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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 */
/**
* Script
* @package chamilo.gradebook
*/
/**
* Init
*/
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)
* @package chamilo.gradebook
*/
class GradebookTable extends SortableTable {
private $currentcat;
private $datagen;
private $evals_links;
public $cats;
/**
* Constructor
*/
function GradebookTable ($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_edit()?1:0));
$this->evals_links = array_merge($evals, $links);
$this->currentcat = $currentcat;
$this->cats = $cats;
$this->datagen = new GradebookDataGenerator($cats, $evals, $links);
if (isset($addparams)) {
$this->set_additional_parameters($addparams);
}
$column= 0;
if (api_is_allowed_to_edit(null, true)) {
$this->set_header($column++,'','','width="25px"');
}
$this->set_header($column++, get_lang('Type'),'','width="35px"');
$this->set_header($column++, get_lang('Name'), false);
$this->set_header($column++, get_lang('Description'), false);
if (api_is_allowed_to_edit(null, true)) {
$this->set_header($column++, get_lang('Weight'),'','width="100px"');
} else {
$this->set_header($column++, get_lang('Weight'), false);
$this->set_header($column++, get_lang('Result'), false);
if (!empty($cats)) {
$this->set_header($column++, get_lang('Actions'), false);
}
}
//Desactivates the odd/even alt rows in order that the +/- buttons work see #4047
$this->odd_even_rows_enabled = false;
/*if (api_is_allowed_to_edit(null, true)) {
//$this->set_header($column++, get_lang('CreationDate'),true, 'width="100px"');
} elseif (($status<>1) && !api_is_allowed_to_edit() && (!isset($_GET['selectcat']) || $_GET['selectcat']==0)) {
//$this->set_header($column++, get_lang('Date'),true, 'width="100px"');
}*/
//admins get an edit column
if (api_is_allowed_to_edit(null, true)) {
$this->set_header($column++, get_lang('Modify'), false, 'width="195px"');
//actions on multiple selected documents
$this->set_form_actions(array (
'setvisible' => get_lang('SetVisible'),
'setinvisible' => get_lang('SetInvisible'),
'deleted' => get_lang('DeleteSelected')
));
} else {
if (empty($_GET['selectcat']) && !api_is_allowed_to_edit()) {
$this->set_header($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 get_data() {
return $this->datagen;
}
/**
* 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, $per_page = null, $column = null, $direction = null, $sort = null) {
//variables load in index.php
global $my_score_in_gradebook, $certificate_min_score;
$scoretotal = 0;
// determine sorting type
$col_adjust = (api_is_allowed_to_edit() ? 1 : 0);
// By id
$this->column = 5;
switch ($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;
case (5 + $col_adjust) :
$sorting = GradebookDataGenerator :: GDG_SORT_ID;
break;
}
if ($this->direction == 'DESC') {
$sorting |= GradebookDataGenerator :: GDG_SORT_DESC;
} else {
$sorting |= GradebookDataGenerator :: GDG_SORT_ASC;
}
//status of user in course
$user_id = api_get_user_id();
$course_code = api_get_course_id();
$session_id = api_get_session_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;
$main_categories = array();
$main_cat = Category :: load(null, null, $course_code, null, null, $session_id, false);
$total_categories_weight = 0;
$scoredisplay = ScoreDisplay :: instance();
//Categories
foreach ($data_array as $data) {
// list of items inside the gradebook (exercises, lps, forums, etc)
$row = array();
$item = $item_category = $data[0];
$id = $item->get_id();
//if the item is invisible, wrap it in a span with class invisible
$invisibility_span_open = (api_is_allowed_to_edit() && $item->is_visible() == '0') ? '<span class="invisible">' : '';
$invisibility_span_close = (api_is_allowed_to_edit() && $item->is_visible() == '0') ? '</span>' : '';
if (api_is_allowed_to_edit(null, true)) {
//id
$row[] = $this->build_id_column($item);
}
//Type
$row[] = $this->build_type_column($item);
//Name
if (get_class($item) == 'Category') {
$row[] = $invisibility_span_open.'<h3>'.$item->get_name().'</h3>'.$invisibility_span_close;
$main_categories[$item->get_id()]['name'] = $item->get_name();
} else {
$row[] = $invisibility_span_open.$this->build_name_link($item) . $invisibility_span_close;
$main_categories[$item->get_id()]['name'] = $this->build_name_link($item);
}
$main_categories[$item->get_id()]['weight']= $item->get_weight();
$total_categories_weight += $item->get_weight();
