/* * Copyright (c) 2013. by Gerrit Grunwald * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package jfx8controls.ledregion; import javafx.application.Application; import javafx.collections.ObservableList; import javafx.scene.Node; import javafx.scene.Parent; import javafx.scene.Scene; import javafx.scene.layout.StackPane; import javafx.stage.Stage; public class Demo extends Application { private static int noOfNodes = 0; @Override public void start(Stage stage) { Led control = new Led(); control.setPrefWidth(200); control.setPrefHeight(200); StackPane pane = new StackPane(); pane.getChildren().setAll(control); Scene scene = new Scene(pane); stage.setTitle("JavaFX Led Region"); stage.setScene(scene); stage.show(); control.setBlinking(true); calcNoOfNodes(scene.getRoot()); System.out.println(noOfNodes + " Nodes in SceneGraph"); } public static void main(String[] args) { Application.launch(args); } // ******************** Misc ********************************************** private static void calcNoOfNodes(Node node) { if (node instanceof Parent) { if (((Parent) node).getChildrenUnmodifiable().size() != 0) { ObservableList<Node> tempChildren = ((Parent) node).getChildrenUnmodifiable(); noOfNodes += tempChildren.size(); for (Node n : tempChildren) { calcNoOfNodes(n); //System.out.println(n.getStyleClass().toString()); } } } } }