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Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/gradebook/lib/fe/gradebooktable.class.php

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<?php
/* For licensing terms, see license.txt */
require_once (dirname(__FILE__).'/../../../inc/global.inc.php');
require_once (dirname(__FILE__).'/../be.inc.php');
/**
* Table to display categories, evaluations and links
* @author Stijn Konings
* @author Bert Steppé (refactored, optimised)
*
*/
class GradebookTable extends SortableTable
{
private $currentcat;
private $datagen;
private $evals_links;
/**
* Constructor
*/
function GradebookTable ($currentcat, $cats = array(), $evals = array(), $links = array(), $addparams = null) {
$status=CourseManager::get_user_in_course_status(api_get_user_id(), api_get_course_id());
parent :: __construct ('gradebooklist', null, null, (api_is_allowed_to_create_course()?1:0));
$this->evals_links = array_merge($evals, $links);
$this->currentcat = $currentcat;
$this->datagen = new GradebookDataGenerator($cats, $evals, $links);
if (isset($addparams)) {
$this->set_additional_parameters($addparams);
}
$column= 0;
if ((($status==1 || is_null($status)) && api_is_allowed_to_create_course()) && ($_SESSION['studentview']<>'studentview') || (isset($_GET['isStudentView']) && $_GET['isStudentView']=='false')) {
$this->set_header($column++,'','','width="25px"');
}
$this->set_header($column++, get_lang('Type'),'','width="35px"');
$this->set_header($column++, get_lang('Name'));
$this->set_header($column++, get_lang('Description'));
if (($status==1 || is_null($status)) && api_is_allowed_to_create_course() && $_SESSION['studentview']<>'studentview' || (isset($_GET['isStudentView']) && $_GET['isStudentView']=='false')) {
$this->set_header($column++, get_lang('Weight'),'','width="50px"');
} else {
if (empty($_GET['selectcat']) ) {
$this->set_header($column++, get_lang('Evaluation'));
}
else {
$this->set_header($column++, get_lang('Weight'));
}
}
if (($status==1 || is_null($status)) && api_is_allowed_to_create_course()) {
$this->set_header($column++, get_lang('Date'),true, 'width="100px"');
} elseif (($status<>1) && !api_is_allowed_to_create_course() && (!isset($_GET['selectcat']) || $_GET['selectcat']==0)) {
$this->set_header($column++, get_lang('Date'),true, 'width="100px"');
}
//admins get an edit column
if (($status==1 || is_null($status)) && api_is_allowed_to_create_course() && $_SESSION['studentview']<>'studentview' || (isset($_GET['isStudentView']) && $_GET['isStudentView']=='false')) {
$this->set_header($column++, get_lang('Modify'), false, 'width="100"');
//actions on multiple selected documents
$this->set_form_actions(array (
'deleted' => get_lang('DeleteSelected'),
'setvisible' => get_lang('SetVisible'),
'setinvisible' => get_lang('SetInvisible')));
} else {
if (empty($_GET['selectcat']) && !api_is_allowed_to_create_course()) {
$this->set_header($column++, get_lang('Certificates'),false);
} else {
$evals_links = array_merge($evals, $links);
if(count($evals_links)>0) {
$this->set_header($column++, get_lang('Results'), false);
}
}
}
}
/**
* Function used by SortableTable to get total number of items in the table
*/
function get_total_number_of_items() {
return $this->datagen->get_total_items_count();
}
/**
* Function used by SortableTable to generate the data to display
*/
function get_table_data($from = 1) {
// determine sorting type
$col_adjust = (api_is_allowed_to_create_course() ? 1 : 0);
switch ($this->column) {
// Type
case (0 + $col_adjust) :
$sorting = GradebookDataGenerator :: GDG_SORT_TYPE;
break;
case (1 + $col_adjust) :
$sorting = GradebookDataGenerator :: GDG_SORT_NAME;
break;
