function node_type_form_validate in Drupal 6
Same name and namespace in other branches
- 5 modules/node/content_types.inc \node_type_form_validate()
- 7 modules/node/content_types.inc \node_type_form_validate()
Validates the content type submission form generated by node_type_form().
File
- modules/
node/ content_types.inc, line 218 - Content type editing UI.
Code
function node_type_form_validate($form, &$form_state) {
$type = new stdClass();
$type->type = trim($form_state['values']['type']);
$type->name = trim($form_state['values']['name']);
// Work out what the type was before the user submitted this form
$old_type = trim($form_state['values']['old_type']);
$types = node_get_types('names');
if (!$form_state['values']['locked']) {
if (isset($types[$type->type]) && $type->type != $old_type) {
form_set_error('type', t('The machine-readable name %type is already taken.', array(
'%type' => $type->type,
)));
}
if (!preg_match('!^[a-z0-9_]+$!', $type->type)) {
form_set_error('type', t('The machine-readable name must contain only lowercase letters, numbers, and underscores.'));
}
// 'theme' conflicts with theme_node_form().
// '0' is invalid, since elsewhere we check it using empty().
if (in_array($type->type, array(
'0',
'theme',
))) {
form_set_error('type', t("Invalid machine-readable name. Please enter a name other than %invalid.", array(
'%invalid' => $type->type,
)));
}
}
$names = array_flip($types);
if (isset($names[$type->name]) && $names[$type->name] != $old_type) {
form_set_error('name', t('The human-readable name %name is already taken.', array(
'%name' => $type->name,
)));
}
}