public void mouseClicked(MouseEvent e)
        {
            if (e.getButton() == MouseEvent.BUTTON1 && e.getClickCount() == 2 
            		&& typeAction.equals(Constantes.CHANGE_CURSEUR)) {
                Object o = mcdComponent.getObjectFromLocation(e.getX(), e
                        .getY());
                if (o instanceof MCDLien) {
                    lienDialog.load((MCDLien) o);
                } else if (o instanceof MCDAssociation) {
                	entiteDialog = new EntiteDialog(mcdComponent.getData());
                    entiteDialog.load((MCDAssociation) o);
                } else if (o instanceof MCDEntite) {
                	entiteDialog = new EntiteDialog(mcdComponent.getData());
                    entiteDialog.load((MCDObjet) o);
                }
            }
        }