/**
* Called via pluginfile.php -> question_pluginfile to serve files belonging to
* a question in a question_attempt when that attempt is a preview.
*
* @param object $course course settings object
* @param object $context context object
* @param string $component the name of the component we are serving files for.
* @param string $filearea the name of the file area.
* @param array $args the remaining bits of the file path.
* @param bool $forcedownload whether the user must be forced to download the file.
* @return bool false if file not found, does not return if found - justsend the file
*/
function question_preview_question_pluginfile($course, $context, $component, $filearea, $attemptid, $questionid, $args, $forcedownload)
{
global $USER, $SESSION, $DB, $CFG;
require_once $CFG->dirroot . '/mod/quiz/locallib.php';
if (!($question = $DB->get_record('question', array('id' => $questionid)))) {
return send_file_not_found();
}
if (!question_has_capability_on($question, 'use', $question->category)) {
send_file_not_found();
}
if (!isset($SESSION->quizpreview->states) || $SESSION->quizpreview->questionid != $questionid) {
send_file_not_found();
}
$states = end($SESSION->quizpreview->states);
if (!array_key_exists($question->id, $states)) {
send_file_not_found();
}
$state = $states[$question->id];
// Build fake cmoptions
$quiz = new cmoptions();
$quiz->id = 0;
$quiz->review = get_config('quiz', 'review');
if (empty($course->id)) {
$quiz->course = SITEID;
} else {
$quiz->course = $course->id;
}
$quiz->decimalpoints = get_config('quiz', 'decimalpoints');
$questions[$question->id] = $question;
get_question_options($questions);
// Build fake attempt
$timenow = time();
$attempt = new stdClass();
$attempt->quiz = $quiz->id;
$attempt->userid = $USER->id;
$attempt->attempt = 0;
$attempt->sumgrades = 0;
$attempt->timestart = $timenow;
$attempt->timefinish = 0;
$attempt->timemodified = $timenow;
$attempt->uniqueid = 0;
$attempt->id = 0;
$attempt->layout = $question->id;
$options = quiz_get_renderoptions($quiz, $attempt, $context, $state);
$options->noeditlink = true;
// XXX: mulitichoice type needs quiz id to get maxgrade
$options->quizid = 0;
if (!question_check_file_access($question, $state, $options, $context->id, $component, $filearea, $args, $forcedownload)) {
send_file_not_found();
}
$fs = get_file_storage();
$relativepath = implode('/', $args);
$fullpath = "/{$context->id}/{$component}/{$filearea}/{$relativepath}";
if (!($file = $fs->get_file_by_hash(sha1($fullpath))) or $file->is_directory()) {
send_file_not_found();
}
send_stored_file($file, 0, 0, $forcedownload);
}
print_heading(get_string('noscript', 'quiz'));
?>
</div>
</noscript>
<?php
}
echo '<div>';
/// Print the navigation panel if required
$numpages = quiz_number_of_pages($attempt->layout);
if ($numpages > 1) {
quiz_print_navigation_panel($page, $numpages);
}
/// Print all the questions
$number = quiz_first_questionnumber($attempt->layout, $pagelist);
foreach ($pagequestions as $i) {
$options = quiz_get_renderoptions($quiz->review, $states[$i]);
// Print the question
print_question($questions[$i], $states[$i], $number, $quiz, $options);
save_question_session($questions[$i], $states[$i]);
$number += $questions[$i]->length;
}
/// Print the submit buttons
$strconfirmattempt = addslashes(get_string("confirmclose", "quiz"));
$onclick = "return confirm('{$strconfirmattempt}')";
echo "<div class=\"submitbtns mdl-align\">\n";
echo "<input type=\"submit\" name=\"saveattempt\" value=\"" . get_string("savenosubmit", "quiz") . "\" />\n";
if ($quiz->optionflags & QUESTION_ADAPTIVE) {
echo "<input type=\"submit\" name=\"markall\" value=\"" . get_string("markall", "quiz") . "\" />\n";
}
echo "<input type=\"submit\" name=\"finishattempt\" value=\"" . get_string("finishattempt", "quiz") . "\" onclick=\"{$onclick}\" />\n";
echo "</div>";
print_error('errorprocessingresponses', 'question', $url->out());
}
if (!$curstate->changed) {
// Update the current state rather than creating a new one
$historylength--;
unset($states[$historylength]);
$states = array_values($states);
$curstate =& $states[$historylength][$id];
}
}
} else {
$submitted = false;
$curstate =& $states[$historylength][$id];
}
// TODO: should not use quiz-specific function here
$options = quiz_get_renderoptions($quiz->review, $curstate);
// Fill in the correct responses (unless the question is in readonly mode)
if ($fillcorrect && !$options->readonly) {
$curstate->responses = $QTYPES[$questions[$id]->qtype]->get_correct_responses($questions[$id], $curstate);
