function flexiform_flexiform_build_alter in Flexiform 7

Implements hook_flexiform_build_alter().

File

./flexiform.module, line 792

Module for the Flexiform system.

Code

function flexiform_flexiform_build_alter(&$form, &$form_state, $flexiform) {

  // Manually adding support for field_collection's
  // "field_collection_field_attach_form" hook that the
  // Flexiform builder doesn't invoke.
  foreach ($flexiform->elements as $element_namespace => $element_info) {

    // If we're not dealing with a field (i.e.: potentially a property),
    // then skip this element.
    if (!isset($element_info['field_name'])) {
      continue;
    }
    $field_name = $element_info['field_name'];
    $field = field_info_field($field_name);
    $element =& $form[$element_namespace];
    $entity_info = $flexiform->entities[$element_info['entity_namespace']];
    $entity_type = $entity_info['entity_type'];
    if ($field['type'] == 'field_collection') {
      $instance = field_info_instance($entity_type, $field_name, $entity_info['bundle']);

      // Can access the field and is target widget type?
      if (field_access('edit', $field, $entity_type) && in_array($instance['widget']['type'], array(
        'field_collection_embed',
        'field_collection_table',
      ))) {
        if (field_collection_hide_blank_items($field)) {
          $element_langcode = $element['#language'];
          if ($element[$element_langcode]['#max_delta'] > 0) {
            $element[$element_langcode]['#max_delta']--;
          }

          // Remove blank form elements and force user to explicitly add a field
          // collection if both 'hide_initial_item' and 'hide_blank_items' are TRUE.
          if ($field['settings']['hide_initial_item'] && $field['settings']['hide_blank_items'] && field_collection_item_is_empty($element[$element_langcode][0]['#entity'])) {
            _field_collection_process_children_attached($element[$element_langcode][0]);
            unset($element[$element_langcode][0]);
            unset($form_state['field']['#parents'][$field_name][$element_langcode][0]);
          }
        }
        if ($field['cardinality'] == FIELD_CARDINALITY_UNLIMITED && empty($form_state['programmed'])) {
          $element_langcode = $element['#language'];
          $element_wrapper = $element[$element_langcode]['add_more']['#ajax']['wrapper'];
          for ($i = 0; $i <= $element[$element_langcode]['#max_delta']; $i++) {
            if (isset($element[$element_langcode][$i]['remove_button'])) {
              $element[$element_langcode][$i]['remove_button']['#ajax']['wrapper'] = $element_wrapper;
            }
          }
        }
      }
    }
  }
}