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- <?php // $Id: document.php 16494 2008-10-10 22:07:36Z yannoo $
- /*
- ==============================================================================
- Dokeos - elearning and course management software
- Copyright (c) 2004-2008 Dokeos SPRL
- Copyright (c) 2003 Ghent University (UGent)
- Copyright (c) 2001 Universite catholique de Louvain (UCL)
- Copyright (c) various contributors
- For a full list of contributors, see "credits.txt".
- The full license can be read in "license.txt".
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License
- as published by the Free Software Foundation; either version 2
- of the License, or (at your option) any later version.
- See the GNU General Public License for more details.
- Contact address: Dokeos, rue du Corbeau, 108, B-1030 Brussels, Belgium
- Mail: info@dokeos.com
- ==============================================================================
- */
- /**
- * These files are a complete rework of the forum. The database structure is
- * based on phpBB but all the code is rewritten. A lot of new functionalities
- * are added:
- * - forum categories and forums can be sorted up or down, locked or made invisible
- * - consistent and integrated forum administration
- * - forum options: are students allowed to edit their post?
- * moderation of posts (approval)
- * reply only forums (students cannot create new threads)
- * multiple forums per group
- * - sticky messages
- * - new view option: nested view
- * - quoting a message
- *
- * @Author Patrick Cool <patrick.cool@UGent.be>, Ghent University
- * @Copyright Ghent University
- * @Copyright Patrick Cool
- *
- * @package dokeos.forum
- */
- // name of the language file that needs to be included
- $language_file = 'forum';
- // including the global dokeos file
- require '../inc/global.inc.php';
- $htmlHeadXtra[] = '<script type="text/javascript" src="'.api_get_path(WEB_CODE_PATH).'inc/lib/javascript/jquery.js" ></script>';
- $htmlHeadXtra[] = '<script type="text/javascript" language="javascript">
- $(document).ready(function(){ $(\'.hide-me\').slideUp() });
- function hidecontent(content){ $(content).slideToggle(\'normal\'); }
- </script>';
- $htmlHeadXtra[] = '<script type="text/javascript" language="javascript">
- function advanced_parameters() {
- if(document.getElementById(\'options\').style.display == \'none\') {
- document.getElementById(\'options\').style.display = \'block\';
- document.getElementById(\'plus_minus\').innerHTML=\' '.Display::return_icon('div_hide.gif',get_lang('Hide'),array('style'=>'vertical-align:middle')).' '.get_lang('AdvancedParameters').'\';
- } else {
- document.getElementById(\'options\').style.display = \'none\';
- document.getElementById(\'plus_minus\').innerHTML=\' '.Display::return_icon('div_show.gif',get_lang('Show'),array('style'=>'vertical-align:middle')).' '.get_lang('AdvancedParameters').'\';
- }
- }
- </script>';
- // the section (tabs)
- $this_section=SECTION_COURSES;
- // notice for unauthorized people.
- api_protect_course_script(true);
- // including additional library scripts
- require_once(api_get_path(LIBRARY_PATH).'/text.lib.php');
- require_once (api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php');
- require_once (api_get_path(LIBRARY_PATH).'groupmanager.lib.php');
- $nameTools=get_lang('Forums');
- /*
- -----------------------------------------------------------
- Including necessary files
- -----------------------------------------------------------
- */
- require 'forumconfig.inc.php';
- require_once 'forumfunction.inc.php';
- /*
- ==============================================================================
- MAIN DISPLAY SECTION
- ==============================================================================
- */
- /*
- -----------------------------------------------------------
- Header
- -----------------------------------------------------------
- */
- if (!empty($_GET['gradebook']) && $_GET['gradebook']=='view' ) {
- $_SESSION['gradebook']=Security::remove_XSS($_GET['gradebook']);
- $gradebook= $_SESSION['gradebook'];
- } elseif (empty($_GET['gradebook'])) {
- unset($_SESSION['gradebook']);
- $gradebook= '';
- }
- if (!empty($gradebook) && $gradebook=='view') {
- $interbreadcrumb[] = array (
- 'url' => '../gradebook/' . $_SESSION['gradebook_dest'],
- 'name' => get_lang('ToolGradebook')
- );
- }