}
$strpreview = get_string('preview', 'quiz') . ' ' . format_string($questions[$id]->name);
$questionlist = array($id);
$headtags = get_html_head_contributions($questionlist, $questions, $states[$historylength]);
print_header($strpreview, '', '', '', $headtags);
print_heading($strpreview);
if (!empty($quizid)) {
echo '<p class="quemodname">' . get_string('modulename', 'quiz') . ': ';
p(format_string($quiz->name));
echo "</p>\n";
}
$number = 1;
print_error('errorprocessingresponses', 'question', $url->out());
}
if (!$curstate->changed) {
// Update the current state rather than creating a new one
$historylength--;
unset($states[$historylength]);
$states = array_values($states);
$curstate =& $states[$historylength][$id];
}
}
} else {
$submitted = false;
$curstate =& $states[$historylength][$id];
}
// TODO: should not use quiz-specific function here
$options = quiz_get_renderoptions($quiz, $attempt, $context, $curstate);
$options->noeditlink = true;
// Fill in the correct responses (unless the question is in readonly mode)
if ($fillcorrect && !$options->readonly) {
$curstate->responses = $QTYPES[$questions[$id]->qtype]->get_correct_responses($questions[$id], $curstate);
}
$strpreview = get_string('preview', 'quiz') . ' ' . format_string($questions[$id]->name);
$questionlist = array($id);
$headtags = get_html_head_contributions($questionlist, $questions, $states[$historylength]);
print_header($strpreview, '', '', '', $headtags);
echo $OUTPUT->heading($strpreview);
if (!empty($quizid)) {
echo '<p class="quemodname">' . get_string('modulename', 'quiz') . ': ';
p(format_string($quiz->name));
echo "</p>\n";
}
/**
* Wrapper that calls get_render_options with the appropriate arguments.
*
* @param integer questionid the quetsion to get the render options for.
* @return object the render options for this user on this attempt.
*/
public function get_render_options($questionid)
{
return quiz_get_renderoptions($this->quiz, $this->attempt, $this->context, $this->get_question_state($questionid));
}
/**
* Wrapper that calls get_render_options with the appropriate arguments.
*
* @return object the render options for this user on this attempt.
*/
public function get_render_options($state)
{
return quiz_get_renderoptions($this->quiz, $this->attempt, $this->context, $state);
}
/**
*
* Creates a new PDF with the questions of a quiz's attempt.
*
* @param unknown_type $attempt record with the attempt info
* @param unknown_type $quiz
* @param unknown_type $pdf1
* @param unknown_type $blended
* @param unknown_type $options array with formatting options
* @param unknown_type $pdfFile
* @throws PDFError
*/
function blended_generate_quiz($attempt, $quiz, $pdf1, $blended, $options, $pdfFile)
{
global $QTYPES;
global $CFG;
global $COURSE;
$uniqueid = $attempt->id;
$activity_code = $uniqueid;
$identifyLabel = $options['identifyLabel'];
/*
switch($identifyLabel)
{
case 'id':
$idText= $activity_code;
break;
case 'none': $idText='';
break;
}
*/
$markSize = 3;
$quizname = $quiz->name;
$images->ok_marks = '<img src="' . $CFG->wwwroot . '/mod/blended/images/ok_marks.png" height="10" />';
$images->ko_marks = '<img src="' . $CFG->wwwroot . '/mod/blended/images/ko_marks.png" height="10" />';
// $images->ok_marks='<img src="mod/blended/images/ok_marks.png" height="10" />';
// $images->ko_marks='<img src="mod/blended/images/ko_marks.png" height="10"/>';
$howToMark = get_string('howToMarkInstructions', 'blended', $images);
$instructions = $quiz->intro . ' ' . $howToMark;
$fullname = "nombre persona";
$style = array('position' => 'S', 'border' => false, 'padding' => 1, 'fgcolor' => array(0, 0, 0), 'bgcolor' => false, 'text' => true, 'font' => 'courier', 'fontsize' => $options['fontsize'], 'stretchtext' => 4);
$headeroptions = new stdClass();
$headeroptions->rowHeight = 6;
$headeroptions->logoWidth = 30;
$headeroptions->codebarWidth = 40;
$headeroptions->textStyle = $style;
if (isset($options['logourl'])) {
$headeroptions->logo_url = $options['logourl'];
} else {
$headeroptions->logo_url = $CFG->dirroot . '/mod/blended/pix/UVa_logo.jpg';
}
$headeroptions->cellHtmlText = get_string('modulename', 'quiz') . ':' . $quizname;
//Nombre:
$headeroptions->cellHtmlDate = '';
$headeroptions->cellHtmlUser = get_string('Student', 'blended') . ':';
// Alumno:
$headeroptions->cellCourseName = $COURSE->fullname;
$headeroptions->evaluationmarksize = 3;
// if null evaluation marks are not included in header
$headeroptions->marksName = 'EVAL';
$headeroptions->codebarType = $blended->codebartype;
