Artifact aa1a9c8a6e033315cc281bd51b8861606c8a2871af144330d19309b4f1d2e2f2:

• File PointlessWaymarks.WpfCommon/Behaviors/EmptyCollectionToCollapsedConverter.cs — part of check-in [2ca094c9fe] at 2024-06-07 03:18:35 on branch main — 1st Commit Trying Out a Common Library Intent for now is as a submodule. (user: charles@cmiles.info size: 790)

using System.Globalization;
using System.Windows;
using System.Windows.Data;
using PointlessWaymarks.CommonTools;

namespace PointlessWaymarks.WpfCommon.Behaviors;

public class EmptyCollectionToCollapsedConverter : IValueConverter
{
    public object Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
    {
        var dynamicValue = value as dynamic;

        if (dynamicValue is not null && DynamicTypeTools.PropertyExists(dynamicValue, "Count"))
        {
            return dynamicValue.Count > 0 ? Visibility.Visible : Visibility.Collapsed;
        }

        return Visibility.Visible;
    }

    public object ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
    {
        throw new NotImplementedException();
    }
}