- $search_forum=isset($_GET['search']) ? Security::remove_XSS($_GET['search']) : '';
- $interbreadcrumb[]=array("url" => "index.php?gradebook=$gradebook&search=".$search_forum,"name" => $nameTools);
- if (isset($_GET['action']) && $_GET['action']=='add' ) {
- switch ($_GET['content']) {
- case 'forum': $interbreadcrumb[] = array ("url" => api_get_self().'?'.api_get_cidreq().'&gradebook='.$gradebook.'&action=add&content=forum', 'name' => get_lang('AddForum')); break;
- case 'forumcategory':$interbreadcrumb[] = array ("url" => api_get_self().'?'.api_get_cidreq().'&gradebook='.$gradebook.'&action=add&content=forumcategory', 'name' => get_lang('AddForumCategory'));break;
- default: break;
- }
- }
- Display :: display_header('');
- // api_display_tool_title($nameTools);
- //echo '<link href="forumstyles.css" rel="stylesheet" type="text/css" />';
- // Tool introduction
- Display::display_introduction_section(TOOL_FORUM);
- $form_count=0;
- /*
- ------------------------------------------------------------------------------------------------------
- ACTIONS
- ------------------------------------------------------------------------------------------------------
- */
- $get_actions=isset($_GET['action']) ? $_GET['action'] : '';
- if (api_is_allowed_to_edit(false,true)) {
- handle_forum_and_forumcategories();
- }
- // notification
- if (isset($_GET['action']) && $_GET['action'] == 'notify' AND isset($_GET['content']) AND isset($_GET['id'])) {
- if (api_get_session_id()!=0 && api_is_allowed_to_session_edit(false,true)==false) {
- api_not_allowed();
- }
- $return_message = set_notification($_GET['content'],$_GET['id']);
- Display :: display_confirmation_message($return_message,false);
- }
- get_whats_new();
- $whatsnew_post_info = array();
- $whatsnew_post_info = $_SESSION['whatsnew_post_info'];
- /*
- -----------------------------------------------------------
- TRACKING
- -----------------------------------------------------------
- */
- event_access_tool(TOOL_FORUM);
- /*
- ------------------------------------------------------------------------------------------------------
- RETRIEVING ALL THE FORUM CATEGORIES AND FORUMS
- ------------------------------------------------------------------------------------------------------
- note: we do this here just after het handling of the actions to be sure that we already incorporate the
- latest changes
- */
- // Step 1: We store all the forum categories in an array $forum_categories
- $forum_categories=array();
- $forum_categories_list=get_forum_categories();
- // step 2: we find all the forums (only the visible ones if it is a student)
- $forum_list=array();
- $forum_list=get_forums();
- /*
- ------------------------------------------------------------------------------------------------------
- RETRIEVING ALL GROUPS AND THOSE OF THE USER
- ------------------------------------------------------------------------------------------------------
- */
- // the groups of the user
- $groups_of_user=array();
- $groups_of_user=GroupManager::get_group_ids($_course['dbName'], $_user['user_id']);
- // all groups in the course (and sorting them as the id of the group = the key of the array
- if (!api_is_anonymous()) {
- $all_groups=GroupManager::get_group_list();
- if(is_array($all_groups)) {
- foreach ($all_groups as $group) {
- $all_groups[$group['id']]=$group;
- }
- }
- }
- /*
- ------------------------------------------------------------------------------------------------------
- CLEAN GROUP ID FOR AJAXFILEMANAGER
- ------------------------------------------------------------------------------------------------------
- */
- if(isset($_SESSION['_gid']))
- {
- unset($_SESSION['_gid']);
- }
- /*
- ------------------------------------------------------------------------------------------------------
- ACTION LINKS
- ------------------------------------------------------------------------------------------------------
- */
- $session_id=isset($_SESSION['id_session']) ? $_SESSION['id_session'] : false;
- //if (api_is_allowed_to_edit() and !$_GET['action'])
- echo '<div class="actions">';
- echo '<span>'.search_link().'</span>';
- if (api_is_allowed_to_edit(false,true)) {
- echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&gradebook='.$gradebook.'&action=add&content=forumcategory"> '.Display::return_icon('forum_category_new.gif', get_lang('AddForumCategory')).' '.get_lang('AddForumCategory').'</a>';
