@Override
  public JComponent createComponent() {
    myMainPanel = new JPanel(new GridBagLayout());
    myNameField = new JTextField();
    myExtensionField = new JTextField(7);
    mySplitter = new Splitter(true, myProportion);
    myAdjustBox = new JCheckBox(IdeBundle.message("checkbox.reformat.according.to.style"));
    myLiveTemplateBox = new JCheckBox(IdeBundle.message("checkbox.enable.live.templates"));

    myTemplateEditor = createEditor(null);
    myFileName = new EditorTextField(createDocument(createFile("", "file name")), myProject, myVelocityFileType);
    myFileName.setFont(EditorUtil.getEditorFont());
    myFileName.setPlaceholder(IdeBundle.message("template.file.name"));
    myFileName.setShowPlaceholderWhenFocused(true);

    myDescriptionComponent = new JEditorPane();
    myDescriptionComponent.setEditorKit(HTMLEditorKitBuilder.simple());
    myDescriptionComponent.setText(EMPTY_HTML);
    myDescriptionComponent.setEditable(false);
    myDescriptionComponent.addHyperlinkListener(new BrowserHyperlinkListener());

    myTopPanel = new JPanel(new GridBagLayout());
    myTopPanel.setBorder(JBUI.Borders.emptyBottom(3));

    JPanel descriptionPanel = new JPanel(new GridBagLayout());
    descriptionPanel.add(new JLabel(IdeBundle.message("label.description")),
                         new GridBagConstraints(0, 0, 1, 1, 0.0, 0.0, GridBagConstraints.WEST, GridBagConstraints.NONE,
                                                JBUI.insetsBottom(2), 0, 0));
    descriptionPanel.add(ScrollPaneFactory.createScrollPane(myDescriptionComponent),
                         new GridBagConstraints(0, 1, 1, 1, 1.0, 1.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH,
                                                JBUI.insetsTop(2), 0, 0));

    myMainPanel.add(myTopPanel,
                    new GridBagConstraints(0, 0, 4, 1, 1.0, 0.0, GridBagConstraints.CENTER,
                                           GridBagConstraints.HORIZONTAL, JBInsets.emptyInsets(), 0, 0));
    myMainPanel.add(mySplitter,
                    new GridBagConstraints(0, 2, 4, 1, 1.0, 1.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH,
                                           JBInsets.emptyInsets(), 0, 0));

    mySplitter.setSecondComponent(descriptionPanel);
    updateTopPanel(false);

    myNameField.addFocusListener(new FocusAdapter() {
      @Override
      public void focusLost(@NotNull FocusEvent e) {
        onNameChanged();
      }
    });
    myExtensionField.addFocusListener(new FocusAdapter() {
      @Override
      public void focusLost(@NotNull FocusEvent e) {
        onNameChanged();
      }
    });
    myMainPanel.setPreferredSize(JBUI.size(400, 300));
    return myMainPanel;
  }
@Override
  public JComponent createComponent()