Java EE (Java Enterprise Edition) General Discussion

Dear all,

I have to display calendar of particular year depending upon user selection.I have got code for month view,but I need year's view.Please help me in getting that code.

Thanks and Regards,
Jasmeen

//Here I am attaching code for month's view.

import java.applet.*;
import java.awt.*;
import java.util.*;

public class Calendar1 extends Applet

//borders

static final int YTOP = 120;
static final int YHEADER = 30;
static final int NCELLX = 7;
static final int CELLSIZE = 60;
static final int MARGIN = 24;
static final int FEBRUARY = 1;


Label yearLabel = new Label("Year:");
TextField yearTextField = new TextField("1997", 5);
Label monthLabel = new Label("Month:");
Choice monthChoice = new Choice();
Button newCalButton = new Button("New Calendar");

Date dt = new Date();

Font smallArialFont = new Font("Arial", Font.PLAIN, 15);
Font largeArialFont = new Font("Arial", Font.BOLD, 30);

String days[] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};

String months[] = {"January", "February", "March", "April", "May", "June", "July", "August", "September",
"October", "November", "December"};

int DaysInMonth[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};


int userMonth;
int userYear;

public void init()

{
setBackground(Color.white);


userMonth = dt.getMonth();
userYear = dt.getYear() + 1900;
System.out.println(dt.getYear());


yearLabel.setFont(smallArialFont);
add(yearLabel);


yearTextField.setFont(smallArialFont);
yearTextField.setText(String.valueOf(userYear));
add(yearTextField);


monthLabel.setFont(smallArialFont);
add(monthLabel);


monthChoice.setFont(smallArialFont);
for (int i = 0; i < 12; i++)
monthChoice.addItem(months);
monthChoice.select(userMonth);
add(monthChoice);


newCalButton.setFont(smallArialFont);
add(newCalButton);
}

public void paint(Graphics g)

{
FontMetrics fm; /* to get font info */
int fontAscent; /* character height */
int dayPos; /* y-position of day strings */
int xSize, ySize; /* size of calendar body (cell table) */
int numRows; /* number of rows in cell table (4, 5, 6) */
int xNum, yNum; /* number position at top right of cells */
int numDays; /* number of days in month */
String dayStr; /* day of the week as a string */
int marg; /* margin of month string baseline from cell table */
String caption; /* month string at top center */


fm = g.getFontMetrics();
fontAscent = fm.getAscent();
dayPos = YTOP + (YHEADER + fontAscent) / 2;


xSize = NCELLX * CELLSIZE;


g.drawRect(0, YTOP, xSize, YHEADER);


for (int i = 0; i < NCELLX; i++)
g.drawString(days[i], (CELLSIZE-fm.stringWidth(days[i]))/2 + i*CELLSIZE,
dayPos);


numRows = NumberRowsNeeded(userYear, userMonth);


ySize = numRows * CELLSIZE;
for (int i = 0; i <= xSize; i += CELLSIZE)
g.drawLine(i, YTOP + YHEADER, i, YTOP + YHEADER + ySize);


for (int i = 0, j = YTOP + YHEADER; i <= numRows; i++, j += CELLSIZE)
g.drawLine(0, j, xSize, j);


xNum = (CalcFirstOfMonth(userYear, userMonth) + 1) * CELLSIZE - MARGIN;
yNum = YTOP + YHEADER + MARGIN + fontAscent;


numDays = DaysInMonth[userMonth] +
((IsLeapYear(userYear) && (userMonth == FEBRUARY)) ? 1 : 0);


for (int day = 1; day <= numDays; day++)
{
dayStr = String.valueOf(day);
g.drawString(dayStr, xNum - fm.stringWidth(dayStr), yNum);
xNum += CELLSIZE;

if (xNum > xSize)
{
xNum = CELLSIZE - MARGIN;
yNum += CELLSIZE;
}
}


g.setFont(largeArialFont);
fm = g.getFontMetrics();
marg = 2 * fm.getDescent();
caption = months[userMonth] + " " + String.valueOf(userYear);
g.drawString(caption, (xSize-fm.stringWidth(caption))/2, YTOP - marg);
}


public boolean action(Event e, Object o)
{
int userYearInt;
if (e.target instanceof Button)
{
if ("New Calendar".equals((String)o))
{

userMonth = monthChoice.getSelectedIndex();


userYearInt = Integer.parseInt(yearTextField.getText(), 10);
if (userYearInt > 1581)
userYear = userYearInt;


repaint();
return true;
}
}

return false;
}

int NumberRowsNeeded(int year, int month)

{
int firstDay;
int numCells;


if (year < 1582) return (-1);


if ((month < 0) || (month > 11)) return (-1);


firstDay = CalcFirstOfMonth(year, month);


if ((month == FEBRUARY) && (firstDay == 0) && !IsLeapYear(year))
return (4);


numCells = firstDay + DaysInMonth[month];


if ((month == FEBRUARY) && (IsLeapYear(year))) numCells++;


return ((numCells <= 35) ? 5 : 6);
}

int CalcFirstOfMonth(int year, int month)

{
int firstDay;
int i;


if (year < 1582) return (-1);


if ((month < 0) || (month > 11)) return (-1);


firstDay = CalcJanuaryFirst(year);


for (i = 0; i < month; i++)
firstDay += DaysInMonth[i];


if ((month > FEBRUARY) && IsLeapYear(year)) firstDay++;


return (firstDay % 7);
}

boolean IsLeapYear(int year)

{


if ((year % 100) == 0) return((year % 400) == 0);


return ((year % 4) == 0);
}

int CalcJanuaryFirst(int year)

{
if (year < 1582) return (-1);


return ((5 + (year - 1582) + CalcLeapYears(year)) % 7);
}

int CalcLeapYears(int year)

{
int leapYears;
int hundreds;
int fourHundreds;


if (year < 1582) return (-1);


leapYears = (year - 1581) / 4;


hundreds = (year - 1501) / 100;
leapYears -= hundreds;


fourHundreds = (year - 1201) / 400;
leapYears += fourHundreds;

return (leapYears);
}

}