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ConventionBinder now binds IDialogViewModel.Submit to close the associated view

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This commit is contained in:
Markus Ewald 2025-07-05 20:17:19 +02:00
parent 364b8919b5
commit e11922ae4f
3 changed files with 73 additions and 5 deletions
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24
Source/AutoBinding/ConventionBinder.cs
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@ -21,6 +21,9 @@ using System;
using Avalonia.Controls;
using Nuclex.Avalonia.ViewModels;
using Nuclex.Avalonie.ViewModels;
namespace Nuclex.Avalonia.AutoBinding {
/// <summary>
@ -55,6 +58,27 @@ namespace Nuclex.Avalonia.AutoBinding {
/// <param name="view">View that will be bound</param>
/// <param name="viewModel">View model the view will be bound to</param>
private void bind(Control view, object viewModel) {
IDialogViewModel? dialogViewModel = viewModel as IDialogViewModel;
if(dialogViewModel != null) {
Window? viewAsWindow = view as Window;
if(viewAsWindow != null) {
EventHandler<DialogResultEventArgs> handler = (
delegate(object sender, DialogResultEventArgs arguments) {
viewAsWindow.Close(arguments.Result);
}
);
dialogViewModel.Submitted += handler;
// Does this help anything?
// Without it, the view has a reference to the view model (via DataContext),
// and the view model references the view (via event subscription), but this
// shouldn't bother the .NET garbage collector at all.
viewAsWindow.Closed += delegate(object sender, EventArgs arguments) {
dialogViewModel.Submitted -= handler;
};
}
}
}
}