Grapher: draw ref names

This simply draws the ref names in the cell, without any markup or correct
rect.

PBGitGrapher.m

@@ -131,7 +131,7 @@ - (void) parseCommits: (NSArray *) commits
 		previous = [[PBGraphCellInfo alloc] initWithPosition:newPos andLines:lines];
 
 		if (refs && [refs objectForKey:commit.sha])
-			previous.hasRef = TRUE;
+			previous.refs = [refs objectForKey:commit.sha];
 
 		// If a parent was added, we have room to not indent.
 		if (addedParent)

PBGitRepository.m

@@ -160,7 +160,11 @@ - (void) readRefs
 			[newBranches addObject: branch];
 		}
 
-		[newRefs setObject:ref forKey:sha];
+		NSMutableArray* curRefs;
+		if (curRefs = [newRefs objectForKey:sha])
+			[curRefs addObject:ref];
+		else
+			[newRefs setObject:[NSMutableArray arrayWithObject:ref] forKey:sha];
 	}
 	self.branches = newBranches;
 	self.refs = newRefs;

PBGitRevisionCell.m

@@ -63,7 +63,7 @@ - (void) drawLineFromColumn: (int) from toColumn: (int) to inRect: (NSRect) r of
 
 - (void) drawCircleForColumn: (int) c inRect: (NSRect) r
 {
-	if (!cellInfo.hasRef)
+	if (!cellInfo.refs)
 		[[NSColor blackColor] set];
 	else
 		[[NSColor redColor] set];
@@ -86,6 +86,17 @@ - (void) drawCircleForColumn: (int) c inRect: (NSRect) r
 	[path fill];	
 }
 
+- (void) drawRefsInRect: (NSRect*) rect
+{
+	int pathWidth = 40 * [cellInfo.refs count];
+	NSRect ownRect;
+	NSDivideRect(*rect, &ownRect, rect, pathWidth, NSMinXEdge);	
+	for (NSString* ref in cellInfo.refs) {
+		NSString* newRef = [[ref componentsSeparatedByString:@"/"] lastObject];
+		[newRef drawInRect: ownRect withAttributes:nil];
+	}
+}
+
 - (void) drawWithFrame: (NSRect) rect inView:(NSView *)view
 {
 	if (!isReady)
@@ -105,6 +116,8 @@ - (void) drawWithFrame: (NSRect) rect inView:(NSView *)view
 
 	[self drawCircleForColumn: cellInfo.position inRect: ownRect];
 
+	if (cellInfo.refs)
+		[self drawRefsInRect:&rect];
 
 	[super drawWithFrame:rect inView:view];
 	isReady = NO;

PBGraphCellInfo.h

@@ -14,11 +14,11 @@
 	int position;
 	NSArray* lines;
 	int numColumns;
-	BOOL hasRef;
+	NSArray* refs;
 }
 @property(readonly)  NSArray* lines;
+@property(retain) NSArray* refs;
 @property(assign)  int position, numColumns;
-@property(assign) BOOL hasRef;
 
 - (id)initWithPosition: (int) p andLines: (NSArray*) l;
 

PBGraphCellInfo.m

@@ -10,7 +10,7 @@
 
 
 @implementation PBGraphCellInfo
-@synthesize lines, position, numColumns, hasRef;
+@synthesize lines, position, numColumns, refs;
 - (id)initWithPosition: (int) p andLines: (NSArray*) l
 {
 	position = p;