function check_file_access($question, $state, $options, $contextid, $component, $filearea, $args)
{
$itemid = reset($args);
if ($component == 'question' && $filearea == 'answerfeedback') {
// check if answer id exists
$result = $options->feedback && array_key_exists($itemid, $question->options->answers);
if (!$result) {
return false;
}
// check response
if (!$this->check_response($question, $state)) {
return false;
}
return true;
} else {
if ($filearea == 'instruction') {
// TODO: should it be display all the time like questiontext?
// check if question id exists
if ($itemid != $question->id) {
return false;
} else {
return true;
}
} else {
return parent::check_file_access($question, $state, $options, $contextid, $component, $filearea, $args);
}
}
return true;
}
function check_file_access($question, $state, $options, $contextid, $component, $filearea, $args)
{
$itemid = reset($args);
if (empty($question->maxgrade)) {
$question->maxgrade = $question->defaultgrade;
}
if (in_array($filearea, array('correctfeedback', 'partiallycorrectfeedback', 'incorrectfeedback'))) {
$result = $options->feedback && $itemid == $question->id;
if (!$result) {
return false;
}
if ($state->raw_grade >= $question->maxgrade / 1.01) {
$feedbacktype = 'correctfeedback';
} else {
if ($state->raw_grade > 0) {
$feedbacktype = 'partiallycorrectfeedback';
} else {
$feedbacktype = 'incorrectfeedback';
}
}
if ($feedbacktype != $filearea) {
return false;
}
return true;
} else {
if ($component == 'question' && $filearea == 'answerfeedback') {
return $options->feedback && array_key_exists($itemid, $question->options->answers);
} else {
return parent::check_file_access($question, $state, $options, $contextid, $component, $filearea, $args);
}
}
}
