GSS2Rework/GSS2/Controls/TouchNumericUpDown.cs

using Avalonia.Controls;
using Avalonia.Input;

using GSS2.ViewModels;
using GSS2.Views;

namespace GSS2.Controls;

public class TouchNumericUpDown : NumericUpDown
{
    protected override Type StyleKeyOverride => typeof(NumericUpDown);

    public TouchNumericUpDown()
    : base()
    {
        AddHandler(PointerPressedEvent, OnPointerPressed, handledEventsToo: true);
    }

    private void OnPointerPressed(object? sender, PointerPressedEventArgs ea)
    {
        if (ea.Pointer.Type != PointerType.Touch)
            return;
        var navigation = (Application.Current as Application)?.Navigation;
        if (navigation is null)
            return;

        var keyboardViewModel = new NumericKeyboardViewModel(navigation);
        keyboardViewModel.Value = (double?)Value;
        keyboardViewModel.Closes += (_, ea) =>
        {
            if (ea is null)
                return;
            Value = (decimal)ea.Value;
        };
        var keyboardView = new NumericKeyboardView()
        {
            DataContext = keyboardViewModel
        };
        navigation.NavigateTo(keyboardView);
    }
}