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<?php
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// $Id: forumthread.module,v 1.4 2008/03/24 06:12:59 brauerranch Exp $
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/**
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* @file
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* Enables an alternate view of the standard Drupal forums with Forum Topics
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*
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* The forumthread module provides a list view of forum modes
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* showing the title of the node and the subject of all replies
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* in a single threaded view.
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*/
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function forumthread_menu($may_cache) {
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$items = array();
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if ($may_cache) {
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$items[] = array('path' => 'forum',
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'title' => t('Forums'),
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'callback' => 'forumthread_page',
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'access' => user_access('access content'),
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'type' => MENU_NORMAL_ITEM);
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}
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return $items;
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}
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/**
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* Menu callback; prints a forum listing.
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*/
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function forumthread_page($tid = 0) {
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drupal_set_title(t('Forum'));
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global $user;
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$forum_per_page = variable_get('forum_per_page', 25);
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drupal_add_css(drupal_get_path('module', 'forumthread') .'/forumthread.css');
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if ($tid && !in_array($tid, variable_get('forum_containers', array()))) {
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if (user_access('create forum topics')) {
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$output .= '<li>'. l(t('Post new forum topic.'), "node/add/forum/$tid") .'</li>';
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}
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else if ($user->uid) {
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$output .= '<li>'. t('You are not allowed to post a new forum topic.') .'</li>';
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}
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else {
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$output .= '<li>'. t('<a href="@login">Login</a> to post a new forum topic.', array('@login' => url('user/login', drupal_get_destination()))) .'</li>';
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}
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$output .= '</ul>';
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$output .= forumthread_render($tid);
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if (user_access('create forum topics')) {
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$output .= '<li>'. l(t('Post new forum topic.'), "node/add/forum/$tid") .'</li>';
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}
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else if ($user->uid) {
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$output .= '<li>'. t('You are not allowed to post a new forum topic.') .'</li>';
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}
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else {
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$output .= '<li>'. t('<a href="@login">Login</a> to post a new forum topic.', array('@login' => url('user/login', drupal_get_destination()))) .'</li>';
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}
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$output .= '</ul>';
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}
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else {
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if (user_access('create forum topics')) {
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$output .= '<li>'. l(t('Post new forum topic.'), "node/add/forum/$tid") .'</li>';
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}
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else if ($user->uid) {
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$output .= '<li>'. t('You are not allowed to post a new forum topic.') .'</li>';
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}
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else {
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$output .= '<li>'. t('<a href="@login">Login</a> to post a new forum topic.', array('@login' => url('user/login', drupal_get_destination()))) .'</li>';
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}
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$output .= '</ul>';
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$query = "SELECT tid from {forum} f group by tid";
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$query = db_rewrite_sql($query, 'f', 'nid');
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$result = pager_query($query, $forum_per_page, 0);
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while ($fid = db_fetch_object($result)) {
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$output .= forumthread_render($fid->tid);
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}
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if (user_access('create forum topics')) {
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$output .= '<li>'. l(t('Post new forum topic.'), "node/add/forum/$tid") .'</li>';
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}
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else if ($user->uid) {
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$output .= '<li>'. t('You are not allowed to post a new forum topic.') .'</li>';
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}
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else {
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$output .= '<li>'. t('<a href="@login">Login</a> to post a new forum topic.', array('@login' => url('user/login', drupal_get_destination()))) .'</li>';
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}
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$output .= '</ul>';
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}
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return $output;
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}
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/**
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* Return a structured object of the comments for a specific node.
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*
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* @param $nid
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* The node id for the node that comments are being loaded for
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* @param $cid
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* The comment id of a specific comment -- TODO We probably don't need this here since we're not rendering
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* nodes.
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* @return
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* Returns a structured object with the node and threaded comments.
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*/
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function get_node_comments($nid, $cid = 0) {
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//make sure user has rights to access comments or we don't return any
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if (user_access('access comments')) {
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// Pre-process variables.
