function ctools_export_get_schema in Chaos Tool Suite (ctools) 7

Same name and namespace in other branches

1. 6 includes/export.inc \ctools_export_get_schema()

Get the schema for a given table.

This looks for data the export subsystem needs and applies defaults so that it's easily available.

27 calls to ctools_export_get_schema()

ctools_export_crud_delete in includes/export.inc

Delete a single exportable object.

ctools_export_crud_export in includes/export.inc

Get the exported code of a single exportable object.

ctools_export_crud_import in includes/export.inc

Turn exported code into an object.

ctools_export_crud_load in includes/export.inc

Load a single exportable object.

ctools_export_crud_load_all in includes/export.inc

Load all exportable objects of a given type.

... See full list

File

includes/export.inc, line 985

Contains code to make it easier to have exportable objects.

Code

function ctools_export_get_schema($table) {
  static $drupal_static_fast;
  if (!isset($drupal_static_fast)) {
    $drupal_static_fast['cache'] =& drupal_static(__FUNCTION__);
  }
  $cache =& $drupal_static_fast['cache'];
  if (empty($cache[$table])) {
    $schema = drupal_get_schema($table);

    // If our schema isn't loaded, it's possible we're in a state where it
    // simply hasn't been cached. If we've been asked, let's force the
    // issue.
    if (!$schema || empty($schema['export'])) {

      // Force a schema reset:
      $schema = drupal_get_schema($table, TRUE);
    }
    if (!isset($schema['export'])) {
      return array();
    }
    if (empty($schema['module'])) {
      return array();
    }

    // Add some defaults.
    $schema['export'] += array(
      'key' => 'name',
      'key name' => 'Name',
      'object' => 'stdClass',
      'status' => 'default_' . $table,
      'default hook' => 'default_' . $table,
      'can disable' => TRUE,
      'identifier' => $table,
      'primary key' => !empty($schema['primary key']) ? $schema['primary key'][0] : '',
      'bulk export' => TRUE,
      'list callback' => "{$schema['module']}_{$table}_list",
      'to hook code callback' => "{$schema['module']}_{$table}_to_hook_code",
      'cache defaults' => FALSE,
      'default cache bin' => 'cache',
      'export type string' => 'type',
      'boolean' => TRUE,
    );

    // If the export definition doesn't have the "primary key" then the CRUD
    // save callback won't work.
    if (empty($schema['export']['primary key']) && user_access('administer site configuration')) {
      drupal_set_message(t('The export definition of @table is missing the "primary key" property.', array(
        '@table' => $table,
      )), 'error');
    }

    // Notes:
    // The following callbacks may be defined to override default behavior
    // when using CRUD functions:
    //
    // create callback
    // load callback
    // load multiple callback
    // load all callback
    // save callback
    // delete callback
    // export callback
    // import callback
    //
    // See the appropriate ctools_export_crud function for details on what
    // arguments these callbacks should accept. Please do not call these
    // directly, always use the ctools_export_crud_* wrappers to ensure
    // that default implementations are honored.
    $cache[$table] = $schema;
  }
  return $cache[$table];
}