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521 lines
20 KiB
JavaScript
521 lines
20 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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// Number of full days corrected by the TimezoneOffset in order to adapt to
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// Daylight Saving Time changes.
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DateUtils.getDifferenceInDays = function(StartDate, EndDate)
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{
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var msOffset = ( StartDate.getTimezoneOffset() - EndDate.getTimezoneOffset() ) * kDate_MillisecondsInMinute ;
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return( (EndDate.getTime() + msOffset - StartDate.getTime() ) / kDate_MillisecondsInDay) ;
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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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// probe the dateformat
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this.yearIndex = -1;
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this.monthIndex = -1;
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this.dayIndex = -1;
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this.twoDigitYear = false;
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this.alphaMonths = null;
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this.probeSucceeded = false;
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var parseShortDateRegex = /^\s*(\d+)\D(\d+)\D(\d+)\s*$/; //digits & nonDigits
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var probeDate = new Date(2002,3-1,4); // month is 0-based
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var probeString = this.getShortFormatedDate(probeDate);
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var probeArray = parseShortDateRegex.exec(probeString);
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if (probeArray != null) {
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// Numeric month format
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for (var i = 1; i <= 3; i++) {
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switch (Number(probeArray[i])) {
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case 02: this.twoDigitYear = true; // fall thru
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case 2002: this.yearIndex = i; break;
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case 3: this.monthIndex = i; break;
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case 4: this.dayIndex = i; break;
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}
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}
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//All three indexes are set (not -1) at this point.
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this.probeSucceeded = true;
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} else {
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// Alphabetic month format, such as "dd MMM yy" or "MMMM dd, yyyy"
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// (\d+|[^\d\W]) is digits or letters, not both together.
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// Allows 31dec1999 (no delimiters between parts) if OS does (windows does not).
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// Allows Dec 31, 1999 (comma and space between parts)
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parseShortDateRegex = /^\s*(\d+|[^\d\W]+)\W{0,2}(\d+|[^\d\W]+)\W{0,2}(\d+|[^\d\W]+)\s*$/;
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probeArray = parseShortDateRegex.exec(probeString);
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if (probeArray != null) {
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for (var i = 1; i <= 3; i++) {
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switch (Number(probeArray[i])) {
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case 02: this.twoDigitYear = true; // fall thru
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case 2002: this.yearIndex = i; break;
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case 4: this.dayIndex = i; break;
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default: this.monthIndex = i; break;
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}
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}
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if (this.yearIndex != -1 && this.dayIndex != -1 && this.monthIndex != -1) {
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this.probeSucceeded = true;
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// Fill this.alphaMonths with month names.
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this.alphaMonths = new Array(12);
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for (var m = 0; m < 12; m++) {
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probeDate.setMonth(m);
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probeString = this.getShortFormatedDate(probeDate);
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probeArray = parseShortDateRegex.exec(probeString);
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if (probeArray != null)
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this.alphaMonths[m] = probeArray[this.monthIndex].toUpperCase();
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else
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this.probeSucceeded = false;
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}
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}
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}
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if (! this.probeSucceeded)
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dump("\nOperating system short date format is not recognized: "+probeString+"\n");
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}
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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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/**** parseShortDate
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* Parameter dateString may be a date or a date time. Dates are
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* read according to locale/OS setting (d-m-y or m-d-y or ...).
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* (see constructor). See parseTimeOfDay for times.
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*/
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DateFormater.prototype.parseShortDate = function ( dateString )
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{
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if (!this.probeSucceeded)
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return null; // avoid errors accessing uninitialized data.
