You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
214 lines
7.7 KiB
214 lines
7.7 KiB
<?php
|
|
/* For licensing terms, see /license.txt */
|
|
|
|
/**
|
|
* This file is part of student graph block plugin for dashboard,
|
|
* it should be required inside dashboard controller for showing it into dashboard interface from plattform
|
|
* @package chamilo.dashboard
|
|
* @author Christian Fasanando
|
|
* @author Julio Montoya <gugli100@gmail.com>
|
|
*/
|
|
|
|
/**
|
|
* required files for getting data
|
|
*/
|
|
|
|
require_once api_get_path(LIBRARY_PATH).'usermanager.lib.php';
|
|
require_once api_get_path(LIBRARY_PATH).'course.lib.php';
|
|
require_once api_get_path(LIBRARY_PATH).'tracking.lib.php';
|
|
require_once api_get_path(LIBRARY_PATH).'attendance.lib.php';
|
|
require_once api_get_path(LIBRARY_PATH).'pchart/pData.class.php';
|
|
require_once api_get_path(LIBRARY_PATH).'pchart/pChart.class.php';
|
|
require_once api_get_path(LIBRARY_PATH).'pchart/pCache.class.php';
|
|
require_once api_get_path(LIBRARY_PATH).'pchart/MyHorBar.class.php';
|
|
require_once api_get_path(SYS_CODE_PATH).'gradebook/lib/be/gradebookitem.class.php';
|
|
require_once api_get_path(SYS_CODE_PATH).'gradebook/lib/be/evaluation.class.php';
|
|
require_once api_get_path(SYS_CODE_PATH).'gradebook/lib/be/result.class.php';
|
|
require_once api_get_path(SYS_CODE_PATH).'gradebook/lib/be/linkfactory.class.php';
|
|
require_once api_get_path(SYS_CODE_PATH).'gradebook/lib/be/category.class.php';
|
|
|
|
/**
|
|
* This class is used like controller for student graph block plugin,
|
|
* the class name must be registered inside path.info file (e.g: controller = "BlockStudentGraph"), so dashboard controller will be instantiate it
|
|
* @package chamilo.dashboard
|
|
*/
|
|
class BlockStudentGraph extends Block {
|
|
|
|
private $user_id;
|
|
private $students;
|
|
private $path;
|
|
private $permission = array(DRH);
|
|
|
|
/**
|
|
* Constructor
|
|
*/
|
|
public function __construct ($user_id) {
|
|
$this->user_id = $user_id;
|
|
$this->path = 'block_student_graph';
|
|
if ($this->is_block_visible_for_user($user_id)) {
|
|
/*if (api_is_platform_admin()) {
|
|
$this->students = UserManager::get_user_list(array('status' => STUDENT));
|
|
} else if (api_is_drh()) {*/
|
|
$this->students = UserManager::get_users_followed_by_drh($user_id, STUDENT);
|
|
//}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This method check if a user is allowed to see the block inside dashboard interface
|
|
* @param int User id
|
|
* @return bool Is block visible for user
|
|
*/
|
|
public function is_block_visible_for_user($user_id) {
|
|
$user_info = api_get_user_info($user_id);
|
|
$user_status = $user_info['status'];
|
|
$is_block_visible_for_user = false;
|
|
if (UserManager::is_admin($user_id) || in_array($user_status, $this->permission)) {
|
|
$is_block_visible_for_user = true;
|
|
}
|
|
return $is_block_visible_for_user;
|
|
}
|
|
|
|
/**
|
|
* This method return content html containing information about students and its position for showing it inside dashboard interface
|
|
* it's important to use the name 'get_block' for beeing used from dashboard controller
|
|
* @return array column and content html
|
|
*/
|
|
public function get_block() {
|
|
|
|
global $charset;
|
|
|
|
$column = 1;
|
|
$data = array();
|
|
$students_attendance_graph = $this->get_students_attendance_graph();
|
|
|
|
$html = '<li class="widget color-orange" id="intro">
|
|
<div class="widget-head">
|
|
<h3>'.get_lang('StudentsInformationsGraph').'</h3>
|
|
<div class="widget-actions"><a onclick="javascript:if(!confirm(\''.addslashes(api_htmlentities(get_lang('ConfirmYourChoice'),ENT_QUOTES,$charset)).'\')) return false;" href="index.php?action=disable_block&path='.$this->path.'">'.Display::return_icon('close.gif',get_lang('Close')).'</a></div>
|
|
</div>
|
|
<div class="widget-content" align="center">
|
|
<div style="padding:10px;"><strong>'.get_lang('AttendancesFaults').'</strong></div>
|
|
'.$students_attendance_graph.'
