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\",
85 (defslot-presentation mewa-relation-slot-presentation
(mewa-slot-presentation slot-presentation
)
86 ((foreign-instance :accessor foreign-instance
)
87 (linkedp :accessor linkedp
:initarg
:linkedp
:initform t
)
88 (creator :accessor creator
:initarg
:creator
:initform
:editor
))
89 (:type-name relation
))
91 (defaction search-records
((slot mewa-relation-slot-presentation
) instance
)
92 (multiple-value-bindf (finstance foreign-slot-name
)
93 (meta-model:explode-foreign-key instance
(slot-name slot
))
97 (make-instance (or (cadr (mewa:find-attribute finstance
:presentation-search
))
98 'mewa
::mewa-presentation-search
)
100 (mewa:make-presentation finstance
101 :type
:search-presentation
)
103 (mewa:make-presentation finstance
105 (setf (slot-value instance
(slot-name slot
)) (slot-value new-instance foreign-slot-name
))
106 (meta-model:sync-instance instance
:fill-gaps-only-p
(fill-gaps-only-p self
)))))
108 (defaction create-record-on-foreign-key
((slot mewa-relation-slot-presentation
) instance
)
109 (multiple-value-bindf (finstance foreign-slot-name
)
110 (meta-model:explode-foreign-key instance
(slot-name slot
))
114 (mewa:make-presentation finstance
:type
(creator self
)))))
116 ;;;; TODO: this next bit is due to a bad design decision.
117 ;;;; Components should always have (ok) return self, but somewhere
118 ;;;; i've made in return (instance self) sometimes, and this
119 ;;;; bahaviour is totatlly fucked.
121 (when (typep new-instance
'mewa
::mewa
)
122 (setf new-instance
(instance new-instance
)))
124 ;;;; sorry about that, and now back t our regular program.
126 (meta-model:sync-instance new-instance
)
127 (setf (slot-value instance
(slot-name slot
)) (slot-value new-instance foreign-slot-name
))
128 (meta-model:sync-instance instance
:fill-gaps-only-p
(fill-gaps-only-p self
)))))
131 (defmethod present-relation ((slot mewa-relation-slot-presentation
) instance
)
132 ;;;;(<:as-html (slot-name slot) "=> " (foreign-instance slot) " from " instance )
133 (let* ((i (foreign-instance slot
))
134 (pres (mewa::make-presentation
139 (list :editablep nil
:linkedp nil
)))))
140 (when (and (ucw::parent slot
) (slot-boundp slot
'ucw
::place
))
141 (setf (component.place pres
) (component.place
(ucw::parent slot
))))
142 (when i
(<ucw
:render-component
:component pres
))))
146 (defmethod present-slot ((slot mewa-relation-slot-presentation
) instance
)
147 (present-relation slot instance
))
149 (defslot-presentation foreign-key-slot-presentation
(mewa-relation-slot-presentation)
151 (:type-name foreign-key
)
154 (defaction view-instance
((self component
) instance
&rest initargs
)
155 (call-component (parent self
) (apply #'mewa
:make-presentation instance initargs
))
156 ;; the viewed instance could have been changed/deleted, so we sync this instance
157 (meta-model:sync-instance
(instance (parent self
))))
161 (defmethod present-slot :before
((slot foreign-key-slot-presentation
) instance
)
165 (defmethod present-slot :around
((slot foreign-key-slot-presentation
) instance
)
166 (setf (foreign-instance slot
)
167 (when (presentation-slot-value slot instance
)
168 (meta-model:explode-foreign-key instance
(slot-name slot
))))
169 (flet ((render () (when (foreign-instance slot
)(call-next-method))))
170 (if (slot-boundp slot
'place
)
174 (<ucw
:submit
:action
(search-records slot instance
) :value
"Search" :style
"display:inline")
175 (<ucw
:submit
:action
(create-record-on-foreign-key slot instance
) :value
"Add New" :style
"display:inline"))
177 (<ucw
:a
:action
(view-instance slot
(foreign-instance slot
))
181 ;; presentation is used only for rendering
185 (defslot-presentation has-many-slot-presentation
(mewa-relation-slot-presentation)
186 ((add-new-label :accessor add-new-label
:initarg
:add-new-label
:initform
"Add New"))
187 (:type-name has-many
))
190 (defaction add-to-has-many
((slot has-many-slot-presentation
) instance
)
191 ;; if the instance is not stored we must make sure to mark it stored now!
