eu.hansolo.medusa.skins.DashboardSkin Maven / Gradle / Ivy
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Medusa is a JavaFX 8 library containing gauges and clocks
/*
* Copyright (c) 2015 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.Section;
import eu.hansolo.medusa.tools.Helper;
import java.util.List;
import java.util.Locale;
import java.util.regex.Pattern;
import javafx.beans.InvalidationListener;
import javafx.geometry.Insets;
import javafx.geometry.VPos;
import javafx.scene.effect.BlurType;
import javafx.scene.effect.InnerShadow;
import javafx.scene.layout.Background;
import javafx.scene.layout.BackgroundFill;
import javafx.scene.layout.Border;
import javafx.scene.layout.BorderStroke;
import javafx.scene.layout.BorderStrokeStyle;
import javafx.scene.layout.BorderWidths;
import javafx.scene.layout.CornerRadii;
import javafx.scene.layout.Pane;
import javafx.scene.paint.Color;
import javafx.scene.shape.ArcTo;
import javafx.scene.shape.ClosePath;
import javafx.scene.shape.FillRule;
import javafx.scene.shape.Line;
import javafx.scene.shape.LineTo;
import javafx.scene.shape.MoveTo;
import javafx.scene.shape.Path;
import javafx.scene.shape.StrokeLineCap;
import javafx.scene.text.Font;
import javafx.scene.text.Text;
import static eu.hansolo.medusa.tools.Helper.formatNumber;
/**
* Created by hansolo on 28.12.15.
*/
public class DashboardSkin extends GaugeSkinBase {
protected static final double PREFERRED_WIDTH = 200;
protected static final double PREFERRED_HEIGHT = 148;
protected static final double MINIMUM_WIDTH = 50;
protected static final double MINIMUM_HEIGHT = 50;
protected static final double MAXIMUM_WIDTH = 1024;
protected static final double MAXIMUM_HEIGHT = 1024;
private static final double ASPECT_RATIO = 0.74;
private static final double ANGLE_RANGE = 180;
private double size;
private double width;
private double height;
private double centerX;
private double currentValueAngle;
private Pane pane;
private Text unitText;
private Text titleText;
private Text valueText;
private Text minText;
private Text maxText;
private Path barBackground;
private MoveTo barBackgroundStart;
private ArcTo barBackgroundOuterArc;
private LineTo barBackgroundLineToInnerArc;
private ArcTo barBackgroundInnerArc;
private Path dataBar;
private MoveTo dataBarStart;
private ArcTo dataBarOuterArc;
private LineTo dataBarLineToInnerArc;
private ArcTo dataBarInnerArc;
private Line threshold;
private Text thresholdText;
private InnerShadow innerShadow;
private Font smallFont;
private Font bigFont;
private double range;
private double angleStep;
private boolean colorGradientEnabled;
private int noOfGradientStops;
private boolean sectionsVisible;
private List sections;
private String formatString;
private String otherFormatString;
private Locale locale;
private double minValue;
private InvalidationListener currentValueListener;
// ******************** Constructors **************************************
public DashboardSkin(Gauge gauge) {
super(gauge);
if (gauge.isAutoScale()) gauge.calcAutoScale();
range = gauge.getRange();
angleStep = ANGLE_RANGE / range;
colorGradientEnabled = gauge.isGradientBarEnabled();
noOfGradientStops = gauge.getGradientBarStops().size();
sectionsVisible = gauge.getSectionsVisible();
