innerPanel.add(innerErrorMessagepanel);
innerErrorMessagepanel.add(new HTML(GuiFactory.strings.fillNamesAndValues()));
// ok button of the hidden inner panel
Button okButton = new Button(GuiFactory.strings.ok());
okButton.addClickListener(new ClickListener() {
public void onClick(Widget sender) {
if ((typeTextBox.getText().replaceAll("\n", "").length() > 0) && (optionsTextArea.getText().length() > 0)) {
innerErrorMessagepanel.setVisible(false);
if (!ParamItem.customTypes.contains(typeTextBox.getText())) {