//Description
$row[] = $invisibility_span_open.$data[2].$invisibility_span_close;
//Weight
//$row[] = $invisibility_span_open .Display::tag('h4', $data['3'] .' / '.$this->currentcat->get_weight()).$invisibility_span_close;
//$average = $data['3']/$this->currentcat->get_weight()*100;
$average = $scoredisplay->display_score(array($data['3'], $this->currentcat->get_weight()), SCORE_SIMPLE, SCORE_BOTH, true);
if (api_is_allowed_to_edit(null, true)) {
$row[] = $invisibility_span_open .Display::tag('h4', $average).$invisibility_span_close;
} else {
$row[] = $invisibility_span_open .$average.$invisibility_span_close;
}
$category_weight = $item->get_weight();
if (api_is_allowed_to_edit(null, true)) {
$weight_total_links += $data[3];
} else {
$cattotal = Category :: load($_GET['selectcat']);
$scoretotal = $cattotal[0]->calc_score(api_get_user_id());
$item_value = $scoredisplay->display_score($scoretotal, SCORE_SIMPLE);
}
//Date
//$row[] = $invisibility_span_open.$data[4].$invisibility_span_close;
//Edit (for admins)
if (api_is_allowed_to_edit(null, true)) {
$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[4]) ? $data[4] : null;
if (!is_null($value_data)) {
$row[] = Display::tag('h4', $value_data);
} else {
$row[] = $this->build_edit_column($item);
}
} else {
$score = $item->calc_score(api_get_user_id());
if (!empty($score[1])) {
$complete_score = $scoredisplay->display_score($score, SCORE_DIV_PERCENT);
$score = $score[0]/$score[1]*$item->get_weight();
$score = $scoredisplay->display_score(array($score, null), SCORE_SIMPLE);
$row[] = Display::tip($score, $complete_score);
} else {
$row[] = '-';
}
if (!empty($this->cats)) {
$row[] = $this->build_edit_column($item);
}
}
}
//Category added
$sortable_data[] = $row;
// Loading childrens
if (get_class($item) == 'Category') {
$stud_id = api_get_user_id();
$course_code = api_get_course_id();
$session_id = api_get_session_id();
$parent_id = $item->get_id();
$cats = Category :: load ($parent_id, null, null, null, null, null);
$allcat = $cats[0]->get_subcategories($stud_id, $course_code, $session_id);
$alleval = $cats[0]->get_evaluations($stud_id);
$alllink = $cats[0]->get_links($stud_id);
$sub_cat_info = new GradebookDataGenerator($allcat, $alleval, $alllink);
$data_array = $sub_cat_info->get_data($sorting, $from, $this->per_page);
$total_weight = 0;
//Links
foreach ($data_array as $data) {
$row = array();
$item = $data[0];
$id = $item->get_id();
//if the item is invisible, wrap it in a span with class invisible
$invisibility_span_open = (api_is_allowed_to_edit() && $item->is_visible() == '0') ? '<span class="invisible">' : '';
$invisibility_span_close = (api_is_allowed_to_edit() && $item->is_visible() == '0') ? '</span>' : '';
$main_categories[$parent_id]['children'][$item->get_id()]['name'] = $item->get_name();
$main_categories[$parent_id]['children'][$item->get_id()]['weight'] = $item->get_weight();
if (api_is_allowed_to_edit(null, true)) {
$row[] = $this->build_id_column($item);
}
$row[] = $this->build_type_column($item, array('style' => 'padding-left:5px'));
//Name
$row[] = $invisibility_span_open."&nbsp;&nbsp;&nbsp; ".$this->build_name_link($item) . $invisibility_span_close;
//Description
$row[] = $invisibility_span_open.$data[2].$invisibility_span_close;
//Weight
//$weight = $data[3]/$category_weight*$main_cat[0]->get_weight();
/*$weight = $category_weight * $data[3] / $main_cat[0]->get_weight();
$weight = $main_cat[0]->get_weight()*$weight/$category_weight;*/
$weight = $data[3];
//$extra = " - $data[3] $category_weight -".$main_cat[0]->get_weight();
$total_weight += $weight;
$row[] = $invisibility_span_open.$weight.$extra.$invisibility_span_close;
if (api_is_allowed_to_edit(null, true)) {
//$weight_total_links += intval($data[3]);
} else {
$cattotal = Category :: load($_GET['selectcat']);
$scoretotal = $cattotal[0]->calc_score(api_get_user_id());
$item_value = $scoretotal[0];
}
//Date
//$row[] = $invisibility_span_open.$data[4].$invisibility_span_close;
//Admins get an edit column
if (api_is_allowed_to_edit(null, true)) {
$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
$eval_n_links = array_merge($alleval, $alllink);
if (count($eval_n_links)> 0 && $status_user!=1 ) {
$value_data = isset($data[4]) ? $data[4] : null;
if (!is_null($value_data)) {
$score = $item->calc_score(api_get_user_id());
$new_score = $data[3]* $score[0] / $score[1];
$row[] = Display::tip($new_score, $data[4]);
