/*
* Christopher Deckers (chrriis@nextencia.net)
* http://www.nextencia.net
*
* See the file "readme.txt" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*/
package chrriis.dj.nativeswing.swtimpl.demo.examples.webbrowser;
import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.concurrent.atomic.AtomicReference;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import chrriis.common.UIUtils;
import chrriis.common.Utils;
import chrriis.dj.nativeswing.swtimpl.NativeInterface;
import chrriis.dj.nativeswing.swtimpl.components.JWebBrowser;
/**
* @author Christopher Deckers
*/
public class ConfirmedDisposal {
public static JComponent createContent() {
JPanel contentPane = new JPanel(new BorderLayout());
final JPanel webBrowserPanel = new JPanel(new BorderLayout());
webBrowserPanel.setBorder(BorderFactory.createTitledBorder("Native Web Browser component"));
final AtomicReference<JWebBrowser> webBrowserRef = new AtomicReference<JWebBrowser>();
webBrowserRef.set(createWebBrowser(webBrowserPanel));
contentPane.add(webBrowserPanel, BorderLayout.CENTER);
// Create an additional bar allowing to dispose the web browser cleanly.
JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.CENTER, 4, 4));
final JButton cleanDisposeButton = new JButton("Dispose With Confirmation");
final JButton createWebBrowserButton = new JButton("Create New Web Browser");
cleanDisposeButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
if(webBrowserRef.get().disposeNativePeer(true)) {
webBrowserPanel.removeAll();
webBrowserPanel.add(new JLabel("The web browser was disposed."), BorderLayout.CENTER);
webBrowserPanel.revalidate();
webBrowserPanel.repaint();
cleanDisposeButton.setVisible(false);
createWebBrowserButton.setVisible(true);
}
}
});
buttonPanel.add(cleanDisposeButton);
createWebBrowserButton.setVisible(false);
createWebBrowserButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
webBrowserRef.set(createWebBrowser(webBrowserPanel));
cleanDisposeButton.setVisible(true);
createWebBrowserButton.setVisible(false);
}
});
buttonPanel.add(createWebBrowserButton);
contentPane.add(buttonPanel, BorderLayout.SOUTH);
return contentPane;
}
private static final String LS = Utils.LINE_SEPARATOR;
private static JWebBrowser createWebBrowser(JPanel webBrowserPanel) {
webBrowserPanel.removeAll();
JWebBrowser webBrowser = new JWebBrowser();
webBrowser.setBarsVisible(false);
webBrowser.setHTMLContent(
"<html>" + LS +
" <head>" + LS +
" <script>" + LS +
" window.onbeforeunload = function() {" + LS +
" return 'Here, a normal page would tell you there is some unsaved data.';" + LS +
" };" + LS +
" </script>" + LS +
" </head>" + LS +
" <body>" + LS +
" <textarea rows=\"5\" cols=\"25\">A bogus editor...</textarea>" + LS +
" </body>" + LS +
"</html>");
webBrowserPanel.add(webBrowser, BorderLayout.CENTER);
webBrowserPanel.revalidate();
webBrowserPanel.repaint();
return webBrowser;
}
/* Standard main method to try that test as a standalone application. */
public static void main(String[] args) {
NativeInterface.open();
UIUtils.setPreferredLookAndFeel();
SwingUtilities.invokeLater(new Runnable() {
public void run() {
JFrame frame = new JFrame("DJ Native Swing Test");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().add(createContent(), BorderLayout.CENTER);
frame.setSize(800, 600);
frame.setLocationByPlatform(true);
frame.setVisible(true);
}
});
NativeInterface.runEventPump();
}
}