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- <?php
- /*
- ==============================================================================
- Dokeos - elearning and course management software
- Copyright (c) 2006-2008 Dokeos SPRL
- Copyright (c) 2006 Ghent University (UGent)
- 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, 108 rue du Corbeau, 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 = array('forum','document');
- // including the global dokeos file
- require '../inc/global.inc.php';
- // 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).'formvalidator/FormValidator.class.php');
- include_once (api_get_path(LIBRARY_PATH).'groupmanager.lib.php');
- $nameTools=get_lang('Forum');
- $origin = '';
- if(isset($_GET['origin'])) {
- $origin = Security::remove_XSS($_GET['origin']);
- $origin_string = '&origin='.$origin;
- }
- /*
- -----------------------------------------------------------
- Including necessary files
- -----------------------------------------------------------
- */
- require 'forumconfig.inc.php';
- require_once 'forumfunction.inc.php';
- // javascript
- $htmlHeadXtra[] = '<script>
- function advanced_parameters() {
- if(document.getElementById(\'id_qualify\').style.display == \'none\') {
- document.getElementById(\'id_qualify\').style.display = \'block\';
- document.getElementById(\'img_plus_and_minus\').innerHTML=\' '.Display::return_icon('div_hide.gif',get_lang('Hide'),array('style'=>'vertical-align:middle')).' '.get_lang('AdvancedParameters').'\';
- } else {
- document.getElementById(\'id_qualify\').style.display = \'none\';
- document.getElementById(\'img_plus_and_minus\').innerHTML=\' '.Display::return_icon('div_show.gif',get_lang('Show'),array('style'=>'vertical-align:middle')).' '.get_lang('AdvancedParameters').'\';
- }
- }
- </script>';
- /*
- ==============================================================================
- MAIN DISPLAY SECTION
- ==============================================================================
- */
- /*
- -----------------------------------------------------------
- Retrieving forum and forum categorie information
- -----------------------------------------------------------
- */
- // we are getting all the information about the current forum and forum category.
- // note pcool: I tried to use only one sql statement (and function) for this
- // but the problem is that the visibility of the forum AND forum cateogory are stored in the item_property table
- $current_thread=get_thread_information(Security::remove_XSS($_GET['thread'])); // note: this has to be validated that it is an existing thread
- $current_forum=get_forum_information($current_thread['forum_id']); // note: this has to be validated that it is an existing forum.
- $current_forum_category=get_forumcategory_information(Security::remove_XSS($current_forum['forum_category']));
- /*
- -----------------------------------------------------------
- Breadcrumbs
- -----------------------------------------------------------
- */
- if (isset($_SESSION['gradebook'])){
- $gradebook= $_SESSION['gradebook'];
- }
- if (!empty($gradebook) && $gradebook=='view') {
- $interbreadcrumb[]= array (
- 'url' => '../gradebook/'.$_SESSION['gradebook_dest'],
- 'name' => get_lang('Gradebook')
- );
- }
- if (!empty($_SESSION['toolgroup'])) {
- $_clean['toolgroup']=(int)$_SESSION['toolgroup'];
- $group_properties = GroupManager :: get_group_properties($_clean['toolgroup']);
- $interbreadcrumb[] = array ("url" => "../group/group.php", "name" => get_lang('Groups'));
- $interbreadcrumb[] = array ("url" => "../group/group_space.php?gidReq=".$_SESSION['toolgroup'], "name"=> get_lang('GroupSpace').' ('.$group_properties['name'].')');
- $interbreadcrumb[]=array("url" => "viewforum.php?origin=".$origin."&forum=".Security::remove_XSS($_GET['forum']),"name" => $current_forum['forum_title']);
- $interbreadcrumb[]=array("url" => "viewthread.php?origin=".$origin."&gradebook=".$gradebook."&forum=".Security::remove_XSS($_GET['forum'])."&thread=".Security::remove_XSS($_GET['thread']),"name" => $current_thread['thread_title']);
- $interbreadcrumb[]=array("url" => "javascript: void(0);","name" => get_lang('Reply'));
- } else {
- $interbreadcrumb[]=array("url" => "index.php?gradebook=$gradebook","name" => $nameTools);
- $interbreadcrumb[]=array("url" => "viewforumcategory.php?forumcategory=".$current_forum_category['cat_id'],"name" => $current_forum_category['cat_title']);
- $interbreadcrumb[]=array("url" => "viewforum.php?origin=".$origin."&forum=".Security::remove_XSS($_GET['forum']),"name" => $current_forum['forum_title']);
- $interbreadcrumb[]=array("url" => "viewthread.php?origin=".$origin."&gradebook=".$gradebook."&forum=".Security::remove_XSS($_GET['forum'])."&thread=".Security::remove_XSS($_GET['thread']),"name" => $current_thread['thread_title']);
- $interbreadcrumb[]=array("url" => "javascript: void(0);","name" => get_lang('Reply'));
- }
- /*
- -----------------------------------------------------------
- Resource Linker
- -----------------------------------------------------------
- */
- if (isset($_POST['add_resources']) AND $_POST['add_resources']==get_lang('Resources')) {
- $_SESSION['formelements']=$_POST;
- $_SESSION['origin']=$_SERVER['REQUEST_URI'];
- $_SESSION['breadcrumbs']=$interbreadcrumb;
- header("Location: ../resourcelinker/resourcelinker.php");
- }
- /*
- -----------------------------------------------------------
- Header
- -----------------------------------------------------------
- */
- if($origin=='learnpath') {
- include(api_get_path(INCLUDE_PATH).'reduced_header.inc.php');
- } else {
- // the last element of the breadcrumb navigation is already set in interbreadcrumb, so give empty string
- Display :: display_header('');
- api_display_tool_title($nameTools);
- }
- /*
- -----------------------------------------------------------
- Is the user allowed here?
