Refactor TreeViewItem

2026-10-29 07:16:33 +08:00 · 2025-06-24 19:05:17 +08:00
parent 289f9e8014
commit 1c8cc1f733
3 changed files with 76 additions and 22 deletions
@@ -1,6 +1,8 @@
 using System.Diagnostics;
+using AtomUI.Controls.DataGridLang;
 using AtomUI.Data;
 using AtomUI.IconPkg.AntDesign;
+using AtomUI.Theme.Data;
 using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Controls.Primitives;
@@ -12,38 +14,39 @@ namespace AtomUI.Controls;
 internal class DataGridFilterIndicator : IconButton
 {
    #region 公共属性定义
-    
-    public static readonly StyledProperty<bool> IsFilterActivatedProperty
-        = AvaloniaProperty.Register<DataGridFilterIndicator, bool>(nameof(IsFilterActivated));
-    
+
+    public static readonly StyledProperty<bool> IsFilterActivatedProperty =
+        AvaloniaProperty.Register<DataGridFilterIndicator, bool>(nameof(IsFilterActivated));
+
    public static readonly DirectProperty<DataGridFilterIndicator, DataGridFilterMode> FilterModeProperty =
        AvaloniaProperty.RegisterDirect<DataGridFilterIndicator, DataGridFilterMode>(
            nameof(FilterMode),
            o => o.FilterMode,
            (o, v) => o.FilterMode = v);
-    
+
    public static readonly StyledProperty<MenuItemToggleType> ToggleTypeProperty =
        MenuItem.ToggleTypeProperty.AddOwner<DataGridFilterIndicator>();
-    
+
    public bool IsFilterActivated
    {
        get => GetValue(IsFilterActivatedProperty);
        set => SetValue(IsFilterActivatedProperty, value);
    }
-    
+
    private DataGridFilterMode _filterMode;
+
    public DataGridFilterMode FilterMode
    {
        get => _filterMode;
        set => SetAndRaise(FilterModeProperty, ref _filterMode, value);
    }
-    
+
    public MenuItemToggleType ToggleType
    {
        get => GetValue(ToggleTypeProperty);
        set => SetValue(ToggleTypeProperty, value);
    }
-    
+
    #endregion
    
    private DataGridColumn? _owningColumn;
@@ -63,6 +66,7 @@ internal class DataGridFilterIndicator : IconButton
            }
        }
    }
+
    private readonly FlyoutStateHelper _flyoutStateHelper;

    public DataGridFilterIndicator()
@@ -86,8 +90,10 @@ internal class DataGridFilterIndicator : IconButton
                            }
                        }
                    }
+
                    return true;
                }
+
                return false;
            }
        };
@@ -113,7 +119,7 @@ internal class DataGridFilterIndicator : IconButton
            CreateFlyout();
        }
    }
-    
+
    private void CreateFlyout()
    {
        Debug.Assert(OwningColumn is not null);
@@ -127,12 +133,14 @@ internal class DataGridFilterIndicator : IconButton
                Placement                 = PlacementMode.BottomEdgeAlignedRight,
                IsDetectMouseClickEnabled = false
            };
-            BindUtils.RelayBind(owningGrid, MotionAwareControlProperty.IsMotionEnabledProperty, menuFlyout, MotionAwareControlProperty.IsMotionEnabledProperty);
+            BindUtils.RelayBind(owningGrid, MotionAwareControlProperty.IsMotionEnabledProperty, menuFlyout,
+                MotionAwareControlProperty.IsMotionEnabledProperty);
            var menuItems = BuildMenuItems(OwningColumn.Filters.ToList());
            foreach (var menuItem in menuItems)
            {
                menuFlyout.Items.Add(menuItem);
            }
+
            Flyout                    = menuFlyout;
            _flyoutStateHelper.Flyout = menuFlyout;
        }
@@ -144,12 +152,18 @@ internal class DataGridFilterIndicator : IconButton
                Placement                 = PlacementMode.BottomEdgeAlignedRight,
                IsDetectMouseClickEnabled = false
            };
-            BindUtils.RelayBind(owningGrid, MotionAwareControlProperty.IsMotionEnabledProperty, treeFlyout, MotionAwareControlProperty.IsMotionEnabledProperty);
-            var treeItems = BuildTreeItems(OwningColumn.Filters.ToList());
+            BindUtils.RelayBind(owningGrid, MotionAwareControlProperty.IsMotionEnabledProperty, treeFlyout,
+                MotionAwareControlProperty.IsMotionEnabledProperty);
+            var selectAllTreeItem = new DataGridFilterTreeItem();
+            LanguageResourceBinder.CreateBinding(selectAllTreeItem, DataGridFilterTreeItem.HeaderProperty,
+                DataGridLangResourceKey.SelectAllFilterItems);
+            var treeItems         = BuildTreeItems(OwningColumn.Filters.ToList());
            foreach (var menuItem in treeItems)
            {
-                treeFlyout.Items.Add(menuItem);
+                selectAllTreeItem.Items.Add(menuItem);
            }
+
+            treeFlyout.Items.Add(selectAllTreeItem);
            Flyout                    = treeFlyout;
            _flyoutStateHelper.Flyout = treeFlyout;
        }
@@ -178,6 +192,7 @@ internal class DataGridFilterIndicator : IconButton
                }
            }
        }
+
        return menuItems;
    }

