Example usage for javafx.scene.control Label Label

List of usage examples for javafx.scene.control Label Label

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Introduction

In this page you can find the example usage for javafx.scene.control Label Label.

Prototype

public Label(String text)

Source Link

Document

Creates Label with supplied text.

Usage

From source file:com.chart.SwingChart.java

/**
 * /*from www .  j ava2  s  .c  o m*/
 * @param axis Axis name to wich the new series belongs
 * @param cs Series Coinfiguration
 */
@Override
public final void addSeries(String axis, SimpleSeriesConfiguration cs) {
    for (int i = 0; i < axes.size(); i++) {
        if (axes.get(i).getName().equals(axis)) {
            String strColor;
            javafx.scene.paint.Color color;
            int indice = seriesList.size();
            if (cs.getColor() == null) {
                color = getColor(indice);
            } else {
                color = cs.getColor();
            }
            strColor = color.toString();

            XYSeriesCollection dataset = datasetList.get(i);
            Series series = new Series(cs.getName(), "color: " + strColor + ";width: "
                    + String.valueOf(cs.getLineWidth()) + ";shape: " + cs.getShapeName() + ";", i,
                    dataset.getSeriesCount());
            dataset.addSeries(series);

            XYItemRenderer renderer = plot.getRenderer(i);
            renderer.setSeriesPaint(dataset.getSeriesCount() - 1, scene2awtColor(color));

            SeriesShape simb = new SeriesShape(cs.getShapeName(),
                    javafx.scene.paint.Color.web(strColor.replace("#", "0x")));

            if (cs.getLineWidth() > 0) {
                ((XYLineAndShapeRenderer) renderer).setSeriesLinesVisible(dataset.getSeriesCount() - 1, true);
                renderer.setSeriesStroke(dataset.getSeriesCount() - 1, new BasicStroke(cs.getLineWidth()));
            } else {
                ((XYLineAndShapeRenderer) renderer).setSeriesLinesVisible(dataset.getSeriesCount() - 1, false);
            }

            if (cs.getShapeName().equals("null")) {
                renderer.setSeriesShape(dataset.getSeriesCount() - 1, null);
                ((XYLineAndShapeRenderer) renderer).setSeriesShapesVisible(dataset.getSeriesCount() - 1, false);
            } else {
                renderer.setSeriesShape(dataset.getSeriesCount() - 1, simb.getShapeAWT());
                ((XYLineAndShapeRenderer) renderer).setSeriesShapesVisible(dataset.getSeriesCount() - 1, true);
                if (cs.getShapeName().contains("empty")) {
                    ((XYLineAndShapeRenderer) renderer).setSeriesShapesFilled(dataset.getSeriesCount() - 1,
                            false);
                } else {
                    ((XYLineAndShapeRenderer) renderer).setSeriesShapesFilled(dataset.getSeriesCount() - 1,
                            true);
                }
            }

            if (i == 0) {
                plot.setRenderer(renderer);
            } else {
                plot.setRenderer(i, renderer);
            }

            seriesList.add(series);

            final LegendAxis le = getLegendAxis(axis);
            final Label label = new Label(cs.toString());
            Platform.runLater(() -> {
                label.setStyle("fondo: " + strChartBackgroundColor
                        + ";-fx-background-color: fondo;-fx-text-fill: ladder(fondo, white 49%, black 50%);-fx-padding:5px;-fx-background-radius: 5;-fx-font-size: "
                        + String.valueOf(fontSize) + "px");
            });

            label.setOnMouseClicked((MouseEvent t) -> {
                if (t.getClickCount() == 2) {
                    for (int i1 = 0; i1 < seriesList.size(); i1++) {
                        if (seriesList.get(i1).getKey().toString().equals(label.getText())) {
                            editSeries(seriesList.get(i1));
                            break;
                        }
                    }
                }
            });
            label.setOnMouseExited((MouseEvent t) -> {
                label.setStyle(
                        label.getStyle().replace("-fx-background-color: blue", "-fx-background-color: fondo"));
            });
            label.setOnMouseEntered((MouseEvent t) -> {
                label.setStyle(
                        label.getStyle().replace("-fx-background-color: fondo", "-fx-background-color: blue"));
                for (Node le1 : legendFrame.getChildren()) {
                    if (le1 instanceof LegendAxis) {
                        le1.setStyle("-fx-background-color:" + strBackgroundColor);
                        ((LegendAxis) le1).selected = false;
                    }
                }
            });
            label.setStyle("fondo: " + strChartBackgroundColor
                    + ";-fx-text-fill: white;-fx-background-color: fondo;-fx-padding:5px;-fx-background-radius: 5;-fx-font-size: "
                    + String.valueOf(fontSize) + "px");

            le.getChildren().add(label);
            label.setGraphic(simb.getShapeGraphic());

            break;
        }
    }
}

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 av  a  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(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:acmi.l2.clientmod.l2smr.Controller.java

private void onException(String text, Throwable ex) {
    ex.printStackTrace();//  w  w w .ja  v  a  2  s  . c  o  m

