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vpl_submission.class.php
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<?php
// This file is part of VPL for Moodle - http://vpl.dis.ulpgc.es/
//
// VPL for Moodle 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 3 of the License, or
// (at your option) any later version.
//
// VPL for Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with VPL for Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Submission class definition
*
* @package mod_vpl
* @copyright 2012 onwards Juan Carlos Rodríguez-del-Pino
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @author Juan Carlos Rodríguez-del-Pino <jcrodriguez@dis.ulpgc.es>
*/
/**
* Module instance files
* path= vpl_data//vpl_instance#
* Submission info
* path/usersdata/userid#/submissionid#/submittedfiles.lst
* path/usersdata/userid#/submissionid#/submittedfiles/
* path/usersdata/userid#/submissionid#/grade_comments.txt
* path/usersdata/userid#/submissionid#/teachertest.txt
* path/usersdata/userid#/submissionid#/studenttest.txt
*/
defined('MOODLE_INTERNAL') || die();
require_once(dirname(__FILE__).'/vpl.class.php');
require_once(dirname(__FILE__).'/views/sh_factory.class.php');
require_once(dirname(__FILE__).'/views/show_hide_div.class.php');
// Non static due to usort error.
function vpl_compare_filenamebylengh($f1, $f2) {
return strlen( $f2 ) - strlen( $f1 );
}
class mod_vpl_submission {
protected $vpl;
protected $instance;
/**
* Internal var object to submitted file group manager
*
* @var object of file group manager
*/
protected $submittedfgm;
/**
* Constructor
*
* @param mod_vpl $vpl
* @param Object/id $mix submission DB record instance object or record id
*/
public function __construct(mod_vpl $vpl, $mix = false) {
global $DB;
$this->vpl = $vpl;
if (is_object( $mix )) {
$this->instance = $mix;
} else if ($mix === false) {
throw new Exception( 'vpl_submission id error' );
} else {
$this->instance = $DB->get_record( 'vpl_submissions', array (
'id' => $mix
) );
if (! $this->instance) {
throw new Exception( 'vpl_submission id error' );
}
}
$this->submittedfgm = null;
}
/**
* get submission instance
*
* @return object submission instance
*/
public function get_instance() {
return $this->instance;
}
/**
* get vpl object related
*
* @return object vpl
*/
public function get_vpl() {
return $this->vpl;
}
/**
* Return the proper userid
*
* @return int user id
*/
public function get_userid() {
if ($this->vpl->is_group_activity()) {
$users = $this->vpl->get_group_members($this->instance->groupid);
if ( count($users) == 0 ) {
return $this->instance->userid;
}
$user = reset( $users );
return $user->id;
}
return $this->instance->userid;
}
/**
* get path to data submission directory
*
* @return string submission data directory
*/
public function get_data_directory() {
return $this->vpl->get_users_data_directory() . '/' . $this->instance->userid . '/' . $this->instance->id . '/';
}
/**
* get path to files submission directory
*
* @return string files submission directory
*/
public function get_submission_directory() {
return $this->get_data_directory() . 'submittedfiles/';
}
/**
* get absolute path to name of file with list of submitted files
*
* @return string file name
*/
public function get_submissionfilelistname() {
return $this->get_data_directory() . 'submittedfiles.lst';
}
/**
*
* @return object file group manager for submitted files
*/
public function get_submitted_fgm() {
if (! $this->submittedfgm) {
$this->submittedfgm = new file_group_process( $this->get_submission_directory() );
}
return $this->submittedfgm;
}
/**
* get absolute path to the grade comments file name
*
* @return string file name
*/
