From 05e435633ff7ef1dd77fb028b8887a311706cb2d Mon Sep 17 00:00:00 2001
From: Alexander Ljungberg <aljungberg@wireload.net>
Date: Tue, 27 Jul 2010 16:50:24 -0400
Subject: [PATCH] Fixed: if a custom CPTableView header view was used for a
 column, such as a CPImageView, sorting by that column would cause an
 exception as CPTableView tried to send _setIndicatorImage: to the view. The
 fix is to only send the message if the view supports it.

---
 AppKit/CPTableView.j | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/AppKit/CPTableView.j b/AppKit/CPTableView.j
index 24c961792..cda709b43 100644
--- a/AppKit/CPTableView.j
+++ b/AppKit/CPTableView.j
@@ -1920,7 +1920,11 @@ CPTableViewFirstColumnOnlyAutoresizingStyle = 5;
 - (void)setIndicatorImage:(CPImage)anImage inTableColumn:(CPTableColumn)aTableColumn
 {
     if (aTableColumn)
-        [[aTableColumn headerView] _setIndicatorImage:anImage];
+    {
+        var headerView = [aTableColumn headerView];
+        if ([headerView respondsToSelector:@selector(_setIndicatorImage:)])
+            [headerView _setIndicatorImage:anImage];
+    }
 }
 
 - (CPImage)_tableHeaderSortImage