JComboBox fails to expand in JTable TableHeader

Question

I have read through the majority of the JTable/JComboBox responses to other questions of this ilk, but haven\'t yet found a solution to my problem.

I have created a

Answer 1

This actually works exactly as expected. I think the clue is TableCellRenderer.

Renderer's are typically non-interactive components. They are usually just a "snap-shot" of the component painted on to a surface and there is typically no way for a user to interact with them.

This is the expected behavior.

In order to supply editable functionality to the table header, you're going to need to supply your implementation of a JTableHeader

Have a look at this example for some ideas