    Platform.runLater(() -> {
        if (SHOW_STACKTRACE) {
            Alert alert = new Alert(Alert.AlertType.ERROR);
            alert.setTitle("Error");
            alert.setHeaderText(null);
            alert.setContentText(text);

            StringWriter sw = new StringWriter();
            PrintWriter pw = new PrintWriter(sw);
            ex.printStackTrace(pw);
            String exceptionText = sw.toString();

            Label label = new Label("Exception stacktrace:");

            TextArea textArea = new TextArea(exceptionText);
            textArea.setEditable(false);
            textArea.setWrapText(true);

            textArea.setMaxWidth(Double.MAX_VALUE);
            textArea.setMaxHeight(Double.MAX_VALUE);
            GridPane.setVgrow(textArea, Priority.ALWAYS);
            GridPane.setHgrow(textArea, Priority.ALWAYS);

            GridPane expContent = new GridPane();
            expContent.setMaxWidth(Double.MAX_VALUE);
            expContent.add(label, 0, 0);
            expContent.add(textArea, 0, 1);

            alert.getDialogPane().setExpandableContent(expContent);

            alert.showAndWait();
        } else {
            //noinspection ThrowableResultOfMethodCallIgnored
            Throwable t = getTop(ex);

            Alert alert = new Alert(Alert.AlertType.ERROR);
            alert.setTitle(t.getClass().getSimpleName());
            alert.setHeaderText(text);
            alert.setContentText(t.getMessage());

            alert.showAndWait();
        }
    });
}

From source file:view.FXApplicationController.java

public void showLabelsForEpoch() {

    overlay.getChildren().clear();/* w w  w . j  a  va2s.  c om*/

    double offsetSize = 1. / (activeChannels.size() + 1);

    for (int i = 0; i < activeChannels.size(); i++) {

        double realOffset = (i + 1.) * offsetSize;

        Label label = new Label(channelNames[activeChannels.get(i)]);
        label.setTextFill(Color.GRAY);
        label.setStyle("-fx-font-family: sans-serif;");
        label.setLayoutX(1);

        label.layoutYProperty().bind(yAxis.heightProperty().multiply(realOffset).add(yAxis.layoutYProperty()));

        overlay.getChildren().add(label);

    }

}

From source file:qupath.lib.gui.tma.TMASummaryViewer.java

private Pane getCustomizeTablePane() {
    TableView<TreeTableColumn<TMAEntry, ?>> tableColumns = new TableView<>();
    tableColumns.setPlaceholder(new Text("No columns available"));
    tableColumns.getSelectionModel().setSelectionMode(SelectionMode.MULTIPLE);
    tableColumns.setColumnResizePolicy(TableView.CONSTRAINED_RESIZE_POLICY);

    SortedList<TreeTableColumn<TMAEntry, ?>> sortedColumns = new SortedList<>(
            table.getColumns().filtered(p -> !p.getText().trim().isEmpty()));
    sortedColumns.setComparator((c1, c2) -> c1.getText().compareTo(c2.getText()));
    tableColumns.setItems(sortedColumns);
    sortedColumns.comparatorProperty().bind(tableColumns.comparatorProperty());
    //      sortedColumns.comparatorProperty().bind(tableColumns.comparatorProperty());

    TableColumn<TreeTableColumn<TMAEntry, ?>, String> columnName = new TableColumn<>("Column");
    columnName.setCellValueFactory(v -> v.getValue().textProperty());
    TableColumn<TreeTableColumn<TMAEntry, ?>, Boolean> columnVisible = new TableColumn<>("Visible");
    columnVisible.setCellValueFactory(v -> v.getValue().visibleProperty());
    //      columnVisible.setCellValueFactory(col -> {
    //         SimpleBooleanProperty prop = new SimpleBooleanProperty(col.getValue().isVisible());
    //         prop.addListener((v, o, n) -> col.getValue().setVisible(n));
    //         return prop;
    //      });/*from   ww  w. java2s  . co m*/
    tableColumns.setEditable(true);
    columnVisible.setCellFactory(v -> new CheckBoxTableCell<>());
    tableColumns.getColumns().add(columnName);
    tableColumns.getColumns().add(columnVisible);
    ContextMenu contextMenu = new ContextMenu();

