Changed year to an NSNumber. Fixed up taglib plugin. Tracks/Years with 0 now show up as nothing.

Cog.xcodeproj/project.pbxproj

@@ -79,6 +79,7 @@
 		17A8F6870D6A7FCA0095DA13 /* repeat_one.png in Resources */ = {isa = PBXBuildFile; fileRef = 17A8F6840D6A7FCA0095DA13 /* repeat_one.png */; };
 		17A8F71A0D6A89730095DA13 /* repeat_album.png in Resources */ = {isa = PBXBuildFile; fileRef = 17A8F7190D6A89730095DA13 /* repeat_album.png */; };
 		17B6FA7F0D48225300C3BEF1 /* Sparkle.framework in CopyFiles */ = {isa = PBXBuildFile; fileRef = 17BF2B270CDD77EB007E1295 /* Sparkle.framework */; };
+		17B7DD7D0D7CD10D00320E70 /* BlankZeroFormatter.m in Sources */ = {isa = PBXBuildFile; fileRef = 17B7DD7C0D7CD10D00320E70 /* BlankZeroFormatter.m */; };
 		17BB5CED0B8A86010009ACB1 /* AudioToolbox.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 17BB5CEC0B8A86010009ACB1 /* AudioToolbox.framework */; };
 		17BB5CF90B8A86350009ACB1 /* AudioUnit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 17BB5CF60B8A86350009ACB1 /* AudioUnit.framework */; };
 		17BB5CFA0B8A86350009ACB1 /* CoreAudio.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 17BB5CF70B8A86350009ACB1 /* CoreAudio.framework */; };
@@ -593,6 +594,8 @@
 		17A8F6830D6A7FCA0095DA13 /* repeat_none.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; name = repeat_none.png; path = Images/repeat_none.png; sourceTree = "<group>"; };
 		17A8F6840D6A7FCA0095DA13 /* repeat_one.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; name = repeat_one.png; path = Images/repeat_one.png; sourceTree = "<group>"; };
 		17A8F7190D6A89730095DA13 /* repeat_album.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; name = repeat_album.png; path = Images/repeat_album.png; sourceTree = "<group>"; };
+		17B7DD7B0D7CD10D00320E70 /* BlankZeroFormatter.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = BlankZeroFormatter.h; sourceTree = "<group>"; };
+		17B7DD7C0D7CD10D00320E70 /* BlankZeroFormatter.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = BlankZeroFormatter.m; sourceTree = "<group>"; };
 		17BB5CEC0B8A86010009ACB1 /* AudioToolbox.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = AudioToolbox.framework; path = /System/Library/Frameworks/AudioToolbox.framework; sourceTree = "<absolute>"; };
 		17BB5CF60B8A86350009ACB1 /* AudioUnit.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = AudioUnit.framework; path = /System/Library/Frameworks/AudioUnit.framework; sourceTree = "<absolute>"; };
 		17BB5CF70B8A86350009ACB1 /* CoreAudio.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = CoreAudio.framework; path = /System/Library/Frameworks/CoreAudio.framework; sourceTree = "<absolute>"; };
@@ -1237,6 +1240,8 @@
 				17A8F6360D6A7B0F0095DA13 /* RepeatTransformers.m */,
 				170B55920D6E5E7B006B9E92 /* StatusImageTransformer.h */,
 				170B55930D6E5E7B006B9E92 /* StatusImageTransformer.m */,
+				17B7DD7B0D7CD10D00320E70 /* BlankZeroFormatter.h */,
+				17B7DD7C0D7CD10D00320E70 /* BlankZeroFormatter.m */,
 			);
 			path = Playlist;
 			sourceTree = "<group>";
@@ -1722,6 +1727,7 @@
 				171192BD0D691ED600FD76C5 /* PathWatcher.m in Sources */,
 				17A8F6370D6A7B0F0095DA13 /* RepeatTransformers.m in Sources */,
 				170B55940D6E5E7B006B9E92 /* StatusImageTransformer.m in Sources */,
+				17B7DD7D0D7CD10D00320E70 /* BlankZeroFormatter.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

Playlist/BlankZeroFormatter.h

@@ -0,0 +1,17 @@
+//
+//  BlankZeroFormatter.h
+//  Cog
+//
+//  Created by Vincent Spader on 3/3/08.
+//  Copyright 2008 __MyCompanyName__. All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+
+
+@interface BlankZeroFormatter : NSObject {
+
+
+}
+
+@end

