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416 lines
21 KiB
416 lines
21 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* These files are a complete rework of the forum. The database structure is
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* based on phpBB but all the code is rewritten. A lot of new functionalities
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* are added:
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* - forum categories and forums can be sorted up or down, locked or made invisible
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* - consistent and integrated forum administration
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* - forum options: are students allowed to edit their post?
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* moderation of posts (approval)
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* reply only forums (students cannot create new threads)
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* multiple forums per group
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* - sticky messages
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* - new view option: nested view
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* - quoting a message
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @copyright Ghent University
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* @copyright Patrick Cool
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*
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* @package chamilo.forum
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*/
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/**
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* Code
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*/
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// Name of the language file that needs to be included.
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$language_file = 'forum';
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// Including the global initialization file.
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require_once '../inc/global.inc.php';
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$htmlHeadXtra[] = '<script type="text/javascript">
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$(document).ready(function(){ $(\'.hide-me\').slideUp() });
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function hidecontent(content){ $(content).slideToggle(\'normal\'); }
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</script>';
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$htmlHeadXtra[] = '<script type="text/javascript">
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function advanced_parameters() {
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if(document.getElementById(\'options\').style.display == \'none\') {
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document.getElementById(\'options\').style.display = \'block\';
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document.getElementById(\'plus_minus\').innerHTML=\' '.Display::return_icon('div_hide.gif',get_lang('Hide'),array('style'=>'vertical-align:middle')).' '.get_lang('AdvancedParameters').'\';
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} else {
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document.getElementById(\'options\').style.display = \'none\';
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document.getElementById(\'plus_minus\').innerHTML=\' '.Display::return_icon('div_show.gif',get_lang('Show'),array('style'=>'vertical-align:middle')).' '.get_lang('AdvancedParameters').'\';
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}
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}
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</script>';
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// The section (tabs).
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$this_section = SECTION_COURSES;
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// Notification for unauthorized people.
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api_protect_course_script(true);
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// Including additional library scripts.
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require_once api_get_path(LIBRARY_PATH).'groupmanager.lib.php';
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$nameTools = get_lang('Forums');
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// Including necessary files.
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require_once 'forumconfig.inc.php';
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require_once 'forumfunction.inc.php';
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/* MAIN DISPLAY SECTION */
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/* Header */
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if (!empty($_GET['gradebook']) && $_GET['gradebook'] == 'view') {
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$_SESSION['gradebook'] = Security::remove_XSS($_GET['gradebook']);
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$gradebook = $_SESSION['gradebook'];
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} elseif (empty($_GET['gradebook'])) {
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unset($_SESSION['gradebook']);
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$gradebook = '';
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}
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if (!empty($gradebook) && $gradebook == 'view') {
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$interbreadcrumb[] = array (
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'url' => '../gradebook/' . $_SESSION['gradebook_dest'],
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'name' => get_lang('ToolGradebook')
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);
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}
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$search_forum = isset($_GET['search']) ? Security::remove_XSS($_GET['search']) : '';
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/* ACTIONS */
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$actions = isset($_GET['action']) ? $_GET['action'] : '';
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if ($actions == 'add') {
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switch ($_GET['content']) {
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case 'forum':
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$interbreadcrumb[] = array('url' => 'index.php?gradebook='.$gradebook.'&search='.$search_forum, 'name' => get_lang('ForumCategories'));
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$interbreadcrumb[] = array('url' =>'#', 'name' => get_lang('AddForum'));
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break;
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case 'forumcategory':
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$interbreadcrumb[] = array('url' =>'index.php?gradebook='.$gradebook.'&search='.$search_forum, 'name' => get_lang('ForumCategories'));
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$interbreadcrumb[] = array('url' =>'#', 'name' => get_lang('AddForumCategory'));
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break;
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default:
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break;
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}
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} else {
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$interbreadcrumb[] = array('url' => '#', 'name' => get_lang('ForumCategories'));
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}
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Display::display_header('');
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// Tool introduction
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Display::display_introduction_section(TOOL_FORUM);
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$form_count = 0;
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if (api_is_allowed_to_edit(false, true)) {
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//if is called from a learning path lp_id
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$lp_id = isset($_REQUEST['lp_id']) ? Security::remove_XSS($_REQUEST['lp_id']): null;
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handle_forum_and_forumcategories($lp_id);
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}
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// Notification
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if ($actions == 'notify' && isset($_GET['content']) && isset($_GET['id'])) {
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if (api_get_session_id() != 0 && api_is_allowed_to_session_edit(false, true) == false) {
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api_not_allowed();
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}
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$return_message = set_notification($_GET['content'], $_GET['id']);
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Display :: display_confirmation_message($return_message, false);
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}
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get_whats_new();
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$whatsnew_post_info = array();
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$whatsnew_post_info = $_SESSION['whatsnew_post_info'];
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/* TRACKING */
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event_access_tool(TOOL_FORUM);
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/*
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RETRIEVING ALL THE FORUM CATEGORIES AND FORUMS
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note: we do this here just after het handling of the actions to be sure that we already incorporate the
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latest changes
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*/
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// Step 1: We store all the forum categories in an array $forum_categories.
