src/mewa/slot-presentations.lisp

(in-package :it.bese.ucw)

(defun multiple-value-funcall->list (function &rest args)
		   (multiple-value-call #'list (apply function args)))

(defmacro multiple-value-bindf (vars form &body body)
		   `(destructuring-bind ,vars
		     (multiple-value-funcall->list #',(car form) ,@(cdr form))
		     ,@body))

(defslot-presentation mewa-boolean-slot-presentation (boolean-slot-presentation)
  ((slot-name :accessor slot-name :initarg :slot-name))
  (:type-name mewa-boolean))

(defslot-presentation mewa-string-slot-presentation (string-slot-presentation   )

  ((slot-name :accessor slot-name :initarg :slot-name))
  (:type-name mewa-string))

(defslot-presentation mewa-number-slot-presentation (number-slot-presentation)
  ((slot-name :accessor slot-name :initarg :slot-name))
  (:type-name mewa-number))

(defslot-presentation mewa-integer-slot-presentation (integer-slot-presentation)
  ((slot-name :accessor slot-name :initarg :slot-name))
  (:type-name mewa-integer))

(defslot-presentation mewa-currency-slot-presentation (currency-slot-presentation)

  ((slot-name :accessor slot-name :initarg :slot-name))
  (:type-name mewa-currency))

(defslot-presentation clsql-wall-time-slot-presentation (mewa-relation-slot-presentation)
       ()
       (:type-name clsql-sys:wall-time))

(defmethod presentation-slot-value ((slot clsql-wall-time-slot-presentation) instance)
  (let ((date (call-next-method)))
    (when date (multiple-value-bind (y m d) (clsql:time-ymd date)
      (format nil "~a/~a/~a" m d y)))))

(defmethod (setf presentation-slot-value) ((value string) (slot clsql-wall-time-slot-presentation) instance)
  (let ((new-time (clsql:parse-date-time (remove #\Space value)))
	(old-time (when (slot-boundp instance (slot-name slot))
		    (slot-value instance (slot-name slot)))))
    (unless (or (eql old-time 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)"))

(defmethod present-slot ((slot clsql-wall-time-slot-presentation) instance)
  (let ((date (presentation-slot-value slot instance))
	(input-id (string (gensym))))
    (if (and date (not (editablep slot)))
	(<:span (<:as-html date)))
    (when (editablep slot)
      (<ucw:input :accessor (presentation-slot-value slot instance) :id input-id)
      (<:script :type "text/javascript"
		(<:as-is (format nil "
      Calendar.setup({
        inputField     :    \"~a\",
        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))
  (:type-name relation))

(defun get-fkey-data (instance slot-name)
  "ugly workaround b/c UCW does not like M-V-B"
  (multiple-value-bind (finstance foreign-slot-name)
      (meta-model:explode-foreign-key instance slot-name)
    (cons finstance foreign-slot-name)))

(defaction search-records ((slot mewa-relation-slot-presentation) instance)
  (let* ((d (get-fkey-data instance (slot-name slot)))
	 (finstance (car d))
	 (foreign-slot-name (cdr d))
	 (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)))

(defmethod present-relation ((slot mewa-relation-slot-presentation) instance)
 ;;;;(<:as-html (slot-name slot) "=> " (foreign-instance slot) " from " instance )
  (let* ((i (foreign-instance slot))
	 (pres (mewa::make-presentation
		i
		:type :one-line
		:initargs (list
			   :global-properties
			   (list :editablep nil :linkedp nil)))))
      (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))

(defslot-presentation foreign-key-slot-presentation (mewa-relation-slot-presentation)
  ()
  (:type-name foreign-key)
  (:default-initargs))

(defaction view-instance ((self component) instance &rest initargs)
  (call-component (parent self) (apply #'mewa:make-presentation instance initargs)))


(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 () (call-next-method)))
    (cond
      ((editablep slot)
       (render)
       (<ucw:a :action (search-records slot instance) (<:as-html " (search)"))
       (<ucw:a :action (create-record slot instance) (<:as-html " (new)")))
      ((linkedp slot)
       (<ucw:a :action (view-instance slot (foreign-instance slot))
	       (render)))
      (t
       (render)))))

;;;; HAS MANY
(defslot-presentation has-many-slot-presentation (mewa-relation-slot-presentation)
  ()
  (:type-name has-many))


(defaction add-to-has-many ((slot has-many-slot-presentation) instance)
  (destructuring-bind (class home foreign)
      (multiple-value-funcall #'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 t)
      (call-component (parent slot) (mewa:make-presentation new :type :editor))
      (meta-model:sync-instance (instance (parent slot))))))

