field_validation_words_validator.inc in Field Validation 7.2

File

plugins/validator/field_validation_words_validator.inc

<?php

/**
 * @file
 * Field validation words validator.
 */
$plugin = array(
  'label' => t('Number of words'),
  'description' => t('Verifies the number of words of user-entered values, with the option to specify minimum and maximum number of words.'),
  'handler' => array(
    'class' => 'field_validation_words_validator',
  ),
);

/**
 *
 */
class field_validation_words_validator extends field_validation_validator {

  /**
   * Validate field.
   */
  public function validate() {
    $settings = $this->rule->settings;
    if ($this->value != '') {
      $flag = TRUE;
      $count = count(explode(' ', trim(preg_replace('/\\s+/', ' ', str_replace('&nbsp;', ' ', strip_tags(str_replace('<', ' <', $this->value)))))));
      if (isset($settings['min']) && $settings['min'] != '') {
        $min = token_replace($settings['min'], array(
          $this
            ->get_token_type() => $this->entity,
        ));
        if ($count < $min) {
          $flag = FALSE;
        }
      }
      if (isset($settings['max']) && $settings['max'] != '') {
        $max = token_replace($settings['max'], array(
          $this
            ->get_token_type() => $this->entity,
        ));
        if ($count > $max) {
          $flag = FALSE;
        }
      }
      if (!$flag) {
        $token = array(
          '[min]' => isset($min) ? $min : '',
          '[max]' => isset($max) ? $max : '',
          '[count]' => $count,
        );
        $this
          ->set_error($token);
      }
    }
  }

  /**
   * Provide settings option.
   */
  function settings_form(&$form, &$form_state) {
    $default_settings = $this
      ->get_default_settings($form, $form_state);

    // Print debug($default_settings);
    $form['settings']['min'] = array(
      '#title' => t('Minimum number of words'),
      '#description' => t("Optionally specify the minimum number of words that have to be entered to pass validation. Words are defined as strings of letters separated by spaces."),
      '#type' => 'textfield',
      '#default_value' => isset($default_settings['min']) ? $default_settings['min'] : '',
    );
    $form['settings']['max'] = array(
      '#title' => t('Maximum number of words'),
      '#description' => t("Optionally specify the maximum number of words that have to be entered to pass validation. Words are defined as strings of letters separated by spaces."),
      '#type' => 'textfield',
      '#default_value' => isset($default_settings['max']) ? $default_settings['max'] : '',
    );
    parent::settings_form($form, $form_state);
  }

  /**
   * Provide token help info for error message.
   */
  public function token_help() {
    $token_help = parent::token_help();
    $token_help += array(
      '[min]' => t('Minimum number of words'),
      '[max]' => t('Maximum number of words'),
      '[count]' => t('The real number of words'),
    );
    return $token_help;
  }

}

Classes

Name	Description
field_validation_words_validator