sections = gauge.getSections();
currentValueAngle = 0;
formatString = new StringBuilder("%.").append(Integer.toString(gauge.getDecimals())).append("f").toString();
otherFormatString = new StringBuilder("%.").append(Integer.toString(gauge.getTickLabelDecimals())).append("f").toString();
locale = gauge.getLocale();
currentValueListener = o -> setBar(gauge.getCurrentValue());
initGraphics();
registerListeners();
setBar(gauge.getValue());
}
// ******************** 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);
}
}
unitText = new Text(gauge.getUnit());
unitText.setTextOrigin(VPos.CENTER);
unitText.setFill(gauge.getUnitColor());
Helper.enableNode(unitText, !gauge.getUnit().isEmpty());
titleText = new Text(gauge.getTitle());
titleText.setTextOrigin(VPos.CENTER);
titleText.setFill(gauge.getTitleColor());
Helper.enableNode(titleText, !gauge.getTitle().isEmpty());
valueText = new Text(formatNumber(gauge.getLocale(), gauge.getFormatString(), gauge.getDecimals(), gauge.getCurrentValue()));
valueText.setTextOrigin(VPos.CENTER);
valueText.setFill(gauge.getValueColor());
Helper.enableNode(valueText, gauge.isValueVisible());
minValue = gauge.getMinValue();
minText = new Text(String.format(locale, otherFormatString, minValue));
minText.setTextOrigin(VPos.CENTER);
minText.setFill(gauge.getValueColor());
maxText = new Text(String.format(locale, otherFormatString, gauge.getMaxValue()));
maxText.setTextOrigin(VPos.CENTER);
maxText.setFill(gauge.getValueColor());
boolean tickLabelsVisible = gauge.getTickLabelsVisible();
Helper.enableNode(minText, tickLabelsVisible);
Helper.enableNode(maxText, tickLabelsVisible);
innerShadow = new InnerShadow(BlurType.TWO_PASS_BOX, Color.rgb(0, 0, 0, 0.3), 30.0, 0.0, 0.0, 10.0);
barBackgroundStart = new MoveTo(0, 0.675 * PREFERRED_HEIGHT);
barBackgroundOuterArc = new ArcTo(0.675 * PREFERRED_HEIGHT, 0.675 * PREFERRED_HEIGHT, 0, PREFERRED_WIDTH, 0.675 * PREFERRED_HEIGHT, true, true);
barBackgroundLineToInnerArc = new LineTo(0.72222 * PREFERRED_WIDTH, 0.675 * PREFERRED_HEIGHT);
barBackgroundInnerArc = new ArcTo(0.3 * PREFERRED_HEIGHT, 0.3 * PREFERRED_HEIGHT, 0, 0.27778 * PREFERRED_WIDTH, 0.675 * PREFERRED_HEIGHT, false, false);
barBackground = new Path();
barBackground.setFillRule(FillRule.EVEN_ODD);
barBackground.getElements().add(barBackgroundStart);
barBackground.getElements().add(barBackgroundOuterArc);
barBackground.getElements().add(barBackgroundLineToInnerArc);
barBackground.getElements().add(barBackgroundInnerArc);
barBackground.getElements().add(new ClosePath());
barBackground.setFill(gauge.getBarBackgroundColor());
barBackground.setStroke(gauge.getBorderPaint());
barBackground.setEffect(gauge.isShadowsEnabled() ? innerShadow : null);
dataBarStart = new MoveTo(0, 0.675 * PREFERRED_HEIGHT);
dataBarOuterArc = new ArcTo(0.675 * PREFERRED_HEIGHT, 0.675 * PREFERRED_HEIGHT, 0, 0, 0, false, true);
dataBarLineToInnerArc = new LineTo(0.27778 * PREFERRED_WIDTH, 0.675 * PREFERRED_HEIGHT);
dataBarInnerArc = new ArcTo(0.3 * PREFERRED_HEIGHT, 0.3 * PREFERRED_HEIGHT, 0, 0, 0, false, false);
dataBar = new Path();
dataBar.setFillRule(FillRule.EVEN_ODD);
dataBar.getElements().add(dataBarStart);
dataBar.getElements().add(dataBarOuterArc);
dataBar.getElements().add(dataBarLineToInnerArc);
