Examples with InvalidationListener javafx.beans.InvalidationListener used on opensource projects

Example 16 with InvalidationListener

use of javafx.beans.InvalidationListener in project org.csstudio.display.builder by kasemir.

the class ActionsDialog method createExecuteScriptDetails.

/**
 * @return Sub-pane for ExecuteScript action
 */
private GridPane createExecuteScriptDetails() {
    final InvalidationListener update = whatever -> {
        if (updating || selected_action_index < 0)
            return;
        actions.set(selected_action_index, getExecuteScriptAction());
    };
    final GridPane execute_script_details = new GridPane();
    execute_script_details.setHgap(10);
    execute_script_details.setVgap(10);
    execute_script_details.add(new Label(Messages.ActionsDialog_Description), 0, 0);
    execute_script_description = new TextField();
    execute_script_description.textProperty().addListener(update);
    execute_script_details.add(execute_script_description, 1, 0);
    GridPane.setHgrow(execute_script_description, Priority.ALWAYS);
    execute_script_details.add(new Label(Messages.ActionsDialog_ScriptPath), 0, 1);
    execute_script_file = new TextField();
    execute_script_file.textProperty().addListener(update);
    final Button select = new Button("...");
    select.setOnAction(event -> {
        try {
            final String path = FilenameSupport.promptForRelativePath(widget, execute_script_file.getText());
            if (path != null)
                execute_script_file.setText(path);
            FilenameSupport.performMostAwfulTerribleNoGoodHack(action_list);
        } catch (Exception ex) {
            logger.log(Level.WARNING, "Cannot prompt for filename", ex);
        }
    });
    final HBox path_box = new HBox(execute_script_file, select);
    HBox.setHgrow(execute_script_file, Priority.ALWAYS);
    execute_script_details.add(path_box, 1, 1);
    final Button btn_embed_py = new Button(Messages.ScriptsDialog_BtnEmbedPy, JFXUtil.getIcon("embedded_script.png"));
    btn_embed_py.setOnAction(event -> {
        execute_script_file.setText(ScriptInfo.EMBEDDED_PYTHON);
        final String text = execute_script_text.getText();
        if (text == null || text.trim().isEmpty() || text.trim().equals(ScriptInfo.EXAMPLE_JAVASCRIPT))
            execute_script_text.setText(ScriptInfo.EXAMPLE_PYTHON);
    });
    final Button btn_embed_js = new Button(Messages.ScriptsDialog_BtnEmbedJS, JFXUtil.getIcon("embedded_script.png"));
    btn_embed_js.setOnAction(event -> {
        execute_script_file.setText(ScriptInfo.EMBEDDED_JAVASCRIPT);
        final String text = execute_script_text.getText();
        if (text == null || text.trim().isEmpty() || text.trim().equals(ScriptInfo.EXAMPLE_PYTHON))
            execute_script_text.setText(ScriptInfo.EXAMPLE_JAVASCRIPT);
    });
    execute_script_details.add(new HBox(10, btn_embed_py, btn_embed_js), 1, 2);
    execute_script_details.add(new Label(Messages.ActionsDialog_ScriptText), 0, 3);
    execute_script_text = new TextArea();
    execute_script_text.setText(null);
    execute_script_text.textProperty().addListener(update);
    execute_script_details.add(execute_script_text, 0, 4, 2, 1);
    GridPane.setVgrow(execute_script_text, Priority.ALWAYS);
    return execute_script_details;
}

Example 17 with InvalidationListener

use of javafx.beans.InvalidationListener in project org.csstudio.display.builder by kasemir.

the class JFXRepresentation method createModelRoot.

