File Source for CourseSelectForm.class.php

<?php
// $Id: CourseSelectForm.class.php 15429 2008-05-26 20:34:37Z yannoo $
/*
==============================================================================
Dokeos - elearning and course management software
Copyright (c) 2004-2008 Dokeos SPRL
Copyright (c) 2003 Ghent University (UGent)
Copyright (c) 2001 Universite catholique de Louvain (UCL)
Copyright (c) Bart Mollet (bart.mollet@hogent.be)
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, rue du Corbeau, 108, B-1030 Brussels, Belgium
Mail: info@dokeos.com
==============================================================================
*/
require_once ('Course.class.php');
/**
* Class to show a form to select resources
* @author Bart Mollet <bart.mollet@hogent.be>
* @package dokeos.backup
*/
class CourseSelectForm
{
/**
* Display the form
* @param array $hidden_fiels Hidden fields to add to the form.
*/
function display_form($course, $hidden_fields = null)
{
$resource_titles[RESOURCE_EVENT] = get_lang('Events');
$resource_titles[RESOURCE_ANNOUNCEMENT] = get_lang('Announcements');
$resource_titles[RESOURCE_DOCUMENT] = get_lang('Documents');
$resource_titles[RESOURCE_LINK] = get_lang('Links');
$resource_titles[RESOURCE_COURSEDESCRIPTION] = get_lang('CourseDescription');
$resource_titles[RESOURCE_FORUM] = get_lang('Forums');
$resource_titles[RESOURCE_QUIZ] = get_lang('Tests');
$resource_titles[RESOURCE_LEARNPATH] = get_lang('Learnpaths');
$resource_titles[RESOURCE_SCORM] = 'SCORM';
$resource_titles[RESOURCE_TOOL_INTRO] = get_lang('ToolIntro');
$resource_titles[RESOURCE_SURVEY] = get_lang('Survey');
?>
<script language="JavaScript" type="text/javascript">
function exp(item) {
el = document.getElementById('div_'+item);
if (el.style.display=='none'){
el.style.display='';
document.getElementById('img_'+item).src='../img/1.gif';
}
else{
el.style.display='none';
document.getElementById('img_'+item).src='../img/0.gif';
}
}
function setCheckbox(type,value) {
d = document.course_select_form;
for (i = 0; i < d.elements.length; i++) {
if (d.elements[i].type == "checkbox") {
var name = d.elements[i].attributes.getNamedItem('name').nodeValue;
if( name.indexOf(type) > 0 || type == 'all' ){
d.elements[i].checked = value;
}
}
}
}
function checkLearnPath(message){
d = document.course_select_form;
for (i = 0; i < d.elements.length; i++) {
if (d.elements[i].type == "checkbox") {
var name = d.elements[i].attributes.getNamedItem('name').nodeValue;
if( name.indexOf('learnpath') > 0){
if(d.elements[i].checked == true){
setCheckbox('document',true);
alert(message);
break;
}
}
}
}
}
</script>
<?php
echo '<p>';
echo get_lang('SelectResources');
echo '</p>';
echo '<script language="javascript" src="'.api_get_path(WEB_CODE_PATH).'inc/lib/javascript/upload.js" type="text/javascript"></script>';
echo '<script type="text/javascript">var myUpload = new upload(1000);</script>';
echo '<form method="post" id="upload_form" name="course_select_form" onsubmit="myUpload.start(\'dynamic_div\',\''.api_get_path(WEB_CODE_PATH).'img/progress_bar.gif\',\''.get_lang('PleaseStandBy').'\',\'upload_form\')">';
echo '<input type="hidden" name="action" value="course_select_form"/>';
echo '<input type="hidden" name="course" value="'.base64_encode(serialize($course)).'"/>';
foreach ($course->resources as $type => $resources)
{
if (count($resources) > 0)
{
switch ($type)
{
case RESOURCE_LINKCATEGORY :
case RESOURCE_FORUMCATEGORY :
case RESOURCE_FORUMPOST :
case RESOURCE_FORUMTOPIC :
case RESOURCE_QUIZQUESTION:
case RESOURCE_SURVEYQUESTION:
case RESOURCE_SURVEYINVITATION:
case RESOURCE_SCORM:
break;
default :
echo ' <img id="img_'.$type.'" src="../img/1.gif" onclick="javascript:exp('."'$type'".');" >';
echo ' <b onclick="javascript:exp('."'$type'".');" >'.$resource_titles[$type].'</b><br />';
