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2010-06-01T06:45:15Z

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в 18:01, 31 мая 2010

2010-05-31T18:01:44Z

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== An example of interacting directly with the JRootPane of a JFrame ==



<source lang="java">

/*
Java Swing, 2nd Edition
By Marc Loy, Robert Eckstein, Dave Wood, James Elliott, Brian Cole
ISBN: 0-596-00408-7
Publisher: O"Reilly
*/
// RootExample.java
//An example of interacting directly with the JRootPane of a JFrame.
//
import java.awt.Container;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JRootPane;
public class RootExample {
public static void main(String[] args) {
JFrame f = new JFrame();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JRootPane root = f.getRootPane(); // XXX Pay attention to these
Container content = root.getContentPane(); // XXX lines. They get more
content.add(new JButton("Hello")); // XXX explanation in the book.
f.pack();
f.setVisible(true);
}
}

</source>



== Another example of interacting with the root pane ==



<source lang="java">

/*
Java Swing, 2nd Edition
By Marc Loy, Robert Eckstein, Dave Wood, James Elliott, Brian Cole
ISBN: 0-596-00408-7
Publisher: O"Reilly
*/
// RootExample2.java
//Another example of interacting with the root pane. We set the menubar
//for the frame directly through the root pane in this example.
//
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JRootPane;
public class RootExample2 {
public static void main(String[] args) {
JFrame f = new JFrame();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JRootPane root = f.getRootPane();
// Create a menu bar
JMenuBar bar = new JMenuBar();
JMenu menu = new JMenu("File");
bar.add(menu);
menu.add("Open");
menu.add("Close");
root.setJMenuBar(bar);
// Add a button to the content pane
root.getContentPane().add(new JButton("Hello World"));
// Display the UI
f.pack();
f.setVisible(true);
}
}

</source>



== Interact directly with the JRootPane of a JFrame ==



<source lang="java">

import java.awt.Container;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JRootPane;
public class Main {
public static void main(String[] args) {
JFrame f = new JFrame();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JRootPane root = f.getRootPane();
Container content = root.getContentPane();
content.add(new JButton("Hello"));
f.pack();
f.setVisible(true);
}
}

</source>



== Make a JFrame looks like a JDialog ==



<source lang="java">

import java.awt.Dimension;
import javax.swing.JFrame;
import javax.swing.JRootPane;
public class Main extends JFrame {
public Main() {
setTitle("like JDialog");
setSize(new Dimension(500, 100));
setUndecorated(true);
setResizable(false);
getRootPane().setWindowDecorationStyle(JRootPane.PLAIN_DIALOG);
setLocationRelativeTo(null);
setDefaultCloseOperation(EXIT_ON_CLOSE);
}
public static void main(String[] args) {
new Main().setVisible(true);
}
}

</source>



== No direct interaction with JRootPane ==



<source lang="java">

/*
Java Swing, 2nd Edition
By Marc Loy, Robert Eckstein, Dave Wood, James Elliott, Brian Cole
ISBN: 0-596-00408-7
Publisher: O"Reilly
*/
// RootExample3.java
//Similar to RootExample2, but this version uses the setJMenuBar() method
//from JFrame to attach the menu. No (direct) interaction with JRootPane
//is needed.
//
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
public class RootExample3 extends JFrame {
public RootExample3() {
super("RootPane Menu Demo");
setSize(220, 100);
setDefaultCloseOperation(EXIT_ON_CLOSE);
// Create a menu bar
JMenuBar bar = new JMenuBar();
JMenu menu = new JMenu("File");
bar.add(menu);
menu.add("Open");
menu.add("Close");
setJMenuBar(bar);
// Add a button to the content pane
getContentPane().add(new JButton("Hello World"));
}
public static void main(String[] args) {
RootExample3 re3 = new RootExample3();
re3.setVisible(true);
}
}

</source>

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Admin: 1 версия

в 18:01, 31 мая 2010