You can't edit is on rule editor using code editor, but you can create you own custom functions to write your logic and call the function from visual editor. 

Please check if you are having all of form related bundles active.

This can be done by simply implementing FormSubmitActionService interface.import com.adobe.aemds.guide.service.FormSubmitActionService; public class CustomSubmitAction implements FormSubmitActionService You need to set a variable named as serviceName, which is required to be mapped with customActi...

I think Constructor here is executing before the Injection is completed for the properties, hence no resource resolver is being injected. That's where @PostConstruct  annotated method is useful when we want to utilize the injected objects in the processing.

create cq:htmlTag node as nt:unstructured,create property cq:tagName and leave it blank.This seems perfect solution for removing default wrapper from a component.This node can be used to set any class and to change the wrapper element.