dataBar.getElements().add(dataBarInnerArc);
dataBar.getElements().add(new ClosePath());
dataBar.setFill(gauge.getBarColor());
dataBar.setStroke(gauge.getBorderPaint());
dataBar.setEffect(gauge.isShadowsEnabled() ? innerShadow : null);
threshold = new Line();
threshold.setStrokeLineCap(StrokeLineCap.BUTT);
Helper.enableNode(threshold, gauge.isThresholdVisible());
thresholdText = new Text(String.format(locale, formatString, gauge.getThreshold()));
Helper.enableNode(thresholdText, gauge.isThresholdVisible());
pane = new Pane(unitText, titleText, valueText, minText, maxText, barBackground, dataBar, threshold, thresholdText);
pane.setBorder(new Border(new BorderStroke(gauge.getBorderPaint(), BorderStrokeStyle.SOLID, CornerRadii.EMPTY, new BorderWidths(gauge.getBorderWidth()))));
pane.setBackground(new Background(new BackgroundFill(gauge.getBackgroundPaint(), CornerRadii.EMPTY, Insets.EMPTY)));
getChildren().setAll(pane);
}
@Override protected void registerListeners() {
super.registerListeners();
gauge.currentValueProperty().addListener(currentValueListener);
}
// ******************** 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;
minValue = gauge.getMinValue();
sections = gauge.getSections();
resize();
redraw();
setBar(gauge.getCurrentValue());
} else if ("VISIBILITY".equals(EVENT_TYPE)) {
Helper.enableNode(valueText, gauge.isValueVisible());
Helper.enableNode(titleText, !gauge.getTitle().isEmpty());
Helper.enableNode(unitText, !gauge.getUnit().isEmpty());
boolean tickLabelsVisible = gauge.getTickLabelsVisible();
Helper.enableNode(minText, tickLabelsVisible);
Helper.enableNode(maxText, tickLabelsVisible);
boolean thresholdVisible = gauge.isThresholdVisible();
Helper.enableNode(threshold, thresholdVisible);
Helper.enableNode(thresholdText, thresholdVisible);
resize();
redraw();
}
}
@Override public void dispose() {
gauge.currentValueProperty().removeListener(currentValueListener);
super.dispose();
}
// ******************** Private Methods ***********************************
private void setBar( final double VALUE ) {
currentValueAngle = Helper.clamp(90.0, 270.0, ( VALUE - minValue ) * angleStep + 90.0);
double smallHeight = 0.675 * height;
double tinyHeight = 0.3 * height;
double currentValueSin = Math.sin(-Math.toRadians(currentValueAngle));
double currentValueCos = Math.cos(-Math.toRadians(currentValueAngle));
dataBarOuterArc.setX(centerX + smallHeight * currentValueSin);
dataBarOuterArc.setY(centerX + smallHeight * currentValueCos);
dataBarLineToInnerArc.setX(centerX + tinyHeight * currentValueSin);
dataBarLineToInnerArc.setY(centerX + tinyHeight * currentValueCos);
if (gauge.isStartFromZero()) {
double min = gauge.getMinValue();
double max = gauge.getMaxValue();
if ( ( VALUE > min || min < 0 ) && ( VALUE < max || max > 0 ) ) {
if ( max < 0 ) {
dataBarStart.setX(centerX + smallHeight);
dataBarStart.setY(smallHeight);
dataBarOuterArc.setSweepFlag(false);
dataBarInnerArc.setX(centerX + tinyHeight);
dataBarInnerArc.setY(smallHeight);
dataBarInnerArc.setSweepFlag(true);
} else if ( min > 0 ) {
dataBarStart.setX(0);
dataBarStart.setY(smallHeight);
dataBarOuterArc.setSweepFlag(true);
dataBarInnerArc.setX(0.27778 * width);
dataBarInnerArc.setY(smallHeight);
dataBarInnerArc.setSweepFlag(false);
} else {
