/**
*
*/
public static function fields_selection_definition($mform, $dataformid, $prefix = null)
{
$options = array(0 => get_string('all'), 1 => get_string('selected', 'form'));
$mform->addElement('select', $prefix . 'fieldselection', get_string('fields', 'dataform'), $options);
$items = array();
if ($items = \mod_dataform_field_manager::instance($dataformid)->fields_menu) {
$items = array_combine($items, $items);
}
$select =& $mform->addElement('select', $prefix . 'fields', null, $items);
$select->setMultiple(true);
$mform->disabledIf($prefix . 'fields', $prefix . 'fieldselection', 'eq', 0);
}
/**
* Returns the field manager of the Dataform this mannager works for.
*
* @return mod_dataform_field_manager
*/
public function get_field_manager()
{
return mod_dataform_field_manager::instance($this->dataformid);
}
/**
* Deletes plugin instances.
*
* @return void
*/
public function delete_instances()
{
global $DB;
$params = array('type' => $this->name);
if (!($instances = $DB->get_records_menu('dataform_fields', $params, 'dataid', 'id,dataid'))) {
return;
}
$bydataform = array();
foreach ($instances as $instanceid => $dataformid) {
if (empty($bydataform[$dataformid])) {
$bydataform[$dataformid] = array();
}
$bydataform[$dataformid][] = $instanceid;
}
foreach ($bydataform as $dataformid => $instanceids) {
$entryman = \mod_dataform_field_manager::instance($dataformid);
$entryman->process_fields('delete', $instanceids, true);
}
}
