add noscript hint

Summary

Adds a hint "Please enable JavaScript" to the server's response. This should cover the cases where even the XSL transformation is disabled.

Tests needed to be updated in caosdb-pyinttest!5 (merged)

Test Environment

Go to a browser where XSLT is disabled when JS is disabled (older FF) and disable JS. The hint should be visible

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src/main/java/org/caosdb/server/resource/JdomRepresentation.java

@@ -28,6 +28,7 @@ import java.io.Writer;
 import org.caosdb.server.CaosDBServer;
 import org.caosdb.server.ServerProperties;
 import org.jdom2.Document;
+import org.jdom2.Element;
 import org.jdom2.ProcessingInstruction;
 import org.jdom2.output.Format;
 import org.jdom2.output.XMLOutputter;
@@ -68,6 +69,12 @@ public class JdomRepresentation extends WriterRepresentation {
     super(MediaType.TEXT_XML);
     this.indent = indent;
     this.document = document;
+    Element noscript = new Element("noscript");
+    Element div = new Element("h1");
+
+    div.addContent("Please enable JavaScript!");
+    noscript.addContent(div);
+    document.getRootElement().addContent(0, noscript);
     if (xslPath != null && document != null) {
       addStyleSheet(document, xslPath);
     }