Example usage for javafx.concurrent Task setOnSucceeded

List of usage examples for javafx.concurrent Task setOnSucceeded

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Introduction

In this page you can find the example usage for javafx.concurrent Task setOnSucceeded.

Prototype

public final void setOnSucceeded(EventHandler<WorkerStateEvent> value)

Source Link

Document

The onSucceeded event handler is called whenever the Task state transitions to the SUCCEEDED state.

Usage

From source file:ui.main.MainViewController.java

private synchronized void paintWarningInRecieve(Chat chat, String Warning, String time) {
    //this method draws the recievied text message
    Task<HBox> recievedMessages = new Task<HBox>() {
        @Override/*w  w w  .java 2s  . c o  m*/
        protected HBox call() throws Exception {

            VBox vbox = new VBox(); //to add text

            ImageView imageRec = new ImageView(chatterAvatar.getImage()); //image
            imageRec.setFitHeight(60);
            imageRec.setFitWidth(50);

            String strChatterName = chat.getParticipant(); //add name of the chatter with light color
            strChatterName = Character.toUpperCase(strChatterName.charAt(0))
                    + strChatterName.substring(1, strChatterName.indexOf("@"));
            Label chatterName = new Label(strChatterName);
            chatterName.setDisable(true);

            Label timeL = new Label(time);
            timeL.setDisable(true);
            timeL.setFont(new Font("Arial", 10));

            //chat message
            BubbledLabel bbl = new BubbledLabel();
            bbl.setText(Warning);
            bbl.setBackground(new Background(new BackgroundFill(Color.RED, null, null)));

            vbox.getChildren().addAll(chatterName, bbl, timeL);
            vbox.setAlignment(Pos.CENTER_RIGHT);
            HBox hbox = new HBox();
            bbl.setBubbleSpec(BubbleSpec.FACE_LEFT_CENTER);
            hbox.getChildren().addAll(imageRec, vbox);
            return hbox;
        }
    };

    recievedMessages.setOnSucceeded(event -> {
        chatList.getChildren().add(recievedMessages.getValue());
        scrollPane.setVvalue(scrollPane.getHmax());
        scrollPane.setVvalue(scrollPane.getHmax());
    });

    if (chat.getParticipant().contains(currentChat.getParticipant())) {
        Thread t = new Thread(recievedMessages);
        t.start();
        try {
            t.join();
        } catch (InterruptedException ex) {
            Logger.getLogger(MainViewController.class.getName()).log(Level.SEVERE, null, ex);
        }
        //t.setDaemon(true);

    }
}

From source file:ui.main.MainViewController.java

private synchronized void paintReceivedMessage(Chat chat, String msg, String time) {
    //this method draws the recievied text message
    Task<HBox> recievedMessages = new Task<HBox>() {
        @Override/*from   w  w w. j  a v a2 s .c o m*/
        protected HBox call() throws Exception {

            VBox vbox = new VBox(); //to add text

            ImageView imageRec = new ImageView(chatterAvatar.getImage()); //image
            imageRec.setFitHeight(60);
            imageRec.setFitWidth(50);

            String strChatterName = chat.getParticipant(); //add name of the chatter with light color
            strChatterName = Character.toUpperCase(strChatterName.charAt(0))
                    + strChatterName.substring(1, strChatterName.indexOf("@"));
            Label chatterName = new Label(strChatterName);
            chatterName.setDisable(true);

            Label timeL = new Label(time);
            timeL.setDisable(true);
            timeL.setFont(new Font("Arial", 10));

            //chat message
            BubbledLabel bbl = new BubbledLabel();
            bbl.setText(msg);
            bbl.setBackground(new Background(new BackgroundFill(Color.GAINSBORO, null, null)));

            vbox.getChildren().addAll(chatterName, bbl, timeL);
            vbox.setAlignment(Pos.CENTER_RIGHT);
            HBox hbox = new HBox();
            bbl.setBubbleSpec(BubbleSpec.FACE_LEFT_CENTER);
            hbox.getChildren().addAll(imageRec, vbox);
            return hbox;
        }
    };

    recievedMessages.setOnSucceeded(event -> {
        chatList.getChildren().add(recievedMessages.getValue());

