Mega Code Archive
Calendar Page icons with Weekday, Day and Month
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/*
* Copyright (c) Ian F. Darwin, http://www.darwinsys.com/, 1996-2002.
* All rights reserved. Software written by Ian F. Darwin and others.
* $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Java, the Duke mascot, and all variants of Sun's Java "steaming coffee
* cup" logo are trademarks of Sun Microsystems. Sun's, and James Gosling's,
* pioneering role in inventing and promulgating (and standardizing) the Java
* language and environment is gratefully acknowledged.
*
* The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
* inventing predecessor languages C and C++ is also gratefully acknowledged.
*/
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.GridLayout;
import java.text.DecimalFormat;
import java.util.Calendar;
import javax.swing.Icon;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JFrame;
/**
* Display one of those standard Calendar Page icons with Weekday, Day and
* Month. Can be used as the Icon in a JButton. Can include or exclude an
* updating Clock at the top (invoke constructor with value of true to include).
* However, it should be excluded when using as an Icon, and true when using as
* a Component.
*
* @author Ian Darwin, http://www.darwinsys.com
* @version $Id: CalIcon.java,v 1.3 2003/05/29 18:06:31 ian Exp $
*/
public class CalIcon extends JComponent implements Icon {
/** The size shalle be 64x64. */
protected final int SIZE = 64;
protected final Dimension d = new Dimension(SIZE, SIZE);
/** The size of the inner white box */
protected final int RBW = 40, RBH = 40;
/** The x location of the inner box */
protected final int RBX;
/** The y location of the inner box */
protected final int RBY;
/** Our Calendar */
protected Calendar myCal;
/** True if user wants the time shown */
protected boolean showTime = true;
/** The Clock to show the time, if showTime */
protected Clock clock;
/** Font for displaying the time */
protected Font dayNumbFont;
/** FontMetrics for displaying the time */
protected FontMetrics dayNumbFM;
/** Font for displaying the time */
protected Font dayNameFont;
/** FontMetrics for displaying the time */
protected FontMetrics dayNameFM;
/** Font for displaying the time */
protected Font monNameFont;
/** FontMetrics for displaying the time */
protected FontMetrics monNameFM;
/** Construct the object with default arguments */
public CalIcon(boolean showT) {
this(Calendar.getInstance(), showT);
}
/** Construct the object with a Calendar object */
public CalIcon(Calendar c, boolean showT) {
super();
showTime = showT;
myCal = c;
setLayout(null); // we don't need another layout, ...
if (showTime) {
// System.err.println("Constructing and adding Clock");
clock = new Clock();
add(clock);
clock.setBounds(0, 2, SIZE, 10);
// clock.setBackground(Color.black);
// clock.setForeground(Color.green);
RBY = d.height - (RBH + (showTime ? 12 : 0) / 2);
} else {
RBY = 6;
}
RBX = 12; // raised box x offset
// System.err.println("RBX, RBY = " + RBX + "," + RBY);
dayNumbFont = new Font("Serif", Font.BOLD, 20);
dayNumbFM = getFontMetrics(dayNumbFont);
dayNameFont = new Font("SansSerif", Font.PLAIN, 10);
dayNameFM = getFontMetrics(dayNameFont);
monNameFont = new Font("SansSerif", Font.ITALIC, 10);
monNameFM = getFontMetrics(monNameFont);
}
/** Days of the week */
public String[] days = { "SUN", "MON", "TUE", "WED", "THU", "FRI", "SAT" };
public String[] mons = { "JAN", "FEB", "MAR", "APR", "MAY", "JUN", "JUL",
"AUG", "SEP", "OCT", "NOV", "DEC", };
/**
* Paint: draw the calendar page in the JComponent. Delegates most work to
* paintIcon().
*/
public void paint(Graphics g) {
paintIcon(this, g, 0, 0);
}
/** paintIcon: draw the calendar page. */
public void paintIcon(Component c, Graphics g, int x, int y) {
// Allow clock to get painted (voodoo magic)
if (showTime)
super.paint(g);
// Outline it.
g.setColor(Color.black);
g.draw3DRect(x, y, d.width - 2, d.height - 2, true);
// Show the date: First, a white page with a drop shadow.
g.setColor(Color.gray);
g.fillRect(x + RBX + 3, y + RBY + 3, RBW, RBH);
g.setColor(Color.white);
g.fillRect(x + RBX, y + RBY, RBW, RBH);
// g.setColor(getForeground());
g.setColor(Color.black);
String s = days[myCal.get(Calendar.DAY_OF_WEEK) - 1];
g.setFont(dayNameFont);
int w = dayNameFM.stringWidth(s);
g.drawString(s, x + RBX + ((RBW - w) / 2), y + RBY + 10);
s = Integer.toString(myCal.get(Calendar.DAY_OF_MONTH));
g.setFont(dayNumbFont);
w = dayNumbFM.stringWidth(s);
g.drawString(s, x + RBX + ((RBW - w) / 2), y + RBY + 25);
s = mons[myCal.get(Calendar.MONTH)];
g.setFont(monNameFont);
w = monNameFM.stringWidth(s);
g.drawString(s, x + RBX + ((RBW - w) / 2), y + RBY + 35);
}
public int getIconWidth() {
return SIZE;
}
public int getIconHeight() {
return SIZE;
}
public Dimension getPreferredSize() {
return d;
}
public Dimension getMinimumSize() {
return d;
}
public static void main(String[] args) {
JFrame jf = new JFrame("Calendar");
Container cp = jf.getContentPane();
cp.setLayout(new GridLayout(0, 1, 5, 5));
CalIcon c = new CalIcon(true);
cp.add(c);
JButton j = new JButton("As Icon", new CalIcon(false));
cp.add(j);
jf.pack();
jf.setVisible(true);
}
}
class Clock extends javax.swing.JComponent {
protected DecimalFormat tflz, tf;
protected boolean done = false;
public Clock() {
new Thread(new Runnable() {
public void run() {
while (!done) {
Clock.this.repaint(); // request a redraw
try {
Thread.sleep(1000);
} catch (InterruptedException e){ /* do nothing*/ }
}
}
}).start();
tf = new DecimalFormat("#0");
tflz = new DecimalFormat("00");
}
public void stop() {
done = true;
}
/* paint() - get current time and draw (centered) in Component. */
public void paint(Graphics g) {
Calendar myCal = Calendar.getInstance();
StringBuffer sb = new StringBuffer();
sb.append(tf.format(myCal.get(Calendar.HOUR)));
sb.append(':');
sb.append(tflz.format(myCal.get(Calendar.MINUTE)));
sb.append(':');
sb.append(tflz.format(myCal.get(Calendar.SECOND)));
String s = sb.toString();
FontMetrics fm = getFontMetrics(getFont());
int x = (getSize().width - fm.stringWidth(s))/2;
// System.out.println("Size is " + getSize());
g.drawString(s, x, 10);
}
public Dimension getPreferredSize() {
return new Dimension(100, 30);
}
public Dimension getMinimumSize() {
return new Dimension(50, 10);
}
}
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