echo '<div id="div_'.$type.'">';
echo '<blockquote>';
echo "[<a href=\"#\" onclick=\"javascript:setCheckbox('$type',true);\" >".get_lang('All')."</a> - <a href=\"#\" onclick=\"javascript:setCheckbox('$type',false);\" >".get_lang('None')."</a>]";
echo '<br />';
foreach ($resources as $id => $resource)
{
echo '<input type="checkbox" name="resource['.$type.']['.$id.']" id="resource['.$type.']['.$id.']"/>';
echo ' <label for="resource['.$type.']['.$id.']">';
$resource->show();
echo '</label>';
echo '<br />';
echo "\n";
}
echo '</blockquote>';
echo '</div>';
echo '<script language="javascript">exp('."'$type'".')</script>';
}
}
}
if (is_array($hidden_fields))
{
foreach ($hidden_fields as $key => $value)
{
echo "\n";
echo '<input type="hidden" name="'.$key.'" value="'.$value.'"/>';
}
}
echo '<br /><input type="submit" value="'.get_lang('Ok').'" onclick="checkLearnPath(\''.addslashes(get_lang('DocumentsWillBeAddedToo')).'\')"/>';
CourseSelectForm :: display_hidden_quiz_questions($course);
CourseSelectForm :: display_hidden_scorm_directories($course);
echo '</form>';
echo '<div id="dynamic_div" style="display:block;margin-left:40%;margin-top:10px;height:50px;"></div>';
}
function display_hidden_quiz_questions($course)
{
foreach ($course->resources as $type => $resources)
{
if (count($resources) > 0)
{
switch ($type)
{
case RESOURCE_QUIZQUESTION:
foreach ($resources as $id => $resource)
{
echo '<input type="hidden" name="resource['.RESOURCE_QUIZQUESTION.']['.$id.'] id="resource['.RESOURCE_QUIZQUESTION.']['.$id.']" value="On" />';
}
break;
}
}
}
}
function display_hidden_scorm_directories($course)
{
foreach ($course->resources as $type => $resources)
{
if(count($resources) > 0)
{
switch($type)
{
case RESOURCE_SCORM:
foreach ($resources as $id=>$resource)
{
echo '<input type="hidden" name="resource['.RESOURCE_SCORM.']['.$id.'] id="resource['.RESOURCE_SCORM.']['.$id.']" value="On" />';
}
break;
}
}
}
}
/**
* Get the posted course
* @return course The course-object with all resources selected by the user
* in the form given by display_form(...)
*/
function get_posted_course()
{
$course = unserialize(base64_decode($_POST['course']));
foreach ($course->resources as $type => $resources)
{
switch ($type)
{
case RESOURCE_SURVEYQUESTION:
foreach($resources as $id => $obj)
{
if(!in_array($obj->survey_id,array_keys($_POST['resource'][RESOURCE_SURVEY])))
{
unset ($course->resources[$type][$id]);
}
}
break;
case RESOURCE_LINKCATEGORY :
case RESOURCE_FORUMCATEGORY :
case RESOURCE_FORUMPOST :
case RESOURCE_FORUMTOPIC :
case RESOURCE_QUIZQUESTION :
case RESOURCE_DOCUMENT:
// Mark folders to import which are not selected by the user to import,
// but in which a document was selected.
$documents = $_POST['resource'][RESOURCE_DOCUMENT];
foreach($resources as $id => $obj)
{
if( $obj->file_type == 'folder' && ! isset($_POST['resource'][RESOURCE_DOCUMENT][$id]) && is_array($documents))
{
foreach($documents as $id_to_check => $post_value)
{
$obj_to_check = $resources[$id_to_check];
$shared_path_part = substr($obj_to_check->path,0,strlen($obj->path));
if($id_to_check != $id && $obj->path == $shared_path_part)
{
$_POST['resource'][RESOURCE_DOCUMENT][$id] = 1;
break;
}
}
}
}
default :
foreach ($resources as $id => $obj)
{
$resource_is_used_elsewhere = $course->is_linked_resource($obj);
// check if document is in a quiz (audio/video)
if( $type == RESOURCE_DOCUMENT && $course->has_resources(RESOURCE_QUIZ))
{
foreach($course->resources[RESOURCE_QUIZ] as $qid => $quiz)
{
if($quiz->media == $id)
{
$resource_is_used_elsewhere = true;
}
}
}
if (!isset ($_POST['resource'][$type][$id]) && !$resource_is_used_elsewhere)
{
unset ($course->resources[$type][$id]);
}
}
}
}
return $course;
}
}
?>

Source for file CourseSelectForm.class.php