case (2 + $col_adjust) :
$sorting = GradebookDataGenerator :: GDG_SORT_DESCRIPTION;
break;
case (3 + $col_adjust) :
$sorting = GradebookDataGenerator :: GDG_SORT_WEIGHT;
break;
case (4 + $col_adjust) :
$sorting = GradebookDataGenerator :: GDG_SORT_DATE;
break;
}
if ($this->direction == 'DESC') {
$sorting |= GradebookDataGenerator :: GDG_SORT_DESC;
} else {
$sorting |= GradebookDataGenerator :: GDG_SORT_ASC;
}
//status de user in course
$user_id=api_get_user_id();
$course_code=api_get_course_id();
$status_user=api_get_status_of_user_in_course ($user_id,$course_code);
$data_array = $this->datagen->get_data($sorting, $from, $this->per_page);
// generate the data to display
$sortable_data = array();
$weight_total_links = 0;
foreach ($data_array as $data) {
$row = array ();
$item = $data[0];
$id = $item->get_id();
if (empty($_GET['selectcat']) ) {
$certificate_min_score = $this->build_certificate_min_score($item);
}
//if the item is invisible, wrap it in a span with class invisible
$invisibility_span_open = (api_is_allowed_to_create_course() && $item->is_visible() == '0') ? '<span class="invisible">' : '';
$invisibility_span_close = (api_is_allowed_to_create_course() && $item->is_visible() == '0') ? '</span>' : '';
if (/*($status_user==1 ||is_null($status_user)) && */api_is_allowed_to_create_course() && ($_SESSION['studentview']<>'studentview') || (isset($_GET['isStudentView']) && $_GET['isStudentView']=='false')) {
$row[] = $this->build_id_column ($item);
}
$row[] = $this->build_type_column ($item);
$row[] = $invisibility_span_open . $this->build_name_link ($item) . $invisibility_span_close;
$row[] = $invisibility_span_open . $data[2] . $invisibility_span_close;
if (($status_user==1 || is_null($status_user)) && api_is_allowed_to_create_course()) {
$row[] = $invisibility_span_open . $data[3] . $invisibility_span_close;
$weight_total_links += intval($data[3]);
} else {
if (empty($_GET['selectcat'])) {
// generating the total score for a course
$stud_id= api_get_user_id();
$cats_course = Category :: load ($id, null, null, null, null, null, false);
$alleval_course= $cats_course[0]->get_evaluations($stud_id,true);
$alllink_course= $cats_course[0]->get_links($stud_id,true);
$evals_links = array_merge($alleval_course, $alllink_course);
$item_value=0;
$item_total=0;
for ($count=0; $count < count($evals_links); $count++) {
$item = $evals_links[$count];
$score = $item->calc_score($stud_id);
$score_denom=($score[1]==0) ? 1 : $score[1];
$item_value+=$score[0]/$score_denom*$item->get_weight();
$item_total+=$item->get_weight();
}
$item_value = number_format($item_value, 2, '.', ' ');
$cattotal = Category :: load($id);
$scoretotal= $cattotal[0]->calc_score(api_get_user_id());
$scoretotal_display = (isset($scoretotal)? round($scoretotal[0],2).'/'.round($scoretotal[1],2).'('.round(($scoretotal[0] / $scoretotal[1]) * 100,2) . ' %)': '-');
$row[] = $item_value;
} else {
$row[] = $invisibility_span_open . $data[3] . $invisibility_span_close;
}
}
$row[] = $invisibility_span_open . str_replace(' ','&nbsp;',$data[4]) . $invisibility_span_close;
//admins get an edit column
if (($status_user==1 || is_null($status_user)) && api_is_allowed_to_create_course() && ($_SESSION['studentview']<>'studentview' || (isset($_GET['isStudentView']) && $_GET['isStudentView']=='false'))) {
$cat=new Category();
$show_message=$cat->show_message_resource_delete($item->get_course_code());
if ($show_message===false) {
$row[] = $this->build_edit_column ($item);
}
} else {
//students get the results and certificates columns
if (count($this->evals_links)>0 && $status_user!=1 ) {
$value_data=isset($data[5]) ? $data[5] : null;
if (!is_null($value_data)) {
$row[] = $value_data;
}
}
