added lisp-on-lines.lisp
[clinton/lisp-on-lines.git] / src / mewa / slot-presentations.lisp
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579597e3 1(in-package :it.bese.ucw)
2
19a82bd5 3(defun multiple-value-funcall->list (function &rest args)
4e2ecf69 4 "The function to be called by m-v-bf"
19a82bd5 5 (multiple-value-call #'list (apply function args)))
6
7(defmacro multiple-value-bindf (vars form &body body)
4e2ecf69 8 "Like M-V-B, only it works in actions. form must be a function call"
19a82bd5 9 `(destructuring-bind ,vars
10 (multiple-value-funcall->list #',(car form) ,@(cdr form))
11 ,@body))
579597e3 12
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13
14;;;; ** Textarea Slot Presentation
15;;;; This should really be in UCW.
16
17(defslot-presentation text-slot-presentation ()
18 ((rows :initarg :rows :accessor rows :initform nil)
19 (columns :initarg :columns :accessor columns :initform nil)
20 (html-contentp :initarg :escape-html-p :accessor escape-html-p :initform nil))
21 (:type-name text))
22
23(defmethod present-slot ((slot text-slot-presentation) instance)
24 (if (editablep slot)
25 (<ucw:textarea :accessor (presentation-slot-value slot instance)
26 :rows (rows slot)
27 :cols (columns slot))
28 (if (escape-html-p slot)
29 (<:as-is (presentation-slot-value slot instance))
30 (<:as-html (presentation-slot-value slot instance)))))
31
32
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33(defcomponent mewa-slot-presentation ()
34 ((slot-name :accessor slot-name
35 :initarg :slot-name
36 :documentation
37 "The name of the slot being accessed")
38 (fill-gaps-only-p :accessor fill-gaps-only-p
39 :initarg :fill-gaps-only-p
40 :initform nil
41 :documentation
42 "When nil, the instance is syncronised with the database.
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43When T, only the default value for primary keys and the joins are updated.")
44 (show-label-p :accessor show-label-p :initarg :show-label-p :initform t))
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45 (:documentation "The superclass of all Mewa slot presentations"))
46
47;;;; this has to be in the eval when i would think
48(eval-when (:compile-toplevel :load-toplevel :execute)
49 (defun generate-slot-presentation-definition-for-type (type)
50 (let* ((u-name (intern (format nil "~A-SLOT-PRESENTATION" type)))
51 (sp-name (intern (format nil "MEWA-~A" u-name)))
52 (t-name (intern (format nil "MEWA-~A" type))))
53 `(defslot-presentation ,sp-name (,u-name mewa-slot-presentation)
54 ()
55 (:type-name ,t-name)))))
56
57(defmacro define-base-mewa-presentations (&body types)
58 "Define the mewa-slot-presentations by subclassing the base UCW ones"
59 `(progn ,@(mapcar #'generate-slot-presentation-definition-for-type
60 types)))
61
62;;;then actually define the base presentations :
63(define-base-mewa-presentations
64 boolean
65 string
66 number
67 integer
68 currency)
9d6c69fb 69
f4170204 70(defslot-presentation clsql-wall-time-slot-presentation (mewa-relation-slot-presentation)
579597e3 71 ()
72 (:type-name clsql-sys:wall-time))
73
74(defmethod presentation-slot-value ((slot clsql-wall-time-slot-presentation) instance)
75 (let ((date (call-next-method)))
76 (when date (multiple-value-bind (y m d) (clsql:time-ymd date)
77 (format nil "~a/~a/~a" m d y)))))
78
79(defmethod (setf presentation-slot-value) ((value string) (slot clsql-wall-time-slot-presentation) instance)
f4170204 80 (let ((new-time (clsql:parse-date-time (remove #\Space value)))
81 (old-time (when (slot-boundp instance (slot-name slot))
82 (slot-value instance (slot-name slot)))))
83 (unless (or (eql old-time new-time)
ec4f5786 84 (when (and new-time old-time)
85 (equal :equal (clsql:time-compare new-time old-time))))
86 (setf (presentation-slot-value slot instance) new-time ))))
579597e3 87
19531fbd 88(defmethod label :around ((slot clsql-wall-time-slot-presentation))
89 (concatenate 'string (call-next-method) " (mm/dd/yyyy)"))
90
579597e3 91(defmethod present-slot ((slot clsql-wall-time-slot-presentation) instance)
92 (let ((date (presentation-slot-value slot instance))
93 (input-id (string (gensym))))
94 (if (and date (not (editablep slot)))
95 (<:span (<:as-html date)))
96 (when (editablep slot)
97 (<ucw:input :accessor (presentation-slot-value slot instance) :id input-id)
98 (<:script :type "text/javascript"
99 (<:as-is (format nil "
100 Calendar.setup({
101 inputField : \"~a\",
102 ifFormat : \"%m/%d/%Y\",
103 });" input-id))))))
104
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105(defslot-presentation mewa-relation-slot-presentation (mewa-slot-presentation slot-presentation)
106 ((foreign-instance :accessor foreign-instance)
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107 (linkedp :accessor linkedp :initarg :linkedp :initform t)
108 (creator :accessor creator :initarg :creator :initform :editor))
579597e3 109 (:type-name relation))
