public function SearchApiViewsHandlerFilterFulltext::exposed_validate in Search API 7

Validate the exposed handler form.

Overrides views_handler::exposed_validate

File

contrib/search_api_views/includes/handler_filter_fulltext.inc, line 97

Contains SearchApiViewsHandlerFilterFulltext.

Class

SearchApiViewsHandlerFilterFulltext

Views filter handler class for handling fulltext fields.

Code

public function exposed_validate(&$form, &$form_state) {

  // Only validate exposed input.
  if (empty($this->options['exposed']) || empty($this->options['expose']['identifier'])) {
    return;
  }

  // Don't validate on form reset.
  if (!empty($form_state['triggering_element']['#value']) && !empty($form['reset']['#value']) && $form_state['triggering_element']['#value'] === $form['reset']['#value']) {
    return;
  }

  // We only need to validate if there is a minimum word length set.
  if ($this->options['min_length'] < 2) {
    return;
  }
  $identifier = $this->options['expose']['identifier'];
  $input =& $form_state['values'][$identifier];
  if ($this->options['is_grouped'] && isset($this->options['group_info']['group_items'][$input])) {
    $this->operator = $this->options['group_info']['group_items'][$input]['operator'];
    $input =& $this->options['group_info']['group_items'][$input]['value'];
  }

  // If there is no input, we're fine.
  if (!trim($input)) {
    return;
  }
  $words = preg_split('/\\s+/', $input);
  $quoted = FALSE;
  foreach ($words as $i => $word) {
    $word_length = drupal_strlen($word);
    if (!$word_length) {
      unset($words[$i]);
      continue;
    }

    // Protect quoted strings.
    if ($quoted && $word[strlen($word) - 1] === '"') {
      $quoted = FALSE;
      continue;
    }
    if ($quoted || $word[0] === '"') {
      $quoted = TRUE;
      continue;
    }
    if ($word_length < $this->options['min_length']) {
      unset($words[$i]);
    }
  }
  if (!$words) {
    $vars['@count'] = $this->options['min_length'];
    $msg = t('You must include at least one positive keyword with @count characters or more.', $vars);
    form_error($form[$identifier], $msg);
  }
  $input = implode(' ', $words);
}