Commit | Line | Data |
---|---|---|
579597e3 | 1 | (in-package :mewa) |
2 | ||
3 | (defparameter *default-type* :ucw) | |
4 | ||
5 | ;;; maps meta-model slot-types to slot-presentation | |
9d6c69fb DC |
6 | (defparameter *slot-type-map* |
7 | '(boolean ucw::mewa-boolean | |
8 | string ucw::mewa-string | |
9 | number ucw::mewa-currency | |
10 | integer ucw::mewa-integer | |
11 | currency ucw::mewa-currency | |
12 | )) | |
579597e3 | 13 | |
14 | ;;; an alist of model-class-name . attributes | |
15 | ;;; should really be a hash-table. | |
16 | (defvar *attribute-map* (list)) | |
17 | ||
18 | ;;; some utilities for merging plists | |
19 | ||
20 | (defun plist-nunion (new-props plist) | |
d0c40011 | 21 | (loop for cons on new-props by #'cddr |
579597e3 | 22 | do (setf (getf plist (first cons)) (second cons)) |
23 | finally (return plist))) | |
24 | ||
25 | (defun plist-union (new-props plist) | |
26 | "Non-destructive version of plist-nunion" | |
27 | (plist-nunion new-props (copy-list plist))) | |
28 | ||
29 | (defun gen-ptype (type) | |
30 | (or (getf *slot-type-map* type) type)) | |
31 | ||
32 | (defun gen-presentation-slots (instance) | |
33 | (mapcar #'(lambda (x) (gen-pslot (cadr x) | |
34 | (string (car x)) | |
35 | (car x))) | |
9d6c69fb | 36 | (meta-model:list-slot-types instance))) |
579597e3 | 37 | |
38 | ||
39 | (defun gen-pslot (type label slot-name) | |
40 | (copy-list `(,(gen-ptype type) | |
41 | :label ,label | |
42 | :slot-name ,slot-name))) | |
43 | ||
44 | (defun gen-presentation-args (instance args) | |
45 | (declare (ignore instance)) | |
46 | (if args args nil)) | |
47 | ||
48 | ||
49 | (defun find-or-create-attributes (class-name) | |
50 | "return an exisiting class attribute map or create one. | |
51 | ||
52 | A map is a cons of class-name . attributes. | |
8e6e6b56 | 53 | attributes is an alist keyed on the attribute name." |
579597e3 | 54 | (or (assoc class-name *attribute-map*) |
55 | (progn | |
56 | (setf *attribute-map* (acons class-name (list (list)) *attribute-map*)) | |
57 | (assoc class-name *attribute-map*)))) | |
58 | ||
59 | (defgeneric find-class-attributes (class)) | |
60 | ||
61 | (defmethod find-class-attributes ((model t)) | |
62 | (find-or-create-attributes (class-name (class-of model)))) | |
63 | ||
64 | (defmethod find-class-attributes ((model symbol)) | |
65 | (find-or-create-attributes model)) | |
66 | ||
46cea8c8 DC |
67 | (defmethod clear-class-attributes ((model t)) |
68 | (setf (cdr (find-class-attributes model)) nil)) | |
69 | ||
579597e3 | 70 | (defmethod add-attribute ((model t) name def) |
71 | (let ((map (find-class-attributes model))) | |
72 | (setf (cdr map) (acons name def (cdr map))))) | |
73 | ||
74 | (defmethod find-attribute ((model t) name) | |
75 | (assoc name (cdr (find-class-attributes model)))) | |
76 | ||
77 | (defmethod (setf find-attribute) ((def list) (model t) name) | |
78 | (let ((attr (find-attribute model name))) | |
79 | (if attr | |
80 | (prog2 | |
81 | (setf (cdr attr) def) | |
82 | attr) | |
83 | (prog2 | |
84 | (add-attribute model name def) | |
85 | (find-attribute model name))))) | |
86 | ||
87 | (defmethod set-attribute ((model t) name definition &key (inherit t)) | |
88 | (setf (find-attribute model name) | |
89 | (if inherit | |
90 | (cons (car definition) | |
91 | (plist-union (cdr definition) | |
92 | (cddr (find-attribute model name)))) | |
93 | definition))) | |
94 | ||
e8e743d7 | 95 | (defmethod perform-set-attributes ((model t) definitions) |
96 | (dolist (def definitions) | |
97 | (funcall #'set-attribute model (first def) (rest def)))) | |
579597e3 | 98 | |
34e8e2d6 DC |
99 | (defmethod set-attribute-properties ((model t) attribute properties) |
100 | (let ((a (find-attribute model attribute))) | |
101 | (if a | |
102 | (setf (cddr a) (plist-nunion properties (cddr a))) | |
103 | (error "Attribute ~A does not exist" attribute) ))) | |
104 | ||
