/**
*
*/
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);
}
/**
* Generates a dataform filter.
* @param array|stdClass $record
* @param array $options
* @return stdClass generated object
*/
public function create_filter($record, array $options = null)
{
$record = (object) (array) $record;
$filter = new \mod_dataform\pluginbase\dataformfilter($record);
$fieldman = new \mod_dataform_field_manager($record->dataid);
// Append sort options if specified.
if (!empty($record->sortoptions)) {
// Convert fieldname[,element] sortdir to
// fieldid => (element,sortdir).
$sorties = array();
foreach (explode(';', $record->sortoptions) as $sortoption) {
list($fieldname, $element, $sortdir) = explode(',', $sortoption);
if ($field = $fieldman->get_field_by_name($fieldname)) {
$sorties[$field->id] = array($element, $sortdir);
}
}
$filter->append_sort_options($sorties);
}
// Append search options if specified.
if (!empty($record->searchoptions)) {
// Convert AND|OR,fieldname,element,[NOT],operator,value to
// fieldid => (endor => (element, not, operator, value)).
$searchoptions = array();
foreach (explode(';', $record->searchoptions) as $searchoption) {
list($andor, $fieldname, $element, $isnot, $op, $value) = explode(',', $searchoption);
if ($field = $fieldman->get_field_by_name($fieldname)) {
$searchy = array($andor => array(array($element, $isnot, $op, $value)));
if (empty($searchoptions[$field->id])) {
$searchoptions[$field->id] = $searchy;
} else {
$searchoptions[$field->id] = array_merge_recursive($searchoptions[$field->id], $searchy);
}
}
}
$filter->append_search_options($searchoptions);
}
$filter->update();
return $filter->instance;
}
/**
* Returns the field manager of the Dataform this mannager works for.
*
* @return mod_dataform_field_manager
*/
public function get_field_manager()
{
return mod_dataform_field_manager::instance($this->dataformid);
}
/**
*
*/
public static function custom_search_definition($mform, $dataformid, $customsearch, array $fields = array(), $showlabel = false)
{
if (!$fields and $dataformid) {
$fieldman = new \mod_dataform_field_manager($dataformid);
$fields = $fieldman->get_fields();
}
$andoroptions = array('' => get_string('andor', 'dataform'), 'AND' => get_string('and', 'dataform'), 'OR' => get_string('or', 'dataform'));
$fieldoptions = self::get_field_search_options_menu($fields);
$isnotoptions = array('' => get_string('is', 'dataform'), 'NOT' => get_string('not', 'dataform'));
$operatoroptions = array('' => get_string('empty', 'dataform'), '=' => get_string('equal', 'dataform'), '>' => get_string('greaterthan', 'dataform'), '<' => get_string('lessthan', 'dataform'), '>=' => get_string('greaterorequal', 'dataform'), '<=' => get_string('lessorequal', 'dataform'), 'BETWEEN' => get_string('between', 'dataform'), 'LIKE' => get_string('contains', 'dataform'), 'IN' => get_string('in', 'dataform'));
// Add current options.
$searchcriteria = array();
if ($customsearch) {
if (!is_array($customsearch)) {
$searchfields = unserialize($customsearch);
} else {
$searchfields = $customsearch;
}
foreach ($searchfields as $fieldid => $searchfield) {
if (empty($fields[$fieldid])) {
continue;
}
foreach ($searchfield as $andor => $searchoptions) {
foreach ($searchoptions as $searchoption) {
if (!is_array($searchoption) or count($searchoption) != 4) {
continue;
}
list($element, $not, $operator, $value) = $searchoption;
$searchcriteria[] = array("{$fieldid},{$element}", $andor, $not, $operator, $value);
}
}
}
}
// Add 2 more empty options.
$searchcriteria[] = array(null, null, null, null, null);
$searchcriteria[] = array(null, null, null, null, null);
// Add form definition for each existing criterion.
$fieldlabel = get_string('filtersearchfieldlabel', 'dataform');
foreach ($searchcriteria as $i => $searchcriterion) {
if (count($searchcriterion) != 5) {
continue;
}
$label = $showlabel ? "{$fieldlabel}{$i}" : '';
list($fieldid, $andor, $not, $operator, $value) = $searchcriterion;
$arr = array();
$arr[] =& $mform->createElement('select', "searchandor{$i}", null, $andoroptions);
$arr[] =& $mform->createElement('selectgroups', "searchfield{$i}", null, $fieldoptions);
$arr[] =& $mform->createElement('select', "searchnot{$i}", null, $isnotoptions);
$arr[] =& $mform->createElement('select', "searchoperator{$i}", '', $operatoroptions);
$arr[] =& $mform->createElement('text', "searchvalue{$i}", '');
$mform->addGroup($arr, "customsearcharr{$i}", $label, ' ', false);
$mform->setType("searchvalue{$i}", PARAM_TEXT);
$mform->setDefault("searchandor{$i}", $andor);
$mform->setDefault("searchfield{$i}", $fieldid);
$mform->setDefault("searchnot{$i}", $not);
$mform->setDefault("searchoperator{$i}", $operator);
$mform->setDefault("searchvalue{$i}", $value);
$mform->disabledIf("searchfield{$i}", "searchandor{$i}", 'eq', '');
$mform->disabledIf("searchnot{$i}", "searchfield{$i}", 'eq', '');
$mform->disabledIf("searchoperator{$i}", "searchfield{$i}", 'eq', '');
$mform->disabledIf("searchvalue{$i}", "searchoperator{$i}", 'eq', '');
if ($i) {
$prev = $i - 1;
$mform->disabledIf("customsearcharr{$i}", "searchfield{$prev}", 'eq', '');
}
$i++;
}
}
/**
* 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);
}
}