protected function display_content($question, $rowclasses)
{
$text = question_rewrite_question_preview_urls($question->questiontext, $question->id, $question->contextid, 'question', 'questiontext', $question->id, $question->contextid, 'core_question');
$text = format_text($text, $question->questiontextformat, $this->formatoptions);
if ($text == '') {
$text = ' ';
}
echo $text;
}
protected function writequestion($question)
{
global $OUTPUT;
// Turns question into string.
// Question reflects database fields for general question and specific to type.
// If a category switch, just ignore.
if ($question->qtype == 'category') {
return '';
}
// Initial string.
$expout = "";
$id = $question->id;
// Add comment and div tags.
$expout .= "<!-- question: {$id} name: {$question->name} -->\n";
$expout .= "<div class=\"question\">\n";
// Add header.
$expout .= "<h3>{$question->name}</h3>\n";
// Format and add the question text.
$text = question_rewrite_question_preview_urls($question->questiontext, $question->id, $question->contextid, 'question', 'questiontext', $question->id, $question->contextid, 'qformat_xhtml');
$expout .= '<p class="questiontext">' . format_text($text, $question->questiontextformat, array('noclean' => true)) . "</p>\n";
// Selection depends on question type.
switch ($question->qtype) {
case 'truefalse':
$sttrue = get_string('true', 'qtype_truefalse');
$stfalse = get_string('false', 'qtype_truefalse');
$expout .= "<ul class=\"truefalse\">\n";
$expout .= " <li><input name=\"quest_{$id}\" type=\"radio\" value=\"{$sttrue}\" />{$sttrue}</li>\n";
$expout .= " <li><input name=\"quest_{$id}\" type=\"radio\" value=\"{$stfalse}\" />{$stfalse}</li>\n";
$expout .= "</ul>\n";
break;
case 'multichoice':
$expout .= "<ul class=\"multichoice\">\n";
foreach ($question->options->answers as $answer) {
$answertext = $this->repchar($answer->answer);
if ($question->options->single) {
$expout .= " <li><input name=\"quest_{$id}\" type=\"radio\" value=\"" . s($answertext) . "\" />{$answertext}</li>\n";
} else {
$expout .= " <li><input name=\"quest_{$id}\" type=\"checkbox\" value=\"" . s($answertext) . "\" />{$answertext}</li>\n";
}
}
$expout .= "</ul>\n";
break;
case 'shortanswer':
$expout .= html_writer::start_tag('ul', array('class' => 'shortanswer'));
$expout .= html_writer::start_tag('li');
$expout .= html_writer::label(get_string('answer'), 'quest_' . $id, false, array('class' => 'accesshide'));
$expout .= html_writer::empty_tag('input', array('id' => "quest_{$id}", 'name' => "quest_{$id}", 'type' => 'text'));
$expout .= html_writer::end_tag('li');
$expout .= html_writer::end_tag('ul');
break;
case 'numerical':
$expout .= html_writer::start_tag('ul', array('class' => 'numerical'));
$expout .= html_writer::start_tag('li');
$expout .= html_writer::label(get_string('answer'), 'quest_' . $id, false, array('class' => 'accesshide'));
$expout .= html_writer::empty_tag('input', array('id' => "quest_{$id}", 'name' => "quest_{$id}", 'type' => 'text'));
$expout .= html_writer::end_tag('li');
$expout .= html_writer::end_tag('ul');
break;
case 'match':
$expout .= html_writer::start_tag('ul', array('class' => 'match'));
// Build answer list.
$answerlist = array();
foreach ($question->options->subquestions as $subquestion) {
$answerlist[] = $this->repchar($subquestion->answertext);
}
shuffle($answerlist);
// Random display order.
// Build select options.
$selectoptions = array();
foreach ($answerlist as $ans) {
$selectoptions[s($ans)] = s($ans);
}
// Display.
$option = 0;
foreach ($question->options->subquestions as $subquestion) {
// Build drop down for answers.
$questiontext = $this->repchar($subquestion->questiontext);
if ($questiontext != '') {
$dropdown = html_writer::label(get_string('answer', 'qtype_match', $option + 1), 'quest_' . $id . '_' . $option, false, array('class' => 'accesshide'));
$dropdown .= html_writer::select($selectoptions, "quest_{$id}_{$option}", '', false, array('id' => "quest_{$id}_{$option}"));
$expout .= html_writer::tag('li', $questiontext);
$expout .= $dropdown;
$option++;
}
}
$expout .= html_writer::end_tag('ul');
break;
case 'description':
break;
case 'multianswer':
default:
$expout .= "<!-- export of {$question->qtype} type is not supported -->\n";
}
// Close off div.
