Java Utililty Methods Swing Key Action

List of utility methods to do Swing Key Action

  1. HOME
  2. Java
  3. S
  4. Swing Key Action

Description

The list of methods to do Swing Key Action are organized into topic(s).

Method

KeyStroke[]stringToKeys(String s)
Convert a space-separated list of Emacs-like key binding names to a list of Swing key strokes. 
StringTokenizer st = new StringTokenizer(s.toUpperCase(Locale.ENGLISH), " "); 
ArrayList<KeyStroke> arr = new ArrayList<KeyStroke>();
while (st.hasMoreElements()) {
    s = st.nextToken();
    KeyStroke k = stringToKey(s);
    if (k == null) {
        return null;
    arr.add(k);
return arr.toArray(new KeyStroke[arr.size()]);
Stringtranslate(KeyStroke keyStroke, Locale locale)
Returns the key stroke representation translated. 
String acceleratorText = "";
if (keyStroke != null) {
    int modifiers = keyStroke.getModifiers();
    if (modifiers > 0) {
        acceleratorText = KeyEvent.getKeyModifiersText(modifiers);
        acceleratorText += "+";
    acceleratorText += KeyEvent.getKeyText(keyStroke.getKeyCode());
...
voidvalidarNumeroInteiro(KeyEvent evt)
validar Numero Inteiro 
if (!Character.isDigit(evt.getKeyChar()) && evt.getKeyChar() != '-')
    evt.consume();
if (((JTextField) evt.getSource()).getText().length() > 0 && evt.getKeyChar() == '-')
    evt.consume();