    });

    if (chat.getParticipant().contains(currentChat.getParticipant())) {
        Thread t = new Thread(recievedMessages);
        //t.setDaemon(true);
        t.start();
        try {
            t.join();
        } catch (InterruptedException ex) {
            Logger.getLogger(MainViewController.class.getName()).log(Level.SEVERE, null, ex);
        }
        scrollPane.setVvalue(scrollPane.getHmax());
    }
}

From source file:ui.main.MainViewController.java

private synchronized void paintSentFile(Chat chat, String path, String time) {
    //this method paints the recieved picture message
    Task<HBox> recievedMessages = new Task<HBox>() {
        @Override//  w ww.  j  ava 2 s  .c om
        protected HBox call() throws Exception {
            Thread.sleep(100);
            VBox vbox = new VBox(); //to add text

            ImageView imageRec = new ImageView(myAvatar.getImage()); //image
            imageRec.setFitHeight(60);
            imageRec.setFitWidth(50);

            Label timeL = new Label(time);
            timeL.setDisable(true);
            timeL.setFont(new Font("Arial", 10));

            Label chatterName = new Label(name.getText());
            chatterName.setDisable(true);

            Hyperlink link = new Hyperlink("File Sent: " + path);
            link.addEventHandler(MouseEvent.MOUSE_CLICKED, new EventHandler<javafx.scene.input.MouseEvent>() {
                @Override
                public void handle(javafx.scene.input.MouseEvent event) {
                    try {
                        if (event.getButton() == MouseButton.PRIMARY) {
                            Runtime.getRuntime().exec("explorer.exe /select," + path);
                        }
                    } catch (IOException ex) {
                        Logger.getLogger(MainViewController.class.getName()).log(Level.SEVERE, null, ex);
                    }
                }
            });
            vbox.getChildren().addAll(chatterName, link, timeL);
            vbox.setAlignment(Pos.CENTER_LEFT);
            HBox hbox = new HBox();
            hbox.setAlignment(Pos.CENTER_RIGHT);
            //bbl.setBubbleSpec(BubbleSpec.FACE_LEFT_CENTER);
            hbox.getChildren().addAll(vbox, imageRec);
            return hbox;
        }
    };

    recievedMessages.setOnSucceeded(event -> {
        chatList.getChildren().add(recievedMessages.getValue());
    });

    if (chat.getParticipant().contains(currentChat.getParticipant())) {
        Thread t = new Thread(recievedMessages);
        t.start();
        try {
            t.join();
        } catch (InterruptedException ex) {
            Logger.getLogger(MainViewController.class.getName()).log(Level.SEVERE, null, ex);
        }

    }
}

From source file:ui.main.MainViewController.java

private synchronized void paintReceivedFile(Chat chat, String path, String time) {
    //this method paints the recieved picture message
    Task<HBox> recievedMessages = new Task<HBox>() {
        @Override//from   w  w w.j  a  va2s  .co  m
        protected HBox call() throws Exception {
            Thread.sleep(100);
            VBox vbox = new VBox(); //to add text

            ImageView imageRec = new ImageView(chatterAvatar.getImage()); //image
            imageRec.setFitHeight(60);
            imageRec.setFitWidth(50);

            String strChatterName = chat.getParticipant(); //add name of the chatter with light color
            strChatterName = Character.toUpperCase(strChatterName.charAt(0))
                    + strChatterName.substring(1, strChatterName.indexOf("@"));
            Label chatterName = new Label(strChatterName);
            chatterName.setDisable(true);

            Label timeL = new Label(time);
            timeL.setDisable(true);
            timeL.setFont(new Font("Arial", 10));

            Hyperlink link = new Hyperlink("File Recieved: " + path);
            link.addEventHandler(MouseEvent.MOUSE_CLICKED, new EventHandler<javafx.scene.input.MouseEvent>() {
                @Override
                public void handle(javafx.scene.input.MouseEvent event) {
                    try {
                        if (event.getButton() == MouseButton.PRIMARY) {
                            Runtime.getRuntime().exec("explorer.exe /select," + path);
                        }
                    } catch (IOException ex) {
                        Logger.getLogger(MainViewController.class.getName()).log(Level.SEVERE, null, ex);
                    }
                }
            });
            vbox.getChildren().addAll(chatterName, link, timeL);
            vbox.setAlignment(Pos.CENTER_RIGHT);
            HBox hbox = new HBox();
            //bbl.setBubbleSpec(BubbleSpec.FACE_LEFT_CENTER);
            hbox.getChildren().addAll(imageRec, vbox);
            return hbox;
        }
    };

