createToolbar();
ArticleListModel articlemodel = new ArticleListModel();
articleList = new JList(articlemodel);
articleList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
articleList.setCellRenderer(new ArticleCellRenderer());
articleList.addListSelectionListener(new ListSelectionListener() {
public void valueChanged(ListSelectionEvent e) {
if(e.getValueIsAdjusting()) return;
Article a = (Article) articleList.getSelectedValue();