atomui/samples/AtomUI.Demo.Desktop/ShowCase/ButtonSpinnerShowCase.axaml.cs

using Avalonia.Controls;

namespace AtomUI.Demo.Desktop.ShowCase;

public partial class ButtonSpinnerShowCase : UserControl
{
    public ButtonSpinnerShowCase()
    {
        InitializeComponent();
    }

    public void HandleSpin(object sender, SpinEventArgs e)
    {
        var spinner = (ButtonSpinner)sender;

        if (spinner.Content is TextBlock textBlock)
        {
            var value = Array.IndexOf(_spinnerItems, textBlock.Text);
            if (e.Direction == SpinDirection.Increase)
            {
                value++;
            }
            else
            {
                value--;
            }

            if (value < 0)
            {
                value = _spinnerItems.Length - 1;
            }
            else if (value >= _spinnerItems.Length)
            {
                value = 0;
            }

            textBlock.Text = _spinnerItems[value];
        }
    }

    private readonly string[] _spinnerItems =
    {
        "床前明月光",
        "疑是地上霜",
        "举头望明月",
        "低头思故乡"
    };
}