(defmethod present-slot ((slot has-many-slot-presentation) instance)
  (<ucw:a :action (add-to-has-many slot instance)
	  (<:as-html "(add new)"))
  (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))))))))


(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)
   (len :accessor len )
   (instances :accessor instances))

  (:type-name has-very-many))

(defmethod list-next ((slot has-very-many-slot-presentation))
  (setf (current slot) (incf (current slot) (number-to-display slot)))
  (when (< (len slot) (current slot))
    (setf (current slot) (- (number-to-display slot) (len slot)))))

(defmethod list-prev ((slot has-very-many-slot-presentation))
  (setf (current slot) (decf (current slot) (number-to-display slot)))
  (when  (> 0 (current slot))
    ;;what to do here is open to debate
    (setf (current slot) (- (len slot)(number-to-display slot)  ))))


(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)))

(defmethod get-foreign-instances :around ((slot has-very-many-slot-presentation) instance)
  (let ((f (call-next-method)))
    (setf (len slot) (length f))
    (setf (instances slot) f)
  (loop for cons on (nthcdr (current slot) f)
		   for i from 0 upto (number-to-display slot)
		   collect (car cons))))

(defslot-presentation has-a-slot-presentation (one-of-presentation)
  ((key :initarg :key :accessor key))
  (:type-name has-a))

(defmethod get-foreign-slot-value ((slot has-a-slot-presentation) (object t) (slot-name t))
  (slot-value object slot-name))

