function _webform_civicrm_webform_frontend_form_alter in Webform CiviCRM Integration 7

Same name and namespace in other branches

1. 6.2 webform_civicrm_forms.inc \_webform_civicrm_webform_frontend_form_alter()
2. 6 webform_civicrm_forms.inc \_webform_civicrm_webform_frontend_form_alter()
3. 7.2 webform_civicrm_forms.inc \_webform_civicrm_webform_frontend_form_alter()

Alter front-end of webforms: Called by hook_form_alter() when rendering a civicrm-enabled webform Add custom prefix. Display message. Block unknown users. Set webform default values.

1 call to _webform_civicrm_webform_frontend_form_alter()

webform_civicrm_form_alter in ./webform_civicrm.module

Implements hook_form_alter().

File

./webform_civicrm_forms.inc, line 516

Code

function _webform_civicrm_webform_frontend_form_alter(&$form) {
  civicrm_initialize();
  require_once 'api/api.php';
  $cid = $existing = 0;
  $node = $form['#node'];
  $settings = $node->webform_civicrm;
  $enabled = webform_civicrm_enabled_fields($node);

  // If this is an edit op, use the original CID to avoid confusion
  if (array_key_exists('#submission', $form)) {
    if (isset($form['#submission']->civicrm['contact_id'])) {
      $cid = $form['#submission']->civicrm['contact_id'];
      $existing = 1;
    }
  }
  if (!$cid) {

    // If user is logged in, look up the CID
    global $user;
    if ($user->uid) {
      $result = civicrm_api('uf_match', 'get', array(
        'uf_id' => $user->uid,
        'check_permissions' => FALSE,
        'version' => 3,
      ));
      $result = array_pop($result['values']);
      $cid = $result['contact_id'];
    }

    // If user is following a hashed link from CiviMail, validate it and set CID appropriately
    if (!empty($_GET['cid']) && !empty($_GET['cs'])) {
      require_once 'CRM/Contact/BAO/Contact/Utils.php';
      if (CRM_Contact_BAO_Contact_Utils::validChecksum($_GET['cid'], $_GET['cs'])) {
        $_SESSION['webform_civicrm_cid'] = $cid = $_GET['cid'];
        $_SESSION['webform_civicrm_cs'] = $_GET['cs'];
      }
    }
  }

  // Form alterations for unknown contacts
  if (!$cid) {
    $form['#prefix'] = check_markup($settings['prefix_unknown']);
    if ($settings['block_unknown_users']) {
      $form['#access'] = FALSE;
      drupal_set_message(t('Sorry, you do not have permission to access this form.'), 'warning');
    }
    return;
  }

  // Form alterations for known contacts
  $params = array(
    'contact_id' => $cid,
    'check_permissions' => FALSE,
    'version' => 3,
    'check_permission' => FALSE,
  );
  $contact = civicrm_api('contact', 'get', $params);
  $contact = array_pop($contact['values']);
  $fields = webform_civicrm_get_fields();
  $custom = FALSE;
  foreach ($fields as $id => $f) {
    if (strpos($id, 'custom') || strpos($id, 'preferred_communication_method')) {
      $custom = TRUE;
      $params[str_replace('civicrm_', 'return.', $id)] = 1;
    }
  }
  if ($custom) {
    $custom = civicrm_api('contact', 'get', $params);
    $contact = array_merge($contact, array_pop($custom['values']));
  }
  if ($settings['prefix_known']) {
    $form['#prefix'] = check_markup(webform_civicrm_replace_tokens($settings['prefix_known'], $contact));
  }

  // Do not alter form default values if this is an edit op
  if ($existing) {
    return;
  }

  // Set default values for group field
  if (isset($enabled['civicrm_groups'])) {
    $groups = civicrm_api('group_contact', 'get', array(
      'check_permissions' => FALSE,
      'version' => 3,
      'contact_id' => $cid,
    ));
    $contact['groups'] = array();
    foreach ($groups['values'] as $group) {
      $contact['groups'][] = $group['group_id'];
    }
  }

  // Recurse through FAPI array and set default values for civicrm elements
  webform_civicrm_fill_values($form['submitted'], $contact);
  if ($settings['message']) {
    webform_civicrm_set_message($settings['message'], $contact);
  }
}