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Java by API/javax.swing/AbstractAction - История изменений
2026-04-19T13:19:13Z
История изменений этой страницы в вики
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http://www.jexp.ru/index.php?title=Java_by_API/javax.swing/AbstractAction&diff=593&oldid=prev
в 17:43, 31 мая 2010
2010-05-31T17:43:48Z
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http://www.jexp.ru/index.php?title=Java_by_API/javax.swing/AbstractAction&diff=594&oldid=prev
Admin: 1 версия
2010-05-31T14:18:15Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>== AbstractAction: putValue(String key, Object newValue) ==<br />
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<!-- start source code --><br />
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<source lang="java"><br />
import java.awt.BorderLayout;<br />
import java.awt.event.ActionEvent;<br />
import java.awt.event.ActionListener;<br />
import javax.swing.AbstractAction;<br />
import javax.swing.Action;<br />
import javax.swing.JButton;<br />
import javax.swing.JFrame;<br />
import javax.swing.JMenu;<br />
import javax.swing.JMenuBar;<br />
import javax.swing.JMenuItem;<br />
import javax.swing.JPanel;<br />
import javax.swing.JToolBar;<br />
public class MainClass {<br />
public static void main(String args[]) {<br />
JFrame frame = new JFrame("Action Sample");<br />
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);<br />
final Action printAction = new PrintHelloAction();<br />
JMenuBar menuBar = new JMenuBar();<br />
JMenu menu = new JMenu("File");<br />
menuBar.add(menu);<br />
menu.add(new JMenuItem(printAction));<br />
JToolBar toolbar = new JToolBar();<br />
toolbar.add(new JButton(printAction));<br />
JButton enableButton = new JButton("Enable");<br />
ActionListener enableActionListener = new ActionListener() {<br />
public void actionPerformed(ActionEvent actionEvent) {<br />
printAction.setEnabled(true);<br />
}<br />
};<br />
enableButton.addActionListener(enableActionListener);<br />
JButton disableButton = new JButton("Disable");<br />
ActionListener disableActionListener = new ActionListener() {<br />
public void actionPerformed(ActionEvent actionEvent) {<br />
printAction.setEnabled(false);<br />
}<br />
};<br />
disableButton.addActionListener(disableActionListener);<br />
JButton relabelButton = new JButton("Relabel");<br />
ActionListener relabelActionListener = new ActionListener() {<br />
public void actionPerformed(ActionEvent actionEvent) {<br />
printAction.putValue(Action.NAME, "Hello, World");<br />
}<br />
};<br />
relabelButton.addActionListener(relabelActionListener);<br />
JPanel buttonPanel = new JPanel();<br />
buttonPanel.add(enableButton);<br />
buttonPanel.add(disableButton);<br />
buttonPanel.add(relabelButton);<br />
frame.setJMenuBar(menuBar);<br />
frame.add(toolbar, BorderLayout.SOUTH);<br />
frame.add(buttonPanel, BorderLayout.NORTH);<br />
frame.setSize(300, 200);<br />
frame.setVisible(true);<br />
}<br />
}<br />
class PrintHelloAction extends AbstractAction {<br />
PrintHelloAction() {<br />
super("Print");<br />
putValue(Action.SHORT_DESCRIPTION, "Hello, World");<br />
}<br />
public void actionPerformed(ActionEvent actionEvent) {<br />
System.out.println("Hello, World");<br />
}<br />
}<br />
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</source><br />
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<!-- end source code --><br />
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== AbstractAction: setEnabled(boolean newValue) ==<br />
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<!-- start source code --><br />
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<source lang="java"><br />
import java.awt.BorderLayout;<br />
import java.awt.event.ActionEvent;<br />
import java.awt.event.ActionListener;<br />
import javax.swing.AbstractAction;<br />
import javax.swing.Action;<br />
import javax.swing.JButton;<br />
import javax.swing.JFrame;<br />
import javax.swing.JMenu;<br />
import javax.swing.JMenuBar;<br />
import javax.swing.JMenuItem;<br />
import javax.swing.JPanel;<br />
import javax.swing.JToolBar;<br />
public class MainClass {<br />
public static void main(String args[]) {<br />
JFrame frame = new JFrame("Action Sample");<br />
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);<br />
final Action printAction = new PrintHelloAction();<br />