(defmethod present-slot ((slot has-a-slot-presentation) instance)
      (<:as-html (presentation-slot-value slot instance))
  (if (editablep slot)
      (<ucw:select :accessor (presentation-slot-value slot instance) :test #'equalp
        (when (allow-nil-p slot)
	  (<ucw:option :value nil (<:as-html (none-label slot))))
	(dolist (option (get-foreign-instances (presentation slot) instance))
	  (setf (instance (presentation slot)) option)
	  (<ucw:option :value (get-foreign-slot-value slot option (key slot)) (present (presentation slot)))))
      (if (presentation-slot-value slot instance)
	  (progn
	    (setf (instance (presentation slot)) (presentation-slot-value slot instance))
	    (present (presentation slot)))
	  (<:as-html "--"))))
Commit	Line	Data
	1	(in-package :it.bese.ucw)
	2
	3	(defun multiple-value-funcall->list (function &rest args)
	4	(multiple-value-call #'list (apply function args)))
	5
	6	(defmacro multiple-value-bindf (vars form &body body)
	7	`(destructuring-bind ,vars
	8	(multiple-value-funcall->list #',(car form) ,@(cdr form))
	9	,@body))
	10
	11	(defslot-presentation mewa-boolean-slot-presentation (boolean-slot-presentation)
	12	((slot-name :accessor slot-name :initarg :slot-name))
	13	(:type-name mewa-boolean))
	14
	15	(defslot-presentation mewa-string-slot-presentation (string-slot-presentation )
	16
	17	((slot-name :accessor slot-name :initarg :slot-name))
	18	(:type-name mewa-string))
	19
	20	(defslot-presentation mewa-number-slot-presentation (number-slot-presentation)
	21	((slot-name :accessor slot-name :initarg :slot-name))
	22	(:type-name mewa-number))
	23
	24	(defslot-presentation mewa-integer-slot-presentation (integer-slot-presentation)
	25	((slot-name :accessor slot-name :initarg :slot-name))
	26	(:type-name mewa-integer))
	27
	28	(defslot-presentation mewa-currency-slot-presentation (currency-slot-presentation)
	29
	30	((slot-name :accessor slot-name :initarg :slot-name))
	31	(:type-name mewa-currency))
	32
	33	(defslot-presentation clsql-wall-time-slot-presentation (mewa-relation-slot-presentation)
	34	()
	35	(:type-name clsql-sys:wall-time))
	36
	37	(defmethod presentation-slot-value ((slot clsql-wall-time-slot-presentation) instance)
	38	(let ((date (call-next-method)))
	39	(when date (multiple-value-bind (y m d) (clsql:time-ymd date)
	40	(format nil "~a/~a/~a" m d y)))))
	41
	42	(defmethod (setf presentation-slot-value) ((value string) (slot clsql-wall-time-slot-presentation) instance)
	43	(let ((new-time (clsql:parse-date-time (remove #\Space value)))
	44	(old-time (when (slot-boundp instance (slot-name slot))
	45	(slot-value instance (slot-name slot)))))
	46	(unless (or (eql old-time new-time)
	47	(when (and new-time old-time)
	48	(equal :equal (clsql:time-compare new-time old-time))))
	49	(setf (presentation-slot-value slot instance) new-time ))))
	50
	51	(defmethod label :around ((slot clsql-wall-time-slot-presentation))
	52	(concatenate 'string (call-next-method) " (mm/dd/yyyy)"))
	53
	54	(defmethod present-slot ((slot clsql-wall-time-slot-presentation) instance)
	55	(let ((date (presentation-slot-value slot instance))
	56	(input-id (string (gensym))))
	57	(if (and date (not (editablep slot)))
	58	(<:span (<:as-html date)))
	59	(when (editablep slot)
	60	(<ucw:input :accessor (presentation-slot-value slot instance) :id input-id)
	61	(<:script :type "text/javascript"
	62	(<:as-is (format nil "
	63	Calendar.setup({
	64	inputField : \"~a\",
	65	ifFormat : \"%m/%d/%Y\",
	66	});" input-id))))))
	67
	68	(defslot-presentation mewa-relation-slot-presentation ()
	69	((slot-name :accessor slot-name :initarg :slot-name)
	70	(foreign-instance :accessor foreign-instance)
	71	(linkedp :accessor linkedp :initarg :linkedp :initform t))
	72	(:type-name relation))
	73
	74	(defun get-fkey-data (instance slot-name)
	75	"ugly workaround b/c UCW does not like M-V-B"
	76	(multiple-value-bind (finstance foreign-slot-name)
	77	(meta-model:explode-foreign-key instance slot-name)
	78	(cons finstance foreign-slot-name)))
	79
	80	(defaction search-records ((slot mewa-relation-slot-presentation) instance)
	81	(let* ((d (get-fkey-data instance (slot-name slot)))
	82	(finstance (car d))
	83	(foreign-slot-name (cdr d))
	84	(new-instance
	85	(call-component
	86	(parent slot)
	87	(make-instance (or (cadr (mewa:find-attribute finstance :presentation-search))
	88	'mewa::mewa-presentation-search)
	89	:search-presentation
	90	(mewa:make-presentation finstance
	91	:type :search-presentation)
	92	:list-presentation
	93	(mewa:make-presentation finstance
	94	:type :listing)))))
	95	(setf (slot-value instance (slot-name slot)) (slot-value new-instance foreign-slot-name))
	96	(meta-model:sync-instance instance)))
	97
	98	(defmethod present-relation ((slot mewa-relation-slot-presentation) instance)
	99	;;;;(<:as-html (slot-name slot) "=> " (foreign-instance slot) " from " instance )
	100	(let* ((i (foreign-instance slot))
	101	(pres (mewa::make-presentation
	102	i
	103	:type :one-line
	104	:initargs (list
	105	:global-properties
	106	(list :editablep nil :linkedp nil)))))
	107	(when (and (ucw::parent slot) (slot-boundp slot 'ucw::place))
	108	(setf (component.place pres) (component.place (ucw::parent slot))))
	109	(when i (<ucw:render-component :component pres))))
	110
	111
	112
	113	(defmethod present-slot ((slot mewa-relation-slot-presentation) instance)
