112 lines
4.1 KiB
JavaScript
112 lines
4.1 KiB
JavaScript
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Rhino code, released May 6, 1999.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1997-1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* the GNU General Public License Version 2 or later (the "GPL"), in which
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* case the provisions of the GPL are applicable instead of those above. If
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* you wish to allow use of your version of this file only under the terms of
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* the GPL and not to allow others to use your version of this file under the
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* MPL, indicate your decision by deleting the provisions above and replacing
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* them with the notice and other provisions required by the GPL. If you do
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* not delete the provisions above, a recipient may use your version of this
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* file under either the MPL or the GPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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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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var swingNames = JavaImporter();
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swingNames.importPackage(Packages.javax.swing);
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swingNames.importPackage(Packages.java.awt);
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swingNames.importPackage(Packages.java.awt.event);
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function createComponents()
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{
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with (swingNames) {
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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.mnemonic = KeyEvent.VK_I;
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// Since Rhino 1.5R5 JS functions can be passed to Java method if
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// corresponding argument type is Java interface with single method
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// or all its methods have the same number of arguments and the
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// corresponding arguments has the same type. See also comments for
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// frame.addWindowListener bellow
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button.addActionListener(function() {
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numClicks += 1;
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label.setText(labelPrefix + numClicks);
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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.border = BorderFactory.createEmptyBorder(30, //top
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30, //left
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10, //bottom
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30); //right
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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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}
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with (swingNames) {
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try {
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UIManager.
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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 swingNames.JFrame("SwingApplication");
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frame.getContentPane().add(createComponents(), BorderLayout.CENTER);
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// Pass JS function as implementation of WindowListener. It is allowed since
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// all methods in WindowListener have the same signature. To distinguish
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// between methods Rhino passes to JS function the name of corresponding
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// method as the last argument
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frame.addWindowListener(function(event, methodName) {
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if (methodName == "windowClosing") {
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java.lang.System.exit(0);
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}
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});
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//Finish setting up the frame, and show it.
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frame.pack();
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frame.setVisible(true);
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}
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