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<?php
/**
 * Simple Machines Forum (SMF)
 *
 * @package SMF
 * @author Simple Machines https://www.simplemachines.org
 * @copyright 2020 Simple Machines and individual contributors
 * @license https://www.simplemachines.org/about/smf/license.php BSD
 *
 * @version 2.1 RC2
 */

/**
 * Our main calendar template, which encapsulates weeks and months.
 */
function template_main()
{
    global $context;

    // The main calendar wrapper.
    echo '
        <div id="calendar">';

    // Show the mini-blocks if they're enabled.
    if (empty($context['blocks_disabled']))
        echo '
            <div id="month_grid">
                ', template_show_month_grid('prev', true), '
                ', template_show_month_grid('current', true), '
                ', template_show_month_grid('next', true), '
            </div>';

    // What view are we showing?
    if ($context['calendar_view'] == 'viewlist')
        echo '
            <div id="main_grid">
                ', template_show_upcoming_list('main'), '
            </div>';
    elseif ($context['calendar_view'] == 'viewweek')
        echo '
            <div id="main_grid">
                ', template_show_week_grid('main'), '
            </div>';
    else
        echo '
            <div id="main_grid">
                ', template_show_month_grid('main'), '
            </div>';

    // Close our wrapper.
    echo '
        </div><!-- #calendar -->';
}

/**
 * Display a list of upcoming events, birthdays, and holidays.
 *
 * @param string $grid_name The grid name
 * @return void|bool Returns false if the grid doesn't exist.
 */
function template_show_upcoming_list($grid_name)
{
    global $context, $scripturl, $txt;

    // Bail out if we have nothing to work with
    if (!isset($context['calendar_grid_' . $grid_name]))
        return false;

    // Protect programmer sanity
    $calendar_data = &$context['calendar_grid_' . $grid_name];

    // Do we want a title?
    if (empty($calendar_data['disable_title']))
        echo '
            <div class="cat_bar">
                <h3 class="catbg centertext largetext">
                    <a href="', $scripturl, '?action=calendar;viewlist;year=', $calendar_data['start_year'], ';month=', $calendar_data['start_month'], ';day=', $calendar_data['start_day'], '">', $txt['calendar_upcoming'], '</a>
                </h3>
            </div>';

    // Give the user some controls to work with
    template_calendar_top($calendar_data);

    // Output something just so people know it's not broken
    if (empty($calendar_data['events']) && empty($calendar_data['birthdays']) && empty($calendar_data['holidays']))
        echo '
            <div class="descbox">', $txt['calendar_empty'], '</div>';

    // First, list any events
    if (!empty($calendar_data['events']))
    {
        echo '
            <div>
                <div class="title_bar">
                    <h3 class="titlebg">', str_replace(':', '', $txt['events']), '</h3>
                </div>
                <ul>';

        foreach ($calendar_data['events'] as $date => $date_events)
        {
            foreach ($date_events as $event)
            {
                echo '
                    <li class="windowbg">
                        <strong class="event_title">', $event['link'], '</strong>';

                if ($event['can_edit'])
                    echo ' <a href="' . $event['modify_href'] . '"><span class="main_icons calendar_modify" title="', $txt['calendar_edit'], '"></span></a>';

                if ($event['can_export'])
                    echo ' <a href="' . $event['export_href'] . '"><span class="main_icons calendar_export" title="', $txt['calendar_export'], '"></span></a>';

                echo '
                        <br>';

                if (!empty($event['allday']))
                {
                    echo '<time datetime="' . $event['start_iso_gmdate'] . '">', trim($event['start_date_local']), '</time>', ($event['start_date'] != $event['end_date']) ? ' &ndash; <time datetime="' . $event['end_iso_gmdate'] . '">' . trim($event['end_date_local']) . '</time>' : '';
                }
                else
                {
                    // Display event info relative to user's local timezone
                    echo '<time datetime="' . $event['start_iso_gmdate'] . '">', trim($event['start_date_local']), ', ', trim($event['start_time_local']), '</time> &ndash; <time datetime="' . $event['end_iso_gmdate'] . '">';

                    if ($event['start_date_local'] != $event['end_date_local'])
                        echo trim($event['end_date_local']) . ', ';

                    echo trim($event['end_time_local']);

                    // Display event info relative to original timezone
                    if ($event['start_date_local'] . $event['start_time_local'] != $event['start_date_orig'] . $event['start_time_orig'])
                    {
                        echo '</time> (<time datetime="' . $event['start_iso_gmdate'] . '">';

                        if ($event['start_date_orig'] != $event['start_date_local'] || $event['end_date_orig'] != $event['end_date_local'] || $event['start_date_orig'] != $event['end_date_orig'])
                            echo trim($event['start_date_orig']), ', ';

                        echo trim($event['start_time_orig']), '</time> &ndash; <time datetime="' . $event['end_iso_gmdate'] . '">';

                        if ($event['start_date_orig'] != $event['end_date_orig'])
                            echo trim($event['end_date_orig']) . ', ';

