Can we apply grouping in a virtual detail based on column value ?
Can you describe more precisely what you`re trying to achieve. Screenshots and pictures will be very helpful in that case.
We are trying to get a Grid like the attached screenshot.
In that case you should analyze the realisation of project structure detail on project page. http://prntscr.com/mtgbvn
The code of the detail lies in "ProjectStructureDetailV2" client module. The idea is to find out how it works and create something similar.
Also I have found this application on marketplace, you can try it to understand if it suits for your purposes: