From fa3862d3429f617528a9de3f4d33b4006294d505 Mon Sep 17 00:00:00 2001
From: Paul Schneider <paul@pschneider.fr>
Date: Fri, 7 Oct 2016 14:29:06 +0200
Subject: [PATCH] a boolean to abject converter

---
 .../Converters/BooleanToObjectConverter.cs    | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 BookAStar/BookAStar/Converters/BooleanToObjectConverter.cs

diff --git a/BookAStar/BookAStar/Converters/BooleanToObjectConverter.cs b/BookAStar/BookAStar/Converters/BooleanToObjectConverter.cs
new file mode 100644
index 00000000..97c4df0e
--- /dev/null
+++ b/BookAStar/BookAStar/Converters/BooleanToObjectConverter.cs
@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Xamarin.Forms;
+
+namespace BookAStar.Converters
+{
+    class BooleanToObjectConverter<T> : IValueConverter
+    {
+        public T FalseObject { set; get; }
+
+        public T TrueObject { set; get; }
+
+        public object Convert(object value, Type targetType,
+                              object parameter, CultureInfo culture)
+        {
+            return (bool)value ? this.TrueObject : this.FalseObject;
+        }
+
+        public object ConvertBack(object value, Type targetType,
+                                  object parameter, CultureInfo culture)
+        {
+            return ((T)value).Equals(this.TrueObject);
+        }
+    }
+}