Example usage for javafx.beans InvalidationListener InvalidationListener

Introduction

In this page you can find the example usage for javafx.beans InvalidationListener InvalidationListener.

Prototype

InvalidationListener

Source Link

Usage

From source file:org.sleuthkit.autopsy.imageanalyzer.gui.GroupPane.java

/**
 * called automatically during constructor by FXMLConstructor.
 *
 * checks that FXML loading went ok and performs additional setup
 */// w  w  w.ja  v a  2 s . com
@FXML
void initialize() {
    assert gridView != null : "fx:id=\"tilePane\" was not injected: check your FXML file 'GroupPane.fxml'.";
    assert grpCatSplitMenu != null : "fx:id=\"grpCatSplitMenu\" was not injected: check your FXML file 'GroupHeader.fxml'.";
    assert grpTagSplitMenu != null : "fx:id=\"grpTagSplitMenu\" was not injected: check your FXML file 'GroupHeader.fxml'.";
    assert headerToolBar != null : "fx:id=\"headerToolBar\" was not injected: check your FXML file 'GroupHeader.fxml'.";
    assert segButton != null : "fx:id=\"previewList\" was not injected: check your FXML file 'GroupHeader.fxml'.";
    assert slideShowToggle != null : "fx:id=\"segButton\" was not injected: check your FXML file 'GroupHeader.fxml'.";
    assert tileToggle != null : "fx:id=\"tileToggle\" was not injected: check your FXML file 'GroupHeader.fxml'.";

    grouping.addListener(new InvalidationListener() {
        private void updateFiles() {
            final ObservableList<Long> fileIds = grouping.get().fileIds();
            Platform.runLater(() -> {
                gridView.setItems(FXCollections.observableArrayList(fileIds));
            });
            resetHeaderString();
        }

        @Override
        public void invalidated(Observable o) {
            getScrollBar().ifPresent((scrollBar) -> {
                scrollBar.setValue(0);
            });

            //set the embeded header
            resetHeaderString();
            //and assign fileIDs to gridView
            if (grouping.get() == null) {
                Platform.runLater(gridView.getItems()::clear);

            } else {
                grouping.get().fileIds().addListener((Observable observable) -> {
                    updateFiles();
                });

                updateFiles();
            }
        }
    });

    //configure flashing glow animation on next unseen group button
    flashAnimation.setCycleCount(Timeline.INDEFINITE);
    flashAnimation.setAutoReverse(true);

    //configure gridView cell properties
    gridView.cellHeightProperty().bind(Toolbar.getDefault().sizeSliderValue().add(75));
    gridView.cellWidthProperty().bind(Toolbar.getDefault().sizeSliderValue().add(75));
    gridView.setCellFactory((GridView<Long> param) -> new DrawableCell());

    //configure toolbar properties
    HBox.setHgrow(spacer, Priority.ALWAYS);
    spacer.setMinWidth(Region.USE_PREF_SIZE);

    ArrayList<MenuItem> grpTagMenues = new ArrayList<>();
    for (final TagName tn : TagUtils.getNonCategoryTagNames()) {
        MenuItem menuItem = createGrpTagMenuItem(tn);
        grpTagMenues.add(menuItem);
    }
    try {
        grpTagSplitMenu.setText(TagUtils.getFollowUpTagName().getDisplayName());
        grpTagSplitMenu.setOnAction(createGrpTagMenuItem(TagUtils.getFollowUpTagName()).getOnAction());
    } catch (TskCoreException tskCoreException) {
        LOGGER.log(Level.WARNING, "failed to load FollowUpTagName", tskCoreException);
    }
    grpTagSplitMenu.setGraphic(new ImageView(DrawableAttribute.TAGS.getIcon()));
    grpTagSplitMenu.getItems().setAll(grpTagMenues);

    ArrayList<MenuItem> grpCategoryMenues = new ArrayList<>();
    for (final Category cat : Category.values()) {
        MenuItem menuItem = createGrpCatMenuItem(cat);
        grpCategoryMenues.add(menuItem);
    }
    grpCatSplitMenu.setText(Category.FIVE.getDisplayName());
    grpCatSplitMenu.setGraphic(new ImageView(DrawableAttribute.CATEGORY.getIcon()));
    grpCatSplitMenu.getItems().setAll(grpCategoryMenues);
    grpCatSplitMenu.setOnAction(createGrpCatMenuItem(Category.FIVE).getOnAction());

