protected function CommerceProductInlineEntityFormController::attributes in Inline Entity Form 7

Returns a list of field names that are used as attributes for the given product type.

3 calls to CommerceProductInlineEntityFormController::attributes()

CommerceProductInlineEntityFormController::entityForm in includes/commerce_product.inline_entity_form.inc

Overrides EntityInlineEntityFormController::entityForm().

CommerceProductInlineEntityFormController::save in includes/commerce_product.inline_entity_form.inc

Overrides EntityInlineEntityFormController::save().

CommerceProductInlineEntityFormController::tableFields in includes/commerce_product.inline_entity_form.inc

Overrides EntityInlineEntityFormController::tableFields().

File

includes/commerce_product.inline_entity_form.inc, line 305

Defines the inline entity form controller for Commerce Products.

Class

CommerceProductInlineEntityFormController

@file Defines the inline entity form controller for Commerce Products.

Code

protected function attributes($type) {

  // Attributes are tied to the commerce_cart module.
  if (!module_exists('commerce_cart')) {
    return array();
  }
  $attributes = array();

  // Loop through all the field instances on that product type.
  foreach (field_info_instances('commerce_product', $type) as $name => $instance) {

    // A field qualifies if it is single value, required and uses a widget
    // with a definite set of options. For the sake of simplicity, this is
    // currently restricted to fields defined by the options module.
    $field = field_info_field($instance['field_name']);

    // Get the array of Cart settings pertaining to this instance.
    $commerce_cart_settings = commerce_cart_field_instance_attribute_settings($instance);

    // If the instance is of a field type that is eligible to function as
    // a product attribute field and if its attribute field settings
    // specify that this functionality is enabled...
    if (commerce_cart_field_attribute_eligible($field) && $commerce_cart_settings['attribute_field']) {
      $attributes[$name] = array(
        'field' => $field,
        'instance' => $instance,
        'weight' => $instance['widget']['weight'],
      );
    }
  }

  // Sort the fields by weight.
  uasort($attributes, 'drupal_sort_weight');
  return $attributes;
}