danielebarchiesi@2: <?php
danielebarchiesi@2: 
danielebarchiesi@2: /**
danielebarchiesi@2:  * @file
danielebarchiesi@2:  * Provides the reCAPTCHA administration settings.
danielebarchiesi@2:  */
danielebarchiesi@2: 
danielebarchiesi@2: /**
danielebarchiesi@2:  * Form callback; administrative settings for reCaptcha.
danielebarchiesi@2:  */
danielebarchiesi@2: function recaptcha_admin_settings() {
danielebarchiesi@2:   // Load the recaptcha library.
danielebarchiesi@2:   _recaptcha_load_library();
danielebarchiesi@2: 
danielebarchiesi@2:   $form = array();
danielebarchiesi@2:   $form['recaptcha_public_key'] = array(
danielebarchiesi@2:     '#type' => 'textfield',
danielebarchiesi@2:     '#title' => t('Public Key'),
danielebarchiesi@2:     '#default_value' => variable_get('recaptcha_public_key', ''),
danielebarchiesi@2:     '#maxlength' => 40,
danielebarchiesi@2:     '#description' => t('The public key given to you when you <a href="@url" target="_blank">registered at reCAPTCHA.net</a>.', array('@url' => url(recaptcha_get_signup_url($_SERVER['SERVER_NAME'], variable_get('site_name', ''))))),
danielebarchiesi@2:     '#required' => TRUE,
danielebarchiesi@2:   );
danielebarchiesi@2:   $form['recaptcha_private_key'] = array(
danielebarchiesi@2:     '#type' => 'textfield',
danielebarchiesi@2:     '#title' => t('Private Key'),
danielebarchiesi@2:     '#default_value' => variable_get('recaptcha_private_key', ''),
danielebarchiesi@2:     '#maxlength' => 40,
danielebarchiesi@2:     '#description' => t('The private key given to you when you <a href="@url" target="_blank">registered at reCAPTCHA.net</a>.', array('@url' => url(recaptcha_get_signup_url($_SERVER['SERVER_NAME'], variable_get('site_name', ''))))),
danielebarchiesi@2:     '#required' => TRUE,
danielebarchiesi@2:   );
danielebarchiesi@2:   $form['recaptcha_ajax_api'] = array(
danielebarchiesi@2:     '#type' => 'checkbox',
danielebarchiesi@2:     '#title' => t('AJAX API'),
danielebarchiesi@2:     '#default_value' => variable_get('recaptcha_ajax_api', FALSE),
danielebarchiesi@2:     '#description' => t('Use the AJAX API to display reCAPTCHA.'),
danielebarchiesi@2:   );
danielebarchiesi@2:   $form['recaptcha_nocookies'] = array(
danielebarchiesi@2:     '#type' => 'checkbox',
danielebarchiesi@2:     '#title' => t('Disable Client-Side Cookies'),
danielebarchiesi@2:     '#default_value' => variable_get('recaptcha_nocookies', FALSE),
danielebarchiesi@2:     '#description' => t('Add flag to disable third-party cookies set by reCAPTCHA.'),
danielebarchiesi@2:   );
danielebarchiesi@2:   $form['recaptcha_theme_settings'] = array(
danielebarchiesi@2:     '#type' => 'fieldset',
danielebarchiesi@2:     '#title' => t('Theme Settings'),
danielebarchiesi@2:     '#collapsible' => TRUE,
danielebarchiesi@2:     '#collapsed' => TRUE,
danielebarchiesi@2:   );
danielebarchiesi@2:   $form['recaptcha_theme_settings']['recaptcha_theme'] = array(
danielebarchiesi@2:     '#type' => 'select',
danielebarchiesi@2:     '#title' => t('Theme'),
danielebarchiesi@2:     '#description' => t('Defines which theme to use for reCAPTCHA.'),
danielebarchiesi@2:     '#options' => array(
danielebarchiesi@2:       'red' => t('Red'),
danielebarchiesi@2:       'white' => t('White'),
danielebarchiesi@2:       'blackglass' => t('Black Glass'),
danielebarchiesi@2:       'clean' => t('Clean'),
danielebarchiesi@2:       'custom' => t('Custom'),
danielebarchiesi@2:     ),
danielebarchiesi@2:     '#default_value' => variable_get('recaptcha_theme', 'red'),
danielebarchiesi@2:     '#required' => TRUE,
danielebarchiesi@2:   );
danielebarchiesi@2:   $form['recaptcha_theme_settings']['recaptcha_tabindex'] = array(
danielebarchiesi@2:     '#type' => 'textfield',
danielebarchiesi@2:     '#title' => t('Tab Index'),
danielebarchiesi@2:     '#description' => t('Sets a <a href="@tabindex" target="_blank">tabindex</a> for the reCAPTCHA text box. If other elements in the form use a tabindex, this should be set so that navigation is easier for the user.', array('@tabindex' => 'http://www.w3.org/TR/html4/interact/forms.html#adef-tabindex')),
danielebarchiesi@2:     '#default_value' => variable_get('recaptcha_tabindex', ''),
danielebarchiesi@2:     '#size' => 4,
danielebarchiesi@2:   );
danielebarchiesi@2: 
danielebarchiesi@2:   return system_settings_form($form);
danielebarchiesi@2: }
danielebarchiesi@2: 
danielebarchiesi@2: /**
danielebarchiesi@2:  * Validation function for recaptcha_admin_settings().
danielebarchiesi@2:  *
danielebarchiesi@2:  * @see recaptcha_admin_settings()
danielebarchiesi@2:  */
danielebarchiesi@2: function recaptcha_admin_settings_validate($form, &$form_state) {
danielebarchiesi@2:   $tabindex = $form_state['values']['recaptcha_tabindex'];
danielebarchiesi@2:   if (!empty($tabindex) && !is_numeric($tabindex)) {
danielebarchiesi@2:     form_set_error('recaptcha_tabindex', t('The Tab Index must be an integer.'));
danielebarchiesi@2:   }
danielebarchiesi@2: }