/*
* Copyright 2000-2013 JetBrains s.r.o.
*
* 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 com.intellij.openapi.wm.impl.status;
import com.intellij.util.concurrency.EdtExecutorService;
import javax.swing.*;
import java.awt.*;
import java.awt.geom.AffineTransform;
import java.awt.geom.Line2D;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
import static java.awt.RenderingHints.KEY_ANTIALIASING;
import static java.util.Calendar.*;
public class ClockPanel extends JComponent {
private static final int TOP = 1 << 0 | 1 << 2 | 1 << 3 | 1 << 5 | 1 << 6 | 1 << 7 | 1 << 8 | 1 << 9;
private static final int TOP_LEFT = 1 << 0 | 1 << 4 | 1 << 5 | 1 << 6 | 1 << 8 | 1 << 9;
private static final int TOP_RIGHT = 1 << 0 | 1 << 1 | 1 << 2 | 1 << 3 | 1 << 4 | 1 << 7 | 1 << 8 | 1 << 9;
private static final int MIDDLE = 1 << 2 | 1 << 3 | 1 << 4 | 1 << 5 | 1 << 6 | 1 << 8 | 1 << 9;
private static final int BOTTOM_LEFT = 1 << 0 | 1 << 2 | 1 << 6 | 1 << 8;
private static final int BOTTOM_RIGHT = 1 << 0 | 1 << 1 | 1 << 3 | 1 << 4 | 1 << 5 | 1 << 6 | 1 << 7 | 1 << 8 | 1 << 9;
private static final int BOTTOM = 1 << 0 | 1 << 2 | 1 << 3 | 1 << 5 | 1 << 6 | 1 << 8 | 1 << 9;
// top
// ---
// top-left | | top-right
// | |
// middle ---
// bottom-left | | bottom-right
// | |
// ---
// bottom
protected final Calendar myCalendar;
private final boolean is24Hours;
private ScheduledFuture<?> myScheduledFuture;
private final Runnable myRepaintRunnable = () -> this.repaint();
public ClockPanel() {
myCalendar = getInstance();
is24Hours = new SimpleDateFormat().toLocalizedPattern().contains("H");
}
private void scheduleNextRepaint() {
if (myScheduledFuture != null && !myScheduledFuture.isDone()) {
myScheduledFuture.cancel(false);
}
myCalendar.setTimeInMillis(System.currentTimeMillis());
myScheduledFuture = EdtExecutorService.getScheduledExecutorInstance().schedule(myRepaintRunnable, 60 - myCalendar.get(SECOND), TimeUnit.SECONDS);
}
@Override
public Dimension getPreferredSize() {
int height;
Container parent = getParent();
if (isVisible() && parent != null) {
height = parent.getSize().height - parent.getInsets().top - parent.getInsets().bottom;
}
else {
height = super.getPreferredSize().height;
}
return new Dimension((int)(height * 2.5), height);
}
@Override
public Dimension getMaximumSize() {
return getPreferredSize();
}
@Override
public void paint(Graphics graphics) {
Graphics2D g = (Graphics2D)graphics.create();
try {
g.setRenderingHint(KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);
int h = (int)(getHeight() *.8);
int w = h / 2;
float thickness = h * .1F;
AffineTransform transform = g.getTransform();
if (transform == null) {
transform = new AffineTransform(1, 0, -thickness / h, 1, thickness * 3, thickness / 4);
}
else {
transform.concatenate(new AffineTransform(1, 0, -thickness / h, 1, thickness * 3, thickness / 4));
}
g.setTransform(transform);
g.setStroke(new BasicStroke(thickness, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
g.setColor(UIManager.getColor("Label.foreground"));
myCalendar.setTimeInMillis(System.currentTimeMillis());
int hours = myCalendar.get(is24Hours ? HOUR_OF_DAY : HOUR);
if (hours == 0 && !is24Hours) {
hours = 12;
}
int minutes = myCalendar.get(MINUTE);
int x = 0;
int y = (getHeight() - h) / 2;
boolean eveningDot = !is24Hours && myCalendar.get(HOUR_OF_DAY) > 11;
if (eveningDot) {
g.setStroke(new BasicStroke(thickness * 2, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
g.draw(new Line2D.Float(x + thickness, y + thickness, x + thickness, y + thickness + thickness / 20));
}
g.setStroke(new BasicStroke(thickness, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
if (hours >= 10) paintDigit(g, x, y, w, h, thickness, hours / 10);
x += w + thickness * 2;
paintDigit(g, x, y, w, h, thickness, hours % 10);
x += w + thickness * 2;
g.draw(new Line2D.Float(x, y + h / 2 - thickness * 2, x, y + h / 2 - thickness * 2 + thickness / 20));
g.draw(new Line2D.Float(x, y + h / 2 + thickness * 2, x, y + h / 2 + thickness * 2 + thickness / 20));
x += thickness * 2;
paintDigit(g, x, y, w, h, thickness, minutes / 10);
x += w + thickness * 2;
paintDigit(g, x, y, w, h, thickness, minutes % 10);
scheduleNextRepaint();
}
finally {
g.dispose();
}
}
private static void paintDigit(Graphics2D g, int x, int y, int width, int height, float t, int digit) {
digit = 1 << digit;
int h2 = height / 2;
float t54 = t * 5 / 4;
float t34 = t * 3 / 4;
float t2 = t / 2;
if ((digit & TOP) != 0) g.draw(new Line2D.Float(x + t54, y + t2, x + width - t54, y + t2));
if ((digit & TOP_LEFT) != 0) g.draw(new Line2D.Float(x + t2, y + t54, x + t2, y + h2 - t34));
if ((digit & TOP_RIGHT) != 0) g.draw(new Line2D.Float(x + width - t2, y + t54, x + width - t2, y + h2 - t34));
if ((digit & MIDDLE) != 0) g.draw(new Line2D.Float(x + t54, y + h2, x + width - t54, y + h2));
if ((digit & BOTTOM_LEFT) != 0) g.draw(new Line2D.Float(x + t2, y + h2 + t34, x + t2, y + height - t54));
if ((digit & BOTTOM_RIGHT) != 0) g.draw(new Line2D.Float(x + width - t2, y + h2 + t34, x + width - t2, y + height - t54));
if ((digit & BOTTOM) != 0) g.draw(new Line2D.Float(x + t54, y + height - t2, x + width - t54, y + height - t2));
}
}