105 | (defmethod perform-set-attribute-properties ((model t) definitions) | |
106 | (dolist (def definitions) | |
107 | (funcall #'set-attribute-properties model (car def) (cdr def)))) | |
108 | ||
109 | ||
19531fbd | 110 | (defmethod default-attributes ((model t)) |
a6644385 | 111 | "return the default attributes for a given model using the meta-model's meta-data" |
7129498f | 112 | (append (mapcar #'(lambda (s) |
113 | (cons (car s) | |
114 | (gen-pslot | |
1679abef | 115 | (if (meta-model:foreign-key-p model (car s)) |
116 | 'ucw::foreign-key | |
117 | (cadr s)) | |
118 | (string (car s)) (car s)))) | |
119 | (meta-model:list-slot-types model)) | |
120 | (mapcar #'(lambda (s) | |
121 | (cons s (append (gen-pslot 'ucw::has-many (string s) s) | |
122 | `(:presentation | |
123 | (make-presentation | |
124 | ,model | |
125 | :type :one-line))))) | |
19531fbd | 126 | (meta-model:list-has-many model)))) |
127 | ||
128 | (defmethod set-default-attributes ((model t)) | |
8e6e6b56 | 129 | "Set the default attributes for MODEL" |
46cea8c8 | 130 | (clear-class-attributes model) |
19531fbd | 131 | (mapcar #'(lambda (x) |
132 | (setf (find-attribute model (car x)) (cdr x))) | |
133 | (default-attributes model))) | |
134 | ||
135 | ||
579597e3 | 136 | (defgeneric attributes-getter (model)) |
137 | ||
19531fbd | 138 | ;;;presentations |
139 | ||
140 | ||
141 | ||
579597e3 | 142 | (defcomponent mewa () |
2cb4247d DC |
143 | ((ucw::instance :accessor instance :initarg :instance) |
144 | (attributes | |
579597e3 | 145 | :initarg :attributes |
146 | :accessor attributes | |
147 | :initform nil) | |
148 | (attributes-getter | |
149 | :accessor attributes-getter | |
150 | :initform #'get-attributes | |
151 | :initarg :attributes-getter) | |
569ad9e6 DC |
152 | (attribute-slot-map |
153 | :accessor attribute-slot-map | |
154 | :initform nil) | |
579597e3 | 155 | (global-properties |
156 | :initarg :global-properties | |
157 | :accessor global-properties | |
158 | :initform nil) | |
159 | (classes | |
160 | :initarg :classes | |
161 | :accessor classes | |
162 | :initform nil) | |
163 | (use-instance-class-p | |
164 | :initarg :use-instance-class-p | |
165 | :accessor use-instance-class-p | |
166 | :initform t) | |
167 | (initializedp :initform nil) | |
8e6e6b56 | 168 | (modifiedp :accessor modifiedp :initform nil :initarg :modifiedp) |
d1bb68e0 | 169 | (modifications :accessor modifications :initform nil))) |
579597e3 | 170 | |
579597e3 | 171 | |
172 | (defmethod attributes :around ((self mewa)) | |
173 | (let ((a (call-next-method))) | |
174 | (or a (funcall (attributes-getter self) self)))) | |
175 | ||
19531fbd | 176 | (defgeneric get-attributes (mewa)) |
177 | ||
579597e3 | 178 | (defmethod get-attributes ((self mewa)) |
179 | (if (instance self) | |
180 | (append (meta-model:list-slots (instance self)) | |
181 | (meta-model:list-has-many (instance self))) | |
182 | nil)) | |
183 | ||
579597e3 | 184 | (defmethod find-instance-classes ((self mewa)) |
185 | (mapcar #'class-name | |
186 | (it.bese.arnesi.mopp:compute-class-precedence-list (class-of (instance self))))) | |
187 | ||
188 | (defmethod find-all-attributes ((self mewa)) | |
189 | (reduce #'append | |
190 | (mapcar #'(lambda (x) | |
191 | (cdr (find-class-attributes x))) | |
192 | (classes self)))) | |
193 | ||
194 | (defun make-attribute (&rest props &key type &allow-other-keys) | |
195 | (remf props :type) | |
196 | (cons (gensym) (cons type props))) | |
197 | ||
198 | ||
199 | (defmethod find-applicable-attributes ((self mewa)) | |
200 | (let ((all-attributes (find-all-attributes self))) | |
201 | (flet ((gen-att (x) (let ((att (assoc x all-attributes))) | |
202 | (when att | |
203 | (setf (cddr att) (plist-union (global-properties self) (cddr att))) | |
204 | att)))) | |
205 | (if (attributes self) | |
206 | (remove 'nil | |
207 | (mapcar #'(lambda (x) | |
208 | (cond | |