double zeroAngle = Helper.clamp(90.0, 270.0, 90.0 - minValue * angleStep);
double zeroSin = Math.sin(-Math.toRadians(zeroAngle));
double zeroCos = Math.cos(-Math.toRadians(zeroAngle));
dataBarStart.setX(centerX + smallHeight * zeroSin);
dataBarStart.setY(centerX + smallHeight * zeroCos);
dataBarInnerArc.setX(centerX + tinyHeight * zeroSin);
dataBarInnerArc.setY(centerX + tinyHeight * zeroCos);
if ( VALUE < 0 ) {
dataBarOuterArc.setSweepFlag(false);
dataBarInnerArc.setSweepFlag(true);
} else {
dataBarOuterArc.setSweepFlag(true);
dataBarInnerArc.setSweepFlag(false);
}
}
}
} else {
dataBarStart.setX(0);
dataBarStart.setY(smallHeight);
dataBarOuterArc.setSweepFlag(true);
dataBarInnerArc.setX(0.27778 * width);
dataBarInnerArc.setY(smallHeight);
dataBarInnerArc.setSweepFlag(false);
}
setBarColor(VALUE);
valueText.setText(formatNumber(gauge.getLocale(), gauge.getFormatString(), gauge.getDecimals(), VALUE));
if ( valueText.getLayoutBounds().getWidth() > 0.28 * width ) {
Helper.adjustTextSize(valueText, 0.28 * width, size * 0.24);
}
valueText.relocate(( width - valueText.getLayoutBounds().getWidth() ) * 0.5, 0.615 * height + ( 0.3 * height - valueText.getLayoutBounds().getHeight() ) * 0.5);
}
private void setBarColor(final double VALUE) {
if (!sectionsVisible && !colorGradientEnabled) {
dataBar.setFill(gauge.getBarColor());
} else if (colorGradientEnabled && noOfGradientStops > 1) {
dataBar.setFill(gauge.getGradientLookup().getColorAt((VALUE - minValue) / range));
} else {
dataBar.setFill(gauge.getBarColor());
for (Section section : sections) {
if (section.contains(VALUE)) {
dataBar.setFill(section.getColor());
break;
}
}
}
}
@Override protected void resize() {
width = gauge.getWidth() - gauge.getInsets().getLeft() - gauge.getInsets().getRight();
height = gauge.getHeight() - gauge.getInsets().getTop() - gauge.getInsets().getBottom();
size = width < height ? width : height;
if (ASPECT_RATIO * width > height) {
width = 1 / (ASPECT_RATIO / height);
} else if (1 / (ASPECT_RATIO / height) > width) {
height = ASPECT_RATIO * width;
}
if (width > 0 && height > 0) {
pane.setMaxSize(width, height);
pane.relocate((gauge.getWidth() - width) * 0.5, (gauge.getHeight() - height) * 0.5);
centerX = width * 0.5;
smallFont = Fonts.robotoThin(0.12 * height);
bigFont = Fonts.robotoRegular(0.24 * height);
unitText.setFont(smallFont);
unitText.relocate((width - unitText.getLayoutBounds().getWidth()) * 0.5, 0.5 * height);
double maxWidth = 0.95 * width;
titleText.setFont(smallFont);
if (titleText.getLayoutBounds().getWidth() > maxWidth) Helper.adjustTextSize(titleText, maxWidth, size * 0.12);
titleText.relocate((width - titleText.getLayoutBounds().getWidth()) * 0.5, 0.88 * height);
maxWidth = 0.28 * width;
valueText.setFont(bigFont);
if (valueText.getLayoutBounds().getWidth() > maxWidth) Helper.adjustTextSize(valueText, maxWidth, size * 0.24);
valueText.relocate((width - valueText.getLayoutBounds().getWidth()) * 0.5, 0.615 * height + (0.3 * height - valueText.getLayoutBounds().getHeight()) * 0.5);
maxWidth = 0.27 * width;
minText.setText(String.format(locale, otherFormatString, minValue));
minText.setFont(smallFont);
if (minText.getLayoutBounds().getWidth() > maxWidth) Helper.adjustTextSize(minText, maxWidth, size * 0.12);