192 (unless (mewa::instance-is-stored-p instance
)
193 (setf (mewa::modifiedp
(parent self
)) t
))
194 ;; sync up the instance
195 (mewa:ensure-instance-sync
(parent slot
))
197 (multiple-value-bindf (class home foreign
)
198 (meta-model:explode-has-many instance
(slot-name slot
))
199 (let ((new (make-instance class
)))
200 (setf (slot-value new foreign
) (slot-value instance home
))
201 (meta-model:sync-instance new
:fill-gaps-only-p
(fill-gaps-only-p self
))
202 (call-component (parent slot
) (mewa:make-presentation new
:type
(creator slot
)))
203 (meta-model:sync-instance instance
))))
205 (defmethod present-slot ((slot has-many-slot-presentation
) instance
)
206 (when (slot-boundp slot
'place
)
207 (<ucw
:submit
:action
(add-to-has-many slot instance
) :value
(add-new-label slot
)))
208 (let ((i (get-foreign-instances slot instance
)))
213 (setf (foreign-instance slot
) s
)
214 (when (slot-boundp slot
'place
)
215 (<ucw
:a
:action
(view-instance slot s
:initargs
`(:global-properties
,(list :linkedp t
:editablep nil
)))
216 (<:li
(setf (linkedp slot
) nil
)
217 (present-relation slot instance
)))))))))
220 (defmethod get-foreign-instances ((slot has-many-slot-presentation
) instance
)
221 (slot-value instance
(slot-name slot
)))
223 (defmethod presentation-slot-value ((slot has-many-slot-presentation
) instance
)
224 (get-foreign-instances slot instance
))
226 (defslot-presentation has-very-many-slot-presentation
(has-many-slot-presentation)
227 ((number-to-display :accessor number-to-display
:initarg
:number-to-display
:initform
10)
228 (current :accessor current
:initform
0)
230 (instances :accessor instances
))
232 (:type-name has-very-many
))
234 (defmethod list-next ((slot has-very-many-slot-presentation
))
235 (setf (current slot
) (incf (current slot
) (number-to-display slot
)))
236 (when (< (len slot
) (current slot
))
237 (setf (current slot
) (- (number-to-display slot
) (len slot
)))))
239 (defmethod list-prev ((slot has-very-many-slot-presentation
))
240 (setf (current slot
) (decf (current slot
) (number-to-display slot
)))
241 (when (> 0 (current slot
))
242 ;;what to do here is open to debate
243 (setf (current slot
) (- (len slot
)(number-to-display slot
) ))))
246 (defmethod present-slot ((slot has-very-many-slot-presentation
) instance
)
247 ;;(<:as-html "isance: " instance)
248 (if (slot-boundp slot
'place
)
250 (<ucw
:a
:action
(list-prev slot
) (<:as-html
"<<"))
251 (let ((self (parent slot
)))
252 (<ucw
:a
:action
(call-component self
(mewa:make-presentation
(car (slot-value instance
(slot-name slot
))) :type
:listing
:initargs
(list :instances
(instances slot
))))
253 (<:as-html
(label slot
) (format nil
" ~a-~a " (current slot
) (+ (current slot
) (number-to-display slot
))))))
254 (<ucw
:a
:action
(list-next slot
) (<:as-html
">>"))
256 (<:as-html
"total :" (len slot
)))
259 (defmethod get-foreign-instances :around
((slot has-very-many-slot-presentation
) instance
)
260 (let ((f (call-next-method)))
261 (setf (len slot
) (length f
))
262 (setf (instances slot
) f
)
263 (loop for cons on
(nthcdr (current slot
) f
)
264 for i from
0 upto
(number-to-display slot
)
265 collect
(car cons
))))
267 (defslot-presentation has-a-slot-presentation
(one-of-presentation)
268 ((key :initarg
:key
:accessor key
))
271 (defmethod get-foreign-slot-value ((slot has-a-slot-presentation
) (object t
) (slot-name t
))
272 (slot-value object slot-name
))
274 (defmethod present-slot ((slot has-a-slot-presentation
) instance
)
275 (<:as-html
(presentation-slot-value slot instance
))
277 (<ucw
:select
:accessor
(presentation-slot-value slot instance
) :test
#'equalp
278 (when (allow-nil-p slot
)
279 (<ucw
:option
:value nil
(<:as-html
(none-label slot
))))
280 (dolist (option (get-foreign-instances (presentation slot
) instance
))
281 (setf (instance (presentation slot
)) option
)
282 (<ucw
:option
:value
(get-foreign-slot-value slot option
(key slot
)) (present (presentation slot
)))))
283 (if (presentation-slot-value slot instance
)
285 (setf (instance (presentation slot
)) (presentation-slot-value slot instance
))
286 (present (presentation slot
)))