feat(docking): add DockRegionHighlight and DockingLayout

2026-03-28 22:08:20 +09:00
parent b87e01f6b3
commit baca976c6f
4 changed files with 114 additions and 0 deletions
--- a/src/Editor/Ghost.Editor/View/Controls/Docking/DockingLayout.cs
+++ b/src/Editor/Ghost.Editor/View/Controls/Docking/DockingLayout.cs
@@ -0,0 +1,67 @@
+using Microsoft.UI.Xaml;
+using Microsoft.UI.Xaml.Controls;
+
+namespace Ghost.Editor.View.Controls.Docking;
+
+[TemplatePart(Name = "PART_Content", Type = typeof(ContentPresenter))]
+[TemplatePart(Name = "PART_OverlayCanvas", Type = typeof(Canvas))]
+[TemplatePart(Name = "PART_Highlight", Type = typeof(DockRegionHighlight))]
+public class DockingLayout : Control
+{
+    public static readonly DependencyProperty RootPanelProperty = DependencyProperty.Register(
+        nameof(RootPanel), typeof(DockPanel), typeof(DockingLayout), new PropertyMetadata(null, OnRootPanelChanged));
+
+    public DockPanel? RootPanel
+    {
+        get => (DockPanel?)GetValue(RootPanelProperty);
+        set => SetValue(RootPanelProperty, value);
+    }
+
+    private Canvas? _overlayCanvas;
+    private DockRegionHighlight? _highlight;
+
+    public DockingLayout()
+    {
+        DefaultStyleKey = typeof(DockingLayout);
+    }
+
+    protected override void OnApplyTemplate()
+    {
+        base.OnApplyTemplate();
+        _overlayCanvas = GetTemplateChild("PART_OverlayCanvas") as Canvas;
+        _highlight = GetTemplateChild("PART_Highlight") as DockRegionHighlight;
+    }
+
+    private static void OnRootPanelChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
+    {
+        if (d is DockingLayout layout && e.NewValue is DockPanel panel)
+        {
+            panel.Root = layout;
+        }
+    }
+
+    public void AddDocument(DockDocument document, DockTarget target, DockGroup? targetGroup = null)
+    {
+        if (RootPanel == null)
+        {
+            RootPanel = new DockPanel();
+        }
+
+        if (targetGroup == null)
+        {
+            if (RootPanel.Children.Count == 0)
+            {
+                var group = new DockGroup();
+                group.AddChild(document);
+                RootPanel.AddChild(group);
+                return;
+            }
+            targetGroup = RootPanel.Children[0] as DockGroup;
+        }
+
+        if (targetGroup != null)
+        {
+            targetGroup.AddChild(document);
+        }
+    }
+}