    recievedMessages.setOnSucceeded(event -> {
        chatList.getChildren().add(recievedMessages.getValue());
    });

    if (chat.getParticipant().contains(currentChat.getParticipant())) {
        Thread t = new Thread(recievedMessages);
        //t.setDaemon(true);
        t.start();
        try {
            t.join();
        } catch (InterruptedException ex) {
            Logger.getLogger(MainViewController.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
    //set the received chat message appear on the screen
    if (chat.getParticipant().contains(currentChat.getParticipant())) {
        Thread t = new Thread(recievedMessages);
        t.start();
    }
    Task t = new Task() {
        @Override
        protected Object call() throws Exception {
            Thread.sleep(2500);
            return new Object();
        }
    };

    t.setOnSucceeded(value -> scrollPane.setVvalue(scrollPane.getHmax()));

    Thread thread1 = new Thread(t);
    thread1.start();

}

From source file:ui.main.MainViewController.java

private void paintConversationMessage(Message msg) {
    //this method draws the recievied text message
    Task<HBox> recievedMessages = new Task<HBox>() {
        @Override//from   w w  w.  j av a  2  s  .co  m
        protected HBox call() throws Exception {

            VBox vbox = new VBox(); //to add text
            String user = msg.getFrom();
            user = user.substring(user.indexOf("/") + 1, user.length());
            ImageView imageView = new ImageView(); //image
            imageView.setFitHeight(60);
            imageView.setFitWidth(50);
            VCard vcard = new VCard();
            try {
                vcard.load(ConnectionManager.getConnectionManager().getXMPPConnection(),
                        user.concat(AppData.serviceNameAt));
                if (vcard.getAvatar() != null) {
                    BufferedImage img = ImageIO.read(new ByteArrayInputStream(vcard.getAvatar()));
                    Image image = SwingFXUtils.toFXImage(img, null);
                    imageView.setImage(image);
                } else {
                    Image defaultAvatar = new Image("resources/defaultAvatar.png", 50, 60, true, true);
                    imageView.setImage(defaultAvatar);
                }
            } catch (XMPPException e) {
                Image defaultAvatar = new Image("resources/defaultAvatar.png", 50, 60, true, true);
                imageView.setImage(defaultAvatar);
                System.out.println(e);
            }

            Label chatterName = new Label(user);
            chatterName.setDisable(true);

            //chat message
            BubbledLabel bbl = new BubbledLabel();
            bbl.setText(msg.getBody());
            bbl.setBackground(new Background(new BackgroundFill(Color.GAINSBORO, null, null)));

            vbox.getChildren().addAll(chatterName, bbl);
            vbox.setAlignment(Pos.CENTER_RIGHT);
            HBox hbox = new HBox();
            bbl.setBubbleSpec(BubbleSpec.FACE_LEFT_CENTER);
            hbox.getChildren().addAll(imageView, vbox);
            return hbox;
        }
    };

    recievedMessages.setOnSucceeded(event -> {
        chatList.getChildren().add(recievedMessages.getValue());

    });

    Thread t = new Thread(recievedMessages);
    //t.setDaemon(true);
    t.start();
    try {
        t.join();
    } catch (InterruptedException ex) {
        Logger.getLogger(MainViewController.class.getName()).log(Level.SEVERE, null, ex);
    }
    Task t1 = new Task() {
        @Override
        protected Object call() throws Exception {
            Thread.sleep(500);
            return new Object();
        }
    };

    t1.setOnSucceeded(value -> scrollPane.setVvalue(scrollPane.getHmax()));

    Thread thread1 = new Thread(t1);
    thread1.start();
}

From source file:ui.main.MainViewController.java

private synchronized void paintSentPhoto(Chat chat, File file, String time) {
    //this method paints the recieved picture message
    Task<HBox> recievedMessages = new Task<HBox>() {
        @Override/*from  w  w w .  ja v a  2  s .c o m*/
        protected HBox call() throws Exception {
            //                Thread.sleep(100);
            VBox vbox = new VBox(); //to add text

            ImageView imageRec = new ImageView(myAvatar.getImage()); //image
            imageRec.setFitHeight(60);
            imageRec.setFitWidth(50);

            Label chatterName = new Label(name.getText());
            chatterName.setDisable(true);

