public MavenArchetypesStep(MavenModuleBuilder builder, @Nullable StepAdapter step) { myBuilder = builder; myStep = step; Disposer.register(this, myLoadingIcon); myArchetypesTree = new Tree(); myArchetypesTree.setModel(new DefaultTreeModel(new DefaultMutableTreeNode())); JScrollPane archetypesScrollPane = ScrollPaneFactory.createScrollPane(myArchetypesTree); myArchetypesPanel.add(archetypesScrollPane, "archetypes"); JPanel loadingPanel = new JPanel(new GridBagLayout()); JPanel bp = new JPanel(new BorderLayout(10, 10)); bp.add(new JLabel("Loading archetype list..."), BorderLayout.NORTH); bp.add(myLoadingIcon, BorderLayout.CENTER); loadingPanel.add(bp, new GridBagConstraints()); myArchetypesPanel.add(ScrollPaneFactory.createScrollPane(loadingPanel), "loading"); ((CardLayout) myArchetypesPanel.getLayout()).show(myArchetypesPanel, "archetypes"); myUseArchetypeCheckBox.addItemListener( new ItemListener() { @Override public void itemStateChanged(ItemEvent e) { updateComponents(); archetypeMayBeChanged(); } }); myAddArchetypeButton.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { doAddArchetype(); } }); myArchetypesTree.setRootVisible(false); myArchetypesTree.setShowsRootHandles(true); myArchetypesTree.setCellRenderer(new MyRenderer()); myArchetypesTree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION); myArchetypesTree .getSelectionModel() .addTreeSelectionListener( new TreeSelectionListener() { public void valueChanged(TreeSelectionEvent e) { updateArchetypeDescription(); archetypeMayBeChanged(); } }); new TreeSpeedSearch( myArchetypesTree, new Convertor<TreePath, String>() { public String convert(TreePath path) { MavenArchetype info = getArchetypeInfoFromPathComponent(path.getLastPathComponent()); return info.groupId + ":" + info.artifactId + ":" + info.version; } }) .setComparator(new SpeedSearchComparator(false)); myArchetypeDescriptionField.setEditable(false); myArchetypeDescriptionField.setBackground(UIUtil.getPanelBackground()); requestUpdate(); updateComponents(); }