public function make_behaviour(question_attempt $qa, $preferredbehaviour) {
if ($preferredbehaviour == 'interactive') {
return question_engine::make_behaviour('interactivecountback',
$qa, $preferredbehaviour);
}
return question_engine::make_archetypal_behaviour($preferredbehaviour, $qa);
}
public function make_behaviour(question_attempt $qa, $preferredbehaviour)
{
global $CFG;
// check that regexpadaptivewithhelp behaviour has been installed
// if not installed, then the regexp questions will follow the "standard" behaviours
// and Help button will not be available
// NOTE: from 2.2 you cannot install regexp if corresponding behaviours have not been installed first
// see plugin->dependencies in version.php file
// only use the regexpadaptivewithhelp behaviour is question uses hint
if ($this->usehint) {
if ($preferredbehaviour == 'adaptive' && file_exists($CFG->dirroot . '/question/behaviour/regexpadaptivewithhelp/')) {
return question_engine::make_behaviour('regexpadaptivewithhelp', $qa, $preferredbehaviour);
}
if ($preferredbehaviour == 'adaptivenopenalty' && file_exists($CFG->dirroot . '/question/behaviour/regexpadaptivewithhelpnopenalty/')) {
return question_engine::make_behaviour('regexpadaptivewithhelpnopenalty', $qa, $preferredbehaviour);
}
}
return question_engine::make_archetypal_behaviour($preferredbehaviour, $qa);
}
