Play button does now play/pause the video in admin interface

common/lkt.js

@@ -134,7 +134,25 @@ class LktClient {
     }
 
     static commandPlay() {
-        return LktClient.__execSimple('play');
+        var status= LktClient.commandStatus();
+        return status.then(LktClient.changePlayStatus,LktClient.errorStatus);
+    }
+    static changePlayStatus(status)
+    {
+        switch(status.state)
+        {
+            case "play":
+                return LktClient.__execSimple("pause 1");
+                break;
+            case "pause":
+                return LktClient.__execSimple("pause 0");
+                break;
+            case "stop":
+                return LktClient.__execSimple("play");
+                break;
+            default:
+                logger.info("Unknown play state"+status.state);
+        }
     }
     static commandStop() {
         return LktClient.__execSimple('stop');
@@ -155,6 +173,10 @@ class LktClient {
     static commandQueueDelId(id) {
         return LktClient.__execSimple(`deleteid ${id}`);
     }
+    static errorStatus(error)
+    {
+        logger.error("Unable to access lektor status:" + error);
+    }
 }
 
 function __mpdToObject(string) {