function processView()
{
$fields = $GLOBALS['system']->getDBObjectData('custom_field', array(), 'OR', 'rank');
foreach ($fields as $id => $details) {
$x = new Custom_field($id);
if (!$x->acquireLock()) {
$this->fields = NULL;
add_message("Somebody else is currently editing the custom fields. Please try again later", 'error');
return;
}
$this->fields[$id] = $x;
}
$i = 0;
$ranks = array_flip(array_get($_REQUEST, 'index', array()));
while (array_key_exists('fields_' . $i . '_id', $_REQUEST)) {
$prefix = 'fields_' . $i . '_';
if (empty($_REQUEST[$prefix . 'id'])) {
if (!empty($_REQUEST[$prefix . 'name'])) {
// new field
$field = new Custom_Field();
$field->processForm($prefix);
$field->setValue('rank', $ranks[$i]);
$field->create();
$field->acquireLock();
$this->fields[$field->id] = $field;
}
} else {
$fieldID = $_REQUEST[$prefix . 'id'];
// existing field
if (!empty($_REQUEST[$prefix . 'delete'])) {
$this->fields[$fieldID]->delete();
unset($this->fields[$fieldID]);
} else {
$this->fields[$fieldID]->processForm($prefix);
$this->fields[$fieldID]->setValue('rank', $ranks[$i]);
$this->fields[$fieldID]->save();
}
}
$i++;
}
uasort($this->fields, create_function('$x,$y', 'return (int)$x->getValue("rank") > (int)$y->getValue("rank");'));
if ($i > 0) {
add_message("Custom fields updated", 'success');
}
}
