Calendar::getTypeName PHP Method

    static function getTypeName($nb = 0)
    {
        return _n('Calendar', 'Calendars', $nb);
    }

 /**
  * Show holidays for a calendar
  *
  * @param $calendar Calendar object
  **/
 static function showForCalendar(Calendar $calendar)
 {
     global $DB, $CFG_GLPI;
     $ID = $calendar->getField('id');
     if (!$calendar->can($ID, 'r')) {
         return false;
     }
     $canedit = $calendar->can($ID, 'w');
     $rand = mt_rand();
     $query = "SELECT DISTINCT `glpi_calendars_holidays`.`id` AS linkID,\n                                `glpi_holidays`.*\n                FROM `glpi_calendars_holidays`\n                LEFT JOIN `glpi_holidays`\n                     ON (`glpi_calendars_holidays`.`holidays_id` = `glpi_holidays`.`id`)\n                WHERE `glpi_calendars_holidays`.`calendars_id` = '{$ID}'\n                ORDER BY `glpi_holidays`.`name`";
     $result = $DB->query($query);
     $holidays = array();
     $used = array();
     if ($numrows = $DB->numrows($result)) {
         while ($data = $DB->fetch_assoc($result)) {
             $holidays[$data['id']] = $data;
             $used[$data['id']] = $data['id'];
         }
     }
     if ($canedit) {
         echo "<div class='firstbloc'>";
         echo "<form name='calendarsegment_form{$rand}' id='calendarsegment_form{$rand}' method='post'\n                action='";
         echo Toolbox::getItemTypeFormURL(__CLASS__) . "'>";
         echo "<table class='tab_cadre_fixe'>";
         echo "<tr class='tab_bg_1'><th colspan='7'>" . __('Add a close time') . "</tr>";
         echo "<tr class='tab_bg_2'><td class='right'  colspan='4'>";
         echo "<input type='hidden' name='calendars_id' value='{$ID}'>";
         Holiday::dropdown(array('used' => $used, 'entity' => $calendar->fields["entities_id"]));
         echo "</td><td class='center'>";
         echo "<input type='submit' name='add' value=\"" . _sx('button', 'Add') . "\" class='submit'>";
         echo "</td></tr>";
         echo "</table>";
         Html::closeForm();
         echo "</div>";
     }
     echo "<div class='spaced'>";
     if ($canedit && $numrows) {
         Html::openMassiveActionsForm('mass' . __CLASS__ . $rand);
         $paramsma = array('num_displayed' => $numrows);
         Html::showMassiveActions(__CLASS__, $paramsma);
     }
     echo "<table class='tab_cadre_fixehov'>";
     echo "<tr>";
     if ($canedit && $numrows) {
         echo "<th width='10'>";
         Html::checkAllAsCheckbox('mass' . __CLASS__ . $rand);
         echo "</th>";
     }
     echo "<th>" . __('Name') . "</th>";
     echo "<th>" . __('Start') . "</th>";
     echo "<th>" . __('End') . "</th>";
     echo "<th>" . __('Recurrent') . "</th>";
     echo "</tr>";
     $used = array();
     if ($numrows) {
         Session::initNavigateListItems('Holiday', sprintf(__('%1$s = %2$s'), Calendar::getTypeName(1), $calendar->fields["name"]));
         foreach ($holidays as $data) {
             Session::addToNavigateListItems('Holiday', $data["id"]);
             echo "<tr class='tab_bg_1'>";
             if ($canedit) {
                 echo "<td>";
                 Html::showMassiveActionCheckBox(__CLASS__, $data["linkID"]);
                 echo "</td>";
             }
             echo "<td><a href='" . Toolbox::getItemTypeFormURL('Holiday') . "?id=" . $data['id'] . "'>" . $data["name"] . "</a></td>";
             echo "<td>" . Html::convDate($data["begin_date"]) . "</td>";
             echo "<td>" . Html::convDate($data["end_date"]) . "</td>";
             echo "<td>" . Dropdown::getYesNo($data["is_perpetual"]) . "</td>";
             echo "</tr>";
         }
     }
     echo "</table>";
     if ($canedit && $numrows) {
         $paramsma['ontop'] = false;
         Html::showMassiveActions(__CLASS__, $paramsma);
         Html::closeForm();
     }
     echo "</div>";
 }