NotificationTarget::showForNotification PHP Method

    function showForNotification(Notification $notification)
    {
        global $DB;
        if (!Notification::canView()) {
            return false;
        }
        if ($notification->getField('itemtype') != '') {
            $notifications_id = $notification->fields['id'];
            $canedit = $notification->can($notifications_id, UPDATE);
            if ($canedit) {
                echo "<form name='notificationtargets_form' id='notificationtargets_form'\n                  method='post' action=' ";
                echo Toolbox::getItemTypeFormURL(__CLASS__) . "'>";
                echo "<input type='hidden' name='notifications_id' value='" . $notification->getField('id') . "'>";
                echo "<input type='hidden' name='itemtype' value='" . $notification->getField('itemtype') . "'>";
            }
            echo "<table class='tab_cadre_fixe'>";
            echo "<tr><th colspan='4'>" . _n('Recipient', 'Recipients', Session::getPluralNumber()) . "</th></tr>";
            echo "<tr class='tab_bg_2'>";
            $values = array();
            foreach ($this->notification_targets as $key => $val) {
                list($type, $id) = explode('_', $key);
                $values[$key] = $this->notification_targets_labels[$type][$id];
            }
            $targets = getAllDatasFromTable('glpi_notificationtargets', 'notifications_id = ' . $notifications_id);
            $actives = array();
            if (count($targets)) {
                foreach ($targets as $data) {
                    $actives[$data['type'] . '_' . $data['items_id']] = $data['type'] . '_' . $data['items_id'];
                }
            }
            echo "<td>";
            Dropdown::showFromArray('_targets', $values, array('values' => $actives, 'multiple' => true, 'readonly' => !$canedit));
            echo "</td>";
            if ($canedit) {
                echo "<td width='20%'>";
                echo "<input type='submit' class='submit' name='update' value=\"" . _x('button', 'Update') . "\">";
                echo "</td>";
            }
            echo "</tr>";
            echo "</table>";
        }
        if ($canedit) {
            Html::closeForm();
        }
    }