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

192 lines
9.8 KiB

<?php
/*
==============================================================================
Dokeos - elearning and course management software
Copyright (c) 2006 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, 44 rue des palais, B-1030 Brussels, Belgium
Mail: info@dokeos.com
==============================================================================
*/
/**
* @Author Patrick Cool <patrick.cool@UGent.be>, Ghent University
* @Copyright Ghent University
* @Copyright Patrick Cool
*
* @package dokeos.forum
*/
//are we in a lp ?
$origin = '';
if(isset($_GET['origin']))
{
$origin = Security::remove_XSS($_GET['origin']);
}
//delete attachment file
if ((isset($_GET['action']) && $_GET['action']=='delete_attach') && isset($_GET['id_attach'])) {
delete_attachment(0,$_GET['id_attach']);
}
$rows=get_posts($_GET['thread']); // note: this has to be cleaned first
$rows=calculate_children($rows);
$count=0;
foreach ($rows as $post) {
// the style depends on the status of the message: approved or not
if ($post['visible']=='0') {
$titleclass='forum_message_post_title_2_be_approved';
$messageclass='forum_message_post_text_2_be_approved';
$leftclass='forum_message_left_2_be_approved';
} else {
$titleclass='forum_message_post_title';
$messageclass='forum_message_post_text';
$leftclass='forum_message_left';
}
$indent=$post['indent_cnt']*'20';
echo "<div style=\"margin-left: ".$indent."px;\">";
echo "<table width=\"100%\" class=\"post\" cellspacing=\"5\" border=\"0\">\n";
echo "\t<tr>\n";
echo "\t\t<td rowspan=\"3\" class=\"$leftclass\">";
if ($post['user_id']=='0') {
$name=$post['poster_name'];
} else {
$name=$post['firstname'].' '.$post['lastname'];
}
if (api_get_course_setting('allow_user_image_forum')) {
echo '<br />'.display_user_image($post['user_id'],$name,$origin).'<br />';
}
echo display_user_link($post['user_id'], $name, $origin).'<br />';
echo $post['post_date'].'<br /><br />';
// get attach id
$attachment_list=get_attachment($post['post_id']);
$id_attach = !empty($attachment_list)?$attachment_list['id']:'';
// The user who posted it can edit his thread only if the course admin allowed this in the properties of the forum
// The course admin him/herself can do this off course always
if (($current_forum['allow_edit']==1 AND $post['user_id']==$_user['user_id']) or (api_is_allowed_to_edit(false,true) && !(api_is_course_coach() && $current_forum['session_id']!=$_SESSION['id_session']))) {
echo "<a href=\"editpost.php?".api_get_cidreq()."&forum=".Security::remove_XSS($_GET['forum'])."&amp;thread=".Security::remove_XSS($_GET['thread'])."&amp;origin=".$origin."&amp;post=".$post['post_id']."&id_attach=".$id_attach."\">".icon('../img/edit.gif',get_lang('Edit'))."</a>\n";
}
if (api_is_allowed_to_edit(false,true) && !(api_is_course_coach() && $current_forum['session_id']!=$_SESSION['id_session'])) {
echo "<a href=\"".api_get_self()."?".api_get_cidreq()."&forum=".Security::remove_XSS($_GET['forum'])."&amp;thread=".Security::remove_XSS($_GET['thread'])."&amp;action=delete&amp;content=post&amp;id=".$post['post_id']."\" onclick=\"javascript:if(!confirm('".addslashes(htmlentities(get_lang("DeletePost"),ENT_QUOTES,$charset))."')) return false;\">".icon('../img/delete.gif',get_lang('Delete'))."</a>\n";
display_visible_invisible_icon('post', $post['post_id'], $post['visible'],array('forum'=>Security::remove_XSS($_GET['forum']),'thread'=>Security::remove_XSS($_GET['thread']) ));
echo "\n";
if ($count>0) {
echo "<a href=\"viewthread.php?".api_get_cidreq()."&forum=".Security::remove_XSS($_GET['forum'])."&amp;thread=".Security::remove_XSS($_GET['thread'])."&amp;action=move&amp;origin=".$origin."&amp;post=".$post['post_id']."\">".icon('../img/deplacer_fichier.gif',get_lang('MovePost'))."</a>";
}
}
$userinf=api_get_user_info($post['user_id']);
$user_status=api_get_status_of_user_in_course($post['user_id'],api_get_course_id());
if (api_is_allowed_to_edit()) {
if ($count>0 && $user_status!=1) {
$current_qualify_thread=show_qualify('1',$_GET['cidReq'],$_GET['forum'],$post['user_id'],$_GET['thread']);
echo "<a href=\"forumqualify.php?".api_get_cidreq()."&forum=".Security::remove_XSS($_GET['forum'])."&amp;thread=".Security::remove_XSS($_GET['thread'])."&amp;action=list&amp;post=".$post['post_id']."&amp;user=".$post['user_id']."&user_id=".$post['user_id']."&origin=".$origin."&idtextqualify=".$current_qualify_thread."\" >".icon('../img/new_test_small.gif',get_lang('Qualify'))."</a>\n";
}
}
echo '<br /><br />';
//if (($current_forum_category['locked']==0 AND $current_forum['locked']==0 AND $current_thread['locked']==0) OR api_is_allowed_to_edit())
