/** Put the widget in single activity mode. */ private void setSingleActivityMode() { sortPanel.setVisible(false); titlePanel.setVisible(false); postContent.setVisible(false); stream.setVisible(false); searchStatusWidget.setVisible(false); searchBoxWidget.setVisible(false); feedLinkWidget.setVisible(false); sortSearchRow.setVisible(false); EventBus.getInstance().notifyObservers(new ChangeActivityModeEvent(true)); }