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| Original file line number | Diff line number | Diff line change |
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| // | ||
| // AirbrakeDateView.h | ||
| // Airpad | ||
| // | ||
| // Created by Conrad Irwin on 19/11/2011. | ||
| // Copyright (c) 2011 Rapportive. All rights reserved. | ||
| // | ||
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| #import <UIKit/UIKit.h> | ||
| #import <QuartzCore/QuartzCore.h> | ||
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| @interface AirbrakeDateView : UIView | ||
| @property (nonatomic, strong) NSDate *startDate; | ||
| @property (nonatomic, strong) NSDate *endDate; | ||
| @property (nonatomic, assign) NSInteger count; | ||
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| @end |
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| Original file line number | Diff line number | Diff line change |
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| // | ||
| // AirbrakeDateView.m | ||
| // Airpad | ||
| // | ||
| // Created by Conrad Irwin on 19/11/2011. | ||
| // Copyright (c) 2011 Rapportive. All rights reserved. | ||
| // | ||
|
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| #import "AirbrakeDateView.h" | ||
| #import "NSDate+DateISOParser.h" | ||
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| #define DAYS_TO_SHOW 35 | ||
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| @implementation AirbrakeDateView | ||
| @synthesize startDate; | ||
| @synthesize endDate; | ||
| @synthesize count; | ||
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| - (id)initWithFrame:(CGRect)frame | ||
| { | ||
| self = [super initWithFrame:frame]; | ||
| if (self) { | ||
| // Initialization code | ||
| } | ||
| return self; | ||
| } | ||
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| - (bool) isWeekend:(NSDate*)date | ||
| { | ||
| NSCalendar *cal = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar]; | ||
| NSDateComponents *day = [cal components:NSWeekdayCalendarUnit fromDate: date]; | ||
| return ([day weekday] == 1 || [day weekday] == 7); | ||
| } | ||
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| - (UIFont*)font | ||
| { | ||
| return [UIFont systemFontOfSize:12]; | ||
| } | ||
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| - (NSString*) formatDate:(NSDate*)date | ||
| { | ||
| NSDateFormatter *fmt = [[NSDateFormatter alloc] init]; | ||
| [fmt setDateFormat: @"d MMM HH:mm"]; | ||
| return[fmt stringFromDate:date]; | ||
| } | ||
| - (NSString*) getYear:(NSDate*) date | ||
| { | ||
| NSDateFormatter *fmt = [[NSDateFormatter alloc] init]; | ||
| [fmt setDateFormat: @"Y"]; | ||
| return [fmt stringFromDate:date]; | ||
| } | ||
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| - (CGFloat) dayOffset | ||
| { | ||
| NSCalendar *cal = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar]; | ||
| NSDateComponents *day = [cal components:NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit fromDate: [NSDate date]]; | ||
| return (((day.hour * 60.0) + day.minute) * 60.0 + day.second) / 86400.0; | ||
| } | ||
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| - (NSDate*) startOfLine | ||
| { | ||
| return [NSDate dateWithTimeInterval: 0 - (DAYS_TO_SHOW * 86400.0) sinceDate:[NSDate date]]; | ||
| } | ||
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| - (bool) date:(NSDate*)date isSameTime:(NSDate*)other | ||
| { | ||
| return [[self formatDate:date] isEqualToString: [self formatDate: other]]; | ||
| } | ||
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| - (bool) date:(NSDate*)date isSameDate:(NSDate*)other | ||
| { | ||
| NSDateFormatter *fmt = [[NSDateFormatter alloc] init]; | ||
| [fmt setDateFormat: @"d mmm Y"]; | ||
| return [[fmt stringFromDate:date] isEqualToString: [fmt stringFromDate:other]]; | ||
| } | ||
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| - (NSString*) countFormatted | ||
| { | ||
| if (self.count == 1) { | ||
| return @"(once only)"; | ||
| } else if (self.count == 2) { | ||
| return @"(twice only)"; | ||
| } else { | ||
| return [NSString stringWithFormat:@"(%i times)", count]; | ||
| } | ||
| } | ||
|
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| // Only override drawRect: if you perform custom drawing. | ||
| // An empty implementation adversely affects performance during animation. | ||
| - (void)drawRect:(CGRect)rect | ||
| { | ||
| [super drawRect:rect]; | ||
| CGContextRef con = UIGraphicsGetCurrentContext(); | ||
| NSDate* startOfLine = [self startOfLine]; | ||
| CGFloat mid = [self frame].size.height * 2.5 / 4.0; | ||
| CGFloat prehistoryDistance = 16.0; | ||
| CGFloat padding = 85.0; // Enough space for a dashWidth and date to appear on the right-hand-side of the line. | ||
| CGFloat day = ([self frame].size.width - 2.0 * padding - prehistoryDistance) / (DAYS_TO_SHOW); | ||
| CGFloat offset = padding + prehistoryDistance + day * (1.0 - [self dayOffset]); | ||
| CGFloat dashTop = [self frame].size.height / 4.0; | ||
| CGFloat dashWidth = day / 3.0; | ||
| CGFloat weekBottom = [self frame].size.height * 6.0 / 8.0; | ||
| CGFloat weekendBottom = [self frame].size.height; | ||
| CGFloat bottom; | ||
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| // Draw: the horizontal line | ||
| CGContextMoveToPoint(con, padding + prehistoryDistance, mid); | ||
| CGContextAddLineToPoint(con, [self frame].size.width - padding, mid); | ||
