protected void updateCategoryChooser() { if (categoryChooser != null) { ArrayList<String> categories; categoryChooser.removeAllItems(); categories = new ArrayList<String>(contribListing.getCategories(filter)); // for (int i = 0; i < categories.size(); i++) { // System.out.println(i + " category: " + categories.get(i)); // } Collections.sort(categories); // categories.add(0, ContributionManagerDialog.ANY_CATEGORY); boolean categoriesFound = false; categoryChooser.addItem(ContributionManagerDialog.ANY_CATEGORY); for (String s : categories) { categoryChooser.addItem(s); if (!s.equals(Contribution.UNKNOWN_CATEGORY)) { categoriesFound = true; } } categoryChooser.setVisible(categoriesFound); } }