/**
 * Create scrollpane etc. for hosting the model
 *
 *  @return ScrollPane
 *  @throws IllegalStateException if had already been called
 */
public final ScrollPane createModelRoot() {
    if (model_root != null)
        throw new IllegalStateException("Already created model root");
    widget_parent = new Pane();
    scroll_body = new Group(widget_parent);
    if (isEditMode()) {
        horiz_bound = new Line();
        horiz_bound.getStyleClass().add("display_model_bounds");
        horiz_bound.setStartX(0);
        vert_bound = new Line();
        vert_bound.getStyleClass().add("display_model_bounds");
        vert_bound.setStartY(0);
        scroll_body.getChildren().addAll(vert_bound, horiz_bound);
    }
    model_root = new ScrollPane(scroll_body);
    final InvalidationListener resized = prop -> handleViewportChanges();
    model_root.widthProperty().addListener(resized);
    model_root.heightProperty().addListener(resized);
    // Middle Button (Wheel press) drag panning started
    final EventHandler<MouseEvent> onMousePressedHandler = evt -> {
        if (evt.isMiddleButtonDown()) {
            lastMouseCoordinates.set(new Point2D(evt.getX(), evt.getY()));
            scroll_body.setCursor(Cursor.CLOSED_HAND);
            evt.consume();
        }
    };
    if (isEditMode())
        scroll_body.addEventFilter(MouseEvent.MOUSE_PRESSED, onMousePressedHandler);
    else
        scroll_body.setOnMousePressed(onMousePressedHandler);
    // Middle Button (Wheel press) drag panning function
    final EventHandler<MouseEvent> onMouseDraggedHandler = evt -> {
        if (evt.isMiddleButtonDown()) {
            double deltaX = evt.getX() - lastMouseCoordinates.get().getX();
            double extraWidth = scroll_body.getLayoutBounds().getWidth() - model_root.getViewportBounds().getWidth();
            double deltaH = deltaX * (model_root.getHmax() - model_root.getHmin()) / extraWidth;
            double desiredH = model_root.getHvalue() - deltaH;
            model_root.setHvalue(Math.max(0, Math.min(model_root.getHmax(), desiredH)));
            double deltaY = evt.getY() - lastMouseCoordinates.get().getY();
            double extraHeight = scroll_body.getLayoutBounds().getHeight() - model_root.getViewportBounds().getHeight();
            double deltaV = deltaY * (model_root.getHmax() - model_root.getHmin()) / extraHeight;
            double desiredV = model_root.getVvalue() - deltaV;
            model_root.setVvalue(Math.max(0, Math.min(model_root.getVmax(), desiredV)));
            evt.consume();
        }
    };
    if (isEditMode())
        scroll_body.addEventFilter(MouseEvent.MOUSE_DRAGGED, onMouseDraggedHandler);
    else
        scroll_body.setOnMouseDragged(onMouseDraggedHandler);
    // Middle Button (Wheel press) drag panning finished
    final EventHandler<MouseEvent> onMouseReleasedHandler = evt -> {
        if (scroll_body.getCursor() == Cursor.CLOSED_HAND) {
            scroll_body.setCursor(Cursor.DEFAULT);
            evt.consume();
        }
    };
    if (isEditMode())
        scroll_body.addEventFilter(MouseEvent.MOUSE_RELEASED, onMouseReleasedHandler);
    else
        scroll_body.setOnMouseReleased(onMouseReleasedHandler);
    // also handle the wheel
    if (isEditMode())
        model_root.addEventFilter(ScrollEvent.ANY, evt -> {
            if (evt.isControlDown()) {
                evt.consume();
                doWheelZoom(evt.getDeltaY(), evt.getX(), evt.getY());
            }
        });
    else
        widget_parent.addEventHandler(ScrollEvent.ANY, evt -> {
            if (evt.isControlDown()) {
                evt.consume();
                ScrollEvent gevt = evt.copyFor(model_root, scroll_body);
                doWheelZoom(evt.getDeltaY(), gevt.getX(), gevt.getY());
            }
        });
    return model_root;
}

Example 18 with InvalidationListener

use of javafx.beans.InvalidationListener in project org.csstudio.display.builder by kasemir.

the class ZoomPan method createScene.

