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435 lines
19 KiB
435 lines
19 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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// name of the language file that needs to be included
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$language_file = 'forum';
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// including the global dokeos file
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require_once '../inc/global.inc.php';
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$htmlHeadXtra[] = '<script type="text/javascript" src="'.api_get_path(WEB_CODE_PATH).'inc/lib/javascript/jquery.js" ></script>';
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$htmlHeadXtra[] = '<script type="text/javascript" language="javascript">
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$(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" language="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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$this_section=SECTION_COURSES;
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// notice for unauthorized people.
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api_protect_course_script(true);
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// including additional library scripts
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require_once api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php';
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require_once api_get_path(LIBRARY_PATH).'groupmanager.lib.php';
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$nameTools=get_lang('Forums');
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/*
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Including necessary files
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*/
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require_once 'forumconfig.inc.php';
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require_once 'forumfunction.inc.php';
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/*
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MAIN DISPLAY SECTION
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*/
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/*
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Header
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*/
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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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$interbreadcrumb[]=array("url" => "index.php?gradebook=$gradebook&search=".$search_forum,"name" => $nameTools);
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if (isset($_GET['action']) && $_GET['action']=='add' ) {
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switch ($_GET['content']) {
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case 'forum': $interbreadcrumb[] = array ("url" => api_get_self().'?'.api_get_cidreq().'&gradebook='.$gradebook.'&action=add&content=forum', 'name' => get_lang('AddForum')); break;
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case 'forumcategory':$interbreadcrumb[] = array ("url" => api_get_self().'?'.api_get_cidreq().'&gradebook='.$gradebook.'&action=add&content=forumcategory', 'name' => get_lang('AddForumCategory'));break;
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default: break;
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}
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}
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Display :: display_header('');
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// api_display_tool_title($nameTools);
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//echo '<link href="forumstyles.css" rel="stylesheet" type="text/css" />';
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// Tool introduction
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Display::display_introduction_section(TOOL_FORUM);
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$form_count=0;
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/*
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ACTIONS
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*/
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$get_actions=isset($_GET['action']) ? $_GET['action'] : '';
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if (api_is_allowed_to_edit(false,true)) {
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handle_forum_and_forumcategories();
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}
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// notification
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if (isset($_GET['action']) && $_GET['action'] == 'notify' AND isset($_GET['content']) AND 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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/*
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TRACKING
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*/
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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=array();
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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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$forum_list = get_forums();
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/*
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RETRIEVING ALL GROUPS AND THOSE OF THE USER
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*/
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// the groups of the user
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$groups_of_user=array();
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$groups_of_user=GroupManager::get_group_ids($_course['dbName'], $_user['user_id']);
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// all groups in the course (and sorting them as the id of the group = the key of the array
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if (!api_is_anonymous()) {
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$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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/*
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CLEAN GROUP ID FOR AJAXFILEMANAGER
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*/
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if(isset($_SESSION['_gid'])) {
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unset($_SESSION['_gid']);
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}
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/*
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ACTION LINKS
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*/
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$session_id=isset($_SESSION['id_session']) ? $_SESSION['id_session'] : false;
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//if (api_is_allowed_to_edit() and !$_GET['action'])
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echo '<div class="actions">';
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echo '<span>'.search_link().'</span>';
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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='.$gradebook.'&action=add&content=forumcategory"> '.Display::return_icon('forum_category_new.gif', get_lang('AddForumCategory')).' '.get_lang('AddForumCategory').'</a>';
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if (is_array($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"> '.Display::return_icon('forum_new.gif', get_lang('AddForum')).' '.get_lang('AddForum').'</a>';
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}
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//echo ' | <a href="forum_migration.php">'.get_lang('MigrateForum').'</a>';
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}
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echo '</div>';
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/*
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Display Forum Categories and the Forums in it
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*/
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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_key => $forum_category) {
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// the forums in this category
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$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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$session_displayed = '';
