/**
 * @param wdcal_local $localization
 * @param string $baseurl
 * @param int $calendar_id
 * @param int $uri
 * @return string
 */
function wdcal_getEditPage_str(&$localization, $baseurl, $calendar_id, $uri)
{
    $server = dav_create_server(true, true, false);
    if ($uri > 0) {
        $calendar = dav_get_current_user_calendar_by_id($server, $calendar_id, DAV_ACL_WRITE);
        if (!$calendar) {
            $calendar = dav_get_current_user_calendar_by_id($server, $calendar_id, DAV_ACL_READ);
            $calendars = array();
        } else {
            $calendars = dav_get_current_user_calendars($server, DAV_ACL_WRITE);
        }
        if ($calendar == null) {
            return "Calendar not found";
        }
        $obj_uri = Sabre_CalDAV_Backend_Common::loadCalendarobjectById($uri);
        $vObject = dav_get_current_user_calendarobject($server, $calendar, $obj_uri["uri"], DAV_ACL_WRITE);
        $component = dav_get_eventComponent($vObject);
        if ($component == null) {
            return t('Could not open component for editing');
        }
        /** @var Sabre\VObject\Property\DateTime $dtstart  */
        $dtstart = $component->__get("DTSTART");
        $event = array("id" => IntVal($uri), "Summary" => $component->__get("SUMMARY") ? $component->__get("SUMMARY")->value : null, "StartTime" => $dtstart->getDateTime()->getTimeStamp(), "EndTime" => Sabre_CalDAV_Backend_Common::getDtEndTimeStamp($component), "IsAllDayEvent" => strlen($dtstart->value) == 8, "Description" => $component->__get("DESCRIPTION") ? $component->__get("DESCRIPTION")->value : null, "Location" => $component->__get("LOCATION") ? $component->__get("LOCATION")->value : null, "Color" => $component->__get("X-ANIMEXX-COLOR") ? $component->__get("X-ANIMEXX-COLOR")->value : null);
        $exdates = $component->select("EXDATE");
        $recurrentce_exdates = array();
        /** @var Sabre\VObject\Property\MultiDateTime $x */
        foreach ($exdates as $x) {
            /** @var DateTime $y */
            $z = $x->getDateTimes();
            foreach ($z as $y) {
                $recurrentce_exdates[] = $y->getTimeStamp();
            }
        }
        $notifications = array();
        $alarms = $component->select("VALARM");
        foreach ($alarms as $alarm) {
            /** @var Sabre_VObject_Component_VAlarm $alarm */
            $action = $alarm->__get("ACTION")->value;
            $trigger = $alarm->__get("TRIGGER");
            if (isset($trigger['VALUE']) && strtoupper($trigger['VALUE']) !== 'DURATION') {
                notice("The notification of this event cannot be parsed");
                continue;
            }
            /** @var DateInterval $triggerDuration  */
            $triggerDuration = Sabre_VObject_DateTimeParser::parseDuration($trigger);
            $unit = "hour";
            $value = 1;
            if ($triggerDuration->s > 0) {
                $unit = "second";
                $value = $triggerDuration->s + $triggerDuration->i * 60 + $triggerDuration->h * 3600 + $triggerDuration->d * 3600 * 24;
                // @TODO support more than days?
