function fb_connect_form_alter in Drupal for Facebook 6.2

Same name and namespace in other branches

1. 5.2 fb_connect.module \fb_connect_form_alter()
2. 6.3 fb_connect.module \fb_connect_form_alter()
3. 7.3 fb_connect.module \fb_connect_form_alter()

File

./fb_connect.module, line 636

Support for Facebook Connect features

Code

function fb_connect_form_alter(&$form, &$form_state, $form_id) {

  // Add our settings to the fb_app edit form.
  if (isset($form['fb_app_data'])) {
    $fb_app = $form['#fb_app'];
    $fb_app_data = fb_get_app_data($fb_app);
    $fb_connect_data = $fb_app_data['fb_connect'];
    $form['fb_app_data']['fb_connect'] = array(
      '#type' => 'fieldset',
      '#title' => 'Facebook Connect',
      '#tree' => TRUE,
      '#collapsible' => TRUE,
      '#collapsed' => $node->label ? TRUE : FALSE,
    );

    // "Primary" will be initialized on every non-canvas page.
    $primary_label = variable_get(FB_CONNECT_VAR_PRIMARY, NULL);
    $form['fb_app_data']['fb_connect']['primary'] = array(
      '#type' => 'checkbox',
      '#title' => t('Primary'),
      '#description' => t('Initialize fbConnect javascript on all (non-canvas) pages.  If this site supports multiple Facebook Apps, this may be checked for at most one.'),
      '#default_value' => isset($fb_app->label) && $primary_label == $fb_app->label,
    );
    if ($primary_label && $primary_label != $fb_app->label) {
      $form['fb_app_data']['fb_connect']['primary']['#description'] .= '<br/>' . t('Note that checking this will replace %app as the primary Facebook Connect app.', array(
        '%app' => $primary_label,
      ));
    }
    $form['#submit'][] = 'fb_connect_app_submit';
  }

  // Add button to login form.
  if (($form_id == 'user_login_block' || $form_id == 'user_login') && !fb_is_fbml_canvas()) {
    if ($app_label = variable_get(FB_CONNECT_VAR_LOGIN, NULL)) {
      $fb_app = fb_get_app(array(
        'label' => $app_label,
      ));

      // Render connect link if not connected already.
      if ($fb = fb_connect_app_init($fb_app) && !fb_facebook_user($fb)) {

        // Ensure that facebook javascript is in the page closure.
        fb_connect_require_feature('XFBML', $fb_app);
        fb_connect_init_option('ifUserConnected', "{FB_Connect.on_connected}", $fb_app);
        fb_connect_init_option('ifUserNotConnected', "{FB_Connect.on_not_connected}", $fb_app);

        // Add button to the form.
        // @TODO - make markup customizable.
        $form['fb_connect_button'] = array(
          '#type' => 'markup',
          '#value' => '<fb:login-button v="2"><fb:intl>Connect with Facebook</fb:intl></fb:login-button>',
          '#prefix' => '<div class="form-item" id="fb-connect-button">',
          '#suffix' => '</div>',
          '#weight' => 4,
        );
      }
    }
    if ($form_id == 'user_login') {

      // On login, we must leave the user/login page or else get access denied.
      drupal_add_js(array(
        'fb_connect' => array(
          'destination' => url('user'),
        ),
      ), 'setting');
    }
  }
}