class.ilCalendarRecurrenceTableGUI.php

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<?php

class ilCalendarRecurrenceTableGUI extends ilTable2GUI
{
    private const REC_TABLE_ID = 'recurrence_table';

    private $entry;

    public function __construct(ilCalendarEntry $entry, $a_parent_obj, $a_parent_cmd = "", $a_template_context = "")
    {
        $this->setId(self::REC_TABLE_ID);
        parent::__construct($a_parent_obj, $a_parent_cmd, $a_template_context);

        $this->entry = $entry;
    }

    public function init()
    {
        $this->setFormAction($this->ctrl->getFormAction($this->getParentObject(), $this->getParentCmd()));
        $this->setFormName('appointments');
        $this->addColumn('', 'f', "1");
        $this->addColumn($this->lng->txt('title'));
        $this->setRowTemplate("tpl.show_recurrence_row.html", 'Services/Calendar');

        $this->setSelectAllCheckbox('recurrence_ids');
        $this->addMultiCommand(
            'deleteExclude',
            $this->lng->txt('delete')
        );
        $this->addCommandButton(
            'delete',
            $this->lng->txt('cal_delete_recurrence_rule')
        );
        $this->addCommandButton(
            'cancel',
            $this->lng->txt('cancel')
        );
        $this->setShowRowsSelector(false);
    }

    public function fillRow($row)
    {
        $this->tpl->setVariable('VAL_ID', $row['id']);
        $this->tpl->setVariable('TITLE', $row['title']);
    }

    public function parse()
    {
        $calculator = new ilCalendarRecurrenceCalculator(
            $this->entry,
            ilCalendarRecurrences::_getFirstRecurrence($this->entry->getEntryId())
        );

        $end = clone $this->entry->getStart();
        $end->increment(IL_CAL_YEAR, 10);

        $appointments = $calculator->calculateDateList(
            $this->entry->getStart(),
            $end
        );
        $rows = [];
        foreach ($appointments as $recurrence_date) {
            $row = [];
            $row['id'] = $recurrence_date->get(IL_CAL_UNIX);
            $row['title'] = $this->entry->getTitle() . ' ( ' . ilDatePresentation::formatDate($recurrence_date) . ' ) ';

            $rows[] = $row;
        }
        $this->setData($rows);
    }
}