public function controls(question_attempt $qa, question_display_options $options)
{
if ($options->readonly || $qa->get_state() != question_state::$todo) {
return '';
}
// Hidden input to move the question into the complete state.
return html_writer::empty_tag('input', array('type' => 'hidden', 'name' => $qa->get_behaviour_field_name('seen'), 'value' => 1));
}
public function feedback(question_attempt $qa, question_display_options $options) {
if (!$options->feedback) {
return '';
}
if ($qa->get_state() == question_state::$gaveup || $qa->get_state() ==
question_state::$mangaveup) {
return '';
}
$feedback = '';
if (!$qa->get_last_behaviour_var('certainty') &&
$qa->get_last_behaviour_var('_assumedcertainty')) {
$feedback .= html_writer::tag('p',
get_string('assumingcertainty', 'qbehaviour_deferredcbm',
question_cbm::get_string($qa->get_last_behaviour_var('_assumedcertainty'))));
}
if ($options->marks >= question_display_options::MARK_AND_MAX) {
$a = new stdClass();
$a->rawmark = format_float($qa->get_last_behaviour_var('_rawfraction') *
$qa->get_max_mark(), $options->markdp);
$a->mark = $qa->format_mark($options->markdp);
$feedback .= html_writer::tag('p',
get_string('markadjustment', 'qbehaviour_deferredcbm', $a));
}
return $feedback;
}
public function feedback(question_attempt $qa, question_display_options $options)
{
if (!$options->feedback) {
return '';
}
if ($qa->get_state() == question_state::$gaveup || $qa->get_state() == question_state::$mangaveup) {
return '';
}
$feedback = '';
if (!$qa->get_last_behaviour_var('certainty') && $qa->get_last_behaviour_var('_assumedcertainty')) {
$feedback .= html_writer::tag('p', get_string('assumingcertainty', 'qbehaviour_deferredcbm', question_cbm::get_string($qa->get_last_behaviour_var('_assumedcertainty'))));
}
return $feedback;
}
public function feedback(question_attempt $qa, question_display_options $options)
{
// If the latest answer was invalid, display an informative message.
if ($qa->get_state() == question_state::$invalid) {
return html_writer::nonempty_tag('div', $this->disregarded_info(), array('class' => 'gradingdetails'));
}
// Otherwise get the details.
return $this->render_adaptive_marks($qa->get_behaviour()->get_adaptive_marks(), $options);
}
public function feedback(question_attempt $qa, question_display_options $options)
{
if (!$qa->get_state()->is_active() || !$options->readonly) {
return '';
}
$attributes = array('type' => 'submit', 'id' => $qa->get_behaviour_field_name('tryagain'), 'name' => $qa->get_behaviour_field_name('tryagain'), 'value' => get_string('tryagain', 'qbehaviour_interactive'), 'class' => 'submit btn');
if ($options->readonly !== qbehaviour_interactive::READONLY_EXCEPT_TRY_AGAIN) {
$attributes['disabled'] = 'disabled';
}
$output = html_writer::empty_tag('input', $attributes);
if (empty($attributes['disabled'])) {
$this->page->requires->js_init_call('M.core_question_engine.init_submit_button', array($attributes['id'], $qa->get_slot()));
}
return $output;
}
/**
* Construct the HTML for the optional 'precheck' button, which triggers
* a partial submit in which no penalties are imposed but only the
* 'Use as example' test cases are run.
* This code is identical to the 'submit_button' code in
* qbehaviour_renderer::submit_button except for the id and name of the
* button.
*/
protected function precheck_button(question_attempt $qa, question_display_options $options)
{
if (!$qa->get_state()->is_active()) {
return '';
// Not sure if this can happen, but the submit button does it.
}
$attributes = array('type' => 'submit', 'id' => $qa->get_behaviour_field_name('precheck'), 'name' => $qa->get_behaviour_field_name('precheck'), 'value' => get_string('precheck', 'qbehaviour_adaptive_adapted_for_coderunner'), 'class' => 'submit btn');
if ($options->readonly) {
$attributes['disabled'] = 'disabled';
}
$output = html_writer::empty_tag('input', $attributes);
if (!$options->readonly) {
$this->page->requires->js_init_call('M.core_question_engine.init_submit_button', array($attributes['id'], $qa->get_slot()));
}
return $output;
}
public function correct_response(question_attempt $qa)
{
if ($qa->get_state()->is_correct()) {
// The answer was correct so we don't need to do anything further.
return '';
}
$question = $qa->get_question();
$stemorder = $question->get_stem_order();
$choices = $this->format_choices($qa, true);
$table = new html_table();
$table->attributes['class'] = 'generaltable correctanswertable';
$table->size = array('50%', '50%');
foreach ($stemorder as $key => $stemid) {
$row = new html_table_row();
$row->cells[] = $question->format_text($question->stems[$stemid], $question->stemformat[$stemid], $qa, 'qtype_ddmatch', 'subquestion', $stemid);
$row->cells[] = $choices[$question->get_right_choice_for($stemid)];
$table->data[] = $row;
}
return get_string('correctansweris', 'qtype_match', html_writer::table($table));
}
public function feedback(question_attempt $qa, question_display_options $options)
{
// Try to find the last graded step.
