src/Files.App.Controls/Omnibar/OmnibarMode.cs - main - githubmirror/Files

src/Files.App.Controls/Omnibar/OmnibarMode.cs
110 строк3 KB
yair100
Code Quality: Updated headers
01 июл 2026, 06:18
01 июл 2026, 06:18c27305a
// Copyright (c) Files Community
// SPDX-License-Identifier: MPL-2.0

using Microsoft.UI.Xaml.Input;

namespace Files.App.Controls
{
	[DebuggerDisplay("{" + nameof(ToString) + "(),nq}")]
	public partial class OmnibarMode : ItemsControl
	{
		// Constants

		private const string TemplatePartName_ModeButton = "PART_ModeButton";

		// Fields

		private WeakReference<Omnibar>? _ownerRef;

		private Button _modeButton = null!;

		// Constructor

		public OmnibarMode()
		{
			DefaultStyleKey = typeof(OmnibarMode);

			GlobalHelper.WriteDebugStringForOmnibar($"Omnibar Mode ({this}) has been initialized.");
		}

		// Methods

		protected override void OnApplyTemplate()
		{
			base.OnApplyTemplate();

			_modeButton = GetTemplateChild(TemplatePartName_ModeButton) as Button
				?? throw new MissingFieldException($"Could not find {TemplatePartName_ModeButton} in the given {nameof(OmnibarMode)}'s style.");

			RegisterPropertyChangedCallback(ItemsSourceProperty, (d, dp) =>
			{
				if (_ownerRef is not null && _ownerRef.TryGetTarget(out var owner))
					owner.TryToggleIsSuggestionsPopupOpen(true);
			});

			Loaded += OmnibarMode_Loaded;
			_modeButton.PointerEntered += ModeButton_PointerEntered;
			_modeButton.PointerPressed += ModeButton_PointerPressed;
			_modeButton.PointerReleased += ModeButton_PointerReleased;
			_modeButton.PointerExited += ModeButton_PointerExited;
			_modeButton.Click += ModeButton_Click;

			GlobalHelper.WriteDebugStringForOmnibar($"The template and the events of the Omnibar Mode ({this}) have been initialized.");
		}

		protected override void OnKeyUp(KeyRoutedEventArgs args)
		{
			if (args.Handled || IsEnabled is false)
				goto cleanup;

			if (args.Key is Windows.System.VirtualKey.Enter)
			{
				if (_ownerRef is null || _ownerRef.TryGetTarget(out var owner) is false || owner.CurrentSelectedMode == this)
					return;

				VisualStateManager.GoToState(this, "PointerPressed", true);

				// Change the current mode
				owner.CurrentSelectedMode = this;
				owner.FocusTextBox();

				VisualStateManager.GoToState(this, "PointerNormal", true);
			}

		cleanup:
			{
				base.OnKeyDown(args);
			}
		}

		protected override void OnItemsChanged(object e)
		{
			base.OnItemsChanged(e);

			if (_ownerRef is not null && _ownerRef.TryGetTarget(out var owner))
				owner.TryToggleIsSuggestionsPopupOpen(true);
		}

		private void OmnibarMode_Loaded(object sender, RoutedEventArgs e)
		{
			// Set this mode as the current mode if it is the default mode
			if (IsDefault && _ownerRef is not null && _ownerRef.TryGetTarget(out var owner))
			{
				DispatcherQueue.TryEnqueue(() =>
				{
					owner.CurrentSelectedMode = this;
				});
			}
		}

		public void SetOwner(Omnibar owner)
		{
			_ownerRef = new(owner);
		}

		public override string ToString()
		{
			return Name ?? string.Empty;
		}
	}
}