minText.relocate(((0.27778 * width) - minText.getLayoutBounds().getWidth()) * 0.5, 0.7 * height);
maxText.setText(String.format(locale, otherFormatString, gauge.getMaxValue()));
maxText.setFont(smallFont);
if (maxText.getLayoutBounds().getWidth() > maxWidth) Helper.adjustTextSize(maxText, maxWidth, size * 0.12);
maxText.relocate(((0.27778 * width) - maxText.getLayoutBounds().getWidth()) * 0.5 + 0.72222 * width, 0.7 * height);
if (gauge.isShadowsEnabled()) {
innerShadow.setRadius(0.075 * height);
innerShadow.setOffsetY(0.025 * height);
}
barBackgroundStart.setX(0);
barBackgroundStart.setY(0.675 * height);
barBackgroundOuterArc.setRadiusX(0.675 * height);
barBackgroundOuterArc.setRadiusY(0.675 * height);
barBackgroundOuterArc.setX(width);
barBackgroundOuterArc.setY(0.675 * height);
barBackgroundLineToInnerArc.setX(0.72222 * width);
barBackgroundLineToInnerArc.setY(0.675 * height);
barBackgroundInnerArc.setRadiusX(0.3 * height);
barBackgroundInnerArc.setRadiusY(0.3 * height);
barBackgroundInnerArc.setX(0.27778 * width);
barBackgroundInnerArc.setY(0.675 * height);
currentValueAngle = Helper.clamp(90.0, 270.0, (gauge.getCurrentValue() - minValue) * angleStep + 90.0);
dataBarStart.setX(0);
dataBarStart.setY(0.675 * height);
dataBarOuterArc.setRadiusX(0.675 * height);
dataBarOuterArc.setRadiusY(0.675 * height);
dataBarOuterArc.setX(centerX + (0.675 * height) * Math.sin(-Math.toRadians(currentValueAngle)));
dataBarOuterArc.setY(centerX + (0.675 * height) * Math.cos(-Math.toRadians(currentValueAngle)));
dataBarLineToInnerArc.setX(centerX + (0.3 * height) * Math.sin(-Math.toRadians(currentValueAngle)));
dataBarLineToInnerArc.setY(centerX + (0.3 * height) * Math.cos(-Math.toRadians(currentValueAngle)));
dataBarInnerArc.setRadiusX(0.3 * height);
dataBarInnerArc.setRadiusY(0.3 * height);
dataBarInnerArc.setX(0.27778 * width);
dataBarInnerArc.setY(0.675 * height);
threshold.setStroke(gauge.getThresholdColor());
threshold.setStrokeWidth(Helper.clamp(1.0, 2.0, 0.00675676 * height));
double thresholdInnerRadius = 0.3 * height;
double thresholdOuterRadius = 0.675 * height;
double thresholdAngle = Helper.clamp(90.0, 270.0, (gauge.getThreshold() - minValue) * angleStep + 90.0);
threshold.setStartX(centerX + thresholdInnerRadius * Math.sin(-Math.toRadians(thresholdAngle)));
threshold.setStartY(centerX + thresholdInnerRadius * Math.cos(-Math.toRadians(thresholdAngle)));
threshold.setEndX(centerX + thresholdOuterRadius * Math.sin(-Math.toRadians(thresholdAngle)));
threshold.setEndY(centerX + thresholdOuterRadius * Math.cos(-Math.toRadians(thresholdAngle)));
double thresholdTextRadius = 0.26 * height;
thresholdText.setFill(gauge.getValueColor());
thresholdText.setText(String.format(locale, formatString, gauge.getThreshold()));
thresholdText.setFont(Fonts.robotoBold(size * 0.047));
thresholdText.setRotate(thresholdAngle + 180);
thresholdText.relocate(centerX - (thresholdText.getLayoutBounds().getWidth() * 0.5) + thresholdTextRadius * Math.sin(-Math.toRadians(thresholdAngle)),
centerX - (thresholdText.getLayoutBounds().getWidth() * 0.5) + thresholdTextRadius * Math.cos(-Math.toRadians(thresholdAngle)));
}
}
@Override protected void redraw() {
pane.setBorder(new Border(new BorderStroke(gauge.getBorderPaint(), BorderStrokeStyle.SOLID, CornerRadii.EMPTY, new BorderWidths(gauge.getBorderWidth() / 250 * size))));
