function _term_reference_autocomplete_validate in Taxonomy Term Reference Filter by Views 7.2

1 string reference to '_term_reference_autocomplete_validate'

term_reference_filter_by_views_field_widget_form_alter in ./term_reference_filter_by_views.module

Implements hook_widget_field_form(). Alters the Taxonomy Term Reference Widgets.

File

./term_reference_filter_by_views.module, line 82

Code

function _term_reference_autocomplete_validate($element, &$form_state, $form) {

  // If a value was entered into the autocomplete...
  $value = '';
  if (!empty($element['#value'])) {
    if (isset($element['#multiple']) && $element['value_field']['#type'] == 'textfield') {
      $terms_data = drupal_explode_tags($element['#value']);
    }
    else {
      $terms_data = array(
        $element['#value'],
      );
    }
    foreach ($terms_data as $term_data) {

      // Take "label (term id)', match the id from parenthesis.
      if (preg_match("/.+\\(\\s*id\\s*:(\\d+)\\)/", $term_data, $matches)) {
        if ($element['#instance']['widget']['type'] == 'references_dialog_term_reference') {
          $value = $matches[1];
        }
        else {
          $value[] = (array) taxonomy_term_load($matches[1]);
        }
      }
      else {
        $value[] = NULL;
      }
    }
  }

  // Update the value of this element so the field can validate the product IDs.
  form_set_value($element, $value, $form_state);
}