209 | ;;simple casee | |
210 | ((symbolp x) | |
211 | (gen-att x)) | |
212 | ;;if the car is a keyword then this is an inline def | |
213 | ((and (listp x) (keywordp (car x))) | |
214 | (let ((att (apply #'make-attribute x))) | |
215 | (setf (cddr att) | |
216 | (plist-union (cddr att) (global-properties self))) | |
217 | att)) | |
218 | ;; if the plist has a :type | |
219 | ((and (listp x) (getf (cdr x) :type)) | |
220 | (let ((new (cdr (apply #'make-attribute (cdr x)))) | |
221 | (def (gen-att (car x)))) | |
222 | (setf (cdr new) (plist-union (cdr new) (cddr def))) | |
223 | (cons (car def) new))) | |
224 | ;;finally if we are just overiding the props | |
225 | ((and (listp x) (symbolp (car x))) | |
226 | (let ((new (cdr (apply #'make-attribute (cdr x)))) | |
227 | (def (gen-att (car x)))) | |
228 | (setf (cdr new) (plist-union (cdr new) (cddr def))) | |
229 | (cons (car def) (cons (second def) (cdr new))))) | |
230 | ||
231 | ) | |
232 | ) | |
233 | ||
234 | (attributes self))) | |
235 | all-attributes)))) | |
236 | ||
569ad9e6 DC |
237 | (defmethod find-slot-presentation-for-attribute ((self mewa) attribute) |
238 | (let ((class-name | |
5a4eea11 DC |
239 | (or (gethash (if (consp (second attribute)) |
240 | (car (second attribute)) | |
241 | (second attribute)) | |
242 | ucw::*slot-type-mapping*) | |
569ad9e6 DC |
243 | (error "Can't find slot type for ~A" (second attribute))))) |
244 | ||
245 | (cons (first attribute) (apply #'make-instance | |
246 | class-name | |
247 | (append (cddr attribute) (list :parent self :size 30)))))) | |
248 | ||
579597e3 | 249 | (defmethod find-slot-presentations ((self mewa)) |
569ad9e6 | 250 | (mapcar #'(lambda (a) (find-slot-presentation-for-attribute self a)) |
579597e3 | 251 | (find-applicable-attributes self))) |
252 | ||
569ad9e6 DC |
253 | (defmethod find-attribute-slot ((self mewa) (attribute symbol)) |
254 | (cdr (assoc attribute (attribute-slot-map self)))) | |
579597e3 | 255 | |
256 | (defmethod initialize-slots ((self mewa)) | |
65792e79 DC |
257 | (when (instance self) |
258 | (when (use-instance-class-p self) | |
259 | (setf (classes self) | |
260 | (append (find-instance-classes self) | |
261 | (classes self)))) | |
262 | (setf (attribute-slot-map self) (find-slot-presentations self)) | |
263 | (setf (slots self) (mapcar #'(lambda (x)(cdr x)) (attribute-slot-map self ))))) | |
579597e3 | 264 | |
19531fbd | 265 | (defmethod make-presentation ((object t) &key (type :viewer) (initargs nil)) |
266 | (let* ((p (make-instance 'mewa-object-presentation)) | |
68a53dce | 267 | (a (progn (setf (slot-value p 'ucw::instance) object) |
19531fbd | 268 | (initialize-slots p) |
269 | (assoc type (find-all-attributes p)))) | |
68a53dce | 270 | ;;;; TODO: this can be cleaned up, probably CHANGE-CLASS is better here |
5a4eea11 | 271 | (i (apply #'make-instance (or (second a) |
68a53dce DC |
272 | ;; if we didnt find the type, |
273 | ;; use the symbol as a class. | |
274 | (if (eql (symbol-package type) | |
275 | (find-package 'keyword)) | |
276 | (symbol-name type) | |
277 | type)) | |
278 | (plist-union initargs (cddr a))))) | |
19531fbd | 279 | (setf (slot-value i 'instance) object) |
2acd3ba2 | 280 | (initialize-slots i) |
281 | (setf (slot-value i 'initializedp) t) | |
19531fbd | 282 | i)) |
283 | ||
284 | ||
8e6e6b56 DC |
285 | (defmethod initialize-slots-place ((place ucw::place) (mewa mewa)) |
286 | (setf (slots mewa) (mapcar #'(lambda (x) | |
287 | (prog1 x | |
288 | (setf (component.place x) place))) | |
289 | (slots mewa)))) | |
290 | ||
68a53dce | 291 | (arnesi:defmethod/cc call-component :before ((from standard-component) (to mewa)) |
579597e3 | 292 | (unless (slot-value to 'initializedp) |
293 | (initialize-slots to)) | |
294 | (setf (slot-value to 'initializedp) t) | |
68a53dce DC |
295 | (initialize-slots-place (component.place from) to) |
296 | to) | |
297 | ||
298 | ||
579597e3 | 299 | |
