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package com.toedter.calendar;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Font;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;
import javax.swing.BorderFactory;
import javax.swing.JFrame;
import javax.swing.JPanel;
/**
* JCalendar is a bean for entering a date by choosing the year, month and day.
*
* @author Kai Toedter
* @version $LastChangedRevision: 95 $
* @version $LastChangedDate: 2006-05-05 18:43:15 +0200 (Fr, 05 Mai 2006) $
*/
public class JCalendar extends JPanel implements PropertyChangeListener {
private static final long serialVersionUID = 8913369762644440133L;
private Calendar calendar;
/** the day chooser */
protected JDayChooser dayChooser;
private boolean initialized = false;
/** indicates if weeks of year shall be visible */
protected boolean weekOfYearVisible = true;
/** the locale */
protected Locale locale;
/** the month chooser */
protected JMonthChooser monthChooser;
private JPanel monthYearPanel;
/** the year chhoser */
protected JYearChooser yearChooser;
protected Date minSelectableDate;
protected Date maxSelectableDate;
/**
* Default JCalendar constructor.
*/
public JCalendar() {
this(null, null, true, true);
}
/**
* JCalendar constructor which allows the initial date to be set.
*
* @param date
* the date
*/
public JCalendar(Date date) {
this(date, null, true, true);
}
/**
* JCalendar constructor which allows the initial calendar to be set.
*
* @param calendar
* the calendar
*/
public JCalendar(Calendar calendar) {
this(null, null, true, true);
setCalendar(calendar);
}
/**
* JCalendar constructor allowing the initial locale to be set.
*
* @param locale
* the new locale
*/
public JCalendar(Locale locale) {
this(null, locale, true, true);
}
/**
* JCalendar constructor specifying both the initial date and locale.
*
* @param date
* the date
* @param locale
* the new locale
*/
public JCalendar(Date date, Locale locale) {
this(date, locale, true, true);
}
/**
* JCalendar constructor specifying both the initial date and the month
* spinner type.
*
* @param date
* the date
* @param monthSpinner
* false, if no month spinner should be used
*/
public JCalendar(Date date, boolean monthSpinner) {
this(date, null, monthSpinner, true);
}
/**
* JCalendar constructor specifying both the locale and the month spinner.
*
* @param locale
* the locale
* @param monthSpinner
* false, if no month spinner should be used
*/
public JCalendar(Locale locale, boolean monthSpinner) {
this(null, locale, monthSpinner, true);
}
/**
* JCalendar constructor specifying the month spinner type.
*
* @param monthSpinner
* false, if no month spinner should be used
*/
public JCalendar(boolean monthSpinner) {
this(null, null, monthSpinner, true);
}
/**
* JCalendar constructor with month spinner parameter.
*
* @param date
* the date
* @param locale
* the locale
* @param monthSpinner
* false, if no month spinner should be used
* @param weekOfYearVisible
* true, if weeks of year shall be visible
*/
public JCalendar(Date date, Locale locale, boolean monthSpinner, boolean weekOfYearVisible) {
setName("JCalendar");
// needed for setFont() etc.
dayChooser = null;
monthChooser = null;
yearChooser = null;
this.weekOfYearVisible = weekOfYearVisible;
this.locale = locale;
if (locale == null) {
this.locale = Locale.getDefault();
}
calendar = Calendar.getInstance();
setLayout(new BorderLayout());
monthYearPanel = new JPanel();
monthYearPanel.setLayout(new BorderLayout());
monthChooser = new JMonthChooser(monthSpinner);
yearChooser = new JYearChooser();
monthChooser.setYearChooser(yearChooser);
monthYearPanel.add(monthChooser, BorderLayout.WEST);
monthYearPanel.add(yearChooser, BorderLayout.CENTER);
monthYearPanel.setBorder(BorderFactory.createEmptyBorder());
dayChooser = new JDayChooser(weekOfYearVisible);
dayChooser.addPropertyChangeListener(this);
monthChooser.setDayChooser(dayChooser);
monthChooser.addPropertyChangeListener(this);
yearChooser.setDayChooser(dayChooser);
yearChooser.addPropertyChangeListener(this);
add(monthYearPanel, BorderLayout.NORTH);
add(dayChooser, BorderLayout.CENTER);
// Set the initialized flag before setting the calendar. This will
// cause the other components to be updated properly.
if (date != null) {
calendar.setTime(date);
}
initialized = true;
setCalendar(calendar);
}
/**
* Creates a JFrame with a JCalendar inside and can be used for testing.
*
* @param s
* The command line arguments
*/
public static void main(String[] s) {
JFrame frame = new JFrame("JCalendar");
JCalendar jcalendar = new JCalendar();
frame.getContentPane().add(jcalendar);
frame.pack();
frame.setVisible(true);
}
/**
* Returns the calendar property.
*
* @return the value of the calendar property.
