Feature: Add fractional track length tooltips

Add fractional track length tooltips, for extra verbose info goodness.

Signed-off-by: Christopher Snowhill <kode54@gmail.com>

Base.lproj/InfoInspector.xib

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="22154" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
+<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="23504" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
     <dependencies>
         <deployment identifier="macosx"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="22154"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="23504"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <objects>
@@ -167,6 +167,7 @@
                             <color key="backgroundColor" name="controlColor" catalog="System" colorSpace="catalog"/>
                         </textFieldCell>
                         <connections>
+                            <binding destination="-2" name="toolTip" keyPath="valueToDisplay.lengthInfo" id="26q-iJ-ecn"/>
                             <binding destination="-2" name="value" keyPath="valueToDisplay.lengthText" id="ji7-tL-8rb"/>
                         </connections>
                     </textField>

Formatters/SecondsFormatter.h

@@ -24,3 +24,8 @@
 }
 
 @end
+
+@interface SecondsFractionFormatter : NSFormatter {
+}
+
+@end

Formatters/SecondsFormatter.m

@@ -99,3 +99,83 @@
 }
 
 @end
+
+@implementation SecondsFractionFormatter
+
+- (NSString *)stringForObjectValue:(id)object {
+	NSString *result = nil;
+	double value;
+	unsigned days = 0;
+	unsigned hours = 0;
+	unsigned minutes = 0;
+	float seconds = 0.0;
+
+	if(nil == object || NO == [object isKindOfClass:[NSNumber class]] || isnan([object doubleValue])) {
+		return @"";
+	}
+
+	value = [object doubleValue];
+
+	seconds = fmod(value, 60.0);
+	minutes = (unsigned)floor(value / 60.0);
+
+	while(60 <= minutes) {
+		minutes -= 60;
+		++hours;
+	}
+
+	while(24 <= hours) {
+		hours -= 24;
+		++days;
+	}
+
+	if(0 < days) {
+		result = [NSString stringWithFormat:@"%u:%.2u:%.2u:%06.3f", days, hours, minutes, seconds];
+	} else if(0 < hours) {
+		result = [NSString stringWithFormat:@"%u:%.2u:%06.3f", hours, minutes, seconds];
+	} else if(0 < minutes) {
+		result = [NSString stringWithFormat:@"%u:%06.3f", minutes, seconds];
+	} else {
+		result = [NSString stringWithFormat:@"0:%06.3f", seconds];
+	}
+
+	return result;
+}
+
+- (BOOL)getObjectValue:(id *)object forString:(NSString *)string errorDescription:(NSString **)error {
+	NSScanner *scanner = nil;
+	BOOL result = NO;
+	double value = 0.0;
+	double seconds = 0.0;
+
+	scanner = [NSScanner scannerWithString:string];
+
+	while(NO == [scanner isAtEnd]) {
+		// Grab a value
+		if([scanner scanDouble:&value]) {
+			seconds *= 60.0;
+			seconds += value;
+			result = YES;
+		}
+
+		// Grab the separator, if present
+		[scanner scanString:@":" intoString:NULL];
+	}
+
+	if(result && NULL != object) {
+		*object = @(seconds);
+	} else if(NULL != error) {
+		*error = @"Couldn't convert value to seconds";
+	}
+
+	return result;
+}
+
+- (NSAttributedString *)attributedStringForObjectValue:(id)object withDefaultAttributes:(NSDictionary *)attributes {
+	NSAttributedString *result = nil;
+
+	result = [[NSAttributedString alloc] initWithString:[self stringForObjectValue:object] attributes:attributes];
+	return result;
+}
+
+@end

Playlist/PlaylistController.m

@@ -445,6 +445,7 @@ static void *playlistControllerContext = &playlistControllerContext;
 	NSImage *cellImage = nil;
 	NSString *cellText = @"";
 	NSString *cellIdentifier = @"";
+	NSString *cellToolTip = nil;
 	NSTextAlignment cellTextAlignment = NSTextAlignmentLeft;
 
 	PlaylistEntry *pe = [[self arrangedObjects] objectAtIndex:row];
@@ -486,6 +487,7 @@ static void *playlistControllerContext = &playlistControllerContext;
 			case 6:
 				cellText = pe.lengthText;
 				cellTextAlignment = NSTextAlignmentRight;
+				cellToolTip = pe.lengthInfo;
 				break;
 
 			case 7:
@@ -583,6 +585,10 @@ static void *playlistControllerContext = &playlistControllerContext;
 			else
 				cellView.textField.toolTip = [pe statusMessage];
 
+			if(cellToolTip) {
+				cellView.textField.toolTip = cellToolTip;
+			}
+
 			NSRect cellFrameRect = cellView.textField.frame;
 			cellFrameRect.origin.y = 1;
 			cellFrameRect.size.height = frameRect.size.height;

Playlist/PlaylistEntry.h

@@ -25,6 +25,7 @@
 + (NSSet *_Nonnull)keyPathsForValuesAffectingAlbumArt;
 + (NSSet *_Nonnull)keyPathsForValuesAffectingTrackText;
 + (NSSet *_Nonnull)keyPathsForValuesAffectingLengthText;
++ (NSSet *_Nonnull)keyPathsForValuesAffectingLengthInfo;
 + (NSSet *_Nonnull)keyPathsForValuesAffectingYearText;
 + (NSSet *_Nonnull)keyPathsForValuesAffectingCuesheetPresent;
 + (NSSet *_Nonnull)keyPathsForValuesAffectingGainCorrection;
@@ -42,6 +43,7 @@
 @property(nonatomic, readonly) NSString *_Nonnull positionText;
 
 @property(nonatomic, readonly) NSString *_Nonnull lengthText;
+@property(nonatomic, readonly) NSString *_Nonnull lengthInfo;
 
 @property(nonatomic, readonly) NSString *_Nonnull yearText;
 

Playlist/PlaylistEntry.m

@@ -91,6 +91,10 @@ extern NSMutableDictionary<NSString *, AlbumArtwork *> *kArtworkDictionary;
 	return [NSSet setWithObject:@"length"];
 }
 
++ (NSSet *)keyPathsForValuesAffectingLengthInfo {
+	return [NSSet setWithObject:@"length"];
+}
+
 + (NSSet *)keyPathsForValuesAffectingAlbumArt {
 	return [NSSet setWithObjects:@"albumArtInternal", @"artId", nil];
 }
@@ -316,6 +320,13 @@ extern NSMutableDictionary<NSString *, AlbumArtwork *> *kArtworkDictionary;
 	return time;
 }
 
+@dynamic lengthInfo;
+- (NSString *)lengthInfo {
+	SecondsFractionFormatter * secondsFormatter = [[SecondsFractionFormatter alloc] init];
+	NSString *time = [secondsFormatter stringForObjectValue:self.length];
+	return time;
+}
+
 @dynamic albumArt;
 - (NSImage *)albumArt {
 	if(!self.albumArtInternal || ![self.albumArtInternal length]) return nil;