                        echo trim($event['end_time_orig']), ' ', $event['tz_abbrev'], '</time>)';
                    }
                    // Event is scheduled in the user's own timezone? Let 'em know, just to avoid confusion
                    else
                        echo ' ', $event['tz_abbrev'], '</time>';
                }

                if (!empty($event['location']))
                    echo '<br>', $event['location'];

                echo '
                    </li>';
            }
        }

        echo '
                </ul>
            </div>';
    }

    // Next, list any birthdays
    if (!empty($calendar_data['birthdays']))
    {
        echo '
            <div>
                <div class="title_bar">
                    <h3 class="titlebg">', str_replace(':', '', $txt['birthdays']), '</h3>
                </div>
                <div class="windowbg">';

        foreach ($calendar_data['birthdays'] as $date)
        {
            echo '
                    <p class="inline">
                        <strong>', $date['date_local'], '</strong>: ';

            unset($date['date_local']);

            $birthdays = array();

            foreach ($date as $member)
                $birthdays[] = '<a href="' . $scripturl . '?action=profile;u=' . $member['id'] . '">' . $member['name'] . (isset($member['age']) ? ' (' . $member['age'] . ')' : '') . '</a>';

            echo implode(', ', $birthdays);

            echo '
                    </p>';
        }

        echo '
                </div><!-- .windowbg -->
            </div>';
    }

    // Finally, list any holidays
    if (!empty($calendar_data['holidays']))
    {
        echo '
            <div>
                <div class="title_bar">
                    <h3 class="titlebg">', str_replace(':', '', $txt['calendar_prompt']), '</h3>
                </div>
                <div class="windowbg">
                    <p class="inline holidays">';

        $holidays = array();

        foreach ($calendar_data['holidays'] as $date)
        {
            $date_local = $date['date_local'];
            unset($date['date_local']);

            foreach ($date as $holiday)
                $holidays[] = $holiday . ' (' . $date_local . ')';
        }

        echo implode(', ', $holidays);

        echo '
                    </p>
                </div><!-- .windowbg -->
            </div>';
    }
}

/**
 * Display a monthly calendar grid.
 *
 * @param string $grid_name The grid name
 * @param bool $is_mini Is this a mini grid?
 * @return void|bool Returns false if the grid doesn't exist.
 */
function template_show_month_grid($grid_name, $is_mini = false)
{
    global $context, $txt, $scripturl, $modSettings;

    // If the grid doesn't exist, no point in proceeding.
    if (!isset($context['calendar_grid_' . $grid_name]))
        return false;

    // A handy little pointer variable.
    $calendar_data = &$context['calendar_grid_' . $grid_name];

    // Some conditions for whether or not we should show the week links *here*.
    if (isset($calendar_data['show_week_links']) && ($calendar_data['show_week_links'] == 3 || (($calendar_data['show_week_links'] == 1 && $is_mini === true) || $calendar_data['show_week_links'] == 2 && $is_mini === false)))
        $show_week_links = true;
    else
        $show_week_links = false;

    // Assuming that we've not disabled it, show the title block!
    if (empty($calendar_data['disable_title']))
    {
        echo '
            <div class="cat_bar">
                <h3 class="catbg centertext largetext">';

        // Previous Link: If we're showing prev / next and it's not a mini-calendar.
        if (empty($calendar_data['previous_calendar']['disabled']) && $calendar_data['show_next_prev'] && $is_mini === false)
            echo '
                    <span class="floatleft">
                        <a href="', $calendar_data['previous_calendar']['href'], '">&#171;</a>
                    </span>';

        // Next Link: if we're showing prev / next and it's not a mini-calendar.
        if (empty($calendar_data['next_calendar']['disabled']) && $calendar_data['show_next_prev'] && $is_mini === false)
            echo '
                    <span class="floatright">
                        <a href="', $calendar_data['next_calendar']['href'], '">&#187;</a>
                    </span>';

        // Arguably the most exciting part, the title!
        echo '
                    <a href="', $scripturl, '?action=calendar;', $context['calendar_view'], ';year=', $calendar_data['current_year'], ';month=', $calendar_data['current_month'], ';day=', $calendar_data['current_day'], '">', $txt['months_titles'][$calendar_data['current_month']], ' ', $calendar_data['current_year'], '</a>
                </h3>
            </div><!-- .cat_bar -->';
    }

    // Show the controls on main grids
    if ($is_mini === false)
        template_calendar_top($calendar_data);

    // Finally, the main calendar table.
    echo '
            <table class="calendar_table">';

    // Show each day of the week.
    if (empty($calendar_data['disable_day_titles']))
    {
        echo '
                <tr>';

        // If we're showing week links, there's an extra column ahead of the week links, so let's think ahead and be prepared!
        if ($show_week_links === true)
            echo '
                    <th></th>';

        // Now, loop through each actual day of the week.
        foreach ($calendar_data['week_days'] as $day)
            echo '
                    <th class="days" scope="col">', !empty($calendar_data['short_day_titles']) || $is_mini === true ? $txt['days_short'][$day] : $txt['days'][$day], '</th>';

        echo '
                </tr>';
    }

    // Our looping begins on a per-week basis.
    foreach ($calendar_data['weeks'] as $week)
    {
        // Some useful looping variables.
        $current_month_started = false;
        $count = 1;
        $final_count = 1;

        echo '
                <tr class="days_wrapper">';

        // This is where we add the actual week link, if enabled on this location.
        if ($show_week_links === true)
            echo '
                    <td class="windowbg weeks">
                        <a href="', $scripturl, '?action=calendar;viewweek;year=', $calendar_data['current_year'], ';month=', $calendar_data['current_month'], ';day=', $week['days'][0]['day'], '" title="', $txt['calendar_view_week'], '">&#187;</a>
                    </td>';

