eu.hansolo.medusa.skins.WhiteSkin Maven / Gradle / Ivy
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Medusa is a JavaFX 8 library containing gauges and clocks
/*
* 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.tools.Helper;
import javafx.beans.InvalidationListener;
import javafx.geometry.Insets;
import javafx.geometry.VPos;
import javafx.scene.effect.BlurType;
import javafx.scene.effect.DropShadow;
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.Arc;
import javafx.scene.shape.Shape;
import javafx.scene.shape.StrokeLineCap;
import javafx.scene.text.Text;
import java.util.Locale;
import static eu.hansolo.medusa.tools.Helper.formatNumber;
/**
* Created by hansolo on 27.04.16.
*/
public class WhiteSkin extends GaugeSkinBase {
private static final double ANGLE_RANGE = 360;
private double size;
private double center;
private DropShadow shadow;
private DropShadow textShadow;
private Arc backgroundRing;
private Arc barBackground;
private Arc bar;
private Text valueText;
private Text unitText;
private Pane pane;
private double minValue;
private double range;
private double angleStep;
private InvalidationListener currentValueListener;
// ******************** Constructors **************************************
public WhiteSkin(Gauge gauge) {
super(gauge);
if (gauge.isAutoScale()) gauge.calcAutoScale();
minValue = gauge.getMinValue();
range = gauge.getRange();
angleStep = ANGLE_RANGE / range;
currentValueListener = o -> setBar(gauge.getCurrentValue());
initGraphics();
registerListeners();
setBar(gauge.getCurrentValue());
}
// ******************** 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);
}
}
shadow = new DropShadow(BlurType.TWO_PASS_BOX, Color.rgb(0, 0, 0, 0.65), 12, 0, 3, 3);
textShadow = new DropShadow(BlurType.TWO_PASS_BOX, Color.rgb(0, 0, 0, 0.65), 4, 0, 2, 2);
valueText = new Text(formatNumber(gauge.getLocale(), gauge.getFormatString(), gauge.getDecimals(), gauge.getCurrentValue()));
valueText.setFill(Color.WHITE);
valueText.setFont(Fonts.robotoBold(PREFERRED_WIDTH * 0.20625));
valueText.setTextOrigin(VPos.CENTER);
valueText.relocate(PREFERRED_WIDTH * 0.5, PREFERRED_HEIGHT * 0.46875);
valueText.setEffect(textShadow);
Helper.enableNode(valueText, gauge.isValueVisible());
unitText = new Text(gauge.getUnit());
unitText.setFill(Color.WHITE);
unitText.setFont(Fonts.robotoBold(PREFERRED_WIDTH * 0.0875));
unitText.setTextOrigin(VPos.CENTER);
unitText.relocate(PREFERRED_WIDTH * 0.5, PREFERRED_HEIGHT * 0.65625);
unitText.setEffect(textShadow);
Helper.enableNode(unitText, !gauge.getUnit().isEmpty());
backgroundRing = new Arc(PREFERRED_WIDTH * 0.5, PREFERRED_HEIGHT * 0.5,
PREFERRED_WIDTH * 0.43125, PREFERRED_HEIGHT * 0.43125,
0, 360);
backgroundRing.setFill(null);
backgroundRing.setStroke(Color.rgb(255, 255, 255, 0.9));
backgroundRing.setStrokeLineCap(StrokeLineCap.BUTT);
backgroundRing.setStrokeWidth(PREFERRED_WIDTH * 0.1375);
backgroundRing.setEffect(shadow);
barBackground = new Arc(PREFERRED_WIDTH * 0.5, PREFERRED_HEIGHT * 0.5,
PREFERRED_WIDTH * 0.43125, PREFERRED_HEIGHT * 0.43125,
0, 360);
barBackground.setFill(null);
barBackground.setStroke(Color.rgb(255, 255, 255, 0.4));
barBackground.setStrokeLineCap(StrokeLineCap.BUTT);
barBackground.setStrokeWidth(PREFERRED_WIDTH * 0.1375);
bar = new Arc(PREFERRED_WIDTH * 0.5, PREFERRED_HEIGHT * 0.5,
PREFERRED_WIDTH * 0.43125, PREFERRED_HEIGHT * 0.43125,
90, -gauge.getAngleStep() * gauge.getValue());
bar.setFill(null);
bar.setStroke(Color.WHITE);
bar.setStrokeWidth(PREFERRED_WIDTH * 0.1375);
bar.setStrokeLineCap(StrokeLineCap.BUTT);
pane = new Pane(valueText, unitText, backgroundRing, barBackground, bar);
pane.setBackground(new Background(new BackgroundFill(gauge.getBackgroundPaint(), new CornerRadii(1024), Insets.EMPTY)));
pane.setBorder(new Border(new BorderStroke(gauge.getBorderPaint(), BorderStrokeStyle.SOLID, new CornerRadii(1024), new BorderWidths(gauge.getBorderWidth()))));
getChildren().setAll(pane);
}
@Override protected void registerListeners() {
