Application: gvSIG desktop

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package org.gvsig.webbrowser.jfx;

import java.net.URL;

import java.text.MessageFormat;

import javafx.application.Platform;

import javafx.beans.value.ChangeListener;

import javafx.beans.value.ObservableValue;

import javafx.concurrent.Worker;

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.JComponent;

import org.gvsig.webbrowser.WebBrowserPanel;

/**

 *

 * @author jjdelcerro

 */

class JFXWebBrowser extends JFXPanel implements WebBrowserPanel.WebBrowser {

    private static final long serialVersionUID = 3021277085276506035L;

    private WebView view;

    private WebEngine engine;

    private Scene scene;

    private final WebBrowserPanel webBrowserPanel;

    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) {

                    webBrowserPanel.setURLText("");

                } else {

                    webBrowserPanel.setURLText(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) {

                webBrowserPanel.setURLText(engine.getLocation());

            }

        }

    }

    public JFXWebBrowser(WebBrowserPanel webBrowserPanel) {

        this.webBrowserPanel = webBrowserPanel;

        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) {

        }

    }

    @Override

    public JComponent asJComponent() {

        return this;

    }

}