/*
* Create the handler. TODO The image style is read at the workbench
* level, but it is hard to communicate this information to this point.
* For now, I'll pass null, but this ultimately won't work.
*/
final ActionDelegateHandlerProxy handler = new ActionDelegateHandlerProxy(
element, ATT_CLASS, actionId, command, window, null,
enabledWhenExpression, viewId);
// Read the help context id.
final String helpContextId = readOptional(element, ATT_HELP_CONTEXT_ID);