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236 lines
9.0 KiB
236 lines
9.0 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 dokeos.forum
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*/
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// name of the language file that needs to be included
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$language_file = array('forum','document');
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// including the global dokeos file
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require_once '../inc/global.inc.php';
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require_once '../gradebook/lib/gradebook_functions.inc.php';
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// the section (tabs)
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$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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$nameTools = get_lang('Forum');
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/*
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-----------------------------------------------------------
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Including necessary files
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-----------------------------------------------------------
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*/
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require_once 'forumconfig.inc.php';
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require_once 'forumfunction.inc.php';
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//are we in a lp ?
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$origin = '';
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if(isset($_GET['origin'])) {
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$origin = Security::remove_XSS($_GET['origin']);
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}
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// javascript
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$htmlHeadXtra[] = '<script>
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function advanced_parameters() {
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if(document.getElementById(\'id_qualify\').style.display == \'none\') {
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document.getElementById(\'id_qualify\').style.display = \'block\';
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document.getElementById(\'img_plus_and_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(\'id_qualify\').style.display = \'none\';
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document.getElementById(\'img_plus_and_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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/*
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==============================================================================
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MAIN DISPLAY SECTION
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==============================================================================
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*/
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/*
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-----------------------------------------------------------
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Retrieving forum and forum categorie information
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-----------------------------------------------------------
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*/
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$current_forum=get_forum_information($_GET['forum']); // note: this has to be validated that it is an existing forum.
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$current_forum_category=get_forumcategory_information($current_forum['forum_category']);
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/*
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-----------------------------------------------------------
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Breadcrumbs
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-----------------------------------------------------------
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*/
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if (isset($_SESSION['gradebook'])){
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$gradebook = Security::remove_XSS($_SESSION['gradebook']);
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}
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if (!empty($gradebook) && $gradebook=='view') {
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$interbreadcrumb[]= array (
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'url' => '../gradebook/'.Security::remove_XSS($_SESSION['gradebook_dest']),
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'name' => get_lang('ToolGradebook')
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);
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}
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if (!empty($_GET['gidReq'])) {
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$toolgroup = intval($_GET['gidReq']);
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api_session_register('toolgroup');
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}
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$session_toolgroup = 0;
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if (!empty($_SESSION['toolgroup'])) {
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$session_toolgroup = intval($_SESSION['toolgroup']);
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$group_properties = GroupManager :: get_group_properties($session_toolgroup);
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$interbreadcrumb[] = array ("url" => "../group/group.php", "name" => get_lang('Groups'));
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$interbreadcrumb[] = array ("url"=>"../group/group_space.php?gidReq=".$session_toolgroup, "name"=> get_lang('GroupSpace').' ('.$group_properties['name'].')');
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$interbreadcrumb[]=array("url" => "viewforum.php?origin=".$origin."&gidReq=".$session_toolgroup."&forum=".Security::remove_XSS($_GET['forum']),"name" => $current_forum['forum_title']);
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$interbreadcrumb[]=array("url" => "newthread.php?origin=".$origin."&forum=".Security::remove_XSS($_GET['forum']),"name" => get_lang('NewTopic'));
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} else {
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$interbreadcrumb[]=array("url" => "index.php?gradebook=$gradebook","name" => $nameTools);
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$interbreadcrumb[]=array("url" => "viewforumcategory.php?forumcategory=".$current_forum_category['cat_id'],"name" => $current_forum_category['cat_title']);
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$interbreadcrumb[]=array("url" => "viewforum.php?origin=".$origin."&forum=".Security::remove_XSS($_GET['forum']),"name" => $current_forum['forum_title']);
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$interbreadcrumb[]=array("url" => "newthread.php?origin=".$origin."&forum=".Security::remove_XSS($_GET['forum']),"name" => get_lang('NewTopic'));
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}
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/*
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-----------------------------------------------------------
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Resource Linker
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-----------------------------------------------------------
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*/
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if (isset($_POST['add_resources']) AND $_POST['add_resources']==get_lang('Resources')) {
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$_SESSION['formelements'] = $_POST;
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$_SESSION['origin'] = $_SERVER['REQUEST_URI'];
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$_SESSION['breadcrumbs'] = $interbreadcrumb;
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header("Location: ../resourcelinker/resourcelinker.php");
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}
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/*
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-----------------------------------------------------------
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Header
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-----------------------------------------------------------
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*/
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if($origin=='learnpath') {
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require_once api_get_path(INCLUDE_PATH).'reduced_header.inc.php';
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} else {
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Display :: display_header(null);
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//api_display_tool_title($nameTools);
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}
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/*
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-----------------------------------------------------------
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Is the user allowed here?
