Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/forum/viewthread.php

244 lines
12 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* @author Julio Montoya <gugli100@gmail.com> UI Improvements + lots of bugfixes
* @package chamilo.forum
*/
// Language file that needs to be included.
$language_file = array ('forum', 'group');
// Including the global initialization file.
require_once '../inc/global.inc.php';
// The section (tabs.)
$this_section = SECTION_COURSES;
// Notification for unauthorized people.
api_protect_course_script(true);
// Including additional library scripts.
require_once api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php';
require_once api_get_path(LIBRARY_PATH).'groupmanager.lib.php';
require_once 'forumconfig.inc.php';
require_once 'forumfunction.inc.php';
$nameTools = get_lang('ToolForum');
// Are we in a lp ?
$origin = '';
if (isset($_GET['origin'])) {
$origin = Security::remove_XSS($_GET['origin']);
}
/* 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.
$current_thread = get_thread_information($_GET['thread']); // Nnote: 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.
$current_forum_category = get_forumcategory_information($current_forum['forum_category']);
$whatsnew_post_info = $_SESSION['whatsnew_post_info']; // This variable should be deprecated?
/* Header and Breadcrumbs */
if (!empty($_GET['gradebook']) && $_GET['gradebook'] == 'view') {
$_SESSION['gradebook'] = Security::remove_XSS($_GET['gradebook']);
$gradebook = $_SESSION['gradebook'];
}
if (!empty($gradebook) && $gradebook == 'view') {
$interbreadcrumb[] = array (
'url' => '../gradebook/' . $_SESSION['gradebook_dest'],
'name' => get_lang('ToolGradebook')
);
}
if ($origin == 'group') {
$session_toolgroup = intval($_SESSION['toolgroup']);
$group_properties = GroupManager :: get_group_properties($session_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']);
$interbreadcrumb[] = array('url'=>'viewforum.php?forum='.Security::remove_XSS($_GET['forum']).'&amp;gidReq='.$session_toolgroup.'&amp;origin='.$origin.'&amp;search='.Security::remove_XSS(urlencode($my_search)), 'name' => Security::remove_XSS($current_forum['forum_title']));
$interbreadcrumb[] = array('url'=>'viewthread.php?forum='.Security::remove_XSS($_GET['forum']).'&amp;gradebook='.$gradebook.'&amp;thread='.Security::remove_XSS($_GET['thread']), 'name' => Security::remove_XSS($current_thread['thread_title']));
Display :: display_header('');
//api_display_tool_title($nameTools);
} else {
$my_search = isset($_GET['search']) ? $_GET['search'] : '';
if ($origin == 'learnpath') {
require_once api_get_path(INCLUDE_PATH).'reduced_header.inc.php';
} else {
$interbreadcrumb[] = array('url' => 'index.php?gradebook='.$gradebook.'&amp;search='.Security::remove_XSS(urlencode($my_search)), 'name' => $nameTools);
$interbreadcrumb[] = array('url' => 'viewforumcategory.php?forumcategory='.$current_forum_category['cat_id'].'&amp;origin='.$origin.'&amp;search='.Security::remove_XSS(urlencode($my_search)), 'name' => Security::remove_XSS($current_forum_category['cat_title']));
$interbreadcrumb[] = array('url' => 'viewforum.php?forum='.Security::remove_XSS($_GET['forum']).'&amp;origin='.$origin.'&amp;search='.Security::remove_XSS(urlencode($my_search)), 'name' => Security::remove_XSS($current_forum['forum_title']));
$message = isset($message) ? $message : '';
// the last element of the breadcrumb navigation is already set in interbreadcrumb, so give empty string
Display :: display_header('');
//api_display_tool_title($nameTools);
}
}
/* Is the user allowed here? */
// If the user is not a course administrator and the forum is hidden
// then the user is not allowed here.
if (!api_is_allowed_to_edit(false, true) AND ($current_forum['visibility'] == 0 OR $current_thread['visibility'] == 0)) {
$forum_allow = forum_not_allowed_here();
if ($forum_allow === false) {
exit;
}
}
/* Actions */
$my_action = isset($_GET['action']) ? $_GET['action'] : '';
if ($my_action == 'delete' AND isset($_GET['content']) AND isset($_GET['id']) AND api_is_allowed_to_edit(false, true)) {
$message = delete_post($_GET['id']); // Note: This has to be cleaned first.
