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SimpleSwingBrowser.java
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/*
 * Copyright (c) 2012, 2013 Oracle and/or its affiliates.
 * All rights reserved. Use is subject to license terms.
 *
 * This file is available and licensed under the following license:
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  - Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  - Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the distribution.
 *  - Neither the name of Oracle nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

                            

package simpleswingbrowser; 
 
import javafx.application.Platform;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.embed.swing.JFXPanel;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.web.WebEngine;
import javafx.scene.web.WebEvent;
import javafx.scene.web.WebView;
 
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.net.MalformedURLException;
import java.net.URL;
 
import static javafx.concurrent.Worker.State.FAILED;
  
public class SimpleSwingBrowser extends JFrame {
 
    private final JFXPanel jfxPanel = new JFXPanel();
    private WebEngine engine;
 
    private final JPanel panel = new JPanel(new BorderLayout());
    private final JLabel lblStatus = new JLabel();


    private final JButton btnGo = new JButton("Go");
    private final JTextField txtURL = new JTextField();
    private final JProgressBar progressBar = new JProgressBar();
 
    public SimpleSwingBrowser() {
        super();
        initComponents();
    }

    
    private void initComponents() {
        createScene();
 
        ActionListener al = new ActionListener() {
            @Override 
            public void actionPerformed(ActionEvent e) {
                loadURL(txtURL.getText());
            }
        };
 
        btnGo.addActionListener(al);
        txtURL.addActionListener(al);
  
        progressBar.setPreferredSize(new Dimension(150, 18));
        progressBar.setStringPainted(true);
  
        JPanel topBar = new JPanel(new BorderLayout(5, 0));
        topBar.setBorder(BorderFactory.createEmptyBorder(3, 5, 3, 5));
        topBar.add(txtURL, BorderLayout.CENTER);
        topBar.add(btnGo, BorderLayout.EAST);
 
        JPanel statusBar = new JPanel(new BorderLayout(5, 0));
        statusBar.setBorder(BorderFactory.createEmptyBorder(3, 5, 3, 5));
        statusBar.add(lblStatus, BorderLayout.CENTER);
        statusBar.add(progressBar, BorderLayout.EAST);
 
        panel.add(topBar, BorderLayout.NORTH);
        panel.add(jfxPanel, BorderLayout.CENTER);
        panel.add(statusBar, BorderLayout.SOUTH);
        
        getContentPane().add(panel);
        
        setPreferredSize(new Dimension(1024, 600));
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        pack();

    }
 
    private void createScene() {
 
        Platform.runLater(new Runnable() {
            @Override 
            public void run() {
 
                WebView view = new WebView();
                engine = view.getEngine();
 
                engine.titleProperty().addListener(new ChangeListener<String>() {
                    @Override
                    public void changed(ObservableValue<? extends String> observable, String oldValue, final String newValue) {
                        SwingUtilities.invokeLater(new Runnable() {
                            @Override 
                            public void run() {
                                SimpleSwingBrowser.this.setTitle(newValue);
                            }
                        });
                    }
                });
 
                engine.setOnStatusChanged(new EventHandler<WebEvent<String>>() {
                    @Override 
                    public void handle(final WebEvent<String> event) {
                        SwingUtilities.invokeLater(new Runnable() {
                            @Override 
                            public void run() {
                                lblStatus.setText(event.getData());
                            }
                        });
                    }
                });
 
                engine.locationProperty().addListener(new ChangeListener<String>() {
                    @Override
                    public void changed(ObservableValue<? extends String> ov, String oldValue, final String newValue) {
                        SwingUtilities.invokeLater(new Runnable() {
                            @Override 
                            public void run() {
                                txtURL.setText(newValue);
                            }
                        });
                    }
                });
 
                engine.getLoadWorker().workDoneProperty().addListener(new ChangeListener<Number>() {
                    @Override
                    public void changed(ObservableValue<? extends Number> observableValue, Number oldValue, final Number newValue) {
                        SwingUtilities.invokeLater(new Runnable() {
                            @Override 
                            public void run() {
                                progressBar.setValue(newValue.intValue());
                            }
                        });
                    }
                });

                engine.getLoadWorker()
                        .exceptionProperty()
                        .addListener(new ChangeListener<Throwable>() {
 
                            public void changed(ObservableValue<? extends Throwable> o, Throwable old, final Throwable value) {
                                if (engine.getLoadWorker().getState() == FAILED) {
                                    SwingUtilities.invokeLater(new Runnable() {
                                        @Override public void run() {
                                            JOptionPane.showMessageDialog(
                                                    panel,
                                                    (value != null) ?
                                                    engine.getLocation() + "\n" + value.getMessage() :
                                                    engine.getLocation() + "\nUnexpected error.",
                                                    "Loading error...",
                                                    JOptionPane.ERROR_MESSAGE);
                                        }
                                    });
                                }
                            }
                        });

                jfxPanel.setScene(new Scene(view));
            }
        });
    }
 
    public void loadURL(final String url) {
        Platform.runLater(new Runnable() {
            @Override 
            public void run() {
                String tmp = toURL(url);
 
                if (tmp == null) {
                    tmp = toURL("http://" + url);
                }
 
                engine.load(tmp);
            }
        });
    }

    private static String toURL(String str) {
        try {
            return new URL(str).toExternalForm();
        } catch (MalformedURLException exception) {
                return null;
        }
    }

   

    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {

            public void run() {
                SimpleSwingBrowser browser = new SimpleSwingBrowser();
                browser.setVisible(true);
                browser.loadURL("http://oracle.com");
           }     
       });
    }
}