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