}
if (($my_action == 'invisible' OR $my_action == 'visible') AND isset($_GET['id']) AND api_is_allowed_to_edit(false, true)) {
$message = approve_post($_GET['id'], $_GET['action']); // Note: This has to be cleaned first.
}
if ($my_action == 'move' AND isset($_GET['post'])) {
$message = move_post_form();
}
/* Display the action messages */
$my_message = isset($message) ? $message : '';
if ($my_message) {
Display :: display_confirmation_message(get_lang($my_message));
}
if ($my_message != 'PostDeletedSpecial') {
// in this case the first and only post of the thread is removed
// this increases the number of times the thread has been viewed
increase_thread_view($_GET['thread']);
/* Action Links */
if ($origin == 'learnpath') {
echo '<div style="height:15px">&nbsp;</div>';
}
echo '<div class="actions">';
echo '<span style="float:right;">'.search_link().'</span>';
if ($origin != 'learnpath') {
if ($origin == 'group') {
echo '<a href="../group/group_space.php?'.api_get_cidreq().'&amp;gidReq='.Security::remove_XSS($_GET['gidReq']).'&amp;gradebook='.$gradebook.'">'.Display::return_icon('back.png', get_lang('BackTo').' '.get_lang('Groups'), '', '32').'</a>';
echo '<a href="viewforum.php?forum='.Security::remove_XSS($_GET['forum']).'&amp;gidReq='.$session_toolgroup.'&amp;origin='.$origin.'">'.Display::return_icon('forum.png', get_lang('BackToForum'), '', '32').'</a>';
} else {
echo '<a href="index.php?gradebook='.$gradebook.'">'.Display::return_icon('back.png', get_lang('BackToForumOverview'), '', '32').'</a>';
echo '<a href="viewforum.php?forum='.Security::remove_XSS($_GET['forum']).'&amp;gidReq='.$session_toolgroup.'">'.Display::return_icon('forum.png', get_lang('BackToForum'), '', '32').'</a>';
}
}
// The reply to thread link should only appear when the forum_category is not locked AND the forum is not locked AND the thread is not locked.
// If one of the three levels is locked then the link should not be displayed.
if ($current_forum_category['locked'] == 0 AND $current_forum['locked'] == 0 AND $current_thread['locked'] == 0 OR api_is_allowed_to_edit(false, true)) {
// The link should only appear when the user is logged in or when anonymous posts are allowed.
if ($_user['user_id'] OR ($current_forum['allow_anonymous'] == 1 AND !$_user['user_id'])) {
// reply link
if (!api_is_anonymous() && api_is_allowed_to_session_edit(false, true)) {
echo '<a href="reply.php?'.api_get_cidreq().'&amp;gidReq='.Security::remove_XSS($_GET['gidReq']).'&amp;forum='.Security::remove_XSS($_GET['forum']).'&amp;thread='.Security::remove_XSS($_GET['thread']).'&amp;action=replythread&amp;origin='.$origin.'">'.Display::return_icon('reply_thread.png', get_lang('ReplyToThread'), '', '32').'</a>';
}
// new thread link
if ((api_is_allowed_to_edit(false, true) && !(api_is_course_coach() && $current_forum['session_id'] != $_SESSION['id_session'])) OR ($current_forum['allow_new_threads'] == 1 AND isset($_user['user_id'])) OR ($current_forum['allow_new_threads'] == 1 AND !isset($_user['user_id']) AND $current_forum['allow_anonymous'] == 1)) {
if ($current_forum['locked'] <> 1 AND $current_forum['locked'] <> 1) {
echo '&nbsp;&nbsp;';
/* if ( isset($_GET['gradebook']) && $_GET['gradebook'] != '') {
$info_thread = get_thread_information($_GET['thread']);
echo '<a href="newthread.php?'.api_get_cidreq().'&amp;forum='.$info_thread['forum_id'].'&amp;origin='.$origin.'&amp;gradebook='.Security::remove_XSS($_GET['gradebook']).'">'.Display::return_icon('new_thread.png', get_lang('NewTopic'), '', '32').'</a>';
} else {
echo '<a href="newthread.php?'.api_get_cidreq().'&amp;forum='.Security::remove_XSS($_GET['forum']).'&amp;origin='.$origin.'">'.Display::return_icon('new_thread.png', get_lang('NewTopic'), '', '32').'</a>';
} */
} else {
echo get_lang('ForumLocked');
}
}
}
}
// The different views of the thread.
