;;;; 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)
"
"expands to init-i-f-t using the listing of tables provided by meta-model"
`(define-view-for-table ,@(meta-model::list-tables)))
+
+
+;;;; These are some macros over the old presentation system.
+;;;; Considered depreciated, they will eventually be implemented in terms of the new
+;;;; display system, and delegated to backwards-compat-0.2.lisp
+
(eval-when (:compile-toplevel :load-toplevel :execute)
(defun %make-view (object type attributes args)
- (when attributes
- (setf args
- (cons `(:attributes ,attributes) args)))
- `(mewa::make-presentation
- ,object
- :type ,type
- ,@(when args
- `(:initargs
- '(,@ (mapcan #'identity args)))))))
+ (when attributes
+ (setf args
+ (cons `(:attributes ,attributes) args)))
+ `(mewa::make-presentation
+ ,object
+ :type ,type
+ ,@(when args
+ `(:initargs
+ '(,@ (mapcan #'identity args)))))))
(defmethod make-view (object &rest args &key (type :viewer)
&allow-other-keys )
(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)