| | |
| | | { |
| | | $next = $prev = $first = $last = -1; |
| | | |
| | | if ((!($_SESSION['sort_col'] == 'date' && $_SESSION['sort_order'] == 'DESC') && |
| | | $IMAP->get_capability('sort')) || !empty($_REQUEST['_search'])) |
| | | { |
| | | // Only if we use custom sorting |
| | | $a_msg_index = $IMAP->message_index(NULL, $_SESSION['sort_col'], $_SESSION['sort_order']); |
| | | |
| | | $MESSAGE->index = array_search($IMAP->get_id($MESSAGE->uid), $a_msg_index); |
| | | |
| | | $prev = isset($a_msg_index[$MESSAGE->index-1]) ? $IMAP->get_uid($a_msg_index[$MESSAGE->index-1]) : -1 ; |
| | | $first = count($a_msg_index)>0 ? $IMAP->get_uid($a_msg_index[0]) : -1; |
| | | $next = isset($a_msg_index[$MESSAGE->index+1]) ? $IMAP->get_uid($a_msg_index[$MESSAGE->index+1]) : -1 ; |
| | | $last = count($a_msg_index)>0 ? $IMAP->get_uid($a_msg_index[count($a_msg_index)-1]) : -1; |
| | | } |
| | | else |
| | | if ($_SESSION['sort_col'] == 'date' && $_SESSION['sort_order'] != 'DESC' |
| | | && empty($_REQUEST['_search']) && !$IMAP->skip_deleted) |
| | | { |
| | | // this assumes that we are sorted by date_DESC |
| | | $cnt = $IMAP->messagecount(); |
| | |
| | | $next = $IMAP->get_uid($seq - 1); |
| | | $last = $IMAP->get_uid(1); |
| | | } |
| | | else |
| | | { |
| | | // Only if we use custom sorting |
| | | $a_msg_index = $IMAP->message_index(NULL, $_SESSION['sort_col'], $_SESSION['sort_order']); |
| | | |
| | | $MESSAGE->index = array_search($IMAP->get_id($MESSAGE->uid), $a_msg_index); |
| | | |
| | | $prev = isset($a_msg_index[$MESSAGE->index-1]) ? $IMAP->get_uid($a_msg_index[$MESSAGE->index-1]) : -1 ; |
| | | $first = count($a_msg_index)>0 ? $IMAP->get_uid($a_msg_index[0]) : -1; |
| | | $next = isset($a_msg_index[$MESSAGE->index+1]) ? $IMAP->get_uid($a_msg_index[$MESSAGE->index+1]) : -1 ; |
| | | $last = count($a_msg_index)>0 ? $IMAP->get_uid($a_msg_index[count($a_msg_index)-1]) : -1; |
| | | } |
| | | |
| | | if ($prev > 0) |
| | | $OUTPUT->set_env('prev_uid', $prev); |