/**
* Checks if the current test allows the progress bar to be displayed
* @param AssessmentTestSession $session
* @param array $testMeta
* @param array $config
* @return bool
*/
public static function considerProgress(AssessmentTestSession $session, array $testMeta, array $config = array())
{
$considerProgress = true;
if (!empty($config['progress-indicator-forced'])) {
// Caution: this piece of code can introduce a heavy load on very large tests
// The local optimisation made here concerns:
// - only check the part branchRules if the progress indicator must be forced for all tests
// - branchRules check is ignored when the navigation mode is non linear.
//
// TODO: Perform this check at compilation time and store a map of parts options.
// This can be also done for navigation map (see getNavigatorMap and getJumpsMap)
$testPart = $session->getCurrentTestPart();
if ($testPart->getNavigationMode() !== NavigationMode::NONLINEAR) {
$branchings = $testPart->getComponentsByClassName('branchRule');
if (count($branchings) > 0) {
$considerProgress = false;
}
}
} else {
if ($testMeta['preConditions'] === true) {
$considerProgress = false;
} else {
if ($testMeta['branchRules'] === true) {
$considerProgress = false;
}
}
}
return $considerProgress;
}