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$mode = _comment_get_display_setting('mode');
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$order = _comment_get_display_setting('sort');
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$comments_per_page = _comment_get_display_setting('comments_per_page');
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if ($cid) {
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// Single comment view.
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$query = 'SELECT c.cid, c.pid, c.nid, c.subject, c.comment, c.format, c.timestamp, c.name,
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c.mail, c.homepage, u.uid, u.name AS registered_name, u.picture, u.data, c.score, c.users,
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c.status FROM {comments} c INNER JOIN {users} u ON c.uid = u.uid WHERE c.cid = %d';
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$query_args = array($cid);
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if (!user_access('administer comments')) {
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$query .= ' AND c.status = %d';
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$query_args[] = COMMENT_PUBLISHED;
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}
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$result = db_query($query, $query_args);
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if ($comment = db_fetch_object($result)) {
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$comment->name = $comment->uid ? $comment->registered_name : $comment->name;
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$links = module_invoke_all('link', 'comment', $comment, 1);
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foreach (module_implements('link_alter') as $module) {
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$function = $module .'_link_alter';
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$function($node, $links);
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}
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$output .= theme('comment_view', $comment, $links);
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}
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}
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else {
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// Multiple comment view
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$query_count = 'SELECT COUNT(*) FROM {comments} WHERE nid = %d';
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$query = 'SELECT c.cid as cid, c.pid, c.nid, c.subject, c.comment, c.format, c.timestamp, c.name, c.mail, c.homepage,
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u.uid, u.name AS registered_name, u.picture, u.data, c.score, c.users, c.thread, c.status FROM {comments} c INNER JOIN
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{users} u ON c.uid = u.uid WHERE c.nid = %d';
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$query_args = array($nid);
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if (!user_access('administer comments')) {
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$query .= ' AND c.status = %d';
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$query_count .= ' AND status = %d';
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$query_args[] = COMMENT_PUBLISHED;
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}
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if ($order == COMMENT_ORDER_NEWEST_FIRST) {
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if ($mode == COMMENT_MODE_FLAT_COLLAPSED || $mode == COMMENT_MODE_FLAT_EXPANDED) {
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$query .= ' ORDER BY c.cid DESC';
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}
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else {
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$query .= ' ORDER BY c.thread DESC';
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}
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}
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else if ($order == COMMENT_ORDER_OLDEST_FIRST) {
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if ($mode == COMMENT_MODE_FLAT_COLLAPSED || $mode == COMMENT_MODE_FLAT_EXPANDED) {
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$query .= ' ORDER BY c.cid';
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}
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else {
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/*
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** See comment above. Analysis learns that this doesn't cost
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** too much. It scales much much better than having the whole
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** comment structure.
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*/
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$query .= ' ORDER BY SUBSTRING(c.thread, 1, (LENGTH(c.thread) - 1))';
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}
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}
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}
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$result = db_query($query, $nid);
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}
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while ($commentt = db_fetch_object($result)) {
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$comment = drupal_unpack($commentt);
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$comment->name = $comment->uid ? $comment->registered_name : $comment->name;
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$comment->depth = count(explode('.', $comment->thread)) - 1;
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$comment_thread[] = $comment;
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}
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return $comment_thread;
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}
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/**
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*forumthread_render returns an HTML formatted threaded forum
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*/
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function theme_forumthread($forum) {
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$breadcrumb[] = array('path' => $_GET['q']);
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menu_set_location($breadcrumb);
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foreach ($forum as $topic) {
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$output .= "<ul class=\"thread\"><li class=\"topic\"><a href=\"/node/" . $topic->nid ."\">" . $topic->title ."</a>";
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$output .= " <span class=\"author\"> - <a href=\"/user/" . $topic->uid ."\">" . $topic->name ."</a></span>";
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$output .= "<span class=\"postdate\">, " . format_date($topic->timestamp) ."</span></li>";
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$divs = 0;
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$last_depth = 0;
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if ($topic->comment_array) {
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foreach ($topic->comment_array as $comment) {
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$comment->depth ++;
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if ($comment->depth > $last_depth) {
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$divs++;
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$output .= '<ul class="indented">';
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$last_depth++;
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}
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else {
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while ($comment->depth < $last_depth) {
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$divs--;
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$output .= '</ul>';
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$last_depth--;
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}
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}
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$output .= "<li class=\"response\"><a href=\"/node/" . $comment->nid ."#comment-" . $comment->cid ."\">" . $comment->subject ."</a> - ";
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if ($comment->name ? $output .= " <span class=\"author\"><a href=\"/user/" . $comment->uid ."\">" . $comment->name ."</a>,</span>" : "");
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$output .= "<span class=\"postdate\"> " . format_date($comment->timestamp) ."</span></li>";
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}
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}
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//using -1 adds one extra close ul tag for the topic that opened the topic.
