(defparameter *default-type* :ucw)
-;;; maps meta-model slot-types to slot-presentation
-(defparameter *slot-type-map*
- '(boolean mewa-boolean
- string mewa-string
- number mewa-currency
- integer mewa-integer
- currency mewa-currency))
-
-;;; an alist of model-class-name . attributes
-;;; should really be a hash-table.
-(defvar *attribute-map* (list))
-
;;; some utilities for merging plists
(defun plist-nunion (new-props plist)
"Non-destructive version of plist-nunion"
(plist-nunion new-props (copy-list plist)))
-(defun gen-ptype (type)
- (or (getf *slot-type-map* type) type))
-
-(defun gen-presentation-slots (instance)
- (mapcar #'(lambda (x) (gen-pslot (cadr x)
- (string (car x))
- (car x)))
- (meta-model:list-slot-types instance)))
-
-
-(defun gen-pslot (type label slot-name)
- (copy-list `(,(gen-ptype type)
- :label ,label
- :slot-name ,slot-name)))
-
-(defun gen-presentation-args (instance args)
- (declare (ignore instance))
- (if args args nil))
+;;; an alist of model-class-name . attributes
+;;; should really be a hash-table.
+(defvar *attribute-map* (list))
(defun find-or-create-attributes (class-name)
"return an exisiting class attribute map or create one.
(cons (car definition)
(plist-union (cdr definition)
(cddr (find-attribute model name))))
- definition)))
+ definition)))
(defmethod perform-set-attributes ((model t) definitions)
(dolist (def definitions)
(defmethod perform-set-attribute-properties ((model t) definitions)
(dolist (def definitions)
(funcall #'set-attribute-properties model (car def) (cdr def))))
+
+(defmethod perform-define-attributes ((model t) attributes)
+ (loop for attribute in attributes
+ do (destructuring-bind (name type &rest args)
+ attribute
+ (cond ((eq type t)
+ ;;use the existing (default) type
+ (set-attribute-properties model name args))
+ ((not (null type))
+ ;;set the type as well
+ (set-attribute model name (cons type args)))))))
+
+(defmacro define-attributes (models &body attribute-definitions)
+ `(progn
+ ,@(loop for model in models
+ collect `(perform-define-attributes (quote ,model) (quote ,attribute-definitions)))
+ (mapcar #'find-class-attributes (quote ,models ))))
+
+(defun find-presentation-attributes (model)
+ (remove nil (mapcar #'(lambda (att)
+ (when (keywordp (car att))
+ att))
+ (cdr (find-class-attributes model)))))
+
+
+;;;; ** Default Attributes
+
+
+;;;; The default mewa class contains the types use as defaults.
+;;;; maps meta-model slot-types to slot-presentation
+
+(defvar *default-attributes-class-name* 'default)
+
+(define-attributes (default)
+ (boolean mewa-boolean)
+ (string mewa-string)
+ (number mewa-currency)
+ (integer mewa-integer)
+ (currency mewa-currency)
+ (clsql:generalized-boolean mewa-boolean)
+ (foreign-key foreign-key)
+ (:viewer mewa-viewer)
+ (:editor mewa-editor)
+ (:creator mewa-creator)
+ (:one-line mewa-one-line-presentation)
+ (:listing mewa-list-presentation :global-properties (:editablep nil) :editablep t)
+ (:search-model mewa-object-presentation))
+
+(defun find-default-presentation-attributes ()
+ (if (eql *default-attributes-class-name* 'default)
+ (find-presentation-attributes 'default)
+ (remove-duplicates (append
+ (find-presentation-attributes 'default)
+ (find-presentation-attributes
+ *default-attributes-class-name*)))))
+
-(defmethod default-attributes ((model t))
+(defmacro with-default-attributes ((model-name) &body body)
+ `(let ((*default-attributes-class-name* ',model-name))
+ ,@body))
+
+(defun gen-ptype (type)
+ (let ((type (if (consp type) (car type) type)))
+ (or (second (find-attribute *default-attributes-class-name* type))
+ (second (find-attribute 'default type))
+ type)))
+
+(defun gen-presentation-slots (instance)
+ (mapcar #'(lambda (x) (gen-pslot (cadr x)
+ (string (car x))
+ (car x)))
