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renderer.php
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<?php
// This file is part of Moodle - http://moodle.org/
//
// 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.
//
// 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 Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Essay question renderer class.
*
* @package qtype
* @subpackage essayautograde
* @copyright 2018 Gordon Bateson ([email protected])
* @copyright based on work by 2009 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once($CFG->dirroot.'/question/type/essay/renderer.php');
/**
* Generates the output for essayautograde questions.
*
* @copyright 2018 Gordon Bateson ([email protected])
* @copyright based on work by 2009 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class qtype_essayautograde_renderer extends qtype_with_combined_feedback_renderer {
public function formulation_and_controls(question_attempt $qa, question_display_options $options) {
global $PAGE;
$question = $qa->get_question();
$response = $qa->get_last_qt_data();
$question->update_current_response($response, $options);
// format question text
$qtext = $question->format_questiontext($qa);
// cache read-only flag
$readonly = ($options->readonly ? 1 : 0);
// Cache the label separator string, usually a colon ": "
$separator = trim(get_string('labelsep', 'langconfig'));
// Answer field.
$step = $qa->get_last_step_with_qt_var('answer');
if (! $step->has_qt_var('answer') && empty($options->readonly)) {
// Question has never been answered, fill it with response template.
$step = new question_attempt_step(array('answer' => $question->responsetemplate));
}
$renderer = $question->get_format_renderer($this->page);
if (method_exists($renderer, 'set_displayoptions')) {
$renderer->set_displayoptions($options); // Moodle 4.x and later
}
$linecount = $question->responsefieldlines;
if ($readonly) {
$answer = $renderer->response_area_read_only('answer', $qa, $step, $linecount, $options->context);
$answer = preg_replace('/<a[^>]*class="[^">]*autolink[^">]*"[^>]*>(.*?)<\/a>/ius', '$1', $answer);
$answer = preg_replace('/ *min-height: [0-9.]+em;/ius', '$1', $answer);
if ($question->errorcmid) {
$start = strpos($answer, '>');
if ($start === false) {
$start = 0;
} else {
$start += 1;
}
$end = strrpos($answer, '<');
if ($end === false) {
$end = strlen($answer);
}
$currentresponse = $question->get_current_response();
$answer = substr_replace($answer, $currentresponse->errortext, $start, $end - $start);
}
} else {
$answer = $renderer->response_area_input('answer', $qa, $step, $linecount, $options->context);
}
$countitems = $question->get_current_response('count');
$minitems = 0;
$maxitems = 0;
$itemtype = '';
$itemcount =''; // html string for <div class="itemcount" ...>
switch ($question->itemtype) {
case $question->plugin_constant('ITEM_TYPE_CHARS'): $itemtype = 'chars'; break;
case $question->plugin_constant('ITEM_TYPE_WORDS'): $itemtype = 'words'; break;
case $question->plugin_constant('ITEM_TYPE_SENTENCES'): $itemtype = 'sentences'; break;
case $question->plugin_constant('ITEM_TYPE_PARAGRAPHS'): $itemtype = 'paragraphs'; break;
case $question->plugin_constant('ITEM_TYPE_FILES'): $itemtype = 'files'; break;
}
// We only count chars or words, because counting sentences
// and paragraphs is unreliable and not so meaningful.
if ($itemtype == 'chars' || $itemtype == 'words') {
$warning = '';
if ($itemtype == 'words') {
$minitems = (empty($question->minwordlimit) ? 0 : $question->minwordlimit);
$maxitems = (empty($question->maxwordlimit) ? 0 : $question->maxwordlimit);
$params = array('class' => 'warning rounded bg-danger text-light ml-2 px-2 py-1');
switch (true) {
case $maxitems && $countitems && ($maxitems < $countitems):
$warning = ($readonly ? 'maxwordserror' : 'maxwordswarning');
$warning = get_string($warning, $this->plugin_name());
break;
case $minitems && $countitems && ($minitems > $countitems):
$warning = ($readonly ? 'minwordserror' : 'minwordswarning');
$warning = get_string($warning, $this->plugin_name());
break;
default:
$params['class'] .= ' d-none';
}
$warning = ' '.html_writer::tag('span', $warning, $params);
}
// The strings below have to come from the essayautograde plugin.
