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281 lines
9.4 KiB
JavaScript
281 lines
9.4 KiB
JavaScript
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is OEone Calendar Code, released October 31st, 2001.
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*
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* The Initial Developer of the Original Code is
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* OEone Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2001
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s): Garth Smedley <garths@oeone.com>
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* Mike Potter <mikep@oeone.com>
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* Eric Belhaire <belhaire@ief.u-psud.fr>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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// scriptable date formater, for pretty printing dates
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var nsIScriptableDateFormat = Components.interfaces.nsIScriptableDateFormat;
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var dateService = Components.classes["@mozilla.org/intl/scriptabledateformat;1"].getService(nsIScriptableDateFormat);
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var kDate_MillisecondsInSecond = 1000;
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var kDate_SecondsInMinute = 60;
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var kDate_MinutesInHour = 60;
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var kDate_HoursInDay = 24;
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var kDate_DaysInWeek = 7;
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var kDate_SecondsInHour = 3600;
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var kDate_SecondsInDay = 86400
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var kDate_SecondsInWeek = 604800
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var kDate_MinutesInDay = 1440;
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var kDate_MinutesInWeek = 10080;
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var kDate_MillisecondsInMinute = 60000;
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var kDate_MillisecondsInHour = 3600000;
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var kDate_MillisecondsInDay = 86400000;
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var kDate_MillisecondsInWeek = 604800000;
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// required includes: "chrome://global/content/strres.js" - String Bundle Code
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function DateUtils()
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{
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}
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DateUtils.getLastDayOfMonth = function( year, month )
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{
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var pastLastDate = new Date( year, month, 32 );
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var lastDayOfMonth = 32 - pastLastDate.getDate();
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return lastDayOfMonth;
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}
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DateUtils.getWeekNumber = function(date)
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{
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//ISO Week Number(01-53) for any date
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//code adapted from http://www.pvv.org/~nsaa/ISO8601.html
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///////////////////
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// Calculate some date for this Year
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///////////////////
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var Year = date.getFullYear();
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var FirstOfYear = new Date(Year,0,1) ;
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var LastOfYear = new Date(Year,11,31) ;
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var FirstDayNum = FirstOfYear.getDay() ;
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// ISO weeks start on Monday (day 1) and ends on Sunday (day 7)
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var ISOFirstDayNum = (FirstDayNum ==0)? 7 : FirstDayNum ;
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// Week 1 of any year is the week that contains the first Thursday
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// in January : true if 1 Jan = mon - thu. WeekNumber is then 1
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var IsFirstWeek = ( ( 7 - ISOFirstDayNum ) > 2 )? 1 : 0 ;
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// The first Monday after 1 Jan this Year
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var FirstMonday = 9 - ISOFirstDayNum ;
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// Number of Days from 1 Jan to date
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var msOffset = ( FirstOfYear.getTimezoneOffset() - date.getTimezoneOffset() ) * kDate_MillisecondsInMinute;
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var DaysToDate = Math.floor((date.getTime()+msOffset-FirstOfYear.getTime())/kDate_MillisecondsInDay)+1 ;
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// Number of Days in Year (either 365 or 366);
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var DaysInYear = (LastOfYear.getTime()-FirstOfYear.getTime())/kDate_MillisecondsInDay+1 ;
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// Number of Weeks in Year. Most years have 52 weeks, but years that start on
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// a Thursday and leapyears that starts on a Wednesday or a Thursday have 53 weeks
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var NumberOfWeeksThisYear =
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(ISOFirstDayNum==4 || (ISOFirstDayNum==3 && DaysInYear==366)) ? 53 : 52;
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// "***********************************";
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// " Calculate some data for last Year ";
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// "***********************************";
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var FirstOfLastYear = new Date(Year-1,0,1) ;
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var LastOfLastYear = new Date(Year-1,11,31) ;
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var FirstDayNumLast = FirstOfLastYear.getDay() ;
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// ISO weeks start on Monday (day 1) and ends on Sunday (day 7)
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var ISOFirstDayNumLast = (FirstDayNumLast ==0)? 7 : FirstDayNumLast ;
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// Number of Days in Year (either 365 or 366);
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var DaysInLastYear = (LastOfLastYear.getTime()-FirstOfLastYear.getTime())/kDate_MillisecondsInDay+1 ;
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// Number of Weeks in Year. Most years have 52 weeks, but years that start on
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// a Thursday and leapyears that starts on a Wednesday or a Thursday have 53 weeks
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var NumberOfWeeksLastYear =
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(ISOFirstDayNumLast==4 || (ISOFirstDayNumLast==3 && DaysInLastYear==366)) ? 53 : 52;
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// "****************************";
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// " Calculates the Week Number ";
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// "****************************";
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var DateDayNum = date.getDay() ;
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var ISODateDayNum = (DateDayNum ==0)? 7 : DateDayNum ;
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// Is Date in the last Week of last Year ?
