1 (in-package :it.bese.ucw
)
3 (defun multiple-value-funcall->list
(function &rest args
)
4 "The function to be called by m-v-bf"
5 (multiple-value-call #'list
(apply function args
)))
7 (defmacro multiple-value-bindf
(vars form
&body body
)
8 "Like M-V-B, only it works in actions. form must be a function call"
9 `(destructuring-bind ,vars
10 (multiple-value-funcall->list
#',(car form
) ,@(cdr form
))
13 (defcomponent mewa-slot-presentation
()
14 ((slot-name :accessor slot-name
17 "The name of the slot being accessed")
18 (fill-gaps-only-p :accessor fill-gaps-only-p
19 :initarg
:fill-gaps-only-p
22 "When nil, the instance is syncronised with the database.
23 When T, only the default value for primary keys and the joins are updated."))
24 (:documentation
"The superclass of all Mewa slot presentations"))
26 ;;;; this has to be in the eval when i would think
27 (eval-when (:compile-toplevel
:load-toplevel
:execute
)
28 (defun generate-slot-presentation-definition-for-type (type)
29 (let* ((u-name (intern (format nil
"~A-SLOT-PRESENTATION" type
)))
30 (sp-name (intern (format nil
"MEWA-~A" u-name
)))
31 (t-name (intern (format nil
"MEWA-~A" type
))))
32 `(defslot-presentation ,sp-name
(,u-name mewa-slot-presentation
)
34 (:type-name
,t-name
)))))
36 (defmacro define-base-mewa-presentations
(&body types
)
37 "Define the mewa-slot-presentations by subclassing the base UCW ones"
38 `(progn ,@(mapcar #'generate-slot-presentation-definition-for-type
41 ;;;then actually define the base presentations :
42 (define-base-mewa-presentations
50 (defslot-presentation clsql-wall-time-slot-presentation
(mewa-relation-slot-presentation)
52 (:type-name clsql-sys
:wall-time
))
54 (defmethod presentation-slot-value ((slot clsql-wall-time-slot-presentation
) instance
)
55 (let ((date (call-next-method)))
56 (when date
(multiple-value-bind (y m d
) (clsql:time-ymd date
)
57 (format nil
"~a/~a/~a" m d y
)))))
59 (defmethod (setf presentation-slot-value
) ((value string
) (slot clsql-wall-time-slot-presentation
) instance
)
60 (let ((new-time (clsql:parse-date-time
(remove #\Space value
)))
61 (old-time (when (slot-boundp instance
(slot-name slot
))
62 (slot-value instance
(slot-name slot
)))))
63 (unless (or (eql old-time new-time
)
64 (when (and new-time old-time
)
65 (equal :equal
(clsql:time-compare new-time old-time
))))
66 (setf (presentation-slot-value slot instance
) new-time
))))
68 (defmethod label :around
((slot clsql-wall-time-slot-presentation
))
69 (concatenate 'string
(call-next-method) " (mm/dd/yyyy)"))
71 (defmethod present-slot ((slot clsql-wall-time-slot-presentation
) instance
)
72 (let ((date (presentation-slot-value slot instance
))
73 (input-id (string (gensym))))
74 (if (and date
(not (editablep slot
)))
75 (<:span
(<:as-html date
)))
76 (when (editablep slot
)
77 (<ucw
:input
:accessor
(presentation-slot-value slot instance
) :id input-id
)
78 (<:script
:type
"text/javascript"
79 (<:as-is
(format nil
"
82 ifFormat : \"%m/%d/%Y\",
87 (defslot-presentation mewa-relation-slot-presentation
(mewa-slot-presentation slot-presentation
)
88 ((foreign-instance :accessor foreign-instance
)
89 (linkedp :accessor linkedp
:initarg
:linkedp
:initform t
)
90 (creator :accessor creator
:initarg
:creator
:initform
:editor
))
91 (:type-name relation
))
93 (defaction search-records
((slot mewa-relation-slot-presentation
) instance
)
94 (multiple-value-bindf (finstance foreign-slot-name
)
95 (meta-model:explode-foreign-key instance
(slot-name slot
))
99 (make-instance (or (cadr (mewa:find-attribute finstance
:presentation-search
))
100 'mewa
::mewa-presentation-search
)
102 (mewa:make-presentation finstance
103 :type
:search-presentation
)
105 (mewa:make-presentation finstance
107 (setf (slot-value instance
(slot-name slot
)) (slot-value new-instance foreign-slot-name
))
108 (meta-model:sync-instance instance
:fill-gaps-only-p
(fill-gaps-only-p self
)))))
110 (defaction create-record-on-foreign-key
((slot mewa-relation-slot-presentation
) instance
)
111 (multiple-value-bindf (finstance foreign-slot-name
)
112 (meta-model:explode-foreign-key instance
(slot-name slot
))
116 (mewa:make-presentation finstance
:type
(creator self
)))))
118 ;;;; TODO: this next bit is due to a bad design decision.