//variables load in index.php
global $my_score_in_gradebook, $certificate_min_score, $item_value, $certificate_min_score;
if (empty($_GET['selectcat'])) {
if (isset($certificate_min_score) && (int)$item_value >= (int)$certificate_min_score) {
$certificates = '<a href="'.api_get_path(WEB_CODE_PATH) .'gradebook/'.$_SESSION['gradebook_dest'].'?export_certificate=yes&cat_id='.$id.'" target="_blank">
<img src="'.api_get_path(WEB_CODE_PATH) . 'img/dokeos.gif" /></a>&nbsp;'.$scoretotal_display;
//register gradebook certificate
$current_user_id=api_get_user_id();
register_user_info_about_certificate($id,$current_user_id,$my_score_in_gradebook,api_get_utc_datetime());
} else {
$certificates = '-';
}
//show certificate date
$get_date=get_certificate_date_by_user_id($id,$current_user_id);
if ($get_date=='' || is_null($get_date)) {
$row[4]='-';
} else {
$row[4] = api_convert_and_format_date($get_date);
}
$row[] = $certificates;
} else {
if (isset($certificate_min_score) && (int)$item_value >= (int)$certificate_min_score) {
//register gradebook certificate
$current_user_id=api_get_user_id();
register_user_info_about_certificate($_GET['selectcat'],$current_user_id,$my_score_in_gradebook,api_get_utc_datetime());
}
}
}
$sortable_data[] = $row;
}
// warning messages
if (api_is_allowed_to_edit()) {
if (isset($_GET['selectcat']) && $_GET['selectcat'] > 0 && $_GET['view'] <> 'presence') {
$id_cat = intval($_GET['selectcat']);
$category = Category :: load($id_cat);
$weight_category = intval($this->build_weight($category[0]));
$course_code = $this->build_course_code($category[0]);
if ($weight_total_links > $weight_category) {
$warning_message = get_lang('TotalWeightMustNotBeMoreThan').'&nbsp;'.$weight_category;
Display::display_warning_message($warning_message,false);
}
$content_html=DocumentManager::replace_user_info_into_html($course_code);
$new_content=explode('</head>',$content_html);
if (empty($new_content[0])) {
$warning_message = get_lang('ThereIsNotACertificateAvailableByDefault');
Display::display_warning_message($warning_message);
}
}
if (empty($_GET['selectcat'])) {
$categories = Category :: load();
$weight_categories = $certificate_min_scores = $course_codes = array();
foreach ($categories as $category) {
$course_code_category = $this->build_course_code($category);
if (!empty($course_code)) {
if ($course_code_category == $course_code) {
$weight_categories[] = intval($this->build_weight($category));
$certificate_min_scores[] = intval($this->build_certificate_min_score($category));
$course_codes[] = $course_code;
break;
}
} else {
$weight_categories[] = intval($this->build_weight($category));
$certificate_min_scores[] = intval($this->build_certificate_min_score($category));
$course_codes[] = $course_code_category;
}
}
if (is_array($weight_categories) && is_array($certificate_min_scores) && is_array($course_codes)) {
$warning_message = '';
for ($x = 0; $x<count($weight_categories);$x++) {
$weight_category = intval($weight_categories[$x]);
$certificate_min_score = intval($certificate_min_scores[$x]);
$course_code = $course_codes[$x];
if (empty($certificate_min_score) || ($certificate_min_score > $weight_category)) {
$warning_message .= $course_code .'&nbsp;-&nbsp;'.get_lang('CertificateMinimunScoreIsRequiredAndMustNotBeMoreThan').'&nbsp;'.$weight_category.'<br />';
}
}
if (!empty($warning_message)) {
Display::display_warning_message($warning_message,false);
}
}
}
}
return $sortable_data;
}
// Other functions
private function build_certificate_min_score ($item) {
return $item->get_certificate_min_score();
}
private function build_weight ($item) {
return $item->get_weight();
}
private function build_course_code ($item) {
return $item->get_course_code();