            Label timeL = new Label(time);
            timeL.setDisable(true);
            timeL.setFont(new Font("Arial", 10));

            try {
                Image recievedImage = SwingFXUtils.toFXImage(ImageIO.read(file), null);
                ImageView receivedImageView = new ImageView(recievedImage);
                receivedImageView.setFitHeight(300);
                receivedImageView.setFitWidth(300);
                receivedImageView.setPreserveRatio(true);

                receivedImageView.setOnMouseClicked(new EventHandler<MouseEvent>() {
                    @Override
                    public void handle(MouseEvent event) {
                        if (event.getButton() == MouseButton.PRIMARY) {
                            Desktop dt = Desktop.getDesktop();
                            try {
                                dt.open(file);
                            } catch (IOException ex) {
                                Logger.getLogger(MainViewController.class.getName()).log(Level.SEVERE, null,
                                        ex);
                            }
                        }
                    }
                });

                receivedImageView.setOnMouseEntered(new EventHandler<MouseEvent>() {
                    @Override
                    public void handle(MouseEvent event) {
                        chatList.getScene().setCursor(Cursor.HAND);
                    }
                });

                receivedImageView.setOnMouseExited(new EventHandler<MouseEvent>() {
                    @Override
                    public void handle(MouseEvent event) {
                        chatList.getScene().setCursor(Cursor.DEFAULT);
                    }
                });

                vbox.getChildren().addAll(chatterName, receivedImageView, timeL);
            } catch (IOException e) {
                e.printStackTrace();
            }
            vbox.setAlignment(Pos.CENTER_LEFT);
            HBox hbox = new HBox();
            hbox.setAlignment(Pos.CENTER_RIGHT);
            //bbl.setBubbleSpec(BubbleSpec.FACE_LEFT_CENTER);
            hbox.getChildren().addAll(vbox, imageRec);
            return hbox;
        }
    };

    recievedMessages.setOnSucceeded(event -> {
        chatList.getChildren().add(recievedMessages.getValue());
    });

    if (chat.getParticipant().contains(currentChat.getParticipant())) {
        Thread t = new Thread(recievedMessages);
        t.start();
        try {
            t.join();
        } catch (InterruptedException ex) {
            Logger.getLogger(MainViewController.class.getName()).log(Level.SEVERE, null, ex);
        }
    }
}

From source file:ui.main.MainViewController.java

private synchronized void paintReceivedPhotoOnTransmit(Chat chat, File recievedFile, String time) {
    //this method paints the recieved picture message
    Task<HBox> recievedMessages = new Task<HBox>() {
        @Override/* w  w  w  .  j  ava2s .  c  o  m*/
        protected HBox call() throws Exception {
            VBox vbox = new VBox(); //to add text
            Thread.sleep(2000);
            ImageView imageRec = new ImageView(chatterAvatar.getImage()); //image
            imageRec.setFitHeight(60);
            imageRec.setFitWidth(50);

            String strChatterName = chat.getParticipant(); //add name of the chatter with light color
            strChatterName = Character.toUpperCase(strChatterName.charAt(0))
                    + strChatterName.substring(1, strChatterName.indexOf("@"));
            Label chatterName = new Label(strChatterName);
            chatterName.setDisable(true);

            Label timeL = new Label(time);
            timeL.setDisable(true);
            timeL.setFont(new Font("Arial", 10));

            try {
                Image recievedImage = SwingFXUtils.toFXImage(ImageIO.read(recievedFile), null);
                ImageView receivedImageView = new ImageView(recievedImage);
                receivedImageView.setFitHeight(300);
                receivedImageView.setFitWidth(300);
                receivedImageView.setPreserveRatio(true);

                receivedImageView.setOnMouseClicked(new EventHandler<MouseEvent>() {
                    @Override
                    public void handle(MouseEvent event) {
                        if (event.getButton() == MouseButton.PRIMARY) {
                            Desktop dt = Desktop.getDesktop();
                            try {
                                dt.open(recievedFile);
                            } catch (IOException ex) {
                                Logger.getLogger(MainViewController.class.getName()).log(Level.SEVERE, null,
                                        ex);
                            }
                        }
                    }
                });

                receivedImageView.setOnMouseEntered(new EventHandler<MouseEvent>() {
                    @Override
                    public void handle(MouseEvent event) {
                        chatList.getScene().setCursor(Cursor.HAND);
                    }
                });

