в 17:43, 31 мая 2010

2010-05-31T17:43:48Z

Admin: 1 версия

2010-05-31T14:19:46Z

1 версия

Новая страница

== JMenu: add(Component c) ==



<source lang="java">

import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JSeparator;
public class Main extends JFrame {
public Main() {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JMenuBar bar = new JMenuBar();
JMenu menu = new JMenu("File");
bar.add(menu);
menu.add(new JMenuItem("Close"));
menu.add(new JSeparator()); // SEPARATOR
menu.add(new JMenuItem("Exit"));
setJMenuBar(bar);
add(new JLabel("A placeholder"));
pack();
setSize(300, 300);
setVisible(true);
}
public static void main(String arg[]) {
new Main();
}
}

</source>



== JMenu: add(JMenuItem menuItem) ==



<source lang="java">

import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JSeparator;
public class Main extends JFrame {
public Main() {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JMenuBar bar = new JMenuBar();
JMenu menu = new JMenu("File");
bar.add(menu);
menu.add(new JMenuItem("Close"));
menu.add(new JSeparator()); // SEPARATOR
menu.add(new JMenuItem("Exit"));
setJMenuBar(bar);
add(new JLabel("A placeholder"));
pack();
setSize(300, 300);
setVisible(true);
}
public static void main(String arg[]) {
new Main();
}
}

</source>



== JMenu: addMenuListener(MenuListener l) ==



<source lang="java">

import java.awt.event.KeyEvent;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.event.MenuEvent;
import javax.swing.event.MenuListener;
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);
fileMenu.addMenuListener(new MenuListener() {
public void menuSelected(MenuEvent e) {
System.out.println("menuSelected");
}
public void menuDeselected(MenuEvent e) {
System.out.println("menuDeselected");
}
public void menuCanceled(MenuEvent e) {
System.out.println("menuCanceled");
}
});
// File->New, N - Mnemonic
JMenuItem newMenuItem = new JMenuItem("New");
fileMenu.add(newMenuItem);
frame.setJMenuBar(menuBar);
frame.setSize(350, 250);
frame.setVisible(true);
}
}

</source>



== JMenu: addSeparator() ==



<source lang="java">

import java.awt.Event;
import javax.swing.ButtonGroup;
import javax.swing.JCheckBoxMenuItem;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JRadioButtonMenuItem;
import javax.swing.KeyStroke;
public class MainClass extends JFrame {
public MainClass() {
setDefaultCloseOperation(EXIT_ON_CLOSE);
setJMenuBar(menuBar);
JMenu fileMenu = new JMenu("File");
JMenu elementMenu = new JMenu("Elements");
fileMenu.setMnemonic("F");
elementMenu.setMnemonic("E");
// Construct the file pull down menu
newItem = fileMenu.add("New");
openItem = fileMenu.add("Open");
closeItem = fileMenu.add("Close");
fileMenu.addSeparator();
saveItem = fileMenu.add("Save");
saveAsItem = fileMenu.add("Save As...");
JMenu colorMenu = new JMenu("Color");
fileMenu.addSeparator();
printItem = fileMenu.add("Print");
newItem.setAccelerator(KeyStroke.getKeyStroke("N", Event.CTRL_MASK));
openItem.setAccelerator(KeyStroke.getKeyStroke("O", Event.CTRL_MASK));
saveItem.setAccelerator(KeyStroke.getKeyStroke("S", Event.CTRL_MASK));
printItem.setAccelerator(KeyStroke.getKeyStroke("P", Event.CTRL_MASK));
elementMenu.add(lineItem = new JRadioButtonMenuItem("Line", true));
elementMenu
.add(rectangleItem = new JRadioButtonMenuItem("Rectangle", false));
elementMenu.add(circleItem = new JRadioButtonMenuItem("Circle", false));
elementMenu.add(curveItem = new JRadioButtonMenuItem("Curve", false));
ButtonGroup types = new ButtonGroup();
types.add(lineItem);
types.add(rectangleItem);
types.add(circleItem);
types.add(curveItem);
lineItem.setAccelerator(KeyStroke.getKeyStroke("L", Event.CTRL_MASK));
rectangleItem.setAccelerator(KeyStroke.getKeyStroke("E", Event.CTRL_MASK));
circleItem.setAccelerator(KeyStroke.getKeyStroke("I", Event.CTRL_MASK));
curveItem.setAccelerator(KeyStroke.getKeyStroke("V", Event.CTRL_MASK));
elementMenu.addSeparator();
elementMenu.add(colorMenu); // Add the sub-menu
colorMenu.add(redItem = new JCheckBoxMenuItem("Red", false));
colorMenu.add(yellowItem = new JCheckBoxMenuItem("Yellow", false));
colorMenu.add(greenItem = new JCheckBoxMenuItem("Green", false));
colorMenu.add(blueItem = new JCheckBoxMenuItem("Blue", true));
// Add element color accelerators
redItem.setAccelerator(KeyStroke.getKeyStroke("R", Event.CTRL_MASK));
yellowItem.setAccelerator(KeyStroke.getKeyStroke("Y", Event.CTRL_MASK));
greenItem.setAccelerator(KeyStroke.getKeyStroke("G", Event.CTRL_MASK));
blueItem.setAccelerator(KeyStroke.getKeyStroke("B", Event.CTRL_MASK));
menuBar.add(fileMenu);
menuBar.add(elementMenu);
}
private JMenuBar menuBar = new JMenuBar();
// File menu items
private JMenuItem newItem, openItem, closeItem, saveItem, saveAsItem,
printItem;
// Element menu items
private JRadioButtonMenuItem lineItem, rectangleItem, circleItem, curveItem,
textItem;
private JCheckBoxMenuItem redItem, yellowItem, greenItem, blueItem;
public static void main(String[] args) {
JFrame aWindow = new MainClass();
aWindow.setSize(200,200);
aWindow.setVisible(true);
}
}

