/**
* Internal recursive function - finds all settings from submitted form
*
* @param object $node Instance of admin_category, or admin_settingpage
* @param array $data
* @return array
*/
function admin_find_write_settings($node, $data)
{
$return = array();
if (empty($data)) {
return $return;
}
if ($node instanceof admin_category) {
$entries = array_keys($node->children);
foreach ($entries as $entry) {
$return = array_merge($return, admin_find_write_settings($node->children[$entry], $data));
}
} else {
if ($node instanceof admin_settingpage) {
foreach ($node->settings as $setting) {
$fullname = $setting->get_full_name();
if (array_key_exists($fullname, $data)) {
$return[$fullname] = $setting;
}
}
}
}
return $return;
}
protected function save_config_data(admin_root $adminroot, array $data)
{
$adminroot->errors = array();
$settings = admin_find_write_settings($adminroot, $data);
$count = 0;
foreach ($settings as $fullname => $setting) {
/** @var $setting admin_setting */
$original = $setting->get_setting();
$error = $setting->write_setting($data[$fullname]);
if ($error !== '') {
$adminroot->errors[$fullname] = new stdClass();
$adminroot->errors[$fullname]->data = $data[$fullname];
$adminroot->errors[$fullname]->id = $setting->get_id();
$adminroot->errors[$fullname]->error = $error;
}
$count++;
}
return $count;
}