119 ;;;; Components should always have (ok) return self, but somewhere
120 ;;;; i've made in return (instance self) sometimes, and this
121 ;;;; bahaviour is totatlly fucked.
123 (when (typep new-instance
'mewa
::mewa
)
124 (setf new-instance
(instance new-instance
)))
126 ;;;; sorry about that, and now back t our regular program.
128 (meta-model:sync-instance new-instance
)
129 (setf (slot-value instance
(slot-name slot
)) (slot-value new-instance foreign-slot-name
))
130 (meta-model:sync-instance instance
:fill-gaps-only-p
(fill-gaps-only-p self
)))))
133 (defmethod present-relation ((slot mewa-relation-slot-presentation
) instance
)
134 ;;;;(<:as-html (slot-name slot) "=> " (foreign-instance slot) " from " instance )
135 (let* ((i (foreign-instance slot
))
136 (pres (mewa::make-presentation
141 (list :editablep nil
:linkedp nil
)))))
142 (when (and (ucw::parent slot
) (slot-boundp slot
'ucw
::place
))
143 (setf (component.place pres
) (component.place
(ucw::parent slot
))))
144 (when i
(<ucw
:render-component
:component pres
))))
148 (defmethod present-slot ((slot mewa-relation-slot-presentation
) instance
)
149 (present-relation slot instance
))
151 (defslot-presentation foreign-key-slot-presentation
(mewa-relation-slot-presentation)
153 (:type-name foreign-key
)
156 (defaction view-instance
((self component
) instance
&rest initargs
)
157 (call-component (parent self
) (apply #'mewa
:make-presentation instance initargs
))
158 ;; the viewed instance could have been changed/deleted, so we sync this instance
159 (meta-model:sync-instance
(instance (parent self
))))
163 (defmethod present-slot :before
((slot foreign-key-slot-presentation
) instance
)
167 (defmethod present-slot :around
((slot foreign-key-slot-presentation
) instance
)
168 (setf (foreign-instance slot
)
169 (when (presentation-slot-value slot instance
)
170 (meta-model:explode-foreign-key instance
(slot-name slot
))))
171 (flet ((render () (when (foreign-instance slot
)(call-next-method))))
172 (if (slot-boundp slot
'place
)
176 (<ucw
:submit
:action
(search-records slot instance
) :value
"Search" :style
"display:inline")
177 (<ucw
:submit
:action
(create-record-on-foreign-key slot instance
) :value
"Add New" :style
"display:inline"))
179 (<ucw
:a
:action
(view-instance slot
(foreign-instance slot
))
183 ;; presentation is used only for rendering
187 (defslot-presentation has-many-slot-presentation
(mewa-relation-slot-presentation)
188 ((add-new-label :accessor add-new-label
:initarg
:add-new-label
:initform
"Add New"))
189 (:type-name has-many
))
191 (defaction add-to-has-many
((slot has-many-slot-presentation
) instance
)
192 ;; if the instance is not stored we must make sure to mark it stored now!
