Primefaces datatable roweditor: only permit one row editing

Question

I\'m working with JSF 2.1.6 and Primefaces 3.4.1 and I have a question.

I have an editable datatable with row editor. You can click the pencil button of each row, an

Answer 1

The above solution is not working for me. As an alternativ solution, I just hide the edit-button (pencil) when I'm editing a row with css