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for ($i = -1; $i < $divs; $i++) {
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$output .= '</ul>';
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}
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}
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return $output;
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}
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function fourmthread_comment($arg1, $op) {
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switch ($op) {
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case 'list':
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break;
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default:
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}
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}
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/**
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* Implementation of hook view
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*/
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function forumthread_render($tid) {
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$forum_per_page = variable_get('forum_per_page', 25);
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$sortby = variable_get('forum_order', 1);
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$forums = forum_get_forums($tid);
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if ($page) {
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$vocabulary = taxonomy_get_vocabulary(variable_get('forum_nav_vocabulary', ''));
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// Breadcrumb navigation
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$breadcrumb = array();
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$breadcrumb[] = array('path' => 'forum', 'title' => $vocabulary->name);
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if ($parents = taxonomy_get_parents_all($node->tid)) {
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$parents = array_reverse($parents);
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foreach ($parents as $p) {
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$breadcrumb[] = array('path' => 'forum/'. $p->tid, 'title' => $p->name);
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}
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}
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$breadcrumb[] = array('path' => 'node/'. $node->nid);
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menu_set_location($breadcrumb);
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}
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foreach ($forums as $forum) {
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if (!array_key_exists('container', $forum)) {
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$included_topics = forum_get_topics($tid, $sortby, $forum_per_page);
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}
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}
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$parents = taxonomy_get_parents_all($tid);
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if ($tid && !in_array($tid, variable_get('forum_containers', array()))) {
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$topics = forum_get_topics($tid, $sortby, $forum_per_page);
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foreach ($topics as $topic) {
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if ($topic->num_comments) {
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$topic->comment_array = get_node_comments($topic->nid);
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}
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$topic_thread[] = $topic;
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}
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}
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if(count($topic_thread) > 0) {
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$output = theme('forumthread', $topic_thread);
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}
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$output .= theme('pager', NULL, $forum_per_page, 0);
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return $output;
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}
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/**
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* Implementation of hook_view().
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*/
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function forumthread_view(&$node, $teaser = FALSE, $page = FALSE) {
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drupal_add_css(drupal_get_path('module', 'forum') .'/forum.css');
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if ($page) {
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$vocabulary = taxonomy_get_vocabulary(variable_get('forum_nav_vocabulary', ''));
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// Breadcrumb navigation
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$breadcrumb = array();
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$breadcrumb[] = array('path' => 'forum', 'title' => $vocabulary->name);
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if ($parents = taxonomy_get_parents_all($node->tid)) {
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$parents = array_reverse($parents);
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foreach ($parents as $p) {
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$breadcrumb[] = array('path' => 'forum/'. $p->tid, 'title' => $p->name);
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}
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}
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$breadcrumb[] = array('path' => 'node/'. $node->nid);
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menu_set_location($breadcrumb);
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}
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$node = node_prepare($node, $teaser);
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if (!$teaser) {
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$node->content['forum_navigation'] = array(
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'#value' => theme('forum_topic_navigation', $node),
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'#weight' => 100,
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);
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}
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return $node;
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}
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