/**
* Displays the discussion page.
* @param forum_discussion $discussion Discussion
*/
public function print_discussion_page($discussion)
{
$previousread = (int) $discussion->get_time_read();
// 'Read date' option (used when viewing all posts so that they keep
// their read/unread colouring)
$timeread = optional_param('timeread', 0, PARAM_INT);
if ($timeread) {
$discussion->pretend_time_read($timeread);
$previousread = $timeread;
}
// 'Expand all' option (always chosen for non-JS browsers)
$expandall = optional_param('expand', 0, PARAM_INT) || forum_utils::is_bad_browser();
// 'Expand all' option (always chosen for non-JS browsers)
$collapseall = optional_param('collapse', 0, PARAM_INT);
// Magic expand tracker (for use in JS only, never set server-side).
// This tracks expanded posts, and makes the Back button 'work' in
// the sense that it will expand these posts again.
print '<form method="post" action="."><div>' . '<input type="hidden" id="expanded_posts" name="expanded_posts" ' . 'value="" /></div></form>';
// Get content for all posts in the discussion
$options = array();
if ($expandall) {
$options[forum_post::OPTION_CHILDREN_EXPANDED] = true;
}
if ($collapseall) {
$options[forum_post::OPTION_CHILDREN_COLLAPSED] = true;
}
$content = $this->display_discussion($discussion, $options);
// Some post display options use the read time to construct links
// (usually for non-JS version) so that unread state is maintained.
$options[forum_post::OPTION_READ_TIME] = $previousread;
// Display expand all option if there are any 'Expand' links in content
$fakedate = '&timeread=' . $previousread;
print '<div id="forumng-expandall">';
$showexpandall = preg_match('~<a [^>]*href="discuss\\.php\\?d=[0-9]+[^"]*&expand=1#p[0-9]+">~', $content);
$showcollapseall = preg_match('~<div class="forumng-post forumng-full.*<div class="forumng-post forumng-full~s', $content);
if ($showexpandall) {
print '<a href="' . $discussion->get_url(forum::PARAM_HTML) . '&expand=1' . $fakedate . '">' . get_string('expandall', 'forumng') . '</a>';
if ($showcollapseall) {
print ' • ';
}
}
if ($showcollapseall) {
print '<a href="' . $discussion->get_url(forum::PARAM_HTML) . '&collapse=1' . $fakedate . '">' . get_string('collapseall', 'forumng') . '</a> ';
}
print '</div>';
// Display content
print $content;
// Print reply/edit forms for AJAX
print $this->display_ajax_forms($discussion->get_forum());
// Link back to forum
print $discussion->display_link_back_to_forum();
// Display discussion features (row of buttons)
print $discussion->display_discussion_features();
// Display the subscription options to this disucssion if available
print $discussion->display_subscribe_options();
// Atom/RSS links
print $discussion->display_feed_links();
// Set read data [shouldn't this logic be somewhere else as it is not
// part of display?]
if (forum::mark_read_automatically()) {
$discussion->mark_read();
}
}
