r3564: *** empty log message ***

[hyperobject.git] / views.lisp

diff --git a/views.lisp b/views.lisp
index f6f052f9c23e2e821c3ac6ff8e0ffa892e458e3c..d994e4d0363a413daa6d46690750cc65f4119fc4 100644 (file)
--- 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))