$headeroptions->identifyLabel = $identifyLabel;
// show readable text for codebars 'none' if not to be shown
$headeroptions->instructions = $instructions;
/**
* Give precedence to the selected number of columns in the $options
*/
if (isset($options['columns'])) {
$numcols = $options['columns'];
} else {
if (!isset($blended->numcols) || $blended->numcols == 0) {
$numcols = 2;
} else {
$numcols = $blended->numcols;
}
}
unset($quiz->questionsinuse);
unset($QTYPES["random"]->catrandoms);
$pagelist = quiz_questions_on_page($attempt->layout, 0);
$pagequestions = explode(',', $pagelist);
$questionlist = quiz_questions_in_quiz($attempt->layout);
if (!$questionlist) {
throw new PDFError("Quiz layout is empty", PDFError::QUIZ_IS_EMPTY);
}
$sql = "SELECT q.*, i.grade AS maxgrade, i.id AS instance" . " FROM {$CFG->prefix}question q," . " {$CFG->prefix}quiz_question_instances i" . " WHERE i.quiz = '{$quiz->id}' AND q.id = i.question" . " AND q.id IN ({$questionlist})";
if (!($questions = get_records_sql($sql))) {
throw new PDFError("Questions not found. ", PDFError::QUESTIONS_NOT_FOUND);
}
//Carga las preguntas con sus opciones
if (!get_question_options($questions)) {
throw new PDFError("Could not load question options", PDFError::COULD_NOT_LOAD_QUESTION_OPTIONS);
}
$quiz_userid = 4;
$acode = $attempt->id;
if (!($attemptnumber = (int) get_field_sql('SELECT MAX(attempt)+1 FROM ' . "{$CFG->prefix}quiz_attempts WHERE quiz = '{$quiz->id}' AND " . "userid = '{$quiz_userid}' AND timefinish > 0 AND preview != 1"))) {
$attemptnumber = 1;
}
$quiz_uniqueid = $attempt->attempt;
$timenow = time();
$quiz_attempt = create_new_attempt($quiz, $attemptnumber, $quiz_userid, $acode, $quiz_uniqueid, $timenow);
// Save the attempt
// if (!insert_record('quiz_attempts', $quiz_attempt)) {
// error('Could not create new attempt');
//}
if (!($states = get_question_states($questions, $quiz, $quiz_attempt, false))) {
throw new PDFError("Could not restore question sessions", PDFError::COULD_NOT_RESTORE_QUESTION_SESSIONS);
}
// TODO save question states someway in question_states
foreach ($questions as $i => $question) {
save_question_session($questions[$i], $states[$i]);
}
// global $QTYPES;
//$question = reset($questions);
//print("state answer question $question->id: ".$QTYPES[$question->qtype]->get_question_options($question));
$quests = new stdClass();
$quests = array();
foreach ($pagequestions as $i) {
$options = quiz_get_renderoptions($quiz->review, $states[$i]);
$quest = blended_get_question_formulation_and_controls($questions[$i], $states[$i], $quiz, $options);
if (isset($quest->answers)) {
foreach ($quest->answers as $c => $v) {
$text = $v->answer;
$quest->answers[$c]->answer = blended_image_path($text);
}
}
$quests[] = $quest;
}
$idText = '';
$original = new stdClass();
$original->question = array();
$question = $quests;
$num = 0;
$a = 0;
//foreach ($questions as $m)//esto es redundante: crea un array igual
foreach ($pagequestions as $i) {
$questions[$i]->questiontext = $quests[$a]->questiontext;
if (isset($questions[$i]->questiontext)) {
$questions[$i]->questiontext = blended_image_path($questions[$i]->questiontext);
}
$question[$a] = $questions[$i];
if ($question[$a]->qtype == "multichoice") {
$question[$a]->anss = array();
foreach ($states[$questions[$i]->id]->options->order as $j => $aid) {
$question[$a]->anss[$j] = $questions[$i]->options->answers[$aid];
$num++;
}
}
$question[$a]->id = "q" . $question[$a]->id;
$a++;
}
foreach ($question as $quest) {
$original->question[] = $quest;
}
/**
* Start PDF printing
*/
// create new PDF document
$pdf = new TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);
blended_new_page($pdf);
$margins = $pdf->getMargins();
$columnsWidth = ($pdf->getPageWidth() - $margins['left'] - $margins['right']) / $numcols;
/**
* Print all questions with TPDF to calculate exact dimensions of each block
*/
$pdf->SetFont($headeroptions->textStyle['font'], '', $headeroptions->textStyle['fontsize']);
for ($key = 0; $key < count($original->question); $key++) {
$dims_borrador = new stdClass();
$dims_borrador->coords = array();
$original->question[$key]->height = blended_print_draft($pdf, $key, $original, $dims_borrador, $columnsWidth, $markSize, $headeroptions);
}
/**
* Print final PDF
*/
// Array to hold sizes of elements
$dimsn = array();
// Print content starting at abscisa $y
$pdf1 = blended_print_quiz($pdf1, $numcols, $columnsWidth, $margins, $original, $dimsn, $markSize, $headeroptions, $uniqueid, $pdfFile);
unset($pdf);
return $pdf1;
}
