function commerce_product_line_item_configuration in Commerce Core 7

Ensures the product line item type contains a product reference field.

This function is called by the line item module when it is enabled or this module is enabled. It invokes this function using the configuration_callback as specified above. Other modules defining product line item types should use this function to ensure their types have the required fields.

Parameters

$line_item_type: The info array of the line item type being configured.

File

modules/product_reference/commerce_product_reference.module, line 1260

Defines a field type for referencing products from other entities.

Code

function commerce_product_line_item_configuration($line_item_type) {
  $type = $line_item_type['type'];

  // Create the product reference field for the line item type.
  commerce_product_reference_create_instance('commerce_product', 'commerce_line_item', $type, t('Product'));

  // Look for or add a display path textfield to the product line item type.
  $field_name = 'commerce_display_path';
  commerce_activate_field($field_name);
  field_cache_clear();
  $field = field_info_field($field_name);
  $instance = field_info_instance('commerce_line_item', $field_name, $type);
  if (empty($field)) {
    $field = array(
      'field_name' => $field_name,
      'type' => 'text',
      'cardinality' => 1,
      'entity_types' => array(
        'commerce_line_item',
      ),
      'translatable' => FALSE,
      'locked' => TRUE,
    );
    $field = field_create_field($field);
  }
  if (empty($instance)) {
    $instance = array(
      'field_name' => $field_name,
      'entity_type' => 'commerce_line_item',
      'bundle' => $type,
      'label' => t('Display path'),
      'required' => TRUE,
      'settings' => array(),
      'widget' => array(
        'type' => 'text_textfield',
        'weight' => 0,
      ),
      'display' => array(
        'display' => array(
          'label' => 'hidden',
          'weight' => 0,
        ),
      ),
    );
    field_create_instance($instance);
  }
}