/**
* Opens table tag and displays header row ready for calling
* render_discussion_list_item() a bunch of times.
* @param mod_forumng $forum
* @param int $groupid Group ID for display; may be NO_GROUPS or ALL_GROUPS
* @param string $baseurl Base URL of current page
* @param int $sort mod_forumng::SORT_xx constant for sort order
* @return string HTML code for start of table
*/
public function render_discussion_list_start($forum, $groupid, $baseurl, $sort, $sortreverse = false)
{
global $CFG;
$th = "<th scope='col' class='header c";
// Work out sort headers
$baseurl = preg_replace('~&sort=[a-z]~', '', $baseurl);
$baseurl = preg_replace('~&page=[0-9]+~', '', $baseurl);
$sortdata = array();
$reversechar = $sortreverse ? '' : 'r';
foreach (array(mod_forumng::SORT_DATE, mod_forumng::SORT_SUBJECT, mod_forumng::SORT_AUTHOR, mod_forumng::SORT_POSTS, mod_forumng::SORT_UNREAD, mod_forumng::SORT_GROUP) as $possiblesort) {
$data = new stdClass();
if ($sort == $possiblesort) {
$data->before = '<a ' . 'id="sortlink_' . mod_forumng::get_sort_letter($possiblesort) . '" href="' . s($baseurl) . '&sort=' . mod_forumng::get_sort_letter($possiblesort) . $reversechar . '&sortlink=' . mod_forumng::get_sort_letter($possiblesort) . '" class="forumng-sortlink" ' . 'title="' . mod_forumng::get_sort_title($possiblesort) . ' ' . $this->get_sort_order_text($sort, !$sortreverse) . '">';
$data->after = '</a>' . $this->get_sort_arrow($sort, $sortreverse);
} else {
$data->before = '<a ' . 'id="sortlink_' . mod_forumng::get_sort_letter($possiblesort) . '" href="' . s($baseurl) . '&sort=' . mod_forumng::get_sort_letter($possiblesort) . '&sortlink=' . mod_forumng::get_sort_letter($possiblesort) . '" title="' . mod_forumng::get_sort_title($possiblesort) . ' ' . $this->get_sort_order_text($possiblesort) . '" class="forumng-sortlink">';
$data->after = '</a>';
}
$sortdata[$possiblesort] = $data;
}
// Check group header
if ($groupid == mod_forumng::ALL_GROUPS) {
$grouppart = $sortdata[mod_forumng::SORT_GROUP]->before . get_string('group') . $sortdata[mod_forumng::SORT_GROUP]->after . "</th>{$th}3'>";
$nextnum = 4;
} else {
$grouppart = '';
$nextnum = 3;
}
$afternum = $nextnum + 1;
if ($forum->can_mark_read()) {
$unreadpart = "</th>{$th}{$nextnum} forumng-unreadcount'>" . $sortdata[mod_forumng::SORT_UNREAD]->before . get_string('unread', 'forumng') . $sortdata[mod_forumng::SORT_UNREAD]->after . "</th>{$th}{$afternum} lastcol'>";
} else {
$unreadpart = "</th>{$th}{$nextnum} lastcol'>";
}
return "<table class='generaltable forumng-discussionlist'><tr>" . "{$th}0'>" . $sortdata[mod_forumng::SORT_SUBJECT]->before . get_string('discussion', 'forumng') . $sortdata[mod_forumng::SORT_SUBJECT]->after . "</th>{$th}1'>" . $sortdata[mod_forumng::SORT_AUTHOR]->before . get_string('startedby', 'forumng') . $sortdata[mod_forumng::SORT_AUTHOR]->after . "</th>{$th}2'>" . $grouppart . $sortdata[mod_forumng::SORT_POSTS]->before . get_string('posts', 'forumng') . $sortdata[mod_forumng::SORT_POSTS]->after . $unreadpart . $sortdata[mod_forumng::SORT_DATE]->before . get_string('lastpost', 'forumng') . $sortdata[mod_forumng::SORT_DATE]->after . '</th></tr>';
}
