defaultdateselectionmodel.java

这个项目是为Java平台提供一个灵活的日历组件(Ok)

        }

        /* (non-Javadoc)
         * @see net.sf.nachocalendar.model.DateSelectionModel#setValueIsAdjusting(boolean)
         */
        public void setValueIsAdjusting(boolean b) {
            // empty method
        }

        /* (non-Javadoc)
         * @see net.sf.nachocalendar.model.DateSelectionModel#getValueIsAdjusting()
         */
        public boolean getValueIsAdjusting() {
            // empty method
            return false;
        }

    }

    private static class SingleInterval implements DateSelectionModel {
        private Date from, to, lead;

        /*
         * (non-Javadoc)
         * 
         * @see net.sf.nachocalendar.model.DateSelectionModel#addSelectionInterval(java.util.Date,
         *      java.util.Date)
         */
        public void addSelectionInterval(Date from, Date to) {
            if ((from == null) || (to == null)) {
                this.from = null;
                this.to = null;
                return;
            }
            if (from.after(to)) {
                this.from = to;
                this.to = from;
            } else {
                this.from = from;
                this.to = to;
            }
            lead = to;
        }

        /*
         * (non-Javadoc)
         * 
         * @see net.sf.nachocalendar.model.DateSelectionModel#clearSelection()
         */
        public void clearSelection() {
            from = null;
            to = null;
        }

        /*
         * (non-Javadoc)
         * 
         * @see net.sf.nachocalendar.model.DateSelectionModel#isSelectedDate(java.util.Date)
         */
        public boolean isSelectedDate(Date date) {
            if ((from == null) || (to == null)) return false;
            if (date == null) return false;
            if (CalendarUtils.isSameDay(date,from) || CalendarUtils.isSameDay(date, to)) return true;
            if ((date.before(from)) || date.after(to))
                return false;
            return true;
        }

        /*
         * (non-Javadoc)
         * 
         * @see net.sf.nachocalendar.model.DateSelectionModel#isSelectionEmpty()
         */
        public boolean isSelectionEmpty() {
            return ((from == null) || (to == null));
        }

        /*
         * (non-Javadoc)
         * 
         * @see net.sf.nachocalendar.model.DateSelectionModel#removeSelectionInterval(java.util.Date,
         *      java.util.Date)
         */
        public void removeSelectionInterval(Date from, Date to) {

        }

        /*
         * (non-Javadoc)
         * 
         * @see net.sf.nachocalendar.model.DateSelectionModel#addDateSelectionListener(net.sf.nachocalendar.event.DateSelectionListener)
         */
        public void addDateSelectionListener(DateSelectionListener listener) {
        }

        /*
         * (non-Javadoc)
         * 
         * @see net.sf.nachocalendar.model.DateSelectionModel#removeDateSelectionListener(net.sf.nachocalendar.event.DateSelectionListener)
         */
        public void removeDateSelectionListener(DateSelectionListener listener) {
        }

        /**
         * @return
         */
        public int getSelectionMode() {
            return SINGLE_INTERVAL_SELECTION;
        }

        /**
         * @param selectionMode
         */
        public void setSelectionMode(int selectionMode) {

        }

        /*
         * (non-Javadoc)
         * 
         * @see net.sf.nachocalendar.model.DateSelectionModel#getLeadSelectionDate()
         */
        public Date getLeadSelectionDate() {
            return lead;
        }

        /*
         * (non-Javadoc)
         * 
         * @see net.sf.nachocalendar.model.DateSelectionModel#setLeadSelectionDate(java.util.Date)
         */
        public void setLeadSelectionDate(Date date) {
            lead = date;
        }

        /*
         * (non-Javadoc)
         * 
         * @see net.sf.nachocalendar.model.DateSelectionModel#getSelectedDate()
         */
        public Object getSelectedDate() {
            return lead;
        }

        /*
         * (non-Javadoc)
         * 
         * @see net.sf.nachocalendar.model.DateSelectionModel#getSelectedDates()
         */
        public Object[] getSelectedDates() {
            return getDates(from, to);
        }

        /*
         * (non-Javadoc)
         * 
         * @see net.sf.nachocalendar.model.DateSelectionModel#setSelectedDate(java.lang.Object)
         */
        public void setSelectedDate(Object date) {
            try {
                from = CalendarUtils.convertToDate(date);
                to = from;
            } catch (ParseException e) {
                e.printStackTrace();
            }
        }

        /*
         * (non-Javadoc)
         * 
         * @see net.sf.nachocalendar.model.DateSelectionModel#setSelectedDates(java.lang.Object[])
         */
        public void setSelectedDates(Object[] dates) {
            if ((dates == null) || (dates.length < 1)) {
                from = null;
                to = null;
                return;
            }
            try {
                from = CalendarUtils.convertToDate(dates[0]);
                to = CalendarUtils.convertToDate(dates[dates.length - 1]);
            } catch (ParseException e) {
                e.printStackTrace();
            }
        }
        
        /* (non-Javadoc)
         * @see net.sf.nachocalendar.model.DateSelectionModel#setValueIsAdjusting(boolean)
         */
        public void setValueIsAdjusting(boolean b) {
            // empty method
        }

        /* (non-Javadoc)
         * @see net.sf.nachocalendar.model.DateSelectionModel#getValueIsAdjusting()
         */
        public boolean getValueIsAdjusting() {
            // empty method
            return false;
        }
    }

    private static class MultipleInterval implements DateSelectionModel {
        private List selection;

        private Calendar calendar;

        private Date leadSelection;

        MultipleInterval() {
            selection = new ArrayList();
            calendar = new GregorianCalendar();
        }

