Java AbstractAction .getValue (String key)
Syntax
AbstractAction.getValue(String key) has the following syntax.
public Object getValue(String key)
Example
In the following code shows how to use AbstractAction.getValue(String key) method.
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import java.beans.PropertyChangeListener;
//from w w w. j a v a 2 s . c o m
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.KeyStroke;
public class Main {
public static void main(String args[]) {
JFrame frame = new JFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
final Action printAction = new PrintHelloAction();
JMenuBar menuBar = new JMenuBar();
JMenu menu = new JMenu("File");
menuBar.add(menu);
JMenuItem menuItem = new JMenuItem("Print");
KeyStroke ctrlP = KeyStroke.getKeyStroke(KeyEvent.VK_P,
InputEvent.CTRL_MASK);
menuItem.setAccelerator(ctrlP);
menuItem.addActionListener(printAction);
menu.add(menuItem);
JButton fileButton = new JButton("About");
fileButton.setMnemonic(KeyEvent.VK_A);
fileButton.addActionListener(printAction);
frame.setJMenuBar(menuBar);
frame.add(fileButton, BorderLayout.SOUTH);
frame.setSize(300, 100);
frame.setVisible(true);
}
}
class PrintHelloAction extends AbstractAction {
PrintHelloAction() {
super("Print");
putValue(Action.SHORT_DESCRIPTION, "Hello, World");
System.out.println(super.getValue(Action.SHORT_DESCRIPTION));
}
public void actionPerformed(ActionEvent actionEvent) {
System.out.println("Hello, World");
}
}
Home »
Java Tutorial »
javax.swing »
Java Tutorial »
javax.swing »