        // Now loop through each day in the week we're on.
        foreach ($week['days'] as $day)
        {
            // What classes should each day inherit? Day is default.
            $classes = array('days');
            if (!empty($day['day']))
            {
                $classes[] = !empty($day['is_today']) ? 'calendar_today' : 'windowbg';

                // Additional classes are given for events, holidays, and birthdays.
                foreach (array('events', 'holidays', 'birthdays') as $event_type)
                    if (!empty($day[$event_type]))
                        $classes[] = $event_type;
            }
            else
            {
                $classes[] = 'disabled';
            }

            // Now, implode the classes for each day.
            echo '
                    <td class="', implode(' ', $classes), '">';

            // If it's within this current month, go ahead and begin.
            if (!empty($day['day']))
            {
                // If it's the first day of this month and not a mini-calendar, we'll add the month title - whether short or full.
                $title_prefix = !empty($day['is_first_of_month']) && $context['current_month'] == $calendar_data['current_month'] && $is_mini === false ? (!empty($calendar_data['short_month_titles']) ? $txt['months_short'][$calendar_data['current_month']] . ' ' : $txt['months_titles'][$calendar_data['current_month']] . ' ') : '';

                // The actual day number - be it a link, or just plain old text!
                if (!empty($modSettings['cal_daysaslink']) && $context['can_post'])
                    echo '
                        <a href="', $scripturl, '?action=calendar;sa=post;year=', $calendar_data['current_year'], ';month=', $calendar_data['current_month'], ';day=', $day['day'], ';', $context['session_var'], '=', $context['session_id'], '"><span class="day_text">', $title_prefix, $day['day'], '</span></a>';
                elseif ($is_mini)
                    echo '
                        <a href="', $scripturl, '?action=calendar;', $context['calendar_view'], ';year=', $calendar_data['current_year'], ';month=', $calendar_data['current_month'], ';day=', $day['day'], '"><span class="day_text">', $title_prefix, $day['day'], '</span></a>';
                else
                    echo '
                        <span class="day_text">', $title_prefix, $day['day'], '</span>';

                // A lot of stuff, we're not showing on mini-calendars to conserve space.
                if ($is_mini === false)
                {
                    // Holidays are always fun, let's show them!
                    if (!empty($day['holidays']))
                        echo '
                        <div class="smalltext holiday">
                            <span>', $txt['calendar_prompt'], '</span> ', implode(', ', $day['holidays']), '
                        </div>';

                    // Happy Birthday Dear Member!
                    if (!empty($day['birthdays']))
                    {
                        echo '
                        <div class="smalltext">
                            <span class="birthday">', $txt['birthdays'], '</span> ';

                        /* Each of the birthdays has:
                            id, name (person), age (if they have one set?), and is_last. (last in list?) */
                        $use_js_hide = empty($context['show_all_birthdays']) && count($day['birthdays']) > 15;
                        $birthday_count = 0;
                        foreach ($day['birthdays'] as $member)
                        {
                            echo '<a href="', $scripturl, '?action=profile;u=', $member['id'], '"><span class="fix_rtl_names">', $member['name'], '</span>', isset($member['age']) ? ' (' . $member['age'] . ')' : '', '</a>', $member['is_last'] || ($count == 10 && $use_js_hide) ? '' : ', ';

                            // 9...10! Let's stop there.
                            if ($birthday_count == 10 && $use_js_hide)
                                // !!TODO - Inline CSS and JavaScript should be moved.
                                echo '<span class="hidelink" id="bdhidelink_', $day['day'], '">...<br><a href="', $scripturl, '?action=calendar;month=', $calendar_data['current_month'], ';year=', $calendar_data['current_year'], ';showbd" onclick="document.getElementById(\'bdhide_', $day['day'], '\').classList.remove(\'hidden\'); document.getElementById(\'bdhidelink_', $day['day'], '\').classList.add(\'hidden\'); return false;">(', sprintf($txt['calendar_click_all'], count($day['birthdays'])), ')</a></span><span id="bdhide_', $day['day'], '" class="hidden">, ';

                            ++$birthday_count;
                        }
                        if ($use_js_hide)
                            echo '
                            </span>';

                        echo '
                        </div><!-- .smalltext -->';
                    }

                    // Any special posted events?
                    if (!empty($day['events']))
                    {
                        // Sort events by start time (all day events will be listed first)
                        uasort($day['events'], function($a, $b) {
                            if ($a['start_timestamp'] == $b['start_timestamp'])
                                return 0;

                            return ($a['start_timestamp'] < $b['start_timestamp']) ? -1 : 1;
                        });

                        echo '
                        <div class="smalltext lefttext">
                            <span class="event">', $txt['events'], '</span><br>';

                        /* The events are made up of:
                            title, href, is_last, can_edit (are they allowed to?), and modify_href. */
                        foreach ($day['events'] as $event)
                        {
                            $event_icons_needed = ($event['can_edit'] || $event['can_export']) ? true : false;

                            echo '
                            <div class="event_wrapper', $event['starts_today'] == true ? ' event_starts_today' : '', $event['ends_today'] == true ? ' event_ends_today' : '', $event['allday'] == true ? ' allday' : '', $event['is_selected'] ? ' sel_event' : '', '">
                                ', $event['link'], '<br>
                                <span class="event_time', empty($event_icons_needed) ? ' floatright' : '', '">';

