/**
* Makes the bar visible and sensitive to LogOutoutListener events that should deliver actual
* content to be displayed.
*/
public void annotate() {
annotated = true;
elementAnnotations = Collections.<Element, AnnotateLine>emptyMap();
doc.addDocumentListener(this);
textComponent.addComponentListener(this);
editorUI.addPropertyChangeListener(this);
revalidate(); // resize the component
}
