protected void initComponents() {
      int border = 2;
      this.setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
      this.setBorder(BorderFactory.createEmptyBorder(4, 4, 4, 4));

      // Description label
      JPanel descriptionPanel = new JPanel(new GridLayout(0, 1, 0, 0));
      descriptionPanel.setBorder(BorderFactory.createEmptyBorder(border, border, border, border));
      String text = thread.getRetrievable().getName();
      text = text.length() > 40 ? text.substring(0, 37) + "..." : text;
      descriptionLabel = new JLabel(text);
      descriptionPanel.add(descriptionLabel);
      this.add(descriptionPanel);

      // Progrees and cancel button
      JPanel progressPanel = new JPanel();
      progressPanel.setLayout(new BoxLayout(progressPanel, BoxLayout.X_AXIS));
      progressPanel.setBorder(BorderFactory.createEmptyBorder(border, border, border, border));
      progressBar = new JProgressBar(0, 100);
      progressBar.setPreferredSize(new Dimension(100, 16));
      progressPanel.add(progressBar);
      progressPanel.add(Box.createHorizontalStrut(8));
      cancelButton = new JButton("Cancel");
      cancelButton.setBackground(Color.RED);
      cancelButton.addActionListener(
          new ActionListener() {
            public void actionPerformed(ActionEvent event) {
              cancelButtonActionPerformed(event);
            }
          });
      progressPanel.add(cancelButton);
      this.add(progressPanel);
    }