sogo/SoObjects/SOGo/NSObject+AptComparison.m
Wolfgang Sourdeau 9d33c75a28 Monotone-Parent: 73df13fd7742a193f9bf1842a6f410e95c3c2e91
Monotone-Revision: 9327fed453d6acee03f0449816dbb2b401353927

Monotone-Author: wsourdeau@inverse.ca
Monotone-Date: 2006-10-11T18:51:30
Monotone-Branch: ca.inverse.sogo
2006-10-11 18:51:30 +00:00

76 lines
2 KiB
Objective-C

/*
Copyright (C) 2004 SKYRIX Software AG
This file is part of OpenGroupware.org.
OGo is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.
OGo is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public
License along with OGo; see the file COPYING. If not, write to the
Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA.
*/
// $Id: NSObject+AptComparison.m 620 2005-03-02 19:57:10Z znek $
#include "NSObject+AptComparison.h"
#include <NGExtensions/NGCalendarDateRange.h>
#include "common.h"
@implementation NSObject (SOGoAptComparison)
- (NSComparisonResult) compareAptsAscending: (id) _other
{
NSCalendarDate *sd, *ed;
NGCalendarDateRange *r1, *r2;
NSComparisonResult result;
NSTimeInterval t1, t2;
sd = [self valueForKey: @"startDate"];
ed = [self valueForKey: @"endDate"];
if (sd && ed)
r1 = [NGCalendarDateRange calendarDateRangeWithStartDate: sd
endDate: ed];
else
r1 = nil;
sd = [_other valueForKey: @"startDate"];
ed = [_other valueForKey: @"endDate"];
if (sd && ed)
r2 = [NGCalendarDateRange calendarDateRangeWithStartDate: sd
endDate: ed];
else
r2 = nil;
if (r1)
if (r2)
{
result = [r1 compare: r2];
if (result != NSOrderedSame)
return result;
t1 = [r1 duration];
t2 = [r2 duration];
if (t1 == t2)
return NSOrderedSame;
if (t1 > t2)
return NSOrderedDescending;
}
else
return NSOrderedDescending;
else
if (!r2)
return NSOrderedSame;
return NSOrderedAscending;
}
@end