Source/AILogDateFormatter.m

   1 //
   2 //  AILogDateFormatter.m
   3 //  Adium
   4 //
   5 //  Created by Evan Schoenberg on 7/30/06.
   6 //
   7
   8 #import "AILogDateFormatter.h"
   9 #import "AICalendarDate.h"
  10 #import <AIUtilities/AIApplicationAdditions.h>
  11
  12 @implementation AILogDateFormatter
  13
  14 static BOOL isOnLeopardOrBetter = NO;
  15
  16 + (void)initialize
  17 {
  18         if (self == [AILogDateFormatter class]) {
  19                 isOnLeopardOrBetter = [[NSApplication sharedApplication] isOnLeopardOrBetter];
  20         }
  21 }
  22
  23 - (NSString *)stringForObjectValue:(NSDate *)date
  24 {
  25         NSString *returnValue = nil;
  26
  27         if ([self respondsToSelector:@selector(timeStyle)] && [date isKindOfClass:[AICalendarDate class]]) {
  28                 int today = [[NSCalendarDate calendarDate] dayOfCommonEra];
  29                 int dateDay = [(AICalendarDate *)date dayOfCommonEra];
  30                 NSDateFormatterStyle timeStyle = [self timeStyle];
  31
  32                 if ((dateDay == today) || (dateDay == (today - 1))) {
  33                         NSString                        *dayString = (isOnLeopardOrBetter ?
  34                                                         ((dateDay == today) ? AILocalizedString(@"Today", "Day designation for the current day") : AILocalizedString(@"Yesterday", "Day designation for the previous day")) :
  35                                                         [[[[NSUserDefaults standardUserDefaults] stringArrayForKey:((dateDay == today) ? NSThisDayDesignations : NSPriorDayDesignations)] objectAtIndex:0] capitalizedString]);
  36
  37                         if ((timeStyle != NSDateFormatterNoStyle) &&
  38                                 ([(AICalendarDate *)date granularity] == AISecondGranularity)) {
  39                                 //Supposed to show time, and the date has sufficient granularity to show it
  40                                 NSDateFormatterStyle dateStyle = [self dateStyle];
  41                                 NSMutableString *mutableString = [dayString mutableCopy];
  42
  43                                 [self setDateStyle:NSDateFormatterNoStyle];
  44                                 [mutableString appendString:@" "];
  45                                 [mutableString appendString:[super stringForObjectValue:date]];
  46                                 [self setDateStyle:dateStyle];
  47
  48                                 returnValue = [mutableString autorelease];
  49                         }
  50
  51                 } else {
  52                         if ((timeStyle != NSDateFormatterNoStyle) &&
  53                                 ([(AICalendarDate *)date granularity] == AIDayGranularity)) {
  54                                 //Currently supposed to show time, but the date does not have that level of granularity
  55
  56                                 [self setTimeStyle:NSDateFormatterNoStyle];
  57                                 returnValue = [super stringForObjectValue:date];
  58                                 [self setTimeStyle:timeStyle];
  59                         }
  60                 }
  61         }
  62
  63         if (![returnValue length]) returnValue = [super stringForObjectValue:date];
  64         if (![returnValue length]) returnValue = [date description];
  65
  66         return returnValue;
  67 }
  68
  69 @end