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if( (DaysToDate < FirstMonday) && (IsFirstWeek == 0) )
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return(NumberOfWeeksLastYear) ;
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// "Calculate number of Complete Weeks Between D and 1.jan";
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var ComplNumWeeks = Math.floor((DaysToDate-FirstMonday)/7);
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// "Are there remaining days?";
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var RemainingDays = ( (DaysToDate+1-(FirstMonday+7*ComplNumWeeks))>0 );
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var NumWeeks = IsFirstWeek+ComplNumWeeks+1;
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if(RemainingDays)
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{
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if(NumWeeks>52 && NumWeeks>NumberOfWeeksThisYear )
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return( 1 );
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else
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return( NumWeeks );
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}
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else
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return( NumWeeks - 1 );
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}
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function DateFormater( )
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{
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// we get the date bundle in case the locale changes, can
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// we be notified of a locale change instead, then we could
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// get the bundle once.
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this.dateStringBundle = srGetStrBundle("chrome://calendar/locale/dateFormat.properties");
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}
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DateFormater.prototype.getFormatedTime = function( date )
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{
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return( dateService.FormatTime( "", dateService.timeFormatNoSeconds, date.getHours(), date.getMinutes(), 0 ) );
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}
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DateFormater.prototype.getFormatedDate = function( date )
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{
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// Format the date using a hardcoded format for now, since everything
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// that displays the date uses this function we will be able to
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// make a user settable date format and use it here.
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try
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{
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if( getIntPref(gCalendarWindow.calendarPreferences.calendarPref, "date.format", 0 ) == 0 )
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return( this.getLongFormatedDate( date ) );
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else
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return( this.getShortFormatedDate( date ) );
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}
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catch(ex)
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{
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return "";
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}
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}
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DateFormater.prototype.getLongFormatedDate = function( date )
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{
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if( (navigator.platform.indexOf("Win") == 0) || (navigator.platform.indexOf("Mac") != -1) )
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{
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return( dateService.FormatDate( "", dateService.dateFormatLong, date.getFullYear(), date.getMonth()+1, date.getDate() ) );
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}
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else
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{
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// HACK We are probably on Linux and want a string in long format.
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// dateService.dateFormatLong on Linux returns a short string, so build our own
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// this should move into Mozilla or libxpical
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var oneBasedMonthNum = date.getMonth() + 1;
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var monthString = this.dateStringBundle.GetStringFromName("month." + oneBasedMonthNum + ".Mmm" );
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var dateString = monthString + " " + date.getDate()+", "+date.getFullYear();
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return dateString;
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}
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}
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DateFormater.prototype.getShortFormatedDate = function( date )
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{
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return( dateService.FormatDate( "", dateService.dateFormatShort, date.getFullYear(), date.getMonth()+1, date.getDate() ) );
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}
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DateFormater.prototype.getFormatedDateWithoutYear = function( date )
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{
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// Format the date using a hardcoded format for now, since everything
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// that displays the date uses this function we will be able to
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// make a user settable date format and use it here.
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var oneBasedMonthNum = date.getMonth() + 1;
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var monthString = this.dateStringBundle.GetStringFromName("month." + oneBasedMonthNum + ".Mmm" );
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var dateString = monthString + " " + date.getDate();
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return dateString;
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}
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// 0-11 Month Index
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DateFormater.prototype.getMonthName = function( monthIndex )
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{
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var oneBasedMonthNum = monthIndex + 1;
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var monthName = this.dateStringBundle.GetStringFromName("month." + oneBasedMonthNum + ".name" );
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return monthName;
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}
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// 0-11 Month Index
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DateFormater.prototype.getShortMonthName = function( monthIndex )
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{
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var oneBasedMonthNum = monthIndex + 1;
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var monthName = this.dateStringBundle.GetStringFromName("month." + oneBasedMonthNum + ".Mmm" );
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return monthName;
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}
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// 0-6 Day index ( starts at Sun )
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DateFormater.prototype.getDayName = function( dayIndex )
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{
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var oneBasedDayNum = dayIndex + 1;
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var dayName = this.dateStringBundle.GetStringFromName("day." + oneBasedDayNum + ".name" );
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return dayName;
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}
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// 0-6 Day index ( starts at Sun )
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DateFormater.prototype.getShortDayName = function( dayIndex )
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{
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var oneBasedDayNum = dayIndex + 1;
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var dayName = this.dateStringBundle.GetStringFromName("day." + oneBasedDayNum + ".Mmm" );
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return dayName;
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}
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