major update to slot presentations

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

diff --git a/src/mewa/mewa.lisp b/src/mewa/mewa.lisp
index f8dad21..c6f14a3 100644 (file)
--- a/src/mewa/mewa.lisp
+++ b/src/mewa/mewa.lisp
@@ -149,6 +149,9 @@ attributes is an alist keyed on the attribute name."
     :accessor attributes-getter
     :initform #'get-attributes
     :initarg :attributes-getter)
+   (attribute-slot-map
+    :accessor attribute-slot-map
+    :initform nil)
    (global-properties
     :initarg :global-properties
     :accessor global-properties
@@ -178,7 +181,6 @@ attributes is an alist keyed on the attribute name."
          (meta-model:list-has-many (instance self)))
   nil))
 
-
 (defmethod find-instance-classes ((self mewa))
   (mapcar #'class-name 
          (it.bese.arnesi.mopp:compute-class-precedence-list (class-of (instance self)))))
@@ -232,22 +234,29 @@ attributes is an alist keyed on the attribute name."
                        (attributes self)))
       all-attributes))))
 
+(defmethod find-slot-presentation-for-attribute ((self mewa) attribute)
+  (let ((class-name 
+        (or (gethash (second attribute) ucw::*slot-type-mapping*) 
+            (error  "Can't find slot type for ~A" (second attribute)))))
+               
+         (cons (first attribute) (apply #'make-instance 
+          class-name
+          (append (cddr attribute) (list :parent self :size 30))))))
+
 (defmethod find-slot-presentations ((self mewa))
-  (mapcar #'(lambda (s)
-             (let ((class-name (or (gethash (second s) ucw::*slot-type-mapping*) 'mewa-object-presentation)))
-             (apply #'make-instance 
-                    class-name
-                    (append (cddr s) (list :parent self :size 30)))))
+  (mapcar #'(lambda (a) (find-slot-presentation-for-attribute self a))
          (find-applicable-attributes self)))
 
-
+(defmethod find-attribute-slot ((self mewa) (attribute symbol))
+  (cdr (assoc attribute (attribute-slot-map self))))
 
 (defmethod initialize-slots ((self mewa))
   (when (use-instance-class-p self)
     (setf (classes self) 
          (append (find-instance-classes self)
                  (classes self))))
-  (setf (slots self) (find-slot-presentations   self)))
+  (setf (attribute-slot-map self) (find-slot-presentations self))
+  (setf (slots self) (mapcar #'(lambda (x)(cdr x)) (attribute-slot-map self ))))
   
 
 (defmethod make-presentation ((object t) &key (type :viewer) (initargs nil))
@@ -286,11 +295,6 @@ attributes is an alist keyed on the attribute name."
                                 (setf (component.place x) place)))
                             (slots mewa))))
   
-  
-  
-
-
-
 (defmethod call-component :before ((from standard-component) (to mewa))
   (unless (slot-value to 'initializedp)
     (initialize-slots to))
@@ -313,7 +317,10 @@ attributes is an alist keyed on the attribute name."
 
 
 (defmethod instance-is-stored-p ((instance clsql:standard-db-object))
-  (slot-value instance  'clsql-sys::view-database))
+  (slot-value instance 'clsql-sys::view-database))
+
+(defmethod instance-is-stored-p ((mewa mewa))
+  (instance-is-stored-p (instance mewa)))
 
 (defaction cancel-save-instance ((self mewa))
   (cond