function barcode_field in Barcode 6

Same name and namespace in other branches

1. 6.2 barcodefield.module \barcode_field()

Implementation of hook_field().

File

./barcode.module, line 79

Code

function barcode_field($op, &$node, $field, &$items, $teaser, $page) {
  switch ($op) {
    case 'validate':

      // validate the entered data according to the encoding method.
      $encoding = variable_get('barcode_encoding', array(
        'UPC-A',
      ));
      foreach ($items as $delta => $item) {
        if ($encoding == 'UPC-A') {

          //UPC-A length validation
          $len = strlen(trim(check_plain($item['barcode'])));
          if ($len != 0 && strlen(trim(check_plain($item['title']))) != 0) {

            // If a bacode is entered.
            if ($len != 12) {
              form_set_error($field['field_name'] . '][' . $delta . '][barcode', t('UPC-A code must have 12 digits! Check your #' . ($delta + 1) . ' entry. Length: ' . $len));
            }
          }
        }
      }
      break;
    case 'sanitize':
      foreach ($items as $delta => $item) {
        $items[$delta]['barcode'] = trim(check_plain($item['barcode']));
        $items[$delta]['title'] = trim(check_plain($item['title']));
      }
      break;
  }
}