/* * Copyright (c) 2016 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.medusa.skins; import eu.hansolo.medusa.Fonts; import eu.hansolo.medusa.Gauge; import eu.hansolo.medusa.Gauge.ScaleDirection; import eu.hansolo.medusa.tools.ConicalGradient; import eu.hansolo.medusa.tools.Helper; import javafx.beans.InvalidationListener; import javafx.scene.effect.BlurType; import javafx.scene.effect.DropShadow; import javafx.scene.layout.Pane; import javafx.scene.paint.Color; import javafx.scene.paint.Stop; import javafx.scene.shape.Arc; import javafx.scene.shape.Circle; import javafx.scene.shape.Rectangle; import javafx.scene.shape.StrokeLineCap; import javafx.scene.shape.StrokeType; import javafx.scene.text.Text; import java.util.List; import java.util.Locale; import static eu.hansolo.medusa.tools.Helper.formatNumber; /** * Created by hansolo on 11.04.16. */ public class BarSkin extends GaugeSkinBase { private static final double ANGLE_RANGE = 360; private double size; private Text titleText; private Text valueText; private Text unitText; private Circle dot; private Circle fakeDot; private Arc arc; private Circle circle; private Pane pane; private DropShadow shadow; private ConicalGradient gradient; private double center; private double range; private double angleStep; private InvalidationListener currentValueListener; private InvalidationListener barColorListener; private InvalidationListener titleListener; private InvalidationListener unitListener; // ******************** Constructors ************************************** public BarSkin(Gauge gauge) { super(gauge); if (gauge.isAutoScale()) gauge.calcAutoScale(); range = gauge.getRange(); angleStep = -ANGLE_RANGE / range; currentValueListener = o -> redraw(); barColorListener = o -> { Color barColor = gauge.getBarColor(); gauge.setGradientBarStops(new Stop(0.0, barColor), new Stop(0.01, barColor), new Stop(0.75, barColor.deriveColor(-10, 1, 1, 1)), new Stop(1.0, barColor.deriveColor(-20, 1, 1, 1))); resize(); }; titleListener = o -> { titleText.setText(gauge.getTitle()); resizeTitleText(); }; unitListener = o -> { unitText.setText(gauge.getUnit()); resizeUnitText(); }; initGraphics(); registerListeners(); } // ******************** Initialization ************************************ private void initGraphics() { // Set initial size if (Double.compare(gauge.getPrefWidth(), 0.0) <= 0 || Double.compare(gauge.getPrefHeight(), 0.0) <= 0 || Double.compare(gauge.getWidth(), 0.0) <= 0 || Double.compare(gauge.getHeight(), 0.0) <= 0) { if (gauge.getPrefWidth() > 0 && gauge.getPrefHeight() > 0) { gauge.setPrefSize(gauge.getPrefWidth(), gauge.getPrefHeight()); } else { gauge.setPrefSize(PREFERRED_WIDTH, PREFERRED_HEIGHT); } } Color barColor = gauge.getBarColor(); gauge.setGradientBarStops(new Stop(0.0, barColor), new Stop(0.01, barColor), new Stop(0.75, barColor.deriveColor(-10, 1, 1, 1)), new Stop(1.0, barColor.deriveColor(-20, 1, 1, 1))); shadow = new DropShadow(BlurType.TWO_PASS_BOX, Color.rgb(0, 0, 0, 0.45), 0.01 * PREFERRED_WIDTH, 0, 0.01 * PREFERRED_WIDTH, 0); circle = new Circle(); circle.setFill(null); arc = new Arc(PREFERRED_WIDTH * 0.5, PREFERRED_HEIGHT * 0.5, PREFERRED_WIDTH * 0.96, PREFERRED_WIDTH * 0.48, 90, 0); arc.setStrokeWidth(PREFERRED_WIDTH * 0.008); arc.setStrokeType(StrokeType.CENTERED); arc.setStrokeLineCap(StrokeLineCap.ROUND); arc.setFill(null); fakeDot = new Circle(); fakeDot.setStroke(null); dot = new Circle(); dot.setStroke(null); dot.setVisible(false); dot.setEffect(shadow); titleText = new Text(gauge.getTitle()); titleText.setFont(Fonts.robotoLight(PREFERRED_WIDTH * 0.5)); titleText.setFill(gauge.getTitleColor()); Helper.enableNode(titleText, !gauge.getTitle().isEmpty()); valueText = new Text(formatNumber(gauge.getLocale(), gauge.getFormatString(), gauge.getDecimals(), gauge.getCurrentValue())); valueText.setFont(Fonts.robotoRegular(PREFERRED_WIDTH * 0.27333)); valueText.setFill(gauge.getValueColor()); Helper.enableNode(valueText, gauge.isValueVisible()); unitText = new Text(gauge.getUnit()); unitText.setFont(Fonts.robotoLight(PREFERRED_WIDTH * 0.08)); unitText.setFill(gauge.getUnitColor()); Helper.enableNode(unitText, !gauge.getUnit().isEmpty()); pane = new Pane(circle, arc, fakeDot, dot, titleText, valueText, unitText); getChildren().setAll(pane); } @Override protected void registerListeners() { super.registerListeners(); gauge.currentValueProperty().addListener(currentValueListener); gauge.barColorProperty().addListener(barColorListener); gauge.titleProperty().addListener(titleListener); gauge.unitProperty().addListener(unitListener); } // ******************** Methods ******************************************* @Override protected void handleEvents(final String EVENT_TYPE) { super.handleEvents(EVENT_TYPE); if ("RECALC".equals(EVENT_TYPE)) { range = gauge.getRange(); angleStep = -ANGLE_RANGE / range; redraw(); } else if ("VISIBILITY".equals(EVENT_TYPE)) { Helper.enableNode(titleText, !gauge.getTitle().isEmpty()); } } @Override public void dispose() { gauge.currentValueProperty().removeListener(currentValueListener); gauge.barColorProperty().removeListener(barColorListener); gauge.titleProperty().removeListener(titleListener); gauge.unitProperty().removeListener(unitListener); super.dispose(); } // ******************** Resizing ****************************************** private void resizeTitleText() { double maxWidth = 0.48 * size; double fontSize = 0.08 * size; titleText.setFont(Fonts.robotoLight(fontSize)); if (titleText.getLayoutBounds().getWidth() > maxWidth) { Helper.adjustTextSize(titleText, maxWidth, fontSize); } titleText.relocate((size - titleText.getLayoutBounds().getWidth()) * 0.5, size * 0.25); } private void resizeValueText() { double maxWidth = 0.5 * size; double fontSize = 0.3 * size; valueText.setFont(Fonts.robotoRegular(fontSize)); if (valueText.getLayoutBounds().getWidth() > maxWidth) { Helper.adjustTextSize(valueText, maxWidth, fontSize); } valueText.relocate((size - valueText.getLayoutBounds().getWidth()) * 0.5, (size - valueText.getLayoutBounds().getHeight()) * 0.5); } private void resizeUnitText() { double maxWidth = 0.56667 * size; double fontSize = 0.08 * size; unitText.setFont(Fonts.robotoLight(fontSize)); if (unitText.getLayoutBounds().getWidth() > maxWidth) { Helper.adjustTextSize(unitText, maxWidth, fontSize); } unitText.relocate((size - unitText.getLayoutBounds().getWidth()) * 0.5, size * 0.68); } @Override protected void resize() { double width = gauge.getWidth() - gauge.getInsets().getLeft() - gauge.getInsets().getRight(); double height = gauge.getHeight() - gauge.getInsets().getTop() - gauge.getInsets().getBottom(); size = width < height ? width : height; if (width > 0 && height > 0) { pane.setMaxSize(size, size); pane.setPrefSize(size, size); pane.relocate((width - size) * 0.5, (height - size) * 0.5); center = size * 0.5; circle.setCenterX(center); circle.setCenterY(center); circle.setRadius(size * 0.44); circle.setStrokeWidth(size * 0.11); arc.setCenterX(center); arc.setCenterY(center); arc.setRadiusX(size * 0.44); arc.setRadiusY(size * 0.44); arc.setStrokeWidth(size * 0.11); shadow.setRadius(0.03 * size); shadow.setOffsetX(0.03 * size); Color barColor = gauge.getBarColor(); double currentValue = gauge.getCurrentValue(); List<Stop> gradientBarStops = gauge.getGradientBarStops(); circle.setStroke(Color.color(barColor.getRed(), barColor.getGreen(), barColor.getBlue(), 0.13)); Rectangle bounds = new Rectangle(0, 0, size, size); gradient = new ConicalGradient(center, center, ScaleDirection.CLOCKWISE, gradientBarStops); arc.setStroke(gradient.getImagePattern(bounds)); arc.setLength(currentValue * angleStep); fakeDot.setRadius(size * 0.055); fakeDot.setFill(gradientBarStops.get(0).getColor()); dot.setRadius(size * 0.055); dot.setFill(gradientBarStops.get(3).getColor()); dot.setCenterX(center + arc.getRadiusX() * Math.sin(Math.toRadians(180 - currentValue * angleStep))); dot.setCenterY(center + arc.getRadiusY() * Math.cos(Math.toRadians(180 - currentValue * angleStep))); titleText.setFill(barColor); resizeTitleText(); resizeValueText(); resizeUnitText(); redraw(); } } @Override protected void redraw() { double currentValue = gauge.getCurrentValue(); double angle = currentValue * angleStep; double rotate = angle < -360 ? angle + 360 : 0; arc.setRotate(-rotate); arc.setLength(Helper.clamp(-360.0, 0.0, angle)); dot.setRotate(-angle); dot.setVisible(angle < -345 ? true : false); if (angle < -360) { fakeDot.setCenterX(center + arc.getRadiusX() * Math.sin(Math.toRadians(180 + angle))); fakeDot.setCenterY(center + arc.getRadiusY() * Math.cos(Math.toRadians(180 + angle))); } else { fakeDot.setCenterX(center + arc.getRadiusX() * Math.sin(Math.toRadians(180))); fakeDot.setCenterY(center + arc.getRadiusY() * Math.cos(Math.toRadians(180))); } dot.setCenterX(center + arc.getRadiusX() * Math.sin(Math.toRadians(180 + angle))); dot.setCenterY(center + arc.getRadiusY() * Math.cos(Math.toRadians(180 + angle))); titleText.setFill(gauge.getTitleColor()); valueText.setFill(gauge.getValueColor()); unitText.setFill(gauge.getUnitColor()); valueText.setText(formatNumber(gauge.getLocale(), gauge.getFormatString(), gauge.getDecimals(), gauge.getCurrentValue())); resizeValueText(); } }