import javafx.application.Application;
import javafx.application.HostServices;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.layout.HBox;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

public class HelloHostServices extends Application {

    @Override
    public void start(Stage stage) {
        final HostServices hs = getHostServices();
        final Label codeBaseText = new Label();
        final Label documentBaseText = new Label();
        final Label webContextText = new Label();
        final Label showDocumentText = new Label();

        stage.setTitle("Hello HostServices");

        String userDir = System.getProperty("user.dir");
        userDir = userDir.replace("\\", "/");
        System.err.println("userDir = " + userDir);
        if (!userDir.startsWith("/")) {
            userDir = "/" + userDir;
        }
        String testDocBase = "file:" + userDir + "/";
        System.err.println("testDocBase = " + testDocBase);
        System.err.println("DocumentBase = " + hs.getDocumentBase());
        System.err.println("testDocBase.equals(hs.getDocumentBase()) = "
                + testDocBase.equals(hs.getDocumentBase()));

        Button getCodeBaseBtn = new Button("Get CodeBase");
        getCodeBaseBtn.setOnAction(event -> codeBaseText.setText(
                hs.getCodeBase().isEmpty() ? "EMPTY" : hs.getCodeBase()));

        documentBaseText.setPrefWidth(400);
        Button getDocumentBaseBtn = new Button("Get DocumentBase");
        getDocumentBaseBtn.setOnAction(event -> documentBaseText.setText(hs.getDocumentBase()));

        // getWebContext() in HostServices has been deprecated and marked for removal
        Button getWebContextBtn = new Button("Get WebContext");
        getWebContextBtn.setOnAction(event -> webContextText.setText(
                (hs.getWebContext() != null) ? hs.getWebContext().toString() : "NULL"));

        Button showDocmentBtn = new Button("Show Document");
        showDocmentBtn.setOnAction(event
                -> showDocument(hs, showDocumentText, "http://www.oracle.com/java/"));

        VBox textBox = new VBox(15);
        textBox.setFillWidth(false);
        textBox.getChildren().addAll(codeBaseText, documentBaseText, webContextText, showDocumentText);

        VBox buttonBox = new VBox(5);
        buttonBox.getChildren().addAll(
                getCodeBaseBtn,
                getDocumentBaseBtn,
                getWebContextBtn,
                showDocmentBtn);

        HBox root = new HBox(7);
        root.setPadding(new Insets(11, 12, 12, 11));
        root.getChildren().addAll(buttonBox, textBox);
        stage.setScene(new Scene(root, 600, 150));
        stage.show();
    }

    private void showDocument(HostServices hs, Label showDocumentText, String urlStr) {
        showDocumentText.setText(urlStr + " will be shown in the browser.");
        hs.showDocument(urlStr);
    }

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        Application.launch(args);
    }
}