| /******************************************************************************* |
| * Copyright (c) 2004, 2008 Tasktop Technologies and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Tasktop Technologies - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.mylyn.internal.tasks.core; |
| |
| import java.util.ArrayList; |
| import java.util.Calendar; |
| import java.util.List; |
| |
| /** |
| * @author Rob Elves |
| */ |
| public class WeekDateRange extends DateRange { |
| |
| private static final String DESCRIPTION_WEEK_AFTER_NEXT = "Two Weeks"; |
| |
| private static final String DESCRIPTION_PREVIOUS_WEEK = "Previous Week"; |
| |
| private static final String DESCRIPTION_THIS_WEEK = "This Week"; |
| |
| private static final String DESCRIPTION_NEXT_WEEK = "Next Week"; |
| |
| private final List<DayDateRange> days = new ArrayList<DayDateRange>(); |
| |
| public WeekDateRange(Calendar startDate, Calendar endDate) { |
| super(startDate, endDate); |
| } |
| |
| public List<DateRange> getRemainingDays() { |
| List<DateRange> remainingDays = new ArrayList<DateRange>(); |
| for (DateRange dayDateRange : getDaysOfWeek()) { |
| if (!dayDateRange.isPast()) { |
| remainingDays.add(dayDateRange); |
| } |
| } |
| return remainingDays; |
| } |
| |
| public List<DayDateRange> getDaysOfWeek() { |
| if (days.isEmpty()) { |
| for (int x = TaskActivityUtil.getStartDay(); x < (TaskActivityUtil.getStartDay() + 7); x++) { |
| Calendar dayStart = TaskActivityUtil.getCalendar(); |
| dayStart.setTime(getStartDate().getTime()); |
| TaskActivityUtil.snapStartOfDay(dayStart); |
| |
| Calendar dayEnd = TaskActivityUtil.getCalendar(); |
| dayEnd.setTime(getStartDate().getTime()); |
| TaskActivityUtil.snapEndOfDay(dayEnd); |
| |
| if (x > 7) { |
| dayStart.set(Calendar.DAY_OF_WEEK, x % 7); |
| dayEnd.set(Calendar.DAY_OF_WEEK, x % 7); |
| } else { |
| dayStart.set(Calendar.DAY_OF_WEEK, x); |
| dayEnd.set(Calendar.DAY_OF_WEEK, x); |
| } |
| |
| days.add(new DayDateRange(dayStart, dayEnd)); |
| } |
| } |
| return days; |
| } |
| |
| /** |
| * @return today's DayDateRange, null if does not exist (now > endDate) |
| */ |
| public DayDateRange getToday() { |
| DayDateRange today = null; |
| Calendar now = TaskActivityUtil.getCalendar(); |
| for (DayDateRange range : getDaysOfWeek()) { |
| if (range.includes(now)) { |
| today = range; |
| break; |
| } |
| } |
| if (today == null) { |
| Calendar todayStart = TaskActivityUtil.getCalendar(); |
| TaskActivityUtil.snapStartOfDay(todayStart); |
| Calendar todayEnd = TaskActivityUtil.getCalendar(); |
| TaskActivityUtil.snapEndOfDay(todayEnd); |
| today = new DayDateRange(todayStart, todayEnd); |
| } |
| return today; |
| } |
| |
| public boolean isCurrentWeekDay(DateRange range) { |
| if (range == null) { |
| return false; |
| } |
| return getDaysOfWeek().contains(range); |
| } |
| |
| private boolean isNextWeek() { |
| return TaskActivityUtil.getNextWeek().compareTo(this) == 0; |
| } |
| |
| public boolean isThisWeek() { |
| //if (isWeek()) { |
| return this.includes(Calendar.getInstance()); |
| //} |
| //return false; |
| } |
| |
| private boolean isPreviousWeek() { |
| Calendar cal = Calendar.getInstance(); |
| cal.add(Calendar.WEEK_OF_YEAR, -1); |
| return this.includes(cal); |
| } |
| |
| private boolean isWeekAfterNext() { |
| return TaskActivityUtil.getNextWeek().next().compareTo(this) == 0; |
| } |
| |
| public WeekDateRange next() { |
| return create(Calendar.WEEK_OF_YEAR, 1); |
| } |
| |
| public WeekDateRange previous() { |
| return create(Calendar.WEEK_OF_YEAR, -1); |
| } |
| |
| protected WeekDateRange create(int field, int multiplier) { |
| Calendar previousStart = (Calendar) getStartDate().clone(); |
| Calendar previousEnd = (Calendar) getEndDate().clone(); |
| previousStart.add(field, 1 * multiplier); |
| previousEnd.add(field, 1 * multiplier); |
| return new WeekDateRange(previousStart, previousEnd); |
| } |
| |
| @Override |
| public String toString(boolean useDayOfWeekForNextWeek) { |
| if (isWeekAfterNext()) { |
| return DESCRIPTION_WEEK_AFTER_NEXT; |
| } else if (isThisWeek()) { |
| return DESCRIPTION_THIS_WEEK; |
| } else if (isNextWeek()) { |
| return DESCRIPTION_NEXT_WEEK; |
| } else if (isPreviousWeek()) { |
| return DESCRIPTION_PREVIOUS_WEEK; |
| } |
| return super.toString(useDayOfWeekForNextWeek); |
| } |
| |
| public DateRange getDayOfWeek(int dayNum) { |
| if (dayNum > 0 && dayNum <= 7) { |
| for (DateRange day : getDaysOfWeek()) { |
| if (day.getStartDate().get(Calendar.DAY_OF_WEEK) == dayNum) { |
| return day; |
| } |
| } |
| } |
| throw new IllegalArgumentException("Valid day values are 1 - 7"); |
| } |
| |
| public static boolean isWeekRange(Calendar calStart, Calendar calEnd) { |
| // bug 248683 |
| long diff = (calEnd.getTimeInMillis() - calStart.getTimeInMillis()) - (DAY * 7 - 1); |
| return Math.abs(diff) <= 60 * 60 * 1000; |
| } |
| } |