Swing: how do I close a dialog when the ESC key is pressed?

Question

GUI development with Swing.

I have a custom dialog for choosing a file to be opened in my application; its class extends javax.swing.JDialog and contain

Answer 1

If your looking for a technique using new features of Java 8 , try a lambda expression:

dialog.getRootPane().registerKeyboardAction(e -> {
    window.dispose();
}, KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0), JComponent.WHEN_IN_FOCUSED_WINDOW);

or

KeyStroke k = KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0);
int w = JComponent.WHEN_IN_FOCUSED_WINDOW;
dialog.getRootPane().registerKeyboardAction(e -> window.dispose(), k, w);