pjs/js/rhino/examples/SwingApplication.js

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1.8 KiB
JavaScript

/*
* SwingApplication.js - a translation into JavaScript of
* SwingApplication.java, a java.sun.com Swing example.
*
* @author Roger E Critchlow, Jr.
*/
importPackage(Packages.javax.swing);
importPackage(Packages.java.awt);
importPackage(Packages.java.awt.event);
function createComponents() {
var labelPrefix = "Number of button clicks: ";
var numClicks = 0;
var label = new JLabel(labelPrefix + numClicks);
var button = new JButton("I'm a Swing button!");
button.setMnemonic(KeyEvent.VK_I);
button.addActionListener(new ActionListener({
actionPerformed : function() {
numClicks += 1;
label.setText(labelPrefix + numClicks);
}
}));
label.setLabelFor(button);
/*
* An easy way to put space between a top-level container
* and its contents is to put the contents in a JPanel
* that has an "empty" border.
*/
var pane = new JPanel();
pane.setBorder(BorderFactory.createEmptyBorder(
30, //top
30, //left
10, //bottom
30) //right
);
pane.setLayout(new GridLayout(0, 1));
pane.add(button);
pane.add(label);
return pane;
}
try {
UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
} catch (e) { }
//Create the top-level container and add contents to it.
var frame = new JFrame("SwingApplication");
frame.getContentPane().add(createComponents(), BorderLayout.CENTER);
//Finish setting up the frame, and show it.
frame.addWindowListener(new WindowAdapter({
windowClosing : function() {
java.lang.System.exit(0);
}
}) );
frame.pack();
frame.setVisible(true);