*/
public Calendar getCalendar() {
return calendar;
}
/**
* Gets the dayChooser attribute of the JCalendar object
*
* @return the dayChooser value
*/
public JDayChooser getDayChooser() {
return dayChooser;
}
/**
* Returns the locale.
*
* @return the value of the locale property.
*
* @see #setLocale
*/
public Locale getLocale() {
return locale;
}
/**
* Gets the monthChooser attribute of the JCalendar object
*
* @return the monthChooser value
*/
public JMonthChooser getMonthChooser() {
return monthChooser;
}
/**
* Gets the yearChooser attribute of the JCalendar object
*
* @return the yearChooser value
*/
public JYearChooser getYearChooser() {
return yearChooser;
}
/**
* Indicates if the weeks of year are visible..
*
* @return boolean true, if weeks of year are visible
*/
public boolean isWeekOfYearVisible() {
return dayChooser.isWeekOfYearVisible();
}
/**
* JCalendar is a PropertyChangeListener, for its day, month and year
* chooser.
*
* @param evt
* the property change event
*/
public void propertyChange(PropertyChangeEvent evt) {
if (calendar != null) {
Calendar c = (Calendar) calendar.clone();
if (evt.getPropertyName().equals("day")) {
c.set(Calendar.DAY_OF_MONTH, ((Integer) evt.getNewValue()).intValue());
setCalendar(c, false);
} else if (evt.getPropertyName().equals("month")) {
c.set(Calendar.MONTH, ((Integer) evt.getNewValue()).intValue());
setCalendar(c, false);
} else if (evt.getPropertyName().equals("year")) {
c.set(Calendar.YEAR, ((Integer) evt.getNewValue()).intValue());
setCalendar(c, false);
} else if (evt.getPropertyName().equals("date")) {
c.setTime((Date) evt.getNewValue());
setCalendar(c, true);
}
}
}
/**
* Sets the background color.
*
* @param bg
* the new background
*/
public void setBackground(Color bg) {
super.setBackground(bg);
if (dayChooser != null) {
dayChooser.setBackground(bg);
}
}
/**
* Sets the calendar property. This is a bound property.
*
* @param c
* the new calendar
* @throws NullPointerException -
* if c is null;
* @see #getCalendar
*/
public void setCalendar(Calendar c) {
setCalendar(c, true);
}
/**
* Sets the calendar attribute of the JCalendar object
*
* @param c
* the new calendar value
* @param update
* the new calendar value
* @throws NullPointerException -
* if c is null;
*/
private void setCalendar(Calendar c, boolean update) {
if (c == null) {
setDate(null);
}
Calendar oldCalendar = calendar;
calendar = c;
if (update) {
// Thanks to Jeff Ulmer for correcting a bug in the sequence :)
yearChooser.setYear(c.get(Calendar.YEAR));
monthChooser.setMonth(c.get(Calendar.MONTH));
dayChooser.setDay(c.get(Calendar.DATE));
}
firePropertyChange("calendar", oldCalendar, calendar);
}
/**
* Enable or disable the JCalendar.
*
* @param enabled
* the new enabled value
*/
public void setEnabled(boolean enabled) {
super.setEnabled(enabled);
if (dayChooser != null) {
dayChooser.setEnabled(enabled);
monthChooser.setEnabled(enabled);
yearChooser.setEnabled(enabled);
}
}
/**
* Returns true, if enabled.
*
* @return true, if enabled.
*/
public boolean isEnabled() {
return super.isEnabled();
}
/**
* Sets the font property.
*
* @param font
* the new font
*/
public void setFont(Font font) {
super.setFont(font);
if (dayChooser != null) {
dayChooser.setFont(font);
monthChooser.setFont(font);
yearChooser.setFont(font);
}
}
/**
* Sets the foreground color.
*
* @param fg
* the new foreground
*/
public void setForeground(Color fg) {
super.setForeground(fg);
if (dayChooser != null) {
dayChooser.setForeground(fg);
monthChooser.setForeground(fg);
yearChooser.setForeground(fg);
}
}
/**
* Sets the locale property. This is a bound property.
*
* @param l
* the new locale value
*
* @see #getLocale
*/
public void setLocale(Locale l) {
if (!initialized) {
super.setLocale(l);
} else {
Locale oldLocale = locale;
locale = l;
dayChooser.setLocale(locale);
monthChooser.setLocale(locale);
firePropertyChange("locale", oldLocale, locale);
}
}
/**
* Sets the week of year visible.
*
* @param weekOfYearVisible
* true, if weeks of year shall be visible
*/
public void setWeekOfYearVisible(boolean weekOfYearVisible) {
dayChooser.setWeekOfYearVisible(weekOfYearVisible);
setLocale(locale); // hack for doing complete new layout :)
}
/**
* Gets the visibility of the decoration background.
*
* @return true, if the decoration background is visible.