                            if (!empty($event['start_time_local']) && $event['starts_today'] == true)
                                echo trim(str_replace(':00 ', ' ', $event['start_time_local']));
                            elseif (!empty($event['end_time_local']) && $event['ends_today'] == true)
                                echo strtolower($txt['ends']), ' ', trim(str_replace(':00 ', ' ', $event['end_time_local']));
                            elseif (!empty($event['allday']))
                                echo $txt['calendar_allday'];

                            echo '
                                </span>';

                            if (!empty($event['location']))
                                echo '
                                <br>
                                <span class="event_location', empty($event_icons_needed) ? ' floatright' : '', '">' . $event['location'] . '</span>';

                            if ($event['can_edit'] || $event['can_export'])
                            {
                                echo '
                                <span class="modify_event_links">';

                                // If they can edit the event, show an icon they can click on....
                                if ($event['can_edit'])
                                    echo '
                                    <a class="modify_event" href="', $event['modify_href'], '">
                                        <span class="main_icons calendar_modify" title="', $txt['calendar_edit'], '"></span>
                                    </a>';

                                // Exporting!
                                if ($event['can_export'])
                                    echo '
                                    <a class="modify_event" href="', $event['export_href'], '">
                                        <span class="main_icons calendar_export" title="', $txt['calendar_export'], '"></span>
                                    </a>';

                                echo '
                                </span><br class="clear">';
                            }

                            echo '
                            </div><!-- .event_wrapper -->';
                        }

                        echo '
                        </div><!-- .smalltext -->';
                    }
                }
                $current_month_started = $count;
            }
            // Otherwise, assuming it's not a mini-calendar, we can show previous / next month days!
            elseif ($is_mini === false)
            {
                if (empty($current_month_started) && !empty($context['calendar_grid_prev']))
                    echo '<a href="', $scripturl, '?action=calendar;year=', $context['calendar_grid_prev']['current_year'], ';month=', $context['calendar_grid_prev']['current_month'], '">', $context['calendar_grid_prev']['last_of_month'] - $calendar_data['shift']-- +1, '</a>';
                elseif (!empty($current_month_started) && !empty($context['calendar_grid_next']))
                    echo '<a href="', $scripturl, '?action=calendar;year=', $context['calendar_grid_next']['current_year'], ';month=', $context['calendar_grid_next']['current_month'], '">', $current_month_started + 1 == $count ? (!empty($calendar_data['short_month_titles']) ? $txt['months_short'][$context['calendar_grid_next']['current_month']] . ' ' : $txt['months_titles'][$context['calendar_grid_next']['current_month']] . ' ') : '', $final_count++, '</a>';
            }

            // Close this day and increase var count.
            echo '
                    </td>';

            ++$count;
        }

        echo '
                </tr>';
    }

    // The end of our main table.
    echo '
            </table>';
}

/**
 * Shows a weekly grid
 *
 * @param string $grid_name The name of the grid
 * @return void|bool Returns false if the grid doesn't exist
 */
function template_show_week_grid($grid_name)
{
    global $context, $txt, $scripturl, $modSettings;

    // We might have no reason to proceed, if the variable isn't there.
    if (!isset($context['calendar_grid_' . $grid_name]))
        return false;

    // Handy pointer.
    $calendar_data = &$context['calendar_grid_' . $grid_name];

    // At the very least, we have one month. Possibly two, though.
    $iteration = 1;
    foreach ($calendar_data['months'] as $month_data)
    {
        // For our first iteration, we'll add a nice header!
        if ($iteration == 1)
        {
            echo '
                <div class="cat_bar">
                    <h3 class="catbg centertext largetext">';

            // Previous Week Link...
            if (empty($calendar_data['previous_calendar']['disabled']) && !empty($calendar_data['show_next_prev']))
                echo '
                        <span class="floatleft">
                            <a href="', $calendar_data['previous_week']['href'], '">&#171;</a>
                        </span>';

            // Next Week Link...
            if (empty($calendar_data['next_calendar']['disabled']) && !empty($calendar_data['show_next_prev']))
                echo '
                        <span class="floatright">
                            <a href="', $calendar_data['next_week']['href'], '">&#187;</a>
                        </span>';

            // "Week beginning <date>"
            if (!empty($calendar_data['week_title']))
                echo $calendar_data['week_title'];

            echo '
                    </h3>
                </div><!-- .cat_bar -->';

            // Show the controls
            template_calendar_top($calendar_data);
        }

        // Our actual month...
        echo '
                <div class="week_month_title">
                    <a href="', $scripturl, '?action=calendar;month=', $month_data['current_month'], '">
                        ', $txt['months_titles'][$month_data['current_month']], '
                    </a>
                </div>';

        // The main table grid for $this week.
        echo '
                <table class="table_grid calendar_week">
                    <tr>
                        <th class="days" scope="col">', $txt['calendar_day'], '</th>
                        <th class="days" scope="col">', $txt['events'], '</th>
                        <th class="days" scope="col">', $txt['calendar_prompt'], '</th>
                        <th class="days" scope="col">', $txt['birthdays'], '</th>
                    </tr>';