110
7d87c1d2 111(defaction search-records ((slot mewa-relation-slot-presentation) instance)
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112 (multiple-value-bindf (finstance foreign-slot-name)
113 (meta-model:explode-foreign-key instance (slot-name slot))
114 (let ((new-instance
115 (call-component
5f0b37e7 116 (parent slot)
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117 (make-instance (or (cadr (mewa:find-attribute finstance :presentation-search))
118 'mewa::mewa-presentation-search)
119 :search-presentation
120 (mewa:make-presentation finstance
121 :type :search-presentation)
122 :list-presentation
123 (mewa:make-presentation finstance
124 :type :listing)))))
125 (setf (slot-value instance (slot-name slot)) (slot-value new-instance foreign-slot-name))
f1ce8b6e 126 (meta-model:sync-instance instance :fill-gaps-only-p (fill-gaps-only-p self)))))
e9454185 127
569ad9e6 128(defaction create-record-on-foreign-key ((slot mewa-relation-slot-presentation) instance)
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129 (multiple-value-bindf (finstance foreign-slot-name)
130 (meta-model:explode-foreign-key instance (slot-name slot))
131 (let ((new-instance
132 (call-component
133 (parent slot)
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134 (mewa:make-presentation finstance :type (creator self)))))
135
136 ;;;; TODO: this next bit is due to a bad design decision.
137 ;;;; Components should always have (ok) return self, but somewhere
138 ;;;; i've made in return (instance self) sometimes, and this
139 ;;;; bahaviour is totatlly fucked.
140
141 (when (typep new-instance 'mewa::mewa)
142 (setf new-instance (instance new-instance)))
143
144 ;;;; sorry about that, and now back t our regular program.
145
146 (meta-model:sync-instance new-instance)
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147 (setf (slot-value instance (slot-name slot)) (slot-value new-instance foreign-slot-name))
148 (meta-model:sync-instance instance :fill-gaps-only-p (fill-gaps-only-p self)))))
569ad9e6 149
e9454185 150
579597e3 151(defmethod present-relation ((slot mewa-relation-slot-presentation) instance)
152 ;;;;(<:as-html (slot-name slot) "=> " (foreign-instance slot) " from " instance )
19531fbd 153 (let* ((i (foreign-instance slot))
579597e3 154 (pres (mewa::make-presentation
155 i
156 :type :one-line
157 :initargs (list
158 :global-properties
19531fbd 159 (list :editablep nil :linkedp nil)))))
9d6c69fb 160 (when (and (ucw::parent slot) (slot-boundp slot 'ucw::place))
498061f6 161 (setf (component.place pres) (component.place (ucw::parent slot))))
162 (when i (<ucw:render-component :component pres))))
579597e3 163
7d87c1d2 164
165
579597e3 166(defmethod present-slot ((slot mewa-relation-slot-presentation) instance)
167 (present-relation slot instance))
168
169(defslot-presentation foreign-key-slot-presentation (mewa-relation-slot-presentation)
170 ()
171 (:type-name foreign-key)
172 (:default-initargs))
173
174(defaction view-instance ((self component) instance &rest initargs)
12dcf3d4 175 (call-component (parent self) (apply #'mewa:make-presentation instance initargs))
176 ;; the viewed instance could have been changed/deleted, so we sync this instance
177 (meta-model:sync-instance (instance (parent self))))
579597e3 178
498061f6 179
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180
181(defmethod present-slot :before ((slot foreign-key-slot-presentation) instance)
182 ())
183
184
185(defmethod present-slot :around ((slot foreign-key-slot-presentation) instance)
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186 (setf (foreign-instance slot)
187 (when (presentation-slot-value slot instance)
188 (meta-model:explode-foreign-key instance (slot-name slot))))
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189 (flet ((render () (when (foreign-instance slot)(call-next-method))))
190 (if (slot-boundp slot 'place)
191 (cond
192 ((editablep slot)
193 (render)
194 (<ucw:submit :action (search-records slot instance) :value "Search" :style "display:inline")
569ad9e6 195 (<ucw:submit :action (create-record-on-foreign-key slot instance) :value "Add New" :style "display:inline"))
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196 ((linkedp slot)
197 (<ucw:a :action (view-instance slot (foreign-instance slot))
198 (render)))
199 (t
200 (render)))
201 ;; presentation is used only for rendering
202 (render))))
579597e3 203
204;;;; HAS MANY
205(defslot-presentation has-many-slot-presentation (mewa-relation-slot-presentation)
12dcf3d4 206 ((add-new-label :accessor add-new-label :initarg :add-new-label :initform "Add New"))
579597e3 207 (:type-name has-many))
208
498061f6 209(defaction add-to-has-many ((slot has-many-slot-presentation) instance)
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210 ;; if the instance is not stored we must make sure to mark it stored now!
