(in-package :it.bese.ucw)
+(defun multiple-value-funcall->list (function &rest args)
+ "The function to be called by m-v-bf"
+ (multiple-value-call #'list (apply function args)))
+
+(defmacro multiple-value-bindf (vars form &body body)
+ "Like M-V-B, only it works in actions. form must be a function call"
+ `(destructuring-bind ,vars
+ (multiple-value-funcall->list #',(car form) ,@(cdr form))
+ ,@body))
+
+(defcomponent mewa-slot-presentation ()
+ ((slot-name :accessor slot-name
+ :initarg :slot-name
+ :documentation
+ "The name of the slot being accessed")
+ (fill-gaps-only-p :accessor fill-gaps-only-p
+ :initarg :fill-gaps-only-p
+ :initform nil
+ :documentation
+ "When nil, the instance is syncronised with the database.
+When T, only the default value for primary keys and the joins are updated."))
+ (:documentation "The superclass of all Mewa slot presentations"))
+
+;;;; this has to be in the eval when i would think
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (defun generate-slot-presentation-definition-for-type (type)
+ (let* ((u-name (intern (format nil "~A-SLOT-PRESENTATION" type)))
+ (sp-name (intern (format nil "MEWA-~A" u-name)))
+ (t-name (intern (format nil "MEWA-~A" type))))
+ `(defslot-presentation ,sp-name (,u-name mewa-slot-presentation)
+ ()
+ (:type-name ,t-name)))))
+
+(defmacro define-base-mewa-presentations (&body types)
+ "Define the mewa-slot-presentations by subclassing the base UCW ones"
+ `(progn ,@(mapcar #'generate-slot-presentation-definition-for-type
+ types)))
+
+;;;then actually define the base presentations :
+(define-base-mewa-presentations
+ boolean
+ string
+ number
+ integer
+ currency)
(defslot-presentation clsql-wall-time-slot-presentation (mewa-relation-slot-presentation)
()
(old-time (when (slot-boundp instance (slot-name slot))
(slot-value instance (slot-name slot)))))
(unless (or (eql old-time new-time)
- (and (null old-time) new-time)
- (equal :equal (clsql:time-compare new-time old-time)))
- (setf (presentation-slot-value slot instance) new-time ))))
+ (when (and new-time old-time)
+ (equal :equal (clsql:time-compare new-time old-time))))
+ (setf (presentation-slot-value slot instance) new-time ))))
(defmethod label :around ((slot clsql-wall-time-slot-presentation))
(concatenate 'string (call-next-method) " (mm/dd/yyyy)"))
ifFormat : \"%m/%d/%Y\",
});" input-id))))))
-(defslot-presentation mewa-relation-slot-presentation ()
- ((slot-name :accessor slot-name :initarg :slot-name)
- (foreign-instance :accessor foreign-instance)
- (linkedp :accessor linkedp :initarg :linkedp :initform t))
+(defslot-presentation mewa-relation-slot-presentation (mewa-slot-presentation slot-presentation)
+ ((foreign-instance :accessor foreign-instance)
+ (linkedp :accessor linkedp :initarg :linkedp :initform t)
+ (creator :accessor creator :initarg :creator :initform :editor))
(:type-name relation))
+(defaction search-records ((slot mewa-relation-slot-presentation) instance)
+ (multiple-value-bindf (finstance foreign-slot-name)
+ (meta-model:explode-foreign-key instance (slot-name slot))
+ (let ((new-instance
+ (call-component
+ (parent slot)
+ (make-instance (or (cadr (mewa:find-attribute finstance :presentation-search))
+ 'mewa::mewa-presentation-search)
+ :search-presentation
+ (mewa:make-presentation finstance
+ :type :search-presentation)
+ :list-presentation
+ (mewa:make-presentation finstance
+ :type :listing)))))
+ (setf (slot-value instance (slot-name slot)) (slot-value new-instance foreign-slot-name))
+ (meta-model:sync-instance instance :fill-gaps-only-p (fill-gaps-only-p self)))))
+
+(defaction create-record-on-foreign-key ((slot mewa-relation-slot-presentation) instance)
+ (multiple-value-bindf (finstance foreign-slot-name)
+ (meta-model:explode-foreign-key instance (slot-name slot))
+ (let ((new-instance
+ (call-component
+ (parent slot)
+ (mewa:make-presentation finstance :type (creator self)))))
+
+ ;;;; TODO: this next bit is due to a bad design decision.
