Navigation in Avalonia

2022-12-05 19:39:13 +00:00
parent 855a4b98d2
commit 358926a5d4
17 changed files with 1660 additions and 59 deletions
@@ -0,0 +1,26 @@
+using Avalonia;
+using Avalonia.Data.Converters;
+using System.Globalization;
+
+namespace Toolkit.Foundation.Avalonia
+{
+
+    public static class EventArgsExtensions
+    {
+        public static dynamic? GetEventArguments(this EventArgs args, string? path, IValueConverter? converter, object? converterParameter)
+        {
+            return !string.IsNullOrWhiteSpace(path) ? GetEventArgsPropertyPathValue(args, path) : converter is not null ? converter.Convert(args, typeof(object), converterParameter, CultureInfo.CurrentCulture) : (dynamic)args;
+        }
+
+        private static object GetEventArgsPropertyPathValue(object args, string path)
+        {
+            object? value = args;
+            if (path is { })
+            {
+                value = PropertyPathHelper.GetValue(args, path);
+            }
+
+            return value;
+        }
+    }
+}
@@ -0,0 +1,17 @@
+using Avalonia.Data;
+
+namespace Toolkit.Foundation.Avalonia
+{
+    public static class MarkupExtensions
+    {
+        public static Binding? ToBinding(this object value)
+        {
+            if (value is Binding)
+            {
+                return value as Binding;
+            }
+
+            return new Binding { Mode = BindingMode.OneWay, Source = value };
+        }
+    }
+}
@@ -0,0 +1,28 @@
+using Avalonia;
+using Avalonia.Data;
+
+namespace Toolkit.Foundation.Avalonia
+{
+    public static class PropertyPathHelper
+    {
+        private static readonly Dummy dummy = new();
+
+        public static object GetValue(object args, string path)
+        {
+            Binding binding = new(path)
+            {
+                Mode = BindingMode.OneTime,
+                Source = args
+            };
+
+            dummy.Bind(Dummy.ValueProperty, binding);
+            return dummy.GetValue(Dummy.ValueProperty);
+        }
+
+        private class Dummy : AvaloniaObject
+        {
+            public static readonly StyledProperty<object> ValueProperty =
+                AvaloniaProperty.Register<Dummy, object>("Value");
+        }
+    }
+}