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feat: add toggle registration.

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rabbitism
2024-02-14 01:25:21 +08:00
parent f2073f4eb3
commit f67a5a313c
3 changed files with 93 additions and 27 deletions
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30
src/Ursa/Controls/NavMenu/NavMenu.cs
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@@ -5,6 +5,8 @@ using Avalonia.Controls.Metadata;
using Avalonia.Controls.Primitives;
using Avalonia.Controls.Templates;
using Avalonia.Data;
using Avalonia.Input;
using Avalonia.Interactivity;
using Avalonia.LogicalTree;
using Avalonia.Metadata;
using Irihi.Avalonia.Shared.Helpers;
@@ -125,11 +127,39 @@ public class NavMenu: ItemsControl
get => GetValue(FooterProperty);
set => SetValue(FooterProperty, value);
}
public static readonly AttachedProperty<bool> CanToggleProperty =
AvaloniaProperty.RegisterAttached<NavMenu, InputElement, bool>("CanToggle");
public static void SetCanToggle(InputElement obj, bool value) => obj.SetValue(CanToggleProperty, value);
public static bool GetCanToggle(InputElement obj) => obj.GetValue(CanToggleProperty);
static NavMenu()
{
SelectedItemProperty.Changed.AddClassHandler<NavMenu, object?>((o, e) => o.OnSelectedItemChange(e));
PropertyToPseudoClassMixin.Attach<NavMenu>(IsHorizontalCollapsedProperty, PC_HorizontalCollapsed);
CanToggleProperty.Changed.AddClassHandler<InputElement, bool>(OnInputRegisteredAsToggle);
}
private static void OnInputRegisteredAsToggle(InputElement input, AvaloniaPropertyChangedEventArgs<bool> e)
{
if (e.NewValue.Value)
{
input.AddHandler(PointerPressedEvent, OnElementToggle);
}
else
{
input.RemoveHandler(PointerPressedEvent, OnElementToggle);
}
}
private static void OnElementToggle(object? sender, RoutedEventArgs args)
{
if (sender is not InputElement input) return;
var nav = input.FindLogicalAncestorOfType<NavMenu>();
if(nav is null) return;
bool collapsed = nav.IsHorizontalCollapsed;
nav.IsHorizontalCollapsed = !collapsed;
}
private void OnSelectedItemChange(AvaloniaPropertyChangedEventArgs<object?> args)