            } elseif ($triggerDuration->i) {
                $unit = "minute";
                $value = $triggerDuration->i + $triggerDuration->h * 60 + $triggerDuration->d * 60 * 24;
            } elseif ($triggerDuration->h) {
                $unit = "hour";
                $value = $triggerDuration->h + $triggerDuration->d * 24;
            } elseif ($triggerDuration->d > 0) {
                $unit = "day";
                $value = $triggerDuration->d;
            }
            $rel = isset($trigger['RELATED']) && strtoupper($trigger['RELATED']) == 'END' ? 'end' : 'start';
            $notifications[] = array("action" => strtolower($action), "rel" => $rel, "trigger_unit" => $unit, "trigger_value" => $value);
        }
        if ($component->select("RRULE")) {
            $recurrence = new Sabre_VObject_RecurrenceIterator($vObject, (string) $component->__get("UID"));
        } else {
            $recurrence = null;
        }
    } elseif (isset($_REQUEST["start"]) && $_REQUEST["start"] > 0) {
        $calendars = dav_get_current_user_calendars($server, DAV_ACL_WRITE);
        //$calendar  = dav_get_current_user_calendar_by_id($server, $calendar_id, DAV_ACL_WRITE);
        $event = array("id" => 0, "Summary" => $_REQUEST["title"], "StartTime" => InTVal($_REQUEST["start"]), "EndTime" => IntVal($_REQUEST["end"]), "IsAllDayEvent" => $_REQUEST["isallday"], "Description" => "", "Location" => "", "Color" => null);
        if ($_REQUEST["isallday"]) {
            $notifications = array();
        } else {
            $notifications = array(array("action" => "email", "rel" => "start", "trigger_unit" => "hour", "trigger_value" => 1));
        }
        $recurrence = null;
        $recurrentce_exdates = array();
    } else {
        $calendars = dav_get_current_user_calendars($server, DAV_ACL_WRITE);
        //$calendar  = dav_get_current_user_calendar_by_id($server, $calendar_id, DAV_ACL_WRITE);
        $event = array("id" => 0, "Summary" => "", "StartTime" => time(), "EndTime" => time() + 3600, "IsAllDayEvent" => "0", "Description" => "", "Location" => "", "Color" => null);
        $notifications = array(array("action" => "email", "rel" => "start", "trigger_unit" => "hour", "trigger_value" => 1));
        $recurrence = null;
        $recurrentce_exdates = array();
    }
    $postto = $baseurl . "/dav/wdcal/" . ($uri == 0 ? "new/" : $calendar_id . "/" . $uri . "/edit/");
    $out = "<a href='" . $baseurl . "/dav/wdcal/'>" . t("Go back to the calendar") . "</a><br><br>";
    $out .= "<form method='POST' action='{$postto}'>\n\t\t<input type='hidden' name='form_security_token' value='" . get_form_security_token('caledit') . "'>\n";
    $out .= "<h2>" . t("Event data") . "</h2>";
    $out .= "<label for='calendar' class='block'>" . t("Calendar") . ":</label><select id='calendar' name='calendar' size='1'>";
    $found = false;
    $cal_col = "aaaaaa";
    foreach ($calendars as $cal) {
        $prop = $cal->getProperties(array("id", DAV_DISPLAYNAME, DAV_CALENDARCOLOR));
        $out .= "<option value='" . $prop["id"] . "' ";
        if ($prop["id"] == $calendar_id) {
            $out .= "selected";
            $cal_col = $prop[DAV_CALENDARCOLOR];
            $found = true;
        } elseif (!$found) {
            $cal_col = $prop[DAV_CALENDARCOLOR];
        }
        $out .= ">" . escape_tags($prop[DAV_DISPLAYNAME]) . "</option>\n";
    }
    $out .= "</select>";
    $out .= "&nbsp; &nbsp; <label class='plain'><input type='checkbox' name='color_override' id='color_override' ";
    if (!is_null($event["Color"])) {
        $out .= "checked";
    }
    $out .= "> " . t("Special color") . ":</label>";
    $out .= "<span id='cal_color_holder' ";
    if (is_null($event["Color"])) {
        $out .= "style='display: none;'";
    }
