function deep_empty($var)
{
if (is_array($var)) {
foreach ($var as $value) {
if (!deep_empty($value)) {
return false;
}
}
return true;
} else {
return empty($var);
}
}
function content()
{
extract($this->options);
$conferencer_options = get_option('conferencer_options');
// Define main agenda variable
$agenda = array();
// Fill agenda with empty time slot rows
foreach (Conferencer::get_posts('time_slot', false, 'start_time_sort') as $time_slot_id => $time_slot) {
$starts = get_post_meta($time_slot_id, '_conferencer_starts', true);
$agenda[$starts][$time_slot_id] = array();
}
$agenda[0] = array();
// for unscheduled time slots
// If the agenda is split into columns, fill rows with empty "cell" arrays
if ($column_type) {
$column_post_counts = array(-1 => 0, 0 => 0);
$column_posts = Conferencer::get_posts($column_type);
foreach ($agenda as $time => $time_slots) {
foreach ($time_slots as $time_slot_id => $time_slot) {
foreach ($column_posts as $column_post_id => $column_post) {
$column_post_counts[$column_post_id] = 0;
$agenda[$time][$time_slot_id][$column_post_id] = array();
}
$agenda[$time][$time_slot_id][0] = array();
}
}
}
// Get all session information
$sessions = Conferencer::get_posts('session', false, 'title_sort');
foreach (array_keys($sessions) as $id) {
Conferencer::add_meta($sessions[$id]);
}
// Put sessions into agenda variable
foreach ($sessions as $session) {
$time_slot_id = $session->time_slot ? $session->time_slot : 0;
$starts = get_post_meta($time_slot_id, '_conferencer_starts', true);
if ($column_type) {
$column_id = $session->{$column_type} ? $session->{$column_type} : 0;
if ($keynote_spans_tracks && $session->keynote) {
$column_id = -1;
}
$agenda[$starts][$time_slot_id][$column_id][$session->ID] = $session;
$column_post_counts[$column_id]++;
} else {
$agenda[$starts][$time_slot_id][$session->ID] = $session;
}
}
// Remove empty unscheduled rows
if (deep_empty($agenda[0])) {
unset($agenda[0]);
}
// Conditionally remove empty rows and columns
if (!$show_empty_rows) {
foreach ($agenda as $time => $time_slots) {
foreach ($time_slots as $time_slot_id => $cells) {
$non_session = get_post_meta($time_slot_id, '_conferencer_non_session', true);
if (!$non_session && deep_empty($cells)) {
unset($agenda[$time_slot_id]);
}
}
}
}
if (!$show_empty_columns) {
$empty_column_post_ids = array();
foreach ($column_posts as $column_post_id => $column_post) {
if (!$column_post_counts[$column_post_id]) {
$empty_column_post_ids[] = $column_post_id;
}
}
foreach ($agenda as $time => $time_slots) {
foreach ($time_slots as $time_slot_id => $cells) {
foreach ($empty_column_post_ids as $empty_column_post_id) {
unset($agenda[$time_slot_id][$empty_column_post_id]);
}
}
}
}
// Set up tabs
if ($tabs) {
$tab_headers = array();
foreach ($agenda as $time => $time_slots) {
foreach ($time_slots as $time_slot_id => $cells) {
if ($tabs == 'days') {
if ($starts = get_post_meta($time_slot_id, '_conferencer_starts', true)) {
$tab_headers[] = get_day($starts);
} else {
$tab_headers[] = 0;
}
}
}
}
$tab_headers = array_unique($tab_headers);
if (count($tab_headers) < 2) {
$tabs = false;
}
}
// Set up column headers
if ($column_type) {
$column_headers = array();
// post column headers
foreach ($column_posts as $column_post) {
if (!$show_empty_columns && in_array($column_post->ID, $empty_column_post_ids)) {
continue;
}
$column_headers[] = array('title' => $column_post->post_title, 'class' => 'column_' . $column_post->post_name, 'link' => $link_columns ? get_permalink($column_post->ID) : false);
}
if ($show_unassigned_column && count($column_post_counts[0])) {
