(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.
(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)
"return an exisiting class attribute map or create one.
A map is a cons of class-name . attributes.
-attributes is an alist keyed on the attribute nreeame."
+attributes is an alist keyed on the attribute name."
(or (assoc class-name *attribute-map*)
(progn
(setf *attribute-map* (acons class-name (list (list)) *attribute-map*))
(defmethod find-class-attributes ((model symbol))
(find-or-create-attributes model))
+(defmethod clear-class-attributes ((model t))
+ (setf (cdr (find-class-attributes model)) nil))
+
(defmethod add-attribute ((model t) name def)
(let ((map (find-class-attributes model)))
(setf (cdr map) (acons name def (cdr map)))))
(cddr (find-attribute model name))))
definition)))
+(defmethod perform-set-attributes ((model t) definitions)
+ (dolist (def definitions)
+ (funcall #'set-attribute model (first def) (rest def))))
+
+(defmethod set-attribute-properties ((model t) attribute properties)
+ (let ((a (find-attribute model attribute)))
+ (if a
+ (setf (cddr a) (plist-nunion properties (cddr a)))
+ (error "Attribute ~A does not exist" attribute) )))
+
+(defmethod perform-set-attribute-properties ((model t) definitions)
+ (dolist (def definitions)
+ (funcall #'set-attribute-properties model (car def) (cdr def))))
+
(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))
+ "Set the default attributes for MODEL"
+ (clear-class-attributes model)
(mapcar #'(lambda (x)
(setf (find-attribute model (car x)) (cdr x)))
(default-attributes model)))
-
(defcomponent mewa ()
- ((attributes
+ ((ucw::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
:accessor use-instance-class-p
:initform t)
(initializedp :initform nil)
- (modifiedp :accessor modifiedp :initform nil)
+ (modifiedp :accessor modifiedp :initform nil :initarg :modifiedp)
(modifications :accessor modifications :initform nil)))
(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 (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)))))
+ (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 render-on :around ((res response) (self mewa))
- (unless (slot-value self 'initializedp)
- (initialize-slots self))
- (setf (slot-value self 'initializedp) t)
- (call-next-method))
-
-
-(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)
+ (a (progn (setf (slot-value p 'ucw::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)))))
+ ;;;; TODO: this can be cleaned up, probably CHANGE-CLASS is better here
+ (i (apply #'change-class p (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)))))
(setf (slot-value i 'instance) object)
+ (initialize-slots i)
+ (setf (slot-value i 'initializedp) t)
i))
-
-
-
-(defmethod call-component :before ((from standard-component) (to mewa))
+(defmethod initialize-slots-place ((place ucw::place) (mewa mewa))
+ (setf (slots mewa) (mapcar #'(lambda (x)
+ (prog1 x
+ (setf (component.place x) place)))
+ (slots 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)))
\ No newline at end of file
+ `(present-object ,object :presentation (make-presentation ,object ,@args)))
+
+
+(defcomponent about-dialog (option-dialog)
+ ((body :initarg :body)))
+
+(defmethod render-on ((res response) (self about-dialog))
+ (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))
+
+(defmethod instance-is-stored-p ((mewa mewa))
+ (instance-is-stored-p (instance mewa)))
+
+(defaction cancel-save-instance ((self mewa))
+ (cond
+ ((instance-is-stored-p (instance self))
+ (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 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))))))
+
+(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)))
+
+(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 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))
+
+
+
+
+
+;; This software is Copyright (c) Drew Crampsie, 2004-2005.
+;; You are granted the rights to distribute
+;; and use this software as governed by the terms
+;; of the Lisp Lesser GNU Public License
+;; (http://opensource.franz.com/preamble.html),
+;; known as the LLGPL.
HCoop / clinton / lisp-on-lines.git / blobdiff