}
private function build_id_column ($item) {
switch ($item->get_item_type()) {
// category
case 'C' :
return 'CATE' . $item->get_id();
// evaluation
case 'E' :
return 'EVAL' . $item->get_id();
// link
case 'L' :
return 'LINK' . $item->get_id();
}
}
private function build_type_column ($item) {
return build_type_icon_tag($item->get_icon_name());
}
private function build_name_link ($item) {
switch ($item->get_item_type()) {
// category
case 'C' :
$prms_uri='?selectcat=' . $item->get_id() . '&amp;view='.Security::remove_XSS($_GET['view']);
if (isset($_GET['isStudentView'])) {
if ( isset($is_student) || ( isset($_SESSION['studentview']) && $_SESSION['studentview']=='studentview') ) {
$prms_uri=$prms_uri.'&amp;isStudentView='.Security::remove_XSS($_GET['isStudentView']);
}
}
$cat=new Category();
$show_message=$cat->show_message_resource_delete($item->get_course_code());
return '&nbsp;<a href="'.Security::remove_XSS($_SESSION['gradebook_dest']).$prms_uri.'">'
. $item->get_name()
. '</a>'
. ($item->is_course() ? ' &nbsp;[' . $item->get_course_code() . ']'.$show_message : '');
// evaluation
case 'E' :
$cat=new Category();
//$dblib=new Database();
$category_id=Security::remove_XSS($_GET['selectcat']);
$course_id=Database::get_course_by_category($category_id);
$show_message=$cat->show_message_resource_delete($course_id);
// course/platform admin can go to the view_results page
if (api_is_allowed_to_create_course() && $show_message===false) {
if ($item->get_type() == 'presence')
{
return '&nbsp;'
. '<a href="gradebook_view_result.php?cidReq='.$course_id.'&amp;selecteval=' . $item->get_id() . '">'
. $item->get_name()
. '</a>';
/*return '&nbsp;'
. '<a href="gradebook_add_result.php?selectcat'.Security::remove_XSS($_GET['selectcat']).'&amp;selecteval=' . $item->get_id() . '">'
. $item->get_name()
. '</a>';
*/
}
else
{
return '&nbsp;'
. '<a href="gradebook_view_result.php?cidReq='.$course_id.'&amp;selecteval=' . $item->get_id() . '">'
. $item->get_name()
. '</a>&nbsp;['.get_lang('Evaluation').']';
}
} elseif (ScoreDisplay :: instance()->is_custom() && $show_message===false) {
// students can go to the statistics page (if custom display enabled)
return '&nbsp;'
. '<a href="gradebook_statistics.php?selecteval=' . $item->get_id() . '">'
. $item->get_name()
. '</a>';
} elseif ($show_message===false && !api_is_allowed_to_create_course() && !(ScoreDisplay :: instance()->is_custom())) {
return '&nbsp;'
. '<a href="gradebook_statistics.php?selecteval=' . $item->get_id() . '">'
. $item->get_name()
. '</a>';
} else {
return '['.get_lang('Evaluation').']&nbsp;&nbsp;'.$item->get_name().$show_message;
}
// link
case 'L' :
$cat=new Category();
//$dblib=new Database();
$category_id=Security::remove_XSS($_GET['selectcat']);
$course_id=Database::get_course_by_category($category_id);
$show_message=$cat->show_message_resource_delete($course_id);
$url = $item->get_link();
if (isset($url) && $show_message===false) {
$text = '&nbsp;<a href="' . $item->get_link() . '">'
. $item->get_name()
. '</a>';
} else {
$text = $item->get_name();
}
$text .= '&nbsp;[' . $item->get_type_name() . ']'.$show_message;
$cc = $this->currentcat->get_course_code();
if (empty($cc)) {
$text .= '&nbsp;[<a href="'.api_get_path(REL_COURSE_PATH).$item->get_course_code().'/">'.$item->get_course_code().'</a>]';
}
return $text;
}
}
private function build_edit_column ($item) {
switch ($item->get_item_type()) {
// category
case 'C' :
return build_edit_icons_cat($item, $this->currentcat->get_id());
// evaluation
case 'E' :
return build_edit_icons_eval($item, $this->currentcat->get_id());
// link
case 'L' :
return build_edit_icons_link($item, $this->currentcat->get_id());
}
}
}