-(declaim (optimize (speed 2) (space 3) (safety 0)))
-
(in-package :lisp-on-lines)
-(defparameter *default-type* :ucw)
-
(define-layered-class description ()
((description-type
:initarg :type
(description-properties
:accessor description.properties
:initform nil
- :special t)
+ :special t
+ :documentation "TODO: not used much anymore, and shouldn't be relied on")
(described-object
:layered-accessor object
:initform nil
:accessor attributes
:initarg :attributes
:initform nil
+ :special t)
+ (description-default-properties
+ :accessor default-properties
+ :initarg :default-properties
+ :initform '()
:special t)))
+(defmethod attributes :around ((description description))
+ "Add any default properties to the attributes"
+
+ (let ((default-properties (default-properties description)))
+ (if (and (listp default-properties)
+ (not (null default-properties)))
+ (let ((a (mapcar #'(lambda (att)
+ (append (ensure-list att) default-properties))
+ (call-next-method))))
+
+
+ a)
+ (call-next-method))))
+
(defmethod print-object ((self description) stream)
(print-unreadable-object (self stream :type t)
(with-slots (description-type) self
- (format t "~A" description-type))))
+ (format stream "~A" description-type))))
;;;; * Occurences
(defvar *occurence-map* (make-hash-table)
"a display is generated by associating an 'occurence'
with an instance of a class. This is usually keyed off class-name,
-although an arbitrary occurence can be used with an arbitrary class.")
+although an arbitrary occurence could be used with an arbitrary class.")
(define-layered-class
standard-occurence (description)
(occurence :accessor occurence :initarg :occurence :initform nil)
(label :initarg :label :layered-accessor label :initform nil :special t)))
+
;;;; * Attributes
(defmethod print-object ((self attribute) stream)
(print-unreadable-object (self stream :type t)
(slot-name :accessor slot-name :initarg :slot-name :special t :initform nil))
(:documentation "Attributes are used to display a part of a thing, such as a slot of an object, a text label, the car of a list, etc."))
+(define-layered-method label :around ((attribute standard-attribute))
+ (or (call-next-method) (attribute.name attribute)))
+
(defmacro defattribute (name supers slots &rest args)
(let* (
(type-provided-p (second (assoc :type-name args)))
(not (find-attribute-class-for-type name)))
`(defmethod find-attribute-class-for-type ((type (eql ',type)))
',name)))))
-(define-layered-class
- display-attribute (attribute)
- ()
- (:documentation "Presentation Attributes are used to display objects
-using the attributes defined in an occurence. Presentation Attributes are always named using keywords."))
(defun clear-attributes (name)
"removes all attributes from an occurance"
(defmethod find-all-attributes ((occurence standard-occurence))
(loop for att being the hash-values of (attribute-map occurence)
- collect att))
+ collect att))
(defmethod ensure-attribute (occurence-name &rest args &key name type &allow-other-keys)
(declare (ignore name type))
(setf (gethash attribute-name (attribute-map occurence))
attribute))
-
(defmethod find-attribute ((attribute-with-occurence attribute) attribute-name)
(find-attribute (occurence attribute-with-occurence) attribute-name))
,@(loop for occurence-name in occurence-names
collect `(perform-define-attributes (quote ,occurence-name) (quote ,attribute-definitions)))))
-(defmethod find-display-attribute (occurence name)
- (find-attribute occurence (intern (symbol-name name) "KEYWORD")))
(defmethod find-description (object type)
(let ((occurence (find-occurence object)))
- (or (find-display-attribute
- occurence
- type)
- occurence)))
+ occurence))
;;"Unused???"
(defmethod setter (attribute)
(:documentation " Like SLOT-VALUE for instances, the base method calls GETTER."))
(defmethod attribute-slot-value (instance attribute)
- "Return (VALUES slot-value-or-nil existsp boundp"
+ "Return (VALUES slot-value-or-nil existsp boundp
+
+If this attribute, in its current context, refers to a slot,
+we return slot-value-or nil either boundp or not."
(let (existsp boundp slot-value-or-nil)
(cond
((and (slot-boundp attribute 'slot-name) (slot-name attribute))
;;;; ** Default Attributes
-
-
+;;;; TODO: This is mosty an ugly hack and should be reworked.
+;;;;
;;;; The default mewa class contains the types use as defaults.
;;;; maps meta-model slot-types to slot-presentation
(integer integer)
(currency currency)
(clsql:generalized-boolean boolean)
- (foreign-key foreign-key))
-
-(defun find-presentation-attributes (occurence-name)
- (loop for att in (find-all-attributes occurence-name)
- when (typep att 'display-attribute)
- collect att))
+ (foreign-key has-a))
(defun attribute-to-definition (attribute)
(nconc (list (attribute.name attribute)
(description.properties attribute)))
(defun find-default-presentation-attribute-definitions ()
- (if (eql *default-attributes-class-name* 'default)
- (mapcar #'attribute-to-definition (find-presentation-attributes 'default))
- (remove-duplicates (mapcar #'attribute-to-definition
- (append
- (find-presentation-attributes 'default)
- (find-presentation-attributes
- *default-attributes-class-name*))))))
+ nil)
+
(defun gen-ptype (type)
(let* ((type (if (consp type) (car type) type))
(possible-default (find-attribute *default-attributes-class-name* type))