public function wf_crm_webform_preprocess::alterForm in Webform CiviCRM Integration 7.4

Same name and namespace in other branches

1. 7.5 includes/wf_crm_webform_preprocess.inc \wf_crm_webform_preprocess::alterForm()

Alter front-end of webforms: Called by hook_form_alter() when rendering a civicrm-enabled webform Add custom prefix. Display messages. Block users who should not have access. Set webform default values.

File

includes/wf_crm_webform_preprocess.inc, line 38

Class

wf_crm_webform_preprocess

Code

public function alterForm() {

  // Add css & js
  $this
    ->addResources();

  // Add validation handler
  $this->form['#validate'][] = 'wf_crm_validate';

  // If this form is already in-process, IDs will be stored
  if (!empty($this->form_state['civicrm'])) {
    $this->ent = $this->form_state['civicrm']['ent'];
  }
  $submitted_contacts = array();

  // Keep track of cids across multipage forms
  if (!empty($this->form_state['values']['submitted']) && wf_crm_aval($this->form_state, 'webform:page_count') > 1) {
    foreach ($this->enabled as $k => $v) {
      if (substr($k, -8) == 'existing' && isset($this->form_state['values']['submitted'][$v])) {
        list(, $c) = explode('_', $k);
        $val = $this->form_state['values']['submitted'][$v];
        $cid_data["cid{$c}"] = $this->ent['contact'][$c]['id'] = (int) (is_array($val) ? $val[0] : $val);
        $submitted_contacts[$c] = TRUE;
      }
    }
    if (!empty($cid_data)) {
      $this->form['#attributes']['data-civicrm-ids'] = json_encode($cid_data);
    }
  }

  // Early return if the form (or page) was already submitted
  if (wf_crm_aval($this->form_state, 'triggering_element:#id') == 'edit-previous' || empty($this->form_state['rebuild']) && !empty($this->form_state['storage']) && empty($this->form['#submission']->is_draft) || !empty($this->form['#submission']->is_draft) && empty($this->form_state['input'])) {
    $this
      ->fillForm($this->form['submitted']);
    return;
  }

  // If this is an edit op, use the original IDs and return
  if (isset($this->form['#submission']->sid) && $this->form['#submission']->is_draft != '1') {
    if (isset($this->form['#submission']->civicrm)) {
      $this->form_state['civicrm']['ent'] = $this->form['#submission']->civicrm;
      foreach ($this->form_state['civicrm']['ent']['contact'] as $c => $contact) {
        $this->info['contact'][$c]['contact'][1]['existing'] = wf_crm_aval($contact, 'id', 0);
      }
    }
    $this
      ->fillForm($this->form['submitted']);
    return;
  }

  // Search for existing contacts
  for ($c = 1; $c <= count($this->data['contact']); ++$c) {
    $this->ent['contact'][$c] = wf_crm_aval($this->ent, "contact:{$c}", array());
    $existing_component = $this
      ->getComponent("civicrm_{$c}_contact_1_contact_existing");

    // Search for contact if the user hasn't already chosen one
    if ($existing_component && empty($submitted_contacts[$c])) {
      $this
        ->findContact($existing_component);
    }

    // Fill cid with '0' if unknown
    $this->ent['contact'][$c] += array(
      'id' => 0,
    );
  }

  // Search for other existing entities
  if (empty($this->form_state['civicrm'])) {
    if (!empty($this->data['case']['number_of_case'])) {
      $this
        ->findExistingCases();
    }
    if (!empty($this->data['activity']['number_of_activity'])) {
      $this
        ->findExistingActivities();
    }
    if (isset($this->data['grant']['number_of_grant'])) {
      $this
        ->findExistingGrants();
    }
  }

  // Check if contact reload required: for case roles
  for ($c = 1; $c <= count($this->data['contact']); ++$c) {
    if (isset($this->ent['contact'][$c]['reload'])) {
      $existing_component = $this
        ->getComponent("civicrm_{$c}_contact_1_contact_existing");
      $this->ent['contact'][$c]['id'] = 0;
      $this
        ->findContact($existing_component);
    }
  }

  // Form alterations for unknown contacts
  if (empty($this->ent['contact'][1]['id'])) {
    if ($this->settings['prefix_unknown']) {
      $this->form['#prefix'] = wf_crm_aval($this->form, '#prefix', '') . '<div class="webform-civicrm-prefix contact-unknown">' . nl2br($this->settings['prefix_unknown']) . '</div>';
    }
    if ($this->settings['block_unknown_users']) {
      $this->form['submitted']['#access'] = $this->form['actions']['#access'] = FALSE;
      $this
        ->setMessage(t('Sorry, you do not have permission to access this form.'), 'warning');
      return;
    }
  }
  if (!empty($this->data['participant_reg_type'])) {
    $this
      ->populateEvents();
  }

  // Form alterations for known contacts
  foreach ($this->ent['contact'] as $c => $contact) {
    if (!empty($contact['id'])) {

      // Retrieve contact data
      $this->info['contact'][$c] = $this
        ->loadContact($c);
      $this->info['contact'][$c]['contact'][1]['existing'] = $contact['id'];

      // Retrieve participant data
      if ($this->events && ($c == 1 || $this->data['participant_reg_type'] == 'separate')) {
        $this
          ->loadParticipants($c);
      }

      // Membership
      if (!empty($this->data['membership'][$c]['number_of_membership'])) {
        $this
          ->loadMemberships($c, $contact['id']);
      }
    }

    // Load events from url if enabled, this will override loadParticipants
    if (!empty($this->data['reg_options']['allow_url_load'])) {
      $this
        ->loadURLEvents($c);
    }
  }

  // Prefill other existing entities
  foreach (array(
    'case',
    'activity',
    'grant',
  ) as $entity) {
    if (!empty($this->ent[$entity])) {
      $this
        ->populateExistingEntity($entity);
    }
  }
  if (!empty($this->ent['contact'][1]['id'])) {
    if ($this->settings['prefix_known']) {
      $this->form['#prefix'] = wf_crm_aval($this->form, '#prefix', '') . '<div class="webform-civicrm-prefix contact-known">' . nl2br($this
        ->replaceTokens($this->settings['prefix_known'], $this->info['contact'][1]['contact'][1])) . '</div>';
    }
    if ($this->settings['message']) {
      $this
        ->showNotYouMessage($this->settings['message'], $this->info['contact'][1]['contact'][1]);
    }
  }

  // Store ids
  $this->form_state['civicrm']['ent'] = $this->ent;

  // Set default values and other attributes for CiviCRM form elements
  // Passing $submitted helps avoid overwriting values that have been entered on a multi-step form
  $submitted = wf_crm_aval($this->form_state, 'values:submitted', array());
  $this
    ->fillForm($this->form['submitted'], $submitted);
}