public function get_gradecommentsfilename() {
return $this->get_data_directory() . 'grade_comments.txt';
}
/**
* get submitted files
*
* @return array of array 'name' and 'data'
*/
public function get_submitted_files() {
$fg = $this->get_submitted_fgm();
return $fg->getallfiles();
}
public function set_submitted_file($files, $othersub = null) {
$fg = $this->get_submitted_fgm();
if ($othersub != null) {
$otherdir = $othersub->get_submission_directory();
$otherfln = $othersub->get_submissionfilelistname();
$fg->addallfiles($files, $otherdir, $otherfln);
} else {
$fg->addallfiles($files);
}
}
public function is_equal_to(&$files, $comment = '') {
if ($this->instance->comments != $comment) {
return false;
}
$subfiles = $this->get_submitted_files();
if (count( $files ) != count( $subfiles )) {
return false;
}
$oldnames = array_keys( $subfiles );
$newnames = array_keys( $files );
foreach ($oldnames as $pos => $name) {
if ( $name != $newnames[$pos] ) {
return false;
}
}
foreach ($files as $name => $data) {
if ( ! isset ($subfiles[$name]) ) {
return false;
}
if ($subfiles[$name] != $data ) {
return false;
}
}
return true;
}
/**
* Delete submitted files and own record
*
* @return void
*
*/
public function delete() {
global $DB;
\mod_vpl\event\submission_deleted::log( $this );
vpl_delete_dir( $this->get_data_directory() );
$DB->delete_records( 'vpl_submissions', array (
'id' => $this->instance->id
) );
}
/**
* Return if submission has been graded
*
* @return bool
*/
public function is_graded() {
return $this->instance->dategraded > 0;
}
/**
* Remove grade
*
* @return true if removed and false if not
*/
public function remove_grade() {
global $CFG;
global $DB;
ignore_user_abort( true );
if ($this->vpl->is_group_activity()) {
$usersid = array ();
foreach ($this->vpl->get_group_members( $this->instance->groupid ) as $user) {
$usersid[] = $user->id;
}
} else {
$usersid = array (
$this->instance->userid
);
}
$grades = array ();
$gradeinfo = array ();
$gradeinfo['userid'] = $this->instance->userid;
$gradeinfo['rawgrade'] = null;
$gradeinfo['feedback'] = '';
foreach ($usersid as $userid) {
$gradeinfo['userid'] = $userid;
$grades[$userid] = $gradeinfo;
}
$vplinstance = $this->vpl->get_instance();
if (vpl_grade_item_update( $vplinstance, $grades ) != GRADE_UPDATE_OK) {
return false;
}
if (! empty( $CFG->enableoutcomes )) {
foreach ($usersid as $userid) {
$gradinginfo = grade_get_grades( $this->vpl->get_course()->id
, 'mod'
, 'vpl'
, $this->vpl->get_instance()->id
, $userid );
if (! empty( $gradinginfo->outcomes )) {
$outcomes = array_fill_keys(array_keys($gradinginfo->outcomes), null);
grade_update_outcomes( 'mod/vpl'
, $this->vpl->get_course()->id
, 'mod'
, VPL
, $this->vpl->get_instance()->id
, $userid, $outcomes );
}
}
}
$this->instance->grader = 0;
$this->instance->dategraded = 0;
$this->instance->grade = null;
$fn = $this->get_gradecommentsfilename();
if (! $DB->update_record( VPL_SUBMISSIONS, $this->instance )) {
throw new moodle_exception( 'error:recordnotupdated', 'mod_vpl', VPL_SUBMISSIONS );
} else {
if (file_exists( $fn )) {
unlink( $fn );
}
}
return true;
}
/**
* Get current grade reduction
*
* @param & $reduction
* value or factor
* @param & $percent bool
* if true then $reduction is factor
* @return float grade reduction
*/
public function grade_reduction(& $reduction, & $percent) {
$reduction = 0;
$percent = false;
$vplinstance = $this->vpl->get_instance();
if (! ($vplinstance->reductionbyevaluation > 0) ||
$vplinstance->freeevaluations >= $this->instance->nevaluations ) {
return;
}
$mul = $this->instance->nevaluations - $vplinstance->freeevaluations;
if ( substr($vplinstance->reductionbyevaluation, -1, 1) == '%' ) {