$expout .= "</div>\n\n\n";
return $expout;
}
/**
* Rewrite the PLUGINFILE urls in the questiontext, when viewing the question
* text outside an attempt (for example, in the question bank listing or in the
* quiz statistics report).
*
* @param string $questiontext the question text.
* @param int $contextid the context the text is being displayed in.
* @param string $component component
* @param array $questionid the question id
* @param array $options e.g. forcedownload. Passed to file_rewrite_pluginfile_urls.
* @return string $questiontext with URLs rewritten.
* @deprecated since Moodle 2.6
*/
function question_rewrite_questiontext_preview_urls($questiontext, $contextid, $component, $questionid, $options = null)
{
global $DB;
debugging('question_rewrite_questiontext_preview_urls has been deprecated. ' . 'Please use question_rewrite_question_preview_urls instead', DEBUG_DEVELOPER);
$questioncontextid = $DB->get_field_sql('
SELECT qc.contextid
FROM {question} q
JOIN {question_categories} qc ON qc.id = q.category
WHERE q.id = :id', array('id' => $questionid), MUST_EXIST);
return question_rewrite_question_preview_urls($questiontext, $questionid, $questioncontextid, 'question', 'questiontext', $questionid, $contextid, $component, $options);
}
/**
* Output question text in a box with urls appropriate for a preview of the question.
*
* @param object $question question data.
* @return string HTML of question text, ready for display.
*/
protected function render_question_text($question)
{
global $OUTPUT;
$text = question_rewrite_question_preview_urls($question->questiontext, $question->id, $question->contextid, 'question', 'questiontext', $question->id, $this->context->id, 'quiz_statistics');
return $OUTPUT->box(format_text($text, $question->questiontextformat, array('noclean' => true, 'para' => false, 'overflowdiv' => true)), 'questiontext boxaligncenter generalbox boxwidthnormal mdl-align');
}
/**
* Prints a preview for a question in an offlinequiz to Stdout.
*
* @param object $question
* @param array $choiceorder
* @param int $number
* @param object $context
*/
function offlinequiz_print_question_preview($question, $choiceorder, $number, $context, $page)
{
global $CFG, $DB;
require_once $CFG->dirroot . '/filter/mathjaxloader/filter.php';
$letterstr = 'abcdefghijklmnopqrstuvwxyz';
echo '<div id="q' . $question->id . '" class="preview">
<div class="question">
<span class="number">';
if ($question->qtype != 'description') {
echo $number . ') ';
}
echo ' </span>';
$text = question_rewrite_question_preview_urls($question->questiontext, $question->id, $question->contextid, 'question', 'questiontext', $question->id, $context->id, 'offlinequiz');
// Remove leading paragraph tags because the cause a line break after the question number.
$text = preg_replace('!^<p>!i', '', $text);
// Filter only for tex formulas.
$texfilter = null;
$mathjaxfilter = null;
$filters = filter_get_active_in_context($context);
if (array_key_exists('mathjaxloader', $filters)) {
$mathjaxfilter = new filter_mathjaxloader($context, array());
$mathjaxfilter->setup($page, $context);
}
if (array_key_exists('tex', $filters)) {
$texfilter = new filter_tex($context, array());
}
if ($mathjaxfilter) {
$text = $mathjaxfilter->filter($text);
if ($question->qtype != 'description') {
foreach ($choiceorder as $key => $answer) {
$question->options->answers[$answer]->answer = $mathjaxfilter->filter($question->options->answers[$answer]->answer);
}
}
} else {
if ($texfilter) {
$text = $texfilter->filter($text);
if ($question->qtype != 'description') {
foreach ($choiceorder as $key => $answer) {
$question->options->answers[$answer]->answer = $texfilter->filter($question->options->answers[$answer]->answer);
}
}
}
}
echo $text;
echo ' </div>';
if ($question->qtype != 'description') {
echo ' <div class="grade">';
echo '(' . get_string('marks', 'quiz') . ': ' . ($question->maxmark + 0) . ')';
echo ' </div>';
foreach ($choiceorder as $key => $answer) {
$answertext = $question->options->answers[$answer]->answer;
// Remove all HTML comments (typically from MS Office).
$answertext = preg_replace("/<!--.*?--\\s*>/ms", "", $answertext);
// Remove all paragraph tags because they mess up the layout.
$answertext = preg_replace("/<p[^>]*>/ms", "", $answertext);
$answertext = preg_replace("/<\\/p[^>]*>/ms", "", $answertext);
echo "<div class=\"answer\">{$letterstr[$key]}) ";
echo $answertext;
echo "</div>";
}
}
echo "</div>";
}
protected function writequestion($question)
{
global $OUTPUT;
// Turns question into string.
