function certificate_grade_condition()
{
global $certificate, $course;
$restrict_errors = '';
if ($linked_acts = certificate_get_linked_activities($certificate->id)) {
if (!certificate_is_available_time($linked_acts, $course->id)) {
$restrict_errors[] = get_string('errorlocktime', 'certificate');
}
if (!certificate_is_available_mod($linked_acts, $course->id)) {
$restrict_errors[] = get_string('errorlockmod', 'certificate');
}
}
if ($certificate->lockgrade == 1) {
$coursegrade = certificate_print_course_grade($course);
if ($certificate->requiredgrade > $coursegrade->points) {
$a->current = $coursegrade->points;
$a->needed = $certificate->requiredgrade;
$restrict_errors[] = get_string('errorlockgradecourse', 'certificate', $a);
}
}
return $restrict_errors;
}
/**
* Add the linked activities portion only after the entire form has been created. That way,
* we can act on previous added values that haven't been committed to the database.
* Check for an 'addlink' button. If the linked activities fields are all full, add an empty one.
*/
function definition_after_data()
{
global $form;
/// This gets called more than once, and there's no way to tell which time this is, so set a
/// variable to make it as called so we only do this processing once.
if (!empty($this->def_after_data_done)) {
return;
}
$this->def_after_data_done = true;
$mform =& $this->_form;
$fdata = $mform->getSubmitValues();
/// Get the existing linked activities from the database, unless this form has resubmitted itself, in
/// which case they will be in the form already.
$linkids = array();
$linkgrade = array();
$linkentry = array();
if (empty($fdata)) {
if ($linkedacts = certificate_get_linked_activities($form->instance)) {
foreach ($linkedacts as $idx => $linkedact) {
if ($idx != CERTCOURSETIMEID) {
$linkids[] = $linkedact->linkid;
$linkgrades[] = $linkedact->linkgrade;
$linkentry[] = $linkedact->id;
}
}
}
} else {
foreach ($fdata['linkid'] as $idx => $linkid) {
$linkids[$idx] = $linkid;
$linkgrades[$idx] = $fdata['linkgrade'][$idx];
if (!empty($fdata['linkentry'][$idx])) {
$linkentry[$idx] = $fdata['linkentry'][$idx];
}
}
}
foreach ($linkids as $idx => $linkid) {
$formgroup = array();
$formgroup[] =& $mform->createElement('select', 'linkid[' . $idx . ']', '', $this->activities);
$mform->setDefault('linkid[' . $idx . ']', $linkid);
$formgroup[] =& $mform->createElement('select', 'linkgrade[' . $idx . ']', '', $this->restrictoptions);
$mform->setDefault('linkgrade[' . $idx . ']', $linkgrades[$idx]);
$group =& $mform->createElement('group', 'actlab' . $idx, $idx + 1, $formgroup, array(' '), false);
$mform->insertElementBefore($group, 'addlink');
if (!empty($linkentry[$idx])) {
$mform->addElement('hidden', 'linkentry[' . $idx . ']', $linkentry[$idx]);
}
}
$numlacts = count($linkids);
$formgroup = array();
$formgroup[] =& $mform->createElement('select', 'linkid[' . $numlacts . ']', '', $this->activities);
$mform->setDefault('linkid[' . $numlacts . ']', 0);
$formgroup[] =& $mform->createElement('select', 'linkgrade[' . $numlacts . ']', '', $this->restrictoptions);
$mform->setDefault('linkgrade[' . $numlacts . ']', '');
$group =& $mform->createElement('group', 'actlab' . $numlacts, $numlacts + 1, $formgroup, array(' '), false);
$mform->insertElementBefore($group, 'addlink');
}
