Added transformers for menu item title. There must be a better way...

Playlist/ToggleQueueTitleTransformer.h

@@ -0,0 +1,16 @@
+//
+//  ToggleQueueTitleTransformer.h
+//  Cog
+//
+//  Created by Vincent Spader on 3/8/08.
+//  Copyright 2008 __MyCompanyName__. All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+
+
+@interface ToggleQueueTitleTransformer : NSObject {
+
+}
+
+@end

Playlist/ToggleQueueTitleTransformer.m

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+//
+//  ToggleQueueTitleTransformer.m
+//  Cog
+//
+//  Created by Vincent Spader on 3/8/08.
+//  Copyright 2008 __MyCompanyName__. All rights reserved.
+//
+
+#import "ToggleQueueTitleTransformer.h"
+
+
+@implementation ToggleQueueTitleTransformer
+
+
++ (Class)transformedValueClass { return [NSArray class]; }
++ (BOOL)allowsReverseTransformation { return NO; }
+
+// Convert from NSNumber to NSString
+- (id)transformedValue:(id)value {
+    if (value == nil) return nil;
+	if ([value count] == 0) return nil;
+	
+	BOOL trueFound = NO;
+	BOOL falseFound = NO;
+	
+	for (NSNumber *q in value) {
+		BOOL queued = [q boolValue];
+		
+		if (queued)
+		{
+			trueFound = YES;
+		}
+		else if (!queued)
+		{
+			falseFound = YES;
+		}
+	}
+	
+	
+	if (trueFound && !falseFound)
+		return @"Remove from Queue";
+	else if (falseFound && !trueFound)
+		return @"Add to Queue";
+	else
+		return @"Toggle Queued";
+
+}
+
+
+@end