major update to slot presentations
[clinton/lisp-on-lines.git] / src / mewa / slot-presentations.lisp
CommitLineData
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(defcomponent mewa-slot-presentation ()
14 ((slot-name :accessor slot-name
15 :initarg :slot-name
16 :documentation
17 "The name of the slot being accessed")
18 (fill-gaps-only-p :accessor fill-gaps-only-p
19 :initarg :fill-gaps-only-p
20 :initform nil
21 :documentation
22 "When nil, the instance is syncronised with the database.
23When T, only the default value for primary keys and the joins are updated."))
24 (:documentation "The superclass of all Mewa slot presentations"))
25
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)
33 ()
34 (:type-name ,t-name)))))
35
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
39 types)))
40
41;;;then actually define the base presentations :
42(define-base-mewa-presentations
43 boolean
44 string
45 number
46 integer
47 currency)
9d6c69fb 48
9d6c69fb 49
f4170204 50(defslot-presentation clsql-wall-time-slot-presentation (mewa-relation-slot-presentation)
579597e3 51 ()
52 (:type-name clsql-sys:wall-time))
53
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)))))
58
59(defmethod (setf presentation-slot-value) ((value string) (slot clsql-wall-time-slot-presentation) instance)
f4170204 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)
ec4f5786 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 ))))
579597e3 67
19531fbd 68(defmethod label :around ((slot clsql-wall-time-slot-presentation))
69 (concatenate 'string (call-next-method) " (mm/dd/yyyy)"))
70
579597e3 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 "
80 Calendar.setup({
81 inputField : \"~a\",
82 ifFormat : \"%m/%d/%Y\",
83 });" input-id))))))
84
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85(defslot-presentation mewa-relation-slot-presentation (mewa-slot-presentation slot-presentation)
86 ((foreign-instance :accessor foreign-instance)
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87 (linkedp :accessor linkedp :initarg :linkedp :initform t)
88 (creator :accessor creator :initarg :creator :initform :editor))
579597e3 89 (:type-name relation))
90
7d87c1d2 91(defaction search-records ((slot mewa-relation-slot-presentation) instance)
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92 (multiple-value-bindf (finstance foreign-slot-name)
93 (meta-model:explode-foreign-key instance (slot-name slot))
94 (let ((new-instance
95 (call-component
96 (parent slot)
97 (make-instance (or (cadr (mewa:find-attribute finstance :presentation-search))
98 'mewa::mewa-presentation-search)
99 :search-presentation
100 (mewa:make-presentation finstance
101 :type :search-presentation)
102 :list-presentation
103 (mewa:make-presentation finstance
104 :type :listing)))))
105 (setf (slot-value instance (slot-name slot)) (slot-value new-instance foreign-slot-name))
f1ce8b6e 106 (meta-model:sync-instance instance :fill-gaps-only-p (fill-gaps-only-p self)))))
e9454185 107
569ad9e6 108(defaction create-record-on-foreign-key ((slot mewa-relation-slot-presentation) instance)
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109 (multiple-value-bindf (finstance foreign-slot-name)
110 (meta-model:explode-foreign-key instance (slot-name slot))
111 (let ((new-instance
112 (call-component
113 (parent slot)
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114 (mewa:make-presentation finstance :type (creator self)))))
115
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.
120
121 (when (typep new-instance 'mewa::mewa)
122 (setf new-instance (instance new-instance)))
123
124 ;;;; sorry about that, and now back t our regular program.
