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MnemonicSuggestionBehavior.cs
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MnemonicSuggestionBehavior.cs
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using Avalonia;
using Avalonia.Controls;
using Avalonia.Xaml.Interactivity;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reactive.Disposables;
using System.Reactive.Linq;
using WalletWasabi.Gui.Tabs.WalletManager;
namespace WalletWasabi.Gui.Behaviors
{
internal class MnemonicSuggestionBehavior : Behavior<TextBox>
{
private CompositeDisposable _disposables;
private static readonly AvaloniaProperty<IEnumerable<MnemonicViewModel>> SuggestionItemsProperty =
AvaloniaProperty.Register<MnemonicSuggestionBehavior, IEnumerable<MnemonicViewModel>>(nameof(SuggestionItems), defaultBindingMode: Avalonia.Data.BindingMode.TwoWay);
public IEnumerable<MnemonicViewModel> SuggestionItems
{
get => GetValue(SuggestionItemsProperty);
set => SetValue(SuggestionItemsProperty, value);
}
protected override void OnAttached()
{
_disposables = new CompositeDisposable();
base.OnAttached();
_disposables.Add(AssociatedObject.AddHandler(TextBox.KeyDownEvent, (sender, e) =>
{
if (e.Key == Avalonia.Input.Key.Tab)
{
HandleAutoUpdate();
e.Handled = true;
}
}));
}
protected override void OnDetaching()
{
base.OnDetaching();
_disposables.Dispose();
}
private void HandleAutoUpdate()
{
var textBox = AssociatedObject;
var text = textBox.Text;
var enteredWordList = text.Split(' ', StringSplitOptions.RemoveEmptyEntries);
var lastWorld = enteredWordList.LastOrDefault();
var suggestions = SuggestionItems;
if(suggestions.Count() == 1)
{
suggestions.First().OnSelected();
}
}
}
}