+
+/**
+ * Defines the backup step for advanced grading methods attached to the activity module
+ */
+class backup_activity_grading_structure_step extends backup_structure_step {
+
+ /**
+ * Include the grading.xml only if the module supports advanced grading
+ */
+ protected function execute_condition() {
+ return plugin_supports('mod', $this->get_task()->get_modulename(), FEATURE_ADVANCED_GRADING, false);
+ }
+
+ /**
+ * Declares the gradable areas structures and data sources
+ */
+ protected function define_structure() {
+
+ // To know if we are including userinfo
+ $userinfo = $this->get_setting_value('userinfo');
+
+ // Define the elements
+
+ $areas = new backup_nested_element('areas');
+
+ $area = new backup_nested_element('area', array('id'), array(
+ 'areaname', 'activemethod'));
+
+ $definitions = new backup_nested_element('definitions');
+
+ $definition = new backup_nested_element('definition', array('id'), array(
+ 'method', 'name', 'description', 'descriptionformat', 'status',
+ 'timecreated', 'timemodified', 'options'));
+
+ $instances = new backup_nested_element('instances');
+
+ $instance = new backup_nested_element('instance', array('id'), array(
+ 'raterid', 'itemid', 'rawgrade', 'status', 'feedback',
+ 'feedbackformat', 'timemodified'));
+
+ // Build the tree including the method specific structures
+ // (beware - the order of how gradingform plugins structures are attached is important)
+ $areas->add_child($area);
+ $area->add_child($definitions);
+ $definitions->add_child($definition);
+ $this->add_plugin_structure('gradingform', $definition, true);
+ $definition->add_child($instances);
+ $instances->add_child($instance);
+ $this->add_plugin_structure('gradingform', $instance, false);
+
+ // Define data sources
+
+ $area->set_source_table('grading_areas', array('contextid' => backup::VAR_CONTEXTID,
+ 'component' => array('sqlparam' => 'mod_'.$this->get_task()->get_modulename())));
+
+ $definition->set_source_table('grading_definitions', array('areaid' => backup::VAR_PARENTID));
+
+ if ($userinfo) {
+ $instance->set_source_table('grading_instances', array('formid' => backup::VAR_PARENTID));
+ }
+
+ // Annotate references
+ $definition->annotate_files('grading', 'description', 'id');
+ $instance->annotate_ids('user', 'raterid');
+
+ // Return the root element
+ return $areas;
+ }
+}
+
+
