package eu.hansolo.enzo.vumeter;/**
* User: hansolo
* Date: 04.11.13
* Time: 10:39
*/
import eu.hansolo.enzo.common.SectionBuilder;
import javafx.animation.AnimationTimer;
import javafx.application.Application;
import javafx.collections.ObservableList;
import javafx.geometry.Insets;
import javafx.geometry.Orientation;
import javafx.scene.Node;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.layout.Background;
import javafx.scene.layout.BackgroundFill;
import javafx.scene.layout.CornerRadii;
import javafx.scene.layout.StackPane;
import javafx.scene.paint.Color;
import javafx.stage.Stage;
import java.util.Random;
public class Demo extends Application {
private static int noOfNodes = 0;
private static final Random RND = new Random();
private VuMeter control;
private long lastTimerCall;
private AnimationTimer timer;
@Override public void init() {
control = VuMeterBuilder.create()
.noOfLeds(25)
.peakValueVisible(true)
//.interactive(true)
.orientation(Orientation.HORIZONTAL)
.sections(SectionBuilder.create()
.start(0)
.stop(0.6)
.styleClass("led-section-0")
.build(),
SectionBuilder.create()
.start(0.6)
.stop(0.8)
.styleClass("led-section-1")
.build(),
SectionBuilder.create()
.start(0.8)
.stop(1.0)
.styleClass("led-section-2")
.build())
.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.setBackground(new Background(new BackgroundFill(Color.DARKGRAY, CornerRadii.EMPTY, Insets.EMPTY)));
pane.setPadding(new Insets(10, 10, 10, 10));
pane.getChildren().add(control);
Scene scene = new Scene(pane);
stage.setTitle("VuMeter 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());
}
}
}
}
}