    Action actionShowSelected = new Action("Show selected", e -> {
        for (TreeTableColumn<?, ?> col : tableColumns.getSelectionModel().getSelectedItems()) {
            if (col != null)
                col.setVisible(true);
            else {
                // Not sure why this happens...?
                logger.trace("Selected column is null!");
            }
        }
    });

    Action actionHideSelected = new Action("Hide selected", e -> {
        for (TreeTableColumn<?, ?> col : tableColumns.getSelectionModel().getSelectedItems()) {
            if (col != null)
                col.setVisible(false);
            else {
                // Not sure why this happens...?
                logger.trace("Selected column is null!");
            }
        }
    });

    contextMenu.getItems().addAll(ActionUtils.createMenuItem(actionShowSelected),
            ActionUtils.createMenuItem(actionHideSelected));
    tableColumns.setContextMenu(contextMenu);
    tableColumns.setTooltip(
            new Tooltip("Show or hide table columns - right-click to change multiple columns at once"));

    BorderPane paneColumns = new BorderPane(tableColumns);
    paneColumns.setBottom(PanelToolsFX.createColumnGridControls(ActionUtils.createButton(actionShowSelected),
            ActionUtils.createButton(actionHideSelected)));

    VBox paneRows = new VBox();

    // Create a box to filter on some metadata text
    ComboBox<String> comboMetadata = new ComboBox<>();
    comboMetadata.setItems(metadataNames);
    comboMetadata.getSelectionModel().getSelectedItem();
    comboMetadata.setPromptText("Select column");
    TextField tfFilter = new TextField();
    CheckBox cbExact = new CheckBox("Exact");
    // Set listeners
    cbExact.selectedProperty().addListener(
            (v, o, n) -> setMetadataTextPredicate(comboMetadata.getSelectionModel().getSelectedItem(),
                    tfFilter.getText(), cbExact.isSelected(), !cbExact.isSelected()));
    tfFilter.textProperty().addListener(
            (v, o, n) -> setMetadataTextPredicate(comboMetadata.getSelectionModel().getSelectedItem(),
                    tfFilter.getText(), cbExact.isSelected(), !cbExact.isSelected()));
    comboMetadata.getSelectionModel().selectedItemProperty().addListener(
            (v, o, n) -> setMetadataTextPredicate(comboMetadata.getSelectionModel().getSelectedItem(),
                    tfFilter.getText(), cbExact.isSelected(), !cbExact.isSelected()));

    GridPane paneMetadata = new GridPane();
    paneMetadata.add(comboMetadata, 0, 0);
    paneMetadata.add(tfFilter, 1, 0);
    paneMetadata.add(cbExact, 2, 0);
    paneMetadata.setPadding(new Insets(10, 10, 10, 10));
    paneMetadata.setVgap(2);
    paneMetadata.setHgap(5);
    comboMetadata.setMaxWidth(Double.MAX_VALUE);
    GridPane.setHgrow(tfFilter, Priority.ALWAYS);
    GridPane.setFillWidth(comboMetadata, Boolean.TRUE);
    GridPane.setFillWidth(tfFilter, Boolean.TRUE);

    TitledPane tpMetadata = new TitledPane("Metadata filter", paneMetadata);
    tpMetadata.setExpanded(false);
    //      tpMetadata.setCollapsible(false);
    Tooltip tooltipMetadata = new Tooltip(
            "Enter text to filter entries according to a selected metadata column");
    Tooltip.install(paneMetadata, tooltipMetadata);
    tpMetadata.setTooltip(tooltipMetadata);
    paneRows.getChildren().add(tpMetadata);

    // Add measurement predicate
    TextField tfCommand = new TextField();
    tfCommand.setTooltip(new Tooltip("Predicate used to filter entries for inclusion"));

    TextFields.bindAutoCompletion(tfCommand, e -> {
        int ind = tfCommand.getText().lastIndexOf("\"");
        if (ind < 0)
            return Collections.emptyList();
        String part = tfCommand.getText().substring(ind + 1);
        return measurementNames.stream().filter(n -> n.startsWith(part)).map(n -> "\"" + n + "\" ")
                .collect(Collectors.toList());
    });

    String instructions = "Enter a predicate to filter entries.\n"
            + "Only entries passing the test will be included in any results.\n"
            + "Examples of predicates include:\n" + "    \"Num Tumor\" > 200\n"
            + "    \"Num Tumor\" > 100 && \"Num Stroma\" < 1000";
    //      labelInstructions.setTooltip(new Tooltip("Note: measurement names must be in \"inverted commands\" and\n" + 
    //            "&& indicates 'and', while || indicates 'or'."));

