X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=views.lisp;h=d994e4d0363a413daa6d46690750cc65f4119fc4;hb=b17d32528de6c74cd273ce32c69f3726c8110119;hp=f6f052f9c23e2e821c3ac6ff8e0ffa892e458e3c;hpb=4e25bac9b8399979850118a2a16be0329e1226b8;p=hyperobject.git

diff --git a/views.lisp b/views.lisp
index f6f052f..d994e4d 100644
--- a/views.lisp
+++ b/views.lisp
@@ -7,7 +7,7 @@
 ;;;; Programmer:    Kevin M. Rosenberg
 ;;;; Date Started:  Apr 2000
 ;;;;
-;;;; $Id: views.lisp,v 1.7 2002/12/05 18:31:36 kevin Exp $
+;;;; $Id: views.lisp,v 1.8 2002/12/05 19:15:02 kevin Exp $
 ;;;;
 ;;;; This file is Copyright (c) 2000-2002 by Kevin M. Rosenberg
 ;;;;
@@ -493,17 +493,15 @@
     
     ;; make list of hyperlink link fields for printing to refstr template
     (dolist (ref (hyperobject-class-hyperlinks x))
-      (let ((link-start 
-	     (make-link-start x (link-ref fmt) (name ref) (lookup ref)
-			      (nth (position (name ref)
-					     (slot-value x 'print-slots))
-				   field-values)  
-			      (append (link-parameters ref) refvars)))
-	    (link-end (make-link-end x (link-ref fmt) (name ref))))
-	(push link-start refvalues)
-	(push link-end refvalues)))
+      (let ((print-pos (position (name ref) (hyperobject-class-print-slots x))))
+	(when print-pos
+	  (let ((link-start (make-link-start x (link-ref fmt) (name ref) (lookup ref)
+					     (nth print-pos field-values)
+					     (append (link-parameters ref) refvars)))
+		(link-end (make-link-end x (link-ref fmt) (name ref))))
+	    (push link-start refvalues)
+	    (push link-end refvalues)))))
     (setq refvalues (nreverse refvalues))
-    
     (apply #'format s refstr refvalues)))
 
 (defgeneric obj-data (obj))