125
126 (meta-model:sync-instance new-instance)
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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)))))
569ad9e6 129
e9454185 130
579597e3 131(defmethod present-relation ((slot mewa-relation-slot-presentation) instance)
132 ;;;;(<:as-html (slot-name slot) "=> " (foreign-instance slot) " from " instance )
19531fbd 133 (let* ((i (foreign-instance slot))
579597e3 134 (pres (mewa::make-presentation
135 i
136 :type :one-line
137 :initargs (list
138 :global-properties
19531fbd 139 (list :editablep nil :linkedp nil)))))
9d6c69fb 140 (when (and (ucw::parent slot) (slot-boundp slot 'ucw::place))
498061f6 141 (setf (component.place pres) (component.place (ucw::parent slot))))
142 (when i (<ucw:render-component :component pres))))
579597e3 143
7d87c1d2 144
145
579597e3 146(defmethod present-slot ((slot mewa-relation-slot-presentation) instance)
147 (present-relation slot instance))
148
149(defslot-presentation foreign-key-slot-presentation (mewa-relation-slot-presentation)
150 ()
151 (:type-name foreign-key)
152 (:default-initargs))
153
154(defaction view-instance ((self component) instance &rest initargs)
12dcf3d4 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))))
579597e3 158
498061f6 159
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160
161(defmethod present-slot :before ((slot foreign-key-slot-presentation) instance)
162 ())
163
164
165(defmethod present-slot :around ((slot foreign-key-slot-presentation) instance)
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166 (setf (foreign-instance slot)
167 (when (presentation-slot-value slot instance)
168 (meta-model:explode-foreign-key instance (slot-name slot))))
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169 (flet ((render () (when (foreign-instance slot)(call-next-method))))
170 (if (slot-boundp slot 'place)
171 (cond
172 ((editablep slot)
173 (render)
174 (<ucw:submit :action (search-records slot instance) :value "Search" :style "display:inline")
569ad9e6 175 (<ucw:submit :action (create-record-on-foreign-key slot instance) :value "Add New" :style "display:inline"))
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176 ((linkedp slot)
177 (<ucw:a :action (view-instance slot (foreign-instance slot))
178 (render)))
179 (t
180 (render)))
181 ;; presentation is used only for rendering
182 (render))))
579597e3 183
184;;;; HAS MANY
185(defslot-presentation has-many-slot-presentation (mewa-relation-slot-presentation)
12dcf3d4 186 ((add-new-label :accessor add-new-label :initarg :add-new-label :initform "Add New"))
579597e3 187 (:type-name has-many))
188
498061f6 189
498061f6 190(defaction add-to-has-many ((slot has-many-slot-presentation) instance)
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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
85281029 195 (mewa:ensure-instance-sync (parent slot))
8e6e6b56 196
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197 (multiple-value-bindf (class home foreign)
198 (meta-model:explode-has-many instance (slot-name slot))
498061f6 199 (let ((new (make-instance class)))
200 (setf (slot-value new foreign) (slot-value instance home))
e9454185 201 (meta-model:sync-instance new :fill-gaps-only-p (fill-gaps-only-p self))
569ad9e6 202 (call-component (parent slot) (mewa:make-presentation new :type (creator slot)))
e9454185 203 (meta-model:sync-instance instance))))
498061f6 204
579597e3 205(defmethod present-slot ((slot has-many-slot-presentation) instance)
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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)))
209
498061f6 210 (<:ul
211 (dolist (s i)
212 (let ((s s))
213 (setf (foreign-instance slot) s)
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214 (when (slot-boundp slot 'place)
215 (<ucw:a :action (view-instance slot s :initargs `(:global-properties ,(list :linkedp t :editablep nil)))
498061f6 216 (<:li (setf (linkedp slot) nil)
e9454185 217 (present-relation slot instance)))))))))
579597e3 218
219
220(defmethod get-foreign-instances ((slot has-many-slot-presentation) instance)
221 (slot-value instance (slot-name slot)))
222
ec4f5786 223(defmethod presentation-slot-value ((slot has-many-slot-presentation) instance)
224 (get-foreign-instances slot instance))
225
579597e3 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)
229 (len :accessor len )
230 (instances :accessor instances))
231
232 (:type-name has-very-many))
233
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)))))
238
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) ))))
244
245
246(defmethod present-slot ((slot has-very-many-slot-presentation) instance)
247 ;;(<:as-html "isance: " instance)
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248 (if (slot-boundp slot 'place)
249 (progn
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 ">>"))
255 (call-next-method)
256 (<:as-html "total :" (len slot)))
257 (call-next-method)))
579597e3 258
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))))
266
267(defslot-presentation has-a-slot-presentation (one-of-presentation)
268 ((key :initarg :key :accessor key))
269 (:type-name has-a))
270
271(defmethod get-foreign-slot-value ((slot has-a-slot-presentation) (object t) (slot-name t))
272 (slot-value object slot-name))
273
274(defmethod present-slot ((slot has-a-slot-presentation) instance)
275 (<:as-html (presentation-slot-value slot instance))
276 (if (editablep slot)
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)
284 (progn
285 (setf (instance (presentation slot)) (presentation-slot-value slot instance))
286 (present (presentation slot)))
85281029 287 (<:as-html "--"))))