    Runnable syncMode = () -> {
        switch (groupViewMode.get()) {
        case SLIDE_SHOW:
            slideShowToggle.setSelected(true);
            break;
        case TILE:
            tileToggle.setSelected(true);
            break;
        }
    };
    syncMode.run();
    //make togle states match view state
    groupViewMode.addListener((o) -> {
        syncMode.run();
    });

    slideShowToggle.toggleGroupProperty().addListener((o) -> {
        slideShowToggle.getToggleGroup().selectedToggleProperty()
                .addListener((observable, oldToggle, newToggle) -> {
                    if (newToggle == null) {
                        oldToggle.setSelected(true);
                    }
                });
    });

    //listen to toggles and update view state
    slideShowToggle.setOnAction((ActionEvent t) -> {
        activateSlideShowViewer(globalSelectionModel.lastSelectedProperty().get());
    });

    tileToggle.setOnAction((ActionEvent t) -> {
        activateTileViewer();
    });

    controller.viewState().addListener((ObservableValue<? extends GroupViewState> observable,
            GroupViewState oldValue, GroupViewState newValue) -> {
        setViewState(newValue);
    });

    addEventFilter(KeyEvent.KEY_PRESSED, tileKeyboardNavigationHandler);
    gridView.addEventHandler(MouseEvent.MOUSE_CLICKED, new EventHandler<MouseEvent>() {

        private ContextMenu buildContextMenu() {
            ArrayList<MenuItem> menuItems = new ArrayList<>();

            menuItems.add(CategorizeAction.getPopupMenu());

            menuItems.add(AddDrawableTagAction.getInstance().getPopupMenu());

            Collection<? extends ContextMenuActionsProvider> menuProviders = Lookup.getDefault()
                    .lookupAll(ContextMenuActionsProvider.class);

            for (ContextMenuActionsProvider provider : menuProviders) {

                for (final Action act : provider.getActions()) {

                    if (act instanceof Presenter.Popup) {
                        Presenter.Popup aact = (Presenter.Popup) act;

                        menuItems.add(SwingMenuItemAdapter.create(aact.getPopupPresenter()));
                    }
                }
            }
            final MenuItem extractMenuItem = new MenuItem("Extract File(s)");
            extractMenuItem.setOnAction((ActionEvent t) -> {
                SwingUtilities.invokeLater(() -> {
                    TopComponent etc = WindowManager.getDefault()
                            .findTopComponent(ImageAnalyzerTopComponent.PREFERRED_ID);
                    ExtractAction.getInstance().actionPerformed(new java.awt.event.ActionEvent(etc, 0, null));
                });
            });
            menuItems.add(extractMenuItem);

            ContextMenu contextMenu = new ContextMenu(menuItems.toArray(new MenuItem[] {}));
            contextMenu.setAutoHide(true);
            return contextMenu;
        }

        @Override
        public void handle(MouseEvent t) {
            switch (t.getButton()) {
            case PRIMARY:
                if (t.getClickCount() == 1) {
                    globalSelectionModel.clearSelection();
                    if (contextMenu != null) {
                        contextMenu.hide();
                    }
                }
                t.consume();
                break;
            case SECONDARY:
                if (t.getClickCount() == 1) {
                    selectAllFiles();
                }
                if (contextMenu == null) {
                    contextMenu = buildContextMenu();
                }

                contextMenu.hide();
                contextMenu.show(GroupPane.this, t.getScreenX(), t.getScreenY());
                t.consume();
                break;
            }
        }
    });

    //        Platform.runLater(() -> {
    ActionUtils.configureButton(nextGroupAction, nextButton);
    final EventHandler<ActionEvent> onAction = nextButton.getOnAction();
    nextButton.setOnAction((ActionEvent event) -> {
        flashAnimation.stop();
        nextButton.setEffect(null);
        onAction.handle(event);
    });

    ActionUtils.configureButton(forwardAction, forwardButton);
    ActionUtils.configureButton(backAction, backButton);
    //        });

    nextGroupAction.disabledProperty().addListener(
            (ObservableValue<? extends Boolean> observable, Boolean oldValue, Boolean newValue) -> {
                nextButton.setEffect(newValue ? null : DROP_SHADOW);
                if (newValue == false) {
                    flashAnimation.play();
                } else {
                    flashAnimation.stop();
                }
            });

    //listen to tile selection and make sure it is visible in scroll area
    //TODO: make sure we are testing complete visability not just bounds intersection
    globalSelectionModel.lastSelectedProperty().addListener((observable, oldFileID, newFileId) -> {
        if (groupViewMode.get() == GroupViewMode.SLIDE_SHOW) {
            slideShowPane.setFile(newFileId);
        } else {

            scrollToFileID(newFileId);
        }
    });

    setViewState(controller.viewState().get());
}

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