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$forum_categories_list = get_forum_categories();
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// Step 2: We find all the forums (only the visible ones if it is a student).
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$forum_list = array();
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$forum_list = get_forums();
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$user_id = api_get_user_id();
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/* RETRIEVING ALL GROUPS AND THOSE OF THE USER */
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// The groups of the user.
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$groups_of_user = array();
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$groups_of_user = GroupManager::get_group_ids($_course['real_id'], $user_id);
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// All groups in the course (and sorting them as the id of the group = the key of the array).
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if (!api_is_anonymous()) {
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$all_groups = GroupManager::get_group_list();
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if (is_array($all_groups)) {
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foreach ($all_groups as $group) {
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$all_groups[$group['id']] = $group;
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}
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}
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}
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/* CLEAN GROUP ID FOR AJAXFILEMANAGER */
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if (isset($_SESSION['_gid'])) {
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unset($_SESSION['_gid']);
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}
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/* ACTION LINKS */
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$session_id = api_get_session_id();
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echo '<div class="actions">';
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//if is called from learning path
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if (!empty($_GET['lp_id']) || !empty($_POST['lp_id'])){
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echo "<a href=\"../newscorm/lp_controller.php?".api_get_cidreq()."&gradebook=&action=add_item&type=step&lp_id=".$lp_id."#resource_tab-5\">".Display::return_icon('back.png', get_lang("BackTo").' '.get_lang("LearningPaths"),'',ICON_SIZE_MEDIUM)."</a>";
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}
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if (!empty($forum_list)) {
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echo search_link();
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}
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if (api_is_allowed_to_edit(false, true)) {
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echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&gradebook='.$gradebook.'&action=add&content=forumcategory&lp_id='.$lp_id.'"> '.Display::return_icon('new_folder.png', get_lang('AddForumCategory'),'',ICON_SIZE_MEDIUM).'</a>';
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if (is_array($forum_categories_list) and !empty($forum_categories_list)) {
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echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&gradebook='.$gradebook.'&action=add&content=forum&lp_id='.$lp_id.'"> '.Display::return_icon('new_forum.png', get_lang('AddForum'),'',ICON_SIZE_MEDIUM).'</a>';
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}
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}
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echo '</div>';
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/* Display Forum Categories and the Forums in it */
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// Step 3: We display the forum_categories first.
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if (is_array($forum_categories_list)) {
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foreach ($forum_categories_list as $forum_category) {
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// The forums in this category.
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$forums_in_category = get_forums_in_category($forum_category['cat_id']);
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echo '<table class="forum_table">';
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// Validacion when belongs to a session.
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$session_img = api_get_session_image($forum_category['session_id'], $_user['status']);
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if ((!isset($_SESSION['id_session']) || $_SESSION['id_session'] == 0) && !empty($forum_category['session_name'])) {
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$session_displayed = ' ('.Security::remove_XSS($forum_category['session_name']).')';
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} else {
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$session_displayed = '';
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}
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echo '<thead>';
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echo '<tr><th class="forum_head" colspan="5">';
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echo '<a href="viewforumcategory.php?'.api_get_cidreq().'&forumcategory='.strval(intval($forum_category['cat_id'])).'" '.class_visible_invisible(strval(intval($forum_category['visibility']))).'>'.prepare4display($forum_category['cat_title']).$session_displayed.'</a>'. $session_img .'<br />';
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if ($forum_category['cat_comment'] != '' && trim($forum_category['cat_comment']) != ' ') {
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echo '<span class="forum_description">'.prepare4display($forum_category['cat_comment']).'</span>';
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}
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echo '</th>';
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echo '<th style="vertical-align: top;" align="center" >';
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if (api_is_allowed_to_edit(false, true) && !($forum_category['session_id'] == 0 && intval($session_id) != 0)) {
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echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&gradebook='.$gradebook.'&action=edit&content=forumcategory&id='.intval($forum_category['cat_id']).'">'.Display::return_icon('edit.png', get_lang('Edit'), array(), ICON_SIZE_SMALL).'</a>';
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echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&gradebook='.$gradebook.'&action=delete&content=forumcategory&id='.intval($forum_category['cat_id'])."\" onclick=\"javascript:if(!confirm('".addslashes(api_htmlentities(get_lang('DeleteForumCategory'), ENT_QUOTES))."')) return false;\">".Display::return_icon('delete.png', get_lang('Delete'), array(), ICON_SIZE_SMALL).'</a>';
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display_visible_invisible_icon('forumcategory', strval(intval($forum_category['cat_id'])), strval(intval($forum_category['visibility'])));
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display_lock_unlock_icon('forumcategory', strval(intval($forum_category['cat_id'])), strval(intval($forum_category['locked'])));
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display_up_down_icon('forumcategory', strval(intval($forum_category['cat_id'])), $forum_categories_list);
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}
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echo '</th>';
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echo '</tr>';
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echo '</thead>';
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if (!empty($forums_in_category)) {
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// Step 4: The interim headers (for the forum).
