/** * Called when the selection changed in the tree. Loads the selected certificate. * * @param e the event */ private void valueChangedPerformed(TreeSelectionEvent e) { Object o = e.getNewLeadSelectionPath().getLastPathComponent(); if (o instanceof DefaultMutableTreeNode) { DefaultMutableTreeNode node = (DefaultMutableTreeNode) o; infoTextPane.setText(toString(node.getUserObject())); } }
/** * Constructs a X509 certificate panel. * * @param certificates <tt>X509Certificate</tt> objects */ public X509CertificatePanel(Certificate[] certificates) { setLayout(new BorderLayout(5, 5)); // Certificate chain list TransparentPanel topPanel = new TransparentPanel(new BorderLayout()); topPanel.add( new JLabel( "<html><body><b>" + R.getI18NString("service.gui.CERT_INFO_CHAIN") + "</b></body></html>"), BorderLayout.NORTH); DefaultMutableTreeNode top = new DefaultMutableTreeNode(); DefaultMutableTreeNode previous = top; for (int i = certificates.length - 1; i >= 0; i--) { Certificate cert = certificates[i]; DefaultMutableTreeNode next = new DefaultMutableTreeNode(cert); previous.add(next); previous = next; } JTree tree = new JTree(top); tree.setBorder(new BevelBorder(BevelBorder.LOWERED)); tree.setRootVisible(false); tree.setExpandsSelectedPaths(true); tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION); tree.setCellRenderer( new DefaultTreeCellRenderer() { @Override public Component getTreeCellRendererComponent( JTree tree, Object value, boolean sel, boolean expanded, boolean leaf, int row, boolean hasFocus) { JLabel component = (JLabel) super.getTreeCellRendererComponent( tree, value, sel, expanded, leaf, row, hasFocus); if (value instanceof DefaultMutableTreeNode) { Object o = ((DefaultMutableTreeNode) value).getUserObject(); if (o instanceof X509Certificate) { component.setText(getSimplifiedName((X509Certificate) o)); } else { // We don't know how to represent this certificate type, // let's use the first 20 characters String text = o.toString(); if (text.length() > 20) { text = text.substring(0, 20); } component.setText(text); } } return component; } }); tree.getSelectionModel() .addTreeSelectionListener( new TreeSelectionListener() { @Override public void valueChanged(TreeSelectionEvent e) { valueChangedPerformed(e); } }); tree.setSelectionPath( new TreePath((((DefaultTreeModel) tree.getModel()).getPathToRoot(previous)))); topPanel.add(tree, BorderLayout.CENTER); add(topPanel, BorderLayout.NORTH); // Certificate details pane Caret caret = infoTextPane.getCaret(); if (caret instanceof DefaultCaret) { ((DefaultCaret) caret).setUpdatePolicy(DefaultCaret.NEVER_UPDATE); } /* * Make JEditorPane respect our default font because we will be using it * to just display text. */ infoTextPane.putClientProperty(JEditorPane.HONOR_DISPLAY_PROPERTIES, true); infoTextPane.setOpaque(false); infoTextPane.setEditable(false); infoTextPane.setContentType("text/html"); infoTextPane.setText(toString(certificates[0])); final JScrollPane certScroll = new JScrollPane(infoTextPane); certScroll.setPreferredSize(new Dimension(300, 500)); add(certScroll, BorderLayout.CENTER); }