	114	(present-relation slot instance))
	115
	116	(defslot-presentation foreign-key-slot-presentation (mewa-relation-slot-presentation)
	117	()
	118	(:type-name foreign-key)
	119	(:default-initargs))
	120
	121	(defaction view-instance ((self component) instance &rest initargs)
	122	(call-component (parent self) (apply #'mewa:make-presentation instance initargs)))
	123
	124
	125	(defmethod present-slot :around ((slot foreign-key-slot-presentation) instance)
	126	(setf (foreign-instance slot) (when (presentation-slot-value slot instance) (meta-model:explode-foreign-key instance (slot-name slot))))
	127	(flet ((render () (call-next-method)))
	128	(cond
	129	((editablep slot)
	130	(render)
	131	(<ucw:a :action (search-records slot instance) (<:as-html " (search)"))
	132	(<ucw:a :action (create-record slot instance) (<:as-html " (new)")))
	133	((linkedp slot)
	134	(<ucw:a :action (view-instance slot (foreign-instance slot))
	135	(render)))
	136	(t
	137	(render)))))
	138
	139	;;;; HAS MANY
	140	(defslot-presentation has-many-slot-presentation (mewa-relation-slot-presentation)
	141	()
	142	(:type-name has-many))
	143
	144
	145	(defaction add-to-has-many ((slot has-many-slot-presentation) instance)
	146	(destructuring-bind (class home foreign)
	147	(multiple-value-funcall #'meta-model:explode-has-many instance (slot-name slot))
	148	(let ((new (make-instance class)))
	149	(setf (slot-value new foreign) (slot-value instance home))
	150	(meta-model:sync-instance new :fill-gaps-only t)
	151	(call-component (parent slot) (mewa:make-presentation new :type :editor))
	152	(meta-model:sync-instance (instance (parent slot))))))
	153
	154	(defmethod present-slot ((slot has-many-slot-presentation) instance)
	155	(<ucw:a :action (add-to-has-many slot instance)
	156	(<:as-html "(add new)"))
	157	(let ((i (get-foreign-instances slot instance))
	158	(linkedp (linkedp slot)))
	159	(<:ul
	160	(dolist (s i)
	161	(let ((s s))
	162	(setf (foreign-instance slot) s)
	163	(<ucw:a :action (view-instance slot s :initargs `(:global-properties ,(list :linkedp t :editablep nil)))
	164	(<:li (setf (linkedp slot) nil)
	165	(present-relation slot instance))))))))
	166
	167
	168	(defmethod get-foreign-instances ((slot has-many-slot-presentation) instance)
	169	(slot-value instance (slot-name slot)))
	170
	171	(defmethod presentation-slot-value ((slot has-many-slot-presentation) instance)
	172	(get-foreign-instances slot instance))
	173
	174	(defslot-presentation has-very-many-slot-presentation (has-many-slot-presentation)
	175	((number-to-display :accessor number-to-display :initarg :number-to-display :initform 10)
	176	(current :accessor current :initform 0)
	177	(len :accessor len )
	178	(instances :accessor instances))
	179
	180	(:type-name has-very-many))
	181
	182	(defmethod list-next ((slot has-very-many-slot-presentation))
	183	(setf (current slot) (incf (current slot) (number-to-display slot)))
	184	(when (< (len slot) (current slot))
	185	(setf (current slot) (- (number-to-display slot) (len slot)))))
	186
	187	(defmethod list-prev ((slot has-very-many-slot-presentation))
	188	(setf (current slot) (decf (current slot) (number-to-display slot)))
	189	(when (> 0 (current slot))
	190	;;what to do here is open to debate
	191	(setf (current slot) (- (len slot)(number-to-display slot) ))))
	192
	193
	194	(defmethod present-slot ((slot has-very-many-slot-presentation) instance)
	195	;;(<:as-html "isance: " instance)
	196	(<ucw:a :action (list-prev slot) (<:as-html "<<"))
	197	(let ((self (parent slot)))
	198	(<ucw:a :action (call-component self (mewa:make-presentation (car (slot-value instance (slot-name slot))) :type :listing :initargs (list :instances (instances slot))))
	199	(<:as-html (label slot) (format nil " ~a-~a " (current slot) (+ (current slot) (number-to-display slot))))))
	200	(<ucw:a :action (list-next slot) (<:as-html ">>"))
	201	(call-next-method)
	202	(<:as-html "total :" (len slot)))
	203
	204	(defmethod get-foreign-instances :around ((slot has-very-many-slot-presentation) instance)
	205	(let ((f (call-next-method)))
	206	(setf (len slot) (length f))
	207	(setf (instances slot) f)
	208	(loop for cons on (nthcdr (current slot) f)
	209	for i from 0 upto (number-to-display slot)
	210	collect (car cons))))
	211
	212	(defslot-presentation has-a-slot-presentation (one-of-presentation)
	213	((key :initarg :key :accessor key))
	214	(:type-name has-a))
	215
	216	(defmethod get-foreign-slot-value ((slot has-a-slot-presentation) (object t) (slot-name t))
	217	(slot-value object slot-name))
	218
	219	(defmethod present-slot ((slot has-a-slot-presentation) instance)
	220	(<:as-html (presentation-slot-value slot instance))
	221	(if (editablep slot)
	222	(<ucw:select :accessor (presentation-slot-value slot instance) :test #'equalp
	223	(when (allow-nil-p slot)
	224	(<ucw:option :value nil (<:as-html (none-label slot))))
	225	(dolist (option (get-foreign-instances (presentation slot) instance))
	226	(setf (instance (presentation slot)) option)
	227	(<ucw:option :value (get-foreign-slot-value slot option (key slot)) (present (presentation slot)))))
	228	(if (presentation-slot-value slot instance)
	229	(progn
	230	(setf (instance (presentation slot)) (presentation-slot-value slot instance))
	231	(present (presentation slot)))
	232	(<:as-html "--"))))