193 (unless (mewa::instance-is-stored-p instance
)
194 (setf (mewa::modifiedp
(parent self
)) t
))
195 ;; sync up the instance
196 (mewa:ensure-instance-sync
(parent slot
))
198 (multiple-value-bindf (class home foreign
)
199 (meta-model:explode-has-many instance
(slot-name slot
))
200 (let ((new (make-instance class
)))
201 (setf (slot-value new foreign
) (slot-value instance home
))
202 (meta-model:sync-instance new
:fill-gaps-only-p
(fill-gaps-only-p self
))
203 (call-component (parent slot
) (mewa:make-presentation new
:type
(creator slot
)))
204 (meta-model:sync-instance instance
))))
206 (defmethod present-slot ((slot has-many-slot-presentation
) instance
)
207 (when (slot-boundp slot
'place
)
208 (<ucw
:submit
:action
(add-to-has-many slot instance
) :value
(add-new-label slot
)))
209 (let ((i (get-foreign-instances slot instance
)))
214 (setf (foreign-instance slot
) s
)
215 (when (slot-boundp slot
'place
)
216 (<ucw
:a
:action
(view-instance slot s
:initargs
`(:global-properties
,(list :linkedp t
:editablep nil
)))
217 (<:li
(setf (linkedp slot
) nil
)
218 (present-relation slot instance
)))))))))
221 (defmethod get-foreign-instances ((slot has-many-slot-presentation
) instance
)
222 (slot-value instance
(slot-name slot
)))
224 (defmethod presentation-slot-value ((slot has-many-slot-presentation
) instance
)
225 (get-foreign-instances slot instance
))
227 (defslot-presentation has-very-many-slot-presentation
(has-many-slot-presentation)
228 ((number-to-display :accessor number-to-display
:initarg
:number-to-display
:initform
10)
229 (current :accessor current
:initform
0)
231 (instances :accessor instances
))
233 (:type-name has-very-many
))
235 (defmethod list-next ((slot has-very-many-slot-presentation
))
236 (setf (current slot
) (incf (current slot
) (number-to-display slot
)))
237 (when (< (len slot
) (current slot
))
238 (setf (current slot
) (- (number-to-display slot
) (len slot
)))))
240 (defmethod list-prev ((slot has-very-many-slot-presentation
))
241 (setf (current slot
) (decf (current slot
) (number-to-display slot
)))
242 (when (> 0 (current slot
))
243 ;;what to do here is open to debate
244 (setf (current slot
) (- (len slot
)(number-to-display slot
) ))))
247 (defmethod present-slot ((slot has-very-many-slot-presentation
) instance
)
248 ;;(<:as-html "isance: " instance)
249 (if (slot-boundp slot
'place
)
251 (<ucw
:a
:action
(list-prev slot
) (<:as-html
"<<"))
252 (let ((self (parent slot
)))
253 (<ucw
:a
:action
(call-component self
(mewa:make-presentation
(car (slot-value instance
(slot-name slot
))) :type
:listing
:initargs
(list :instances
(instances slot
))))
254 (<:as-html
(label slot
) (format nil
" ~a-~a " (current slot
) (+ (current slot
) (number-to-display slot
))))))
255 (<ucw
:a
:action
(list-next slot
) (<:as-html
">>"))
257 (<:as-html
"total :" (len slot
)))
260 (defmethod get-foreign-instances :around
((slot has-very-many-slot-presentation
) instance
)
261 (let ((f (call-next-method)))
262 (setf (len slot
) (length f
))
263 (setf (instances slot
) f
)
264 (loop for cons on
(nthcdr (current slot
) f
)
265 for i from
0 upto
(number-to-display slot
)
266 collect
(car cons
))))
268 (defslot-presentation has-a-slot-presentation
(one-of-presentation)
269 ((key :initarg
:key
:accessor key
))
272 (defmethod get-foreign-slot-value ((slot has-a-slot-presentation
) (object t
) (slot-name t
))
273 (slot-value object slot-name
))
275 (defmethod present-slot ((slot has-a-slot-presentation
) instance
)
276 (<:as-html
(presentation-slot-value slot instance
))
278 (<ucw
:select
:accessor
(presentation-slot-value slot instance
) :test
#'equalp
279 (when (allow-nil-p slot
)
280 (<ucw
:option
:value nil
(<:as-html
(none-label slot
))))
281 (dolist (option (get-foreign-instances (presentation slot
) instance
))
282 (setf (instance (presentation slot
)) option
)
283 (<ucw
:option
:value
(get-foreign-slot-value slot option
(key slot
)) (present (presentation slot
)))))
284 (if (presentation-slot-value slot instance
)
286 (setf (instance (presentation slot
)) (presentation-slot-value slot instance
))
287 (present (presentation slot
)))
290 (defslot-presentation inline-slot-presentation
(mewa-relation-slot-presentation)
294 (defmethod present-slot ((slot inline-slot-presentation
) instance
)
296 (<:legend
(<:as-html
(label slot
)))
297 (<ucw
:render-component
:component
(mewa:make-presentation
(meta-model::explode-foreign-key instance
(slot-name slot
)) :type
:editor
))))
299 (defmethod mewa::present-slot-as-row
((self mewa
::mewa-object-presentation
) (slot inline-slot-presentation
))
301 (present-slot slot
(instance self
))))