if ($current_forum_category['locked']==0 AND $current_forum['locked']==0 AND $current_thread['locked']==0 OR api_is_allowed_to_edit(false,true)) {
if ($_user['user_id'] OR ($current_forum['allow_anonymous']==1 AND !$_user['user_id'])) {
echo '<a href="reply.php?'.api_get_cidreq().'&forum='.Security::remove_XSS($_GET['forum']).'&amp;thread='.Security::remove_XSS($_GET['thread']).'&amp;post='.$post['post_id'].'&amp;action=replymessage&amp;origin='. $origin .'">'.get_lang('ReplyToMessage').'</a><br />';
echo '<a href="reply.php?'.api_get_cidreq().'&forum='.Security::remove_XSS($_GET['forum']).'&amp;thread='.Security::remove_XSS($_GET['thread']).'&amp;post='.$post['post_id'].'&amp;action=quote&amp;origin='. $origin .'">'.get_lang('QuoteMessage').'</a><br /><br />';
}
} else {
if ($current_forum_category['locked']==1) {
echo get_lang('ForumcategoryLocked').'<br />';
}
if ($current_forum['locked']==1) {
echo get_lang('ForumLocked').'<br />';
}
if ($current_thread['locked']==1) {
echo get_lang('ThreadLocked').'<br />';
}
}
echo "</td>\n";
// note: this can be removed here because it will be displayed in the tree
if (isset($whatsnew_post_info[$current_forum['forum_id']][$current_thread['thread_id']][$post['post_id']]) and !empty($whatsnew_post_info[$current_forum['forum_id']][$current_thread['thread_id']][$post['post_id']]) and !empty($whatsnew_post_info[$_GET['forum']][$post['thread_id']])) {
$post_image=icon('../img/forumpostnew.gif');
} else {
$post_image=icon('../img/forumpost.gif');
}
if ($post['post_notification']=='1' AND $post['poster_id']==$_user['user_id']) {
$post_image.=icon('../img/forumnotification.gif',get_lang('YouWillBeNotified'));
}
// The post title
echo "\t\t<td class=\"$titleclass\">".prepare4display($post['post_title'])."</td>\n";
echo "\t</tr>\n";
// The post message
echo "\t<tr>\n";
echo "\t\t<td class=\"$messageclass\">".prepare4display($post['post_text'])."</td>\n";
echo "\t</tr>\n";
// The check if there is an attachment
$attachment_list=get_attachment($post['post_id']);
if (!empty($attachment_list)) {
echo '<tr><td height="50%">';
$realname=$attachment_list['path'];
$user_filename=$attachment_list['filename'];
echo Display::return_icon('attachment.gif',get_lang('Attachment'));
echo '<a href="download.php?file=';
echo $realname;
echo ' "> '.$user_filename.' </a>';
echo '<span class="forum_attach_comment" >'.$attachment_list['comment'].'</span>';
if (($current_forum['allow_edit']==1 AND $post['user_id']==$_user['user_id']) or (api_is_allowed_to_edit(false,true) && !(api_is_course_coach() && $current_forum['session_id']!=$_SESSION['id_session']))) {
echo '&nbsp;&nbsp;<a href="'.api_get_self().'?'.api_get_cidreq().'&amp;origin='.Security::remove_XSS($_GET['origin']).'&amp;action=delete_attach&amp;id_attach='.$attachment_list['id'].'&amp;forum='.Security::remove_XSS($_GET['forum']).'&amp;thread='.Security::remove_XSS($_GET['thread']).'" onclick="javascript:if(!confirm(\''.addslashes(htmlentities(get_lang("ConfirmYourChoice"),ENT_QUOTES,$charset)).'\')) return false;">'.Display::return_icon('delete.gif',get_lang('Delete')).'</a><br />';
}
echo '</td></tr>';
}
// The post has been displayed => it can be removed from the what's new array
unset($whatsnew_post_info[$current_forum['forum_id']][$current_thread['thread_id']][$row['post_id']]);
unset($_SESSION['whatsnew_post_info'][$current_forum['forum_id']][$current_thread['thread_id']][$row['post_id']]);
echo "</table>\n";
echo "</div>";
$count++;
}
/**
* This function builds an array of all the posts in a given thread where the key of the array is the post_id
* It also adds an element children to the array which itself is an array that contains all the id's of the first-level children
* @return an array containing all the information on the posts of a thread
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
*/
function calculate_children($rows) {
foreach($rows as $row) {
$rows_with_children[$row["post_id"]]=$row;
$rows_with_children[$row["post_parent_id"]]["children"][]=$row["post_id"];
}
$rows=$rows_with_children;
$sorted_rows=array(0=>array());
_phorum_recursive_sort($rows, $sorted_rows);
unset($sorted_rows[0]);
return $sorted_rows;
}
function _phorum_recursive_sort($rows, &$threads, $seed=0, $indent=0) {
if($seed>0) {
$threads[$rows[$seed]["post_id"]]=$rows[$seed];
$threads[$rows[$seed]["post_id"]]["indent_cnt"]=$indent;
$indent++;
}
if(isset($rows[$seed]["children"])) {
foreach($rows[$seed]["children"] as $child) {
_phorum_recursive_sort($rows, $threads, $child, $indent);
}
}
}