src/main/java/ch/psi/mxsc/Controller.java

@@ -270,6 +270,14 @@ public class Controller {
             return null;
         }
     }
+    
+    public Boolean isPuckLoading() {
+        try {
+            return getMainFrame().eval("is_puck_loading()", true).equals(true);
+        } catch (Exception ex) {
+            return null;
+        }
+    }    
 
     public String getWorkingMode() {
         try {