Java by API/javax.swing/AbstractAction

AbstractAction: putValue(String key, Object newValue)

   <source lang="java">

import java.awt.BorderLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; 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.JPanel; import javax.swing.JToolBar; public class MainClass {

 public static void main(String args[]) {
   JFrame frame = new JFrame("Action Sample");
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   final Action printAction = new PrintHelloAction();
   JMenuBar menuBar = new JMenuBar();
   JMenu menu = new JMenu("File");
   menuBar.add(menu);
   menu.add(new JMenuItem(printAction));
   JToolBar toolbar = new JToolBar();
   toolbar.add(new JButton(printAction));
   JButton enableButton = new JButton("Enable");
   ActionListener enableActionListener = new ActionListener() {
     public void actionPerformed(ActionEvent actionEvent) {
       printAction.setEnabled(true);
     }
   };
   enableButton.addActionListener(enableActionListener);
   JButton disableButton = new JButton("Disable");
   ActionListener disableActionListener = new ActionListener() {
     public void actionPerformed(ActionEvent actionEvent) {
       printAction.setEnabled(false);
     }
   };
   disableButton.addActionListener(disableActionListener);
   JButton relabelButton = new JButton("Relabel");
   ActionListener relabelActionListener = new ActionListener() {
     public void actionPerformed(ActionEvent actionEvent) {
       printAction.putValue(Action.NAME, "Hello, World");
     }
   };
   relabelButton.addActionListener(relabelActionListener);
   JPanel buttonPanel = new JPanel();
   buttonPanel.add(enableButton);
   buttonPanel.add(disableButton);
   buttonPanel.add(relabelButton);
   frame.setJMenuBar(menuBar);
   frame.add(toolbar, BorderLayout.SOUTH);
   frame.add(buttonPanel, BorderLayout.NORTH);
   frame.setSize(300, 200);
   frame.setVisible(true);
 }

} class PrintHelloAction extends AbstractAction {

 PrintHelloAction() {
   super("Print");
   putValue(Action.SHORT_DESCRIPTION, "Hello, World");
 }
 public void actionPerformed(ActionEvent actionEvent) {
   System.out.println("Hello, World");
 }

}

      </source>
   
  
 
  

AbstractAction: setEnabled(boolean newValue)

   <source lang="java">

import java.awt.BorderLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; 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.JPanel; import javax.swing.JToolBar; public class MainClass {

 public static void main(String args[]) {
   JFrame frame = new JFrame("Action Sample");
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   final Action printAction = new PrintHelloAction();
   JMenuBar menuBar = new JMenuBar();
   JMenu menu = new JMenu("File");
   menuBar.add(menu);
   menu.add(new JMenuItem(printAction));
   JToolBar toolbar = new JToolBar();
   toolbar.add(new JButton(printAction));
   JButton enableButton = new JButton("Enable");
   ActionListener enableActionListener = new ActionListener() {
     public void actionPerformed(ActionEvent actionEvent) {
       printAction.setEnabled(true);
     }
   };
   enableButton.addActionListener(enableActionListener);
   JButton disableButton = new JButton("Disable");
   ActionListener disableActionListener = new ActionListener() {
     public void actionPerformed(ActionEvent actionEvent) {
       printAction.setEnabled(false);
     }
   };
   disableButton.addActionListener(disableActionListener);
   JButton relabelButton = new JButton("Relabel");
   ActionListener relabelActionListener = new ActionListener() {
     public void actionPerformed(ActionEvent actionEvent) {
       printAction.putValue(Action.NAME, "Hello, World");
     }
   };
   relabelButton.addActionListener(relabelActionListener);
   JPanel buttonPanel = new JPanel();
   buttonPanel.add(enableButton);
   buttonPanel.add(disableButton);
   buttonPanel.add(relabelButton);
   frame.setJMenuBar(menuBar);
   frame.add(toolbar, BorderLayout.SOUTH);
   frame.add(buttonPanel, BorderLayout.NORTH);
   frame.setSize(300, 200);
   frame.setVisible(true);
 }

} class PrintHelloAction extends AbstractAction {

 PrintHelloAction() {
   super("Print");
   putValue(Action.SHORT_DESCRIPTION, "Hello, World");
 }
 public void actionPerformed(ActionEvent actionEvent) {
   System.out.println("Hello, World");
 }

}

      </source>
   
  
 
  

extends AbstractAction

   <source lang="java">

import java.awt.BorderLayout; import java.awt.ruponent; import java.awt.Graphics; import java.awt.event.ActionEvent; import java.awt.event.InputEvent; import java.awt.event.KeyEvent; import javax.swing.AbstractAction; import javax.swing.Action; import javax.swing.Icon; 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 MainClass {

 public static void main(String args[]) {
   JFrame frame = new JFrame("Mnemonic/Accelerator Sample");
   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 {

 private static final Icon printIcon = new MyIcon();
 PrintHelloAction() {
   super("Print", printIcon);
   putValue(Action.SHORT_DESCRIPTION, "Hello, World");
 }
 public void actionPerformed(ActionEvent actionEvent) {
   System.out.println("Hello, World");
 }

} class MyIcon implements Icon {

 public int getIconWidth() {
   return 32;
 }
 public int getIconHeight() {
   return 32;
 }
 public void paintIcon(Component c, Graphics g, int x, int y) {
   g.drawString("jexp.ru", 0, 20);
 }

}

      </source>