@Override @Nullable protected ClasspathTableItem<?> createTableItem(final Library item) { // clear invalid order entry corresponding to added library if any final ModifiableRootModel rootModel = myClasspathPanel.getRootModel(); final OrderEntry[] orderEntries = rootModel.getOrderEntries(); for (OrderEntry orderEntry : orderEntries) { if (orderEntry instanceof LibraryOrderEntry) { final LibraryOrderEntry libraryOrderEntry = (LibraryOrderEntry) orderEntry; if (item.equals(libraryOrderEntry.getLibrary())) { return ClasspathTableItem.createItem(libraryOrderEntry, myContext); } String name = item.getName(); if (name != null && name.equals(libraryOrderEntry.getLibraryName())) { if (orderEntry.isValid()) { Messages.showErrorDialog( ProjectBundle.message("classpath.message.library.already.added", item.getName()), ProjectBundle.message("classpath.title.adding.dependency")); return null; } else { rootModel.removeOrderEntry(orderEntry); } } } } final LibraryOrderEntry orderEntry = rootModel.addLibraryEntry(item); DependencyScope defaultScope = getDefaultScope(item); if (defaultScope != null) { orderEntry.setScope(defaultScope); } return ClasspathTableItem.createItem(orderEntry, myContext); }