+ ;;;; Components should always have (ok) return self, but somewhere
+ ;;;; i've made in return (instance self) sometimes, and this
+ ;;;; bahaviour is totatlly fucked.
+
+ (when (typep new-instance 'mewa::mewa)
+ (setf new-instance (instance new-instance)))
+
+ ;;;; sorry about that, and now back t our regular program.
+
+ (meta-model:sync-instance new-instance)
+ (setf (slot-value instance (slot-name slot)) (slot-value new-instance foreign-slot-name))
+ (meta-model:sync-instance instance :fill-gaps-only-p (fill-gaps-only-p self)))))
+
+
(defmethod present-relation ((slot mewa-relation-slot-presentation) instance)
;;;;(<:as-html (slot-name slot) "=> " (foreign-instance slot) " from " instance )
(let* ((i (foreign-instance slot))
:initargs (list
:global-properties
(list :editablep nil :linkedp nil)))))
- (when (ucw::parent slot) (setf (component.place pres) (component.place (ucw::parent slot))))
- (flet ((render () (when i (<ucw:render-component :component pres))))
- (cond
- ((editablep slot)
- (render)
- (<ucw:a :action (search-records slot i) (<:as-html " (search)"))
- (<ucw:a :action (create-record slot i) (<:as-html " (new)")))
- ((linkedp slot)
- (<ucw:a :action (view-instance slot i)
- (render)))
- (t
- (render))))))
+ (when (and (ucw::parent slot) (slot-boundp slot 'ucw::place))
+ (setf (component.place pres) (component.place (ucw::parent slot))))
+ (when i (<ucw:render-component :component pres))))
+
+
(defmethod present-slot ((slot mewa-relation-slot-presentation) instance)
(present-relation slot instance))
(:default-initargs))
(defaction view-instance ((self component) instance &rest initargs)
- (call-component (parent self) (apply #'mewa:make-presentation instance initargs)))
+ (call-component (parent self) (apply #'mewa:make-presentation instance initargs))
+ ;; the viewed instance could have been changed/deleted, so we sync this instance
+ (meta-model:sync-instance (instance (parent self))))
+
+
+
+(defmethod present-slot :before ((slot foreign-key-slot-presentation) instance)
+ ())
-(defmethod present-slot :before ((slot foreign-key-slot-presentation) instance)
- (setf (foreign-instance slot) (meta-model:explode-foreign-key instance (slot-name slot))))
+
+(defmethod present-slot :around ((slot foreign-key-slot-presentation) instance)
+ (setf (foreign-instance slot)
+ (when (presentation-slot-value slot instance)
+ (meta-model:explode-foreign-key instance (slot-name slot))))
+ (flet ((render () (when (foreign-instance slot)(call-next-method))))
+ (if (slot-boundp slot 'place)
+ (cond
+ ((editablep slot)
+ (render)
+ (<ucw:submit :action (search-records slot instance) :value "Search" :style "display:inline")
+ (<ucw:submit :action (create-record-on-foreign-key slot instance) :value "Add New" :style "display:inline"))
+ ((linkedp slot)
+ (<ucw:a :action (view-instance slot (foreign-instance slot))
+ (render)))
+ (t
+ (render)))
+ ;; presentation is used only for rendering
+ (render))))
;;;; HAS MANY
(defslot-presentation has-many-slot-presentation (mewa-relation-slot-presentation)
- ()
+ ((add-new-label :accessor add-new-label :initarg :add-new-label :initform "Add New"))
(:type-name has-many))
+(defaction add-to-has-many ((slot has-many-slot-presentation) instance)
+ ;; if the instance is not stored we must make sure to mark it stored now!
