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feat: add JumpTo functionality in ApplicationViewModel and integrate with menu.

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This commit is contained in:
Zhang Dian
2025-09-28 18:02:09 +08:00
parent 5384de7b23
commit 9dd846f6be
3 changed files with 37 additions and 2 deletions
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16
demo/Semi.Avalonia.Demo/App.axaml
View File

@@ -20,6 +20,14 @@
</ResourceDictionary.MergedDictionaries>
</ResourceDictionary>
</Application.Resources>
<NativeMenu.Menu>
<NativeMenu>
<NativeMenuItem
Header="About Us"
Command="{Binding JumpToCommand}"
CommandParameter="{Binding $self.Header}" />
</NativeMenu>
</NativeMenu.Menu>
<TrayIcon.Icons>
<TrayIcons>
<TrayIcon
@@ -28,7 +36,13 @@
ToolTipText="Semi Avalonia Demo">
<TrayIcon.Menu>
<NativeMenu>
<NativeMenuItem Header="Exit" Command="{Binding ExitCommand}" />
<NativeMenuItem
Header="About Us"
Command="{Binding JumpToCommand}"
CommandParameter="{Binding $self.Header}" />
<NativeMenuItem
Header="Exit"
Command="{Binding ExitCommand}" />
</NativeMenu>
</TrayIcon.Menu>
</TrayIcon>

7
demo/Semi.Avalonia.Demo/ViewModels/ApplicationViewModel.cs
View File

@@ -2,11 +2,18 @@ using Avalonia;
using Avalonia.Controls.ApplicationLifetimes;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using CommunityToolkit.Mvvm.Messaging;
namespace Semi.Avalonia.Demo.ViewModels;
public partial class ApplicationViewModel : ObservableObject
{
[RelayCommand]
private void JumpTo(string header)
{
WeakReferenceMessenger.Default.Send(header, "JumpTo");
}
[RelayCommand]
private void Exit()
{

16
demo/Semi.Avalonia.Demo/Views/MainView.axaml.cs
View File

@@ -9,6 +9,7 @@ using Avalonia.Controls.ApplicationLifetimes;
using Avalonia.Styling;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using CommunityToolkit.Mvvm.Messaging;
namespace Semi.Avalonia.Demo.Views;
@@ -18,6 +19,19 @@ public partial class MainView : UserControl
{
InitializeComponent();
this.DataContext = 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;
}
}
}
}
@@ -233,4 +247,4 @@ public class MenuItemViewModel
public ICommand? Command { get; set; }
public object? CommandParameter { get; set; }
public IList<MenuItemViewModel>? Items { get; set; }
}
}