eu.hansolo.medusa.skins.WhiteSkin Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of Medusa Show documentation
Show all versions of Medusa Show documentation
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;
/**
* 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 String formatString;
private Locale locale;
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;
formatString = new StringBuilder("%.").append(Integer.toString(gauge.getDecimals())).append("f").toString();
locale = gauge.getLocale();
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(String.format(Locale.US, "%.0f", gauge.getValue()));
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(String.format(locale, formatString, 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() {
locale = gauge.getLocale();
formatString = new StringBuilder("%.").append(Integer.toString(gauge.getDecimals())).append("f").toString();
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();
}
}