$plugin = 'qtype_essayautograde';
$label = 'count'.$itemtype.'label';
$label = get_string($label, $plugin).$separator;
$label = html_writer::tag('b', $label, array('class' => 'labeltext'));
$value = html_writer::tag('i', $countitems, array('class' => 'value')).$warning;
$itemcount .= html_writer::tag('p', $label.' '.$value, array('class' => 'countitems my-0'));
if ($minitems) {
$label = 'min'.$itemtype.'label';
$label = get_string($label, $plugin).$separator;
$label = html_writer::tag('b', $label, array('class' => 'labeltext'));
$value = html_writer::tag('i', $minitems, array('class' => 'value'));
$itemcount .= html_writer::tag('p', $label.' '.$value, array('class' => 'minitems my-0'));
}
if ($maxitems) {
$label = 'max'.$itemtype.'label';
$label = get_string($label, $plugin).$separator;
$label = html_writer::tag('b', $label, array('class' => 'labeltext'));
$value = html_writer::tag('i', $maxitems, array('class' => 'value'));
$itemcount .= html_writer::tag('p', $label.' '.$value, array('class' => 'maxitems my-0'));
}
}
$files = '';
if ($question->attachments) {
if ($readonly) {
$files = $this->files_read_only($qa, $options);
} else {
$files = $this->files_input($qa, $options);
}
}
$result = '';
$result .= html_writer::tag('div', $qtext, array('class' => 'qtext'));
$result .= html_writer::start_tag('div', array('class' => 'ablock'));
$result .= html_writer::tag('div', $answer, array('class' => 'answer'));
if ($itemcount) {
// Mimic the id created by "response_area_input()" in "essay/renderer.php".
// The data-xxx values are needed by the javascript in "mobile/mobile.js".
$params = array('id' => 'id_'.$qa->get_qt_field_name('answer_itemcount'),
'class' => 'itemcount rounded border bg-secondary text-dark my-2 px-3 py-2',
'data-itemtype' => $itemtype,
'data-minitems' => $minitems,
'data-maxitems' => $maxitems);
$result .= html_writer::tag('div', $itemcount, $params);
}
if ($qa->get_state() == question_state::$gradedwrong) {
if ($error = $question->get_validation_error($step->get_qt_data())) {
$result .= html_writer::tag('div', $error, array('class' => 'validationerror'));
}
}
$result .= html_writer::tag('div', $files, array('class' => 'attachments'));
$result .= html_writer::end_tag('div'); // div.ablock
$editor = $this->get_editor_type($question);
$sample = question_utils::to_plain_text($question->responsesample,
$question->responsesampleformat,
array('para' => false));
$params = array($readonly, $itemtype, $minitems, $maxitems, $editor, $sample);
$PAGE->requires->js_call_amd('qtype_essayautograde/essayautograde', 'init', $params);
return $result;
}
/**
* Specify the short name for the editor used to input the response.
* This is used to locate where on the page to insert the sample response.
* For Essay questions, the editor type will be "atto", "tinymce" or "textarea".
* For Speak questions, the editor will be one of the speech recorders.
*
* @param object $question
* @return string The short name of the editor.
*/
public function get_editor_type($question) {
// extract editor name from full editor class by remove the trailing"_texteditor"
// e.g. textarea, atto, tinymce
$editor = editors_get_preferred_editor();
return substr(get_class($editor), 0, -11);
}
/**
* Displays any attached files when the question is in read-only mode.
* @param question_attempt $qa the question attempt to display.
* @param question_display_options $options controls what should and should
* not be displayed. Used to get the context.
*/
public function files_read_only(question_attempt $qa, question_display_options $options) {
$output = array();
$files = $qa->get_last_qt_files('attachments', $options->context->id);
foreach ($files as $file) {
$url = $qa->get_response_file_url($file);
$url = preg_replace('/(\?|\&|\&)forcedownload=1/', '', $url);
$mimetype = $file->get_mimetype();
$mimetext = get_mimetype_description($file);
$filetype = substr($mimetype, 0, strpos($mimetype, '/'));
switch ($filetype) {
case 'image':
// Use a Bootstrap class to prevent <img> extending outside the <p> element.
