/*
* 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<Number> 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);
}
}
}