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<?php
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/**
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* @file
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* Provides Features integration for the Rules module.
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*
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* This code is based upon the features integration provided by the Entity API.
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*/
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/**
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* Controller handling the features integration.
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*/
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class RulesFeaturesController extends EntityDefaultFeaturesController {
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/**
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* Defines the result for hook_features_api().
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*/
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public function api() {
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$info = parent::api();
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$info['rules_config']['default_file'] = FEATURES_DEFAULTS_CUSTOM;
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$info['rules_config']['default_filename'] = 'rules_defaults';
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return $info;
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}
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/**
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* Generates the result for hook_features_export().
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*
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* Overridden to add in rules-specific stuff.
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*/
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public function export($data, &$export, $module_name = '') {
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$pipe = parent::export($data, $export, $module_name);
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foreach (entity_load_multiple_by_name($this->type, $data) as $name => $rules_config) {
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// Add in the dependencies.
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$export['dependencies'] += drupal_map_assoc($rules_config->dependencies());
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// Add in plugin / element specific additions.
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$iterator = new RecursiveIteratorIterator($rules_config, RecursiveIteratorIterator::SELF_FIRST);
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foreach ($iterator as $element) {
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if ($element->facesAs('RulesPluginFeaturesIntegrationInterface')) {
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// Directly use __call() so we can pass $export by reference.
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$element->__call('features_export', array(&$export, &$pipe, $module_name));
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}
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}
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}
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return $pipe;
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}
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}
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/**
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* Default extension callback used as default for the abstract plugin class.
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*
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* Actions and conditions may override this with an implementation which
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* actually does something.
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*
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* @see RulesPluginFeaturesIntegrationInterface
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*/
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function rules_features_abstract_default_features_export(&$export, &$pipe, $module_name = '', $element) {
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// Do nothing.
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}
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/**
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* Interface to give features access to the faces extensions mechanism.
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*
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* Interface that allows rules plugins or actions/conditions to customize the
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* features export by implementing the interface using the faces extensions
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* mechanism.
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*
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* @see hook_rules_plugin_info()
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* @see hook_rules_action_info()
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*/
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interface RulesPluginFeaturesIntegrationInterface {
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/**
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* Allows customizing the features export for a given rule element.
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*/
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public function features_export(&$export, &$pipe, $module_name = '');
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}
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/**
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* Interface for backwards compatibility with older versions of Rules.
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*
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* Mis-spelled interface provided so that contributed modules which were
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* implementing the wrong spelling (corrected in Rules 7.x-2.12) will not stop
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* working now that the interface is spelled correctly.
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*
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* @todo Remove this when we can be sure that no contributed modules are
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* still using the wrong spelling.
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*/
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interface RulesPluginFeaturesIntegrationInterace extends RulesPluginFeaturesIntegrationInterface {
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}
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