Java by API/javax.swing/MenuSelectionManager — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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(нет различий)
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Версия 17:43, 31 мая 2010
MenuSelectionManager: clearSelectedPath()
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.MenuElement;
import javax.swing.MenuSelectionManager;
public class Main {
public static void main(final String args[]) {
JFrame frame = new JFrame("MenuSample Example");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JMenuBar menuBar = new JMenuBar();
// File Menu, F - Mnemonic
JMenu fileMenu = new JMenu("File");
fileMenu.setMnemonic(KeyEvent.VK_F);
menuBar.add(fileMenu);
// File->New, N - Mnemonic
JMenuItem newMenuItem = new JMenuItem("New");
fileMenu.add(newMenuItem);
newMenuItem.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e) {
MenuElement[] eles = MenuSelectionManager.defaultManager().getSelectedPath();
for(MenuElement ele: eles){
System.out.println(ele);
}
MenuSelectionManager.defaultManager().clearSelectedPath();
}});
frame.setJMenuBar(menuBar);
frame.setSize(350, 250);
frame.setVisible(true);
}
}
MenuSelectionManager: defaultManager()
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.MenuElement;
import javax.swing.MenuSelectionManager;
public class Main {
public static void main(final String args[]) {
JFrame frame = new JFrame("MenuSample Example");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JMenuBar menuBar = new JMenuBar();
// File Menu, F - Mnemonic
JMenu fileMenu = new JMenu("File");
fileMenu.setMnemonic(KeyEvent.VK_F);
menuBar.add(fileMenu);
// File->New, N - Mnemonic
JMenuItem newMenuItem = new JMenuItem("New");
fileMenu.add(newMenuItem);
newMenuItem.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e) {
MenuElement[] eles = MenuSelectionManager.defaultManager().getSelectedPath();
for(MenuElement ele: eles){
System.out.println(ele);
}
MenuSelectionManager.defaultManager().clearSelectedPath();
}});
frame.setJMenuBar(menuBar);
frame.setSize(350, 250);
frame.setVisible(true);
}
}
MenuSelectionManager: getSelectedPath()
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.MenuElement;
import javax.swing.MenuSelectionManager;
public class Main {
public static void main(final String args[]) {
JFrame frame = new JFrame("MenuSample Example");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JMenuBar menuBar = new JMenuBar();
// File Menu, F - Mnemonic
JMenu fileMenu = new JMenu("File");
fileMenu.setMnemonic(KeyEvent.VK_F);
menuBar.add(fileMenu);
// File->New, N - Mnemonic
JMenuItem newMenuItem = new JMenuItem("New");
fileMenu.add(newMenuItem);
newMenuItem.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e) {
MenuElement[] eles = MenuSelectionManager.defaultManager().getSelectedPath();
for(MenuElement ele: eles){
System.out.println(ele);
}
MenuSelectionManager.defaultManager().clearSelectedPath();
}});
frame.setJMenuBar(menuBar);
frame.setSize(350, 250);
frame.setVisible(true);
}
}