PotentiometerSkin.java

package com.soundlooper.gui.customComponent.potentiometer;

import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.geometry.Insets;
import javafx.scene.control.ButtonBase;
import javafx.scene.control.Label;
import javafx.scene.control.SkinBase;
import javafx.scene.effect.DropShadow;
import javafx.scene.layout.AnchorPane;
import javafx.scene.layout.Background;
import javafx.scene.layout.BackgroundFill;
import javafx.scene.layout.CornerRadii;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;
import javafx.scene.shape.Polygon;
import javafx.scene.transform.Rotate;

import com.soundlooper.system.SoundLooperLigthing;

public class PotentiometerSkin extends SkinBase<Potentiometer> {

	// private ImageView imageView;
	private Label valueLabel;

	private AnchorPane potentiometerView;
	Circle circle;

	private double dragStart;
	private double initialValue;

	private AnchorPane anchorPane = new AnchorPane();
	Rotate rotate = new Rotate(0, 25, 25, 0, Rotate.Z_AXIS);

	protected PotentiometerSkin(Potentiometer control) {
		super(control);

		if (Potentiometer.SIZE_MEDIUM.equals(control.getSize())) {
			// imageView = ImageGetter.getIconePotentiometer50();
			anchorPane.resize(100, 100);

			potentiometerView = new AnchorPane();
			potentiometerView.resize(50, 50);
			circle = new Circle(25);
			circle.setFill(new Color(0.215d, 0.215d, 0.215d, 1));

			DropShadow shadow = new DropShadow();
			shadow.setRadius(2);
			circle.setEffect(shadow);

			potentiometerView.getChildren().add(circle);
			circle.relocate(0, 0);

			Polygon arrow = new Polygon();
			arrow.getPoints().setAll(0d, 0d, 10d, 0d, 5d, 10d);
			potentiometerView.getChildren().add(arrow);
			arrow.relocate(20, 41);

			// potentiometerView.setBorder(new Border(new
			// BorderStroke(Color.RED, BorderStrokeStyle.SOLID,
			// CornerRadii.EMPTY, BorderWidths.DEFAULT)));

		} else if (Potentiometer.SIZE_SMALL.equals(control.getSize())) {
			// imageView = ImageGetter.getIconePotentiometer30();
			// anchorPane.resize(60, 60);
		} else {
			// By default, take a small size
			// imageView = ImageGetter.getIconePotentiometer30();
		}
		control.valueProperty().addListener(new ChangeListener<Number>() {

			@Override
			public void changed(ObservableValue<? extends Number> observable, Number oldValue, Number newValue) {
				getSkinnable().requestLayout();
			}
		});

		control.setEffect(SoundLooperLigthing.getPotentiometerLighting());

		anchorPane.getChildren().add(potentiometerView);
		potentiometerView.relocate(25, 0);
		potentiometerView.getTransforms().add(rotate);

		control.centralButtonProperty().addListener(new ChangeListener<ButtonBase>() {
			@Override
			public void changed(ObservableValue<? extends ButtonBase> observable, ButtonBase oldValue,
					ButtonBase newValue) {
				if (oldValue != null) {
					anchorPane.getChildren().remove(oldValue);
				}

				if (newValue != null) {
					anchorPane.getChildren().add(0, newValue);
					getSkinnable().forceLayout();
				}

			}
		});
		if (control.getCentralButton() != null) {
			DropShadow shadow = new DropShadow();
			control.getCentralButton().setEffect(shadow);
			anchorPane.getChildren().add(0, control.getCentralButton());
			getSkinnable().forceLayout();
			control.getCentralButton().setBackground(
					new Background(new BackgroundFill(Color.LIGHTYELLOW, new CornerRadii(16), Insets.EMPTY)));

			control.getCentralButton().relocate(10, 60);

			// if (control.getDisplayValue()) {
			// // valueLabel = new Label();
			// //
			// valueLabel.textProperty().bindBidirectional(control.valueProperty(),
			// // new NumberStringConverter());
			// // anchorPane.getChildren().add(0, valueLabel);
			// control.getCentralButton().textProperty()
			// .bindBidirectional(control.valueProperty(), new
			// NumberStringConverter());
			// }
		}

		getChildren().add(anchorPane);
	}

	@Override
	protected void layoutChildren(double contentX, double contentY, double contentWidth, double contentHeight) {

		// anchorPane.setBackground(new Background(new
		// BackgroundFill(Color.BLUE, CornerRadii.EMPTY, Insets.EMPTY)));

		Potentiometer potentiometer = getSkinnable();
		double potentiometerViewX = contentX + contentWidth / 2 - potentiometerView.getWidth() / 2;
		double potentiometerViewY = contentY + contentHeight / 2 - potentiometerView.getHeight() / 2;
		potentiometerView.relocate(potentiometerViewX, potentiometerViewY);
		double unitePerDegree = (360 - potentiometer.getRotationBoundaryMinInDegree() - potentiometer
				.getRotationBoundaryMaxInDegree()) / (potentiometer.getMax() - potentiometer.getMin());
		double angle = unitePerDegree * (potentiometer.getValue() - potentiometer.getMin())
				+ potentiometer.getRotationBoundaryMinInDegree();

		rotate.setAngle(angle);

		if (dragStart == 0) {
			potentiometerView.setOnMousePressed(me -> {
				dragStart = me.getSceneX();
				initialValue = potentiometer.getValue();
			});

			potentiometerView.setOnMouseDragged(me -> {
				double move = dragStart - me.getSceneX();
				double newValue = initialValue - (move * potentiometer.getSensibility());
				potentiometer.setValue(newValue);
				me.consume();
			});
		}

		// ButtonBase centralButton = potentiometer.getCentralButton();
		// if (centralButton != null) {
		// // centralButton.resize(24, 24);
		//
		// centralButton.setBackground(new Background(new
		// BackgroundFill(Color.LIGHTYELLOW, new CornerRadii(16),
		// Insets.EMPTY)));
		//
		// double buttonHeight = centralButton.getLayoutBounds().getHeight();
		//
		// centralButton.relocate(potentiometerViewX - 7, potentiometerViewY +
		// potentiometerView.getHeight()
		// - buttonHeight + 7);
		// }
		//
		// if (valueLabel != null) {
		// valueLabel.relocate(15, 15);
		// }

	}
}