Feat: Allow preservation of layout

Author: 01Parzival10

bundles/org.dataflowanalysis.standalone/src/org/dataflowanalysis/standalone/analysis/Converter.java

@@ -89,9 +89,14 @@ public static WebEditorDfd analyzeAnnotate(WebEditorDfd webEditorDfd) {
     		dfdConverter.setConditions(constraints);
     	}
     	var newJson = dfdConverter.convert(dd).getModel();
-    	if (webEditorDfd.constraints() != null && !webEditorDfd.constraints().isEmpty()) 
-    		newJson.constraints().addAll(webEditorDfd.constraints()); //Reapply constraints
-    	return newJson;
+    	
+    	for (var child : newJson.model().children()) {
+    	    if (child.type().startsWith("node") && child.annotations() != null) {
+    	        var oldNode = webEditorDfd.model().children().stream().filter(node -> node.id().equals(child.id())).findAny().orElseThrow();
+    	        oldNode.annotations().addAll(child.annotations());
+    	    }
+    	}    	
+    	return webEditorDfd;
     }
 
     /**

bundles/org.dataflowanalysis.standalone/src/org/dataflowanalysis/standalone/websocket/WebSocketServerHandler.java

@@ -5,6 +5,7 @@
 import java.util.Map;
 import java.util.HashMap;
 
+import org.apache.log4j.Level;
 import org.apache.log4j.Logger;
 import org.dataflowanalysis.converter.web2dfd.model.WebEditorDfd;
 import org.dataflowanalysis.standalone.analysis.Converter;
@@ -78,6 +79,7 @@ public void onWebSocketError(Throwable cause)
     }
 
     private String handleIncomingMessage(int id, String message) {
+        logger.setLevel(Level.DEBUG);
     	logger.info("Message received");
         logger.debug(message);