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echo '<tr class="forum_header">';
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echo '<td></td>';
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echo '<td>'.get_lang('Forum').'</td>';
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echo '<td>'.get_lang('Topics').'</td>';
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echo '<td>'.get_lang('Posts').'</td>';
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echo '<td>'.get_lang('LastPosts').'</td>';
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echo '<td>'.get_lang('Actions').'</td>';
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echo '</tr>';
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// Step 5: We display all the forums in this category.
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foreach ($forum_list as $forum) {
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// Here we clean the whatnew_post_info array a little bit because to display the icon we
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// test if $whatsnew_post_info[$forum['forum_id']] is empty or not.
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if (!empty($whatsnew_post_info)) {
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if (is_array(isset($whatsnew_post_info[$forum['forum_id']]) ? $whatsnew_post_info[$forum['forum_id']] : null)) {
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foreach ($whatsnew_post_info[$forum['forum_id']] as $key_thread_id => $new_post_array) {
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if (empty($whatsnew_post_info[$forum['forum_id']][$key_thread_id])) {
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unset($whatsnew_post_info[$forum['forum_id']][$key_thread_id]);
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unset($_SESSION['whatsnew_post_info'][$forum['forum_id']][$key_thread_id]);
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}
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}
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}
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}
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// Note: This can be speeded up if we transform the $forum_list to an array that uses the forum_category as the key.
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if ($forum['forum_category'] == $forum_category['cat_id']) {
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// The forum has to be showed if
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// 1.v it is a not a group forum (teacher and student)
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// 2.v it is a group forum and it is public (teacher and student)
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// 3. it is a group forum and it is private (always for teachers only if the user is member of the forum
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// if the forum is private and it is a group forum and the user is not a member of the group forum then it cannot be displayed
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//if (!($forum['forum_group_public_private']=='private' AND !is_null($forum['forum_of_group']) AND !in_array($forum['forum_of_group'], $groups_of_user)))
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//{
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$show_forum = false;
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// SHOULD WE SHOW THIS PARTICULAR FORUM
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// you are teacher => show forum
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if (api_is_allowed_to_edit(false, true)) {
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//echo 'teacher';
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$show_forum = true;
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} else {
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// you are not a teacher
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// it is not a group forum => show forum (invisible forums are already left out see get_forums function)
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if ($forum['forum_of_group'] == '0') {
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$show_forum = true;
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} else {
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$show_forum = GroupManager::user_has_access($user_id, $forum['forum_of_group'], GROUP_TOOL_FORUM);
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}
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}
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if ($show_forum) {
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$form_count++;
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$mywhatsnew_post_info = isset($whatsnew_post_info[$forum['forum_id']]) ? $whatsnew_post_info[$forum['forum_id']] : null;
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$forum_image = '';
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echo '<td width="20">';
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// Showing the image
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if (!empty($forum['forum_image'])) {
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$image_path = api_get_path(WEB_COURSE_PATH).api_get_course_path().'/upload/forum/images/'.$forum['forum_image'];
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$image_size = api_getimagesize($image_path);
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$img_attributes = '';
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if (!empty($image_size)) {
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if ($image_size['width'] > 100 || $image_size['height'] > 100) {
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//limit display width and height to 100px
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$img_attributes = 'width="100" height="100"';
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}
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$forum_image = "<img src=\"$image_path\" $img_attributes>";
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} else {
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$forum_image = '';
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}
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echo $forum_image;
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} else {
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if ($forum['forum_of_group'] !== '0') {
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if (is_array($mywhatsnew_post_info) && !empty($mywhatsnew_post_info)) {
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echo Display::return_icon('forumgroupnew.gif');
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} else {
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echo Display::return_icon('forumgroup.gif', get_lang('GroupForum'));
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}
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} else {
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if (is_array($mywhatsnew_post_info) && !empty($mywhatsnew_post_info)) {
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echo Display::return_icon('forum.gif', get_lang('Forum'));
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} else {
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echo Display::return_icon('forum.gif');
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}
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}
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}
