added Toolkit.UI.Avalonia

2024-04-13 11:34:23 +01:00
parent 053d8a851e
commit 62a7e94e19
14 changed files with 432 additions and 0 deletions
@@ -0,0 +1,82 @@
+using Avalonia;
+using Avalonia.Controls.Primitives;
+using Avalonia.Metadata;
+using Avalonia.Xaml.Interactivity;
+using Toolkit.Foundation;
+
+namespace Toolkit.UI.Avalonia;
+
+public class NavigateAction :
+    AvaloniaObject,
+    IAction
+{
+    public static readonly StyledProperty<object> ContextProperty =
+        AvaloniaProperty.Register<NavigateAction, object>(nameof(Context));
+
+    public static readonly DirectProperty<NavigateAction, ParameterBindingCollection> ParameterBindingsProperty =
+        AvaloniaProperty.RegisterDirect<NavigateAction, ParameterBindingCollection>(nameof(ParameterBindings),
+            x => x.ParameterBindings);
+
+    public static readonly StyledProperty<object[]?> ParametersProperty =
+        AvaloniaProperty.Register<NavigateAction, object[]?>(nameof(Parameters));
+
+    public static readonly StyledProperty<string> RouteProperty =
+        AvaloniaProperty.Register<NavigateAction, string>(nameof(Route));
+
+    public static readonly StyledProperty<string> ScopeProperty =
+        AvaloniaProperty.Register<NavigateAction, string>(nameof(Scope));
+
+    private ParameterBindingCollection parameterCollection = [];
+
+    public event EventHandler? Navigated;
+
+    public object Context
+    {
+        get => GetValue(ContextProperty);
+        set => SetValue(ContextProperty, value);
+    }
+
+    [Content]
+    public ParameterBindingCollection ParameterBindings =>
+        parameterCollection ??= [];
+
+    public object[]? Parameters
+    {
+        get => GetValue(ParametersProperty);
+        set => SetValue(ParametersProperty, value);
+    }
+
+    public string Route
+    {
+        get => GetValue(RouteProperty);
+        set => SetValue(RouteProperty, value);
+    }
+    public string Scope
+    {
+        get => GetValue(ScopeProperty);
+        set => SetValue(ScopeProperty, value);
+    }
+
+    public object Execute(object? sender,
+        object? parameter)
+    {
+        if (sender is TemplatedControl control)
+        {
+            Dictionary<string, object> arguments = 
+                new(StringComparer.InvariantCultureIgnoreCase);
+
+            if (control.DataContext is IObservableViewModel observableViewModel)
+            {
+                object[] parameters = [.. Parameters ?? Enumerable.Empty<object?>(), ..
+                    ParameterBindings is { Count: > 0 } ?
+                    ParameterBindings.Select(binding => new KeyValuePair<string, object>(binding.Key, binding.Value)).ToArray() :
+                    Enumerable.Empty<KeyValuePair<string, object>>()];
+
+                observableViewModel.Publisher.Publish(new Navigate(Route, Context
+                    ?? null, Scope ?? null, control.DataContext, Navigated, parameters));
+            }
+        }
+
+        return true;
+    }
+}