pane.setBackground(new Background(new BackgroundFill(gauge.getBackgroundPaint(), CornerRadii.EMPTY, Insets.EMPTY)));
colorGradientEnabled = gauge.isGradientBarEnabled();
noOfGradientStops = gauge.getGradientBarStops().size();
sectionsVisible = gauge.getSectionsVisible();
barBackground.setFill(gauge.getBarBackgroundColor());
barBackground.setEffect(gauge.isShadowsEnabled() ? innerShadow : null);
setBarColor(gauge.getCurrentValue());
dataBar.setEffect(gauge.isShadowsEnabled() ? innerShadow : null);
threshold.setStroke(gauge.getThresholdColor());
double thresholdInnerRadius = 0.3 * height;
double thresholdOuterRadius = 0.675 * height;
double thresholdAngle = Helper.clamp(90.0, 270.0, (gauge.getThreshold() - minValue) * angleStep + 90.0);
threshold.setStartX(centerX + thresholdInnerRadius * Math.sin(-Math.toRadians(thresholdAngle)));
threshold.setStartY(centerX + thresholdInnerRadius * Math.cos(-Math.toRadians(thresholdAngle)));
threshold.setEndX(centerX + thresholdOuterRadius * Math.sin(-Math.toRadians(thresholdAngle)));
threshold.setEndY(centerX + thresholdOuterRadius * Math.cos(-Math.toRadians(thresholdAngle)));
redrawText();
}
private void redrawText() {
locale = gauge.getLocale();
formatString = new StringBuilder("%.").append(Integer.toString(gauge.getDecimals())).append("f").toString();
otherFormatString = new StringBuilder("%.").append(Integer.toString(gauge.getTickLabelDecimals())).append("f").toString();
titleText.setFill(gauge.getTitleColor());
titleText.setText(gauge.getTitle());
titleText.relocate((width - titleText.getLayoutBounds().getWidth()) * 0.5, 0.88 * height);
valueText.setFill(gauge.getValueColor());
valueText.setText(formatNumber(gauge.getLocale(), gauge.getFormatString(), gauge.getDecimals(), gauge.getCurrentValue()));
valueText.relocate((width - valueText.getLayoutBounds().getWidth()) * 0.5, 0.615 * height + (0.3 * height - valueText.getLayoutBounds().getHeight()) * 0.5);
minText.setFill(gauge.getValueColor());
minText.setText(String.format(locale, otherFormatString, gauge.getMinValue()));
minText.relocate(((0.27778 * width) - minText.getLayoutBounds().getWidth()) * 0.5, 0.7 * height);
maxText.setFill(gauge.getValueColor());
maxText.setText(String.format(locale, otherFormatString, gauge.getMaxValue()));
maxText.relocate(((0.27778 * width) - maxText.getLayoutBounds().getWidth()) * 0.5 + 0.72222 * width, 0.7 * height);
unitText.setFill(gauge.getUnitColor());
unitText.setText(gauge.getUnit());
unitText.relocate((width - unitText.getLayoutBounds().getWidth()) * 0.5, 0.5 * height);
double thresholdAngle = Helper.clamp(90.0, 270.0, (gauge.getThreshold() - minValue) * angleStep + 90.0);
double thresholdTextRadius = 0.26 * height;
thresholdText.setFill(gauge.getValueColor());
thresholdText.setText(String.format(locale, formatString, gauge.getThreshold()));
thresholdText.setFont(Fonts.robotoBold(size * 0.047));
thresholdText.setRotate(thresholdAngle + 180);
thresholdText.relocate(centerX - (thresholdText.getLayoutBounds().getWidth() * 0.5) + thresholdTextRadius * Math.sin(-Math.toRadians(thresholdAngle)),
centerX - (thresholdText.getLayoutBounds().getWidth() * 0.5) + thresholdTextRadius * Math.cos(-Math.toRadians(thresholdAngle)));
}
}