    $out .= "><input name='color' id='cal_color' value='" . (is_null($event["Color"]) ? "#" . $cal_col : escape_tags($event["Color"])) . "'></span>";
    $out .= "<br>\n";
    $out .= "<label class='block' for='cal_summary'>" . t("Subject") . ":</label>\n\t\t<input name='summary' id='cal_summary' value=\"" . escape_tags($event["Summary"]) . "\"><br>\n";
    $out .= "<label class='block' for='cal_allday'>Is All-Day event:</label><input type='checkbox' name='allday' id='cal_allday' " . ($event["IsAllDayEvent"] ? "checked" : "") . "><br>\n";
    $out .= "<label class='block' for='cal_start_date'>" . t("Starts") . ":</label>";
    $out .= "<input name='start_date' value='" . $localization->dateformat_datepicker_php($event["StartTime"]) . "' id='cal_start_date'>";
    $out .= "<input name='start_time' value='" . date("H:i", $event["StartTime"]) . "' id='cal_start_time'>";
    $out .= "<br>\n";
    $out .= "<label class='block' for='cal_end_date'>" . t("Ends") . ":</label>";
    $out .= "<input name='end_date' value='" . $localization->dateformat_datepicker_php($event["EndTime"]) . "' id='cal_end_date'>";
    $out .= "<input name='end_time' value='" . date("H:i", $event["EndTime"]) . "' id='cal_end_time'>";
    $out .= "<br>\n";
    $out .= "<label class='block' for='cal_location'>" . t("Location") . ":</label><input name='location' id='cal_location' value=\"" . escape_tags($event["Location"]) . "\"><br>\n";
    $out .= "<label class='block' for='event-desc-textarea'>" . t("Description") . ":</label> <textarea id='event-desc-textarea' name='wdcal_desc' style='vertical-align: top; width: 400px; height: 100px;'>" . escape_tags($event["Description"]) . "</textarea>";
    $out .= "<br style='clear: both;'>";
    $out .= "<h2>" . t("Recurrence") . "</h2>";
    $out .= "<label class='block' for='rec_frequency'>" . t("Frequency") . ":</label> <select id='rec_frequency' name='rec_frequency' size='1'>";
    $out .= "<option value=''>" . t("None") . "</option>\n";
    $out .= "<option value='daily' ";
    if ($recurrence && $recurrence->frequency == "daily") {
        $out .= "selected";
    }
    $out .= ">" . t("Daily") . "</option>\n";
    $out .= "<option value='weekly' ";
    if ($recurrence && $recurrence->frequency == "weekly") {
        $out .= "selected";
    }
    $out .= ">" . t("Weekly") . "</option>\n";
    $out .= "<option value='monthly' ";
    if ($recurrence && $recurrence->frequency == "monthly") {
        $out .= "selected";
    }
    $out .= ">" . t("Monthly") . "</option>\n";
    $out .= "<option value='yearly' ";
    if ($recurrence && $recurrence->frequency == "yearly") {
        $out .= "selected";
    }
    $out .= ">" . t("Yearly") . "</option>\n";
    $out .= "</select><br>\n";
    $out .= "<div id='rec_details'>";
    $select = "<select id='rec_interval' name='rec_interval' size='1'>";
    for ($i = 1; $i < 50; $i++) {
        $select .= "<option value='{$i}' ";
        if ($recurrence && $i == $recurrence->interval) {
            $select .= "selected";
        }
        $select .= ">{$i}</option>\n";
    }
    $select .= "</select>";
    $time = "<span class='rec_daily'>" . t("days") . "</span>";
    $time .= "<span class='rec_weekly'>" . t("weeks") . "</span>";
    $time .= "<span class='rec_monthly'>" . t("months") . "</span>";
    $time .= "<span class='rec_yearly'>" . t("years") . "</span>";
    $out .= "<label class='block'>" . t("Interval") . ":</label> " . str_replace(array("%select%", "%time%"), array($select, $time), t("All %select% %time%")) . "<br>";
    $out .= "<div class='rec_daily'>";
    $out .= "<label class='block'>" . t("Days") . ":</label>";
    if ($recurrence && $recurrence->byDay) {
        $byday = $recurrence->byDay;
    } else {
        $byday = array("MO", "TU", "WE", "TH", "FR", "SA", "SU");
    }
    if ($localization->getFirstDayOfWeek() == 0) {