// extra column header for sessions not assigned to a column
$column_headers[] = array('title' => $unassigned_column_header_text, 'class' => 'column_not_applicable', 'link' => false);
} else {
// remove cells if no un-assigned sessions
foreach ($agenda as $time => $time_slots) {
foreach ($time_slots as $time_slot_id => $cells) {
unset($agenda[$time_slot_id][0]);
}
}
}
}
// Remove unscheduled time slot, if without sessions
//if (deep_empty($agenda[0])) unset($agenda[0]);
// Start buffering output
ob_start();
//echo '<pre>'; var_dump($agenda); echo '</pre>';
$output = "";
$output .= '<div class="schedule-wrapper">';
/*if (isset($conferencer_options['details_toggle']) && $conferencer_options['details_toggle']) {
$output .= '<a href="#" class="conferencer_session_detail_toggle">';
$output .= '<span class="show">display session details</span>';
$output .= '<span class="hide">hide session details</span>';
$output .= '</a>';
}*/
/** Days buttons // Buttons jours **/
if ($tabs) {
$output .= '<header class="days-buttons">';
foreach ($tab_headers as $tab_header) {
if ($tabs == 'days') {
$output .= '<button>';
if ($tab_header) {
$output .= '<time datetime="' . strftime($tab_day_dt_strf, $tab_header) . '"><span>' . strftime($tab_day_strf, $tab_header) . '</span></time>';
}
$output .= '</button>';
}
}
$output .= '</header><div class="js-slider"><div class="js-slider-container">';
} else {
$output .= '<div class="js-slider"><div class="js-slider-container"><div class="day-wrapper slide">';
$output .= '<table class="grid">';
if ($column_type) {
$output .= $this->display_headers($column_headers);
}
$output .= '<tbody>';
}
$row_starts = $last_row_starts = $second_table = false;
$currentDayTab = -1;
$rowspan_nosession = array();
foreach ($agenda as $time => $time_slots) {
$total_cells = array();
$fake_slot_id = null;
$number_of_time_slots = 0;
foreach ($time_slots as $time_slot_id => $cells) {
//$total_cells = array_merge($total_cells,$cells);
foreach ($cells as $key => $value) {
$total_cells[$key][] = $value;
}
$fake_slot_id = $time_slot_id;
$number_of_time_slots++;
}
$cells = $total_cells;
$time_slot_id = $fake_slot_id;
//echo '<pre>'; var_dump($cells); echo '</pre>';
// Set up row information
$last_row_starts = $row_starts;
$row_starts = get_post_meta($time_slot_id, '_conferencer_starts', true);
$row_ends = get_post_meta($time_slot_id, '_conferencer_ends', true);
$non_session = get_post_meta($time_slot_id, '_conferencer_non_session', true);
$no_sessions = deep_empty($cells);
// Show day seperators
//$show_next_day = $row_day_format !== false && date('', $row_starts) != date('w', $last_row_starts);
$show_next_day = $row_day_format !== false && $currentDayTab == date('z', $row_starts) ? false : true;
$currentDayTab = date('z', $row_starts);
if ($show_next_day) {
if ($tabs) {
if ($second_table) {
$output .= '</tbody>';
$output .= '</table>';
$output .= '</div>';
} else {
$second_table = true;
}
//$output .= '<div id="conferencer_agenda_tab_'.get_day($row_starts).'">';
$output .= '<div class="day-wrapper slide">';
$output .= '<table class="grid">';
$output .= '<caption>Événements pour le <time datetime="' . strftime($tab_day_dt_strf, $row_starts) . '"><span>' . lcfirst(strftime($tab_day_strf, $row_starts)) . '</span></time></caption>';
if ($column_type) {
$output .= $this->display_headers($column_headers);
}
$output .= '<tbody>';
} else {
$output .= '<tr class="day">';
$output .= '<td colspan="' . ($column_type ? count($column_headers) + 1 : 2) . '">';
$output .= $row_starts ? date($row_day_format, $row_starts) : $unscheduled_row_text;
