function styles_ui_preset_add_form_validate in Styles 7

Same name and namespace in other branches

1. 6.2 contrib/styles_ui/includes/styles_ui.admin.inc \styles_ui_preset_add_form_validate()
2. 6 contrib/styles_ui/includes/styles_ui.admin.inc \styles_ui_preset_add_form_validate()

Validation handler for the add style preset form.

File

contrib/styles_ui/styles_ui.admin.inc, line 75

Administrative page callbacks for the Styles UI module.

Code

function styles_ui_preset_add_form_validate($form, $form_state) {
  $field_type = $form_state['values']['field_type'];
  $preset_name = $form_state['values']['preset_name'];
  $presets = styles_presets();
  if (!preg_match('!^[a-z0-9_]+$!', $preset_name)) {
    form_set_error('preset_name', t('The machine-readable style preset name must contain only lowercase letters, numbers, and underscores.'));
  }
  else {
    if (!empty($presets[$field_type][$preset_name])) {
      form_set_error('preset_name', t('The machine-readable style preset name %preset_name is already taken.', array(
        '%preset_name' => $preset_name,
      )));
    }
  }
}