        $out .= "<label class='plain'><input class='rec_daily_byday' type='checkbox' name='rec_daily_byday[]' value='SU' ";
        if (in_array("SU", $byday)) {
            $out .= "checked";
        }
        $out .= ">" . t("Sunday") . "</label> &nbsp; ";
    }
    $out .= "<label class='plain'><input class='rec_daily_byday' type='checkbox' name='rec_daily_byday[]' value='MO' ";
    if (in_array("MO", $byday)) {
        $out .= "checked";
    }
    $out .= ">" . t("Monday") . "</label> &nbsp; ";
    $out .= "<label class='plain'><input class='rec_daily_byday' type='checkbox' name='rec_daily_byday[]' value='TU' ";
    if (in_array("TU", $byday)) {
        $out .= "checked";
    }
    $out .= ">" . t("Tuesday") . "</label> &nbsp; ";
    $out .= "<label class='plain'><input class='rec_daily_byday' type='checkbox' name='rec_daily_byday[]' value='WE' ";
    if (in_array("WE", $byday)) {
        $out .= "checked";
    }
    $out .= ">" . t("Wednesday") . "</label> &nbsp; ";
    $out .= "<label class='plain'><input class='rec_daily_byday' type='checkbox' name='rec_daily_byday[]' value='TH' ";
    if (in_array("TH", $byday)) {
        $out .= "checked";
    }
    $out .= ">" . t("Thursday") . "</label> &nbsp; ";
    $out .= "<label class='plain'><input class='rec_daily_byday' type='checkbox' name='rec_daily_byday[]' value='FR' ";
    if (in_array("FR", $byday)) {
        $out .= "checked";
    }
    $out .= ">" . t("Friday") . "</label> &nbsp; ";
    $out .= "<label class='plain'><input class='rec_daily_byday' type='checkbox' name='rec_daily_byday[]' value='SA' ";
    if (in_array("SA", $byday)) {
        $out .= "checked";
    }
    $out .= ">" . t("Saturday") . "</label> &nbsp; ";
    if ($localization->getFirstDayOfWeek() != 0) {
        $out .= "<label class='plain'><input class='rec_daily_byday' type='checkbox' name='rec_daily_byday[]' value='SU' ";
        if (in_array("SU", $byday)) {
            $out .= "checked";
        }
        $out .= ">" . t("Sunday") . "</label> &nbsp; ";
    }
    $out .= "</div>";
    $out .= "<div class='rec_weekly'>";
    $out .= "<label class='block'>" . t("Days") . ":</label>";
    if ($recurrence && $recurrence->byDay) {
        $byday = $recurrence->byDay;
    } else {
        $days = array("MO", "TU", "WE", "TH", "FR", "SA", "SU");
        $byday = array($days[date("N", $event["StartTime"]) - 1]);
    }
    if ($localization->getFirstDayOfWeek() == 0) {
        $out .= "<label class='plain'><input class='rec_weekly_byday' type='checkbox' name='rec_weekly_byday[]' value='SU' ";
        if (in_array("SU", $byday)) {
            $out .= "checked";
        }
        $out .= ">" . t("Sunday") . "</label> &nbsp; ";
    }
    $out .= "<label class='plain'><input class='rec_weekly_byday' type='checkbox' name='rec_weekly_byday[]' value='MO' ";
    if (in_array("MO", $byday)) {
        $out .= "checked";
    }
    $out .= ">" . t("Monday") . "</label> &nbsp; ";
    $out .= "<label class='plain'><input class='rec_weekly_byday' type='checkbox' name='rec_weekly_byday[]' value='TU' ";
    if (in_array("TU", $byday)) {
        $out .= "checked";
    }
    $out .= ">" . t("Tuesday") . "</label> &nbsp; ";
    $out .= "<label class='plain'><input class='rec_weekly_byday' type='checkbox' name='rec_weekly_byday[]' value='WE' ";
    if (in_array("WE", $byday)) {
        $out .= "checked";
    }
    $out .= ">" . t("Wednesday") . "</label> &nbsp; ";
    $out .= "<label class='plain'><input class='rec_weekly_byday' type='checkbox' name='rec_weekly_byday[]' value='TH' ";
    if (in_array("TH", $byday)) {
        $out .= "checked";
    }
    $out .= ">" . t("Thursday") . "</label> &nbsp; ";
    $out .= "<label class='plain'><input class='rec_weekly_byday' type='checkbox' name='rec_weekly_byday[]' value='FR' ";
    if (in_array("FR", $byday)) {
        $out .= "checked";
    }
    $out .= ">" . t("Friday") . "</label> &nbsp; ";
