chamilo-lms/main/attendance/attendance_calendar.php

<?php
/* For licensing terms, see /license.txt */

/**
 * View (MVC patter) for attendance calendar (list, edit, add)
 * @author Christian Fasanando <christian1827@gmail.com>
 * @package chamilo.attendance
 */

// protect a course script
api_protect_course_script(true);

$param_gradebook = '';
if (isset($_SESSION['gradebook'])) {
    $param_gradebook = '&gradebook='.Security::remove_XSS($_SESSION['gradebook']);
}
if (!$is_locked_attendance || api_is_platform_admin()) {
    echo '<div class="actions">';
    if ($action == 'calendar_add') {
        echo '<a href="index.php?'.api_get_cidreq().'&action=calendar_list&attendance_id='.$attendance_id.$param_gradebook.'">'.Display::return_icon('back.png',get_lang('AttendanceCalendar'),'',ICON_SIZE_MEDIUM).'</a>';
    } else {
        echo '<a href="index.php?'.api_get_cidreq().'&action=attendance_sheet_list&attendance_id='.$attendance_id.$param_gradebook.'">'.Display::return_icon('back.png',get_lang('AttendanceSheet'),'',ICON_SIZE_MEDIUM).'</a>';
        if (api_is_allowed_to_edit()) {
            echo '<a href="index.php?'.api_get_cidreq().'&action=calendar_add&attendance_id='.$attendance_id.$param_gradebook.'">'.Display::return_icon('add.png',get_lang('AddDateAndTime'),'',ICON_SIZE_MEDIUM).'</a>';
            echo '<a onclick="javascript:if(!confirm(\''.get_lang('AreYouSureToDeleteAllDates').'\')) return false;" href="index.php?'.api_get_cidreq().'&action=calendar_all_delete&attendance_id='.$attendance_id.$param_gradebook.'">'.
                Display::return_icon('clean.png',get_lang('CleanCalendar'),'',ICON_SIZE_MEDIUM).'</a>';
        }
    }
    echo '</div>';
}


$message_information = get_lang('AttendanceCalendarDescription');

if (!empty($message_information)) {
    $message = '<strong>'.get_lang('Information').'</strong><br />';
    $message .= $message_information;
    Display::display_normal_message($message, false);
}

if ($error_repeat_date) {
    $message = get_lang('EndDateMustBeMoreThanStartDate');
    Display::display_error_message($message, false);
}

if ($error_checkdate) {
    $message = get_lang('InvalidDate');
    Display::display_error_message($message, false);
}

if (isset($action) && $action == 'calendar_add') {
    // calendar add form
    $form = new FormValidator(
        'attendance_calendar_add',
        'POST',
        'index.php?action=calendar_add&attendance_id=' . $attendance_id . $param_gradebook . '&' . api_get_cidreq(),
        ''
    );
    $form->addElement('header', get_lang('AddADateTime'));
    $form->addElement('date_time_picker', 'date_time');
    $defaults['date_time'] = date('Y-m-d H:i', api_strtotime(api_get_local_time()));

    $form->addElement(
        'checkbox',
        'repeat',
        null,
        get_lang('RepeatDate'),
        array(
            'onclick' => "javascript: if(this.checked){document.getElementById('repeat-date-attendance').style.display='block';}else{document.getElementById('repeat-date-attendance').style.display='none';}",
        )
    );

    $defaults['repeat'] = $repeat;

    if ($repeat) {
        $form->addElement('html', '<div id="repeat-date-attendance" style="display:block">');
    } else {
        $form->addElement('html', '<div id="repeat-date-attendance" style="display:none">');
    }
    $a_repeat_type = array(
        'daily' => get_lang('RepeatDaily'),
        'weekly' => get_lang('RepeatWeekly'),
        'monthlyByDate' => get_lang('RepeatMonthlyByDate')
    );
    $form->addElement('select', 'repeat_type', get_lang('RepeatType') , $a_repeat_type);

    $form->addElement('date_picker', 'end_date_time', get_lang('RepeatEnd'), array('form_name'=>'attendance_calendar_add'));
    $defaults['end_date_time'] = date('Y-m-d');
    $form->addElement('html', '</div>');

    $defaults['repeat_type'] = 'weekly';

    $form->addElement('style_submit_button', null, get_lang('Save'), 'class="save"');
    $form->setDefaults($defaults);
    $form->display();
} else {
    // calendar list
    echo Display::page_subheader(get_lang('CalendarList'));
    echo '<div class="attendance-calendar-list">';
    if (!empty($attendance_calendar)) {
        foreach ($attendance_calendar as $calendar) {
            echo '<div class="attendance-calendar-row">';
            if ((isset($action) && $action == 'calendar_edit') &&
                (isset($calendar_id) && $calendar_id == $calendar['id'])
            ) {
                // calendar edit form
                echo '<div class="attendance-calendar-edit">';
                $form = new FormValidator(
                    'attendance_calendar_edit',
                    'POST',
                    'index.php?action=calendar_edit&attendance_id=' . $attendance_id . '&calendar_id=' . $calendar_id . '&' . api_get_cidreq() . $param_gradebook,
                    ''
                );
                $form->addElement('date_time_picker', 'date_time', '', array('form_name'=>'attendance_calendar_edit'), 5);
                $defaults['date_time'] = $calendar['date_time'];
                $form->addElement('style_submit_button', null, get_lang('Save'), 'class="save"');
                $form->addElement('style_submit_button', 'cancel', get_lang('Cancel'), 'class="cancel"');
                $form->setDefaults($defaults);
                $form->display();
                echo '</div>';
            } else {
                echo Display::return_icon('lp_calendar_event.png', get_lang('DateTime')).' '.substr($calendar['date_time'], 0, strlen($calendar['date_time'])- 3) .'&nbsp;';
                if (!$is_locked_attendance || api_is_platform_admin()) {
                    if (api_is_allowed_to_edit()) {
                        echo '<span style="margin-left:20px;">';
                        echo '<a href="index.php?'.api_get_cidreq().'&action=calendar_edit&calendar_id='.intval($calendar['id']).'&attendance_id='.$attendance_id.$param_gradebook.'">'.
                            Display::return_icon('edit.png', get_lang('Edit'), array('style'=>'vertical-align:middle'), ICON_SIZE_SMALL).'</a>&nbsp;';
                        echo '<a onclick="javascript:if(!confirm(\''.get_lang('AreYouSureToDelete').'\')) return false;" href="index.php?'.api_get_cidreq().$param_gradebook.'&action=calendar_delete&calendar_id='.intval($calendar['id']).'&attendance_id='.$attendance_id.'">'.
                            Display::return_icon('delete.png', get_lang('Delete'), array('style'=>'vertical-align:middle'), ICON_SIZE_SMALL).'</a>';
                        echo '</span>';
                    }

                }
            }
            echo '</div>';
        }
    } else {
        echo Display::return_message(get_lang('ThereAreNoRegisteredDatetimeYet'), 'warning');
    }
    echo '</div>';
}