                receivedImageView.setOnMouseExited(new EventHandler<MouseEvent>() {
                    @Override
                    public void handle(MouseEvent event) {
                        chatList.getScene().setCursor(Cursor.DEFAULT);
                    }
                });

                vbox.getChildren().addAll(chatterName, receivedImageView, timeL);
            } catch (IOException e) {
                e.printStackTrace();
            }
            vbox.setAlignment(Pos.CENTER_RIGHT);
            HBox hbox = new HBox();
            hbox.getChildren().addAll(imageRec, vbox);
            return hbox;
        }
    };

    recievedMessages.setOnSucceeded(event -> {
        chatList.getChildren().add(recievedMessages.getValue());
    });
    //set the received chat message appear on the screen
    if (chat.getParticipant().contains(currentChat.getParticipant())) {
        Thread t = new Thread(recievedMessages);
        t.start();
    }
    Task t = new Task() {
        @Override
        protected Object call() throws Exception {
            Thread.sleep(2500);
            return new Object();
        }
    };

    t.setOnSucceeded(value -> scrollPane.setVvalue(scrollPane.getHmax()));

    Thread thread1 = new Thread(t);
    thread1.start();
}

From source file:ui.main.MainViewController.java

private synchronized void paintReceivedPhotoLoad(Chat chat, File recievedFile, String time) {
    //this method paints the recieved picture message
    Task<HBox> recievedMessages = new Task<HBox>() {
        @Override//from w w w.j a v a  2s.c om
        protected HBox call() throws Exception {
            Thread.sleep(100);
            VBox vbox = new VBox(); //to add text

            ImageView imageRec = new ImageView(chatterAvatar.getImage()); //image
            imageRec.setFitHeight(60);
            imageRec.setFitWidth(50);

            String strChatterName = chat.getParticipant(); //add name of the chatter with light color
            strChatterName = Character.toUpperCase(strChatterName.charAt(0))
                    + strChatterName.substring(1, strChatterName.indexOf("@"));
            Label chatterName = new Label(strChatterName);
            chatterName.setDisable(true);

            Label timeL = new Label(time);
            timeL.setDisable(true);
            timeL.setFont(new Font("Arial", 10));

            try {
                Image recievedImage = SwingFXUtils.toFXImage(ImageIO.read(recievedFile), null);
                ImageView receivedImageView = new ImageView(recievedImage);
                receivedImageView.setFitHeight(300);
                receivedImageView.setFitWidth(300);
                receivedImageView.setPreserveRatio(true);

                receivedImageView.setOnMouseClicked(new EventHandler<MouseEvent>() {
                    @Override
                    public void handle(MouseEvent event) {
                        if (event.getButton() == MouseButton.PRIMARY) {
                            Desktop dt = Desktop.getDesktop();
                            try {
                                dt.open(recievedFile);
                            } catch (IOException ex) {
                                Logger.getLogger(MainViewController.class.getName()).log(Level.SEVERE, null,
                                        ex);
                            }
                        }
                    }
                });

                receivedImageView.setOnMouseEntered(new EventHandler<MouseEvent>() {
                    @Override
                    public void handle(MouseEvent event) {
                        chatList.getScene().setCursor(Cursor.HAND);
                    }
                });

                receivedImageView.setOnMouseExited(new EventHandler<MouseEvent>() {
                    @Override
                    public void handle(MouseEvent event) {
                        chatList.getScene().setCursor(Cursor.DEFAULT);
                    }
                });

                vbox.getChildren().addAll(chatterName, receivedImageView, timeL);
            } catch (IOException e) {
                e.printStackTrace();
            }
            vbox.setAlignment(Pos.CENTER_RIGHT);
            HBox hbox = new HBox();
            //bbl.setBubbleSpec(BubbleSpec.FACE_LEFT_CENTER);
            hbox.getChildren().addAll(imageRec, vbox);
            return hbox;
        }
    };

    recievedMessages.setOnSucceeded(event -> {
        chatList.getChildren().add(recievedMessages.getValue());
    });

    if (chat.getParticipant().contains(currentChat.getParticipant())) {
        Thread t = new Thread(recievedMessages);
        t.start();
        try {
            t.join();
        } catch (InterruptedException ex) {
            Logger.getLogger(MainViewController.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

