Added definition() for subplugins to extend from_step_instance

classes/form_step_instance.php

@@ -98,6 +98,9 @@ class form_step_instance extends \moodleform {
             $stepmanager->get_step_instances());
         $mform->setType($elementname, PARAM_TEXT);
 
+        // Insert the subplugin specific settings.
+        $this->lib->extend_add_instance_form_definition($mform);
+
         $this->add_action_buttons();
     }
 
@@ -119,6 +122,9 @@ class form_step_instance extends \moodleform {
         $mform->setDefault('subpluginnamestatic',
             get_string('pluginname', 'cleanupcoursesstep_' . $subpluginname));
         $mform->setDefault('subpluginname', $subpluginname);
+
+        // Insert the subplugin specific settings.
+        $this->lib->extend_add_instance_form_definition_after_data($mform);
     }
 
 }

step/lib.php

@@ -75,6 +75,22 @@ abstract class base {
         return $settingsvalues;
     }
 
+    /**
+     * This method can be overriden, to add form elements to the form_step_instance.
+     * It is called in definition().
+     * @param \MoodleQuickForm $mform
+     */
+    public function extend_add_instance_form_definition($mform) {
+    }
+
+    /**
+     * This method can be overriden, to set default values to the form_step_instance.
+     * It is called in definition_after_data().
+     * @param \MoodleQuickForm $mform
+     */
+    public function extend_add_instance_form_definition_after_data($mform) {
+    }
+
 }
 
 class instance_setting {