Started on the standard attributes by adding an image display.

[clinton/lisp-on-lines.git] / src / lisp-on-lines.lisp

diff --git a/src/lisp-on-lines.lisp b/src/lisp-on-lines.lisp
index a5415ae..8652e10 100644 (file)
--- a/src/lisp-on-lines.lisp
+++ b/src/lisp-on-lines.lisp
@@ -8,8 +8,42 @@
 ;;;; or Meta-Model.
 
 ;;;; ** Initialisation
+(defmethod find-default-attributes ((object t))
+  "return the default attributes for a given object using the meta-model's meta-data"
+  (append (mapcar #'(lambda (s) 
+                     (cons (car s) 
+                           (gen-pslot 
+                            (if (meta-model:foreign-key-p object (car s))
+                                'foreign-key
+                                (cadr s))
+                            (string (car s)) (car s)))) 
+                 (meta-model:list-slot-types object))
+         (mapcar #'(lambda (s) 
+                     (cons s (append (gen-pslot 'has-many (string s) s) 
+                                     `(:presentation 
+                                       (make-presentation 
+                                        ,object 
+                                        :type :one-line)))))
+                 (meta-model:list-has-many object))
+         (find-default-presentation-attribute-definitions)))
+
+(defmethod set-default-attributes ((object t))
+  "Set the default attributes for MODEL"
+  (clear-attributes object)
+  (mapcar #'(lambda (x) 
+             (setf (find-attribute object (car x)) (cdr x)))
+         (find-default-attributes object)))
+
+;;;; This automagically initialises any meta model
+
+(eval-when (:compile-toplevel :load-toplevel :execute)
+  (defmethod meta-model::generate-base-class-expander :after (meta-model name args)
+    (set-default-attributes name)))
+
 ;;;; The following macros are used to initialise a set of database tables as LoL objects.
 
+
+
 (eval-when (:compile-toplevel :load-toplevel :execute)
   (defun generate-define-view-for-table (table)
     "
@@ -72,7 +106,11 @@ This involves creating a meta-model, a clsql view-class, and the setting up the
   (mewa::find-attribute-slot self slot-name))
 
 (defmethod present-slot-view ((self mewa) slot-name &optional (instance (instance self)))
-  (present-slot (slot-view self slot-name) instance))
+  (let ((v (slot-view self slot-name)))
+
+     (if v
+        (present-slot v instance)
+        (<:as-html slot-name))))
 
 
 (defmethod find-slots-of-type (model &key (type 'string)