$reduction = substr($vplinstance->reductionbyevaluation, 0, -1);
$reduction = pow( (100.0 - $reduction) / 100.0, $mul);
$percent = true;
} else {
$reduction = $vplinstance->reductionbyevaluation * $mul;
}
}
/**
* String with the reduction policy
*
* @return string reduction policy in HTML format
*/
public function reduce_grade_string() {
global $OUTPUT;
$vplinstance = $this->vpl->get_instance();
if ( ! ($vplinstance->reductionbyevaluation > 0 ) ) {
return '';
}
$reduction = 0;
$percent = false;
$this->grade_reduction($reduction, $percent);
$value = $reduction;
if ($percent) {
$value = (100 - ( $value * 100 ) );
$value = format_float($value, 2, true, true) . '%';
} else {
$value = format_float($value, 2, true, true);
}
$vplinstance = $this->vpl->get_instance();
$html = $this->vpl->str_restriction('finalreduction', $value);
$html .= ' [' . $this->instance->nevaluations;
$html .= ' / ' . $vplinstance->freeevaluations;
$html .= ' -' . $vplinstance->reductionbyevaluation . ']';
$html .= $OUTPUT->help_icon('finalreduction', VPL);
return $html;
}
/**
* Reduce grade based en number of evaluations
*
* @param float $grade value
* @return float new grade
*/
public function reduce_grade($grade) {
$reduction = 0;
$percent = false;
$this->grade_reduction($reduction, $percent);
if ($reduction > 0) {
if ($percent) {
return $grade * $reduction;
} else {
return $grade - $reduction;
}
}
return $grade;
}
/**
* Set/update grade
*
* @param object $info with grade and comments fields
* @param boolean $automatic if automatic grading (default false)
* @return boolean. true => OK
*/
public function set_grade($info, $automatic = false) {
global $USER;
global $CFG;
global $DB;
ignore_user_abort( true );
$scaleid = $this->vpl->get_grade();
if ($scaleid == 0 && empty( $CFG->enableoutcomes )) { // No scale no outcomes.
return false;
}
if ($automatic) { // Who grade.
$this->instance->grader = 0;
} else {
$this->instance->grader = $USER->id;
}
if ($this->vpl->is_group_activity()) {
$usersid = array ();
foreach ($this->vpl->get_group_members( $this->instance->groupid ) as $user) {
$usersid[] = $user->id;
}
} else {
$usersid = array (
$this->instance->userid
);
}
$this->instance->dategraded = time();
if ($scaleid != 0) {
// Sanitize grade.
if ($scaleid > 0) {
$floatn = unformat_float($info->grade);
if ( $floatn !== false ) {
$info->grade = $floatn;
}
} else {
$info->grade = ( int ) $info->grade;
}
$this->instance->grade = $info->grade;
// Save assessment comments.
$comments = $info->comments;
$fn = $this->get_gradecommentsfilename();
if ($comments) {
vpl_fwrite( $fn, $comments );
} else if (file_exists( $fn )) {
unlink( $fn );
}
// Update gradebook.
$grades = array ();
$gradeinfo = array ();
// If no grade then don't set rawgrade and feedback.
if ( $scaleid != 0 ) {
$gradeinfo['rawgrade'] = $this->reduce_grade($info->grade);
$gradeinfo['feedback'] = $this->result_to_html( $comments, false );
$gradeinfo['feedbackformat'] = FORMAT_HTML;
}
if ($this->instance->grader > 0) { // Don't add grader if automatic.
$gradeinfo['usermodified'] = $this->instance->grader;
} else { // This avoid to use an unexisting userid (0) in the gradebook.
$gradeinfo['usermodified'] = $USER->id;
}
$gradeinfo['datesubmitted'] = $this->instance->datesubmitted;
$gradeinfo['dategraded'] = $this->instance->dategraded;
foreach ($usersid as $userid) {
$gradeinfo['userid'] = $userid;
$grades[$userid] = $gradeinfo;
}
if (vpl_grade_item_update( $this->vpl->get_instance(), $grades ) != GRADE_UPDATE_OK ) {
return false;
}
// The function vpl_grade_item_update say OK but may be overridden.
// Check if grade is overridden by comparing save time.
// Other option is checking the grade_item state.
