This was the old line number [tag].
', * '#new' => 'This is the new line [tag].
', * ), * 'rendered' => array( * '#old' => 'This was the old line number 57.
', * '#new' => 'This is the new line 57.
', * ), * ), * ); * * For backwards compatibility, no changes are required to support states, * but it is recommended to provide a better UI for end users. * * For example, the following example is equivalent to returning the raw * state from the example above. * * $results['line'] = array( * '#name' => t('Line'), * '#old' => 'This was the old line number [tag].
', * '#new' => 'This is the new line [tag].
', * ); */ function hook_entity_diff($old_entity, $new_entity, $context) { $results = array(); if ($context['entity_type'] == 'node') { $type = node_type_get_type($new_entity); $results['title'] = array( '#name' => $type->title_label, '#old' => array($old_entity->title), '#new' => array($new_entity->title), '#weight' => -5, '#settings' => array( 'show_header' => FALSE, ), ); } return $results; } /** * Allow modules to alter a comparison about entities. * * @param array $entity_diffs * An array of entity differences. * @param array $context * An associative array containing: * - entity_type: The entity type; e.g., 'node' or 'user'. * - old_entity: The older entity. * - new_entity: The newer entity. * - view_mode: The view mode to use. Defaults to FALSE. * * @see hook_entity_diff() */ function hook_entity_diff_alter(&$entity_diffs, $context) { if ($context['entity_type'] == 'node') { $old_entity = $context['old_entity']; $new_entity = $context['new_entity']; $entity_diffs['custom_vid'] = array( '#name' => t('Second VID'), '#old' => array($old_entity->vid), '#new' => array($new_entity->vid), '#weight' => 5, ); $entity_diffs['custom_log'] = array( '#name' => t('Second log'), '#old' => array($old_entity->log), '#new' => array($new_entity->log), '#weight' => 6, ); } } /** * Callback to the module that defined the field to prepare items comparison. * * This allows the module to alter all items prior to rendering the comparative * values. It is mainly used to bulk load entities to reduce overheads * associated with loading entities individually. * * @param array $old_items * An array of field items from the older revision. * @param array $new_items * An array of field items from the newer revision. * @param array $context * An associative array containing: * - entity_type: The entity type; e.g., 'node' or 'user'. * - bundle: The bundle name. * - field: The field that the items belong to. * - instance: The instance that the items belong to. * - language: The language associated with $items. * - old_entity: The older entity. * - new_entity: The newer entity. * * @see MODULE_field_diff_view() */ function MODULE_field_diff_view_prepare(&$old_items, &$new_items, $context) { $fids = array(); foreach (array_merge_recursive($old_items, $new_items) as $info) { $fids[$info['fid']] = $info['fid']; } // A single load is much faster than individual loads. $files = file_load_multiple($fids); // For ease of processing, store a reference of the entity on the item array. foreach ($old_items as $delta => $info) { $old_items[$delta]['file'] = isset($files[$info['fid']]) ? $files[$info['fid']] : NULL; } foreach ($new_items as $delta => $info) { $new_items[$delta]['file'] = isset($files[$info['fid']]) ? $files[$info['fid']] : NULL; } } /** * Callback to the module that defined the field to generate items comparisons. * * @param array $items * An array of field items from the entity. * @param array $context * An associative array containing: * - entity: The entity being compared. * - entity_type: The entity type; e.g., 'node' or 'user'. * - bundle: The bundle name. * - field: The field that the items belong to. * - instance: The instance that the items belong to. * - language: The language associated with $items. * - old_entity: The older entity. * - new_entity: The newer entity. * * @see MODULE_field_diff_view_prepare() */ function MODULE_field_diff_view($items, $context) { $diff_items = array(); foreach ($items as $delta => $item) { if (isset($item['file'])) { $diff_items[$delta] = $item['file']->filename . ' [fid: ' . $item['fid'] . ']'; } } return $diff_items; } /** * Allow other modules to interact with MODULE_field_diff_view_prepare(). * * @param array $old_items * An array of field items from the older revision. * @param array $new_items * An array of field items from the newer revision. * @param array $context * An associative array containing: * - entity_type: The entity type; e.g., 'node' or 'user'. * - bundle: The bundle name. * - field: The field that the items belong to. * - instance: The instance that the items belong to. * - language: The language associated with $items. * - old_entity: The older entity. * - new_entity: The newer entity. * * @see MODULE_field_diff_view_prepare() */ function hook_field_diff_view_prepare_alter($old_items, $new_items, $context) { } /** * Allow other modules to interact with MODULE_field_diff_view(). * * @param array $values * An array of field items from the entity ready for comparison. * @param array $items * An array of field items from the entity. * @param array $context * An associative array containing: * - entity: The entity being compared. * - entity_type: The entity type; e.g., 'node' or 'user'. * - bundle: The bundle name. * - field: The field that the items belong to. * - instance: The instance that the items belong to. * - language: The language associated with $items. * - old_entity: The older entity. * - new_entity: The newer entity. * * @see MODULE_field_diff_view() */ function hook_field_diff_view_alter($values, $items, $context) { } /** * @} End of "addtogroup hooks". */