feat: prototype.

2024-03-09 18:38:22 +08:00
parent f93cd69d7c
commit 04305234a1
4 changed files with 94 additions and 0 deletions
--- a/src/Ursa/Controls/NumPad/NumPad.cs
+++ b/src/Ursa/Controls/NumPad/NumPad.cs
@@ -0,0 +1,78 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Controls.Metadata;
+using Avalonia.Controls.Primitives;
+using Avalonia.Input;
+using Avalonia.Interactivity;
+using Irihi.Avalonia.Shared.Helpers;
+
+namespace Ursa.Controls;
+
+[TemplatePart(NumPad.PART_Seven, typeof(Button))]
+public class NumPad: TemplatedControl
+{
+    public const string PART_Seven = "PART_Seven";
+    private Button? _sevenButton;
+    public static readonly StyledProperty<InputElement?> TargetProperty = AvaloniaProperty.Register<NumPad, InputElement?>(
+        nameof(Target));
+
+    public InputElement? Target
+    {
+        get => GetValue(TargetProperty);
+        set => SetValue(TargetProperty, value);
+    }
+
+    public static readonly AttachedProperty<bool> AttachProperty =
+        AvaloniaProperty.RegisterAttached<NumPad, InputElement, bool>("Attach");
+
+    public static void SetAttach(InputElement obj, bool value) => obj.SetValue(AttachProperty, value);
+    public static bool GetAttach(InputElement obj) => obj.GetValue(AttachProperty);
+
+    static NumPad()
+    {
+        TargetProperty.Changed.AddClassHandler<NumPad, InputElement?>((n, args) => n.OnTargetChanged(args));
+        AttachProperty.Changed.AddClassHandler<InputElement, bool>((input, args)=> OnAttachNumPad(input, args));
+    }
+
+    private static void OnAttachNumPad(InputElement input, AvaloniaPropertyChangedEventArgs<bool> args)
+    {
+        if (args.NewValue.Value)
+        {
+            GotFocusEvent.AddHandler(OnTargetGotFocus, input);
+        }
+        else
+        {
+            GotFocusEvent.RemoveHandler(OnTargetGotFocus, input);
+        }
+    }
+
+    private void OnTargetChanged(AvaloniaPropertyChangedEventArgs<InputElement?> args)
+    {
+        //GotFocusEvent.RemoveHandler(OnTargetGotFocus, args.OldValue.Value);
+        //GotFocusEvent.AddHandler(OnTargetGotFocus, args.NewValue.Value);
+    }
+    
+    private static void OnTargetGotFocus(object sender, GotFocusEventArgs e)
+    {
+        var numPad = new NumPad() { Target = sender as InputElement };
+        OverlayDialog.ShowCustom(numPad, new object());
+    }
+
+    protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
+    {
+        base.OnApplyTemplate(e);
+        Button.ClickEvent.RemoveHandler(OnSevenButtonClick, _sevenButton);
+        _sevenButton = e.NameScope.Find<Button>(PART_Seven);
+        Button.ClickEvent.AddHandler(OnSevenButtonClick, _sevenButton);
+    }
+
+    private void OnSevenButtonClick(object sender, RoutedEventArgs e)
+    {
+        Target?.RaiseEvent(new TextInputEventArgs()
+        {
+            Source = this,
+            RoutedEvent = TextInputEvent,
+            Text = "7",
+        });
+    }
+}