/**
* Action called when Help button is pressed.
*/
public void actionHelp() {
EnumWikipedia wikipedia = getWikipedia();
WPCConfigurationString attributeHelpURL = WPCConfigurationString.HELP_URL;
String url = EnumWikipedia.EN.getConfiguration().getString(attributeHelpURL);
if ((wikipedia != null) && (wikipedia.getConfiguration().getString(attributeHelpURL) != null)) {
url = wikipedia.getConfiguration().getString(attributeHelpURL);
}
if (Utilities.isDesktopSupported()) {