function relation_entity_collector_validate in Relation 7

Validate form submission for the entity_collector.

File

relation_entity_collector/relation_entity_collector.module, line 319

Relation Entity Collector Block.

Code

function relation_entity_collector_validate($form, &$form_state) {
  switch ($form_state['triggering_element']['#value']) {
    case t('Pick'):

      // Require values.
      $relation_type = $form_state['values']['relation_type'];
      $entity_key = $form_state['values']['entity_key'];
      $errors = FALSE;
      if (empty($relation_type)) {
        form_set_error('relation_type', t('Please select a relation type.'));
        $errors = TRUE;
      }
      if (empty($entity_key)) {
        form_set_error('entity_key', t('Please select an entity.'));
        $errors = TRUE;
      }

      // If either of these are not selected we can not continue.
      if ($errors) {
        return;
      }

      // Get entity info from key ('{entity_type}:{entity_id}').
      list($entity_type, $entity_id) = explode(':', $entity_key);

      // Add the label for later display. #options is check_plain'd but we need
      // to do that ourselves.
      $entity_label = check_plain($form['entity_picker']['entity_key']['#options'][$entity_key]);

      // Indexes are added in ascending order, starting from 0.
      $_SESSION += array(
        'relation_entity_keys' => array(),
      );
      $next_index = count($_SESSION['relation_entity_keys']);

      // If validation succeeds we will add this in the submit handler.
      $form_state['pick'] = array(
        'r_index' => $next_index,
        'entity_key' => $entity_key,
        'entity_label' => $entity_label,
        'entity_type' => $entity_type,
        'entity_id' => $entity_id,
      );
      $endpoints = $_SESSION['relation_entity_keys'];
      $endpoints[] = $form_state['pick'];
      $relation = _relation_entity_collector_get_entity($form_state['values']['relation_type'], $endpoints);
      $relation->in_progress = TRUE;
      _relation_entity_collector_endpoints_validate($relation, $form, $form_state);
      break;
    case t('Save relation'):
      _relation_entity_collector_endpoints_validate(_relation_entity_collector_get_entity(), $form, $form_state);
      break;
  }
}