/*
* 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 eu.hansolo.enzo.ledbargraph;
import eu.hansolo.enzo.led.Led;
import javafx.animation.AnimationTimer;
import javafx.application.Application;
import javafx.collections.ObservableList;
import javafx.geometry.Orientation;
import javafx.scene.Node;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.layout.StackPane;
import javafx.scene.paint.Color;
import javafx.stage.Stage;
import java.util.Random;
/**
* Created by
* User: hansolo
* Date: 19.11.12
* Time: 04:02
*/
public class Demo extends Application {
private static int noOfNodes = 0;
private static final Random RND = new Random();
private LedBargraph control;
private long lastTimerCall;
private AnimationTimer timer;
@Override public void init() {
control = LedBargraphBuilder.create()
.ledType(Led.LedType.HORIZONTAL)
.orientation(Orientation.VERTICAL)
.peakValueVisible(true)
.ledSize(32)
.build();
lastTimerCall = System.nanoTime();
timer = new AnimationTimer() {
@Override public void handle(final long NOW) {
if (NOW > lastTimerCall + 100_000_000l) {
control.setValue(RND.nextDouble());
lastTimerCall = NOW;
}
}
};
}
@Override public void start(Stage stage) {
StackPane pane = new StackPane();
pane.getChildren().setAll(control);
Scene scene = new Scene(pane, 400, 400, Color.rgb(0, 0, 0, 0.8));
stage.setTitle("Led Bargraph demo");
stage.setScene(scene);
stage.show();
timer.start();
calcNoOfNodes(scene.getRoot());
System.out.println(noOfNodes + " Nodes in SceneGraph");
}
@Override public void stop() {
}
public static void main(String[] args) {
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());
}
}
}
}
}