public void showHTMLCode(String codeSource) {
    final DialogBox codePopup = new DialogBox(true, true);
    codePopup.setGlassEnabled(true);
    codePopup.setText(constants.showCodeTitle());

    String[] lignesCode = codeSource.split("\n");

    VerticalPanel tab = new VerticalPanel();

    for (String ligneCode : lignesCode) {
      String maLigne = new String(ligneCode);

      String[] ligne = ligneCode.split("\t");
      for (String texte : ligne) {
        if (texte.equals("")) {
          maLigne = "    " + maLigne;
        }
      }
      maLigne = maLigne.replace("<", "&lt;");
      maLigne = maLigne.replace("div", "<span style='color: blue;'>div</span>");
      maLigne = maLigne.replace("id=", "<span style='color: red;'>id</span>=");
      maLigne = maLigne.replace("class", "<span style='color: red;'>class</span>");

      int commentBegin = maLigne.indexOf("&lt;!--");

      if (commentBegin != -1) {
        int commentEnd = maLigne.indexOf("-->");
        String comment = maLigne.substring(commentBegin, commentEnd + 3);
        maLigne = maLigne.replace(comment, "<span style='color: #008000;'>" + comment + "</span>");
      }

      HTML htmlLine = new HTML(maLigne);
      htmlLine.setStyleName("builder-source");
      tab.add(htmlLine);
    }

    Button closeButton =
        new Button(
            constants.close(),
            new ClickHandler() {
              public void onClick(ClickEvent event) {
                codePopup.hide();
              }
            });

    tab.add(closeButton);
    tab.setCellHorizontalAlignment(closeButton, HasHorizontalAlignment.ALIGN_CENTER);

    codePopup.add(tab);
    codePopup.center();
    codePopup.show();
  }
  public void showCloseButtonPanel() {
    CaptionPanel closePanel = new CaptionPanel(constants.closeTitle());
    closePanel.setWidth("185px");

    VerticalPanel vp = new VerticalPanel();
    vp.setWidth("100%");
    vp.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_CENTER);

    closeButton = new Button(constants.close());

    vp.add(closeButton);

    closePanel.setContentWidget(vp);

    builderContent.add(closePanel);
  }