package javafxsamples;

import javafx.application.Application;
import javafx.beans.value.InvalidationListener;
import javafx.beans.value.ObservableValue;
import javafx.builders.SplitPaneBuilder;
import javafx.builders.TextBoxBuilder;
import javafx.builders.VBoxBuilder;
import javafx.geometry.Orientation;
import javafx.scene.Scene;
import javafx.scene.control.ListView;
import javafx.scene.control.SplitPane;
import javafx.scene.control.TextBox;
import javafx.scene.layout.VBox;
import javafx.scene.web.WebEngine;
import javafx.scene.web.WebView;
import javafx.stage.Stage;

/**
 *
 * @author Alex
 */
public class WebApp extends Application {

    final String mainUrl = "http://www.google.com";
    final String searchUrl = mainUrl + "/search?q=";
    TextBox mainTextBox;
    TextBox searchTextBox;
    WebView webView;
    WebEngine webEngine;
    ListView navListView;

    public WebApp() {
    }

    @Override
    public void start(Stage primaryStage) throws Exception {
        webEngine = new WebEngine(mainUrl);
        webEngine.locationProperty().addListener(new InvalidationListener<String>() {
            @Override
            public void invalidated(ObservableValue<? extends String> observable) {
                String url = observable.getValue();
                mainTextBox.setText(url);
                if (!navListView.getItems().contains(url)) {
                    navListView.getItems().add(url);
                }
            }
        });

        webView = new WebView(webEngine);
        mainTextBox = new TextBoxBuilder().text(mainUrl).build();
        searchTextBox = new TextBoxBuilder().build();
        mainTextBox.setAction(new Runnable() {

            @Override
            public void run() {
                navTo(mainTextBox.getText());
            }
        });
        searchTextBox.setAction(new Runnable() {

            @Override
            public void run() {
                navTo(searchUrl + searchTextBox.getText());
            }
        });
        navListView = new ListView();
        navListView.getSelectionModel().selectedItemProperty().addListener(new InvalidationListener() {

            @Override
            public void invalidated(ObservableValue observable) {
                String url = observable.getValue().toString();
                navTo(url);
            }
        });

        SplitPane splitPaneNav = new SplitPaneBuilder()
                .items(mainTextBox, searchTextBox).build();
        splitPaneNav.setDividerPosition(0, .8);
        SplitPane pane = new SplitPaneBuilder().orientation(Orientation.VERTICAL).items(navListView, webView).build();
        pane.setDividerPosition(0, .2);
        final VBox mainBox = new VBoxBuilder().spacing(5).children(splitPaneNav, pane).build();
        Scene s = new Scene(mainBox, 600, 500);
        primaryStage.setScene(s);
        primaryStage.setVisible(true);
    }
    
    void navTo(String url){
        mainTextBox.setText(url);
        webEngine.load(url);
    }
    
    public static void main(String[] args) {
        launch(args);
    }
}