'textfield',
'#title' => t('Public Key'),
'#default_value' => variable_get('recaptcha_public_key', ''),
'#maxlength' => 40,
'#description' => t('The public key given to you when you registered at reCAPTCHA.net.', array('@url' => url(recaptcha_get_signup_url($_SERVER['SERVER_NAME'], variable_get('site_name', ''))))),
'#required' => TRUE,
);
$form['recaptcha_private_key'] = array(
'#type' => 'textfield',
'#title' => t('Private Key'),
'#default_value' => variable_get('recaptcha_private_key', ''),
'#maxlength' => 40,
'#description' => t('The private key given to you when you registered at reCAPTCHA.net.', array('@url' => url(recaptcha_get_signup_url($_SERVER['SERVER_NAME'], variable_get('site_name', ''))))),
'#required' => TRUE,
);
$form['recaptcha_secure_connection'] = array(
'#type' => 'checkbox',
'#title' => t('Secure Connection'),
'#default_value' => variable_get('recaptcha_secure_connection', FALSE),
'#description' => t('Connect to the reCAPTCHA server using a secure connection.'),
);
$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_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,
);
$form['recaptcha_theme_settings']['recaptcha_tabindex'] = array(
'#type' => 'textfield',
'#title' => t('Tab Index'),
'#description' => t('Sets a tabindex for the reCAPTCHA text box. If other elements in the form use a tabindex, this should be set so that navigation is easier for the user.', array('@tabindex' => 'http://www.w3.org/TR/html4/interact/forms.html#adef-tabindex')),
'#default_value' => variable_get('recaptcha_tabindex', ''),
'#size' => 4,
);
return system_settings_form($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.'));
}
}