more refactoring

Sledgemapper/ExtensionMethods.cs

@@ -3,6 +3,8 @@ using System.IO;
 using Microsoft.Xna.Framework.Content;
 using Microsoft.Xna.Framework;
 using System.Linq;
+using Myra.Graphics2D.UI;
+using Myra.Graphics2D.Brushes;
 
 namespace Sledgemapper
 {
@@ -30,6 +32,35 @@ namespace Sledgemapper
         {
             return new Point(System.Math.Abs(point.X), System.Math.Abs(point.Y));
         }
+
+         public static (Window Window, C Content) GetParentContentInWindow<C>(this Widget widget) where C : Widget
+        {
+            Container container = widget.Parent;
+            while (!(container is Window))
+            {
+                container = container.Parent;
+            }
+
+            var localWindow = (Window)container;
+            var localContent = localWindow.Content as C;
+            return (localWindow, localContent);
+        }
+
+        public static bool ValidateTextbox(this TextBox textBox)
+        {
+            var valid = !string.IsNullOrWhiteSpace(textBox.Text);
+            if (!valid)
+            {
+                textBox.Background = new SolidBrush(Color.Red);
+            }
+            else
+            {
+                textBox.Background = new SolidBrush(new Color(51, 51, 51)); ;
+            }
+            return valid;
+
+        }
+
     }
 
 }