Java Utililty Methods Swing Key Event

List of utility methods to do Swing Key Event

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Description

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

Method

booleancheckRowDownEvent(KeyEvent evt)
check Row Down Event 
int keyCode = evt.getKeyCode();
if (keyCode == KeyEvent.VK_DOWN || keyCode == KeyEvent.VK_TAB || keyCode == KeyEvent.VK_ENTER
        || keyCode == KeyEvent.VK_KP_DOWN || keyCode == KeyEvent.VK_RIGHT) {
    return true;
} else {
    return false;
booleanesFecha(KeyEvent e)
es Fecha 
char c = e.getKeyChar();
if (!Character.isDigit(c) && c != KeyEvent.VK_MINUS) {
    return true;
return false;
voidinsertKeyListener(Component component, KeyListener l, int index)
Inserts the key listener at the particular index in the listeners' chain. 
KeyListener[] listeners = component.getKeyListeners();
for (KeyListener listener : listeners) {
    component.removeKeyListener(listener);
for (int i = 0; i < listeners.length; i++) {
    KeyListener listener = listeners[i];
    if (index == i) {
        component.addKeyListener(l);
...
StringkeyEventGetKeyText(int keycode)
key Event Get Key Text 
if (keycode == KeyEvent.VK_TAB)
    return "Tab";
if (keycode == KeyEvent.VK_CONTROL)
    return "Ctrl";
if (keycode == KeyEvent.VK_ALT)
    return "Alt";
if (keycode == KeyEvent.VK_SHIFT)
    return "Shift";
...
intkeyEventModifiersToKeyStrokeModifiers(int modifiers)
key Event Modifiers To Key Stroke Modifiers 
int shift = InputEvent.SHIFT_DOWN_MASK | InputEvent.SHIFT_MASK;
int ctrl = InputEvent.CTRL_DOWN_MASK | InputEvent.CTRL_MASK;
int alt = InputEvent.ALT_DOWN_MASK | InputEvent.ALT_MASK;
switch (modifiers) {
case 1:
    return shift;
case 2:
    return ctrl;
...
intkeyStrokeModMac(String keyStrokeStr)
key Stroke Mod Mac 
keyStrokeStr = keyStrokeStr.toLowerCase();
int mod = 0;
if (keyStrokeStr.contains("ctrl") || keyStrokeStr.contains("control")) {
    mod = mod | InputEvent.CTRL_MASK;
if (keyStrokeStr.contains("alt")) {
    mod = mod | Toolkit.getDefaultToolkit().getMenuShortcutKeyMask();
if (keyStrokeStr.contains("meta")) {
    mod = mod | InputEvent.ALT_MASK;
return mod;
voidpress(int key)
press 
Robot robot = null;
try {
    robot = new Robot();
} catch (AWTException e) {
    e.printStackTrace();
robot.setAutoDelay(80);
robot.keyPress(key);
...
voidpressKey(final int key)
Press key. 
try {
    final Robot robot = new Robot();
    robot.keyPress(key);
} catch (final AWTException e) {
voidrecipientHintSelected(String hintString, TextField toList, boolean shiftKeyPressed)
recipient Hint Selected 
if (shiftKeyPressed) {
    String currentList = toList.getText();
    if (currentList == null || currentList.length() == 0)
        toList.setText(hintString);
    else
        toList.setText(currentList + ", " + hintString);
} else
    toList.setText(hintString);
...
voidrejectNonNumericKeys(KeyEvent evt)
reject Non Numeric Keys 
char c = evt.getKeyChar();
if (!((c >= '0') && (c <= '9') || (c == KeyEvent.VK_BACK_SPACE) || (c == KeyEvent.VK_DELETE)
        || (c == KeyEvent.VK_ENTER))) {
    Toolkit.getDefaultToolkit().beep();
    evt.consume();