}
}
if (!empty($cats)) {
$row[] = null;
}
}
$row['child_of'] = $parent_id;
$sortable_data[] = $row;
}
//"Warning row"
if (!empty($data_array)) {
if (api_is_allowed_to_edit()) {
$main_weight = intval($main_cat[0]->get_weight());
if (intval($total_weight) == $main_weight) {
$label = null;
$total = score_badges(array($total_weight.' / '.$main_weight, '100'));
} else {
$label = Display::return_icon('warning.png', sprintf(get_lang('TotalWeightMustBeX'), $main_weight) );
$total = Display::badge($total_weight.' / '.$main_weight, 'warning');
}
$row = array(null, null, "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<h5>".get_lang('SubTotal').'</h5>',null, $total.' '.$label, 'child_of' =>$parent_id);
$sortable_data[] = $row;
}
}
}
} //end looping categories
if (api_is_allowed_to_edit()) {
if (count($main_cat) > 1) {
$main_weight = intval($main_cat[0]->get_weight());
if (intval($total_categories_weight) == $main_weight) {
$total = score_badges(array($total_categories_weight.' / '.$main_weight, '100'));
} else {
$total = Display::badge($total_categories_weight.' / '.$main_weight, 'warning');
}
$row = array(null, null, '<h3>'.get_lang('Total').'</h3>', null, $total);
$sortable_data[] = $row;
}
}
// warning messages
$view = isset($_GET['view']) ? $_GET['view']: null;
if (api_is_allowed_to_edit()) {
if (isset($_GET['selectcat']) && $_GET['selectcat'] > 0 && $view <> 'presence') {
$id_cat = intval($_GET['selectcat']);
$category = Category :: load($id_cat);
//$weight_category = intval($this->build_weight($category[0]));
$weight_category = intval($this->build_weight($category[0]));
$course_code = $this->build_course_code($category[0]);
$weight_total_links = round($weight_total_links);
if ($weight_total_links > $weight_category || $weight_total_links < $weight_category || $weight_total_links > $weight_category) {
$warning_message = sprintf(get_lang('TotalWeightMustBeX'), $weight_category);
$modify_icons = '<a class="right_link" href="gradebook_edit_cat.php?editcat='.$id_cat.'&cidReq='.$course_code.'">'.Display::return_icon('edit.png', $warning_message, array(), ICON_SIZE_SMALL).'</a>';
$warning_message .= $modify_icons;
Display::display_warning_message($warning_message,false);
}
$content_html = DocumentManager::replace_user_info_into_html(api_get_user_id(), $course_code);
if (!empty($content_html)) {
$new_content = explode('</head>',$content_html['content']);
}
if (empty($new_content[0])) {
$warning_message = get_lang('ThereIsNotACertificateAvailableByDefault');
$cert_icon = '<a class="right_link" href="../document/document.php?curdirpath=/certificates&'.$course_code.'&origin=gradebook&selectcat=' . $id_cat . '">'.Display::return_icon('certificate.png', get_lang('AttachCertificate'), array(), ICON_SIZE_SMALL).'</a>';
Display::display_warning_message($warning_message.$cert_icon,false);
}
}
if (empty($_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, $attributes = array()) {
return build_type_icon_tag($item->get_icon_name(), $attributes);
}
/**
*
* Generate name column
* @param unknown_type $item
* @return string
*/
private function build_name_link ($item) {
//$session_id = api_get_session_id();
switch ($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();
$course_id = Database::get_course_by_category($_GET['selectcat']);
$show_message = $cat->show_message_resource_delete($course_id);
// course/platform admin can go to the view_results page
if (api_is_allowed_to_edit() && $show_message===false) {
if ($item->get_type() == 'presence') {
return '&nbsp;'
. '<a href="gradebook_view_result.php?cidReq='.$course_id.'&amp;selecteval=' . $item->get_id() . '">'
. $item->get_name()
. '</a>';
} else {
return '&nbsp;'
. '<a href="gradebook_view_result.php?cidReq='.$course_id.'&amp;selecteval=' . $item->get_id() . '">'
. $item->get_name()
. '</a>&nbsp;'.Display::label(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_edit() && !(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();
$course_id = Database::get_course_by_category($_GET['selectcat']);
$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();
}
$text .= "&nbsp;".Display::label($item->get_type_name(), 'info').$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, $this->currentcat);
// evaluation
case 'E' :
return build_edit_icons_eval($item, $this->currentcat->get_id());
// link
case 'L' :
return build_edit_icons_link($item, $this->currentcat->get_id());
}
}
}