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import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.ActionMap;
import javax.swing.InputMap;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.KeyStroke;
public class KeyStrokeSampleVKEnter {
public static void main(String[] a) {
String ACTION_KEY = "theAction";
JFrame frame = new JFrame("KeyStroke Sample");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JButton buttonA = new JButton("<html><center>FOCUS/RELEASE<br>VK_ENTER");
Action actionListener = new AbstractAction() {
public void actionPerformed(ActionEvent actionEvent) {
JButton source = (JButton) actionEvent.getSource();
System.out.println(source.getText());
}
};
KeyStroke enter = KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0, true);
InputMap inputMap = buttonA.getInputMap();
inputMap.put(enter, ACTION_KEY);
ActionMap actionMap = buttonA.getActionMap();
actionMap.put(ACTION_KEY, actionListener);
buttonA.setActionMap(actionMap);
frame.add(buttonA);
frame.setSize(400, 200);
frame.setVisible(true);
}
}
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