Playlist/BlankZeroFormatter.m

@@ -0,0 +1,50 @@
+//
+//  BlankZeroFormatter.m
+//  Cog
+//
+//  Created by Vincent Spader on 3/3/08.
+//  Copyright 2008 __MyCompanyName__. All rights reserved.
+//
+
+#import "BlankZeroFormatter.h"
+
+
+@implementation BlankZeroFormatter
+
+- (NSString *) stringForObjectValue:(id)object
+{
+	NSString *result  = nil;
+	int value;
+
+	if(nil == object || NO == [object isKindOfClass:[NSNumber class]]) {
+		return nil;
+	}
+	
+	value = [object intValue];
+	
+	if (value) 
+		result = [NSString stringWithFormat:@"%i", value];
+	
+	return result;
+}
+
+- (BOOL) getObjectValue:(id *)object forString:(NSString *)string errorDescription:(NSString  **)error
+{
+	if(NULL != object) {
+		*object = [NSNumber numberWithInt:[string intValue]];
+
+		return YES;
+	}
+	
+	return NO;
+}
+
+- (NSAttributedString *) attributedStringForObjectValue:(id)object withDefaultAttributes:(NSDictionary *)attributes
+{
+	NSAttributedString		*result		= nil;
+	
+	result = [[NSAttributedString alloc] initWithString:[self stringForObjectValue:object] attributes:attributes];
+	return [result autorelease];
+}
+
+@end

Playlist/PlaylistEntry.h

@@ -29,7 +29,7 @@
 	NSString *album;
 	NSString *title;
 	NSString *genre;
-	NSString *year;
+	NSNumber *year;
 	NSNumber *track;
 	
 	long long totalFrames;
@@ -78,7 +78,7 @@
 @property(retain) NSString *album;
 @property(retain) NSString *title;
 @property(retain) NSString *genre;
-@property(retain) NSString *year;
+@property(retain) NSNumber *year;
 @property(retain) NSNumber *track;
 
 @property long long totalFrames;

Playlist/PlaylistView.m

@@ -12,6 +12,7 @@
 
 #import "IndexFormatter.h"
 #import "SecondsFormatter.h"
+#import "BlankZeroFormatter.h"
 #import "PlaylistEntry.h"
 
 #import "CogAudio/Status.h"
@@ -53,6 +54,11 @@
 	NSFormatter *indexFormatter = [[IndexFormatter alloc] init];
 	[[[self tableColumnWithIdentifier:@"index"] dataCell] setFormatter:indexFormatter];
 	[indexFormatter release];
+	
+	NSFormatter *blankZeroFormatter = [[BlankZeroFormatter alloc] init];
+	[[[self tableColumnWithIdentifier:@"track"] dataCell] setFormatter:blankZeroFormatter];
+	[[[self tableColumnWithIdentifier:@"year"] dataCell] setFormatter:blankZeroFormatter];
+	[blankZeroFormatter release];
 	//end setting up formatters
 
 	[self setVerticalMotionCanBeginDrag:YES];

Plugins/TagLib/TagLibMetadataReader.m

@@ -37,23 +37,15 @@
 			
 			if (!pArtist.isNull())
 				lArtist = [NSString stringWithUTF8String:pArtist.toCString(true)];
-			else
-				lArtist = @"";
 
 			if (!pAlbum.isNull())
 				lAlbum = [NSString stringWithUTF8String:pAlbum.toCString(true)];
-			else
-				lAlbum = @"";
 			
 			if (!pTitle.isNull())
 				lTitle = [NSString stringWithUTF8String:pTitle.toCString(true)];
-			else
-				lTitle = @"";
 			
 			if (!pGenre.isNull())
 				lGenre = [NSString stringWithUTF8String:pGenre.toCString(true)];
-			else
-				lGenre = @"";
 		}
 	}
 	
@@ -62,7 +54,7 @@
 		lTitle, @"title",
 		lAlbum, @"album",
 		lGenre, @"genre",
-		[[NSNumber numberWithInt: lYear] stringValue], @"year",
+		[NSNumber numberWithInt: lYear], @"year",
 		[NSNumber numberWithInt: lTrack], @"track",
 		nil];
 }