protected void showErrorPage(final ErrorInfo info) {
    storeState();
    hideProgress();
    myRootComponent = null;

    myErrorMessages.removeAll();

    if (info.myShowStack) {
      info.myMessages.add(
          0, new FixableMessageInfo(true, info.myDisplayMessage, "", "", null, null));

      ByteArrayOutputStream stream = new ByteArrayOutputStream();
      info.myThrowable.printStackTrace(new PrintStream(stream));
      myErrorStack.setText(stream.toString());
      myErrorStackLayout.show(myErrorStackPanel, ERROR_STACK_CARD);
    } else {
      myErrorStack.setText(null);
      myErrorStackLayout.show(myErrorStackPanel, ERROR_NO_STACK_CARD);
    }

    for (FixableMessageInfo message : info.myMessages) {
      addErrorMessage(
          message, message.myErrorIcon ? Messages.getErrorIcon() : Messages.getWarningIcon());
    }

    myErrorPanel.revalidate();
    myLayout.show(this, ERROR_CARD);

    DesignerToolWindowManager.getInstance(getProject()).refresh(true);
    repaint();
  }
 protected final void showDesignerCard() {
   myErrorMessages.removeAll();
   myErrorStack.setText(null);
   myLayeredPane.revalidate();
   myHorizontalCaption.update();
   myVerticalCaption.update();
   myLayout.show(this, DESIGNER_CARD);
 }