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-----------------------------------------------------------
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*/
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// the user is not allowed here if:
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// 1. the forumcategory or forum is invisible (visibility==0) and the user is not a course manager
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// 2. the forumcategory or forum is locked (locked <>0) and the user is not a course manager
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// 3. new threads are not allowed and the user is not a course manager
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// 4. anonymous posts are not allowed and the user is not logged in
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// I have split this is several pieces for clarity.
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if (!api_is_allowed_to_edit(false,true) && (($current_forum_category['visibility']==0 || $current_forum['visibility']==0))) {
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$forum_allow = forum_not_allowed_here();
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if ($forum_allow === false) {
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exit;
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}
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}
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// 2. the forumcategory or forum is locked (locked <>0) and the user is not a course manager
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if (!api_is_allowed_to_edit(false,true) AND ($current_forum_category['locked']<>0 OR $current_forum['locked']<>0)) {
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$forum_allow = forum_not_allowed_here();
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if ($forum_allow === false) {
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exit;
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}
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}
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// 3. new threads are not allowed and the user is not a course manager
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if (!api_is_allowed_to_edit(false,true) AND $current_forum['allow_new_threads']<>1) {
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$forum_allow = forum_not_allowed_here();
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if ($forum_allow === false) {
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exit;
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}
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}
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// 4. anonymous posts are not allowed and the user is not logged in
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if (!$_user['user_id'] AND $current_forum['allow_anonymous']<>1) {
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$forum_allow = forum_not_allowed_here();
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if ($forum_allow === false) {
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exit;
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}
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}
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/*
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-----------------------------------------------------------
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Display forms / Feedback Messages
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-----------------------------------------------------------
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*/
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handle_forum_and_forumcategories();
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// action links
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echo '<div class="actions">';
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echo '<span style="float:right;">'.search_link().'</span>';
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echo '<a href="index.php?gradebook='.$gradebook.'">'.Display::return_icon('back.png',get_lang('BackToForumOverview')).' '.get_lang('BackToForumOverview').'</a>';
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echo '<a href="viewforum.php?forum='.Security::remove_XSS($_GET['forum']).'&gidReq='.$session_toolgroup.'">'.Display::return_icon('forum.gif',get_lang('BackToForum')).' '.get_lang('BackToForum').'</a>';
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echo '</div>';
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/*
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-----------------------------------------------------------
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Display Forum Category and the Forum information
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-----------------------------------------------------------
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*/
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echo "<table class=\"data_table\" width='100%'>\n";
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if ($origin != 'learnpath') {
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echo "\t<tr>\n\t\t<th align=\"left\" colspan=\"2\">";
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echo '<span class="forum_title">'.prepare4display(Security::remove_XSS($current_forum['forum_title'])).'</span>';
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if (!empty ($current_forum['forum_comment'])) {
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echo '<br><span class="forum_description">'.prepare4display(Security::remove_XSS($current_forum['forum_comment'],STUDENT)).'</span>';
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}
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if (!empty ($current_forum_category['cat_title'])) {
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echo '<br /><span class="forum_low_description">'.prepare4display(Security::remove_XSS($current_forum_category['cat_title']))."</span><br />";
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}
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echo "</th>\n";
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echo "\t</tr>\n";
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}
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echo '</table>';
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$values=show_add_post_form('newthread','', isset($_SESSION['formelements'])?$_SESSION['formelements']:null);
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if (!empty($values) and isset($values['SubmitPost'])) {
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//add new thread in table forum_thread
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store_thread($values);
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}
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/*
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==============================================================================
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FOOTER
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==============================================================================
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*/
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if ($origin!='learnpath') {
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Display :: display_footer();
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} |