function _webform_edit_validate_mapping in Webform Bonus Pack 6.3

Same name and namespace in other branches

1. 7.3 components/mapping.inc \_webform_edit_validate_mapping()

Element validation callback. Ensure keys are not duplicated.

1 string reference to '_webform_edit_validate_mapping'

_webform_edit_mapping in components/mapping.inc

Implementation of _webform_edit_component().

File

components/mapping.inc, line 86

Webform module mapping component.

Code

function _webform_edit_validate_mapping($element, &$form_state) {

  // Check for duplicate key values to prevent unexpected data loss. Require
  // all options to include a safe_key.
  if (!empty($element['#value'])) {
    $lines = explode("\n", trim($element['#value']));
    $missing_keys = array();
    $long_keys = array();
    $group = '';
    foreach ($lines as $line) {
      $matches = array();
      $line = trim($line);
      if (preg_match('/^\\<([^>]*)\\>$/', $line, $matches)) {
        $group = $matches[1];
        $key = NULL;

        // No need to store group names.
      }
      elseif (preg_match('/^([^|]*)\\|(.*)$/', $line, $matches)) {
        $key = $matches[1];
        if (strlen($key) > 128) {
          $long_keys[] = $key;
        }
      }
      else {
        $missing_keys[] = $line;
      }
    }
    if (!empty($missing_keys)) {
      form_error($element, t('Every option must have a key specified. Specify each option as "safe_key|Some readable option".'));
    }
    if (!empty($long_keys)) {
      form_error($element, t('Option keys must be less than 128 characters. The following keys exceed this limit:') . theme('item_list', $long_keys));
    }
  }
  return TRUE;
}