using System;
using System.Collections.ObjectModel;
using System.Globalization;
using System.Windows;
using System.Windows.Data;
using System.Windows.Markup;
using Gestor.Model.Domain.Ferramentas;

namespace Gestor.Common.Converters;

public class TemTarefaVisibilityConverter : MarkupExtension, IValueConverter
{
	public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
	{
		return (object)(Visibility)((value == null || ((ObservableCollection<Tarefa>)value).Count == 0) ? 2 : 0);
	}

	public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
	{
		return null;
	}

	public override object ProvideValue(IServiceProvider serviceProvider)
	{
		return this;
	}
}