300 | (defmacro call-presentation (object &rest args) | |
ae09804a | 301 | `(present-object ,object :presentation (make-presentation ,object ,@args))) |
302 | ||
4e2ecf69 DC |
303 | |
304 | (defcomponent about-dialog (option-dialog) | |
305 | ((body :initarg :body))) | |
306 | ||
307 | (defmethod render-on ((res response) (self about-dialog)) | |
d75822e6 DC |
308 | (call-next-method) |
309 | (render-on res (slot-value self 'body))) | |
4e2ecf69 | 310 | |
8e6e6b56 DC |
311 | |
312 | (defmethod instance-is-stored-p ((instance clsql:standard-db-object)) | |
569ad9e6 DC |
313 | (slot-value instance 'clsql-sys::view-database)) |
314 | ||
315 | (defmethod instance-is-stored-p ((mewa mewa)) | |
316 | (instance-is-stored-p (instance mewa))) | |
8e6e6b56 | 317 | |
ae09804a | 318 | (defaction cancel-save-instance ((self mewa)) |
1679abef | 319 | (cond |
8e6e6b56 | 320 | ((instance-is-stored-p (instance self)) |
1679abef | 321 | (meta-model::update-instance-from-records (instance self)) |
322 | (answer self)) | |
323 | (t (answer nil)))) | |
ae09804a | 324 | |
325 | (defaction save-instance ((self mewa)) | |
7129498f | 326 | (meta-model:sync-instance (instance self)) |
8e6e6b56 DC |
327 | (setf (modifiedp self) nil) |
328 | (answer self)) | |
ae09804a | 329 | |
330 | ||
12dcf3d4 | 331 | (defaction ensure-instance-sync ((self mewa)) |
ae09804a | 332 | (when (modifiedp self) |
8e6e6b56 | 333 | (let ((message (format nil "Record has been modified, Do you wish to save the changes?"))) |
4e2ecf69 DC |
334 | (case (call 'about-dialog |
335 | :body (make-presentation (instance self) | |
336 | :type :viewer) | |
ae09804a | 337 | :message message |
338 | :options '((:save . "Save changes to Database") | |
339 | (:cancel . "Cancel all changes"))) | |
340 | (:cancel | |
341 | (cancel-save-instance self)) | |
342 | (:save | |
12dcf3d4 | 343 | (save-instance self)))))) |
ae09804a | 344 | |
e8e743d7 | 345 | (defaction ok ((self mewa) &optional arg) |
346 | "Returns the component if it has not been modified. if it has been, prompt user to save or cancel" | |
68a53dce DC |
347 | ;(declare (ignore arg)) |
348 | (meta-model::sync-instance (instance self)) | |
349 | (answer (instance self))) | |
e8e743d7 | 350 | |
ae09804a | 351 | (defmethod (setf presentation-slot-value) :around (value (slot slot-presentation) instance) |
352 | (let* ((old (prog1 | |
353 | (presentation-slot-value slot instance) | |
354 | (call-next-method))) | |
355 | (new (presentation-slot-value slot instance))) | |
356 | ||
357 | (unless (equal new old ) | |
358 | (let ((self (ucw::parent slot))) | |
359 | (setf (modifiedp self) instance | |
4e2ecf69 | 360 | (modifications self) (append (list new old value slot instance) (modifications self))))))) |
233380f7 | 361 | |
ab7ef8e9 DC |
362 | ;;;; * Finally set up some defaults |
363 | ||
364 | (setf (find-attribute t :viewer) | |
365 | '(mewa-object-presentation :global-properties (:editablep nil)) | |
366 | (find-attribute t :editor) | |
367 | '(mewa-object-presentation :global-properties (:editablep t)) | |
65792e79 DC |
368 | (find-attribute t :creator) |
369 | '(mewa-object-presentation :global-properties (:editablep t)) | |
ab7ef8e9 | 370 | (find-attribute t :one-line) |
65792e79 | 371 | '(mewa-one-line-presentation) |
ab7ef8e9 | 372 | (find-attribute t :listing) |
65792e79 DC |
373 | '(mewa-list-presentation :global-properties (:editablep nil) :editablep t) |
374 | (find-attribute t :search-model) | |
ab7ef8e9 DC |
375 | '(mewa-object-presentation)) |
376 | ||
377 | ||
378 | ||
379 | ||
233380f7 | 380 | |
381 | ;; This software is Copyright (c) Drew Crampsie, 2004-2005. | |
382 | ;; You are granted the rights to distribute | |
383 | ;; and use this software as governed by the terms | |
384 | ;; of the Lisp Lesser GNU Public License | |
385 | ;; (http://opensource.franz.com/preamble.html), | |
386 | ;; known as the LLGPL. |