+ (unless (mewa::instance-is-stored-p instance)
+ (setf (mewa::modifiedp (parent self)) t))
+ ;; sync up the instance
+ (mewa:ensure-instance-sync (parent slot))
+
+ (multiple-value-bindf (class home foreign)
+ (meta-model:explode-has-many instance (slot-name slot))
+ (let ((new (make-instance class)))
+ (setf (slot-value new foreign) (slot-value instance home))
+ (meta-model:sync-instance new :fill-gaps-only-p (fill-gaps-only-p self))
+ (call-component (parent slot) (mewa:make-presentation new :type (creator slot)))
+ (meta-model:sync-instance instance))))
+
(defmethod present-slot ((slot has-many-slot-presentation) instance)
- (let ((i (get-foreign-instances slot instance))
- (linkedp (linkedp slot)))
- (<:ul
- (dolist (s i)
- (let ((s s))
- (setf (foreign-instance slot) s)
- (<ucw:a :action (view-instance slot s :initargs `(:global-properties ,(list :linkedp t :editablep nil)))
- (<:li (setf (linkedp slot) nil)
- (present-relation slot instance))))))))
+ (when (slot-boundp slot 'place)
+ (<ucw:submit :action (add-to-has-many slot instance) :value (add-new-label slot)))
+ (let ((i (get-foreign-instances slot instance)))
+
+ (<:ul
+ (dolist (s i)
+ (let ((s s))
+ (setf (foreign-instance slot) s)
+ (when (slot-boundp slot 'place)
+ (<ucw:a :action (view-instance slot s :initargs `(:global-properties ,(list :linkedp t :editablep nil)))
+ (<:li (setf (linkedp slot) nil)
+ (present-relation slot instance)))))))))
(defmethod get-foreign-instances ((slot has-many-slot-presentation) instance)
(slot-value instance (slot-name slot)))
+(defmethod presentation-slot-value ((slot has-many-slot-presentation) instance)
+ (get-foreign-instances slot instance))
+
(defslot-presentation has-very-many-slot-presentation (has-many-slot-presentation)
((number-to-display :accessor number-to-display :initarg :number-to-display :initform 10)
(current :accessor current :initform 0)
(defmethod present-slot ((slot has-very-many-slot-presentation) instance)
;;(<:as-html "isance: " instance)
- (<ucw:a :action (list-prev slot) (<:as-html "<<"))
- (let ((self (parent slot)))
- (<ucw:a :action (call-component self (mewa:make-presentation (car (slot-value instance (slot-name slot))) :type :listing :initargs (list :instances (instances slot))))
- (<:as-html (label slot) (format nil " ~a-~a " (current slot) (+ (current slot) (number-to-display slot))))))
- (<ucw:a :action (list-next slot) (<:as-html ">>"))
- (call-next-method)
- (<:as-html "total :" (len slot)))
+ (if (slot-boundp slot 'place)
+ (progn
+ (<ucw:a :action (list-prev slot) (<:as-html "<<"))
+ (let ((self (parent slot)))
+ (<ucw:a :action (call-component self (mewa:make-presentation (car (slot-value instance (slot-name slot))) :type :listing :initargs (list :instances (instances slot))))
+ (<:as-html (label slot) (format nil " ~a-~a " (current slot) (+ (current slot) (number-to-display slot))))))
+ (<ucw:a :action (list-next slot) (<:as-html ">>"))
+ (call-next-method)
+ (<:as-html "total :" (len slot)))
+ (call-next-method)))
(defmethod get-foreign-instances :around ((slot has-very-many-slot-presentation) instance)
(let ((f (call-next-method)))
(progn
(setf (instance (presentation slot)) (presentation-slot-value slot instance))
(present (presentation slot)))
- (<:as-html "--"))))
\ No newline at end of file
+ (<:as-html "--"))))
+
+
+
+
+
+
+