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Compass control with Medusa Gauge (needs Medusa > 3.1)
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| import eu.hansolo.medusa.Fonts; | |
| import eu.hansolo.medusa.Gauge; | |
| import eu.hansolo.medusa.Gauge.KnobType; | |
| import eu.hansolo.medusa.Gauge.NeedleBehavior; | |
| import eu.hansolo.medusa.Gauge.NeedleShape; | |
| import eu.hansolo.medusa.Gauge.NeedleType; | |
| import eu.hansolo.medusa.GaugeBuilder; | |
| import javafx.animation.AnimationTimer; | |
| import javafx.application.Application; | |
| import javafx.collections.ObservableList; | |
| import javafx.geometry.Insets; | |
| import javafx.geometry.Pos; | |
| import javafx.scene.Node; | |
| import javafx.scene.Parent; | |
| import javafx.scene.Scene; | |
| import javafx.scene.control.Label; | |
| import javafx.scene.layout.VBox; | |
| import javafx.scene.text.Font; | |
| import javafx.stage.Stage; | |
| import java.util.Locale; | |
| import java.util.Random; | |
| /** | |
| * Created by hansolo on 02.02.16. | |
| */ | |
| public class CompassGauge extends Application { | |
| private static final Random RND = new Random(); | |
| private static int noOfNodes = 0; | |
| private Gauge gauge; | |
| private Label value; | |
| private long lastTimerCall; | |
| private AnimationTimer timer; | |
| @Override public void init() { | |
| gauge = GaugeBuilder.create() | |
| .prefSize(400, 400) | |
| .borderPaint(Gauge.DARK_COLOR) | |
| .minValue(0) | |
| .maxValue(359) | |
| .autoScale(false) | |
| .startAngle(180) | |
| .angleRange(360) | |
| .minorTickMarksVisible(false) | |
| .mediumTickMarksVisible(false) | |
| .majorTickMarksVisible(false) | |
| .customTickLabelsEnabled(true) | |
| .customTickLabels("N", "", "", "", "", "", "", "", "", | |
| "E", "", "", "", "", "", "", "", "", | |
| "S", "", "", "", "", "", "", "", "", | |
| "W", "", "", "", "", "", "", "", "") | |
| .customTickLabelFontSize(48) | |
| .knobType(KnobType.FLAT) | |
| .knobColor(Gauge.DARK_COLOR) | |
| .needleShape(NeedleShape.FLAT) | |
| .needleType(NeedleType.FAT) | |
| .needleBehavior(NeedleBehavior.OPTIMIZED) | |
| .tickLabelColor(Gauge.DARK_COLOR) | |
| .animated(true) | |
| .animationDuration(500) | |
| .valueVisible(false) | |
| .build(); | |
| gauge.valueProperty().addListener(o -> { | |
| value.setText(String.format(Locale.US, "%.0f°", gauge.getValue())); | |
| }); | |
| value = new Label("0°"); | |
| value.setFont(Fonts.latoBold(72)); | |
| value.setAlignment(Pos.CENTER); | |
| value.setPrefWidth(400); | |
| lastTimerCall = System.nanoTime(); | |
| timer = new AnimationTimer() { | |
| @Override public void handle(long now) { | |
| if (now > lastTimerCall + 3_000_000_000l) { | |
| gauge.setValue(RND.nextDouble() * 359.9); | |
| lastTimerCall = now; | |
| } | |
| } | |
| }; | |
| } | |
| @Override public void start(Stage stage) { | |
| VBox pane = new VBox(gauge, value); | |
| pane.setSpacing(20); | |
| pane.setPadding(new Insets(10)); | |
| Scene scene = new Scene(pane); | |
| stage.setTitle("Medusa Compass"); | |
| stage.setScene(scene); | |
| stage.show(); | |
| timer.start(); | |
| // Calculate number of nodes | |
| calcNoOfNodes(pane); | |
| System.out.println(noOfNodes + " Nodes in SceneGraph"); | |
| } | |
| @Override public void stop() { | |
| System.exit(0); | |
| } | |
| // ******************** 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); } | |
| } | |
| } | |
| } | |
| public static void main(String[] args) { | |
| launch(args); | |
| } | |
| } |
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