public function check_file_access($qa, $options, $component, $filearea, $args, $forcedownload)
{
// TODO.
if ($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' && $filearea == 'answer') {
return true;
} else {
if ($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' && in_array($filearea, array('correctfeedback', 'partiallycorrectfeedback', 'incorrectfeedback'))) {
return $this->check_combined_feedback_file_access($qa, $options, $filearea);
} else {
if ($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 == 'qtype_match' && $filearea == 'subquestion') {
$subqid = reset($args);
// Itemid is sub question id.
return array_key_exists($subqid, $this->stems);
} else {
if ($component == 'question' && in_array($filearea, array('correctfeedback', 'partiallycorrectfeedback', 'incorrectfeedback'))) {
return $this->check_combined_feedback_file_access($qa, $options, $filearea);
} else {
if ($component == 'question' && $filearea == '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 == 'qtype_stack' && $filearea == 'specificfeedback') {
// Specific feedback files only visibile when the feedback is.
return $options->feedback;
} else {
if ($component == 'qtype_stack' && in_array($filearea, array('prtcorrect', 'prtpartiallycorrect', 'prtincorrect'))) {
// This is a bit lax, but anything else is computationally very expensive.
return $options->feedback;
} else {
if ($component == 'qtype_stack' && in_array($filearea, array('prtnodefalsefeedback', 'prtnodetruefeedback'))) {
// This is a bit lax, but anything else is computationally very expensive.
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);
}
}
}
}
}