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| // Draw: the per-day ticks | ||
| for(NSInteger i = 0; i < DAYS_TO_SHOW; i++) { | ||
| NSDate *date = [NSDate dateWithTimeInterval: ((i + 1) * 86400.0) sinceDate:startOfLine]; | ||
| if ([self isWeekend: date]) { | ||
| bottom = weekendBottom; | ||
| } else { | ||
| bottom = weekBottom; | ||
| } | ||
| CGContextMoveToPoint(con, i * day + offset, mid); | ||
| CGContextAddLineToPoint(con, i * day + offset, bottom); | ||
| } | ||
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| CGContextSetLineWidth(con, 0.5); | ||
| CGContextStrokePath(con); | ||
|
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| // Draw: the dotted prehistory line at the front | ||
| CGContextMoveToPoint(con, padding, mid); | ||
| CGContextAddLineToPoint(con, padding + prehistoryDistance, mid); | ||
| CGFloat dashes[] = {2.0, 2.0}; | ||
| CGContextSetLineDash(con, 0.0, dashes, 2); | ||
| CGContextSetLineWidth(con, 0.5); | ||
| CGContextStrokePath(con); | ||
| CGContextSetLineDash(con, 0.0, NULL, 0); | ||
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| if (!startDate || !endDate) { | ||
| return; | ||
| } | ||
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| // Draw: The upwards dash for start, with label | ||
| CGFloat startDistance = MAX(padding, padding + prehistoryDistance + day * ([startDate timeIntervalSinceDate:startOfLine] / 86400.0)); | ||
| NSString* startFormatted = [self formatDate: startDate]; | ||
| CGSize startSize = [startFormatted sizeWithFont:[self font]]; | ||
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| CGContextMoveToPoint(con, startDistance, mid); | ||
| CGContextAddLineToPoint(con, startDistance, dashTop); | ||
| CGContextAddLineToPoint(con, startDistance - dashWidth, dashTop); | ||
| [startFormatted drawInRect:CGRectMake(startDistance - dashWidth - startSize.width - 5.0, 0.0, startSize.width, startSize.height) withFont:[self font]]; | ||
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| if (startDistance <= padding + prehistoryDistance) { | ||
| NSString *year = [self getYear: endDate]; | ||
| CGSize yearSize = [year sizeWithFont:[self font]]; | ||
| [year drawInRect: CGRectMake(startDistance - dashWidth - 5.0 - (startSize.width + yearSize.width) / 2.0, startSize.height, yearSize.width, yearSize.height) withFont:[self font]]; | ||
| } | ||
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| // Draw: the upwards dash for end, with label | ||
| CGFloat endDistance = MAX(padding, padding + prehistoryDistance + day * ([endDate timeIntervalSinceDate:startOfLine] / 86400.0)); | ||
| NSString *endFormatted; | ||
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| if ([self date:startDate isSameTime:endDate]) { | ||
| endFormatted = [self countFormatted]; | ||
| } else { | ||
| endFormatted = [self formatDate: endDate]; | ||
| } | ||
| CGSize endSize = [endFormatted sizeWithFont:[self font]]; | ||
| CGContextMoveToPoint(con, endDistance, mid); | ||
| CGContextAddLineToPoint(con, endDistance, dashTop); | ||
| CGContextAddLineToPoint(con, endDistance + dashWidth, dashTop); | ||
| [endFormatted drawInRect:CGRectMake(endDistance + dashWidth + 5.0, 0.0, endSize.width, endSize.height) withFont:[self font]]; | ||
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| // Draw: the occurance rate. | ||
| if ([self count] > 1 && ![self date:startDate isSameTime:endDate]) { | ||
| NSString *rateString; | ||
| if ([self count] == 2) { | ||
| rateString = @"(twice only)"; | ||
| } else if ([self date:startDate isSameDate: endDate]) { | ||
| rateString = [NSString stringWithFormat: @"(%i times)", count]; | ||
| } else { | ||
| rateString = [NSString stringWithFormat: @"(%i times, %0.2f/day)", count, count * 86400.0 / ([endDate timeIntervalSinceDate:startDate]) ]; | ||
| } | ||
|
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| CGSize rateSize = [rateString sizeWithFont: [self font]]; | ||
|
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| CGFloat midSpace = endDistance - startDistance; | ||
| CGFloat leftSpace = startDistance - startSize.width; | ||
| CGFloat rightSpace = self.frame.size.width - endDistance - endSize.width; | ||
| CGFloat ratePosition; | ||
|
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| // Position the rate label, either | ||
| // 1. In the middle if it fits (for awesomeness) | ||
| // 2. To the left or right, whichever there's more space (if it fits) | ||
| // 3. In¡ the middle if it doesn't fit anywhere, for symetrical disaster. | ||
| if (rateSize.width + 10.0 < midSpace) { | ||
| ratePosition = startDistance + (midSpace - rateSize.width) / 2.0; | ||
| } else if (rateSize.width + 10.0 < leftSpace && leftSpace >= rightSpace) { | ||
| ratePosition = (leftSpace - rateSize.width) / 2.0; | ||
| } else if (rateSize.width + 10.0 < rightSpace) { | ||
| ratePosition = endDistance + (rightSpace - rateSize.width) / 2.0; | ||
| } else { | ||
| ratePosition = startDistance + (midSpace - rateSize.width) / 2.0; | ||
| } | ||
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| [rateString drawInRect:CGRectMake(ratePosition, 0.0, rateSize.width, rateSize.height) withFont:[self font]]; | ||
| } | ||
|
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| CGContextSetLineWidth(con, 0.5); | ||
| CGContextStrokePath(con); | ||
| } | ||
|
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| @end |
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