$isstateimprovable = $qa->get_behaviour()->is_state_improvable($qa->get_state());
$gradedstep = $this->get_graded_step($qa);
if ($gradedstep) {
if ($gradedstep->has_behaviour_var('_helps')) {
return $this->extra_help($qa, $options);
}
}
if (is_null($gradedstep) || $qa->get_max_mark() == 0 || $options->marks < question_display_options::MARK_AND_MAX) {
return '';
}
// Display the grading details from the last graded state
$mark = new stdClass();
$mark->max = $qa->format_max_mark($options->markdp);
$actualmark = $gradedstep->get_fraction() * $qa->get_max_mark();
$mark->cur = format_float($actualmark, $options->markdp);
$rawmark = $gradedstep->get_behaviour_var('_rawfraction') * $qa->get_max_mark();
$mark->raw = format_float($rawmark, $options->markdp);
// let student know wether the answer was correct
if ($qa->get_state()->is_commented()) {
$class = $qa->get_state()->get_feedback_class();
} else {
$class = question_state::graded_state_for_fraction($gradedstep->get_behaviour_var('_rawfraction'))->get_feedback_class();
}
$gradingdetails = get_string('gradingdetails', 'qbehaviour_adaptive', $mark);
$penalty = $qa->get_question()->penalty;
if ($penalty != 0) {
$gradingdetails .= $this->penalty_info($qa, $mark, $options);
}
$output = '';
$output .= html_writer::tag('div', get_string($class, 'question'), array('class' => 'correctness ' . $class));
$output .= html_writer::tag('div', $gradingdetails, array('class' => 'gradingdetails'));
$nbtries = $gradedstep->get_behaviour_var('_try');
if ($nbtries && $isstateimprovable) {
$totalpenalties = $qa->get_behaviour()->get_help_penalty($nbtries * $penalty, $options->markdp, 'totalpenalties');
$output .= $totalpenalties;
}
return $output;
}
protected function get_state_string(question_attempt $qa, $showcorrectness)
{
if ($qa->get_question()->length > 0) {
return $qa->get_state_string($showcorrectness);
}
// Special case handling for 'information' items.
if ($qa->get_state() == question_state::$todo) {
return get_string('notyetviewed', 'quiz');
} else {
return get_string('viewed', 'quiz');
}
}
protected function penalty_info(question_attempt $qa, $mark, question_display_options $options)
{
if (!$qa->get_question()->penalty && !$qa->get_last_behaviour_var('_hashint', false)) {
// No penalty for the attempts and no hinting done.
return '';
}
$output = '';
// Print details of grade adjustment due to penalties.
if ($mark->raw != $mark->cur) {
$output .= ' ' . get_string('gradingdetailsadjustment', 'qbehaviour_adaptive', $mark);
}
// Print information about any new penalty, only relevant if the answer can be improved.
if ($qa->get_behaviour()->is_state_improvable($qa->get_state())) {
$output .= ' ' . get_string('gradingdetailspenalty', 'qbehaviour_adaptive', format_float($qa->get_last_step()->get_behaviour_var('_penalty'), $options->markdp));
}
return $output;
}
/**
* Check a request for access to a file belonging to a combined feedback field.
* @param question_attempt $qa the question attempt being displayed.
* @param question_display_options $options the options that control display of the question.
* @param string $filearea the name of the file area.
* @return bool whether access to the file should be allowed.
