How to create a simple graphical application for building a directory structure tree?

Question

linux

We need a simple graphical application that will have a button to download the catalog. Once a directory is loaded into the application, it will visualize the entire structure of that folder, including files and other folders, in a tree view. Approximately as in text editors sublime, atom, but more visually and this is the main purpose of the application. under linux. What language and framework to use to create the interface?

Answer 1

It's purely a creative process. Of course, the easiest way would be to use html + js + css (classic), at least outline it there)
In general, Google, I think I've already seen this somewhere. And another tip: first sketch in paint what you want at the exit)