        // Each day of the week.
        foreach ($month_data['days'] as $day)
        {
            // How should we be highlighted or otherwise not...?
            $classes = array('days');
            $classes[] = !empty($day['is_today']) ? 'calendar_today' : 'windowbg';

            echo '
                    <tr class="days_wrapper">
                        <td class="', implode(' ', $classes), ' act_day">';

            // Should the day number be a link?
            if (!empty($modSettings['cal_daysaslink']) && $context['can_post'])
                echo '
                            <a href="', $scripturl, '?action=calendar;sa=post;month=', $month_data['current_month'], ';year=', $month_data['current_year'], ';day=', $day['day'], ';', $context['session_var'], '=', $context['session_id'], '">', $txt['days'][$day['day_of_week']], ' - ', $day['day'], '</a>';
            else
                echo $txt['days'][$day['day_of_week']], ' - ', $day['day'];

            echo '
                        </td>
                        <td class="', implode(' ', $classes), '', empty($day['events']) ? (' disabled' . ($context['can_post'] ? ' week_post' : '')) : ' events', ' event_col" data-css-prefix="' . $txt['events'] . ' ', (empty($day['events']) && empty($context['can_post'])) ? $txt['none'] : '', '">';

            // Show any events...
            if (!empty($day['events']))
            {
                // Sort events by start time (all day events will be listed first)
                uasort($day['events'], function($a, $b) {
                    if ($a['start_timestamp'] == $b['start_timestamp'])
                        return 0;
                    return ($a['start_timestamp'] < $b['start_timestamp']) ? -1 : 1;
                });

                foreach ($day['events'] as $event)
                {
                    echo '
                            <div class="event_wrapper">';

                    $event_icons_needed = ($event['can_edit'] || $event['can_export']) ? true : false;

                    echo $event['link'], '<br>
                                <span class="event_time', empty($event_icons_needed) ? ' floatright' : '', '">';

                    if (!empty($event['start_time_local']))
                        echo trim($event['start_time_local']), !empty($event['end_time_local']) ? ' &ndash; ' . trim($event['end_time_local']) : '';
                    else
                        echo $txt['calendar_allday'];

                    echo '
                                </span>';

                    if (!empty($event['location']))
                        echo '<br>
                                <span class="event_location', empty($event_icons_needed) ? ' floatright' : '', '">' . $event['location'] . '</span>';

                    if (!empty($event_icons_needed))
                    {
                        echo ' <span class="modify_event_links">';

                        // If they can edit the event, show a star they can click on....
                        if (!empty($event['can_edit']))
                            echo '
                                    <a class="modify_event" href="', $event['modify_href'], '">
                                        <span class="main_icons calendar_modify" title="', $txt['calendar_edit'], '"></span>
                                    </a>';

                        // Can we export? Sweet.
                        if (!empty($event['can_export']))
                            echo '
                                    <a class="modify_event" href="', $event['export_href'], '">
                                        <span class="main_icons calendar_export" title="', $txt['calendar_export'], '"></span>
                                    </a>';

                        echo '
                                </span><br class="clear">';
                    }

                    echo '
                            </div><!-- .event_wrapper -->';
                }

                if (!empty($context['can_post']))
                {
                    echo '
                            <div class="week_add_event">
                                <a href="', $scripturl, '?action=calendar;sa=post;month=', $month_data['current_month'], ';year=', $month_data['current_year'], ';day=', $day['day'], ';', $context['session_var'], '=', $context['session_id'], '">', $txt['calendar_post_event'], '</a>
                            </div>
                            <br class="clear">';
                }
            }
            else
            {
                if (!empty($context['can_post']))
                    echo '
                            <div class="week_add_event">
                                <a href="', $scripturl, '?action=calendar;sa=post;month=', $month_data['current_month'], ';year=', $month_data['current_year'], ';day=', $day['day'], ';', $context['session_var'], '=', $context['session_id'], '">', $txt['calendar_post_event'], '</a>
                            </div>';
            }
            echo '
                        </td>
                        <td class="', implode(' ', $classes), !empty($day['holidays']) ? ' holidays' : ' disabled', ' holiday_col" data-css-prefix="' . $txt['calendar_prompt'] . ' ">';

            // Show any holidays!
            if (!empty($day['holidays']))
                echo implode('<br>', $day['holidays']);

            echo '
                        </td>
                        <td class="', implode(' ', $classes), '', !empty($day['birthdays']) ? ' birthdays' : ' disabled', ' birthday_col" data-css-prefix="' . $txt['birthdays'] . ' ">';

            // Show any birthdays...
            if (!empty($day['birthdays']))
            {
                foreach ($day['birthdays'] as $member)
                    echo '
                            <a href="', $scripturl, '?action=profile;u=', $member['id'], '">', $member['name'], '</a>
                            ', isset($member['age']) ? ' (' . $member['age'] . ')' : '', '
                            ', $member['is_last'] ? '' : '<br>';
            }
            echo '
                        </td>
                    </tr>';
        }

        // Increase iteration for loop counting.
        ++$iteration;

        echo '
                </table>';
    }
}

/**
 * Calendar controls under the title
 *
 * Creates the view selector (list, month, week), the date selector (either a
 * select menu or a date range chooser, depending on the circumstances), and the
 * "Post Event" button.
 *
 * @param array $calendar_data The data for the calendar grid that this is for
 */
function template_calendar_top($calendar_data)
{
    global $context, $scripturl, $txt;

    echo '
        <div class="calendar_top roundframe', empty($calendar_data['disable_title']) ? ' noup' : '', '">
            <div id="calendar_viewselector" class="buttonrow floatleft">
                <a href="', $scripturl, '?action=calendar;viewlist;year=', $context['current_year'], ';month=', $context['current_month'], ';day=', $context['current_day'], '" class="button', $context['calendar_view'] == 'viewlist' ? ' active' : '', '">', $txt['calendar_list'], '</a>
                <a href="', $scripturl, '?action=calendar;viewmonth;year=', $context['current_year'], ';month=', $context['current_month'], ';day=', $context['current_day'], '" class="button', $context['calendar_view'] == 'viewmonth' ? ' active' : '', '">', $txt['calendar_month'], '</a>
                <a href="', $scripturl, '?action=calendar;viewweek;year=', $context['current_year'], ';month=', $context['current_month'], ';day=', $context['current_day'], '" class="button', $context['calendar_view'] == 'viewweek' ? ' active' : '', '">', $txt['calendar_week'], '</a>
            </div>
            ', template_button_strip($context['calendar_buttons'], 'right');

    echo '
            <form action="', $scripturl, '?action=calendar;', $context['calendar_view'], '" id="', !empty($calendar_data['end_date']) ? 'calendar_range' : 'calendar_navigation', '" method="post" accept-charset="', $context['character_set'], '">
                <input type="text" name="start_date" id="start_date" maxlength="10" value="', $calendar_data['start_date'], '" tabindex="', $context['tabindex']++, '" class="date_input start" data-type="date">';

    if (!empty($calendar_data['end_date']))
        echo '
                <span>', strtolower($txt['to']), '</span>
                <input type="text" name="end_date" id="end_date" maxlength="10" value="', $calendar_data['end_date'], '" tabindex="', $context['tabindex']++, '" class="date_input end" data-type="date">';

    echo '
                <input type="submit" class="button" style="float:none" id="view_button" value="', $txt['view'], '">
            </form>
        </div><!-- .calendar_top -->';
}

/**
 * Template for posting a calendar event.
 */
function template_event_post()
{
    global $context, $txt, $scripturl, $modSettings;

    echo '
        <form action="', $scripturl, '?action=calendar;sa=post" method="post" name="postevent" accept-charset="', $context['character_set'], '" onsubmit="submitonce(this);">';

    if (!empty($context['event']['new']))
        echo '
            <input type="hidden" name="eventid" value="', $context['event']['eventid'], '">';

    // Start the main table.
    echo '
            <div id="post_event">
                <div class="cat_bar">
                    <h3 class="catbg">
                        ', $context['page_title'], '
                    </h3>
                </div>';

    if (!empty($context['post_error']['messages']))
        echo '
                <div class="errorbox">
                    <dl class="event_error">
                        <dt>
                            ', $context['error_type'] == 'serious' ? '<strong>' . $txt['error_while_submitting'] . '</strong>' : '', '
                        </dt>
                        <dt class="error">
                            ', implode('<br>', $context['post_error']['messages']), '
                        </dt>
                    </dl>
                </div>';

    echo '
                <div class="roundframe noup">
                    <fieldset id="event_main">
                        <legend><span', isset($context['post_error']['no_event']) ? ' class="error"' : '', '>', $txt['calendar_event_title'], '</span></legend>
                        <input type="hidden" name="calendar" value="1">
                        <div class="event_options_left" id="event_title">
                            <div>
                                <input type="text" id="evtitle" name="evtitle" maxlength="255" size="55" value="', $context['event']['title'], '" tabindex="', $context['tabindex']++, '">
                            </div>
                        </div>';

    // If this is a new event let the user specify which board they want the linked post to be put into.
    if ($context['event']['new'] && !empty($context['event']['categories']))
    {
        echo '
                        <div class="event_options_right" id="event_board">
                            <div>
                                <span class="label">', $txt['calendar_post_in'], '</span>
                                <input type="checkbox" name="link_to_board"', (!empty($context['event']['board']) ? ' checked' : ''), ' onclick="toggleLinked(this.form);">
                                <select name="board"', empty($context['event']['board']) ? ' disabled' : '', '>';

        foreach ($context['event']['categories'] as $category)
        {
            echo '
                                    <optgroup label="', $category['name'], '">';

            foreach ($category['boards'] as $board)
                echo '
                                        <option value="', $board['id'], '"', $board['selected'] ? ' selected' : '', '>', $board['child_level'] > 0 ? str_repeat('==', $board['child_level'] - 1) . '=&gt;' : '', ' ', $board['name'], '</option>';
            echo '
                                    </optgroup>';
        }
        echo '
                                </select>
                            </div>
                        </div><!-- #event_board -->';
    }

