public override bool onKeyDown(int keyCode, android.view.KeyEvent @event)
{
bool handled = false;
switch (keyCode)
{
case android.view.KeyEvent.KEYCODE_DPAD_UP:
case android.view.KeyEvent.KEYCODE_DPAD_DOWN:
case android.view.KeyEvent.KEYCODE_DPAD_LEFT:
case android.view.KeyEvent.KEYCODE_DPAD_RIGHT:
case android.view.KeyEvent.KEYCODE_ENTER:
case android.view.KeyEvent.KEYCODE_DPAD_CENTER:
{
break;
}
case android.view.KeyEvent.KEYCODE_DEL:
{
switch (mMode)
{
case DIGITS_AND_LETTERS:
{
handled = mDigits.onKeyDown(keyCode, @event);
handled &= mLetters.onKeyDown(keyCode, @event);
break;
}
case DIGITS_AND_LETTERS_NO_DIGITS:
{
handled = mLetters.onKeyDown(keyCode, @event);
if (((android.text.Editable)mLetters.getText()).Length == ((android.text.Editable
)mDigits.getText()).Length)
{
setMode(DIGITS_AND_LETTERS);
}
break;
}
case DIGITS_AND_LETTERS_NO_LETTERS:
{
if (((android.text.Editable)mDigits.getText()).Length == ((android.text.Editable)
mLetters.getText()).Length)
{
mLetters.onKeyDown(keyCode, @event);
setMode(DIGITS_AND_LETTERS);
}
handled = mDigits.onKeyDown(keyCode, @event);
break;
}
case DIGITS_ONLY:
{
handled = mDigits.onKeyDown(keyCode, @event);
break;
}
case LETTERS_ONLY:
{
handled = mLetters.onKeyDown(keyCode, @event);
break;
}
}
break;
}
default:
{
switch (mMode)
{
case DIGITS_AND_LETTERS:
{
//mIsQwerty = msg.getKeyIsQwertyKeyboard();
handled = mLetters.onKeyDown(keyCode, @event);
// pass this throw so the shift state is correct (for example,
// on a standard QWERTY keyboard, * and 8 are on the same key)
if (android.view.KeyEvent.isModifierKey(keyCode))
{
mDigits.onKeyDown(keyCode, @event);
handled = true;
break;
}
// Only check to see if the digit is valid if the key is a printing key
// in the TextKeyListener. This prevents us from hiding the digits
// line when keys like UP and DOWN are hit.
// XXX note that KEYCODE_TAB is special-cased here for
// devices that share tab and 0 on a single key.
bool isPrint = @event.isPrintingKey();
if (isPrint || keyCode == android.view.KeyEvent.KEYCODE_SPACE || keyCode == android.view.KeyEvent
.KEYCODE_TAB)
{
char c = @event.getMatch(android.text.method.DialerKeyListener.CHARACTERS);
if (c != 0)
{
handled &= mDigits.onKeyDown(keyCode, @event);
}
else
{
setMode(DIGITS_AND_LETTERS_NO_DIGITS);
}
}
break;
}
case DIGITS_AND_LETTERS_NO_LETTERS:
case DIGITS_ONLY:
{
handled = mDigits.onKeyDown(keyCode, @event);
break;
}
case DIGITS_AND_LETTERS_NO_DIGITS:
case LETTERS_ONLY:
{
handled = mLetters.onKeyDown(keyCode, @event);
break;
}
}
break;
}
}
if (!handled)
{
return(base.onKeyDown(keyCode, @event));
}
else
{
return(true);
}
}