387dcb3453
Default time, fade, loop count, and sample rate may now be overridden. Synchronized preferences strings tables. Spanish translation of new options pending, new releases won't be pushed until they're complete. Signed-off-by: Christopher Snowhill <kode54@gmail.com>
63 lines
1.7 KiB
Objective-C
63 lines
1.7 KiB
Objective-C
//
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// TimeIntervalToStringTransformer.m
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// Preferences
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//
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// Created by Christopher Snowhill on 7/1/22.
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//
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#import "TimeIntervalToStringTransformer.h"
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#import <math.h>
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@implementation TimeIntervalToStringTransformer
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+ (Class)transformedValueClass {
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return [NSString class];
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}
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+ (BOOL)allowsReverseTransformation {
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return YES;
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}
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// Convert from string to NSURL
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- (id)reverseTransformedValue:(id)value {
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if(value == nil) return nil;
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if([value isKindOfClass:[NSString class]]) {
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NSString *theString = (NSString *)value;
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NSArray *components = [theString componentsSeparatedByString:@":"];
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double interval = 0.0;
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for(size_t i = 0, j = [components count]; i < j; ++i) {
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interval += ([components[j - i - 1] doubleValue]) * pow(60.0, i);
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}
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return @(interval);
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}
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return nil;
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}
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- (id)transformedValue:(id)value {
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if(value == nil) return @"";
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if([value isKindOfClass:[NSNumber class]]) {
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NSDateComponentsFormatter *formatter = [[NSDateComponentsFormatter alloc] init];
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[formatter setAllowedUnits:NSCalendarUnitHour | NSCalendarUnitMinute | NSCalendarUnitSecond];
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double secondsValue = [value doubleValue];
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double fractionValue = fmod(secondsValue, 1.0);
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secondsValue = (double)(int)secondsValue;
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NSString *wholePart = [formatter stringFromTimeInterval:(NSTimeInterval)secondsValue];
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NSUInteger fractionMillis = (int)(fractionValue * 1000.0);
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if(fractionMillis >= 1) {
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NSString *fractionPart = [NSString stringWithFormat:@".%03lu", fractionMillis];
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fractionPart = [fractionPart stringByTrimmingCharactersInSet:[NSCharacterSet characterSetWithRange:NSMakeRange('0', 1)]];
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return [wholePart stringByAppendingString:fractionPart];
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}
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return wholePart;
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}
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return @"";
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}
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@end
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