    // Note to theme writers: The JavaScript expects the input fields for the start and end dates & times to be contained in a wrapper element with the id "event_time_input"
    echo '
                    </fieldset>
                    <fieldset id="event_options">
                        <legend>', $txt['calendar_event_options'], '</legend>
                        <div class="event_options_left" id="event_time_input">
                            <div>
                                <span class="label">', $txt['start'], '</span>
                                <input type="text" name="start_date" id="start_date" maxlength="10" value="', $context['event']['start_date'], '" tabindex="', $context['tabindex']++, '" class="date_input start" data-type="date">
                                <input type="text" name="start_time" id="start_time" maxlength="11" value="', $context['event']['start_time_local'], '" tabindex="', $context['tabindex']++, '" class="time_input start" data-type="time"', !empty($context['event']['allday']) ? ' disabled' : '', '>
                            </div>
                            <div>
                                <span class="label">', $txt['end'], '</span>
                                <input type="text" name="end_date" id="end_date" maxlength="10" value="', $context['event']['end_date'], '" tabindex="', $context['tabindex']++, '" class="date_input end" data-type="date"', $modSettings['cal_maxspan'] == 1 ? ' disabled' : '', '>
                                <input type="text" name="end_time" id="end_time" maxlength="11" value="', $context['event']['end_time_local'], '" tabindex="', $context['tabindex']++, '" class="time_input end" data-type="time"', !empty($context['event']['allday']) ? ' disabled' : '', '>
                            </div>
                        </div><!-- #event_time_input -->
                        <div class="event_options_right" id="event_time_options">
                            <div id="event_allday">
                                <label for="allday"><span class="label">', $txt['calendar_allday'], '</span></label>
                                <input type="checkbox" name="allday" id="allday"', !empty($context['event']['allday']) ? ' checked' : '', ' tabindex="', $context['tabindex']++, '">
                            </div>
                            <div id="event_timezone">
                                <span class="label">', $txt['calendar_timezone'], '</span>
                                <select name="tz" id="tz"', !empty($context['event']['allday']) ? ' disabled' : '', '>';

    foreach ($context['all_timezones'] as $tz => $tzname)
        echo '
                                    <option', is_numeric($tz) ? ' value="" disabled' : ' value="' . $tz . '"', $tz === $context['event']['tz'] ? ' selected' : '', '>', $tzname, '</option>';

    echo '
                                </select>
                            </div>
                        </div><!-- #event_time_options -->
                        <div>
                            <span class="label">', $txt['location'], '</span>
                            <input type="text" name="event_location" id="event_location" maxlength="255" value="', !empty($context['event']['location']) ? $context['event']['location'] : '', '" tabindex="', $context['tabindex']++, '">
                        </div>
                    </fieldset>';

    echo '
                    <input type="submit" value="', empty($context['event']['new']) ? $txt['save'] : $txt['post'], '" class="button">';

    // Delete button?
    if (empty($context['event']['new']))
        echo '
                    <input type="submit" name="deleteevent" value="', $txt['event_delete'], '" data-confirm="', $txt['calendar_confirm_delete'], '" class="button you_sure">';

    echo '
                    <input type="hidden" name="', $context['session_var'], '" value="', $context['session_id'], '">
                    <input type="hidden" name="eventid" value="', $context['event']['eventid'], '">

                </div><!-- .roundframe -->
            </div><!-- #post_event -->
        </form>';
}

function template_bcd()
{
    global $context, $scripturl;
    $alt = false;

    echo '
        <table class="table_grid" style="margin: 0 auto 0 auto; border: 1px solid #ccc;">
            <tr>
                <th class="windowbg" style="font-weight: bold; text-align: center; border-bottom: 1px solid #ccc;" colspan="6">BCD Clock</th>
            </tr>
            <tr class="windowbg">';

    foreach ($context['clockicons'] as $t => $v)
    {
        echo '
                <td style="padding-', $alt ? 'right' : 'left', ': 1.5em;">';

        foreach ($v as $i)
            echo '
                    <img src="', $context['offimg'], '" alt="" id="', $t, '_', $i, '"><br>';

        echo '
                </td>';

        $alt = !$alt;
    }
    echo '
            </tr>
            <tr class="windowbg" style="border-top: 1px solid #ccc; text-align: center;">
                <td colspan="6">
                    <a href="', $scripturl, '?action=clock;rb">Are you hardcore?</a>
                </td>
            </tr>
        </table>

        <script>
            var icons = new Object();';

    foreach ($context['clockicons'] as $t => $v)
    {
        foreach ($v as $i)
            echo '
            icons[\'', $t, '_', $i, '\'] = document.getElementById(\'', $t, '_', $i, '\');';
    }

    echo '
            function update()
            {
                // Get the current time
                var time = new Date();
                var hour = time.getHours();
                var min = time.getMinutes();
                var sec = time.getSeconds();

                // Break it up into individual digits
                var h1 = parseInt(hour / 10);
                var h2 = hour % 10;
                var m1 = parseInt(min / 10);
                var m2 = min % 10;
                var s1 = parseInt(sec / 10);
                var s2 = sec % 10;

