Updates all Bridge types to properly support custom join maps from config. Corrects issues in DisplayControllerBridge due to static properties outside of LinkToApi method. (ECS-1153)

essentials-framework/Essentials Core/PepperDashEssentialsBase/JoinMaps/JoinMapBase.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Crestron.SimplSharp;
+
+using PepperDash.Essentials.Core.Config;
+
+namespace PepperDash.Essentials.Core
+{
+    public static class JoinMapHelper
+    {
+        /// <summary>
+        /// Attempts to get the serialized join map from config
+        /// </summary>
+        /// <param name="joinMapKey"></param>
+        /// <returns></returns>
+        public static string GetJoinMapForDevice(string joinMapKey)
+        {
+            if (string.IsNullOrEmpty(joinMapKey))
+                return null;
+
+            var joinMap = ConfigReader.ConfigObject.JoinMaps[joinMapKey];
+
+            if (joinMap != null)
+            {
+                return joinMap;
+            }
+            else
+                return null;
+        }
+    }
+
+
+    public abstract class JoinMapBase
+    {
+        /// <summary>
+        /// Modifies all the join numbers by adding the offset.  This should never be called twice
+        /// </summary>
+        /// <param name="joinStart"></param>
+        public abstract void OffsetJoinNumbers(uint joinStart);
+
+
+    }
+
+
+}