public HighlightEntities(NamedObj container, String name)
throws IllegalActionException, NameDuplicationException {
super(container, name);
// Define an icon that displays the label.
BoxedValueIcon _icon = new BoxedValueIcon(this, "_icon");
_icon.attributeName.setExpression("label");
_icon.displayWidth.setExpression("40");
// Attribute that specifies what to do on double click.
new HighlightIcons(this, "_highlightIcons");