eu.hansolo.medusa.skins.DigitalClockSkin 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.Clock;
import eu.hansolo.medusa.Fonts;
import eu.hansolo.medusa.tools.Helper;
import javafx.geometry.Insets;
import javafx.geometry.VPos;
import javafx.scene.canvas.Canvas;
import javafx.scene.canvas.GraphicsContext;
import javafx.scene.control.Skin;
import javafx.scene.control.SkinBase;
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.text.TextAlignment;
import java.time.Instant;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Locale;
/**
* Created by hansolo on 11.08.16.
*/
public class DigitalClockSkin extends SkinBase implements Skin {
private static final double PREFERRED_WIDTH = 250;
private static final double PREFERRED_HEIGHT = 100;
private static final double MINIMUM_WIDTH = 50;
private static final double MINIMUM_HEIGHT = 20;
private static final double MAXIMUM_WIDTH = 1024;
private static final double MAXIMUM_HEIGHT = 1024;
private static final DateTimeFormatter HHMM_FORMATTER = DateTimeFormatter.ofPattern("HH:mm");
private static final DateTimeFormatter HHMMSS_FORMATTER = DateTimeFormatter.ofPattern("HH:mm:ss");
private static final DateTimeFormatter AMPM_HHMM_FORMATTER = DateTimeFormatter.ofPattern("hh:mm a");
private static final DateTimeFormatter AMPM_HHMMSS_FORMATTER = DateTimeFormatter.ofPattern("hh:mm:ss a");
private double aspectRatio = 0.4;
private double width;
private double height;
private double centerX;
private double centerY;
private DateTimeFormatter dateFormat;
private Pane pane;
private Canvas canvas;
private GraphicsContext ctx;
private Color textColor;
private Color dateColor;
private Color alarmColor;
// ******************** Constructors **************************************
public DigitalClockSkin(Clock clock) {
super(clock);
textColor = clock.getTextColor();
dateColor = clock.getDateColor();
alarmColor = clock.getAlarmColor();
dateFormat = Helper.getDateFormat(clock.getLocale());
initGraphics();
registerListeners();
}
// ******************** Initialization ************************************
private void initGraphics() {
// Set initial size
if (Double.compare(getSkinnable().getPrefWidth(), 0.0) <= 0 || Double.compare(getSkinnable().getPrefHeight(), 0.0) <= 0 ||
Double.compare(getSkinnable().getWidth(), 0.0) <= 0 || Double.compare(getSkinnable().getHeight(), 0.0) <= 0) {
if (getSkinnable().getPrefWidth() > 0 && getSkinnable().getPrefHeight() > 0) {
getSkinnable().setPrefSize(getSkinnable().getPrefWidth(), getSkinnable().getPrefHeight());
} else {
getSkinnable().setPrefSize(PREFERRED_WIDTH, PREFERRED_HEIGHT);
}
}
canvas = new Canvas(PREFERRED_WIDTH, PREFERRED_HEIGHT);
ctx = canvas.getGraphicsContext2D();
pane = new Pane(canvas);
pane.setBorder(new Border(new BorderStroke(getSkinnable().getBorderPaint(), BorderStrokeStyle.SOLID, CornerRadii.EMPTY, new BorderWidths(getSkinnable().getBorderWidth()))));
pane.setBackground(new Background(new BackgroundFill(getSkinnable().getBackgroundPaint(), CornerRadii.EMPTY, Insets.EMPTY)));
getChildren().setAll(pane);
}
private void registerListeners() {
getSkinnable().widthProperty().addListener(o -> handleEvents("RESIZE"));
getSkinnable().heightProperty().addListener(o -> handleEvents("RESIZE"));
getSkinnable().setOnUpdate(e -> handleEvents(e.eventType.name()));
if (getSkinnable().isAnimated()) {
getSkinnable().currentTimeProperty().addListener(o -> updateTime(ZonedDateTime.ofInstant(Instant.ofEpochSecond(getSkinnable().getCurrentTime()), ZoneId.of(ZoneId.systemDefault().getId()))));
} else {
getSkinnable().timeProperty().addListener(o -> updateTime(getSkinnable().getTime()));
}
}
// ******************** Methods *******************************************
@Override protected double computeMinWidth(final double HEIGHT, final double TOP, final double RIGHT, final double BOTTOM, final double LEFT) { return MINIMUM_WIDTH; }
