* Action called when Reload button is pressed.
*/
@Override
protected void actionReload() {
clean();
FullAnalysisWorker reloadWorker = new FullAnalysisWorker(
getWikipedia(), this, getPage(), knownPages, allAlgorithms);
knownPages = null;
setupReloadWorker(reloadWorker);
reloadWorker.start();
}