Patches sent from Vladimir Sekissov <svg@surnet.ru> applied manually

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

diff --git a/src/mewa/mewa.lisp b/src/mewa/mewa.lisp
index ce7ffb3..782e19f 100644 (file)
--- a/src/mewa/mewa.lisp
+++ b/src/mewa/mewa.lisp
@@ -3,7 +3,13 @@
 (defparameter *default-type* :ucw)
 
 ;;; maps meta-model slot-types to slot-presentation
-(defparameter *slot-type-map* '(number ucw:currency))
+(defparameter *slot-type-map*
+  '(boolean   ucw::mewa-boolean
+    string    ucw::mewa-string
+    number    ucw::mewa-currency
+    integer   ucw::mewa-integer
+    currency  ucw::mewa-currency
+    ))
 
 ;;; an alist of model-class-name . attributes
 ;;; should really be a hash-table.
@@ -27,7 +33,7 @@
   (mapcar #'(lambda (x) (gen-pslot (cadr x) 
                                   (string (car x)) 
                                   (car x))) 
-         (list-slot-types instance)))
+         (meta-model:list-slot-types instance)))
 
 
 (defun gen-pslot (type label slot-name)
@@ -85,11 +91,21 @@ attributes is an alist keyed on the attribute nreeame."
 
 
 (defmethod default-attributes ((model t))
-  (append (mapcar #'(lambda (s) (cons (car s) (gen-pslot (if (meta-model:foreign-key-p model (car s))
-                                                  (cadr s))
-                                                (string (car s)) (car s)))) 
-         (meta-model:list-slot-types model))
-         (mapcar #'(lambda (s) (cons s (append (gen-pslot 'ucw::has-many (string s) s) `(:presentation (make-presentation ,model :type :one-line)))))
+  "return the default attributes for a given model using the meta-model's meta-data"
+  (append (mapcar #'(lambda (s) 
+                     (cons (car s) 
+                           (gen-pslot 
+                            (if (meta-model:foreign-key-p model (car s))
+                                'ucw::foreign-key
+                                (cadr s))
+                            (string (car s)) (car s)))) 
+                 (meta-model:list-slot-types model))
+         (mapcar #'(lambda (s) 
+                     (cons s (append (gen-pslot 'ucw::has-many (string s) s) 
+                                     `(:presentation 
+                                       (make-presentation 
+                                        ,model 
+                                        :type :one-line)))))
                  (meta-model:list-has-many model))))
 
 (defmethod set-default-attributes ((model t))
@@ -215,7 +231,6 @@ attributes is an alist keyed on the attribute nreeame."
   (setf (slots self) (find-slot-presentations   self)))
   
 
-
 (defmethod make-presentation ((object t) &key (type :viewer) (initargs nil))
   (let* ((p (make-instance 'mewa-object-presentation))
         (a (progn (setf (slot-value p 'instance) object)
@@ -256,7 +271,50 @@ attributes is an alist keyed on the attribute nreeame."
   (setf (slots to) (mapcar #'(lambda (x) (prog2 
                                             (setf (component.place x) (component.place from))
                                             x))
-                            (slots to))))
+                            (slots to))))
 
 (defmacro call-presentation (object &rest args)
-  `(present-object ,object :presentation (make-presentation ,object ,@args)))
\ No newline at end of file
+  `(present-object ,object :presentation (make-presentation ,object ,@args)))
+
+
+
+(defaction cancel-save-instance ((self mewa))
+  (cond  
+    ((slot-value (instance self) 'clsql-sys::view-database)
+      (meta-model::update-instance-from-records (instance self))
+      (answer self))
+    (t (answer nil))))
+
+(defaction save-instance ((self mewa))
+  (meta-model:sync-instance (instance self))
+   (setf (modifiedp self) nil)
+       (answer self))
+
+
+(defaction ok ((self mewa) &optional arg)
+  "Returns the component if it has not been modified. if it has been, prompt user to save or cancel"
+  (declare (ignore arg))
+  (when (modifiedp self)
+    (let ((message (format nil "Record has been modified, Do you wish to save the changes?<br/> ~a" (print (modifications self)))))
+      (case (call 'option-dialog 
+                 :message message
+                 :options '((:save . "Save changes to Database")
+                            (:cancel . "Cancel all changes")))
+       (:cancel
+        (cancel-save-instance self))
+       (:save 
+        (save-instance self)))))
+  (answer self))
+
+
+
+(defmethod (setf presentation-slot-value) :around (value (slot slot-presentation) instance)
+  (let* ((old (prog1 
+                (presentation-slot-value slot instance)
+              (call-next-method)))
+       (new (presentation-slot-value slot instance)))
+  
+  (unless (equal new old )
+    (let ((self (ucw::parent slot)))
+      (setf (modifiedp self) instance
+           (modifications self)  (append (list  (type-of new) (type-of old) (type-of value) slot instance )))))))
\ No newline at end of file