    BorderPane paneMeasurementFilter = new BorderPane(tfCommand);
    Label label = new Label("Predicate: ");
    label.setAlignment(Pos.CENTER);
    label.setMaxHeight(Double.MAX_VALUE);
    paneMeasurementFilter.setLeft(label);

    Button btnApply = new Button("Apply");
    btnApply.setOnAction(e -> {
        TablePredicate predicateNew = new TablePredicate(tfCommand.getText());
        if (predicateNew.isValid()) {
            predicateMeasurements.set(predicateNew);
        } else {
            DisplayHelpers.showErrorMessage("Invalid predicate",
                    "Current predicate '" + tfCommand.getText() + "' is invalid!");
        }
        e.consume();
    });
    TitledPane tpMeasurementFilter = new TitledPane("Measurement filter", paneMeasurementFilter);
    tpMeasurementFilter.setExpanded(false);
    Tooltip tooltipInstructions = new Tooltip(instructions);
    tpMeasurementFilter.setTooltip(tooltipInstructions);
    Tooltip.install(paneMeasurementFilter, tooltipInstructions);
    paneMeasurementFilter.setRight(btnApply);

    paneRows.getChildren().add(tpMeasurementFilter);

    logger.info("Predicate set to: {}", predicateMeasurements.get());

    VBox pane = new VBox();
    //      TitledPane tpColumns = new TitledPane("Select column", paneColumns);
    //      tpColumns.setMaxHeight(Double.MAX_VALUE);
    //      tpColumns.setCollapsible(false);
    pane.getChildren().addAll(paneColumns, new Separator(), paneRows);
    VBox.setVgrow(paneColumns, Priority.ALWAYS);

    return pane;
}

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. j  av  a 2 s . c om
        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:com.bekwam.resignator.ResignatorAppMainViewController.java

private boolean confirmOverwrite(File[] sourceJars) {
    List<File> existingFiles = new ArrayList<>();
    for (File sf : sourceJars) {
        File tf = new File(activeProfile.getTargetFileFileName(), sf.getName());
        if (tf.exists()) {
            existingFiles.add(tf);/*from   w ww. j ava2  s. c  o  m*/
        }
    }

    if (CollectionUtils.isNotEmpty(existingFiles)) {

        String msg = "Overwrite these files in '" + activeProfile.getTargetFileFileName() + "'?";
        msg += System.getProperty("line.separator");
        for (File f : existingFiles) {
            msg += System.getProperty("line.separator") + f.getName();
        }

        Alert alert = new Alert(Alert.AlertType.CONFIRMATION, msg);

        Label msgLabel = new Label(msg);

        alert.setHeaderText("Overwrite existing files");
        alert.getDialogPane().setContent(msgLabel);

        Optional<ButtonType> response = alert.showAndWait();
        if (!response.isPresent() || response.get() != ButtonType.OK) {
            if (logger.isDebugEnabled()) {
                logger.debug("[SIGN] overwrite files cancelled");
            }
            return false;
        }
    }
    return true;
}

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 a2  s . c o 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));

            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: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//from w w w  . j a  v a 2  s  .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.MainStageController.java

/**
 * creates the file not found alert box//  w ww. j ava  2s  . c  o  m
 */
private void fileNotFoundAlertBox() {
    fileNotFoundAlert = new Alert(Alert.AlertType.ERROR);
    fileNotFoundAlert.setTitle("File not found");
    fileNotFoundAlert.setHeaderText("File not found");
    fileNotFoundAlert.setContentText("Could not find the file you were looking for");

    //style the alert
    DialogPane dialogPane = fileNotFoundAlert.getDialogPane();
    dialogPane.getStylesheets().add("/UI/alertStyle.css");

    Exception fileNotFoundException = new FileNotFoundException("Could not find your selected file");

    //create expandable exception
    StringWriter sw = new StringWriter();
    PrintWriter pw = new PrintWriter(sw);
    fileNotFoundException.printStackTrace(pw);
    String exceptionText = sw.toString();

    Label label = new Label("The exception stacktrace was: ");

    TextArea textArea = new TextArea(exceptionText);
    textArea.setEditable(false);
    textArea.setWrapText(true);

    textArea.setMaxWidth(Double.MAX_VALUE);
    textArea.setMaxHeight(Double.MAX_VALUE);
    GridPane.setVgrow(textArea, Priority.ALWAYS);
    GridPane.setHgrow(textArea, Priority.ALWAYS);

    GridPane expContent = new GridPane();
    expContent.setMaxWidth(Double.MAX_VALUE);
    expContent.add(label, 0, 0);
    expContent.add(textArea, 0, 1);

    // Set expandable Exception into the dialog pane.
    fileNotFoundAlert.getDialogPane().setExpandableContent(expContent);
    fileNotFoundAlert.showAndWait();
}