Club Drupal

<?php

/**

 * @file

 * Provides the reCAPTCHA administration settings.

 */

/**

 * Form callback; administrative settings for reCaptcha.

 */

function recaptcha_admin_settings() {

  // Load the recaptcha library. Error if library does not load.

  if (!_recaptcha_load_library()) {

    drupal_set_message(t('Error loading recaptchalib.'), 'error');

    return FALSE;

  }

  $form = array();

  $form['recaptcha_public_key'] = array(

    '#type' => 'textfield',

    '#title' => t('Public Key'),

    '#default_value' => variable_get('recaptcha_public_key', ''),

    '#maxlength' => 40,

    '#description' => t('The public key given to you when you <a href="@url" target="_blank">register for reCAPTCHA</a>.', array('@url' => url(recaptcha_get_signup_url($_SERVER['SERVER_NAME'], variable_get('site_name', ''))))),

    '#required' => TRUE,

  );

  $form['recaptcha_private_key'] = array(

    '#type' => 'textfield',

    '#title' => t('Private Key'),

    '#default_value' => variable_get('recaptcha_private_key', ''),

    '#maxlength' => 40,

    '#description' => t('The private key given to you when you <a href="@url" target="_blank">register for reCAPTCHA</a>.', array('@url' => url(recaptcha_get_signup_url($_SERVER['SERVER_NAME'], variable_get('site_name', ''))))),

    '#required' => TRUE,

  );

  $form['recaptcha_server_status_check_interval'] = array(

    '#type' => 'textfield',

    '#title' => t('Captcha server check interval'),

    '#default_value' => variable_get('recaptcha_server_status_check_interval', 5),

    '#description' => t('Number of minutes to cache reCAPTCHA server status.'),

    '#size' => 10,

  );

  $form['recaptcha_ajax_api'] = array(

    '#type' => 'checkbox',

    '#title' => t('AJAX API'),

    '#default_value' => variable_get('recaptcha_ajax_api', FALSE),

    '#description' => t('Use the AJAX API to display reCAPTCHA.'),

  );

  $form['recaptcha_nocookies'] = array(

    '#type' => 'checkbox',

    '#title' => t('Disable Client-Side Cookies'),

    '#default_value' => variable_get('recaptcha_nocookies', FALSE),

    '#description' => t('Add flag to disable third-party cookies set by reCAPTCHA.'),

  );

  $form['recaptcha_theme_settings'] = array(

    '#type' => 'fieldset',

    '#title' => t('Theme Settings'),

    '#collapsible' => TRUE,

    '#collapsed' => TRUE,

  );

  $form['recaptcha_theme_settings']['recaptcha_theme'] = array(

    '#type' => 'select',

    '#title' => t('Theme'),

    '#description' => t('Defines which theme to use for reCAPTCHA.'),

    '#options' => array(

      'red' => t('Red'),

      'white' => t('White'),

      'blackglass' => t('Black Glass'),

      'clean' => t('Clean'),

      'custom' => t('Custom'),

    ),

    '#default_value' => variable_get('recaptcha_theme', 'red'),

    '#required' => TRUE,

  );

  $form['recaptcha_theme_settings']['recaptcha_tabindex'] = array(

    '#type' => 'textfield',

    '#title' => t('Tab Index'),

    '#description' => t('Sets a <a href="@tabindex" target="_blank">tabindex</a> for the reCAPTCHA text box. If other elements in the form use a tabindex, this should be set so that navigation is easier for the user.', array('@tabindex' => 'http://www.w3.org/TR/html4/interact/forms.html#adef-tabindex')),

    '#default_value' => variable_get('recaptcha_tabindex', ''),

    '#size' => 4,

  );

  return system_settings_form($form);

}

/**

 * Validation function for recaptcha_admin_settings().

 *

 * @see recaptcha_admin_settings()

 */

function recaptcha_admin_settings_validate($form, &$form_state) {

  $tabindex = $form_state['values']['recaptcha_tabindex'];

  if (!empty($tabindex) && !is_numeric($tabindex)) {

    form_set_error('recaptcha_tabindex', t('The Tab Index must be an integer.'));

  }

}