Example usage for javafx.scene.control ToggleButton addEventHandler

Introduction

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

Prototype

public final <T extends Event> void addEventHandler(final EventType<T> eventType,
        final EventHandler<? super T> eventHandler) 

Source Link

Document

Registers an event handler to this node.

Usage

From source file:net.rptools.tokentool.controller.ManageOverlays_Controller.java

private void loadImages(File dir) {
    // Clear Details panel
    clearDetails();//from w  ww.j ava2s.  co m

    currentDirectory = dir;
    File[] files = dir.listFiles(ImageUtil.SUPPORTED_FILENAME_FILTER);

    Task<Void> task = new Task<Void>() {
        @Override
        public Void call() {
            for (File file : files) {
                Path filePath = file.toPath();

                if (loadOverlaysThread.isInterrupted()) {
                    Platform.runLater(() -> overlayViewFlowPane.getChildren().clear());
                    break;
                }

                try {
                    ToggleButton overlayButton = new ToggleButton();
                    ImageView imageViewNode = ImageUtil.getOverlayThumb(new ImageView(), filePath);

                    overlayButton.getStyleClass().add("overlay-toggle-button");
                    overlayButton.setGraphic(imageViewNode);
                    overlayButton.setUserData(file);
                    overlayButton.setToggleGroup(overlayToggleGroup);

                    overlayButton.addEventHandler(ActionEvent.ACTION, event -> {
                        // No modifier keys used so add toggle group back to all buttons
                        resetToggleGroup();

                        // Also set button to selected due to resetting toggle groups & no unselecting needed, makes for better interface IMO
                        overlayButton.setSelected(true);

                        // Update the Details panel with the last selected overlay
                        File overlayFile = (File) overlayButton.getUserData();
                        updateDetails(overlayFile, (ImageView) overlayButton.getGraphic(),
                                overlayButton.isSelected());

                        // Consume the event, no more logic needed
                        event.consume();
                    });

                    overlayButton.setOnMouseClicked(new EventHandler<MouseEvent>() {
                        @Override
                        public void handle(MouseEvent event) {
                            // Allow multiple selections if shortcutKey+left_mouse is pressed
                            if (event.getButton().equals(MouseButton.PRIMARY) && event.isShortcutDown()) {
                                // Update the Details panel with the last selected overlay
                                File overlayFile = (File) overlayButton.getUserData();
                                updateDetails(overlayFile, (ImageView) overlayButton.getGraphic(), true);

                                // Remove the toggle group to allow multiple toggle button selection
                                overlayButton.setToggleGroup(null);

                                // Select the button
                                overlayButton.setSelected(true);

                                // Consume the event, no more logic needed
                                event.consume();
                            }
                        }
                    });

                    Platform.runLater(() -> overlayViewFlowPane.getChildren().add(overlayButton));
                } catch (IOException e) {
                    log.error("Loading image: " + filePath.getFileName(), e);
                }

            }

            return null;
        }
    };

    loadOverlaysThread.interrupt();
    executorService.execute(task);
}

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