code: public static ToolbarBaseAction getToolbarAction(String key, MapWidget mapWidget) {
  		ToolCreator toolCreator = REGISTRY.get(key);
  		if (null == toolCreator) {
  			return null;
  		}
  		return toolCreator.createTool(mapWidget);
  	}
docs: Get the toolbar action which matches the given key.
  
  @param key
  key for toolbar action
  @param mapWidget
  map which will contain this tool
  @return toolbar action or null when key not found