root/elgg/trunk/mod/forum/lib.php

<?php


        
    function forum_pagesetup()
    {
        global $CFG, $PAGE, $page_owner;
    
        if (defined("context") && (context == "weblog") && run("users:type:get", page_owner()) == "community")
        {
            // Add to the submenu
            $num = count($PAGE->menu_sub) + 1;

            $PAGE->menu_sub[$num]['name'] = "weblog:forum"; 
            $PAGE->menu_sub[$num]['html'] = '<a href="'.$CFG->wwwroot .  'mod/forum/forum.php?weblog='.user_info('username',page_owner()).'">' . __gettext("View as Forum") . '</a>';
        }
        
        $forum_menu = run('sidebar:forum'); // get the output of legacy sidebar
        $forum_menu = sidebar_legacy_wrap($forum_menu); // remove legacy unneeded html code <li></li>

        sidebar_add(20, 'sidebar-forum', $forum_menu, true, "Your Forum"); // add the block to sidebar with weight 20
        sidebar_remove('sidebar-blog');

    }
    
    function forum_init() 
    {
        

        global $function, $CFG, $page_owner, $profile_id, $db, $METATABLES;
        include(dirname(__FILE__) . '/config.php');
        

        
        
        if (in_array($CFG->prefix . "weblog_posts", $METATABLES)) {
            $messagesTable = $db->MetaColumnNames($CFG->prefix . "weblog_posts", true);
            // If dosn't exists adding the colummns 'last_updated'
            if (!in_array("last_updated", $messagesTable)) {
              if (file_exists($CFG->dirroot . "mod/forum/$CFG->dbtype.sql")) {
                modify_database($CFG->dirroot . "mod/forum/$CFG->dbtype.sql");
              } else {
                error("Error: Your database ($CFG->dbtype) is not yet fully supported by the Elgg forum plug-in.  See the mod/forum directory.");
              }
              print_continue($CFG->wwwroot);
              exit();
            }
        }
        
        $CFG->widgets->list[]= array ('name' => __gettext("Forum widget"),
                                'description' => __gettext("Displays the latest posts from a Community Forum of your choice."),
                                'type' => "forum::forum");
        
        listen_for_event("weblog_post","publish","forum_publish_blog");
        listen_for_event("weblog_post","republish","forum_publish_blog");
        listen_for_event("weblog_post","delete","forum_publish_blog");
        listen_for_event("weblog_comment","publish","forum_publish_blog");
        listen_for_event("weblog_comment","delete","forum_publish_blog");



        //redirect some functions to use our custom pages for community details...
        $function['userdetails:edit:details'][] = $CFG->dirroot . "mod/forum/userdetails_edit.php";
        $function['userdetails:init'][] = $CFG->dirroot . "mod/forum/userdetails_actions.php";
        
        
        //foreach($function['display:sidebar'] as $key => $file) 
        //{

        //    if ($file == $CFG->dirroot .  "mod/blog/lib/weblogs_user_info_menu.php")            
        //    {
        //        $custom_sidebar=$CFG->dirroot .  'mod/forum/forum_user_info_menu.php';
        //        $function['display:sidebar'][$key] = $custom_sidebar;
        //    }
                
        //}

        $function['sidebar:forum'][] = $CFG->dirroot . 'mod/forum/forum_user_info_menu.php';


    } // end function forum_init
    
    
function forum_publish_blog($object_type, $event, $object)
{
    global $CFG, $PAGE, $profile_id, $page_owner; 
    global $redirect_url;

            
    include(dirname(__FILE__) . '/config.php');
    
    //echo run("users:type:get", page_owner());
    
    if ($object_type == "weblog_comment") { 
        $post = get_record('weblog_posts','ident',$object->post_id);
        $post_id = $post->ident;
        $community=$post->weblog;
        
        if ($forum_sort == 1){
            //NOW UPDATE THE LAST_MODIFIED STATUS OF THE WEBLOG_POST TO BE NOW SO THAT WE CAN SORT ON THIS IN THE FORUM VIEW...
            $post->last_updated=time();
            update_record('weblog_posts',$post);
        }
        
    }
    
    if ($object_type == "weblog_post") { 
        $post_id = $object->ident;
        $community=$object->weblog;
        
        if ($forum_sort == 1){
            //NOW UPDATE THE LAST_MODIFIED STATUS OF THE WEBLOG_POST TO BE NOW SO THAT WE CAN SORT ON THIS IN THE FORUM VIEW...
            $object->last_updated=time();
            update_record('weblog_posts',$object);
        }
    }


    
        $forum_flag = user_flag_get('forum', $community);

