function entityreference_dragdrop_get_available_options in Entity Reference Drag & Drop 7

Returns available options.

1 call to entityreference_dragdrop_get_available_options()

entityreference_dragdrop_field_widget_form in ./entityreference_dragdrop.module

Implements hook_field_widget_form().

File

./entityreference_dragdrop.module, line 185

Provides a Drag & Drop widget for entity-reference fields.

Code

function entityreference_dragdrop_get_available_options($items, $options) {

  // Build an array of available items in id => label format.
  $available = array();
  foreach ($options as $bundle => $entities) {
    foreach ($entities as $id => $label) {
      $is_available = TRUE;
      foreach ($items as $item) {
        if ($id == $item['target_id']) {
          $is_available = FALSE;
        }
      }
      if ($is_available) {
        $available[$id] = $label;
      }
    }
  }
  return $available;
}