// Same effect as style="max-width: 100%; height: auto; width: auto;"
$params = array('src' => $url,
'alt' => $mimetext,
'class' => 'img-responsive');
$file = html_writer::empty_tag('img', $params);
break;
case 'audio':
$file = html_writer::empty_tag('source', array('src' => $url));
$params = array('controls' => 'true');
$file = html_writer::tag('audio', $file.$url, $params);
break;
case 'video':
$file = html_writer::empty_tag('source', array('src' => $url));
$params = array('controls' => 'true',
'playsinline' => 'true');
$file = html_writer::tag('video', $file.$url, $params);
break;
default:
$icon = file_file_icon($file);
$icon = $this->output->pix_icon($icon, $mimetext, 'moodle', array('class' => 'icon'));
$file = html_writer::link($qa->get_response_file_url($file), $icon.' '.s($file->get_filename()));
}
$params = array('class'=> "read-only-file $filetype",
'style' => 'width: 100%; max-width: 480px;');
$output[] = html_writer::tag('p', $file, $params);
}
return implode($output);
}
/**
* Displays the input control for when the student should upload a single file.
* @param question_attempt $qa the question attempt to display.
* @param question_display_options $options controls what should and should
* not be displayed. Used to get the context.
*/
public function files_input(question_attempt $qa, question_display_options $options) {
global $CFG, $PAGE;
require_once($CFG->dirroot.'/lib/form/filemanager.php');
// cache reference to $question
$question = $qa->get_question();
$name = 'attachments';
$itemid = $qa->prepare_response_files_draft_itemid($name, $options->context->id);
$pickeroptions = (object)array('mainfile' => null,
'maxfiles' => $question->attachments,
'itemid' => $itemid,
'context' => $options->context,
'return_types' => FILE_INTERNAL);
if ($filetypes = $question->filetypeslist) {
$pickeroptions->accepted_types = $filetypes;
}
$filemanager = new form_filemanager($pickeroptions);
$filemanager->options->maxbytes = $qa->get_question()->maxbytes;
$filesrenderer = $this->page->get_renderer('core', 'files');
$params = array('type' => 'hidden',
'value' => $itemid,
'name' => $qa->get_qt_field_name($name));
$output = $filesrenderer->render($filemanager).html_writer::empty_tag('input', $params);
// Remove restrictions (this is done with CSS)
// $output = preg_replace('/(?<=<div class="fp-restrictions">)\s*<span>.*?<\/span>/s', '', $output);
$restrictions = array();
// Append warning about required number of attachments.
if ($question->attachments) {
if ($question->attachments == $question->attachmentsrequired) {
$restrictions[] = get_string('requiredfilecount', $this->plugin_name(), $question->attachments);
} else {
if ($question->attachmentsrequired > 0) {
$restrictions[] = get_string('minimumfilecount', $this->plugin_name(), $question->attachmentsrequired);
}
if ($question->attachments > 0) {
$restrictions[] = get_string('maximumfilecount', $this->plugin_name(), $question->attachments);
}
}
}
list($context, $course, $cm) = get_context_info_array($options->context->id);
if ($course) {
$maxbytes = $course->maxbytes;
} else {
$maxbytes = $PAGE->course->maxbytes;
}
$maxbytes = get_user_max_upload_file_size($context, $CFG->maxbytes, $maxbytes);
if ($maxbytes == USER_CAN_IGNORE_FILE_SIZE_LIMITS) {
// $maxbytes = get_string('unlimited');
} else {
$restrictions[] = get_string('maximumfilesize', $this->plugin_name(), $maxbytes);
}
// Append details of accepted file types.
if ($filetypes) {
if (class_exists('\\core_form\\filetypes_util')) {
// Moodle >= 3.4
$util = new \core_form\filetypes_util();
$filetypes = $util->describe_file_types($filetypes);
$filetypes = $this->render_from_template('core_form/filetypes-descriptions', $filetypes);
$filetypes = get_string('acceptedfiletypes', 'qtype_essay').get_string('labelsep', 'langconfig').$filetypes;
$restrictions[] = $filetypes;
} else {
// Moodle <= 3.3
$filetypes = strtolower($filetypes);
$filetypes = preg_split('/[\s,;:"\']+/', $filetypes, null, PREG_SPLIT_NO_EMPTY);
foreach ($filetypes as $i => $filetype) {
$filetype = str_replace('*.', '', $filetype);
$filetypes[$i] = trim(ltrim($filetype, '.'));
}
$filetypes = array_filter($filetypes);
$filetypes = implode(', ', $filetypes);
$restrictions[] = get_string('acceptedfiletypes', 'qtype_essay').get_string('labelsep', 'langconfig').$filetypes;
}
}
if (count($restrictions)) {
$output .= html_writer::alist($restrictions);
}
return $output;
}
public function manual_comment(question_attempt $qa, question_display_options $options) {
if ($options->manualcomment==question_display_options::EDITABLE) {
$plugin = $this->plugin_name();
$question = $qa->get_question();
$comment = $question->graderinfo;
$comment = $question->format_text($comment, $question->graderinfoformat, $qa, $plugin, 'graderinfo', $question->id);
$comment = html_writer::nonempty_tag('div', $comment, array('class' => 'graderinfo'));
} else {
$comment = ''; // comment is not currently editable
}
return $comment;
}
/**
* Generate the specific feedback. This is feedback that varies according to
* the response the student gave.