- if (is_array($forum_categories_list) and !empty($forum_categories_list)) {
- echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&gradebook='.$gradebook.'&action=add&content=forum"> '.Display::return_icon('forum_new.gif', get_lang('AddForum')).' '.get_lang('AddForum').'</a>';
- }
- //echo ' | <a href="forum_migration.php">'.get_lang('MigrateForum').'</a>';
- }
- echo '</div>';
- /*
- ------------------------------------------------------------------------------------------------------
- Display Forum Categories and the Forums in it
- ------------------------------------------------------------------------------------------------------
- */
- echo '<table class="data_table">'."\n";
- // Step 3: we display the forum_categories first
- if(is_array($forum_categories_list)) {
- foreach ($forum_categories_list as $forum_category_key => $forum_category) {
-
- //validacion when belongs to a session
- $session_img = api_get_session_image($forum_category['session_id'], $_user['status']);
-
- if((!isset($_SESSION['id_session']) || $_SESSION['id_session']==0) && !empty($forum_category['session_name'])) {
- $session_displayed = ' ('.Security::remove_XSS($forum_category['session_name']).')';
- } else {
- $session_displayed = '';
- }
- echo "\t<tr>\n\t\t<th style=\"padding-left:5px;\" align=\"left\" colspan=\"5\">";
- echo '<a href="viewforumcategory.php?'.api_get_cidreq().'&forumcategory='.prepare4display(Security::remove_XSS($forum_category['cat_id'])).'" '.class_visible_invisible(prepare4display($forum_category['visibility'])).'>'.prepare4display(Security::remove_XSS($forum_category['cat_title'])).$session_displayed.'</a>'. $session_img .'<br />';
-
- if ($forum_category['cat_comment']<>'' AND trim($forum_category['cat_comment'])<>' ') {
- echo '<span class="forum_description">'.prepare4display(Security::remove_XSS($forum_category['cat_comment'],STUDENT)).'</span>';
- }
- echo "</th>\n";
- echo '<th style="vertical-align: top;" align="center" >';
- if (api_is_allowed_to_edit(false,true) && !($forum_category['session_id']==0 && intval($session_id)!=0)) {
- echo "<a href=\"".api_get_self()."?".api_get_cidreq()."&gradebook=$gradebook&action=edit&content=forumcategory&id=".prepare4display($forum_category['cat_id'])."\">".icon('../img/edit.gif',get_lang('Edit'))."</a>";
- echo "<a href=\"".api_get_self()."?".api_get_cidreq()."&gradebook=$gradebook&action=delete&content=forumcategory&id=".prepare4display($forum_category['cat_id'])."\" onclick=\"javascript:if(!confirm('".addslashes(api_htmlentities(get_lang("DeleteForumCategory"),ENT_QUOTES,$charset))."')) return false;\">".icon('../img/delete.gif',get_lang('Delete'))."</a>";
- display_visible_invisible_icon('forumcategory', prepare4display($forum_category['cat_id']), prepare4display($forum_category['visibility']));
- display_lock_unlock_icon('forumcategory',prepare4display($forum_category['cat_id']), prepare4display($forum_category['locked']));
- display_up_down_icon('forumcategory',prepare4display($forum_category['cat_id']), $forum_categories_list);
- }
- echo '</th>';
- echo "\t</tr>\n";
- // step 4: the interim headers (for the forum)
- echo "\t<tr class=\"forum_header\">\n";
- echo "\t\t<td colspan=\"2\">".get_lang('Forum')."</td>\n";
- echo "\t\t<td>".get_lang('Topics')."</td>\n";
- echo "\t\t<td>".get_lang('Posts')."</td>\n";
- echo "\t\t<td>".get_lang('LastPosts')."</td>\n";
- echo "\t\t<td>".get_lang('Actions')."</td>\n";
- echo "\t</tr>\n";
- // the forums in this category
- $forums_in_category=get_forums_in_category($forum_category['cat_id']);
- // step 5: we display all the forums in this category.
- $forum_count=0;
- foreach ($forum_list as $key=>$forum) {
- // Here we clean the whatnew_post_info array a little bit because to display the icon we
- // test if $whatsnew_post_info[$forum['forum_id']] is empty or not.
- if (!empty($whatsnew_post_info)) {
- if (is_array(isset($whatsnew_post_info[$forum['forum_id']])?$whatsnew_post_info[$forum['forum_id']]:null)) {
- foreach ($whatsnew_post_info[$forum['forum_id']] as $key_thread_id => $new_post_array) {
- if (empty($whatsnew_post_info[$forum['forum_id']][$key_thread_id])) {
- unset($whatsnew_post_info[$forum['forum_id']][$key_thread_id]);
- unset($_SESSION['whatsnew_post_info'][$forum['forum_id']][$key_thread_id]);
- }
- }
- }
- }
- // note: this can be speeded up if we transform the $forum_list to an array that uses the forum_category as the key.
