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| import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class GUI extends JPanel {
/**
*
*/
private static final long serialVersionUID = 6411499808530678723L;
/** The buttons to be displayed */
protected JButton labs[][];
private Date date=new Date();
String[] months = { "January", "February", "March", "April", "May", "June",
"July", "August", "September", "October", "November", "December" };
public int dom[] = { 31, 28, 31, 30, /* jan feb mar apr */
31, 30, 31, 31, /* may jun jul aug */
30, 31, 30, 31 /* sep oct nov dec */
};
/** The month choice */
private JComboBox<String> monthChoice;
/** The year choice */
private JComboBox<String> yearChoice;
GUI(){
super();
buildGUI();
recompute();
}
protected void recompute() {
// TODO Auto-generated method stub
// Blank out all
for (int i = 0; i < 6; i++)
for (int j = 0; j < 7; j++)
labs[i][j].setText("");
int daysInMonth = dom[date.getMonth()];
if (isLeap(date.getYear()) && date.getMonth() == 1)
daysInMonth++;
// Blank out the labels before 1st day of month
for (int i = 0; i < date.firstDayOfTheMonth(); i++) {
labs[0][i].setText("");
}
// Fill in numbers for the day of month.
for (int i = 1; i <= daysInMonth; i++) {
JButton b = labs[(date.firstDayOfTheMonth() + i - 2) / 7][(date.firstDayOfTheMonth() + i - 2) % 7];
b.setText(Integer.toString(i));
}
repaint();
}
private boolean isLeap(int year) {
// TODO Auto-generated method stub
if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0)
return true;
return false;
}
private void buildGUI() {
getAccessibleContext().setAccessibleDescription(
"Calendar not accessible yet. Sorry!");
setBorder(BorderFactory.createEtchedBorder());
setLayout(new BorderLayout());
JPanel tp = new JPanel();
tp.add(monthChoice = new JComboBox<String>());
for (int i = 0; i < months.length; i++)
monthChoice.addItem(months[i]);
monthChoice.setSelectedItem(months[date.getMonth()]);
monthChoice.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae) {
int i = monthChoice.getSelectedIndex();
if (i >= 0) {
date.setMonth(i);
recompute();
}
}
});
monthChoice.getAccessibleContext().setAccessibleName("Months");
monthChoice.getAccessibleContext().setAccessibleDescription(
"Choose a month of the year");
tp.add(yearChoice = new JComboBox<String>());
yearChoice.setEditable(true);
for (int i = date.getYear() - 5; i < date.getYear() + 5; i++)
yearChoice.addItem(Integer.toString(i));
yearChoice.setSelectedItem(Integer.toString(date.getYear()));
yearChoice.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae) {
int i = yearChoice.getSelectedIndex();
if (i >= 0) {
date.setYear(Integer.parseInt(yearChoice.getSelectedItem().toString()));
recompute();
}
}
});
add(BorderLayout.CENTER, tp);
JPanel bp = new JPanel();
bp.setLayout(new GridLayout(7, 7));
labs = new JButton[6][7]; // first row is days
bp.add(new JButton("Sunday"));
bp.add(new JButton("Monday"));
bp.add(new JButton("Tuesday"));
bp.add(new JButton("Wednsday"));
bp.add(new JButton("Thersday"));
bp.add(new JButton("Friday"));
bp.add(new JButton("Saturday"));
ActionListener dateSetter = new ActionListener() {
public void actionPerformed(ActionEvent e) {
String num = e.getActionCommand();
if (!num.equals("")) {
// set the current day highlighted
setDayActive(Integer.parseInt(num));
// When this becomes a Bean, you can
// fire some kind of DateChanged event here.
// Also, build a similar daySetter for day-of-week btns.
}
}
};
// Construct all the buttons, and add them.
for (int i = 0; i < 6; i++)
for (int j = 0; j < 7; j++) {
bp.add(labs[i][j] = new JButton(""));
labs[i][j].addActionListener(dateSetter);
}
add(BorderLayout.SOUTH, bp);
}
protected void setDayActive(int parseInt) {
// TODO Auto-generated method stub
}
public static void main(String[] argv)
{
JFrame f = new JFrame("Mon Calendrier");
Container c = f.getContentPane();
c.setLayout(new FlowLayout());
c.add(new GUI());
f.pack();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setVisible(true);
}
} |
