56 lines
2.0 KiB
C#
56 lines
2.0 KiB
C#
using System.Diagnostics;
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using System.Numerics;
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using CommunityToolkit.WinUI;
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using Microsoft.UI.Xaml.Controls;
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using Microsoft.UI.Xaml.Controls.Primitives;
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using Windows.UI.Xaml;
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namespace Wino.Controls
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{
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public class AccountNavigationItem : WinoNavigationViewItem
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{
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public bool IsActiveAccount
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{
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get { return (bool)GetValue(IsActiveAccountProperty); }
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set { SetValue(IsActiveAccountProperty, value); }
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}
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public static readonly DependencyProperty IsActiveAccountProperty = DependencyProperty.Register(nameof(IsActiveAccount), typeof(bool), typeof(AccountNavigationItem), new PropertyMetadata(false, new PropertyChangedCallback(OnIsActiveAccountChanged)));
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private const string PART_NavigationViewItemMenuItemsHost = "NavigationViewItemMenuItemsHost";
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private const string PART_SelectionIndicator = "SelectionIndicator";
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private ItemsRepeater _itemsRepeater;
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private Windows.UI.Xaml.Shapes.Rectangle _selectionIndicator;
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protected override void OnApplyTemplate()
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{
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base.OnApplyTemplate();
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_itemsRepeater = GetTemplateChild(PART_NavigationViewItemMenuItemsHost) as ItemsRepeater;
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_selectionIndicator = GetTemplateChild(PART_SelectionIndicator) as Windows.UI.Xaml.Shapes.Rectangle;
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if (_itemsRepeater == null) return;
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(_itemsRepeater.Layout as StackLayout).Spacing = 0;
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UpdateSelectionBorder();
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}
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private static void OnIsActiveAccountChanged(DependencyObject obj, DependencyPropertyChangedEventArgs args)
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{
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if (obj is AccountNavigationItem control)
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control.UpdateSelectionBorder();
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}
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private void UpdateSelectionBorder()
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{
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if (_selectionIndicator == null) return;
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_selectionIndicator.Scale = IsActiveAccount ? new Vector3(1,1,1) : new Vector3(0,0,0);
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_selectionIndicator.Visibility = IsActiveAccount ? Visibility.Visible : Visibility.Collapsed;
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}
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}
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}
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