- if (prepare4display($forum['forum_category'])==prepare4display($forum_category['cat_id'])) {
- // the forum has to be showed if
- // 1.v it is a not a group forum (teacher and student)
- // 2.v it is a group forum and it is public (teacher and student)
- // 3. it is a group forum and it is private (always for teachers only if the user is member of the forum
- // if the forum is private and it is a group forum and the user is not a member of the group forum then it cannot be displayed
- //if (!($forum['forum_group_public_private']=='private' AND !is_null($forum['forum_of_group']) AND !in_array($forum['forum_of_group'], $groups_of_user)))
- //{
- $show_forum=false;
- // SHOULD WE SHOW THIS PARTICULAR FORUM
- // you are teacher => show forum
- if (api_is_allowed_to_edit(false,true)) {
- //echo 'teacher';
- $show_forum=true;
- } else {// you are not a teacher
- //echo 'student';
- // it is not a group forum => show forum (invisible forums are already left out see get_forums function)
- if ($forum['forum_of_group']=='0') {
- //echo '-gewoon forum';
- $show_forum=true;
- } else {
- // it is a group forum
- //echo '-groepsforum';
- // it is a group forum but it is public => show
- if ($forum['forum_group_public_private']=='public') {
- $show_forum=true;
- //echo '-publiek';
- } else if ($forum['forum_group_public_private']=='private') {
- // it is a group forum and it is private
- //echo '-prive';
- // it is a group forum and it is private but the user is member of the group
- if (in_array($forum['forum_of_group'],$groups_of_user)) {
- //echo '-is lid';
- $show_forum=true;
- } else {
- //echo '-is GEEN lid';
- $show_forum=false;
- }
- } else {
- $show_forum=false;
- }
- }
- }
- //echo '<hr>';
- if ($show_forum) {
- $form_count++;
- $mywhatsnew_post_info=isset($whatsnew_post_info[$forum['forum_id']]) ? $whatsnew_post_info[$forum['forum_id']]: null;
- echo "\t<tr class=\"forum\">\n";
- // Showing the image
- if(!empty($forum['forum_image'])) {
- $image_path = api_get_path(WEB_COURSE_PATH).api_get_course_path().'/upload/forum/images/'.$forum['forum_image'];
- $image_size = api_getimagesize($image_path);
- $img_attributes = '';
- if (!empty($image_size)) {
- if ($image_size[0] > 100 || $image_size[1] > 100) {
- //limit display width and height to 100px
- $img_attributes = 'width="100" height="100"';
- }
- echo "<img src=\"$image_path\" $img_attributes>";
- }
- }
- echo "</td>\n";
- echo "\t\t<td width=\"20\">";
- if ($forum['forum_of_group']!=='0') {
- if (is_array($mywhatsnew_post_info) and !empty($mywhatsnew_post_info)) {
- echo icon('../img/forumgroupnew.gif');
- } else {
- echo icon('../img/forumgroup.gif', get_lang('GroupForum'));
- }
- } else {
- if (is_array($mywhatsnew_post_info) and !empty($mywhatsnew_post_info)) {
- echo icon('../img/forum.gif', get_lang('Forum'));
- } else {
- echo icon('../img/forum.gif');
- }
- }
- echo "</td>\n";
-
- //validacion when belongs to a session
- $session_img = api_get_session_image($forum['session_id'], $_user['status']);
-
- if ($forum['forum_of_group'] <> '0') {
- $my_all_groups_forum_name = isset($all_groups[$forum['forum_of_group']]['name']) ? $all_groups[$forum['forum_of_group']]['name'] : null;
- $my_all_groups_forum_id = isset($all_groups[$forum['forum_of_group']]['id']) ? $all_groups[$forum['forum_of_group']]['id'] : null;
- $group_title = api_substr($my_all_groups_forum_name, 0, 30);
- $forum_title_group_addition = ' (<a href="../group/group_space.php?'.api_get_cidreq().'&gidReq='.$forum['forum_of_group'].'" class="forum_group_link">'.get_lang('GoTo').' '.$group_title.'</a>)' . $session_img;
- } else {
- $forum_title_group_addition = '';
