/**
* Get custom fields
*
* This function returns an array of custom field names to labels, and has a few side effects
* that set up data to use the custom fields later. The side effects reduce the number of
* database lookups required to generate the form.
*
* @param array $fields An array of db records representing custom fields
* @return array Custom field names mapped to labels.
*/
function get_custom_fields($group, $fields)
{
$yesno = array(1 => get_string('yes'), 0 => get_string('no'));
// Array $xoptions to append to existing options['choices']
$options = array();
if (!$fields instanceof Iterator) {
$fields = array();
}
foreach ($fields as $field) {
$field = new field($field);
if (!isset($field->owners['manual'])) {
error_log("multifilter.php::get_custom_fields() - no field->owners['manual'] for {$field->name} ({$field_identifier})");
continue;
}
$field_identifier = 'customfield-' . $field->id;
$this->_fields[$group][$field_identifier] = $field;
$this->record_short_field_name($field_identifier);
$this->labels[$group][$field_identifier] = $field->name;
$options[$field_identifier] = $field->name;
$owner = new field_owner($field->owners['manual']);
$params = unserialize($owner->params);
//error_log("multifilter.php::get_custom_fields(): {$field_identifier} => {$params['control']} ({$this->datatypemap[$params['control']]})");
$this->fieldtofiltermap[$group][$field_identifier] = $this->datatypemap[$params['control']];
switch ($params['control']) {
case 'datetime':
// TBD - options required for datetime fields?
$this->_choices[$field_identifier] = array('startyear' => $params['startyear'], 'stopyear' => $params['stopyear'], 'inctime' => isset($params['inctime']) ? $params['inctime'] : false);
break;
case 'checkbox':
$this->_choices[$field_identifier] = $yesno;
break;
case 'menu':
$choices = $owner->get_menu_options();
if (!empty($choices)) {
$this->_choices[$field_identifier] = array();
foreach ($choices as $key => $choice) {
$choice = trim($choice);
// preserve anyvalue key => ''
//$key = ($key === '') ? $key : $choice;
$this->_choices[$field_identifier][$key] = $choice;
}
} else {
error_log("multifilter::get_custom_fields() - empty menu options for fieldid = {$field->id} ... using: Yes, No");
$this->_choices[$field_identifier] = $yesno;
}
break;
case 'text':
// fall-thru case!
// fall-thru case!
case 'textarea':
// no options required for text fields
break;
default:
error_log("multifilter.php:: control = {$params['control']}, datatype = {$field->data_type()} not supported");
break;
}
}
$this->sections[$group]['custom'] = $options;
}
