public function classify_response(array $response) {
if (empty($response['answer'])) {
return array($this->id => question_classified_response::no_response());
}
if ($this->has_separate_unit_field()) {
$selectedunit = $response['unit'];
} else {
$selectedunit = null;
}
list($value, $unit, $multiplier) = $this->ap->apply_units($response['answer'], $selectedunit);
$ans = $this->get_matching_answer($value, $multiplier);
$resp = $response['answer'];
if ($this->has_separate_unit_field()) {
$resp = $this->ap->add_unit($resp, $unit);
}
if (!$ans) {
return array($this->id => new question_classified_response(0, $resp, 0));
}
return array($this->id => new question_classified_response($ans->id,
$resp,
$this->apply_unit_penalty($ans->fraction, $ans->unitisright)));
}
public function classify_response(array $response) {
if (empty($response['answer'])) {
return array($this->id => question_classified_response::no_response());
}
if ($this->unitdisplay == qtype_numerical::UNITSELECT) {
$selectedunit = $response['unit'];
} else {
$selectedunit = null;
}
list($value, $unit) = $this->ap->apply_units($response['answer'], $selectedunit);
$ans = $this->get_matching_answer($value);
if (!$ans) {
return array($this->id => question_classified_response::no_response());
}
$resp = $response['answer'];
if ($this->unitdisplay == qtype_numerical::UNITSELECT) {
$resp = $this->ap->add_unit($resp, $unit);
}
return array($this->id => new question_classified_response($ans->id,
$resp,
$this->apply_unit_penalty($ans->fraction, $unit)));
}
public function check_file_access($qa, $options, $component, $filearea, $args, $forcedownload)
{
if ($component == 'question' && $filearea == 'answerfeedback') {
$currentanswer = $qa->get_last_qt_var('answer');
if ($this->has_separate_unit_field()) {
$selectedunit = $qa->get_last_qt_var('unit');
} else {
$selectedunit = null;
}
list($value, $unit, $multiplier) = $this->ap->apply_units($currentanswer, $selectedunit);
$answer = $this->get_matching_answer($value, $multiplier);
$answerid = reset($args);
// Itemid is answer id.
return $options->feedback && $answer && $answerid == $answer->id;
} else {
if ($component == 'question' && $filearea == 'hint') {
return $this->check_hint_file_access($qa, $options, $args);
} else {
return parent::check_file_access($qa, $options, $component, $filearea, $args, $forcedownload);
}
}
}
public function test_currency()
{
$ap = new qtype_numerical_answer_processor(array('$' => 1, '£' => 1), true, '.', ',');
$this->assertEqual(array('1234.56', '£', 1), $ap->apply_units('£1,234.56'));
$this->assertEqual(array('100', '$', 1), $ap->apply_units('$100'));
$this->assertEqual(array('100', '$', 1), $ap->apply_units('$100.'));
$this->assertEqual(array('100.00', '$', 1), $ap->apply_units('$100.00'));
$this->assertEqual(array('100', '', null), $ap->apply_units('100'));
$this->assertEqual(array('100', 'frog', null), $ap->apply_units('frog 100'));
}
