-
(in-package :mewa)
(defparameter *default-type* :ucw)
-;;; maps meta-model slot-types to slot-presentation
-(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.
-(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*)))))
+
+
+(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 default-attributes ((model t))
+
+(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)
(gen-pslot
(if (meta-model:foreign-key-p model (car s))
- 'ucw::foreign-key
+ '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)
+ (cons s (append (gen-pslot 'has-many (string s) s)
`(:presentation
(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 ()
- ((attributes
+ ((instance :accessor instance :initarg :instance)
+ (attributes
:initarg :attributes
:accessor attributes
:initform nil)
: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
(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)))))
(attributes self)))
all-attributes))))
+(defmethod find-slot-presentation-for-attribute ((self mewa) attribute)
+ (let ((class-name
+ (or (gethash (if (consp (second attribute))
+ (car (second attribute))
+ (second 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
+ (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)))
+ (when (instance self)
+ (when (use-instance-class-p self)
+ (setf (classes self)
+ (append (find-instance-classes self)
+ (classes 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))
- (let* ((p (make-instance 'mewa-object-presentation))
- (a (progn (setf (slot-value p 'instance) object)
- (initialize-slots p)
- (assoc type (find-all-attributes p))))
-
- (i (apply #'make-instance (second a) (plist-union initargs (cddr a)))))
- (setf (slot-value i 'instance) object)
- i))
-
(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)
(initialize-slots p)
(assoc type (find-all-attributes p))))
-
(i (apply #'make-instance (or (second a)
- ;; if we didnt find the type,
- ;; use the symbol as a class.
- (if (eql (symbol-package type)
- (find-package 'keyword))
- (symbol-name type)
- type))
- (plist-union initargs (cddr a)))))
+ ;; if we didnt find the type,
+ ;; use the symbol as a class.
+ (if (eql (symbol-package type)
+ (find-package 'keyword))
+ (symbol-name type)
+ type))
+ (plist-union initargs (cddr a)))))
(setf (slot-value i 'instance) object)
(initialize-slots i)
(setf (slot-value i 'initializedp) t)
(setf (component.place x) place)))
(slots mewa))))
-
-
-
-
-
-(defmethod call-component :before ((from standard-component) (to mewa))
+(arnesi:defmethod/cc call-component :before ((from standard-component) (to mewa))
(unless (slot-value to 'initializedp)
(initialize-slots to))
(setf (slot-value to 'initializedp) t)
- (setf (slots to) (mapcar #'(lambda (x) (prog2
- (setf (component.place x) (component.place from))
- x))
- (slots to))))
+ (initialize-slots-place (component.place from) to)
+ to)
+
+
(defmacro call-presentation (object &rest args)
`(present-object ,object :presentation (make-presentation ,object ,@args)))
(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))
+ (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
(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))
- (ensure-instance-sync self)
- (answer self))
+ ;(declare (ignore arg))
+ (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 :one-line)
- '(mewa::mewa-one-line-presentation)
- (find-attribute t :listing)
- '(mewa::mewa-list-presentation :global-properties (:editablep nil) :editablep t)
- (find-attribute t :search-presentation)
- '(mewa-object-presentation))
+