*
* @param question_attempt $qa the question attempt to display.
* @return string HTML fragment.
*/
public function specific_feedback(question_attempt $qa) {
global $DB;
$output = '';
// Decide if we should show grade explanation.
if ($step = $qa->get_last_step()) {
// We are only interested in (mangr|graded)(right|partial|wrong)
// For a full list of states, see question/engine/states.php
$show = preg_match('/(right|partial|wrong)$/', $step->get_state());
} else {
$show = false;
}
// If required, show explanation of grade calculation.
if ($show) {
$plugin = 'qtype_essayautograde';
$question = $qa->get_question();
// Get the current response text and information
$currentresponse = $question->get_current_response();
// Specify decision for decimal numbers.
$options = $currentresponse->displayoptions;
if ($options && isset($options->markdp)) {
$precision = $options->markdp;
} else {
$precision = 0;
}
// cache the maximum grade for this question
$maxgrade = $qa->get_max_mark(); // float number
$maxgradetext = $qa->format_max_mark($precision);
$gradeband = array_values($currentresponse->bands); // percents
$gradeband = array_search($currentresponse->completepercent, $gradeband);
$gradeband++;
$itemtype = '';
switch ($question->itemtype) {
case $question->plugin_constant('ITEM_TYPE_CHARS'): $itemtype = get_string('chars', $plugin); break;
case $question->plugin_constant('ITEM_TYPE_WORDS'): $itemtype = get_string('words', $plugin); break;
case $question->plugin_constant('ITEM_TYPE_SENTENCES'): $itemtype = get_string('sentences', $plugin); break;
case $question->plugin_constant('ITEM_TYPE_PARAGRAPHS'): $itemtype = get_string('paragraphs', $plugin); break;
case $question->plugin_constant('ITEM_TYPE_FILES'): $itemtype = get_string('files', $plugin); break;
}
$itemtype = core_text::strtolower($itemtype);
$context = $this->get_best_context($options, $question);
if ($showteacher = has_capability('mod/quiz:grade', $context)) {
$showstudent = false;
} else {
$showstudent = has_capability('mod/quiz:attempt', $context);
}
$show = array(
$this->plugin_constant('SHOW_NONE') => false,
$this->plugin_constant('SHOW_STUDENTS_ONLY') => $showstudent,
$this->plugin_constant('SHOW_TEACHERS_ONLY') => $showteacher,
$this->plugin_constant('SHOW_TEACHERS_AND_STUDENTS') => ($showstudent || $showteacher),
);
if ($question->itemtype == $question->plugin_constant('ITEM_TYPE_FILES')) {
$showgradebands = false;
$showtargetphrases = false;
$showtextstatitems = preg_match('/\bfiles\b/', $question->textstatitems);
} else {
$showgradebands = ($show[$question->showgradebands] && count($currentresponse->bands));
$showtargetphrases = $show[$question->showtargetphrases] && count($currentresponse->phrases);
$showtextstatitems = ($show[$question->showtextstats] && strlen(trim($question->textstatitems)));
}
if ($showtextstatitems) {
$strman = get_string_manager();
$table = new html_table();
$table->attributes['class'] = 'generaltable essayautograde review stats';
$names = explode(',', $question->textstatitems);
$names = array_filter($names);
foreach ($names as $name) {
$label = get_string($name, $plugin);
if ($strman->string_exists($name.'_help', $plugin)) {
$label .= $this->help_icon($name, $plugin);
}
if (isset($currentresponse->stats->$name)) {
$value = $currentresponse->stats->$name;
} else {
$value = '';
}
if (is_int($value)) {
$value = number_format($value);
}
$cells = array(new html_table_cell($label),
new html_table_cell($value));
$table->data[] = new html_table_row($cells);
}
$output .= html_writer::tag('h5', get_string('textstatistics', $plugin));
$output .= html_writer::table($table);
}
// show explanation of calculation, if required
if ($show[$question->showcalculation]) {
$details = array();
// Partial grade bands.
