function _webform_civicrm_webform_frontend_form_alter in Webform CiviCRM Integration 6

Same name and namespace in other branches

1. 6.2 webform_civicrm_forms.inc \_webform_civicrm_webform_frontend_form_alter()
2. 7 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

Implementation of hook_form_alter().

File

./webform_civicrm_forms.inc, line 519

Code

function _webform_civicrm_webform_frontend_form_alter(&$form) {
  civicrm_initialize();
  $cid = 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 (!empty($form['#submission'])) {
    $submission = $form['#submission'];
    $cid = $submission->civicrm['contact_id'];
  }
  else {

    // If user is logged in, look up the CID
    global $user;
    if ($user->uid) {
      require_once 'CRM/Core/BAO/UFMatch.php';
      $cid = CRM_Core_BAO_UFMatch::getContactId($user->uid);
    }
    elseif (!empty($_GET['cs']) && !empty($_GET['cid'])) {
      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'] = filter_filter('process', 1, NULL, $settings['prefix_unknown']);
    if ($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
  require_once 'api/v2/Contact.php';
  $params = array(
    'contact_id' => $cid,
  );
  $contact = civicrm_contact_get($params);
  $fields = webform_civicrm_get_fields();
  foreach ($fields as $id => $f) {
    if (strpos($id, 'custom') || strpos($id, 'preferred_communication_method')) {
      $params[str_replace('civicrm_', 'return.', $id)] = 1;
    }
  }
  $custom = civicrm_contact_get($params);
  $contact = array_merge($contact[$cid], $custom[$cid]);
  $form['#prefix'] = filter_filter('process', 1, NULL, webform_civicrm_replace_tokens($settings['prefix_known'], $contact));

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

  // Some translation of array key strings is necessary due to irregulatities in CiviCRM API v2
  $contact_info = array();
  foreach ($enabled as $id => $val) {
    $new_id = str_replace(array(
      'civicrm_',
      'prefix',
      'suffix',
    ), array(
      '',
      'individual_prefix',
      'individual_suffix',
    ), $id);
    if (isset($contact[$new_id])) {
      $contact_info[$id] = $contact[$new_id];
    }
  }

  // Set default values for group field
  if (!empty($enabled['civicrm_groups'])) {
    require_once 'api/v2/GroupContact.php';
    $params = array(
      'contact_id' => $cid,
    );
    $groups = civicrm_group_contact_get($params);
    $contact_info['civicrm_groups'] = array();
    foreach ($groups as $group) {
      $contact_info['civicrm_groups'][] = $group['group_id'];
    }
  }

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