        /*
         * (non-Javadoc)
         * 
         * @see net.sf.nachocalendar.model.DateSelectionModel#addSelectionInterval(java.util.Date,
         *      java.util.Date)
         */
        public void addSelectionInterval(Date from, Date to) {
            if ((from == null) || (to == null))
                return;
            Date d1 = null;
            Date d2 = null;
            if (from.before(to)) {
                d1 = from;
                d2 = to;
            } else {
                d1 = to;
                d2 = from;
            }

            calendar.setTime(d1);

            do {
                selection.add(calendar.getTime());
                calendar.add(Calendar.DAY_OF_YEAR, 1);
            } while ((d2.after(calendar.getTime()))
                    || (CalendarUtils.isSameDay(d2, calendar.getTime())));

            leadSelection = to;
        }

        /*
         * (non-Javadoc)
         * 
         * @see net.sf.nachocalendar.model.DateSelectionModel#clearSelection()
         */
        public void clearSelection() {
            selection.clear();
        }

        /*
         * (non-Javadoc)
         * 
         * @see net.sf.nachocalendar.model.DateSelectionModel#isSelectedDate(java.util.Date)
         */
        public boolean isSelectedDate(Date date) {
            if (selection.isEmpty())
                return false;
            if (date == null)
                return false;
            Iterator it = selection.iterator();
            while (it.hasNext()) {
                Date d = (Date) it.next();
                if (CalendarUtils.isSameDay(d, date))
                    return true;
            }
            return false;
        }

        /*
         * (non-Javadoc)
         * 
         * @see net.sf.nachocalendar.model.DateSelectionModel#isSelectionEmpty()
         */
        public boolean isSelectionEmpty() {
            return selection.isEmpty();
        }

        /*
         * (non-Javadoc)
         * 
         * @see net.sf.nachocalendar.model.DateSelectionModel#removeSelectionInterval(java.util.Date,
         *      java.util.Date)
         */
        public void removeSelectionInterval(Date from, Date to) {
            if ((from == null) || (to == null))
                return;
            if ((from == null) || (to == null))
                return;

            Object[] dates = getDates(from, to);
            
            for (int i = 0; i < dates.length; i++) {
                Iterator it = selection.iterator();
                Date d = (Date) dates[i];
                while (it.hasNext()) {
                    Date dd = (Date) it.next();
                    if (CalendarUtils.isSameDay(d, dd)) {
                        selection.remove(dd);
                        break;
                    }
                }
            }
            leadSelection = to;
        }

        /*
         * (non-Javadoc)
         * 
         * @see net.sf.nachocalendar.model.DateSelectionModel#addDateSelectionListener(net.sf.nachocalendar.event.DateSelectionListener)
         */
        public void addDateSelectionListener(DateSelectionListener listener) {
        }

        /*
         * (non-Javadoc)
         * 
         * @see net.sf.nachocalendar.model.DateSelectionModel#removeDateSelectionListener(net.sf.nachocalendar.event.DateSelectionListener)
         */
        public void removeDateSelectionListener(DateSelectionListener listener) {
        }

        /**
         * @return
         */
        public int getSelectionMode() {
            return MULTIPLE_INTERVAL_SELECTION;
        }

        /**
         * @param selectionMode
         */
        public void setSelectionMode(int selectionMode) {

        }

        /*
         * (non-Javadoc)
         * 
         * @see net.sf.nachocalendar.model.DateSelectionModel#getLeadSelectionDate()
         */
        public Date getLeadSelectionDate() {
            return leadSelection;
        }

        /*
         * (non-Javadoc)
         * 
         * @see net.sf.nachocalendar.model.DateSelectionModel#setLeadSelectionDate(java.util.Date)
         */
        public void setLeadSelectionDate(Date date) {
            leadSelection = date;
        }

        /*
         * (non-Javadoc)
         * 
         * @see net.sf.nachocalendar.model.DateSelectionModel#getSelectedDate()
         */
        public Object getSelectedDate() {
            if (selection.isEmpty())
                return null;
            return leadSelection;
        }

        /*
         * (non-Javadoc)
         * 
         * @see net.sf.nachocalendar.model.DateSelectionModel#getSelectedDates()
         */
        public Object[] getSelectedDates() {
            Collections.sort(selection);
            return selection.toArray();
        }

        /*
         * (non-Javadoc)
         * 
         * @see net.sf.nachocalendar.model.DateSelectionModel#setSelectedDate(java.lang.Object)
         */
        public void setSelectedDate(Object date) {
            selection.clear();
            if (date != null) {
                try {
                    selection.add(CalendarUtils.convertToDate(date));
                } catch (ParseException e) {
                    e.printStackTrace();
                }
            }
        }

        /*
         * (non-Javadoc)
         * 
         * @see net.sf.nachocalendar.model.DateSelectionModel#setSelectedDates(java.lang.Object[])
         */
        public void setSelectedDates(Object[] dates) {
            selection.clear();
            if ((dates == null) || (dates.length < 1))
                return;
            for (int i = 0; i < dates.length; i++) {
                try {
                    selection.add(CalendarUtils.convertToDate(dates[i]));
                } catch (ParseException e) {
                    e.printStackTrace();
                }
            }
        }
        /* (non-Javadoc)
         * @see net.sf.nachocalendar.model.DateSelectionModel#setValueIsAdjusting(boolean)
         */
        public void setValueIsAdjusting(boolean b) {
            // empty method
        }

        /* (non-Javadoc)
         * @see net.sf.nachocalendar.model.DateSelectionModel#getValueIsAdjusting()
         */
        public boolean getValueIsAdjusting() {
            // empty method
            return false;
        }
    }

}