if ($currentresponse->completecount) {
$a = (object)array('percent' => $currentresponse->completepercent,
'count' => $currentresponse->completecount,
'gradeband' => $gradeband,
'itemtype' => $itemtype);
if ($showgradebands) {
$name = 'explanationcompleteband';
} else {
$name = 'explanationfirstitems';
}
$details[] = $this->get_calculation_detail($name, $plugin, $a);
}
// Partial grade bands.
if ($currentresponse->partialcount) {
$a = (object)array('percent' => $currentresponse->partialpercent,
'count' => $currentresponse->partialcount,
'gradeband' => ($gradeband + 1),
'itemtype' => $itemtype);
if ($showgradebands) {
$name = 'explanationpartialband';
} else if (count($details)) {
$name = 'explanationremainingitems';
} else if ($currentresponse->partialpercent) {
$name = 'explanationitems';
} else {
$name = '';
}
if ($name) {
$details[] = $this->get_calculation_detail($name, $plugin, $a);
}
}
// Target phrases.
foreach ($currentresponse->myphrases as $myphrase => $phrase) {
$grade = $currentresponse->phrases[$phrase];
$a = (object)array('percent' => $grade.'%',
'phrase' => $myphrase);
$details[] = $this->get_calculation_detail('explanationtargetphrase', $plugin, $a);
}
// Common errors.
foreach ($currentresponse->errors as $error => $link) {
$a = (object)array('percent' => $question->errorpercent,
'error' => $error);
$details[] = $this->get_calculation_detail('explanationcommonerror', $plugin, $a, '- ');
}
// Files.
if ($question->itemtype == $question->plugin_constant('ITEM_TYPE_FILES')) {
$a = (object)array('percent' => $currentresponse->rawpercent,
'filecount' => $currentresponse->count,
'itemcount' => $question->itemcount);
$details[] = get_string('explanationfiles', $plugin, $a);
}
// Plagiarism links, if any.
foreach ($currentresponse->plagiarism as $plagiarism) {
$details[] = html_writer::tag('p', $plagiarism);
}
if (empty($details) && $currentresponse->count) {
$a = (object)array('count' => $currentresponse->count,
'itemtype' => $itemtype);
$details[] = $this->get_calculation_detail('explanationnotenough', $plugin, $a);
}
if ($count = count($details)) {
$details = implode(html_writer::empty_tag('br'), $details);
if ($count >= 2) {
$details = "($details)";
}
$step = $qa->get_last_step_with_behaviour_var('finish');
if ($step->get_id()) {
$rawgrade = format_float($step->get_fraction() * $maxgrade, $precision);
} else {
$rawgrade = $qa->format_mark($precision);
}
$rawpercent = $currentresponse->rawpercent;
$autopercent = $currentresponse->autopercent;
$autograde = $currentresponse->autofraction * $maxgrade;
if ($trypenalty = $question->penalty) {
// A "try" is actually a click of the "Check" button
// in "interactive" mode with a less-than-perfect response.
// A "Check" of a correct response does not count as a "try".
$trycount = $qa->get_step(0)->get_behaviour_var('_triesleft');
$trycount -= $qa->get_last_behaviour_var('_triesleft');
$penalty = max(0, $trypenalty * $trycount);
} else {
$trypenalty = 0;
$trycount = 0;
$penalty = 0;
}
if ($penalty) {
$penaltygrade = format_float($penalty * $maxgrade, $precision);
$penaltypercent = ($penalty * 100);
if (fmod($penaltypercent, 1)==0) {
$penaltypercent = intval($penaltypercent);
} else {
$penaltypercent = format_float($penaltypercent, $precision);
}
$penaltytext = $penaltypercent.'%';
if ($trycount > 1) {
$trypenaltypercent = ($trypenalty * 100);
if (fmod($trypenaltypercent, 1)==0) {
$trypenaltypercent = intval($trypenaltypercent);
} else {
$trypenaltypercent = format_float($trypenaltypercent, $precision);
}
$penaltytext .= ' = ('.$trycount.' x '.$trypenaltypercent.'%)';
}
} else {
$penaltytext = '';
$penaltygrade = 0;
$penaltypercent = 0;
}
$finalgrade = max(0.0, $autograde - $penaltygrade);
$finalpercent = max(0, $autopercent - $penaltypercent);
// numeric values used by explanation strings
$a = (object)array('maxgrade' => $maxgradetext,
'rawpercent' => $rawpercent,
'autopercent' => $autopercent,
'penaltytext' => $penaltytext,
'finalgrade' => format_float($finalgrade, $precision),
'finalpercent' => $finalpercent,
'details' => $details);
$output .= html_writer::tag('h5', get_string('gradecalculation', $plugin));
$output .= html_writer::tag('p', get_string('explanationmaxgrade', $plugin, $a));
$output .= html_writer::tag('p', get_string('explanationrawpercent', $plugin, $a));
