private Constants constants = ((Constants) GWT.create(Constants.class));
public CategoryManager() {
PrettyFormLayout form = new PrettyFormLayout();
form.addHeader("images/edit_category.gif", new HTML(constants.EditCategories())); //NON-NLS
form.startSection(constants.CategoriesPurposeTip());
explorer = new CategoryExplorerWidget(new CategorySelectHandler() {
public void selected(String sel) {
//don't need this here as we don't do anything on select in this spot