                // For each digit figure out which ones to turn off and which ones to turn on
                var turnon = new Array();';

    foreach ($context['clockicons'] as $t => $v)
    {
        foreach ($v as $i)
            echo '
                if (', $t, ' >= ', $i, ')
                {
                    turnon.push("', $t, '_', $i, '");
                    ', $t, ' -= ', $i, ';
                }';
    }

    echo '
                for (var i in icons)
                    if (!in_array(i, turnon))
                        icons[i].src = "', $context['offimg'], '";
                    else
                        icons[i].src = "', $context['onimg'], '";

                window.setTimeout("update();", 500);
            }
            // Checks for variable in theArray.
            function in_array(variable, theArray)
            {
                for (var i = 0; i < theArray.length; i++)
                {
                    if (theArray[i] == variable)
                        return true;
                }
                return false;
            }

            update();
        </script>';
}

function template_hms()
{
    global $context, $scripturl;
    $alt = false;

    echo '
        <table class="table_grid" style="margin: 0 auto 0 auto; border: 1px solid #ccc;">
            <tr>
                <th class="windowbg" style="font-weight: bold; text-align: center; border-bottom: 1px solid #ccc;">Binary Clock</th>
            </tr>';

    foreach ($context['clockicons'] as $t => $v)
    {
        echo '
            <tr class="windowbg">
                <td>';

        foreach ($v as $i)
            echo '
                    <img src="', $context['offimg'], '" alt="" id="', $t, '_', $i, '" style="padding: 2px;">';

        echo '
                </td>
            </tr>';

        $alt = !$alt;
    }
    echo '
            <tr class="windowbg" style="border-top: 1px solid #ccc; text-align: center;">
                <td>
                    <a href="', $scripturl, '?action=clock">Too tough for you?</a>
                </td>
            </tr>
        </table>';

    echo '
        <script>
            var icons = new Object();';

    foreach ($context['clockicons'] as $t => $v)
    {
        foreach ($v as $i)
            echo '
            icons[\'', $t, '_', $i, '\'] = document.getElementById(\'', $t, '_', $i, '\');';
    }

    echo '
            function update()
            {
                // Get the current time
                var time = new Date();
                var h = time.getHours();
                var m = time.getMinutes();
                var s = time.getSeconds();

                // For each digit figure out which ones to turn off and which ones to turn on
                var turnon = new Array();';

    foreach ($context['clockicons'] as $t => $v)
    {
        foreach ($v as $i)
            echo '
                if (', $t, ' >= ', $i, ')
                {
                    turnon.push("', $t, '_', $i, '");
                    ', $t, ' -= ', $i, ';
                }';
    }

    echo '
                for (var i in icons)
                    if (!in_array(i, turnon))
                        icons[i].src = "', $context['offimg'], '";
                    else
                        icons[i].src = "', $context['onimg'], '";

                window.setTimeout("update();", 500);
            }
            // Checks for variable in theArray.
            function in_array(variable, theArray)
            {
                for (var i = 0; i < theArray.length; i++)
                {
                    if (theArray[i] == variable)
                        return true;
                }
                return false;
            }

            update();
        </script>';
}

function template_omfg()
{
    global $context;
    $alt = false;

    echo '
        <table class="table_grid" style="margin: 0 auto 0 auto; border: 1px solid #ccc;">
            <tr>
                <th class="windowbg" style="font-weight: bold; text-align: center; border-bottom: 1px solid #ccc;">OMFG Binary Clock</th>
            </tr>';

    foreach ($context['clockicons'] as $t => $v)
    {
        echo '
            <tr class="windowbg">
                <td>';

        foreach ($v as $i)
            echo '
                    <img src="', $context['offimg'], '" alt="" id="', $t, '_', $i, '" style="padding: 2px;">';

        echo '
                </td>
            </tr>';

        $alt = !$alt;
    }

    echo '
        </table>
        <script>
            var icons = new Object();';

    foreach ($context['clockicons'] as $t => $v)
    {
        foreach ($v as $i)
            echo '
            icons[\'', $t, '_', $i, '\'] = document.getElementById(\'', $t, '_', $i, '\');';
    }

    echo '
            function update()
            {
                // Get the current time
                var time = new Date();
                var month = time.getMonth() + 1;
                var day = time.getDate();
                var year = time.getFullYear();
                year = year % 100;
                var hour = time.getHours();
                var min = time.getMinutes();
                var sec = time.getSeconds();

                // For each digit figure out which ones to turn off and which ones to turn on
                var turnon = new Array();';

    foreach ($context['clockicons'] as $t => $v)
    {
        foreach ($v as $i)
            echo '
                if (', $t, ' >= ', $i, ')
                {
                    turnon.push("', $t, '_', $i, '");
                    ', $t, ' -= ', $i, ';
                }';
    }

    echo '
                for (var i in icons)
                    if (!in_array(i, turnon))
                        icons[i].src = "', $context['offimg'], '";
                    else
                        icons[i].src = "', $context['onimg'], '";

                window.setTimeout("update();", 500);
            }
            // Checks for variable in theArray.
            function in_array(variable, theArray)
            {
                for (var i = 0; i < theArray.length; i++)
                {
                    if (theArray[i] == variable)
                        return true;
                }
                return false;
            }

            update();
        </script>';
}

function template_thetime()
{
    global $context;
    $alt = false;

    echo '
        <table class="table_grid" style="margin: 0 auto 0 auto; border: 1px solid #ccc;">
            <tr>
                <th class="windowbg" style="font-weight: bold; text-align: center; border-bottom: 1px solid #ccc;">The time you requested</th>
            </tr>';

    foreach ($context['clockicons'] as $v)
    {
        echo '
            <tr class="windowbg">
                <td>';

        foreach ($v as $i)
            echo '
                    <img src="', $i ? $context['onimg'] : $context['offimg'], '" alt="" style="padding: 2px;">';

        echo '
                </td>
            </tr>';

        $alt = !$alt;
    }

    echo '
        </table>';
}

?>