrop(object? sender, DragEventArgs e)
+    {
+        if (DataContext is not MissionControlViewModel vm) return;
+        var draggedId = e.DataTransfer?.TryGetValue(PaneFormat);
+        if (string.IsNullOrEmpty(draggedId)) return;
+        if (e.Source is not Avalonia.Visual src) return;
+
+        var targetPane = src.FindAncestorOfType<MonitorPaneView>();
+        if (targetPane?.DataContext is not TaskMonitorViewModel target) return;
+
+        var dragged = vm.Monitors.FirstOrDefault(m => m.SubscribedTaskId == draggedId);
+        if (dragged is null) return;
+
+        vm.MoveMonitor(dragged, target);
+    }
 }