$vplinstance = $this->vpl->get_instance();
$gradesaved = grade_get_grades($vplinstance->course, 'mod', 'vpl',
$vplinstance->id, $usersid[0]);
try {
$dategraded = $gradesaved->items[0]->grades[$usersid[0]]->dategraded;
} catch (Exception $e) {
return false;
}
if ($dategraded != $gradeinfo['dategraded']) {
return false;
}
}
if (! empty( $CFG->enableoutcomes )) {
foreach ($usersid as $userid) {
$gradinginfo = grade_get_grades( $this->vpl->get_course()->id, 'mod'
, 'vpl', $this->vpl->get_instance()->id, $userid );
if (! empty( $gradinginfo->outcomes )) {
$outcomes = array ();
foreach (array_keys($gradinginfo->outcomes) as $oid) {
$field = 'outcome_grade_' . $oid;
if (isset( $info->$field )) {
$outcomes[$oid] = $info->$field;
} else {
$outcomes[$oid] = null;
}
}
$ret = grade_update_outcomes( 'mod/vpl'
, $this->vpl->get_course()->id
, 'mod'
, VPL
, $this->vpl->get_instance()->id
, $userid, $outcomes );
if ( ! $ret ) {
return false;
}
}
}
}
if (! $DB->update_record( 'vpl_submissions', $this->instance )) {
throw new moodle_exception( 'error:recordnotupdated', 'mod_vpl', VPL_SUBMISSIONS );
}
return true;
}
/**
* Removes in title grade reduction if exists
*
* @param string title
*
* @return string
*/
public static function remove_grade_reduction($title) {
$regexp = '/^(-.*)(\([ \t]*-[ \t]*[0-9]*\.?[0-9]*[ \t]*\)[ \t]*)$/m';
return preg_replace($regexp, '$1', $title);
}
/**
* Get grade comments
*
* @param bool $forceremove True removes grade reduction information from titles
*
* @return string
*/
public function get_grade_comments(bool $forceremove = false) {
$ret = '';
$fn = $this->get_gradecommentsfilename();
if (file_exists( $fn )) {
$ret = file_get_contents( $fn );
// Remove grade reduction information from titles [-*(-#)].
if ( $forceremove || ! $this->vpl->has_capability(VPL_GRADE_CAPABILITY) ) {
$ret = self::remove_grade_reduction($ret);
}
}
return $ret;
}
/**
* is visible this submission instance?
*
* @return bool
*/
public function is_visible() {
global $USER;
$instance = $this->instance;
$ret = $this->vpl->is_visible();
// Submission owner?
$ret = $ret && ($USER->id == $instance->userid);
if ($ret) {
// Is last submission?
$lastsub = $this->vpl->last_user_submission( $instance->userid );
$ret = $ret && ($instance->id == $lastsub->id);
}
$ret = $ret || $this->vpl->has_capability( VPL_GRADE_CAPABILITY );
return $ret;
}
/**
* is possible to grade/update this submission instance
*
* @return bool
*/
public function is_grade_able() {
global $USER;
if ($this->vpl->get_grade() == 0) { // Is grade_able the instance.
return false;
}
$instance = $this->instance;
$ret = $this->vpl->has_capability( VPL_GRADE_CAPABILITY );
// New grade or update if grader.
$ret = $ret && ($instance->dategraded || $USER->id == $instance->grader);
$ret = $ret || $this->vpl->has_capability( VPL_MANAGE_CAPABILITY );
if ($ret) {
// Is last submission?
$lastsub = $this->vpl->last_user_submission( $instance->userid );
$ret = $ret && ($instance->id == $lastsub->id);
}
return $ret;
}
/**
*
* @var array of users(graders) objects
*/
protected static $graders = array ();
/**
* Return user from DB with cache (automatic grader info for $id===0)
*
* @param
* $id
* @return FALSE/user object
*/
public static function get_grader($id) {
global $DB;
if ($id === null) {
$id = 0;
}
if (isset( self::$graders[$id] )) {
$graderuser = self::$graders[$id];
} else {
if ($id <= 0) { // Automatic grading.
$graderuser = new StdClass();
if (function_exists( 'get_all_user_name_fields' )) {
$fields = get_all_user_name_fields();
foreach (array_keys($fields) as $name) {
$graderuser->$name = '';
}
}
$graderuser->firstname = '';
$graderuser->lastname = get_string( 'automaticgrading', VPL );
} else {
$graderuser = $DB->get_record( 'user', array (
'id' => $id
) );
}
self::$graders[$id] = $graderuser;
}
return $graderuser;
}
/**
* Get core grade @parm optional grade to show
*
* @return string
*/
public function get_grade_core($grade = null) {
global $CFG;
$ret = '';
$inst = $this->instance;
if ($inst->dategraded > 0 || $grade != null) {
$vplinstance = $this->vpl->get_instance();
$scaleid = $this->vpl->get_grade();
$options = array ();
if ($scaleid == 0) {
return get_string( 'nograde' );
} else if ($grade == null) {
// If group activity don't retrieve grade from gradebook.