|
|
</div>
|
|
</li>';
|
|
$data['column'] = $column;
|
|
$data['content_html'] = $html;
|
|
return $data;
|
|
}
|
|
|
|
/**
|
|
* This method return a graph containing informations about students evaluation, it's used inside get_block method for showing it inside dashboard interface
|
|
* @return string img html
|
|
*/
|
|
public function get_students_attendance_graph() {
|
|
|
|
$students = $this->students;
|
|
$attendance = new Attendance();
|
|
|
|
// get data
|
|
$attendances_faults_avg = array();
|
|
if (is_array($students) && count($students) > 0) {
|
|
|
|
foreach ($students as $student) {
|
|
$student_id = $student['user_id'];
|
|
//$student_info = api_get_user_info($student_id);
|
|
// get average of faults in attendances by student
|
|
$results_faults_avg = $attendance->get_faults_average_inside_courses($student_id);
|
|
|
|
if (!empty($results_faults_avg)) {
|
|
$attendances_faults_avg[$student['lastname']] = $results_faults_avg['porcent'];
|
|
} else {
|
|
$attendances_faults_avg[$student['lastname']] = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
arsort($attendances_faults_avg);
|
|
$usernames = array_keys($attendances_faults_avg);
|
|
|
|
$faults = array();
|
|
foreach ($usernames as $username) {
|
|
$faults[] = $attendances_faults_avg[$username];
|
|
}
|
|
|
|
$graph = '';
|
|
$img_file = '';
|
|
|
|
if (is_array($usernames) && count($usernames) > 0) {
|
|
|
|
// Defining data
|
|
$data_set = new pData;
|
|
|
|
$data_set->AddPoint($faults,"Promedio");
|
|
$data_set->AddPoint($usernames,"Usuario");
|
|
$data_set->AddAllSeries();
|
|
$data_set->SetAbsciseLabelSerie("Usuario");
|
|
|
|
// prepare cache for saving image
|
|
$graph_id = $this->user_id.'StudentEvaluationGraph'; // the graph id
|
|
$cache = new pCache();
|
|
|
|
$data = $data_set->GetData(); // return $this->DataDescription
|
|
|
|
if ($cache->IsInCache($graph_id, $data_set->GetData())) {
|
|
//if (0) {
|
|
//if we already created the img
|
|
$img_file = $cache->GetHash($graph_id, $data_set->GetData()); // image file with hash
|
|
} else {
|
|
|
|
if (count($usernames) < 5) {
|
|
$height = 200;
|
|
} else {
|
|
$height = (count($usernames)*40);
|
|
}
|
|
|
|
// Initialise the graph
|
|
$test = new MyHorBar(400,($height+30));
|
|
$test->setFontProperties(api_get_path(LIBRARY_PATH).'pchart/fonts/tahoma.ttf', 8);
|
|
$test->setGraphArea(100,30,370,$height);
|
|
|
|
$test->drawFilledRoundedRectangle(7,7,393,$height,5,240,240,240);
|
|
$test->drawRoundedRectangle(5,5,395,$height,5,230,230,230);
|
|
$test->drawGraphArea(255,255,255,TRUE);
|
|
|
|
//X axis
|
|
$test->setFixedScale(0,100,10);
|
|
//var_dump($data_set->GetDataDescription());
|
|
$test->drawHorScale($data_set->GetData(),$data_set->GetDataDescription(),SCALE_ADDALL,150,150,150,TRUE,0,0,TRUE);
|
|
$test->setColorPalette(0,255,0,0);
|
|
$test->drawHorGrid(10,TRUE,230,230,230,50);
|
|
|
|
// Draw the 0 line
|
|
$test->setFontProperties(api_get_path(LIBRARY_PATH).'pchart/fonts/tahoma.ttf', 6);
|
|
$test->drawTreshold(0,143,55,72,TRUE,TRUE);
|
|
|
|
// Draw the bar graph
|
|
$test->drawHorBarGraph($data_set->GetData(),$data_set->GetDataDescription(),TRUE,50);
|
|
|
|
$cache->WriteToCache($graph_id, $data_set->GetData(), $test);
|
|
|
|
ob_start();
|
|
$test->Stroke();
|
|
ob_end_clean();
|
|
|
|
$img_file = $cache->GetHash($graph_id, $data_set->GetData());
|
|
}
|
|
if (!empty($img_file)) {
|
|
$graph = '<img src="'.api_get_path(WEB_ARCHIVE_PATH).$img_file.'">';
|
|
}
|
|
} else {
|
|
$graph = '<p>'.api_convert_encoding(get_lang('GraphicNotAvailable'),'UTF-8').'</p>';
|
|
}
|
|
return $graph;
|
|
}
|
|
|
|
/**
|
|
* Get number of students
|
|
* @return int
|
|
*/
|
|
function get_number_of_students() {
|
|
return count($this->students);
|
|
}
|
|
}
|
|
?>
|