Version 3.0.381

SharedGui.Tests/View/StringNotNullOrEmptyToVisibleConverter.cs

@@ -0,0 +1,22 @@
+using System.Globalization;
+using Xamarin.Forms;
+
+namespace ShareeBike.View
+{
+	/// <summary> Converts a string into visible state. If string is null or empty element becomes invisible.</summary>
+	public class StringNotNullOrEmptyToVisibleConverter : IValueConverter
+	{
+		/// <summary> Converts a string into visible state.</summary>
+		/// <param name="value">Text value from view model used to derive whether object is visible or not.</param>
+		/// <returns>Boolean value indicating whether object is visible or not.</returns>
+		public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+		{
+			return value != null && value is string text && !string.IsNullOrEmpty(text);
+		}
+
+		public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+		{
+			return "";
+		}
+	}
+}