Example usage for org.joda.time YearMonthDay minusMonths

Introduction

In this page you can find the example usage for org.joda.time YearMonthDay minusMonths.

Prototype

public YearMonthDay minusMonths(int months) 

Source Link

Document

Returns a copy of this date minus the specified number of months.

Usage

From source file:net.sourceforge.fenixedu.presentationTier.TagLib.GanttDiagramTagLib.java

License:Open Source License

private void insertNextAndBeforeLinks(StringBuilder builder) throws JspException {

    YearMonthDay firstDay = getGanttDiagramObject().getFirstInstant().toYearMonthDay();
    if (firstDay != null) {

        String nextUrl = "";
        String beforeUrl = "";

        switch (getViewTypeEnum()) {

        case WEEKLY:

            if (!StringUtils.isEmpty(getWeeklyViewUrl())) {
                nextUrl = getRequest().getContextPath() + getWeeklyViewUrl() + "&" + getFirstDayParameter()
                        + "=" + firstDay.plusDays(Lesson.NUMBER_OF_DAYS_IN_WEEK).toString("ddMMyyyy");
                beforeUrl = getRequest().getContextPath() + getWeeklyViewUrl() + "&"
                        + getFirstDayParameter() + "="
                        + firstDay.minusDays(Lesson.NUMBER_OF_DAYS_IN_WEEK).toString("ddMMyyyy");
                builder.append(//from w w w.j a va  2  s.c  o  m
                        "<tr><td class=\"tcalendarlinks\"></td><td colspan=\"7\" class=\"acenter tcalendarlinks\"> <span class=\"smalltxt\"><a href=\"")
                        .append(beforeUrl).append("\">").append("&lt;&lt; ")
                        .append(getMessage("label.previous.week")).append("</a>");
                builder.append(" , ").append("<a href=\"").append(nextUrl).append("\">")
                        .append(getMessage("label.next.week")).append(" &gt;&gt;").append("</a>")
                        .append("</span></td><td class=\"tcalendarlinks\"></td><td class=\"tcalendarlinks\"></td></tr>");
            }
            break;

        case DAILY:

            if (!StringUtils.isEmpty(getDailyViewUrl())) {
                nextUrl = getRequest().getContextPath() + getDailyViewUrl() + "&amp;" + getFirstDayParameter()
                        + "=" + firstDay.plusDays(1).toString("ddMMyyyy");
                beforeUrl = getRequest().getContextPath() + getDailyViewUrl() + "&amp;" + getFirstDayParameter()
                        + "=" + firstDay.minusDays(1).toString("ddMMyyyy");
                builder.append(
                        "<tr><td class=\"tcalendarlinks\"></td><td class=\"acenter tcalendarlinks\"><span class=\"smalltxt\"><a href=\"")
                        .append(beforeUrl).append("\">").append("&lt;&lt; ")
                        .append(getMessage("label.previous.day")).append("</a>");
                builder.append(" , ").append("<a href=\"").append(nextUrl).append("\">")
                        .append(getMessage("label.next.day")).append(" &gt;&gt;").append("</a>")
                        .append("</span></td><td class=\"tcalendarlinks\"></td><td class=\"tcalendarlinks\"></td></tr>");
            }
            break;

        case MONTHLY:

            if (!StringUtils.isEmpty(getMonthlyViewUrl())) {
                DateTime month = firstDay.toDateTimeAtMidnight();
                DateTime firstDayOfMonth = (month.getDayOfMonth() != 1) ? month.withDayOfMonth(1) : month;
                DateTime lastDayOfMonth = firstDayOfMonth.plusMonths(1).minusDays(1);
                int monthNumberOfDays = Days.daysBetween(firstDayOfMonth, lastDayOfMonth).getDays() + 1;
                nextUrl = getRequest().getContextPath() + getMonthlyViewUrl() + "&amp;" + getFirstDayParameter()
                        + "=" + firstDay.plusMonths(1).toString("ddMMyyyy");
                beforeUrl = getRequest().getContextPath() + getMonthlyViewUrl() + "&amp;"
                        + getFirstDayParameter() + "=" + firstDay.minusMonths(1).toString("ddMMyyyy");
                builder.append("<tr><td class=\"tcalendarlinks\"></td><td colspan=\"").append(monthNumberOfDays)
                        .append("\" class=\"acenter tcalendarlinks\"><span class=\"smalltxt\"><a href=\"")
                        .append(beforeUrl).append("\">").append("&lt;&lt; ")
                        .append(getMessage("label.previous.month")).append("</a>");
                builder.append(" , ").append("<a href=\"").append(nextUrl).append("\">")
                        .append(getMessage("label.next.month")).append(" &gt;&gt;").append("</a>")
                        .append("</span></td><td class=\"tcalendarlinks\"></td><td class=\"tcalendarlinks\"></td></tr>");
            }
            break;

        case YEAR_DAILY:

            if (!StringUtils.isEmpty(getMonthlyViewUrl())) {
                DateTime month = firstDay.toDateTimeAtMidnight();
                DateTime firstDayOfMonth = (month.getDayOfMonth() != 1) ? month.withDayOfMonth(1) : month;
                DateTime lastDayOfMonth = firstDayOfMonth.plusMonths(1).minusDays(1);
                int monthNumberOfDays = Days.daysBetween(firstDayOfMonth, lastDayOfMonth).getDays() + 1;
                nextUrl = getRequest().getContextPath() + getMonthlyViewUrl() + "&amp;" + getFirstDayParameter()
                        + "=" + firstDay.plusMonths(1).toString("ddMMyyyy");
                beforeUrl = getRequest().getContextPath() + getMonthlyViewUrl() + "&amp;"
                        + getFirstDayParameter() + "=" + firstDay.minusMonths(1).toString("ddMMyyyy");
                builder.append("<tr><td class=\"tcalendarlinks\"></td><td colspan=\"").append(monthNumberOfDays)
                        .append("\" class=\"acenter tcalendarlinks\"><span class=\"smalltxt\"><a href=\"")
                        .append(beforeUrl).append("\">").append("&lt;&lt; ")
                        .append(getMessage("label.previous.month")).append("</a>");
                builder.append(" , ").append("<a href=\"").append(nextUrl).append("\">")
                        .append(getMessage("label.next.month")).append(" &gt;&gt;").append("</a>")
                        .append("</span></td><td class=\"tcalendarlinks\"></td><td class=\"tcalendarlinks\"></td></tr>");
            }
            break;

        default:
            break;
        }
    }
}

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