public static Scene createScene() {
    // Stuff to show as 'widgets'
    final Node[] stuff = new Node[3];
    for (int i = 0; i < stuff.length; ++i) {
        final Rectangle rect = new Rectangle(50 + i * 100, 100, 10 + i * 50, 20 + i * 40);
        rect.setFill(Color.BLUE);
        stuff[i] = rect;
    }
    // With 'Group', stuff would start in top-left (0, 0) corner,
    // not at (50, 100) based on its coordinates
    final Pane widgets = new Pane(stuff);
    widgets.setStyle("-fx-background-color: coral;");
    final ScrollPane scroll;
    if (true) {
        // Additional Group to help ScrollPane get correct bounds
        final Group scroll_content = new Group(widgets);
        scroll = new ScrollPane(scroll_content);
    } else
        scroll = new ScrollPane(widgets);
    final InvalidationListener resized = prop -> handleViewportChanges(scroll);
    scroll.widthProperty().addListener(resized);
    scroll.heightProperty().addListener(resized);
    System.out.println("Press 'space' to change zoom");
    final Scene scene = new Scene(scroll);
    scene.addEventFilter(KeyEvent.KEY_PRESSED, (KeyEvent event) -> {
        if (event.getCode() == KeyCode.SPACE) {
            zoom_in = !zoom_in;
            if (zoom_in)
                widgets.getTransforms().setAll(new Scale(2.5, 2.5));
            else
                widgets.getTransforms().setAll(new Scale(0.5, 0.5));
        }
    });
    return scene;
}

Example 19 with InvalidationListener

use of javafx.beans.InvalidationListener in project org.csstudio.display.builder by kasemir.

the class MacrosTable method fixup.

/**
 * Fix table: Delete empty rows in middle, but keep one empty final row
 *  @param changed_row Row to check, and remove if it's empty
 */
private void fixup(final int changed_row) {
    // Check if edited row is now empty and should be deleted
    if (changed_row < data.size()) {
        final MacroItem item = data.get(changed_row);
        final String name = item.getName().trim();
        final String value = item.getValue().trim();
        if (name.isEmpty() && value.isEmpty())
            data.remove(changed_row);
    }
    // Assert one empty row at bottom
    final int len = data.size();
    if (len <= 0 || (data.get(len - 1).getName().trim().length() > 0 && data.get(len - 1).getValue().trim().length() > 0))
        data.add(new MacroItem("", ""));
    for (InvalidationListener listener : listeners) listener.invalidated(data);
}

Example 20 with InvalidationListener

use of javafx.beans.InvalidationListener in project POL-POM-5 by PhoenicisOrg.

the class ApplicationPanel method populateCenter.

private void populateCenter() {
    this.appDescription = new WebView();
    this.appDescription.getEngine().loadContent("<body>" + application.getDescription() + "</body>");
    themeManager.bindWebEngineStylesheet(appDescription.getEngine().userStyleSheetLocationProperty());
    this.installers = new Label(tr("Installers"));
    this.installers.getStyleClass().add("descriptionTitle");
    this.scriptGrid = new GridPane();
    filteredScripts.addListener((InvalidationListener) change -> this.refreshScripts());
    this.refreshScripts();
    this.miniaturesPane = new HBox();
    this.miniaturesPane.getStyleClass().add("appPanelMiniaturesPane");
    this.miniaturesPaneWrapper = new ScrollPane(miniaturesPane);
    this.miniaturesPaneWrapper.getStyleClass().add("appPanelMiniaturesPaneWrapper");
    for (URI miniatureUri : application.getMiniatures()) {
        Region image = new Region();
        image.getStyleClass().add("appMiniature");
        image.setStyle(String.format("-fx-background-image: url(\"%s\");", miniatureUri.toString()));
        image.prefHeightProperty().bind(miniaturesPaneWrapper.heightProperty().multiply(0.8));
        image.prefWidthProperty().bind(image.prefHeightProperty().multiply(1.5));
        miniaturesPane.getChildren().add(image);
    }
    this.center = new VBox(appDescription, installers, scriptGrid, miniaturesPaneWrapper);
    VBox.setVgrow(appDescription, Priority.ALWAYS);
    this.setCenter(center);
}