if ($rawpercent != $autopercent) {
$output .= html_writer::tag('p', get_string('explanationautopercent', $plugin, $a));
}
if ($penalty) {
$output .= html_writer::tag('p', get_string('explanationpenalty', $plugin, $a));
}
$output .= html_writer::tag('p', get_string('explanationgrade', $plugin, $a));
// add details of most recent manual override, if any
$step = $qa->get_last_step_with_behaviour_var('mark');
if ($step->get_id()) {
$a = (object)array(
'datetime' => userdate($step->get_timecreated(), get_string('explanationdatetime', $plugin)),
'manualgrade' => format_float($step->get_behaviour_var('mark'), $precision),
);
$output .= html_writer::tag('p', get_string('explanationoverride', $plugin, $a));
// add manual override details
$details = array();
// add manual comment, if any
$comment = $step->get_behaviour_var('comment');
$commentformat = $step->get_behaviour_var('commentformat');
$commentoptions = (object)array('noclean' => true, 'para' => false);
if (is_null($comment)) {
list($comment, $commentformat) = $qa->get_manual_comment();
}
if ($comment = format_text($comment, $commentformat, $commentoptions)) {
$comment = shorten_text(html_to_text($comment), 80);
$comment = html_writer::tag('i', $comment);
$header = get_string('comment', 'quiz');
$details[] = html_writer::tag('b', $header.': ').$comment;
}
// add manual grader (user who manually graded the essay) info, if available
//if ($grader = $step->get_user_id()) {
// if ($grader = $DB->get_record('user', array('id' => $grader))) {
// $grader = fullname($grader);
// $header = get_string('grader', 'gradereport_history');
// $details[] = html_writer::tag('b', $header.': ').$grader;
// }
//}
if (count($details)) {
$output .= html_writer::alist($details);
}
}
}
}
// Show grade bands, if required.
if ($showgradebands) {
$details = array();
$i = 1; // grade band index
foreach ($currentresponse->bands as $count => $grade) {
$detail = get_string('gradeband', $plugin);
$detail = str_replace('{no}', $i++, $detail);
$details[] = html_writer::tag('dt', $detail);
$a = (object)array('count' => $count, 'percent' => $grade.'%');
$detail = get_string('bandtext', $plugin, $a);
$details[] = html_writer::tag('dd', $detail);
}
$output .= html_writer::tag('h5', get_string('gradebands', $plugin));
$output .= html_writer::tag('dl', implode('', $details), array('class' => 'gradebands'));
}
// Show target phrases, if required.
if ($showtargetphrases) {
$details = array();
foreach ($currentresponse->phrases as $match => $grade) {
$a = (object)[
'phrase' => '"'.$match.'"',
'percent' => $grade.'%',
];
$details[] = get_string('phrasetext', $plugin, $a);
}
$output .= html_writer::tag('h5', get_string('targetphrases', $plugin));
$output .= html_writer::alist($details);
}
// Show actionable feedback, if required.
if ($show[$question->showfeedback]) {
$hints = array();
$output .= html_writer::tag('h5', get_string('feedback', $plugin));
$output .= html_writer::start_tag('table', array('class' => 'generaltable essayautograde review feedback'));
// Overall grade
$step = $qa->get_last_step_with_behaviour_var('finish');
if ($step->get_id()) {
$rawgrade = format_float($step->get_fraction() * $maxgrade, $precision);
} else {
$rawgrade = $qa->format_mark($precision);
}
$maxgrade = $qa->format_max_mark($precision);
$output .= html_writer::start_tag('tr');
$output .= html_writer::tag('th', get_string('gradeforthisquestion', $plugin), array('class' => 'cell c0'));
$output .= html_writer::tag('td', html_writer::tag('b', $rawgrade.' / '.$maxgradetext), array('class' => 'cell c1'));
$output .= html_writer::end_tag('tr');
// Item count
if ($maxcount = $question->itemcount) {
$count = $currentresponse->count;
switch ($question->itemtype) {
case $question->plugin_constant('ITEM_TYPE_CHARS'):
$type = 'chars';
$hint = 'feedbackhintchars';
break;
case $question->plugin_constant('ITEM_TYPE_WORDS'):
$type = 'words';
$hint = 'feedbackhintwords';
break;
case $question->plugin_constant('ITEM_TYPE_SENTENCES'):
$type = 'sentences';
$hint = 'feedbackhintsentences';
break;
case $question->plugin_constant('ITEM_TYPE_PARAGRAPHS'):
$type = 'paragraphs';
$hint = 'feedbackhintparagraphs';
break;
case $question->plugin_constant('ITEM_TYPE_FILES'):
$type = 'files';
$hint = 'feedbackhintfiles';
break;
default:
// shouldn't happen !!