}

From source file:snpviewer.SnpViewer.java

public void displayFlankingSnpIDs(final String chrom, final double start, final double end) {
    final Task<List<String>> displayTask = new Task<List<String>>() {
        @Override/*  www.jav a2 s  .c o  m*/
        protected List<String> call() {
            updateProgress(-1, -1);
            updateTitle("Finding flanking SNPs");
            updateMessage("Searching for nearest SNP in all files...");
            //work out coordinates based on chromosome and pane sizes
            /* read SnpFiles to find closest SNPs - use binary search
            * to find nearby SNP and refine to closest
            */
            List<SnpFile.SnpLine> startAndEndSnps = searchCoordinate(chrom, (int) start, (int) end);
            if (startAndEndSnps == null) {
                //DISPLAY ERROR HERE?
                return null;
            }
            String coordResult = "chr" + chrom + ":" + nf.format(startAndEndSnps.get(0).getPosition()) + "-"
                    + nf.format(startAndEndSnps.get(1).getPosition());
            String idResult = startAndEndSnps.get(0).getId() + ";" + startAndEndSnps.get(1).getId();
            List<String> result = new ArrayList();
            result.add(coordResult);
            result.add(idResult);
            return result;
        }
    };

    setProgressMode(true);
    progressBar.progressProperty().bind(displayTask.progressProperty());
    progressMessage.textProperty().unbind();
    progressMessage.textProperty().bind(displayTask.messageProperty());
    progressTitle.textProperty().unbind();
    progressTitle.textProperty().bind(displayTask.titleProperty());
    displayTask.setOnSucceeded(new EventHandler<WorkerStateEvent>() {
        @Override
        public void handle(WorkerStateEvent e) {
            setProgressMode(false);
            progressBar.progressProperty().unbind();
            progressBar.progressProperty().set(0);
            progressTitle.textProperty().unbind();
            progressMessage.textProperty().unbind();
            progressTitle.setText("");
            progressMessage.setText("");
        }

    });
    displayTask.setOnFailed(new EventHandler<WorkerStateEvent>() {
        @Override
        public void handle(WorkerStateEvent e) {
            setProgressMode(false);
            progressBar.progressProperty().unbind();
            progressBar.progressProperty().set(0);
            progressTitle.textProperty().unbind();
            progressMessage.textProperty().unbind();
            progressTitle.setText("");
            progressMessage.setText("");
            Dialogs.showErrorDialog(null, "Error displaying flanking SNPs\n", "Display error", "SNP Viewer",
                    displayTask.getException());

        }

    });
    displayTask.setOnCancelled(new EventHandler<WorkerStateEvent>() {
        @Override
        public void handle(WorkerStateEvent e) {
            progressMessage.setText("Display flanking SNPs cancelled");
            setProgressMode(false);
            progressBar.progressProperty().unbind();
            progressBar.progressProperty().set(0);
            progressTitle.textProperty().unbind();
            progressMessage.textProperty().unbind();
            progressTitle.setText("");
            progressMessage.setText("");
            Dialogs.showErrorDialog(null, "User cancelled display.", "Display error", "SNP Viewer",
                    displayTask.getException());
        }

    });
    cancelButton.setOnAction(new EventHandler<ActionEvent>() {
        @Override
        public void handle(ActionEvent actionEvent) {
            displayTask.cancel();

        }
    });
    new Thread(displayTask).start();
    try {
        List<String> result = displayTask.get();
        FXMLLoader loader = new FXMLLoader(getClass().getResource("RegionReporter.fxml"));
        Stage stage = new Stage();
        Pane page = (Pane) loader.load();
        Scene scene = new Scene(page);
        stage.setScene(scene);
        stage.setTitle("SNP Viewer Region Summary");
        stage.getIcons().add(new Image(this.getClass().getResourceAsStream("icon.png")));
        RegionReporterController regionReporter = loader.<RegionReporterController>getController();
        if (result == null) {
            regionReporter.setCoordinates("Error!");
            regionReporter.setIds("Error!");
        } else {
            regionReporter.setCoordinates(result.get(0));
            regionReporter.setIds(result.get(1));
        }
        scene.getStylesheets().add(SnpViewer.class.getResource("SnpViewerStyleSheet.css").toExternalForm());
        stage.setResizable(false);
        stage.initModality(Modality.NONE);

        stage.show();
    } catch (InterruptedException | ExecutionException | IOException ex) {
        Dialogs.showErrorDialog(null,
                "Can't display flanking SNP IDs" + " - exception caught!\n\nPlease report this error.",
                "Error!", "SNP Viewer", ex);
    }