@Override protected double computeMinHeight(final double WIDTH, final double TOP, final double RIGHT, final double BOTTOM, final double LEFT) { return MINIMUM_HEIGHT; }
@Override protected double computePrefWidth(final double HEIGHT, final double TOP, final double RIGHT, final double BOTTOM, final double LEFT) { return super.computePrefWidth(HEIGHT, TOP, RIGHT, BOTTOM, LEFT); }
@Override protected double computePrefHeight(final double WIDTH, final double TOP, final double RIGHT, final double BOTTOM, final double LEFT) { return super.computePrefHeight(WIDTH, TOP, RIGHT, BOTTOM, LEFT); }
@Override protected double computeMaxWidth(final double HEIGHT, final double TOP, final double RIGHT, final double BOTTOM, final double LEFT) { return MAXIMUM_WIDTH; }
@Override protected double computeMaxHeight(final double WIDTH, final double TOP, final double RIGHT, final double BOTTOM, final double LEFT) { return MAXIMUM_HEIGHT; }
private void handleEvents(final String EVENT_TYPE) {
if ("RESIZE".equals(EVENT_TYPE)) {
resize();
redraw();
} else if ("REDRAW".equals(EVENT_TYPE)) {
redraw();
} else if ("VISIBILITY".equals(EVENT_TYPE)) {
} else if ("SECTION".equals(EVENT_TYPE)) {
redraw();
}
}
// ******************** Canvas ********************************************
private void drawTime(final ZonedDateTime TIME) {
ctx.clearRect(0, 0, width, height);
// draw the time
if (getSkinnable().isTextVisible()) {
ctx.setFill(textColor);
ctx.setTextBaseline(VPos.CENTER);
ctx.setTextAlign(TextAlignment.CENTER);
if (Locale.US == getSkinnable().getLocale()) {
ctx.setFont(Fonts.digital(0.5 * height));
ctx.fillText(getSkinnable().isSecondsVisible() ? AMPM_HHMMSS_FORMATTER.format(TIME) : AMPM_HHMM_FORMATTER.format(TIME), centerX, getSkinnable().isDateVisible() ? height * 0.35 : centerY);
} else {
ctx.setFont(Fonts.digital(0.6 * height));
ctx.fillText(getSkinnable().isSecondsVisible() ? HHMMSS_FORMATTER.format(TIME) : HHMM_FORMATTER.format(TIME), centerX, getSkinnable().isDateVisible() ? height * 0.3 : centerY);
}
}
// draw the date
if (getSkinnable().isDateVisible()) {
ctx.setFill(dateColor);
ctx.setFont(Fonts.digital(0.34 * height));
ctx.fillText(dateFormat.format(TIME), centerX, height * 0.77);
}
// draw the alarmOn icon
if (getSkinnable().isAlarmsEnabled() && getSkinnable().getAlarms().size() > 0) { ctx.setFill(alarmColor); }
}
private void updateTime(final ZonedDateTime TIME) {
drawTime(TIME);
}
// ******************** Resizing ******************************************
private void resize() {
width = getSkinnable().getWidth() - getSkinnable().getInsets().getLeft() - getSkinnable().getInsets().getRight();
height = getSkinnable().getHeight() - getSkinnable().getInsets().getTop() - getSkinnable().getInsets().getBottom();
if (aspectRatio * width > height) {
width = 1 / (aspectRatio / height);
} else if (1 / (aspectRatio / height) > width) {
height = aspectRatio * width;
}
centerX = width * 0.5;
centerY = height * 0.5;
if (width > 0 && height > 0) {
pane.setMaxSize(width, height);
pane.relocate((getSkinnable().getWidth() - height) * 0.5, (getSkinnable().getHeight() - height) * 0.5);
canvas.setWidth(width);
canvas.setHeight(height);
}
}
private void redraw() {
pane.setBorder(new Border(new BorderStroke(getSkinnable().getBorderPaint(), BorderStrokeStyle.SOLID, CornerRadii.EMPTY, new BorderWidths(getSkinnable().getBorderWidth() / PREFERRED_WIDTH * height))));
pane.setBackground(new Background(new BackgroundFill(getSkinnable().getBackgroundPaint(), CornerRadii.EMPTY, Insets.EMPTY)));
ZonedDateTime time = getSkinnable().getTime();
textColor = getSkinnable().getTextColor();
dateColor = getSkinnable().getDateColor();
alarmColor = getSkinnable().getAlarmColor();
drawTime(time);
}
}