$type = $question->itemtype;
$hint = '';
}
$output .= html_writer::start_tag('tr', array('class' => 'items'));
$output .= html_writer::tag('th', get_string($type, $plugin), array('class' => 'cell c0'));
$output .= html_writer::tag('td', $count.' / '.$maxcount, array('class' => 'cell c1'));
$output .= html_writer::end_tag('tr');
if ($count < $maxcount && $hint) {
$hints[$type] = get_string($hint, $plugin);
}
}
// Target phrases
if ($showtargetphrases) {
$maxcount = count($currentresponse->phrases);
} else {
$maxcount = 0;
}
if ($maxcount) {
$count = count($currentresponse->myphrases);
if ($count < $maxcount) {
$hints['phrases'] = get_string('feedbackhintphrases', $plugin);
}
if ($currentresponse->breaks) {
$hints['breaks'] = get_string('feedbackhintbreaks', $plugin);
}
$output .= html_writer::start_tag('tr', array('class' => 'phrases'));
$output .= html_writer::tag('th', get_string('targetphrases', $plugin), array('class' => 'cell c0'));
$output .= html_writer::tag('td', $count.' / '.$maxcount, array('class' => 'cell c1'));
$output .= html_writer::end_tag('tr');
$i = 0;
foreach ($currentresponse->phrases as $phrase => $grade) {
if (in_array($phrase, $currentresponse->myphrases)) {
$status = 'present';
$img = $this->feedback_image(100.00);
} else {
$status = 'missing';
$img = $this->feedback_image(0.00);
}
$phrase = html_writer::alist(array($phrase), array('start' => (++$i)), 'ol');
$status = html_writer::tag('span', $img.get_string($status, $plugin), array('class' => $status));
$output .= html_writer::start_tag('tr', array('class' => 'phrase'));
$output .= html_writer::tag('td', $phrase, array('class' => 'cell c0'));
$output .= html_writer::tag('td', $status, array('class' => 'cell c1'));
$output .= html_writer::end_tag('tr');
}
}
// Errors
if ($maxcount = count($currentresponse->errors)) {
$hints['errors'] = get_string('feedbackhinterrors', $plugin);
$output .= html_writer::start_tag('tr', array('class' => 'errors'));
$output .= html_writer::tag('th', get_string('commonerrors', $plugin), array('class' => 'cell c0'));
$output .= html_writer::tag('td', $maxcount, array('class' => 'cell c1'));
$output .= html_writer::end_tag('tr');
$i = 0;
foreach ($currentresponse->errors as $error => $link) {
$status = $this->feedback_image(0.00).get_string('commonerror', $plugin);
$status = html_writer::tag('span', $status, array('class' => 'error'));
if ($maxcount == 1) {
$error = $link;
} else if ($maxcount < 10) {
$error = html_writer::alist(array($link));
} else {
$error = html_writer::alist(array($link), array('start' => (++$i)), 'ol');
}
$output .= html_writer::start_tag('tr', array('class' => 'commonerror'));
$output .= html_writer::tag('td', $error, array('class' => 'cell c0'));
$output .= html_writer::tag('td', $status, array('class' => 'cell c1'));
$output .= html_writer::end_tag('tr');
}
}
// Hints
if (count($hints)) {
$name = 'rewriteresubmit';
$hint = array();
foreach (array_keys($hints) as $type) {
$hint[] = get_string($name.$type, $plugin);
}
if ($hint = implode(get_string($name.'join', $plugin), $hint)) {
$hints[$name] = ucfirst($hint).get_string($name, $plugin);
}
$output .= html_writer::start_tag('tr');
$output .= html_writer::tag('th', get_string('feedbackhints', $plugin), array('class' => 'cell c0'));
$output .= html_writer::tag('td', html_writer::alist($hints), array('class' => 'cell c1'));
$output .= html_writer::end_tag('tr');
}
$output .= html_writer::end_tag('table');
}
}
if ($feedback = $this->combined_feedback($qa)) {
$output .= html_writer::tag('h5', get_string('generalfeedback', 'question'));
$output .= html_writer::tag('p', $feedback);
}
return $output;
}
/**
* Find the best context for detecting capabilities
* for a teacher "mod_quiz:/grade" or student "mod_quiz:attempt"
*
* @param array $options of display options for this question
* @param object $question
* @return object of the best context for checking capabilities
*/
protected function get_best_context($options, $question) {
global $PAGE;
// These are the context levels that we are interested in.