*/
protected function check_combined_feedback_file_access($qa, $options, $filearea) {
$state = $qa->get_state();
if (!$state->is_finished()) {
$response = $qa->get_last_qt_data();
if (!$this->is_gradable_response($response)) {
return false;
}
list($notused, $state) = $this->grade_response($response);
}
return $options->feedback && $state->get_feedback_class() . 'feedback' == $filearea;
}
protected function combined_feedback(question_attempt $qa)
{
$question = $qa->get_question();
$state = $qa->get_state();
if (!$state->is_finished()) {
$response = $qa->get_last_qt_data();
if (!$qa->get_question()->is_gradable_response($response)) {
return '';
}
list($notused, $state) = $qa->get_question()->grade_response($response);
}
$feedback = '';
$field = $state->get_feedback_class() . 'feedback';
$format = $state->get_feedback_class() . 'feedbackformat';
if ($question->{$field}) {
$feedback .= $question->format_text($question->{$field}, $question->{$format}, $qa, 'question', $field, $question->id);
}
return $feedback;
}
public function correct_response(question_attempt $qa)
{
if ($qa->get_state()->is_correct()) {
return '';
}
$question = $qa->get_question();
$choices = $question->get_choice_order();
if (count($choices)) {
$table = new html_table();
$table->attributes['class'] = 'generaltable correctanswertable';
foreach ($choices as $key => $subqid) {
$table->data[][] = $question->format_text($question->stems[$subqid], $question->stemformat[$subqid], $qa, 'qtype_order', 'subquestion', $subqid);
}
return get_string('correctansweris', 'qtype_match', html_writer::table($table));
}
return '';
}
/**
* Display the information about the penalty calculations.
* @param question_attempt $qa the question attempt.
* @param object $mark contains information about the current mark.
* @param question_display_options $options display options.
*/
protected function penalty_info(question_attempt $qa, $mark, question_display_options $options)
{
$currentpenalty = $qa->get_question()->penalty * $qa->get_max_mark();
$totalpenalty = $currentpenalty * $qa->get_last_behaviour_var('_try', 0);
if ($currentpenalty == 0) {
return '';
}
$output = '';
// Print details of grade adjustment due to penalties
if ($mark->raw != $mark->cur) {
$output .= ' ' . get_string('gradingdetailsadjustment', 'qbehaviour_adaptive', $mark);
}
// Print information about any new penalty, only relevant if the answer can be improved.
if ($qa->get_behaviour()->is_state_improvable($qa->get_state())) {
$output .= ' ' . get_string('gradingdetailspenalty', 'qbehaviour_adaptive', format_float($currentpenalty, $options->markdp));
// Print information about total penalties so far, if larger than current penalty.
if ($totalpenalty > $currentpenalty) {
$output .= ' ' . get_string('gradingdetailspenaltytotal', 'qbehaviour_adaptive', format_float($totalpenalty, $options->markdp));
}
}
return $output;
}
/**
* Display the information about the penalty calculations.
* @param question_attempt $qa the question attempt.
* @param object $mark contains information about the current mark.
* @param question_display_options $options display options.
*/
protected function penalty_info(question_attempt $qa, $mark, question_display_options $options)
{
if (!$qa->get_question()->penalty) {
return '';
}
$output = '';
// print details of grade adjustment due to penalties
if ($mark->raw != $mark->cur) {
$output .= ' ' . get_string('gradingdetailsadjustment', 'qbehaviour_adaptive', $mark);
}
// print info about new penalty
// penalty is relevant only if the answer is not correct and further attempts are possible
if (!$qa->get_state()->is_finished()) {
$output .= ' ' . get_string('gradingdetailspenalty', 'qbehaviour_adaptive', format_float($qa->get_question()->penalty, $options->markdp));
}
return $output;
}
public function specific_feedback(question_attempt $qa)
{
$question = $qa->get_question();
$currentanswer = remove_blanks($qa->get_last_qt_var('answer'));
$ispreview = false;
$completemessage = '';
$closestcomplete = false;
foreach ($qa->get_reverse_step_iterator() as $step) {
$hintadded = $step->has_behaviour_var('_helps') === true;
break;
}
$closest = $question->closest;
if ($hintadded) {
// hint added one letter or hint added letter and answer is complete
$answer = $question->get_matching_answer(array('answer' => $closest[0]));
// help has added letter OR word and answer is complete
$isstateimprovable = $qa->get_behaviour()->is_state_improvable($qa->get_state());
if ($closest[2] == 'complete' && $isstateimprovable) {
$closestcomplete = true;
$class = '"correctness correct"';
$completemessage = '<div class=' . $class . '>' . get_string("clicktosubmit", "qtype_regexp") . '</div>';
}
} else {
$answer = $question->get_matching_answer(array('answer' => $qa->get_last_qt_var('answer')));
}
if ($closest[3]) {
$closest[3] = '[' . $closest[3] . ']';
// rest of submitted answer, in red
}
$f = '';
// student's response with corrections to be displayed in feedback div
$f = '<span style="color:#0000FF;">' . $closest[1] . '<strong>' . $closest[4] . '</strong></span> ' . $closest[3];
// color blue for correct words/letters
if ($answer && $answer->feedback || $closestcomplete == true) {
return $question->format_text($f . $answer->feedback . $completemessage, $answer->feedbackformat, $qa, 'question', 'answerfeedback', $answer->id);
} else {
return $f;
}
}