        //echo $forum_flag;
        //echo $forum_default;        
        
        if ((!$forum_flag) && ($forum_default == 0))
        {
            $use_forum= "yes";
        }
        else if ((!$forum_flag) && ($forum_default == 1))
        {
            $use_forum= "no";
        }
        else
        {
            $use_forum= $forum_flag;
        }
        

    if ($use_forum == "yes" && run('users:type:get', $community) == 'community')
    {
        if ($object_type == 'weblog_post') {
            if ($event == 'delete') {
                $community_record=get_record('users','ident',$community);
                $redirect_url = $CFG->wwwroot . 'mod/forum/forum.php?weblog=' . $community_record->username;
                define('redirect_url',$redirect_url);
            } else {
                $redirect_url = $CFG->wwwroot . 'mod/forum/forum_view_thread.php?post=' . $post_id;
                define('redirect_url',$redirect_url);
            }
        }

        if ($object_type == 'weblog_comment') {
                $redirect_url = $CFG->wwwroot . 'mod/forum/forum_view_thread.php?post=' . $post_id;
                define('redirect_url',$redirect_url);
        }

    }

    return $object; 
}





function forum_widget_display($widget) {

  global $CFG;

  $blog_id= widget_get_data("blog_id", $widget->ident);
  $blog_posts= widget_get_data("blog_posts", $widget->ident);

  $style .= "<style type=\"text/css\">";
  $style .= str_replace('{{url}}', $CFG->wwwroot, file_get_contents($CFG->dirroot . "mod/forum/widget_css"));
  $style .= "</style>";
  
  $body= "";
  $body .=$style;
  
  
  
  if (empty ($blog_id)) {
    global $page_owner;
    $blog_id= $page_owner;
  }
  if (empty ($blog_posts)) {
    $blog_posts= 1;
  }

  $body .='<div class="forum-post">';
  $where= run("users:access_level_sql_where", $_SESSION['userid']);
  $posts= get_records_sql("select * from " . $CFG->prefix . "weblog_posts where ($where) and weblog = $blog_id order by last_updated desc limit $blog_posts");

  if (is_array($posts) && !empty ($posts)) {
    $body .="<ul>";
    foreach ($posts as $post) {
        $body .= '<li><a href="' . $CFG->wwwroot . 'mod/forum/forum_view_thread.php?post=' . $post->ident . '">' . $post->title . '</a> by '  . run("profile:display:name", $post->owner) . '</li>';
    }
    $body .='<li><a href="' . $CFG->wwwroot . user_info("username",$blog_id) . '/forum">[' . __gettext("View all Forum posts") . ']</a></li></ul>';
  }
  $body .= '</div>';

  return array ('title' => __gettext('Forum').' :: <a href="' . $CFG->wwwroot . user_info("username",$blog_id) . '/forum">' . htmlspecialchars(user_name($blog_id), ENT_COMPAT, 'utf-8') . '</a>', 'content' => $body);

}






function forum_widget_edit($widget) {

  global $CFG, $page_owner;

  $blog_id= widget_get_data("blog_id", $widget->ident);
  $blog_posts= widget_get_data("blog_posts", $widget->ident);
  if (empty ($blog_posts)) {
    $blog_posts= 1;
  }
  if (empty ($blog_id)) {
    $blog_id= $page_owner;
  }

  $connections= get_records_sql("select u.ident, u.name from " . $CFG->prefix . "friends f join " . $CFG->prefix . "users u on u.ident = f.friend where f.owner = " . $_SESSION['userid'] . " AND u.user_type=\"community\" order by u.name asc");
  $data= new stdClass;
  $data->ident= $page_owner;
  $data->name= run("profile:display:name", $page_owner);
  $connections[]= $data;
  if ($page_owner != $_SESSION['userid']) {
    $data= new stdClass;
    $data->ident= $_SESSION['userid'];
    $data->name= run("profile:display:name", $_SESSION['userid']);
    $connections[]= $data;
  }

  $body= "<h2>" . __gettext("Forum widget") . "</h2>";
  $body .= "<p>" . __gettext("This widget displays the last couple of forum posts from a community forum. To begin, select the community from your connections below:") . "</p>";

  $body .= "<p><select name=\"widget_data[blog_id]\">\n";
  if (is_array($connections) && !empty ($connections)) {
    foreach ($connections as $connection) {
      if ($connection->ident == $blog_id) {
        $selected= "selected=\"selected\"";
      } else {
        $selected= "";
      }
      $body .= "<option value=\"" . $connection->ident . "\" $selected>" . $connection->name . "</option>\n";
    }
  }
  $body .= "</select></p>\n";

  $body .= "<p>" . __gettext("Then enter the number of forum posts you'd like to display:") . "</p>";

  $body .= "<p><input type=\"text\" name=\"widget_data[blog_posts]\" value=\"" . $blog_posts . "\" /></p>";

  return $body;

}

?>