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var year = Number.MIN_VALUE; var month = -1; var day = -1; var timeString = null;
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if (this.alphaMonths == null) {
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// NUMERIC DATE
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var parseShortDateRegex = /^\s*(\d+)\D(\d+)\D(\d+)(.*)?$/;//digits & nonDigits
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var dateNumbersArray = parseShortDateRegex.exec(dateString);
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if (dateNumbersArray != null) {
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year = Number(dateNumbersArray[this.yearIndex]);
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month = Number(dateNumbersArray[this.monthIndex]) - 1; // 0-based
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day = Number(dateNumbersArray[this.dayIndex]);
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timeString = dateNumbersArray[4];
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}
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} else {
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// DATE WITH ALPHABETIC MONTH
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var parseShortDateRegex = /^\s*(\d+|[^\d\W]+)\W{0,2}(\d+|[^\d\W]+)\W{0,2}(\d+|[^\d\W]+)(.*)?$/;//digits & nonDigits
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var datePartsArray = parseShortDateRegex.exec(dateString);
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if (datePartsArray != null) {
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year = Number(datePartsArray[this.yearIndex]);
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var monthString = datePartsArray[this.monthIndex].toUpperCase();
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for (var m = 0; m < this.alphaMonths.length; m++) {
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if (monthString == this.alphaMonths[m]) {
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month = m;
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break;
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}
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}
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day = Number(datePartsArray[this.dayIndex]);
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timeString = datePartsArray[4];
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}
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}
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if (year != Number.MIN_VALUE && month != -1 && day != -1) {
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// year, month, day successfully parsed
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if (this.twoDigitYear && 0 <= year && year < 100) {
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// If 2-digit year format and 0 <= year < 100,
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// parse year as up to 30 years in future or 69 years in past.
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// (Covers 30-year mortgage and most working people's birthdate.)
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// otherwise will be treated as four digit year.
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var currentYear = new Date().getFullYear();
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var currentCentury = currentYear - currentYear % 100;
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year = currentCentury + year;
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if (year < currentYear - 69)
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year += 100;
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if (year > currentYear + 30)
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year -= 100;
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}
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// if time is also present, parse it
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var hours = 0; var minutes = 0; var seconds = 0;
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if (timeString != null) {
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var time = this.parseTimeOfDay(dateNumbersArray[4]);
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if (time != null) {
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hours = time.getHours();
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minutes = time.getMinutes();
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seconds = time.getSeconds();
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}
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}
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return new Date(year, month, day, hours, minutes, seconds, 0);
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} else {
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return null; // did not match regex, not a valid date
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}
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}
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// Parse a variety of time formats so that cut and paste is likely to work.
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// separator: ':' '.' ' ' symbol none
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// "12:34:56" "12.34.56" "12 34 56" "12h34m56s" "123456"
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// seconds optional: "02:34" "02.34" "02 34" "02h34m" "0234"
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// minutes optional: "12" "12" "12" "12h" "12"
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// 1st hr digit optional:"9:34" " 9.34" "9 34" "9H34M" "934am"
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// am/pm optional "02:34 a.m.""02.34pm" "02 34 AM" "02H34M P.M." "0234pm"
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// skip nondigit prefix " 12:34" "t12.34" " 12 34" "T12H34M" "T0234"
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// Todo: 4x fails if x is localized version of "am" or pm"
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DateFormater.prototype.parseTimeOfDay = function( timeString )
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{
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var parseTimeRegex =
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/^\D*(\d?\d)(\D)?(?:(\d\d)(\D)?(?:(\d\d)(\D)?)?)?([AaPp][.]?[Mm][.]?)?\s*$/;
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var timePartsArray = parseTimeRegex.exec(timeString);
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if (timePartsArray != null) {
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var hoursString = timePartsArray[1]
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var hours = Number(hoursString);
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var hoursSuffix = timePartsArray[2];
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if (!(0 <= hours && hours < 24)) return null;
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var minutesString = timePartsArray[3];
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var minutes = (minutesString == null? 0 : Number(minutesString));
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var minutesSuffix = timePartsArray[4];
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if (!(0 <= minutes && minutes < 60)) return null;
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var secondsString = timePartsArray[5];
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var seconds = (secondsString == null? 0 : Number(secondsString));
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var secondsSuffix = timePartsArray[6];
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if (!(0 <= seconds && seconds < 60)) return null;
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var ampmString = timePartsArray[7];
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if (ampmString != null) {
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if (!(1 <= hours && hours <= 12)) return null;
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if (ampmString.toLowerCase().charAt(0) == 'a') /* a.m. */ {
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if (hours == 12)
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hours = 0;
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} else /* p.m. */ {
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if (hours < 12)
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hours += 12;
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}
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}
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return new Date(0, 0, 0, hours, minutes, seconds, 0);
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} else return null; // did not match regex, not valid time
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}
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/** Formats start/end dates and times, omitting end if same as start,
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omitting time if allDay, omitting end date if same day.
