/*
* auto-insert degree symbol when appropriate
*/
public void onKeyUp(KeyUpEvent e) {
// return unless digit typed (instead of !Character.isDigit)
if (e.getNativeKeyCode() < 48
|| (e.getNativeKeyCode() > 57 && e.getNativeKeyCode() < 96)
|| e.getNativeKeyCode() > 105) return;
AutoCompleteTextFieldW tc = inputPanel.getTextComponent();
String text = tc.getText();
// if text already contains degree symbol or variable
for (int i = 0; i < text.length(); i++) {
if (!StringUtil.isDigit(text.charAt(i))) return;
}
int caretPos = tc.getCaretPosition();
tc.setText(tc.getText() + Unicode.degree);
tc.setCaretPosition(caretPos);
}