*/
public boolean isDecorationBackgroundVisible() {
return dayChooser.isDecorationBackgroundVisible();
}
/**
* Sets the decoration background visible.
*
* @param decorationBackgroundVisible
* true, if the decoration background should be visible.
*/
public void setDecorationBackgroundVisible(boolean decorationBackgroundVisible) {
dayChooser.setDecorationBackgroundVisible(decorationBackgroundVisible);
setLocale(locale); // hack for doing complete new layout :)
}
/**
* Gets the visibility of the decoration border.
*
* @return true, if the decoration border is visible.
*/
public boolean isDecorationBordersVisible() {
return dayChooser.isDecorationBordersVisible();
}
/**
* Sets the decoration borders visible.
*
* @param decorationBordersVisible
* true, if the decoration borders should be visible.
*/
public void setDecorationBordersVisible(boolean decorationBordersVisible) {
dayChooser.setDecorationBordersVisible(decorationBordersVisible);
setLocale(locale); // hack for doing complete new layout :)
}
/**
* Returns the color of the decoration (day names and weeks).
*
* @return the color of the decoration (day names and weeks).
*/
public Color getDecorationBackgroundColor() {
return dayChooser.getDecorationBackgroundColor();
}
/**
* Sets the background of days and weeks of year buttons.
*
* @param decorationBackgroundColor
* the background color
*/
public void setDecorationBackgroundColor(Color decorationBackgroundColor) {
dayChooser.setDecorationBackgroundColor(decorationBackgroundColor);
}
/**
* Returns the Sunday foreground.
*
* @return Color the Sunday foreground.
*/
public Color getSundayForeground() {
return dayChooser.getSundayForeground();
}
/**
* Returns the weekday foreground.
*
* @return Color the weekday foreground.
*/
public Color getWeekdayForeground() {
return dayChooser.getWeekdayForeground();
}
/**
* Sets the Sunday foreground.
*
* @param sundayForeground
* the sundayForeground to set
*/
public void setSundayForeground(Color sundayForeground) {
dayChooser.setSundayForeground(sundayForeground);
}
/**
* Sets the weekday foreground.
*
* @param weekdayForeground
* the weekdayForeground to set
*/
public void setWeekdayForeground(Color weekdayForeground) {
dayChooser.setWeekdayForeground(weekdayForeground);
}
/**
* Returns a Date object.
*
* @return a date object constructed from the calendar property.
*/
public Date getDate() {
return new Date(calendar.getTimeInMillis());
}
/**
* Sets the date. Fires the property change "date".
*
* @param date
* the new date.
* @throws NullPointerException -
* if tha date is null
*/
public void setDate(Date date) {
Date oldDate = calendar.getTime();
calendar.setTime(date);
int year = calendar.get(Calendar.YEAR);
int month = calendar.get(Calendar.MONTH);
int day = calendar.get(Calendar.DAY_OF_MONTH);
yearChooser.setYear(year);
monthChooser.setMonth(month);
dayChooser.setCalendar(calendar);
dayChooser.setDay(day);
firePropertyChange("date", oldDate, date);
}
/**
* Sets a valid date range for selectable dates. If max is before
* min, the default range with no limitation is set.
*
* @param min
* the minimum selectable date or null (then the minimum date is
* set to 01\01\0001)
* @param max
* the maximum selectable date or null (then the maximum date is
* set to 01\01\9999)
*/
public void setSelectableDateRange(Date min, Date max) {
dayChooser.setSelectableDateRange(min, max);
};
/**
* Gets the minimum selectable date.
*
* @return the minimum selectable date
*/
public Date getMaxSelectableDate() {
return dayChooser.getMaxSelectableDate();
}
/**
* Gets the maximum selectable date.
*
* @return the maximum selectable date
*/
public Date getMinSelectableDate() {
return dayChooser.getMinSelectableDate();
}
/**
* Sets the maximum selectable date.
*
* @param max maximum selectable date
*/
public void setMaxSelectableDate(Date max) {
dayChooser.setMaxSelectableDate(max);
}
/**
* Sets the minimum selectable date.
*
* @param min minimum selectable date
*/
public void setMinSelectableDate(Date min) {
dayChooser.setMinSelectableDate(min);
}
/**
* Gets the maximum number of characters of a day name or 0. If 0 is
* returned, dateFormatSymbols.getShortWeekdays() will be used.
*
* @return the maximum number of characters of a day name or 0.
*/
public int getMaxDayCharacters() {
return dayChooser.getMaxDayCharacters();
}
/**
* Sets the maximum number of characters per day in the day bar. Valid
* values are 0-4. If set to 0, dateFormatSymbols.getShortWeekdays() will be
* used, otherwise theses strings will be reduced to the maximum number of
* characters.
*
* @param maxDayCharacters
* the maximum number of characters of a day name.
*/
public void setMaxDayCharacters(int maxDayCharacters) {
dayChooser.setMaxDayCharacters(maxDayCharacters);
}
} |
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