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Nathan Kinsinger
e281c983d6
Shows a relative time ("x minutes ago", "Yesterday", "x days ago", "x years ago").
- Sort the column on the commit's date and not on the string value
- Use a custom formatter connected to the cell in the XIB
- Show or hide using the contextual menu for the table header
94 lines
2.6 KiB
Objective-C
94 lines
2.6 KiB
Objective-C
//
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// GitXRelativeDateFormatter.m
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// GitX
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//
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// Created by Nathan Kinsinger on 9/1/10.
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// Copyright 2010 Nathan Kinsinger. All rights reserved.
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//
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#import "GitXRelativeDateFormatter.h"
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#define MINUTE 60
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#define HOUR (60 * MINUTE)
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#define WEEK 7
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@implementation GitXRelativeDateFormatter
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- (NSString *)stringForObjectValue:(id)date
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{
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if (![date isKindOfClass:[NSDate class]])
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return nil;
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NSDate *now = [NSDate date];
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NSInteger secondsAgo = lround([now timeIntervalSinceDate:date]);
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if (secondsAgo < 0)
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return @"In the future!";
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if (secondsAgo < MINUTE)
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return @"seconds ago";
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if (secondsAgo < (2 * MINUTE))
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return @"1 minute ago";
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if (secondsAgo < HOUR)
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return [NSString stringWithFormat:@"%d minutes ago", (secondsAgo / MINUTE)];
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if (secondsAgo < (2 * HOUR))
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return @"1 hour ago";
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// figure out # of days ago based on calender days (so yesterday is the day before today not 24 hours ago)
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NSDateFormatter *midnightFormmatter = [[NSDateFormatter alloc] init];
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[midnightFormmatter setDateFormat:@"yyyy-MM-dd"];
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NSDate *midnightOnTargetDate = [midnightFormmatter dateFromString:[midnightFormmatter stringFromDate:date]];
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NSDate *midnightToday = [midnightFormmatter dateFromString:[midnightFormmatter stringFromDate:now]];
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// use NSCalendar so it will handle things like leap years correctly
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NSDateComponents *components = [[NSCalendar currentCalendar] components:(NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit)
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fromDate:midnightOnTargetDate
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toDate:midnightToday
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options:0];
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NSInteger yearsAgo = [components year];
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NSInteger monthsAgo = [components month];
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NSInteger daysAgo = [components day];
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if (yearsAgo == 0) {
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if (monthsAgo == 0) {
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// return "hours ago" if it's still today, but "Yesterday" only if more than 6 hours ago
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// gives people a little time to get used to the idea that yesterday is over :)
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if ((daysAgo == 0) || (secondsAgo < (6 * HOUR)))
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return [NSString stringWithFormat:@"%d hours ago", (secondsAgo / HOUR)];
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if (daysAgo == 1)
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return @"Yesterday";
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if (daysAgo >= (2 * WEEK))
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return [NSString stringWithFormat:@"%d weeks ago", (daysAgo / WEEK)];
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return [NSString stringWithFormat:@"%d days ago", daysAgo];
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}
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if (monthsAgo == 1)
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return @"1 month ago";
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return [NSString stringWithFormat:@"%d months ago", monthsAgo];
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}
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if (yearsAgo == 1) {
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if (monthsAgo == 0)
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return @"1 year ago";
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if (monthsAgo == 1)
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return @"1 year 1 month ago";
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return [NSString stringWithFormat:@"1 year %d months ago", monthsAgo];
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}
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return [NSString stringWithFormat:@"%d years ago", yearsAgo];
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}
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@end
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