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echo '</td>';
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// Validacion when belongs to a session
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$session_img = api_get_session_image($forum['session_id'], $_user['status']);
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if ($forum['forum_of_group'] != '0') {
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$my_all_groups_forum_name = isset($all_groups[$forum['forum_of_group']]['name']) ? $all_groups[$forum['forum_of_group']]['name'] : null;
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$my_all_groups_forum_id = isset($all_groups[$forum['forum_of_group']]['id']) ? $all_groups[$forum['forum_of_group']]['id'] : null;
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$group_title = api_substr($my_all_groups_forum_name, 0, 30);
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$forum_title_group_addition = ' (<a href="../group/group_space.php?'.api_get_cidreq().'&gidReq='.$forum['forum_of_group'].'" class="forum_group_link">'.get_lang('GoTo').' '.$group_title.'</a>)' . $session_img;
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} else {
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$forum_title_group_addition = '';
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}
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if ((!isset($_SESSION['id_session']) || $_SESSION['id_session'] == 0) && !empty($forum['session_name'])) {
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$session_displayed = ' ('.$forum['session_name'].')';
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} else {
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$session_displayed = '';
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}
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$forum['forum_of_group'] == 0 ? $groupid = '' : $groupid = $forum['forum_of_group'];
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echo '<td><a href="viewforum.php?'.api_get_cidreq().'&gidReq='.intval($groupid).'&forum='.intval($forum['forum_id']).'" '.class_visible_invisible(strval(intval($forum['visibility']))).'>';
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//Forum title
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echo prepare4display($forum['forum_title']).$session_displayed.'</a>'.$forum_title_group_addition.'<br />';
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echo '<span class="forum_description">'.prepare4display($forum['forum_comment']).'</span>';
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echo '</td>';
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//$number_forum_topics_and_posts = get_post_topics_of_forum($forum['forum_id']); // deprecated
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// The number of topics and posts.
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$number_threads = isset($forum['number_of_threads']) ? $forum['number_of_threads'] : null;
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$number_posts = isset($forum['number_of_posts']) ? $forum['number_of_posts'] : null;
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echo '<td>'.$number_threads.'</td>';
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echo '<td>'.$number_posts.'</td>';
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// The last post in the forum.
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if ($forum['last_poster_name'] != '') {
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$name = $forum['last_poster_name'];
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$poster_id = 0;
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$username = "";
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} else {
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$name = api_get_person_name($forum['last_poster_firstname'], $forum['last_poster_lastname']);
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$poster_id = $forum['last_poster_id'];
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$userinfo = api_get_user_info($poster_id);
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$username = sprintf(get_lang('LoginX'), $userinfo['username']);
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}
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echo '<td nowrap="nowrap">';
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if (!empty($forum['last_post_id'])) {
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echo api_convert_and_format_date($forum['last_post_date']).'<br /> '.get_lang('By').' '.display_user_link($poster_id, $name, '', $username);
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}
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echo '</td>';
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echo '<td class="td_actions">';
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if (api_is_allowed_to_edit(false, true) && !($forum['session_id'] == 0 && intval($session_id) != 0)) {
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echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&gradebook='.$gradebook.'&action=edit&content=forum&id='.$forum['forum_id'].'">'.Display::return_icon('edit.png',get_lang('Edit'), array(), ICON_SIZE_SMALL).'</a>';
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echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&gradebook='.$gradebook.'&action=delete&content=forum&id='.$forum['forum_id']."\" onclick=\"javascript:if(!confirm('".addslashes(api_htmlentities(get_lang('DeleteForum'), ENT_QUOTES))."')) return false;\">".Display::return_icon('delete.png', get_lang('Delete'), array(), ICON_SIZE_SMALL).'</a>';
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display_visible_invisible_icon('forum', $forum['forum_id'], $forum['visibility']);
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display_lock_unlock_icon('forum', $forum['forum_id'], $forum['locked']);
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display_up_down_icon('forum', $forum['forum_id'], $forums_in_category);
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}
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$iconnotify = 'send_mail.gif';
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$session_forum_notification = isset($_SESSION['forum_notification']['forum']) ? $_SESSION['forum_notification']['forum'] : false;
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if (is_array($session_forum_notification)) {
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if (in_array($forum['forum_id'], $session_forum_notification)) {
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$iconnotify = 'send_mail_checked.gif';
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}
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}
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if (!api_is_anonymous() && api_is_allowed_to_session_edit(false, true) ) {
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echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&gradebook='.$gradebook.'&action=notify&content=forum&id='.$forum['forum_id'].'">'.Display::return_icon($iconnotify, get_lang('NotifyMe')).'</a>';
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}
|
|
echo '</td></tr>';
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
echo '<tr><td>'.get_lang('NoForumInThisCategory').'</td>'.(api_is_allowed_to_edit(false, true) ? '<td colspan="6"></td>' : '<td colspan="6"></td>').'</tr>';
|
|
}
|
|
echo '</table>';
|
|
}
|
|
}
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|
Display :: display_footer(); |