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}
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echo '<thead>';
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echo '<tr><th class="forum_head" colspan="5">';
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echo '<a href="viewforumcategory.php?'.api_get_cidreq().'&forumcategory='.prepare4display($forum_category['cat_id']).'" '.class_visible_invisible(prepare4display($forum_category['visibility'])).'>'.prepare4display($forum_category['cat_title']).$session_displayed.'</a>'. $session_img .'<br />';
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if ($forum_category['cat_comment']<>'' AND 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'])."\">".icon('../img/edit.gif',get_lang('Edit'))."</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,$charset))."')) return false;\">".icon('../img/delete.gif',get_lang('Delete'))."</a>";
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display_visible_invisible_icon('forumcategory', prepare4display($forum_category['cat_id']), prepare4display($forum_category['visibility']));
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display_lock_unlock_icon('forumcategory',prepare4display($forum_category['cat_id']), prepare4display($forum_category['locked']));
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display_up_down_icon('forumcategory',prepare4display($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 colspan=\"2\">".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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$forum_count=0;
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foreach ($forum_list as $key=>$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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$show_forum=true;
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} else {
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// you are not a teacher
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//echo 'student';
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// it is not a group forum => show forum (invisible forums are already left out see get_forums function)
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if ($forum['forum_of_group']=='0') {
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//echo '-gewoon forum';
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$show_forum=true;
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} else {
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// it is a group forum
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//echo '-groepsforum';
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// it is a group forum but it is public => show
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if ($forum['forum_group_public_private']=='public') {
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$show_forum=true;
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//echo '-publiek';
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} else if ($forum['forum_group_public_private']=='private') {
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// it is a group forum and it is private
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//echo '-prive';
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// it is a group forum and it is private but the user is member of the group
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if (in_array($forum['forum_of_group'],$groups_of_user)) {
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//echo '-is lid';
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$show_forum=true;
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} else {
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//echo '-is GEEN lid';
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$show_forum=false;
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}
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} else {
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$show_forum=false;
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}
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}
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}
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if ($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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echo '<tr class="forum">';
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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[0] > 100 || $image_size[1] > 100) {
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//limit display width and height to 100px
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$img_attributes = 'width="100" height="100"';
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}
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echo "<img src=\"$image_path\" $img_attributes>";
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}
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}
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echo "</td>";
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echo "<td width=\"20\">";
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if ($forum['forum_of_group']!=='0') {
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if (is_array($mywhatsnew_post_info) and !empty($mywhatsnew_post_info)) {
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echo icon('../img/forumgroupnew.gif');
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} else {
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echo icon('../img/forumgroup.gif', get_lang('GroupForum'));
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}
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} else {
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if (is_array($mywhatsnew_post_info) and !empty($mywhatsnew_post_info)) {
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echo icon('../img/forum.gif', get_lang('Forum'));
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} else {
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echo icon('../img/forum.gif');
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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($forum['forum_id'])."\" ".class_visible_invisible(prepare4display($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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$poster_id=0;
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} else {
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$name = api_get_person_name($forum['last_poster_firstname'], $forum['last_poster_lastname']);
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$poster_id=$forum['last_poster_id'];
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}
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echo "<td nowrap=\"nowrap\">";
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if (!empty($forum['last_post_id'])) {
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echo api_convert_and_format_date($forum['last_post_date'], null, date_default_timezone_get())."<br /> ".get_lang('By').' '.display_user_link($poster_id, $name);
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}
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echo "</td>";
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echo "<td nowrap=\"nowrap\" align=\"center\">";
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if (api_is_allowed_to_edit(false,true) && !($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=".$forum['forum_id']."\">".icon('../img/edit.gif',get_lang('Edit'))."</a>";
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echo "<a href=\"".api_get_self()."?".api_get_cidreq()."&gradebook=$gradebook&action=delete&content=forum&id=".$forum['forum_id']."\" onclick=\"javascript:if(!confirm('".addslashes(api_htmlentities(get_lang("DeleteForum"),ENT_QUOTES,$charset))."')) return false;\">".icon('../img/delete.gif',get_lang('Delete'))."</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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$session_forum_noti=isset($_SESSION['forum_notification']['forum']) ? $_SESSION['forum_notification']['forum'] : false;
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|
if (is_array($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>";
|
|
echo "</tr>";
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
//if (count($forum_list)==0) {
|
|
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>';
|
|
}
|
|
|
|
}
|
|
//echo "</table>";
|
|
|
|
/*
|
|
FOOTER
|
|
*/
|
|
Display :: display_footer();
|
|
|