- }
- if((!isset($_SESSION['id_session']) || $_SESSION['id_session']==0) && !empty($forum['session_name'])) {
- $session_displayed = ' ('.$forum['session_name'].')';
- } else {
- $session_displayed = '';
- }
- $forum['forum_of_group']==0?$groupid='':$groupid=$forum['forum_of_group'];
-
- echo "\t\t<td><a href=\"viewforum.php?".api_get_cidreq()."&gidReq=".Security::remove_XSS($groupid)."&forum=".prepare4display($forum['forum_id'])."\" ".class_visible_invisible(prepare4display($forum['visibility'])).">".prepare4display(Security::remove_XSS($forum['forum_title'])).$session_displayed.'</a>'.$forum_title_group_addition.'<br />'.prepare4display(Security::remove_XSS($forum['forum_comment'],STUDENT))."</td>\n";
- //$number_forum_topics_and_posts=get_post_topics_of_forum($forum['forum_id']); // deprecated
- // the number of topics and posts
- $number_threads=isset($forum['number_of_threads']) ? $forum['number_of_threads'] : null;
- $number_posts =isset($forum['number_of_posts']) ? $forum['number_of_posts'] : null;
- echo "\t\t<td>".$number_threads."</td>\n";
- echo "\t\t<td>".$number_posts."</td>\n";
- // the last post in the forum
- if ($forum['last_poster_name']<>'') {
- $name=$forum['last_poster_name'];
- $poster_id=0;
- } else {
- $name = api_get_person_name($forum['last_poster_firstname'], $forum['last_poster_lastname']);
- $poster_id=$forum['last_poster_id'];
- }
- echo "\t\t<td nowrap=\"nowrap\">";
- if (!empty($forum['last_post_id'])) {
- echo api_convert_and_format_date($forum['last_post_date'], null, date_default_timezone_get())."<br /> ".get_lang('By').' '.display_user_link($poster_id, $name);
- }
- echo "</td>\n";
- echo "\t\t<td nowrap=\"nowrap\" align=\"center\">";
- if (api_is_allowed_to_edit(false,true) && !($forum['session_id']==0 && intval($session_id)!=0)) {
- echo "<a href=\"".api_get_self()."?".api_get_cidreq()."&gradebook=$gradebook&action=edit&content=forum&id=".$forum['forum_id']."\">".icon('../img/edit.gif',get_lang('Edit'))."</a>";
- echo "<a href=\"".api_get_self()."?".api_get_cidreq()."&gradebook=$gradebook&action=delete&content=forum&id=".$forum['forum_id']."\" onclick=\"javascript:if(!confirm('".addslashes(api_htmlentities(get_lang("DeleteForum"),ENT_QUOTES,$charset))."')) return false;\">".icon('../img/delete.gif',get_lang('Delete'))."</a>";
- display_visible_invisible_icon('forum',$forum['forum_id'], $forum['visibility']);
- display_lock_unlock_icon('forum',$forum['forum_id'], $forum['locked']);
- display_up_down_icon('forum',$forum['forum_id'], $forums_in_category);
- }
- $iconnotify = 'send_mail.gif';
- $session_forum_noti=isset($_SESSION['forum_notification']['forum']) ? $_SESSION['forum_notification']['forum'] : false;
- if (is_array($session_forum_noti)) {
- if (in_array($forum['forum_id'],$session_forum_noti)) {
- $iconnotify = 'send_mail_checked.gif';
- }
- }
- if (!api_is_anonymous() && api_is_allowed_to_session_edit(false,true) ) {
- echo "<a href=\"".api_get_self()."?".api_get_cidreq()."&gradebook=$gradebook&action=notify&content=forum&id=".$forum['forum_id']."\">".icon('../img/'.$iconnotify,get_lang('NotifyMe'))."</a>";
- }
- echo "</td>\n";
- echo "\t</tr>";
- }
- }
- }
- if (count($forum_list)==0) {
- echo "\t<tr><td>".get_lang('NoForumInThisCategory')."</td>".(api_is_allowed_to_edit(false,true)?'<td colspan="6"></td>':'<td colspan="6"></td>')."</tr>\n";
- }
- }
- }
- echo "</table>\n";
- /*
- ==============================================================================
- FOOTER
- ==============================================================================
- */
- Display :: display_footer();
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