@ -1,14 +1,18 @@
<?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';
@ -77,67 +81,65 @@ class BlockStudentGraph extends Block {
$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 >
';
$html = '< li class = "widget color-orange" id = "intro" >
< div class = "widget-head" >
< h3 > '.get_lang('StudentsInformationsGraph').'< / h3 >
< div class = "widget-actions" > < a onclick = "javascript:if(!confirm(\''.addslashes(api_htmlentities(get_lang('ConfirmYourChoice'),ENT_QUOTES,$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;
$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() {
public function get_students_attendance_graph() {
$students = $this->students;
$attendance = new Attendance();
// get data
$attendances_faults_avg = array();
foreach ($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_info['username']] = $results_faults_avg['porcent'];
} else {
$attendances_faults_avg[$student_info['username']] = 0;
}
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['username']] = $results_faults_avg['porcent'];
} else {
$attendances_faults_avg[$student['username']] = 0;
}
}
}
arsort($attendances_faults_avg);
arsort($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 = new pData;
$data_set->AddPoint($faults,"Promedio");
$data_set->AddPoint($usernames,"Usuario");
$data_set->AddAllSeries();
@ -149,7 +151,8 @@ class BlockStudentGraph extends Block {
$data = $data_set->GetData(); // return $this->DataDescription
if ($cache->IsInCache($graph_id, $data_set->GetData())) {
if ($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 {
@ -163,17 +166,20 @@ class BlockStudentGraph extends Block {
// Initialise the graph
$test = new MyHorBar(400,($height+30));
$test->setFontProperties(api_get_path(LIBRARY_PATH).'pchart/fonts/tahoma.ttf', 8);
$test->setGraphArea(65,30,350,$height);
$test->setGraphArea(100,30,370,$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);
$test->setFixedScale(0,100,5);
$test->drawHorScale($data_set->GetData(),$data_set->GetDataDescription(),SCALE_NORMAL,150,150,150,TRUE,0,2,TRUE);
$test->setColorPalette(0,255,0,0);
//X axis
$test->setFixedScale(0,100,10);
//var_dump($data_set->GetDataDescription());
$test->drawHorScale($data_set->GetData(),$data_set->GetDataDescription(),SCALE_NORMAL,150,150,150,TRUE,0,2,TRUE);
$test->setColorPalette(0,255,0,0);
$test->drawHorGrid(10,TRUE,230,230,230,50);
// Draw the 0 line
//$Test->setFontProperties("Fonts/tahoma.ttf",6);
$test->setFontProperties(api_get_path(LIBRARY_PATH).'pchart/fonts/tahoma.ttf', 6);
$test->drawTreshold(0,143,55,72,TRUE,TRUE);
@ -181,9 +187,11 @@ class BlockStudentGraph extends Block {
$test->drawHorBarGraph($data_set->GetData(),$data_set->GetDataDescription(),FALSE);
$cache->WriteToCache($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)) {
@ -201,8 +209,6 @@ class BlockStudentGraph extends Block {
*/
function get_number_of_students() {
return count($this->students);
}
}
}
?>
Julio Montoya
16 years ago