211 (unless (mewa::instance-is-stored-p instance)
212 (setf (mewa::modifiedp (parent self)) t))
213 ;; sync up the instance
85281029 214 (mewa:ensure-instance-sync (parent slot))
8e6e6b56 215
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216 (multiple-value-bindf (class home foreign)
217 (meta-model:explode-has-many instance (slot-name slot))
498061f6 218 (let ((new (make-instance class)))
219 (setf (slot-value new foreign) (slot-value instance home))
e9454185 220 (meta-model:sync-instance new :fill-gaps-only-p (fill-gaps-only-p self))
569ad9e6 221 (call-component (parent slot) (mewa:make-presentation new :type (creator slot)))
e9454185 222 (meta-model:sync-instance instance))))
498061f6 223
579597e3 224(defmethod present-slot ((slot has-many-slot-presentation) instance)
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225 (when (slot-boundp slot 'place)
226 (<ucw:submit :action (add-to-has-many slot instance) :value (add-new-label slot)))
227 (let ((i (get-foreign-instances slot instance)))
228
498061f6 229 (<:ul
230 (dolist (s i)
231 (let ((s s))
232 (setf (foreign-instance slot) s)
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233 (when (slot-boundp slot 'place)
234 (<ucw:a :action (view-instance slot s :initargs `(:global-properties ,(list :linkedp t :editablep nil)))
498061f6 235 (<:li (setf (linkedp slot) nil)
e9454185 236 (present-relation slot instance)))))))))
579597e3 237
238
239(defmethod get-foreign-instances ((slot has-many-slot-presentation) instance)
240 (slot-value instance (slot-name slot)))
241
ec4f5786 242(defmethod presentation-slot-value ((slot has-many-slot-presentation) instance)
243 (get-foreign-instances slot instance))
244
579597e3 245(defslot-presentation has-very-many-slot-presentation (has-many-slot-presentation)
246 ((number-to-display :accessor number-to-display :initarg :number-to-display :initform 10)
247 (current :accessor current :initform 0)
248 (len :accessor len )
249 (instances :accessor instances))
250
251 (:type-name has-very-many))
252
253(defmethod list-next ((slot has-very-many-slot-presentation))
254 (setf (current slot) (incf (current slot) (number-to-display slot)))
255 (when (< (len slot) (current slot))
256 (setf (current slot) (- (number-to-display slot) (len slot)))))
257
258(defmethod list-prev ((slot has-very-many-slot-presentation))
259 (setf (current slot) (decf (current slot) (number-to-display slot)))
260 (when (> 0 (current slot))
261 ;;what to do here is open to debate
262 (setf (current slot) (- (len slot)(number-to-display slot) ))))
263
264
265(defmethod present-slot ((slot has-very-many-slot-presentation) instance)
266 ;;(<:as-html "isance: " instance)
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267 (if (slot-boundp slot 'place)
268 (progn
269 (<ucw:a :action (list-prev slot) (<:as-html "<<"))
270 (let ((self (parent slot)))
271 (<ucw:a :action (call-component self (mewa:make-presentation (car (slot-value instance (slot-name slot))) :type :listing :initargs (list :instances (instances slot))))
272 (<:as-html (label slot) (format nil " ~a-~a " (current slot) (+ (current slot) (number-to-display slot))))))
273 (<ucw:a :action (list-next slot) (<:as-html ">>"))
274 (call-next-method)
275 (<:as-html "total :" (len slot)))
276 (call-next-method)))
579597e3 277
278(defmethod get-foreign-instances :around ((slot has-very-many-slot-presentation) instance)
279 (let ((f (call-next-method)))
280 (setf (len slot) (length f))
281 (setf (instances slot) f)
282 (loop for cons on (nthcdr (current slot) f)
283 for i from 0 upto (number-to-display slot)
284 collect (car cons))))
285
286(defslot-presentation has-a-slot-presentation (one-of-presentation)
287 ((key :initarg :key :accessor key))
288 (:type-name has-a))
289
290(defmethod get-foreign-slot-value ((slot has-a-slot-presentation) (object t) (slot-name t))
291 (slot-value object slot-name))
292
293(defmethod present-slot ((slot has-a-slot-presentation) instance)
294 (<:as-html (presentation-slot-value slot instance))
295 (if (editablep slot)
296 (<ucw:select :accessor (presentation-slot-value slot instance) :test #'equalp
297 (when (allow-nil-p slot)
298 (<ucw:option :value nil (<:as-html (none-label slot))))
299 (dolist (option (get-foreign-instances (presentation slot) instance))
300 (setf (instance (presentation slot)) option)
301 (<ucw:option :value (get-foreign-slot-value slot option (key slot)) (present (presentation slot)))))
302 (if (presentation-slot-value slot instance)
303 (progn
304 (setf (instance (presentation slot)) (presentation-slot-value slot instance))
305 (present (presentation slot)))
85281029 306 (<:as-html "--"))))
5f0b37e7 307
5f0b37e7 308
5f0b37e7 309
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310
311
312
313