$output .= '</td>';
$output .= '</tr>';
}
}
// Set row classes
$classes = array();
if ($non_session) {
$classes[] = 'non-session';
} else {
if ($no_sessions) {
$classes[] = 'no-sessions';
}
}
$output .= '<tr' . output_classes($classes, false) . '>';
// Time slot column --------------------------
$output .= '<td class="time-slot">';
if ($time_slot_id) {
$time_slot_link = get_post_meta($time_slot_id, '_conferencer_link', true) or $time_slot_link = get_permalink($time_slot_id);
$html = date($row_time_format, $row_starts);
if ($show_row_ends) {
$html .= '<span class="time-slot-end"> à ' . date($row_time_format, $row_ends) . '</span>';
}
if ($link_time_slots) {
$html = "<a href='{$time_slot_link}'>{$html}</a>";
}
$output .= $html;
}
$output .= '</td>';
// Display session cells ---------------------
$colspan = $column_type ? count($column_headers) : 1;
if ($non_session) {
// display a non-sessioned time slot
$output .= '<td class="session" colspan="' . $colspan . '"><p>';
$html = get_the_title($time_slot_id);
if ($link_time_slots) {
$html = "<a href='{$time_slot_link}'>{$html}</a>";
}
$output .= $html;
$output .= '</p></td>';
} else {
if (isset($cells[-1])) {
//$output .= '<td class="session keynote" colspan="'.$colspan.'">';
foreach ($cells[-1] as $sessions) {
foreach ($sessions as $session) {
$session->colspan = $colspan;
$output .= $this->display_session($session, 'keynote,title,speakers_w_photos,room,time');
}
}
//$output .= '</td>';
} else {
if ($column_type) {
// if split into columns, multiple cells
$smallest_duration = 999999999999.0;
foreach ($cells as $cell_sessions) {
foreach ($cell_sessions as $sessions) {
foreach ($sessions as $key => $session) {
$starts = get_post_meta($session->time_slot, '_conferencer_starts', true);
$ends = get_post_meta($session->time_slot, '_conferencer_ends', true);
$duration = $ends - $starts;
if ($duration < $smallest_duration) {
$smallest_duration = $duration;
}
}
}
}
foreach ($cells as $track => $cell_sessions) {
if (isset($rowspan_nosession[$track]) && $rowspan_nosession[$track] != 0) {
$rowspan_nosession[$track] = $rowspan_nosession[$track] - 1;
}
if (!empty($cell_sessions)) {
$no_sessions = true;
foreach ($cell_sessions as $sessions) {
if (!empty($sessions)) {
foreach ($sessions as $key => $session) {
$no_sessions = false;
$time_slot_id = $session->time_slot ? $session->time_slot : 0;
$starts = get_post_meta($time_slot_id, '_conferencer_starts', true);
$ends = get_post_meta($time_slot_id, '_conferencer_ends', true);
$duration = $ends - $starts;
if ($duration > $smallest_duration) {
$rowspan_calc = intval(ceil($duration / $smallest_duration));
$rowspan_nosession[$track] = $rowspan_calc;
$session->rowspan = $rowspan_calc;
} else {
$rowspan_nosession[$track] = 0;
}
//$output .= '<td class="session' . (empty($cell_sessions) ? ' no-sessions':'') . '" '.(($ends-$starts) > 3600 ? ' rowspan="2"' : '').'>';
$output .= $this->display_session($session, (empty($cell_sessions) ? 'no-session,' : 'session,') . 'title,speakers,room,time');
//$output .= '</td>';
}
}
}
if ($no_sessions && $track > 0 && empty($rowspan_nosession[$track])) {
$output .= '<td class="empty"></td>';
}
}
}
} else {
$output .= '<td class="session ' . (empty($cells) ? 'no-sessions' : '') . '">';
foreach ($cells as $sessions) {
foreach ($sessions as $session) {
$output .= $this->display_session($session);
}
}
$output .= '</td>';
}
}
}
$output .= '</tr>';
}
$output .= '</tbody>';
$output .= '</table>';
if ($tabs) {
$output .= '</div>';
}
$output .= '</div></div></div>';
// Retrieve and return buffer
echo $output;
return ob_get_clean();
}
