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feat: enhance navigation and UI structure in MainView and Application.

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Zhang Dian
2026-04-24 13:25:21 +08:00
parent 480316e2f9
commit 496aef2126
3 changed files with 488 additions and 505 deletions
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238
demo/Semi.Avalonia.Demo/Views/MainView.axaml.cs
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@@ -1,250 +1,22 @@
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Threading.Tasks;
using System.Windows.Input;
using Avalonia;
using Avalonia.Controls;
using Avalonia.Controls.ApplicationLifetimes;
using Avalonia.Styling;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using CommunityToolkit.Mvvm.Messaging;
using Semi.Avalonia.Demo.ViewModels;
namespace Semi.Avalonia.Demo.Views;
public partial class MainView : UserControl
{
private readonly MainViewModel _viewModel;
public MainView()
{
InitializeComponent();
this.DataContext = new MainViewModel();
DataContext = _viewModel = new MainViewModel();
WeakReferenceMessenger.Default.Register<string, string>(this, "JumpTo", MessageHandler);
}
private void MessageHandler(object _, string message)
{
foreach (var item in tab.ItemsView)
{
if (item is TabItem tabItem && tabItem.Header is not null && tabItem.Header.Equals(message))
{
tab.SelectedItem = tabItem;
break;
}
}
_viewModel.TryNavigateTo(message);
}
}
public partial class MainViewModel : ObservableObject
{
public string DocumentationUrl => "https://docs.irihi.tech/semi";
public string RepoUrl => "https://github.com/irihitech/Semi.Avalonia";
public IReadOnlyList<MenuItemViewModel> MenuItems { get; }
public MainViewModel()
{
MenuItems =
[
new MenuItemViewModel
{
Header = "Theme",
Items =
[
new MenuItemViewModel
{
Header = "Auto",
Command = FollowSystemThemeCommand
},
new MenuItemViewModel
{
Header = "Aquatic",
Command = SelectThemeCommand,
CommandParameter = SemiTheme.Aquatic
},
new MenuItemViewModel
{
Header = "Desert",
Command = SelectThemeCommand,
CommandParameter = SemiTheme.Desert
},
new MenuItemViewModel
{
Header = "Dusk",
Command = SelectThemeCommand,
CommandParameter = SemiTheme.Dusk
},
new MenuItemViewModel
{
Header = "NightSky",
Command = SelectThemeCommand,
CommandParameter = SemiTheme.NightSky
},
]
},
new MenuItemViewModel
{
Header = "Locale",
Items =
[
new MenuItemViewModel
{
Header = "简体中文",
Command = SelectLocaleCommand,
CommandParameter = new CultureInfo("zh-CN")
},
new MenuItemViewModel
{
Header = "English",
Command = SelectLocaleCommand,
CommandParameter = new CultureInfo("en-US")
},
new MenuItemViewModel
{
Header = "日本語",
Command = SelectLocaleCommand,
CommandParameter = new CultureInfo("ja-JP")
},
new MenuItemViewModel
{
Header = "한국어",
Command = SelectLocaleCommand,
CommandParameter = new CultureInfo("ko-KR")
},
new MenuItemViewModel
{
Header = "English (UK)",
Command = SelectLocaleCommand,
CommandParameter = new CultureInfo("en-GB")
},
new MenuItemViewModel
{
Header = "Italiano",
Command = SelectLocaleCommand,
CommandParameter = new CultureInfo("it-IT")
},
new MenuItemViewModel
{
Header = "Italiano (Switzerland)",
Command = SelectLocaleCommand,
CommandParameter = new CultureInfo("it-CH")
},
new MenuItemViewModel
{
Header = "Nederlands",
Command = SelectLocaleCommand,
CommandParameter = new CultureInfo("nl-NL")
},
new MenuItemViewModel
{
Header = "Nederlands (Belgium)",
Command = SelectLocaleCommand,
CommandParameter = new CultureInfo("nl-BE")
},
new MenuItemViewModel
{
Header = "Українська",
Command = SelectLocaleCommand,
CommandParameter = new CultureInfo("uk-UA")
},
new MenuItemViewModel
{
Header = "Русский",
Command = SelectLocaleCommand,
CommandParameter = new CultureInfo("ru-RU")
},
new MenuItemViewModel
{
Header = "繁體中文",
Command = SelectLocaleCommand,
CommandParameter = new CultureInfo("zh-TW")
},
new MenuItemViewModel
{
Header = "Deutsch",
Command = SelectLocaleCommand,
CommandParameter = new CultureInfo("de-DE")
},
new MenuItemViewModel
{
Header = "Español",
Command = SelectLocaleCommand,
CommandParameter = new CultureInfo("es-ES")
},
new MenuItemViewModel
{
Header = "Polski",
Command = SelectLocaleCommand,
CommandParameter = new CultureInfo("pl-PL")
},
new MenuItemViewModel
{
Header = "Français",
Command = SelectLocaleCommand,
CommandParameter = new CultureInfo("fr-FR")
},
]
}
];
}
[RelayCommand]
private void FollowSystemTheme()
{
Application.Current?.RegisterFollowSystemTheme();
}
[RelayCommand]
private void ToggleTheme()
{
var app = Application.Current;
if (app is null) return;
var theme = app.ActualThemeVariant;
app.RequestedThemeVariant = theme == ThemeVariant.Dark ? ThemeVariant.Light : ThemeVariant.Dark;
app.UnregisterFollowSystemTheme();
}
[RelayCommand]
private void SelectTheme(object? obj)
{
var app = Application.Current;
if (app is null) return;
app.RequestedThemeVariant = obj as ThemeVariant;
app.UnregisterFollowSystemTheme();
}
[RelayCommand]
private void SelectLocale(object? obj)
{
var app = Application.Current;
if (app is null) return;
SemiTheme.OverrideLocaleResources(app, obj as CultureInfo);
}
[RelayCommand]
private static async Task OpenUrl(string url)
{
var launcher = ResolveDefaultTopLevel()?.Launcher;
if (launcher is not null)
{
await launcher.LaunchUriAsync(new Uri(url));
}
}
private static TopLevel? ResolveDefaultTopLevel()
{
return Application.Current?.ApplicationLifetime switch
{
IClassicDesktopStyleApplicationLifetime desktopLifetime => desktopLifetime.MainWindow,
ISingleViewApplicationLifetime singleView => TopLevel.GetTopLevel(singleView.MainView),
_ => null
};
}
}
public class MenuItemViewModel
{
public string? Header { get; set; }
public ICommand? Command { get; set; }
public object? CommandParameter { get; set; }
public IList<MenuItemViewModel>? Items { get; set; }
}