// Question reflects database fields for general question and specific to type.
// If a category switch, just ignore.
if ($question->qtype == 'category') {
return '';
}
// Initial string.
$expout = "";
$id = $question->id;
$ishidden = '';
if ($question->hidden) {
$ishidden = 'hiddenquestion';
}
// Add comment and div tags.
$expout .= "<!-- question: {$id} name: {$question->name} -->\n";
$expout .= "<div class=\"question {$ishidden}\">\n";
// Add header.
$expout .= "<h3>{$question->name}</h3>\n";
$defaultmark = preg_replace('/[0|\\.]*$/', '', 'Default value: ' . $question->defaultmark);
$expout .= '<p class="">' . $defaultmark . '</p>';
// Format and add the question text.
$text = question_rewrite_question_preview_urls($question->questiontext, $question->id, $question->contextid, 'question', 'questiontext', $question->id, $question->contextid, 'qformat_xhtml');
$expout .= '<p class="questiontext">' . format_text($text, $question->questiontextformat, array('noclean' => true)) . "</p>\n";
// Selection depends on question type.
switch ($question->qtype) {
case TRUEFALSE:
case 'truefalse':
$expout .= "<ul class=\"truefalse\">\n";
foreach ($question->options->answers as $answer) {
$ans_text = $this->repchar($answer->answer);
if ($answer->fraction == 1) {
$correctnessclass = 'correctness_correct';
} elseif ($answer->fraction > 0) {
$correctnessclass = 'correctness_partial';
} else {
$correctnessclass = 'correctness_incorrect';
}
$expout .= " <li class=\"{$correctnessclass}\">{$ans_text}</li>\n";
}
$expout .= "</ul>\n";
break;
case MULTICHOICE:
case 'multichoice':
$expout .= "<ul class=\"multichoice\">\n";
foreach ($question->options->answers as $answer) {
$ans_text = $this->repchar($answer->answer);
if ($answer->fraction == 1) {
$correctnessclass = 'correctness_correct';
} elseif ($answer->fraction > 0) {
$correctnessclass = 'correctness_partial';
} else {
$correctnessclass = 'correctness_incorrect';
}
$expout .= " <li class=\"{$correctnessclass}\">{$ans_text}</li>\n";
}
$expout .= "</ul>\n";
break;
case SHORTANSWER:
case 'shortanswer':
$expout .= "<ul class=\"shortanswer\">\n";
$expout .= " <li><input name=\"quest_{$id}\" type=\"text\" /></li>\n";
$expout .= "</ul>\n";
break;
case NUMERICAL:
case 'numerical':
$expout .= "<ul class=\"numerical\">\n";
$expout .= " <li><input name=\"quest_{$id}\" type=\"text\" /></li>\n";
$expout .= "</ul>\n";
break;
case MATCH:
case 'match':
$expout .= "<ul class=\"match\">\n";
// Build answer list.
$ans_list = array();
foreach ($question->options->subquestions as $subquestion) {
$ans_list[] = $this->repchar($subquestion->answertext);
}
shuffle($ans_list);
// Random display order.
// Build drop down for answers.
$dropdown = "<select name=\"quest_{$id}\">\n";
foreach ($ans_list as $ans) {
$dropdown .= "<option value=\"" . s($ans) . "\">" . s($ans) . "</option>\n";
}
$dropdown .= "</select>\n";
// Finally display.
foreach ($question->options->subquestions as $subquestion) {
$quest_text = $this->repchar($subquestion->questiontext);
$expout .= " <li>{$quest_text}</li>\n";
$expout .= $dropdown;
}
$expout .= "</ul>\n";
break;
case DESCRIPTION:
case 'description':
break;
case MULTIANSWER:
case 'multianswer':
$expout .= "<!-- CLOZE type is not supported -->\n";
break;
default:
echo $OUTPUT->notification("No handler for qtype {$question->qtype}");
}
// Close off div.
$expout .= "</div>\n\n\n";
return $expout;
}
/**
* @param object $question question data.
* @return string HTML of question text, ready for display.
*/
protected function render_question_text_plain($question, $showimages = true)
{
global $OUTPUT;
if ($showimages) {
$text = question_rewrite_question_preview_urls($question->questiontext, $question->id, $question->contextid, 'question', 'questiontext', $question->id, $this->context->id, 'quiz_statistics');
} else {
$text = $question->questiontext;
}
$questiontext = question_utils::to_plain_text($text, $question->questiontextformat, array('noclean' => true, 'para' => false, 'overflowdiv' => true));
return ' ' . $questiontext;
}