    $out .= "<label class='plain'><input class='rec_weekly_byday' type='checkbox' name='rec_weekly_byday[]' value='SA' ";
    if (in_array("SA", $byday)) {
        $out .= "checked";
    }
    $out .= ">" . t("Saturday") . "</label> &nbsp; ";
    if ($localization->getFirstDayOfWeek() != 0) {
        $out .= "<label class='plain'><input class='rec_weekly_byday' type='checkbox' name='rec_weekly_byday[]' value='SU' ";
        if (in_array("SU", $byday)) {
            $out .= "checked";
        }
        $out .= ">" . t("Sunday") . "</label> &nbsp; ";
    }
    $out .= "<br>";
    $out .= "<label class='block'>" . t("First day of week:") . "</label>";
    if ($recurrence && $recurrence->weekStart != "") {
        $wkst = $recurrence->weekStart;
    } else {
        if ($localization->getFirstDayOfWeek() == 0) {
            $wkst = "SU";
        } else {
            $wkst = "MO";
        }
    }
    $out .= "<label class='plain'><input type='radio' name='rec_weekly_wkst' value='SU' ";
    if ($wkst == "SU") {
        $out .= "checked";
    }
    $out .= ">" . t("Sunday") . "</label> &nbsp; ";
    $out .= "<label class='plain'><input type='radio' name='rec_weekly_wkst' value='MO' ";
    if ($wkst == "MO") {
        $out .= "checked";
    }
    $out .= ">" . t("Monday") . "</label><br>\n";
    $out .= "</div>";
    $monthly_rule = "";
    if ($recurrence && ($recurrence->frequency == "monthly" || $recurrence->frequency == "yearly")) {
        if (is_null($recurrence->byDay) && !is_null($recurrence->byMonthDay) && count($recurrence->byMonthDay) == 1) {
            $day = date("j", $event["StartTime"]);
            if ($recurrence->byMonthDay[0] == $day) {
                $monthly_rule = "bymonthday";
            } else {
                $lastday = date("t", $event["StartTime"]);
                if ($recurrence->byMonthDay[0] == -1 * ($lastday - $day + 1)) {
                    $monthly_rule = "bymonthday_neg";
                }
            }
        }
        if (is_null($recurrence->byMonthDay) && !is_null($recurrence->byDay) && count($recurrence->byDay) == 1) {
            $num = IntVal($recurrence->byDay[0]);
            /*
            $dayMap = array(
            	'SU' => 0,
            	'MO' => 1,
            	'TU' => 2,
            	'WE' => 3,
            	'TH' => 4,
            	'FR' => 5,
            	'SA' => 6,
            );
            if ($num == 0) {
            	$num = 1;
            	$weekday = $dayMap[$recurrence->byDay[0]];
            } else {
            	$weekday = $dayMap[substr($recurrence->byDay[0], strlen($num))];
            }
            
            echo $num . " - " . $weekday;
            */
            if ($num > 0) {
                $monthly_rule = "byday";
            }
            if ($num < 0) {
                $monthly_rule = "byday_neg";
            }
        }
        if ($monthly_rule == "") {
            notice("The recurrence of this event cannot be parsed");
        }
    }
    $out .= "<div class='rec_monthly'>";
    $out .= "<label class='block' for='rec_monthly_day'>" . t("Day of month") . ":</label>";
    $out .= "<select id='rec_monthly_day' name='rec_monthly_day' size='1'>";
    $out .= "<option value='bymonthday' ";
    if ($monthly_rule == "bymonthday") {
        $out .= "selected";
    }
    $out .= ">" . t("#num#th of each month") . "</option>\n";
    $out .= "<option value='bymonthday_neg' ";
    if ($monthly_rule == "bymonthday_neg") {
        $out .= "selected";
    }
    $out .= ">" . t("#num#th-last of each month") . "</option>\n";
    $out .= "<option value='byday' ";
    if ($monthly_rule == "byday") {
        $out .= "selected";
    }
    $out .= ">" . t("#num#th #wkday# of each month") . "</option>\n";
    $out .= "<option value='byday_neg' ";
    if ($monthly_rule == "byday_neg") {
        $out .= "selected";