$levels = [CONTEXT_COURSE, CONTEXT_MODULE];
if ($options && $options->context) {
if (in_array($options->context->contextlevel, $levels)) {
return $options->context;
}
}
if ($PAGE && $PAGE->context) {
if (in_array($PAGE->context->contextlevel, $levels)) {
return $PAGE->context;
}
}
if ($question && $question->contextid) {
$context = context::instance_by_id($question->contextid);
if (in_array($context->contextlevel, $levels)) {
return $context;
}
}
// Otherwise we have another kind of context, i.e.
// CONTEXT_USER, CONTEXT_COURSECAT, CONTEXT_SYSTEM.
if ($options && $options->context) {
return $options->context;
}
if ($PAGE && $PAGE->context) {
return $PAGE->context;
}
return null; // Shouldn't happen !!
}
protected function get_calculation_detail($name, $plugin, $a, $prefix='+ ') {
static $addprefix = false;
if ($addprefix==false) {
$addprefix = true;
$prefix = '';
}
return $prefix.'('.get_string($name, $plugin, $a).')';
}
/**
* Generate an automatic description of the correct response to this question.
*
* This method is called when either of the following conditions are met:
* (1) "Show right answer" is checked in Quiz settings during live quiz
* (2) "Right answer" is set to "Shown" when previewing a questions
*
* @param question_attempt $qa the question attempt to display.
* @return string HTML fragment.
*/
public function correct_response(question_attempt $qa) {
global $DB;
$output = '';
$plugin = 'qtype_essayautograde';
$question = $qa->get_question();
$show = false;
if (empty($question->showfeedback)) {
if ($step = $qa->get_last_step()) {
$show = preg_match('/(partial|wrong)$/', $step->get_state());
}
}
if ($show) {
// cache plugin constants
$ANSWER_TYPE_BAND = $this->plugin_constant('ANSWER_TYPE_BAND');
$ANSWER_TYPE_PHRASE = $this->plugin_constant('ANSWER_TYPE_PHRASE');
$bands = array();
$phrases = array();
// we only want the grade band for the highest percent (usually 100%)
$percent = 0;
$answers = $question->get_answers();
foreach ($answers as $answer) {
switch ($answer->type) {
case $ANSWER_TYPE_BAND:
if ($percent <= $answer->answerformat) {
$percent = $answer->answerformat;
$a = (object)[
'count' => $answer->answer,
'percent' => $answer->answerformat.'%'
];
$bands = array(get_string('bandtext', $plugin, $a));
}
break;
case $ANSWER_TYPE_PHRASE:
$a = (object)[
'phrase' => $answer->feedback,
'percent' => round($answer->realpercent, 2).'%',
];
$phrases[] = get_string('phrasetext', $plugin, $a);
break;
}
}
if (count($bands)) {
$output .= html_writer::alist($bands, array('class' => 'gradebands'));
}
if (count($phrases)) {
$output .= html_writer::alist($phrases, array('class' => 'targetphrases'));
}
if ($question->errorcmid && ($cm = get_coursemodule_from_id('', $question->errorcmid))) {
$url = new moodle_url("/mod/{$cm->modname}/view.php?id={$cm->id}");
$a = (object)array(
'href' => $url->out(),
'name' => strip_tags(format_text($cm->name)),
);
$msg = array(get_string('excludecommonerrors', $plugin, $a));
$output .= html_writer::alist($msg, array('class' => 'commonerrors'));
}
if ($output) {
$name = 'correctresponse';
// "corrresp", "quiz" is available in Moodle >= 2.0
// "rightanswer", "question" is available in Moodle >= 2.1