@@ -188,8 +203,8 @@ internal class DataGridFilterIndicator : IconButton
        {
            var treeItem = new DataGridFilterTreeItem()
            {
-                Header           = item.Text,
-                FilterValue      = item.Value
+                Header      = item.Text,
+                FilterValue = item.Value
            };
            treeItems.Add(treeItem);
            if (item.Children.Count > 0)
@@ -201,9 +216,10 @@ internal class DataGridFilterIndicator : IconButton
                }
            }
        }
+
        return treeItems;
    }
-    
+
    protected override void OnDetachedFromVisualTree(VisualTreeAttachmentEventArgs e)
    {
        base.OnDetachedFromVisualTree(e);
@@ -215,14 +231,14 @@ internal class DataGridFilterIndicator : IconButton
        base.OnAttachedToVisualTree(e);
        _flyoutStateHelper.NotifyAttachedToVisualTree();
    }
-    
+
    protected override void OnClick()
    {
        if (IsEffectivelyEnabled)
        {
            var e = new RoutedEventArgs(ClickEvent);
            RaiseEvent(e);
-            var ( command, parameter) = (Command, CommandParameter);
+            var (command, parameter) = (Command, CommandParameter);
            if (!e.Handled && command is not null && command.CanExecute(parameter))
            {
                command.Execute(parameter);
@@ -230,5 +246,7 @@ internal class DataGridFilterIndicator : IconButton
            }
        }
    }
-
+    
+    
+    
 }
@@ -1,5 +1,6 @@
 using AtomUI.Data;
 using Avalonia.Controls;
+using Avalonia.Input;
 using Avalonia.Metadata;

 namespace AtomUI.Controls;
@@ -30,4 +31,24 @@ public class DataGridTreeFilterFlyout : Flyout
 internal class DataGridFilterTreeItem : TreeViewItem
 {
    public string? FilterValue { get; set; }
+
+    protected override void NotifyHeaderClick()
+    {
+        if (IsChecked is null)
+        {
+            IsChecked =  true;
+        }
+        else
+        {
+            IsChecked = !IsChecked;
+        }
+    }
+    
+    protected override void OnHeaderDoubleTapped(TappedEventArgs e)
+    {
+        if (ItemCount > 0)
+        {
+            e.Handled = true;
+        }
+    }
 }
@@ -63,8 +63,8 @@ public class TreeViewItem : AvaloniaTreeItem,
    public static readonly StyledProperty<bool> IsShowLeafIconProperty =
        AvaloniaProperty.Register<TreeViewItem, bool>(nameof(IsShowLeafIcon));
    
-    public static readonly StyledProperty<bool> IsLoadingProperty
-        = AvaloniaProperty.Register<TreeViewItem, bool>(nameof(IsLoading), false);
+    public static readonly StyledProperty<bool> IsLoadingProperty =
+        AvaloniaProperty.Register<TreeViewItem, bool>(nameof(IsLoading), false);

    public bool IsCheckable
    {
@@ -871,4 +871,19 @@ public class TreeViewItem : AvaloniaTreeItem,
    {
        return new DragPreviewAdorner(_frame!);
    }
+    
+    protected override void OnPointerReleased(PointerReleasedEventArgs e)
+    {
+        base.OnPointerReleased(e);
+        var bounds = new Rect(new Point(0, 0), _headerPresenter?.DesiredSize ?? default);
+        var point  = e.GetPosition(_headerPresenter);
+        if (bounds.Contains(point))
+        {
+            NotifyHeaderClick();
+        }
+    }
+
+    protected virtual void NotifyHeaderClick()
+    {
+    }
 }