Remove the Enter key binding from a JPopupMenu

Question

Hi,
Does anyone know how to remove the Enter key binding from a JPopupMenu?
So when the popupmenu is showing and you type Enter, nothing should happen and the menu should stay where it is.
I have tried:
popup.getActionMap().put("enter", null);
popup.getInputMap().put(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0), "enter");but the popup always disappears.
Any ideas?
Cheers,
patumaire

Answer 1

First of all, that is not the proper way to "remove" a key binding. Read the Swing tutorial on [How to Use Key Bindings|http://java.sun.com/docs/books/tutorial/uiswing/misc/keybinding.html#howto] for more information.
However, we still have a couple of problems:
a) the input map is dynamically built as the popup menu is displayed
b) the input map is built for the root pane, not the popup menu
The following seems to work:
popup.show(...);
InputMap map = getRootPane().getInputMap(JTable.WHEN_IN_FOCUSED_WINDOW);
map.put(KeyStroke.getKeyStroke("ENTER"), "none");
KeyStroke[] keys = map.allKeys();
for (int i = 0; i < keys.length; i++)
     KeyStroke key = keys;
     Object action = map.get( key );
     System.out.println(key + " : " + action);