if ( $this->vpl->is_group_activity() ) {
return format_float($this->get_instance()->grade, 2, true, true);
}
if (! function_exists( 'grade_get_grades' )) {
require_once($CFG->libdir . '/gradelib.php');
}
$userid = $this->get_userid();
$grades = grade_get_grades($vplinstance->course, 'mod', 'vpl',
$vplinstance->id, $userid);
try {
$gradeobj = $grades->items[0]->grades[$userid];
$gradestr = $gradeobj->str_long_grade;
if ( $this->vpl->has_capability(VPL_GRADE_CAPABILITY) ) {
$gradestr .= $gradeobj->hidden ? (' <b>' . get_string( 'hidden', 'core_grades' )) . '</b>' : '';
$gradestr .= $gradeobj->locked ? (' <b>' . get_string( 'locked', 'core_grades' )) . '</b>' : '';
$gradestr .= $gradeobj->overridden ? (' <b>' . get_string( 'overridden', 'core_grades' )) . '</b>' : '';
}
return $gradestr;
} catch ( Exception $e ) {
debugging( 'Error getting grade in html format ' . $e->getMessage(), DEBUG_DEVELOPER );
}
}
if ($grade === null) {
return '';
}
if ($scaleid > 0) {
$grade = format_float($this->reduce_grade($grade), 2, true, true);
$ret = $grade . ' / ' . $scaleid;
} else if ($scaleid < 0) {
$scaleid = - $scaleid;
$grade = ( int ) $grade;
if ($scale = $this->vpl->get_scale()) {
$options = array ();
$options[- 1] = get_string( 'nograde' );
$options = $options + make_menu_from_list( $scale->scale );
if (isset( $options[$grade] )) {
$ret = $options[$grade];
}
}
}
}
return $ret;
}
/**
* Return processed comment
*
* @param string $title Title to show
* @param string $comment Content to process
* @param bool $empty Process empty comment
* @return string
*/
public function get_processed_comment($title, $comment, $empty = false) {
GLOBAL $PAGE;
$ret = '';
if (strlen($comment) > 0 || $empty) {
$div = new vpl_hide_show_div( true );
$ret = '<b>' . get_string( $title, VPL ) . $div->generate( true ) . '</b><br>';
$ret .= $div->begin_div( true ) . s($comment) . $div->end_div( true );
$PAGE->requires->js_call_amd('mod_vpl/vplutil', 'addResults', array($div->get_div_id(), false, true));
}
return $ret;
}
/**
* Return sudmission detailed grade part in html format
* @return string
*/
public function get_detailed_grade($process = true) {
GLOBAL $PAGE;
$ret = $this->reduce_grade_string() . '<br>';
$feedback = $this->get_grade_comments($process);
$ret .= $this->get_processed_comment('gradercomments', $feedback);
return $ret;
}
/**
* Print sudmission grade
*
* @param boolean $detailed show detailed grade (default false)
* @param boolean $return. Return string/ false print grade (default false)
* @return string/void
*/
public function print_grade($detailed = false, $return = false) {
global $CFG, $OUTPUT, $PAGE;
$ret = '';
$inst = $this->instance;
if ($inst->dategraded > 0) {
$grader = $this->get_grader( $inst->grader );
$a = new stdClass();
$a->date = userdate( $inst->dategraded );
$a->gradername = fullname( $grader );
$ret .= get_string( 'gradedonby', VPL, $a ) . '<br>';
if ($this->vpl->get_grade() != 0) {
$ret .= $this->vpl->str_restriction('grade', $this->get_grade_core(), false, 'core_grades') . '<br>';
if ($detailed) {
$ret .= $this->get_detailed_grade();
}
}
if (! empty( $CFG->enableoutcomes )) {
// Bypass unknow gradelib not load.
if (! function_exists( 'grade_get_grades' )) {
require_once($CFG->libdir . '/gradelib.php');
}
$gradinginfo = grade_get_grades( $this->vpl->get_course()->id, 'mod'
, 'vpl', $this->vpl->get_instance()->id
, $this->instance->userid );
if (! empty( $gradinginfo->outcomes )) {
$ret .= '<b>' . get_string( 'outcomes', 'core_grades' ) . '</b><br>';
foreach ($gradinginfo->outcomes as $outcome) {
$ret .= s( $outcome->name );
$ret .= ' ' . s( $outcome->grades[$inst->userid]->str_grade ) . '<br>';
}
}
}
}
if ($return) {
return $ret;
} else {
if ($ret) {
echo $OUTPUT->box( $ret );
}
}
}
/**
* Print sudmission info
* @param boolean $autolink. Add links. default = false
*/
public function print_info($autolink = false) {
// TODO improve show submission info.