if ($origin != 'learnpath') {
$my_url = '<a href="viewthread.php?'.api_get_cidreq().'&amp;gidReq='.Security::remove_XSS($_GET['gidReq']).'&amp;forum='.Security::remove_XSS($_GET['forum']).'&amp;origin='.$origin.'&amp;gradebook='.$gradebook.'&amp;thread='.Security::remove_XSS($_GET['thread']).'&amp;search='.Security::remove_XSS(urlencode($my_search));
echo $my_url.'&amp;view=flat&amp;origin='.$origin.'&amp;gradebook='.$gradebook.'">'.Display::return_icon('forum_listview.gif', get_lang('FlatView')).get_lang('FlatView').'</a>';
echo $my_url.'&amp;view=threaded&amp;origin='.$origin.'&amp;gradebook='.$gradebook.'">'.Display::return_icon('forum_threadedview.gif', get_lang('ThreadedView')).get_lang('ThreadedView').'</a>';
echo $my_url.'&amp;view=nested&amp;origin='.$origin.'&amp;gradebook='.$gradebook.'">'.Display::return_icon('forum_nestedview.gif', get_lang('NestedView')).get_lang('NestedView').'</a>';
}
$my_url = null;
echo '</div>&nbsp;';
/* Display Forum Category and the Forum information */
if (!isset($_SESSION['view'])) {
$viewmode = $current_forum['default_view'];
} else {
$viewmode = $_SESSION['view'];
}
$viewmode_whitelist = array('flat', 'threaded', 'nested');
if (isset($_GET['view']) && in_array($_GET['view'], $viewmode_whitelist)) {
$viewmode = $_GET['view'];
$_SESSION['view'] = $viewmode;
}
if (empty($viewmode)) {
$viewmode = 'flat';
}
/* Display Forum Category and the Forum information */
// We are getting all the information about the current forum and forum category.
// Note pcool: I tried to use only one sql statement (and function) for this,
// but the problem is that the visibility of the forum AND forum cateogory are stored in the item_property table.
echo '<table class="forum_table_title" width="100%">';
// The thread
echo '<tr><th style="padding:5px;" align="left" colspan="6">';
echo '<div class="forum_title">';
echo '<a href="viewforum.php?forum='.Security::remove_XSS($_GET['forum']).'&amp;gidReq='.$session_toolgroup.'&amp;origin='.$origin.'">'.$current_forum['forum_title'].'</a><br />';
echo '<span class="forum_description">';
echo $current_forum['forum_comment'];
echo '</span>';
echo '</div>';
if ($origin != 'learnpath') {
//echo '<span class="forum_low_description">'.prepare4display($current_forum_category['cat_title']).' ';
}
echo '</th></tr>';
echo '</table>';
switch ($viewmode) {
case 'flat':
include_once('viewthread_flat.inc.php');
break;
case 'threaded':
include_once('viewthread_threaded.inc.php');
break;
case 'nested':
include_once('viewthread_nested.inc.php');
break;
default:
include_once('viewthread_flat.inc.php');
break;
}
} // if ($message != 'PostDeletedSpecial') // in this case the first and only post of the thread is removed.
/* FOOTER */
if ($origin != 'learnpath') {
Display :: display_footer();
}