}

From source file:snpviewer.SnpViewer.java

public void saveRegion(final String chromosome, final double startCoordinate, final double endCoordinate) {
    final Task<RegionSummary> saveSelectionTask = new Task<RegionSummary>() {
        @Override//from   ww  w.j  av  a  2s  .  c  om
        protected RegionSummary call() throws Exception {
            try {
                updateProgress(-1, -1);
                updateTitle("Finding flanking SNPs");
                updateMessage("Searching for nearest SNP in all files...");

                /* read SnpFiles to find closest SNPs - use binary search
                 * to find nearby SNP and refine to closest
                 */
                List<SnpFile.SnpLine> startAndEndSnps = searchCoordinate(chromosome, (int) startCoordinate,
                        (int) endCoordinate);
                if (startAndEndSnps == null) {
                    System.out.println("Start and End SNPS ARE NULL!");
                    //DISPLAY ERROR HERE?
                    return null;
                }
                RegionSummary region = new RegionSummary(chromosome, startAndEndSnps.get(0).getPosition(),
                        startAndEndSnps.get(1).getPosition(), 0, 0, startAndEndSnps.get(0).getId(),
                        startAndEndSnps.get(1).getId());
                return region;

            } catch (NumberFormatException ex) {
                Dialogs.showErrorDialog(null,
                        "Can't display flanking SNP IDs"
                                + " - missing required componant!\n\nPlease report this error.",
                        "Error!", "SNP Viewer", ex);
            }
            return null;
        }
    };
    setProgressMode(true);
    progressBar.progressProperty().bind(saveSelectionTask.progressProperty());
    progressMessage.textProperty().unbind();
    progressMessage.textProperty().bind(saveSelectionTask.messageProperty());
    progressTitle.textProperty().unbind();
    progressTitle.textProperty().bind(saveSelectionTask.titleProperty());
    saveSelectionTask.setOnSucceeded(new EventHandler<WorkerStateEvent>() {
        @Override
        public void handle(WorkerStateEvent e) {
            setProgressMode(false);
            RegionSummary result = (RegionSummary) e.getSource().getValue();
            savedRegions.add(result);
            RegionSummary sorter = new RegionSummary();
            sorter.mergeRegionsByPosition(savedRegions);
            saveProject();
            clearDragSelectRectangle();
            savedRegionsDisplay.clear();
            savedRegionsReference.clear();
            drawSavedRegions(
                    (String) chromosomeBoxList[chromosomeSelector.getSelectionModel().getSelectedIndex()]);
            progressBar.progressProperty().unbind();
            progressBar.progressProperty().set(0);
            progressTitle.textProperty().unbind();
            progressMessage.textProperty().unbind();
            progressTitle.setText("");
            progressMessage.setText("");
        }

    });
    saveSelectionTask.setOnFailed(new EventHandler<WorkerStateEvent>() {
        @Override
        public void handle(WorkerStateEvent e) {
            setProgressMode(false);
            progressBar.progressProperty().unbind();
            progressBar.progressProperty().set(0);
            progressTitle.textProperty().unbind();
            progressMessage.textProperty().unbind();
            progressTitle.setText("");
            progressMessage.setText("");
            Dialogs.showErrorDialog(null, "Error finding flanking SNPs\n", "Save Region error", "SNP Viewer",
                    saveSelectionTask.getException());

        }

    });
    saveSelectionTask.setOnCancelled(new EventHandler<WorkerStateEvent>() {
        @Override
        public void handle(WorkerStateEvent e) {
            progressMessage.setText("Region write cancelled");
            setProgressMode(false);
            progressBar.progressProperty().unbind();
            progressBar.progressProperty().set(0);
            progressTitle.textProperty().unbind();
            progressMessage.textProperty().unbind();
            progressTitle.setText("");
            progressMessage.setText("");
            Dialogs.showErrorDialog(null, "User cancelled region save.", "Save Region", "SNP Viewer",
                    saveSelectionTask.getException());
        }

    });
    cancelButton.setOnAction(new EventHandler<ActionEvent>() {
        @Override
        public void handle(ActionEvent actionEvent) {
            saveSelectionTask.cancel();

        }
    });
    new Thread(saveSelectionTask).start();
}