Excell like controls (enter to next row, paste 4 rows in a rg etc.)

Hi.
i have a repeating group which has column style input elements.
i want to have excell like controls on table because it is most common user behaivour when working on a table.

how can i archive copy’in multiple columns and rows and pasting like you do in excell.
also how to focus on next rg elements same column when user pressed enter?