/**
* Create elements for this group.
*/
public function _createElements()
{
global $COURSE, $CFG, $OUTPUT;
$attributes = $this->getAttributes();
if (is_null($attributes)) {
$attributes = array();
}
$this->_elements = array();
// Create main elements
// We have to create the scale and point elements first, as we need their IDs.
// Grade scale select box.
$scales = get_scales_menu($COURSE->id);
$langscale = get_string('modgradetypescale', 'grades');
$this->scaleformelement = $this->createFormElement('select', 'modgrade_scale', $langscale, $scales, $attributes);
$this->scaleformelement->setHiddenLabel(true);
$scaleformelementid = $this->generate_modgrade_subelement_id('modgrade_scale');
$this->scaleformelement->updateAttributes(array('id' => $scaleformelementid));
// Maximum grade textbox.
$langmaxgrade = get_string('modgrademaxgrade', 'grades');
$this->maxgradeformelement = $this->createFormElement('text', 'modgrade_point', $langmaxgrade, array());
$this->maxgradeformelement->setHiddenLabel(true);
$maxgradeformelementid = $this->generate_modgrade_subelement_id('modgrade_point');
$this->maxgradeformelement->updateAttributes(array('id' => $maxgradeformelementid));
// Grade type select box.
$gradetype = array('none' => get_string('modgradetypenone', 'grades'), 'scale' => get_string('modgradetypescale', 'grades'), 'point' => get_string('modgradetypepoint', 'grades'));
$langtype = get_string('modgradetype', 'grades');
$this->gradetypeformelement = $this->createFormElement('select', 'modgrade_type', $langtype, $gradetype, $attributes, true);
$this->gradetypeformelement->setHiddenLabel(true);
$gradetypeformelementid = $this->generate_modgrade_subelement_id('modgrade_type');
$this->gradetypeformelement->updateAttributes(array('id' => $gradetypeformelementid));
if ($this->isupdate && $this->hasgrades) {
$this->gradetypeformelement->updateAttributes(array('disabled' => 'disabled'));
$this->scaleformelement->updateAttributes(array('disabled' => 'disabled'));
// Check box for options for processing existing grades.
if ($this->canrescale) {
$langrescalegrades = get_string('modgraderescalegrades', 'grades');
$choices = array();
$choices[''] = get_string('choose');
$choices['no'] = get_string('no');
$choices['yes'] = get_string('yes');
$rescalegradesselect = $this->createFormElement('select', 'modgrade_rescalegrades', $langrescalegrades, $choices);
$rescalegradesselect->setHiddenLabel(true);
$rescalegradesselectid = $this->generate_modgrade_subelement_id('modgrade_rescalegrades');
$rescalegradesselect->updateAttributes(array('id' => $rescalegradesselectid));
}
}
// Add elements.
if ($this->isupdate && $this->hasgrades) {
// Set a message so the user knows why they can not alter the grade type or scale.
if ($this->currentgradetype == 'scale') {
$gradesexistmsg = get_string('modgradecantchangegradetyporscalemsg', 'grades');
} else {
$gradesexistmsg = get_string('modgradecantchangegradetypemsg', 'grades');
}
$gradesexisthtml = '<div class=\'alert\'>' . $gradesexistmsg . '</div>';
$this->_elements[] = $this->createFormElement('static', 'gradesexistmsg', '', $gradesexisthtml);
}
// Grade type select box.
$label = html_writer::tag('label', $this->gradetypeformelement->getLabel(), array('for' => $this->gradetypeformelement->getAttribute('id')));
$this->_elements[] = $this->createFormElement('static', 'gradetypelabel', '', ' ' . $label);
$this->_elements[] = $this->gradetypeformelement;
$this->_elements[] = $this->createFormElement('static', 'gradetypespacer', '', '<br />');
// Only show the grade scale select box when applicable.
if (!$this->isupdate || !$this->hasgrades || $this->currentgradetype == 'scale') {
$label = html_writer::tag('label', $this->scaleformelement->getLabel(), array('for' => $this->scaleformelement->getAttribute('id')));
$this->_elements[] = $this->createFormElement('static', 'scalelabel', '', $label);
$this->_elements[] = $this->scaleformelement;
$this->_elements[] = $this->createFormElement('static', 'scalespacer', '', '<br />');
}
if ($this->isupdate && $this->hasgrades && $this->canrescale && $this->currentgradetype == 'point') {
// We need to know how to apply any changes to maxgrade - ie to either update, or don't touch exising grades.
$label = html_writer::tag('label', $rescalegradesselect->getLabel(), array('for' => $rescalegradesselect->getAttribute('id')));
$labelhelp = new help_icon('modgraderescalegrades', 'grades');
$this->_elements[] = $this->createFormElement('static', 'scalelabel', '', $label . $OUTPUT->render($labelhelp));
$this->_elements[] = $rescalegradesselect;
$this->_elements[] = $this->createFormElement('static', 'scalespacer', '', '<br />');
}
// Only show the max points form element when applicable.
if (!$this->isupdate || !$this->hasgrades || $this->currentgradetype == 'point') {
$label = html_writer::tag('label', $this->maxgradeformelement->getLabel(), array('for' => $this->maxgradeformelement->getAttribute('id')));
$this->_elements[] = $this->createFormElement('static', 'pointlabel', '', $label);
$this->_elements[] = $this->maxgradeformelement;
$this->_elements[] = $this->createFormElement('static', 'pointspacer', '', '<br />');
}
}
