eu.hansolo.medusa.skins.ChargeSkin 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.Gauge;
import javafx.application.Platform;
import javafx.beans.InvalidationListener;
import javafx.beans.value.ChangeListener;
import javafx.geometry.Bounds;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
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.HBox;
import javafx.scene.layout.Region;
import javafx.scene.paint.Color;
import javafx.scene.paint.CycleMethod;
import javafx.scene.paint.LinearGradient;
import javafx.scene.paint.Paint;
import javafx.scene.paint.Stop;
/**
* Created by hansolo on 08.07.16.
*/
public class ChargeSkin extends GaugeSkinBase {
private enum BarColor {
GRAY(Color.rgb(243, 243, 243), Color.rgb(143, 143, 143)),
RED(Color.rgb(243, 0, 6), Color.rgb(143, 0, 9)),
ORANGE(Color.rgb(253, 148, 21), Color.rgb(253, 97, 8)),
GREEN(Color.rgb(110, 190, 5), Color.rgb(50, 177, 7));
public final Color COLOR_FROM;
public final Color COLOR_TO;
BarColor(final Color COLOR_FROM, final Color COLOR_TO) {
this.COLOR_FROM = COLOR_FROM;
this.COLOR_TO = COLOR_TO;
}
}
protected static final double PREFERRED_WIDTH = 306;
protected static final double PREFERRED_HEIGHT = 66;
protected static final double MINIMUM_WIDTH = 153;
protected static final double MINIMUM_HEIGHT = 33;
protected static final double MAXIMUM_WIDTH = 918;
protected static final double MAXIMUM_HEIGHT = 198;
private static double aspectRatio = PREFERRED_HEIGHT / PREFERRED_WIDTH;
private Region[] bars;
private Background[] barBackgrounds;
private Border barBorder;
private double width;
private double height;
private HBox pane;
private Paint backgroundPaint;
private Paint borderPaint;
private double borderWidth;
private InvalidationListener currentValueListener;
private ChangeListener paneWidthListener;
// ******************** Constructors **************************************
public ChargeSkin(Gauge gauge) {
super(gauge);
backgroundPaint = Color.TRANSPARENT;
borderPaint = Color.TRANSPARENT;
borderWidth = 0;
bars = new Region[12];
barBackgrounds = new Background[24];
currentValueListener = o -> handleEvents("VALUE");
paneWidthListener = (o, ov, nv) -> { if (ov.intValue() == 0 && nv.intValue() > 0) Platform.runLater(() -> resize()); };
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);
}
}
for (int i = 0 ; i < 12 ; i++) {
Region bar = new Region();
bar.setPrefSize(20, 20 + (i * 4));
bars[i] = bar;
}
pane = new HBox(bars);
pane.setSpacing(PREFERRED_WIDTH * 0.01960784);
pane.setAlignment(Pos.BOTTOM_CENTER);
pane.setFillHeight(false);
pane.setBackground(new Background(new BackgroundFill(backgroundPaint, new CornerRadii(1024), Insets.EMPTY)));
pane.setBorder(new Border(new BorderStroke(borderPaint, BorderStrokeStyle.SOLID, new CornerRadii(1024), new BorderWidths(borderWidth))));
getChildren().setAll(pane);
}
@Override protected void registerListeners() {
super.registerListeners();
gauge.currentValueProperty().addListener(currentValueListener);
pane.widthProperty().addListener(paneWidthListener);
}
// ******************** Methods *******************************************
@Override public void layoutChildren(double x, double y, double w, double h) {
super.layoutChildren(x, y, w, h);
if(Double.compare(bars[0].getLayoutBounds().getWidth(), 0) == 0) resize();
}
@Override protected void handleEvents(final String EVENT_TYPE) {
super.handleEvents(EVENT_TYPE);
if ("VALUE".equals(EVENT_TYPE)) {
redraw();
}
}
@Override public void dispose() {
gauge.currentValueProperty().removeListener(currentValueListener);
pane.widthProperty().removeListener(paneWidthListener);
super.dispose();
}
// ******************** Resizing ******************************************
@Override protected void resize() {
width = gauge.getWidth() - gauge.getInsets().getLeft() - gauge.getInsets().getRight();
height = gauge.getHeight() - gauge.getInsets().getTop() - gauge.getInsets().getBottom();
if (aspectRatio * width > height) {
width = 1 / (aspectRatio / height);
} else if (1 / (aspectRatio / height) > width) {
height = aspectRatio * width;
}
if (width > 0 && height > 0) {
pane.setMaxSize(width, height);
pane.setPrefSize(width, height);
pane.relocate((gauge.getWidth() - width) * 0.5, (gauge.getHeight() - height) * 0.5);
pane.setSpacing(width * 0.01960784);
double barWidth = 0;
for (int i = 0 ; i < 12 ; i++) {
bars[i].setPrefSize(0.3030303 * height, (0.3030303 * height + i * 0.06060606 * height));
Bounds bounds = bars[i].getLayoutBounds();
barWidth = bounds.getWidth();
if (barWidth == 0) return;
BarColor barColor;
if (i < 2) {
barColor = BarColor.RED;
} else if (i < 9) {
barColor = BarColor.ORANGE;
} else {
barColor = BarColor.GREEN;
}
barBackgrounds[i] = new Background(new BackgroundFill[] {
new BackgroundFill(Color.WHITE, new CornerRadii(1024), Insets.EMPTY),
new BackgroundFill(new LinearGradient(0, bounds.getMinY(), 0, bounds.getMaxY(), false, CycleMethod.NO_CYCLE, new Stop(0.0, barColor.COLOR_FROM), new Stop(1.0, barColor.COLOR_TO)), new CornerRadii(1024), new Insets(0.15 * barWidth))
});
barBackgrounds[i + 12] = new Background(new BackgroundFill[] {
new BackgroundFill(Color.WHITE, new CornerRadii(1024), Insets.EMPTY),
new BackgroundFill(new LinearGradient(0, bounds.getMinY(), 0, bounds.getMaxY(), false, CycleMethod.NO_CYCLE, new Stop(0.0, BarColor.GRAY.COLOR_FROM), new Stop(1.0, BarColor.GRAY.COLOR_TO)), new CornerRadii(1024), new Insets(0.15 * barWidth))
});
}
barBorder = new Border(new BorderStroke(Color.rgb(102, 102, 102), BorderStrokeStyle.SOLID, new CornerRadii(1024), new BorderWidths(0.05 * barWidth)));
}
redraw();
}
@Override protected void redraw() {
int chargedBars = (int) (gauge.getCurrentValue() * 13);
for (int i = 0 ; i < 12 ; i++) {
bars[i].setBackground(i < chargedBars ? barBackgrounds[i] : barBackgrounds[i + 12]);
bars[i].setBorder(barBorder);
}
}
}