</source>



== JMenu: add(String text) ==



<source lang="java">

import java.awt.Event;
import javax.swing.ButtonGroup;
import javax.swing.JCheckBoxMenuItem;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JRadioButtonMenuItem;
import javax.swing.KeyStroke;
public class MainClass extends JFrame {
public MainClass() {
setDefaultCloseOperation(EXIT_ON_CLOSE);
setJMenuBar(menuBar);
JMenu fileMenu = new JMenu("File");
JMenu elementMenu = new JMenu("Elements");
fileMenu.setMnemonic("F");
elementMenu.setMnemonic("E");
// Construct the file pull down menu
newItem = fileMenu.add("New");
openItem = fileMenu.add("Open");
closeItem = fileMenu.add("Close");
fileMenu.addSeparator();
saveItem = fileMenu.add("Save");
saveAsItem = fileMenu.add("Save As...");
JMenu colorMenu = new JMenu("Color");
fileMenu.addSeparator();
printItem = fileMenu.add("Print");
newItem.setAccelerator(KeyStroke.getKeyStroke("N", Event.CTRL_MASK));
openItem.setAccelerator(KeyStroke.getKeyStroke("O", Event.CTRL_MASK));
saveItem.setAccelerator(KeyStroke.getKeyStroke("S", Event.CTRL_MASK));
printItem.setAccelerator(KeyStroke.getKeyStroke("P", Event.CTRL_MASK));
elementMenu.add(lineItem = new JRadioButtonMenuItem("Line", true));
elementMenu
.add(rectangleItem = new JRadioButtonMenuItem("Rectangle", false));
elementMenu.add(circleItem = new JRadioButtonMenuItem("Circle", false));
elementMenu.add(curveItem = new JRadioButtonMenuItem("Curve", false));
ButtonGroup types = new ButtonGroup();
types.add(lineItem);
types.add(rectangleItem);
types.add(circleItem);
types.add(curveItem);
lineItem.setAccelerator(KeyStroke.getKeyStroke("L", Event.CTRL_MASK));
rectangleItem.setAccelerator(KeyStroke.getKeyStroke("E", Event.CTRL_MASK));
circleItem.setAccelerator(KeyStroke.getKeyStroke("I", Event.CTRL_MASK));
curveItem.setAccelerator(KeyStroke.getKeyStroke("V", Event.CTRL_MASK));
elementMenu.addSeparator();
elementMenu.add(colorMenu); // Add the sub-menu
colorMenu.add(redItem = new JCheckBoxMenuItem("Red", false));
colorMenu.add(yellowItem = new JCheckBoxMenuItem("Yellow", false));
colorMenu.add(greenItem = new JCheckBoxMenuItem("Green", false));
colorMenu.add(blueItem = new JCheckBoxMenuItem("Blue", true));
// Add element color accelerators
redItem.setAccelerator(KeyStroke.getKeyStroke("R", Event.CTRL_MASK));
yellowItem.setAccelerator(KeyStroke.getKeyStroke("Y", Event.CTRL_MASK));
greenItem.setAccelerator(KeyStroke.getKeyStroke("G", Event.CTRL_MASK));
blueItem.setAccelerator(KeyStroke.getKeyStroke("B", Event.CTRL_MASK));
menuBar.add(fileMenu);
menuBar.add(elementMenu);
}
private JMenuBar menuBar = new JMenuBar();
// File menu items
private JMenuItem newItem, openItem, closeItem, saveItem, saveAsItem,
printItem;
// Element menu items
private JRadioButtonMenuItem lineItem, rectangleItem, circleItem, curveItem,
textItem;
private JCheckBoxMenuItem redItem, yellowItem, greenItem, blueItem;
public static void main(String[] args) {
JFrame aWindow = new MainClass();
aWindow.setSize(200,200);
aWindow.setVisible(true);
}
}

