I had some input checking going on with the old KeyListener interface
that would cancelKey() the event if the input was not a digit.
I'm trying to convert that over to use a KeyDownHandler, but I can't
figure out how to check if they key is a digit.
This is the closest I've got:
public void onKeyDown(KeyDownEvent event)
{
int keyCode = event.getNativeKeyCode();
if (!Character.isDigit(keyCode)
{
// TextBox.cancelKey() suppresses the current keyboard event.
((TextBox) event.getSource()).cancelKey();
}
}
The catch is, Character.isDigit(int) is not emulated in GWT -- it only
accepts a char parameter.
So, how do I convert the keyCode to a char, or, check isDigit() on the
keyCode? Or an entirely different method? IS getNativeKeyCode() the
right approach for this?
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