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Calls getFormatedDate and getFormatedTime, so user preference will be used.
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startDateTime: beginning of time interval.
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endDateTime: exclusive end of timeInterval.
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If isAllDay for one day, endDateTime is midnight next day, so displayed
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end date will be one day earlier.
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Examples (with user date format yyyy-MM-dd, time format HH:mm)
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1999-12-31 00:00, 2000-01-01 00:00, true --> "1999-12-31"
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1999-12-31 00:00, 2000-01-02 00:00, true --> "1999-12-31--2001-01-01"
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1999-12-31 20:00, 1999-12-31 20:00, false --> "1999-12-31 20:00"
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1999-12-31 20:00, 1999-12-31 22:00, false --> "1999-12-31 20:00--22:00"
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1999-12-31 00:00, 2000-01-01 00:00, false --> "1999-12-31 00:00 -- 2001-01-01 00:00"
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**/
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DateFormater.prototype.formatInterval = function( startDateTime, endDateTime, isAllDay ) {
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if (isAllDay) {
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endDateTime = new Date(endDateTime); // don't modify parameter
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endDateTime.setDate(endDateTime.getDate() - 1);
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}
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|
var sameDay = (startDateTime.getFullYear() == endDateTime.getFullYear() &&
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startDateTime.getMonth() == endDateTime.getMonth() &&
|
|
startDateTime.getDay() == endDateTime.getDay());
|
|
var sameTime = (startDateTime.getHours() == endDateTime.getHours() &&
|
|
startDateTime.getMinutes() == endDateTime.getMinutes());
|
|
return (isAllDay
|
|
? (sameDay
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|
// just one day
|
|
? this.getFormatedDate(startDateTime)
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|
// range of days
|
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: this.makeRange(this.getFormatedDate(startDateTime),
|
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this.getFormatedDate(endDateTime)))
|
|
: (sameDay
|
|
? (sameTime
|
|
// just one date time
|
|
? (this.getFormatedDate(startDateTime) +
|
|
" "+ this.getFormatedTime(startDateTime))
|
|
// range of times on same day
|
|
: (this.getFormatedDate(startDateTime)+
|
|
" " + this.makeRange(this.getFormatedTime(startDateTime),
|
|
this.getFormatedTime(endDateTime))))
|
|
// range across different days
|
|
: this.makeRange(this.getFormatedDate(startDateTime) +
|
|
" "+ this.getFormatedTime(startDateTime),
|
|
this.getFormatedDate(endDateTime) +
|
|
" "+ this.getFormatedTime(endDateTime))));
|
|
}
|
|
|
|
/** PRIVATE makeRange takes two strings and concatenates them with
|
|
"--" in the middle if they have no spaces, or " -- " if they do.
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|
|
|
Range dash should look different from hyphen used in dates like 1999-12-31.
|
|
Western typeset text uses an –. (Far eastern text uses no spaces.)
|
|
Plain text convention is to use - for hyphen and minus, -- for ndash,
|
|
and --- for mdash. For now use -- so works with plain text email.
|
|
Add spaces around it only if fromDateTime or toDateTime includes space,
|
|
e.g., "1999-12-31--2000-01-01", "1999-12-31 23:55 -- 2000.01.01 00:05".
|
|
**/
|
|
DateFormater.prototype.makeRange = function makeRange(fromString, toString) {
|
|
if (fromString.indexOf(" ") == -1 && toString.indexOf(" ") == -1)
|
|
return fromString + "--" + toString;
|
|
else
|
|
return fromString + " -- "+ toString;
|
|
}
|