subToolBar = createSubtoolbar();
setHeaderControl(subToolBar);
// Create the list that will contain the channels. Uses a custom
// renderer.
HTMLFeedDisplayConfig htmlConfig = new HTMLFeedDisplayConfig();
ImageFeedDisplayConfig imageConfig = new ImageFeedDisplayConfig();
RenderingManager.addPropertyChangeListener(htmlConfig.getRenderingManagerListener());
RenderingManager.addPropertyChangeListener(imageConfig.getRenderingManagerListener());
// Get page size user preferences and subscribe to updates
UserPreferences preferences = GlobalModel.SINGLETON.getUserPreferences();
PropertyAdapter paPageSize = new PropertyAdapter(preferences, UserPreferences.PROP_PAGE_SIZE, true);