+ (meta-model:list-slot-types instance)))
+
+
+(defun gen-pslot (type label slot-name)
+ (copy-list `(,(gen-ptype type)
+ :label ,label
+ :slot-name ,slot-name)))
+
+(defun gen-presentation-args (instance args)
+ (declare (ignore instance))
+ (if args args nil))
+
+
+(defmethod find-default-attributes ((model t))
"return the default attributes for a given model using the meta-model's meta-data"
(append (mapcar #'(lambda (s)
(cons (car s)
(make-presentation
,model
:type :one-line)))))
- (meta-model:list-has-many model))))
+ (meta-model:list-has-many model))
+ (find-default-presentation-attributes)))
(defmethod set-default-attributes ((model t))
"Set the default attributes for MODEL"
(clear-class-attributes model)
(mapcar #'(lambda (x)
(setf (find-attribute model (car x)) (cdr x)))
- (default-attributes model)))
+ (find-default-attributes model)))
(defgeneric attributes-getter (model))
;;;presentations
-
-
(defcomponent mewa ()
((instance :accessor instance :initarg :instance)
(attributes
(car (second attribute))
(second attribute))
*presentation-slot-type-mapping*)
- (error "Can't find slot type for ~A in ~A" attribute *presentation-slot-type-mapping* ))))
+ (error "Can't find slot type for ~A in ~A" attribute self ))))
(cons (first attribute) (apply #'make-instance
class-name
(defmethod make-presentation ((object t) &key (type :viewer) (initargs nil))
(let* ((p (make-instance 'mewa-object-presentation))
- (a (progn (setf (slot-value p 'ucw::instance) object)
+ (a (progn (setf (slot-value p 'instance) object)
(initialize-slots p)
(assoc type (find-all-attributes p))))
(i (apply #'make-instance (or (second a)
(call-next-method)
(render-on res (slot-value self 'body)))
-
(defmethod instance-is-stored-p ((instance clsql:standard-db-object))
(slot-value instance 'clsql-sys::view-database))
(setf (modifiedp self) nil)
(answer self))
+(defmethod confirm-sync-instance ((self mewa))
+ nil)
(defaction ensure-instance-sync ((self mewa))
(when (modifiedp self)
- (let ((message (format nil "Record has been modified, Do you wish to save the changes?")))
- (case (call 'about-dialog
- :body (make-presentation (instance self)
- :type :viewer)
- :message message
- :options '((:save . "Save changes to Database")
- (:cancel . "Cancel all changes")))
- (:cancel
- (cancel-save-instance self))
- (:save
- (save-instance self))))))
+ (if nil
+ (let ((message (format nil "Record has been modified, Do you wish to save the changes?")))
+ (case (call 'about-dialog
+ :body (make-presentation (instance self)
+ :type :viewer)
+ :message message
+ :options '((:save . "Save changes to Database")
+ (:cancel . "Cancel all changes")))
+ (:cancel
+ (cancel-save-instance self))
+ (:save
+ (save-instance self))))
+ (save-instance self))))
+
+(defaction sync-and-answer ((self mewa))
+ (ensure-instance-sync self)
+ (answer (instance 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))
- (meta-model::sync-instance (instance self))
- (answer (instance self)))
+ (sync-and-answer self))
(defmethod (setf presentation-slot-value) :around (value (slot slot-presentation) instance)
(let* ((old (prog1
(setf (modifiedp self) instance
(modifications self) (append (list new old value slot instance) (modifications self)))))))
-;;;; * Finally set up some defaults
-
-(setf (find-attribute t :viewer)
- '(mewa-object-presentation :global-properties (:editablep nil))
- (find-attribute t :editor)
- '(mewa-object-presentation :global-properties (:editablep t))
- (find-attribute t :creator)
- '(mewa-object-presentation :global-properties (:editablep t))
- (find-attribute t :one-line)
- '(mewa-one-line-presentation)
- (find-attribute t :listing)
- '(mewa-list-presentation :global-properties (:editablep nil) :editablep t)
- (find-attribute t :search-model)
- '(mewa-object-presentation))
+