- -----------------------------------------------------------
- */
- // The user is not allowed here if
- // 1. the forumcategory, forum or thread is invisible (visibility==0
- // 2. the forumcategory, forum or thread is locked (locked <>0)
- // 3. if anonymous posts are not allowed
- // The only exception is the course manager
- // I have split this is several pieces for clarity.
- //if (!api_is_allowed_to_edit() AND (($current_forum_category['visibility']==0 OR $current_forum['visibility']==0) OR ($current_forum_category['locked']<>0 OR $current_forum['locked']<>0 OR $current_thread['locked']<>0)))
- if (!api_is_allowed_to_edit(false,true) AND (($current_forum_category['visibility']==0 OR $current_forum['visibility']==0))) {
- forum_not_allowed_here();
- }
- if (!api_is_allowed_to_edit(false,true) AND ($current_forum_category['locked']<>0 OR $current_forum['locked']<>0 OR $current_thread['locked']<>0)) {
- forum_not_allowed_here();
- }
- if (!$_user['user_id'] AND $current_forum['allow_anonymous']==0) {
- forum_not_allowed_here();
- }
- /*
- -----------------------------------------------------------
- Action links
- -----------------------------------------------------------
- */
- if ($origin != 'learnpath') {
- echo '<div class="actions">';
- echo '<span style="float:right;">'.search_link().'</span>';
- echo '<a href="index.php?gradebook='.$gradebook.'">'.Display::return_icon('back.png',get_lang('BackToForumOverview')).' '.get_lang('BackToForumOverview').'</a>';
- echo '<a href="viewforum.php?forum='.Security::remove_XSS($_GET['forum']).'&gidReq='.$_SESSION['toolgroup'].'">'.Display::return_icon('forum.gif',get_lang('BackToForum')).' '.get_lang('BackToForum').'</a>';
- echo '<a href="viewthread.php?forum='.Security::remove_XSS($_GET['forum']).'&gradebook='.$gradebook.'&thread='.Security::remove_XSS($_GET['thread']).'">'.Display::return_icon('forumthread.gif',get_lang('BackToThread')).' '.get_lang('BackToThread').'</a>';
- echo '</div>';
- } else {
- echo '<div style="height:15px"> </div>';
- }
- /*
- -----------------------------------------------------------
- Display Forum Category and the Forum information
- -----------------------------------------------------------
- */
- echo "<table class=\"data_table\" width='100%'>\n";
- // the forum category
- echo "\t<tr>\n\t\t<th style=\"padding-left:5px;\" align=\"left\" colspan=\"2\">";
- echo '<span class="forum_title">'.prepare4display(Security::remove_XSS($current_thread['thread_title'])).'</span><br />';
- if (!empty ($current_forum_category['cat_title'])) {
- echo '<span class="forum_low_description">'.prepare4display(Security::remove_XSS($current_forum_category['cat_title']))." - </span>";
- }
- //echo '<span class="forum_low_description">'.prepare4display(Security::remove_XSS($current_forum['forum_title'])).'</span>';
- echo "</th>\n";
- echo "\t</tr>\n";
- echo '</table>';
- // the form for the reply
- $my_action = isset($_GET['action']) ? Security::remove_XSS($_GET['action']) : '';
- $my_post = isset($_GET['post']) ? Security::remove_XSS($_GET['post']) : '';
- $my_elements = isset($_SESSION['formelements']) ? $_SESSION['formelements'] : '';
- $values=show_add_post_form(Security::remove_XSS($my_action,$my_post, $my_elements)); // note: this has to be cleaned first
- if (!empty($values) AND isset($_POST['SubmitPost'])) {
- store_reply(Security::remove_XSS($values));
- }
- /*
- ==============================================================================
- FOOTER
- ==============================================================================
- */
- if($origin!='learnpath') {
- Display :: display_footer();
- }
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