global $OUTPUT, $DB;
$id = $this->vpl->get_course_module()->id;
$userid = $this->instance->userid;
$submissionid = $this->instance->id;
echo vpl_get_awesome_icon('duedate') . ' ';
if ($autolink) {
$url = vpl_mod_href( 'forms/submissionview.php', 'id', $id, 'userid', $userid, 'submissionid', $submissionid );
echo '<a href="' . $url . '">';
}
$subdate = userdate( $this->instance->datesubmitted );
p( get_string( 'submittedonp', VPL, $subdate ) );
if ($autolink) {
echo '</a>';
}
$url = vpl_mod_href( 'views/downloadsubmission.php', 'id', $id, 'userid', $userid, 'submissionid', $submissionid );
echo ' (' . vpl_get_awesome_icon('download');
echo '<a href="' . $url . '">' . get_string( 'download', VPL );
echo '</a>)';
// Show evaluation link.
if ( ($this->vpl->get_instance()->evaluate && ! $this->is_graded()) ||
$this->vpl->has_capability(VPL_GRADE_CAPABILITY)) {
$url = vpl_mod_href( 'forms/evaluation.php', 'id', $id, 'userid', $userid );
echo ' (' . vpl_get_awesome_icon('evaluate');
echo '<a href="' . $url . '">' . get_string( 'evaluate', VPL );
echo '</a>)';
}
echo '<br>';
if ( $this->vpl->is_group_activity() ) {
$user = $DB->get_record( 'user', array (
'id' => $userid
) );
if ( $user ) {
$userinfo = $OUTPUT->user_picture( $user ) . ' ' . fullname( $user );
echo get_string( 'submittedby', VPL, $userinfo );
}
$users = $this->vpl->get_group_members($this->instance->groupid);
foreach ($users as $u) {
if ( $u->id != $userid ) {
echo '<br>';
break;
}
}
$needbr = false;
foreach ($users as $u) {
if ( $u->id != $userid ) {
echo $OUTPUT->user_picture( $u ) . ' ' . fullname( $u );
$needbr = true;
}
}
if ($needbr) {
echo '<br>';
}
}
$commmets = $this->instance->comments;
if ($commmets > '') {
echo '<br>';
echo '<b>' . get_string( 'comments', VPL ) . '</b>';
echo $OUTPUT->box( nl2br( s( $commmets ) ) );
}
}
/**
* Print compilation and execution
*
* @param bool $return True return string, false print string
* @return string empty or html
*/
public function print_ce($return = false) {
global $OUTPUT, $PAGE;
$ce = $this->getce();
if ($ce['compilation'] === 0) {
return '';
}
$ret = '';
$compilation = '';
$execution = '';
$grade = '';
$this->get_ce_html( $ce, $compilation, $execution, $grade, true, true );
if (strlen( $compilation ) + strlen( $execution ) + strlen( $grade ) > 0) {
$div = new vpl_hide_show_div( ! $this->is_graded() || ! $this->vpl->get_visiblegrade() );
$ret .= '<b>' . get_string( 'automaticevaluation', VPL ) . $div->generate( true ) . '</b>';
$ret .= $div->begin_div(true);
$ret .= $OUTPUT->box_start();
if (strlen( $grade ) > 0) {
$ret .= '<b>' . $grade . '</b><br>';
$ret .= $this->reduce_grade_string() . '<br>';
}
$compilation = $ce['compilation'];
$ret .= $this->get_processed_comment('compilation', $compilation);
if (strlen( $execution ) > 0) {
$proposedcomments = $this->proposedcomment( $ce['execution'] );
$ret .= $this->get_processed_comment( 'comments', $proposedcomments, true);
}
$ret .= $OUTPUT->box_end();
$ret .= $div->end_div(true);
}
if ($return) {
return $ret;
} else {
echo $ret;
return '';
}
}
/**
* Print sudmission
*/
public function print_submission() {
$this->print_info();
if ($this->vpl->has_capability( VPL_GRADE_CAPABILITY )) {
$this->vpl->print_variation( $this->instance->userid );
}
// Not automatic graded show proposed evaluation.
