Application: gvSIG desktop

package org.gvsig.webbrowser.jfx;

import java.awt.BorderLayout;

import java.awt.Dimension;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.KeyAdapter;

import java.awt.event.KeyEvent;

import java.net.MalformedURLException;

import java.net.URL;

import java.text.MessageFormat;

import org.gvsig.webbrowser.WebBrowserPanel;

import javafx.event.EventHandler;

import javafx.beans.value.ChangeListener;

import javafx.beans.value.ObservableValue;

import javafx.application.Platform;

import javafx.concurrent.Worker;

import javafx.embed.swing.JFXPanel;

import javafx.scene.web.WebView;

import javafx.scene.Scene;

import javafx.scene.web.WebEngine;

import javafx.scene.web.WebEvent;

import javax.swing.ImageIcon;

import javax.swing.JComponent;

import javax.swing.JTextField;

public class JFXWebBrowserPanel extends JFXWebBrowserPanelView implements WebBrowserPanel {

    private static final long serialVersionUID = -5048314340699267249L;

    private JFXWebBrowser browser;

    private class JFXWebBrowser extends JFXPanel {

        private static final long serialVersionUID = 3021277085276506035L;

        private WebView view;

        private WebEngine engine;

        private Scene scene;

        private class MyEventHandler implements EventHandler<WebEvent<String>> {

            @Override

            public void handle(WebEvent<String> event) {

                if( event.getEventType() == WebEvent.STATUS_CHANGED ) {

                    String s = event.getData();

                    if( s == null ) {

                        lblStatus.setText("");

                    } else {

                        lblStatus.setText(s);

                    }

                }

            }

        }

        private class MyChangeListener implements ChangeListener<Worker.State> {

            @Override

            public void changed(ObservableValue<? extends Worker.State> ov, Worker.State oldState, Worker.State newState) {

                if( newState == Worker.State.SUCCEEDED ) {

                    txtURL.setText(engine.getLocation());

                }

            }

        }

        public JFXWebBrowser() {

            this.view = null;

            this.engine = null;

            this.scene = null;

            Platform.runLater(new Runnable() {

                @Override

                public void run() {

                    createScene();

                }

            });

            Platform.setImplicitExit(false);

        }

        private void createScene() {

            this.view = new WebView();

            this.engine = this.view.getEngine();

            this.engine.setOnStatusChanged(new MyEventHandler());

            this.engine.getLoadWorker().stateProperty().addListener(new MyChangeListener());

            this.engine.setJavaScriptEnabled(true);

            this.scene = new Scene(this.view);

            this.setScene(this.scene);

        }

        private void load(URL url) {

            this.engine.load(url.toString());

            this.revalidate();

        }

        private void loadContent(String content, String contentType) {

            this.engine.loadContent(content, contentType);

            this.revalidate();

        }

        private void goHistory(int index) {

            this.engine.getHistory().go(index);

        }

        public void setPage(final URL url) {

            Platform.runLater(new Runnable() {

                @Override

                public void run() {

                    load(url);

                }

            });

        }

        public void setContent(final String content, final String contentType) {

            Platform.runLater(new Runnable() {

                @Override

                public void run() {

                    loadContent(content, contentType);

                }

            });

        }

        public void goPrevious() {

            Platform.runLater(new Runnable() {

                @Override

                public void run() {

                    goHistory(-1);

                }

            });

        }

        public void goNext() {

            Platform.runLater(new Runnable() {

                @Override

                public void run() {

                    goHistory(1);

                }

            });

        }

        public String getPage() {

            return this.engine.getLocation();

        }

        public String getTitle() {

            return this.engine.getTitle();

        }

        public Object executeScript(String js) {

            Object r = this.engine.executeScript(js);

            return r;

        }

        public void find(final String text, final boolean backwards) {

            try {

                Platform.runLater(new Runnable() {

                    @Override

                    public void run() {

                        String script = MessageFormat.format(

                            "window.find(\"{0}\",false,{1},true)",

                            text,

                            backwards ? "true" : "false"

                        );

                    }

                });

            } catch (Throwable th) {

            }

        }

    }

    public JFXWebBrowserPanel() {

        this.initComponents();

    }

    private void initComponents() {

        this.browser = new JFXWebBrowser();

        this.containerBrowser.setLayout(new BorderLayout());

        this.containerBrowser.add(this.browser, BorderLayout.CENTER);

        this.btnPrevious.setIcon(imageIcon("/images/webbrowser/arrow_left.png"));

        this.btnNext.setIcon(imageIcon("/images/webbrowser/arrow_right.png"));

        this.btnRefresh.setIcon(imageIcon("/images/webbrowser/arrow_refresh.png"));

        this.btnConfig.setIcon(imageIcon("/images/webbrowser/add.png"));

        this.btnSearchPrevious.setIcon(imageIcon("/images/webbrowser/arrow_up.png"));

        this.btnSearchNext.setIcon(imageIcon("/images/webbrowser/arrow_down.png"));

        this.imgSearch.setIcon(imageIcon("/images/webbrowser/search.png"));

        this.txtURL.addKeyListener(new KeyAdapter() {

            @Override

            public void keyPressed(KeyEvent keyEvent) {

                if( keyEvent.getKeyChar() == '\n' ) {

                    setPage(txtURL.getText());

                }

            }

        });

        this.txtSearch.addKeyListener(new KeyAdapter() {

            @Override

            public void keyPressed(KeyEvent event) {

                JTextField jtext = txtSearch;

                if( event.getKeyChar() == 0x1b ) { // ESC

                  jtext.setText("");

                  browser.find("", true);

                } else if( event.getKeyChar() == '\n' ) {

                  browser.find(jtext.getText(), true);

                }

            }

        });

        this.btnSearchPrevious.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

                browser.find(txtSearch.getText(),false);

            }

        });

        this.btnSearchNext.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

                browser.find(txtSearch.getText(),true);

            }

        });

        this.btnPrevious.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

                browser.goPrevious();

            }

        });

        this.btnNext.addActionListener(new ActionListener() {

            @Override

            public void actionPerformed(ActionEvent e) {

                browser.goNext();

            }

        });

        this.setPreferredSize(new Dimension(600, 500));

    }

    private ImageIcon imageIcon(String res) {

        URL url = this.getClass().getClassLoader().getResource(res);

        if( url == null ) {

            return new ImageIcon();

        }

        return new ImageIcon(url);

    }

    @Override

    public void setPage(String url) {

        try {

            this.setPage(new URL(url));

        } catch (MalformedURLException ex) {

            throw new RuntimeException(ex);

        }

    }

    @Override

    public void setPage(URL url) {

        this.txtURL.setText(url.toString());

        this.browser.setPage(url);

    }

    @Override

    public String getPage() {

        return this.browser.getPage();

    }

    @Override

    public void setContent(final String content, final String contentType) {

        this.browser.setContent(content, contentType);

    }

    @Override

    public String getTitle() {

        return this.browser.getTitle();

    }

    @Override

    public JComponent asJComponent() {

        return this;

    }

}