    }
    $out .= ">" . t("#num#th-last #wkday# of each month") . "</option>\n";
    $out .= "</select>";
    $out .= "</div>\n";
    if ($recurrence && $recurrence->frequency == "yearly") {
        if (count($recurrence->byMonth) != 1 || $recurrence->byMonth[0] != date("n", $event["StartTime"])) {
            notice("The recurrence of this event cannot be parsed!");
        }
    }
    $out .= "<div class='rec_yearly'>";
    $out .= "<label class='block'>" . t("Month") . ":</label> <span class='rec_month_name'>#month#</span><br>\n";
    $out .= "<label class='block' for='rec_yearly_day'>" . t("Day of month") . ":</label>";
    $out .= "<select id='rec_yearly_day' name='rec_yearly_day' size='1'>";
    $out .= "<option value='bymonthday' ";
    if ($monthly_rule == "bymonthday") {
        $out .= "selected";
    }
    $out .= ">" . t("#num#th of the given month") . "</option>\n";
    $out .= "<option value='bymonthday_neg' ";
    if ($monthly_rule == "bymonthday_neg") {
        $out .= "selected";
    }
    $out .= ">" . t("#num#th-last of the given month") . "</option>\n";
    $out .= "<option value='byday' ";
    if ($monthly_rule == "byday") {
        $out .= "selected";
    }
    $out .= ">" . t("#num#th #wkday# of the given month") . "</option>\n";
    $out .= "<option value='byday_neg' ";
    if ($monthly_rule == "byday_neg") {
        $out .= "selected";
    }
    $out .= ">" . t("#num#th-last #wkday# of the given month") . "</option>\n";
    $out .= "</select>";
    $out .= "</div>\n";
    if ($recurrence) {
        $until = $recurrence->until;
        $count = $recurrence->count;
        if (is_a($until, "DateTime")) {
            /** @var DateTime $until */
            $rule_type = "date";
            $rule_until_date = $until->getTimestamp();
            $rule_until_count = 1;
        } elseif ($count > 0) {
            $rule_type = "count";
            $rule_until_date = time();
            $rule_until_count = $count;
        } else {
            $rule_type = "infinite";
            $rule_until_date = time();
            $rule_until_count = 1;
        }
    } else {
        $rule_type = "infinite";
        $rule_until_date = time();
        $rule_until_count = 1;
    }
    $out .= "<label class='block' for='rec_until_type'>" . t("Repeat until") . ":</label> ";
    $out .= "<select name='rec_until_type' id='rec_until_type' size='1'>";
    $out .= "<option value='infinite' ";
    if ($rule_type == "infinite") {
        $out .= "selected";
    }
    $out .= ">" . t("Infinite") . "</option>\n";
    $out .= "<option value='date' ";
    if ($rule_type == "date") {
        $out .= "selected";
    }
    $out .= ">" . t("Until the following date") . ":</option>\n";
    $out .= "<option value='count' ";
    if ($rule_type == "count") {
        $out .= "selected";
    }
    $out .= ">" . t("Number of times") . ":</option>\n";
    $out .= "</select>";
    $out .= "<input name='rec_until_date' value='" . $localization->dateformat_datepicker_php($rule_until_date) . "' id='rec_until_date'>";
    $out .= "<input name='rec_until_count' value='{$rule_until_count}' id='rec_until_count'><br>";
    $out .= "<label class='block'>" . t("Exceptions") . ":</label><div class='rec_exceptions'>";
    $out .= "<div class='rec_exceptions_none' ";
    if (count($recurrentce_exdates) > 0) {
        $out .= "style='display: none;'";
    }
    $out .= ">" . t("none") . "</div>";
    $out .= "<div class='rec_exceptions_holder' ";
    if (count($recurrentce_exdates) == 0) {
        $out .= "style='display: none;'";
    }
    $out .= ">";
    foreach ($recurrentce_exdates as $exdate) {
        $out .= "<div data-timestamp='{$exdate}' class='except'><input type='hidden' class='rec_exception' name='rec_exceptions[]' value='{$exdate}'>";
        $out .= "<a href='#' class='exception_remover'>[remove]</a> ";
