function captcha_admin_settings in CAPTCHA 6

Same name and namespace in other branches

1. 5.3 captcha.module \captcha_admin_settings()
2. 6.2 captcha.admin.inc \captcha_admin_settings()
3. 7 captcha.admin.inc \captcha_admin_settings()

Form builder function for the general CAPTCHA configuration

1 string reference to 'captcha_admin_settings'

captcha_menu in ./captcha.module

Implementation of hook_menu().

File

./captcha.admin.inc, line 27

Code

function captcha_admin_settings() {

  // field for the CAPTCHA administration mode
  $form['captcha_administration_mode'] = array(
    '#type' => 'checkbox',
    '#title' => t('Add CAPTCHA administration links to forms'),
    '#default_value' => variable_get('captcha_administration_mode', FALSE),
    '#description' => t('This option is very helpful to enable/disable challenges on forms. When enabled, users with the "%admincaptcha" permission will see CAPTCHA administration links on all forms (except on administrative pages, which shouldn\'t be accessible to untrusted users in the first place). These links make it possible to enable a challenge of the desired type or disable it.', array(
      '%admincaptcha' => t('administer CAPTCHA settings'),
    )),
  );

  // field set with form_id -> CAPTCHA type configuration
  $form['captcha_types'] = array(
    '#type' => 'fieldset',
    '#title' => t('Challenge type per form'),
    '#description' => t('Select the challenge type you want for each of the listed forms (identified by their so called <em>form_id</em>\'s). You can easily add arbitrary forms with the help of the \'%CAPTCHA_admin_links\' option or the <a href="!add_captcha_point">the CAPTCHA point form</a>.', array(
      '%CAPTCHA_admin_links' => t('Add CAPTCHA administration links to forms'),
      '!add_captcha_point' => url('admin/user/captcha/captcha/captcha_point'),
    )),
    '#tree' => TRUE,
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
    '#theme' => 'captcha_admin_settings_captcha_points',
  );

  // list all possible form_id's
  $captcha_types = _captcha_available_challenge_types();
  $result = db_query("SELECT * FROM {captcha_points} ORDER BY form_id");
  while ($captcha_point = db_fetch_object($result)) {
    $form['captcha_types'][$captcha_point->form_id]['form_id'] = array(
      '#value' => $captcha_point->form_id,
    );

    // select widget for CAPTCHA type
    $form['captcha_types'][$captcha_point->form_id]['captcha_type'] = array(
      '#type' => 'select',
      '#default_value' => "{$captcha_point->module}/{$captcha_point->type}",
      '#options' => $captcha_types,
    );

    // additional operations
    $form['captcha_types'][$captcha_point->form_id]['operations'] = array(
      '#value' => implode(", ", array(
        l(t('delete'), "admin/user/captcha/captcha/captcha_point/{$captcha_point->form_id}/delete"),
      )),
    );
  }

  // field(s) for setting the additional CAPTCHA description
  if (module_exists('locale')) {
    $langs = locale_language_list();
    $form['captcha_descriptions'] = array(
      '#type' => 'fieldset',
      '#title' => t('Challenge description'),
      '#description' => t('With this description you can explain the purpose of the challenge to the user.'),
    );
    foreach ($langs as $lang_code => $lang_name) {
      $form['captcha_descriptions']["captcha_description_{$lang_code}"] = array(
        '#type' => 'textfield',
        '#title' => t('For language %lang_name (code %lang_code)', array(
          '%lang_name' => $lang_name,
          '%lang_code' => $lang_code,
        )),
        '#default_value' => _captcha_get_description($lang_code),
        '#maxlength' => 256,
      );
    }
  }
  else {
    $form['captcha_description'] = array(
      '#type' => 'textfield',
      '#title' => t('Challenge description'),
      '#description' => t('With this description you can explain the purpose of the challenge to the user.'),
      '#default_value' => _captcha_get_description(),
      '#maxlength' => 256,
    );
  }

  // field for CAPTCHA persistence
  $form['captcha_persistence'] = array(
    '#type' => 'radios',
    '#title' => t('Persistence'),
    '#default_value' => variable_get('captcha_persistence', CAPTCHA_PERSISTENCE_SHOW_ALWAYS),
    '#options' => array(
      CAPTCHA_PERSISTENCE_SHOW_ALWAYS => t('Always add a challenge.'),
      CAPTCHA_PERSISTENCE_SKIP_ONCE_SUCCESSFUL_PER_FORM => t('Omit challenges for a form once the user has successfully responded to a challenge for that form.'),
      CAPTCHA_PERSISTENCE_SKIP_ONCE_SUCCESSFUL => t('Omit challenges for all forms once the user has successfully responded to a challenge.'),
    ),
    '#description' => t('Define if challenges should be omitted during the rest of a session once the user successfully responses to a challenge.'),
  );

  // option for logging wrong responses
  $form['captcha_log_wrong_responses'] = array(
    '#type' => 'checkbox',
    '#title' => t('Log wrong responses'),
    '#description' => t('Report information about wrong responses to the !log.', array(
      '!log' => l(t('log'), 'admin/reports/dblog'),
    )),
    '#default_value' => variable_get('captcha_log_wrong_responses', FALSE),
  );

  // submit button
  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Save'),
  );
  $form['#submit'][] = 'captcha_admin_settings_submit';
  return $form;
}