if (! $this->is_graded() || ! $this->vpl->get_visiblegrade() || $this->vpl->has_capability( VPL_GRADE_CAPABILITY )) {
$this->print_CE();
}
$this->get_submitted_fgm()->print_files();
}
const GRADETAG = 'Grade :=>>';
const COMMENTTAG = 'Comment :=>>';
const BEGINCOMMENTTAG = '<|--';
const ENDCOMMENTTAG = '--|>';
public function proposedgrade($text) {
$ret = '';
$nl = vpl_detect_newline( $text );
$lines = explode( $nl, $text );
foreach ($lines as $line) {
if (strpos( $line, self::GRADETAG ) === 0) {
$ret = trim( substr( $line, strlen( self::GRADETAG ) ) );
}
}
return $ret;
}
public function proposedcomment($text) {
$incomment = false;
$ret = '';
$nl = vpl_detect_newline( $text );
$lines = explode( $nl, $text );
foreach ($lines as $line) {
$line = rtrim( $line ); // Remove \r, spaces & tabs.
$tline = trim( $line );
if ($incomment) {
if ($tline == self::ENDCOMMENTTAG) {
$incomment = false;
} else {
$ret .= $line . "\n";
}
} else {
if (strpos( $line, self::COMMENTTAG ) === 0) {
$ret .= substr( $line, strlen( self::COMMENTTAG ) ) . "\n";
} else if ($tline == self::BEGINCOMMENTTAG) {
$incomment = true;
}
}
}
return $ret;
}
/**
* Add link to file line format filename:linenumber:
*
* @param
* text to be converted
* @return string text with links
*/
public function add_filelink($text) {
// Format filename:linenumber.
$ret = '';
$list = $this->get_submitted_fgm()->getFileList();
usort( $list, 'vpl_compare_filenamebylengh' );
$nl = vpl_detect_newline( $text );
$lines = explode( $nl, $text );
// Prepare reg expressions.
$regexps = array ();
foreach ($list as $filename) {
$escapefilename = preg_quote( $filename, "/" );
$regexps[] = '/(.*?)(' . $escapefilename . ')\:( *)([0-9]+)(.*)/';
}
// Process lines.
foreach ($lines as $line) {
foreach ($regexps as $regexp) {
$r = array();
if (preg_match( $regexp, $line, $r )) {
$line = $r[1] . '<a href="#' . $r[2] . '.' . $r[4] . '">' . $r[2] . ':' . $r[3] . $r[4] . '</a>' . $r[5];
break;
}
}
$ret .= $line . "\n";
}
return $ret;
}
/**
* Convert compilation/execution result to HTML
*
* @param
* text to be converted
* @return string HTML
*/
private function get_last_comment($title, &$comment, $dropdown) {
$html = '';
if ($title > '') { // Previous comment.
if ($comment == '' || ! $dropdown) {
$html .= '<b>';
$html .= s( $title );
$html .= '</b><br>';
$html .= $comment;
} else {
$div = new vpl_hide_show_div( false );
$html .= $div->generate( true );
$html .= '<b>';
$html .= s( $title );
$html .= '</b><br>';
$html .= $div->begin_div( true ) . $comment . $div->end_div( true );
}
} else if ($comment > '') { // No title comment.
$html .= $comment;
}
$comment = ''; // Reset comment.
return $html;
}
/**
* Convert compilation/execution result to HTML
*
* @param
* text to be converted
* @return string HTML
*/
public function result_to_html($text, $dropdown = true) {
if ($text == '' || $text == null) {
return '';
}
$html = ''; // Total html output.
$title = ''; // Title of comment.
$comment = ''; // Comment.
$nl = vpl_detect_newline( $text );
$lines = explode( $nl, $text );
$casetoshow = ''; // Pre to show.
foreach ($lines as $line) {
$clean = trim( $line );
// End of case?
if (strlen( $casetoshow ) > 0 && ! (strlen( $clean ) > 0 && $clean[0] == '>')) {
$comment .= '<pre><i>';
$comment .= s( $casetoshow );
$comment .= '</i></pre>';
$casetoshow = '';
}