        $out .= $localization->date_timestamp2localDate($exdate);
        $out .= "</div>\n";
    }
    $out .= "</div><div><a href='#' class='exception_adder'>[add]</a></div>";
    $out .= "</div>\n";
    $out .= "<br>\n";
    $out .= "</div><br>";
    $out .= "<h2>" . t("Notification") . "</h2>";
    if (!$notifications) {
        $notifications = array();
    }
    $notifications["new"] = array("action" => "email", "trigger_value" => 60, "trigger_unit" => "minute", "rel" => "start");
    foreach ($notifications as $index => $noti) {
        $unparsable = false;
        if (!in_array($noti["action"], array("email", "display"))) {
            $unparsable = true;
        }
        $out .= "<div class='noti_holder' ";
        if (!is_numeric($index) && $index == "new") {
            $out .= "style='display: none;' id='noti_new_row'";
        }
        $out .= "><label class='block' for='noti_type_" . $index . "'>" . t("Notify by") . ":</label>";
        $out .= "<select name='noti_type[{$index}]' size='1' id='noti_type_" . $index . "'>";
        $out .= "<option value=''>- " . t("Remove") . " -</option>\n";
        $out .= "<option value='email' ";
        if (!$unparsable && $noti["action"] == "email") {
            $out .= "selected";
        }
        $out .= ">" . t("E-Mail") . "</option>\n";
        $out .= "<option value='display' ";
        if (!$unparsable && $noti["action"] == "display") {
            $out .= "selected";
        }
        $out .= ">" . t("On Friendica / Display") . "</option>\n";
        //$out .= "<option value='other' "; if ($unparsable) $out .= "selected"; $out .= ">- " . t("other (leave it untouched)") . " -</option>\n"; // @TODO
        $out .= "</select><br>";
        $out .= "<label class='block'>" . t("Time") . ":</label>";
        $out .= "<input name='noti_value[{$index}]' size='5' style='width: 5em;' value='" . $noti["trigger_value"] . "'>";
        $out .= "<select name='noti_unit[{$index}]' size='1'>";
        $out .= "<option value='H' ";
        if ($noti["trigger_unit"] == "hour") {
            $out .= "selected";
        }
        $out .= ">" . t("Hours") . "</option>\n";
        $out .= "<option value='M' ";
        if ($noti["trigger_unit"] == "minute") {
            $out .= "selected";
        }
        $out .= ">" . t("Minutes") . "</option>\n";
        $out .= "<option value='S' ";
        if ($noti["trigger_unit"] == "second") {
            $out .= "selected";
        }
        $out .= ">" . t("Seconds") . "</option>\n";
        $out .= "<option value='D' ";
        if ($noti["trigger_unit"] == "day") {
            $out .= "selected";
        }
        $out .= ">" . t("Days") . "</option>\n";
        $out .= "<option value='W' ";
        if ($noti["trigger_unit"] == "week") {
            $out .= "selected";
        }
        $out .= ">" . t("Weeks") . "</option>\n";
        $out .= "</select>";
        $out .= " <label class='plain'>" . t("before the") . " <select name='noti_ref[{$index}]' size='1'>";
        $out .= "<option value='start' ";
        if ($noti["rel"] == "start") {
            $out .= "selected";
        }
        $out .= ">" . t("start of the event") . "</option>\n";
        $out .= "<option value='end' ";
        if ($noti["rel"] == "end") {
            $out .= "selected";
        }
        $out .= ">" . t("end of the event") . "</option>\n";
        $out .= "</select></label>\n";
        $out .= "</div>";
    }
    $out .= "<input type='hidden' name='new_alarm' id='new_alarm' value='0'><div id='new_alarm_adder'><a href='#'>" . t("Add a notification") . "</a></div>";
    $out .= "<script>\$(function() {\n\t\twdcal_edit_init('" . $localization->dateformat_datepicker_js() . "', '{$baseurl}/dav/');\n\t});</script>";
    $out .= "<br><input type='submit' name='save' value='Save'></form>";
    return $out;
}