public function check_file_access($qa, $options, $component, $filearea, $args, $forcedownload)
{
if ($component == 'question' && in_array($filearea, array('correctfeedback', 'partiallycorrectfeedback', 'incorrectfeedback'))) {
return $this->check_combined_feedback_file_access($qa, $options, $filearea);
} else {
if ($component == 'question' && $filearea == 'answer') {
$answerid = reset($args);
// Itemid is answer id.
return in_array($answerid, $this->order);
} else {
if ($component == 'question' && $filearea == 'answerfeedback') {
$answerid = reset($args);
// Itemid is answer id.
$response = $this->get_response($qa);
$isselected = false;
foreach ($this->order as $value => $ansid) {
if ($ansid == $answerid) {
$isselected = $this->is_choice_selected($response, $value);
break;
}
}
// Param $options->suppresschoicefeedback is a hack specific to the
// oumultiresponse question type. It would be good to refactor to
// avoid refering to it here.
return $options->feedback && empty($options->suppresschoicefeedback) && $isselected;
} else {
if ($component == 'question' && $filearea == 'hint') {
return $this->check_hint_file_access($qa, $options, $args);
} else {
return parent::check_file_access($qa, $options, $component, $filearea, $args, $forcedownload);
}
}
}
}
}
public function check_file_access($qa, $options, $component, $filearea, $args, $forcedownload)
{
return parent::check_file_access($qa, $options, $component, $filearea, $args, $forcedownload);
}
public function check_file_access($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, $forcedownload);
}
}
}
public function check_file_access($qa, $options, $component, $filearea, $args, $forcedownload)
{
if ($component == 'question' && $filearea == 'answerfeedback') {
$answerid = reset($args);
// itemid is answer id.
$response = $qa->get_last_qt_var('answer', '');
return $options->feedback && ($answerid == $this->trueanswerid && $response || $answerid == $this->falseanswerid && $response !== '');
} else {
return parent::check_file_access($qa, $options, $component, $filearea, $args, $forcedownload);
}
}
public function check_file_access($qa, $options, $component, $filearea, $args, $forcedownload) {
if ($component == 'question' && $filearea == 'answer') {
return true;
} else if ($component == 'question' && $filearea == 'answerfeedback') {
// Full logic to control which feedbacks a student can see is too complex.
// Just allow access to all images. There is a theoretical chance the
// students could see files they are not meant to see by guessing URLs,
// but it is remote.
return $options->feedback;
} else if ($component == 'question' && $filearea == 'hint') {
return $this->check_hint_file_access($qa, $options, $args);
} else {
return parent::check_file_access($qa, $options, $component, $filearea,
$args, $forcedownload);
}
}
public function check_file_access($qa, $options, $component, $filearea, $args, $forcedownload)
{
if ($component == 'question' && $filearea == 'answerfeedback') {
$currentanswer = $qa->get_last_qt_var('answer');
$answer = $qa->get_question()->get_matching_answer(array('answer' => $currentanswer));
$answerid = reset($args);
// itemid is answer id.
return $options->feedback && $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);
}
}
}