JMenuBar menuBar = new JMenuBar();<br />
JMenu menu = new JMenu("File");<br />
menuBar.add(menu);<br />
menu.add(new JMenuItem(printAction));<br />
JToolBar toolbar = new JToolBar();<br />
toolbar.add(new JButton(printAction));<br />
JButton enableButton = new JButton("Enable");<br />
ActionListener enableActionListener = new ActionListener() {<br />
public void actionPerformed(ActionEvent actionEvent) {<br />
printAction.setEnabled(true);<br />
}<br />
};<br />
enableButton.addActionListener(enableActionListener);<br />
JButton disableButton = new JButton("Disable");<br />
ActionListener disableActionListener = new ActionListener() {<br />
public void actionPerformed(ActionEvent actionEvent) {<br />
printAction.setEnabled(false);<br />
}<br />
};<br />
disableButton.addActionListener(disableActionListener);<br />
JButton relabelButton = new JButton("Relabel");<br />
ActionListener relabelActionListener = new ActionListener() {<br />
public void actionPerformed(ActionEvent actionEvent) {<br />
printAction.putValue(Action.NAME, "Hello, World");<br />
}<br />
};<br />
relabelButton.addActionListener(relabelActionListener);<br />
JPanel buttonPanel = new JPanel();<br />
buttonPanel.add(enableButton);<br />
buttonPanel.add(disableButton);<br />
buttonPanel.add(relabelButton);<br />
frame.setJMenuBar(menuBar);<br />
frame.add(toolbar, BorderLayout.SOUTH);<br />
frame.add(buttonPanel, BorderLayout.NORTH);<br />
frame.setSize(300, 200);<br />
frame.setVisible(true);<br />
}<br />
}<br />
class PrintHelloAction extends AbstractAction {<br />
PrintHelloAction() {<br />
super("Print");<br />
putValue(Action.SHORT_DESCRIPTION, "Hello, World");<br />
}<br />
public void actionPerformed(ActionEvent actionEvent) {<br />
System.out.println("Hello, World");<br />
}<br />
}<br />
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</source><br />
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<!-- end source code --><br />
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== extends AbstractAction ==<br />
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<!-- start source code --><br />
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<source lang="java"><br />
import java.awt.BorderLayout;<br />
import java.awt.ruponent;<br />
import java.awt.Graphics;<br />
import java.awt.event.ActionEvent;<br />
import java.awt.event.InputEvent;<br />
import java.awt.event.KeyEvent;<br />
import javax.swing.AbstractAction;<br />
import javax.swing.Action;<br />
import javax.swing.Icon;<br />
import javax.swing.JButton;<br />
import javax.swing.JFrame;<br />
import javax.swing.JMenu;<br />
import javax.swing.JMenuBar;<br />
import javax.swing.JMenuItem;<br />
import javax.swing.KeyStroke;<br />
public class MainClass {<br />
public static void main(String args[]) {<br />
JFrame frame = new JFrame("Mnemonic/Accelerator Sample");<br />
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);<br />
final Action printAction = new PrintHelloAction();<br />
JMenuBar menuBar = new JMenuBar();<br />
JMenu menu = new JMenu("File");<br />
menuBar.add(menu);<br />
JMenuItem menuItem = new JMenuItem("Print");<br />
KeyStroke ctrlP = KeyStroke.getKeyStroke(KeyEvent.VK_P,<br />
InputEvent.CTRL_MASK);<br />
menuItem.setAccelerator(ctrlP);<br />
menuItem.addActionListener(printAction);<br />
menu.add(menuItem);<br />
JButton fileButton = new JButton("About");<br />
fileButton.setMnemonic(KeyEvent.VK_A);<br />
fileButton.addActionListener(printAction);<br />
frame.setJMenuBar(menuBar);<br />
frame.add(fileButton, BorderLayout.SOUTH);<br />
frame.setSize(300, 100);<br />
frame.setVisible(true);<br />
}<br />
}<br />
class PrintHelloAction extends AbstractAction {<br />
private static final Icon printIcon = new MyIcon();<br />
PrintHelloAction() {<br />
super("Print", printIcon);<br />
putValue(Action.SHORT_DESCRIPTION, "Hello, World");<br />
}<br />
public void actionPerformed(ActionEvent actionEvent) {<br />
System.out.println("Hello, World");<br />
}<br />
}<br />
class MyIcon implements Icon {<br />
public int getIconWidth() {<br />
return 32;<br />
}<br />
public int getIconHeight() {<br />
return 32;<br />
}<br />
public void paintIcon(Component c, Graphics g, int x, int y) {<br />
g.drawString("jexp.ru", 0, 20);<br />
}<br />
}<br />
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</source><br />
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<!-- end source code --></div>
Admin