wip

2024-05-06 21:17:20 +01:00
parent 40845bb5b3
commit ff8e97f030
13 changed files with 145 additions and 26 deletions
@@ -1,10 +1,86 @@
 using Avalonia;
+using Avalonia.Controls;
 using Avalonia.Interactivity;
 using Avalonia.LogicalTree;
 using Toolkit.UI.Controls.Avalonia;

 namespace Toolkit.UI.Avalonia;

+public class ListBoxItemExtension
+{
+    public static readonly AttachedProperty<bool> IsItemClickEnabledProperty =
+        AvaloniaProperty.RegisterAttached<ListBoxItem, bool>("IsItemClickEnabled",
+            typeof(ListBoxItemExtension), false);
+
+    public static readonly RoutedEvent<ItemInvokedEventArgs> ItemClickEvent =
+        RoutedEvent.Register<ItemInvokedEventArgs>("ItemClick",
+            RoutingStrategies.Bubble, typeof(ListBoxItemExtension));
+
+    static ListBoxItemExtension()
+    {
+        IsItemClickEnabledProperty.Changed.AddClassHandler<ListBoxItem>(OnIsItemClickEnabledPropertyChanged);
+    }
+
+    private static void OnIsItemClickEnabledPropertyChanged(ListBoxItem sender,
+        AvaloniaPropertyChangedEventArgs args)
+    {
+        bool TrySetupListBox()
+        {
+            if (sender.GetLogicalAncestors().OfType<ListBox>().FirstOrDefault() is ListBox listBox)
+            {
+                void OnItemInvoked(object? _, FluentAvalonia.UI.Controls.NavigationViewItemInvokedEventArgs args)
+                {
+                    if (args.InvokedItemContainer == sender)
+                    {
+                        sender.RaiseEvent(new ItemInvokedEventArgs { RoutedEvent = ItemClickEvent });
+                    }
+                }
+
+                void OnSelectionChanged(object? sender, SelectionChangedEventArgs args)
+                {
+                    foreach (object item in args.AddedItems)
+                    {
+                        if (listBox.ContainerFromItem(item) == sender)
+                        { 
+                        
+                        }
+                    }
+                }
+
+
+                listBox.SelectionChanged += OnSelectionChanged;
+                return true;
+            }
+
+            return false;
+        }
+
+        if (!TrySetupListBox())
+        {
+            void OnAttachedToVisualTree(object? _, VisualTreeAttachmentEventArgs __)
+            {
+                sender.AttachedToVisualTree -= OnAttachedToVisualTree;
+                TrySetupListBox();
+            }
+
+            sender.AttachedToVisualTree += OnAttachedToVisualTree;
+        }
+    }
+
+    public static bool GetIsItemClickEnabled(ListBoxItem element) =>
+        element.GetValue(IsItemClickEnabledProperty);
+
+    public static void SetIsItemClickEnabled(ListBoxItem element, bool value) =>
+        element.SetValue(IsItemClickEnabledProperty, value);
+
+    public static void AddItemClickHandler(ListBoxItem element, EventHandler<ItemInvokedEventArgs> handler) =>
+        element.AddHandler(ItemClickEvent, handler);
+
+    public static void RemoveItemClickHandler(ListBoxItem element, EventHandler<ItemInvokedEventArgs> handler) =>
+        element.RemoveHandler(ItemClickEvent, handler);
+}
+
+
 public class NavigationViewItemExtension
 {
    public static readonly AttachedProperty<bool> IsItemClickEnabledProperty =