</source>



== JMenu: getMenuComponentCount() ==



<source lang="java">

import java.awt.ruponent;
import java.awt.ruponentOrientation;
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JMenu;
public class MainClass extends JFrame {
public MainClass() {
super("MainClass");
Container contentPane = getContentPane();
contentPane.setLayout(new FlowLayout());
contentPane.add(new JButton("OK"));
contentPane.add(new JButton("Cancel"));
applyOrientation(this, ComponentOrientation.RIGHT_TO_LEFT);
}
public static void main(String[] argv) {
JFrame frame = new MainClass();
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
frame.pack();
frame.setVisible(true);
}
private void applyOrientation(Component c, ComponentOrientation o) {
c.setComponentOrientation(o);
if (c instanceof JMenu) {
JMenu menu = (JMenu) c;
int ncomponents = menu.getMenuComponentCount();
for (int i = 0; i < ncomponents; ++i) {
applyOrientation(menu.getMenuComponent(i), o);
}
} else if (c instanceof Container) {
Container container = (Container) c;
int ncomponents = container.getComponentCount();
for (int i = 0; i < ncomponents; ++i) {
applyOrientation(container.getComponent(i), o);
}
}
}
}

</source>



== JMenu: setMnemonic(KeyEvent.VK_O) ==



<source lang="java">

import java.awt.event.KeyEvent;
import javax.swing.ButtonGroup;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JRadioButtonMenuItem;
public class MainClass {
public static void main(String args[]) {
JFrame f = new JFrame("JRadioButtonMenuItem Sample");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JMenuBar bar = new JMenuBar();
JMenu menu = new JMenu("Options");
menu.setMnemonic(KeyEvent.VK_O);
ButtonGroup group = new ButtonGroup();
JRadioButtonMenuItem menuItem = new JRadioButtonMenuItem("A");
group.add(menuItem);
menu.add(menuItem);
menuItem = new JRadioButtonMenuItem("B");
group.add(menuItem);
menu.add(menuItem);
menuItem = new JRadioButtonMenuItem("C");
group.add(menuItem);
menu.add(menuItem);
bar.add(menu);
f.setJMenuBar(bar);
f.setSize(300, 200);
f.setVisible(true);
}
}

</source>



== new JMenu(String s) ==



<source lang="java">

import java.awt.event.KeyEvent;
import javax.swing.JCheckBoxMenuItem;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
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", KeyEvent.VK_N);
fileMenu.add(newMenuItem);
JCheckBoxMenuItem caseMenuItem = new JCheckBoxMenuItem("Case Sensitive");
caseMenuItem.setMnemonic(KeyEvent.VK_C);
fileMenu.add(caseMenuItem);

frame.setJMenuBar(menuBar);
frame.setSize(350, 250);
frame.setVisible(true);
}
}

</source>

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в 17:43, 31 мая 2010

Admin: 1 версия