super.registerListeners();
gauge.currentValueProperty().addListener(currentValueListener);
}
// ******************** Methods *******************************************
@Override protected void handleEvents(final String EVENT_TYPE) {
if ("RESIZE".equals(EVENT_TYPE)) {
resize();
redraw();
} else if ("REDRAW".equals(EVENT_TYPE)) {
redraw();
} else if ("RECALC".equals(EVENT_TYPE)) {
minValue = gauge.getMinValue();
range = gauge.getRange();
angleStep = ANGLE_RANGE / range;
redraw();
setBar(gauge.getCurrentValue());
} else if ("VISIBILITY".equals(EVENT_TYPE)) {
Helper.enableNode(valueText, gauge.isValueVisible());
Helper.enableNode(unitText, !gauge.getUnit().isEmpty());
}
}
private void setBar(final double VALUE) {
if (minValue > 0) {
bar.setLength((minValue - VALUE) * angleStep);
} else {
bar.setLength(-VALUE * angleStep);
}
valueText.setText(formatNumber(gauge.getLocale(), gauge.getFormatString(), gauge.getDecimals(), VALUE));
resizeValueText();
}
@Override public void dispose() {
gauge.currentValueProperty().removeListener(currentValueListener);
super.dispose();
}
// ******************** Resizing ******************************************
private void resizeValueText() {
double maxWidth = 0.5 * size;
double fontSize = 0.20625 * size;
valueText.setFont(Fonts.robotoBold(fontSize));
if (valueText.getLayoutBounds().getWidth() > maxWidth) { Helper.adjustTextSize(valueText, maxWidth, fontSize); }
valueText.relocate((size - valueText.getLayoutBounds().getWidth()) * 0.5, (size - valueText.getLayoutBounds().getHeight()) * (unitText.getText().isEmpty() ? 0.5 : 0.42));
}
private void resizeUnitText() {
double maxWidth = 0.56667 * size;
double fontSize = 0.0875 * size;
unitText.setFont(Fonts.robotoBold(fontSize));
if (unitText.getLayoutBounds().getWidth() > maxWidth) { Helper.adjustTextSize(unitText, maxWidth, fontSize); }
unitText.relocate((size - unitText.getLayoutBounds().getWidth()) * 0.5, size * 0.66);
}
@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.relocate((width - size) * 0.5, (height - size) * 0.5);
shadow.setRadius(size * 0.06);
shadow.setOffsetX(size * 0.02);
shadow.setOffsetY(size * 0.02);
textShadow.setRadius(size * 0.0125);
textShadow.setOffsetX(size * 0.00625);
textShadow.setOffsetY(size * 0.00625);
center = size * 0.5;
valueText.setFont(Fonts.robotoBold(size * 0.20625));
unitText.setFont(Fonts.robotoBold(size * 0.0875));
Arc outerRing = new Arc(size * 0.5, size * 0.5,
size * 0.43125, size * 0.43125,
0, 360);
outerRing.setFill(null);
outerRing.setStroke(Color.WHITE);
outerRing.setStrokeLineCap(StrokeLineCap.BUTT);
outerRing.setStrokeWidth(size * 0.3);
Arc innerRing = new Arc(size * 0.5, size * 0.5,
size * 0.43125, size * 0.43125,
0, 360);
innerRing.setFill(null);
innerRing.setStroke(Color.WHITE);
innerRing.setStrokeLineCap(StrokeLineCap.BUTT);
innerRing.setStrokeWidth(size * 0.1375);
Shape shape = Shape.subtract(outerRing, innerRing);
backgroundRing.setCenterX(center);
backgroundRing.setCenterY(center);
backgroundRing.setRadiusX(size * 0.43125);
backgroundRing.setRadiusY(size * 0.43125);
backgroundRing.setStrokeWidth(size * 0.1375);
backgroundRing.setClip(shape);
barBackground.setCenterX(center);
barBackground.setCenterY(center);
barBackground.setRadiusX(size * 0.43125);
barBackground.setRadiusY(size * 0.43125);
barBackground.setStrokeWidth(size * 0.1375);
bar.setCenterX(center);
bar.setCenterY(center);
bar.setRadiusX(size * 0.43125);
bar.setRadiusY(size * 0.43125);
bar.setStrokeWidth(size * 0.1375);
resizeValueText();
resizeUnitText();
}
}
@Override protected void redraw() {
pane.setBackground(new Background(new BackgroundFill(gauge.getBackgroundPaint(), new CornerRadii(1024), Insets.EMPTY)));
pane.setBorder(new Border(new BorderStroke(gauge.getBorderPaint(), BorderStrokeStyle.SOLID, new CornerRadii(1024), new BorderWidths(gauge.getBorderWidth() / PREFERRED_WIDTH * size))));
valueText.setFill(gauge.getValueColor());
unitText.setFill(gauge.getUnitColor());
unitText.setText(gauge.getUnit());
resizeUnitText();
}
}