if (deleteButton == null){
deleteButton = new JButton();
deleteButton.setIcon(Messages.getImageIcon("Paraphrasing.Delete"));
deleteButton.setToolTipText(Messages.getString("Paraphrasing.Delete.Title"));
deleteButton.setEnabled(true);
deleteButton.addActionListener(new ButtonListener(this));
defineButtonSize(deleteButton);
deleteButton.setBorderPainted(false);
}
return deleteButton;