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