if (e.getSource().toString() == "CustomContact") {
m.openChatEvent((((CustomContact) e.getSource()).getU()));
// setter le border du user choisi a jaune
((CustomContact) e.getSource()).setBorder(new LineBorder(Color.YELLOW));
// setter le user choisi
m.setSelectedUser(((CustomContact) e.getSource()).getU());
// si on clique sur le chat window
} else if (e.getSource().getClass().equals(CustomPanel.class)) {
// set a new selected USer
m.setSelectedUser(((CustomPanel) e.getSource()).getU());
m.getContactListHash().get(m.getSelectedUser().getUsername()).setBorder(new LineBorder(Color.YELLOW));
}
m.getBtnRemoveContact().setEnabled(true);