26a333255e128ca37d313549ac13274c5baf513b
[clinton/lisp-on-lines.git] / src / mewa / slot-presentations.lisp
1 (in-package :it.bese.ucw)
2
3 (defun multiple-value-funcall->list (function &rest args)
4 (multiple-value-call #'list (apply function args)))
5
6 (defmacro multiple-value-bindf (vars form &body body)
7 `(destructuring-bind ,vars
8 (multiple-value-funcall->list #',(car form) ,@(cdr form))
9 ,@body))
10
11 (defslot-presentation mewa-boolean-slot-presentation (boolean-slot-presentation)
12 ((slot-name :accessor slot-name :initarg :slot-name))
13 (:type-name mewa-boolean))
14
15 (defslot-presentation mewa-string-slot-presentation (string-slot-presentation )
16
17 ((slot-name :accessor slot-name :initarg :slot-name))
18 (:type-name mewa-string))
19
20 (defslot-presentation mewa-number-slot-presentation (number-slot-presentation)
21 ((slot-name :accessor slot-name :initarg :slot-name))
22 (:type-name mewa-number))
23
24 (defslot-presentation mewa-integer-slot-presentation (integer-slot-presentation)
25 ((slot-name :accessor slot-name :initarg :slot-name))
26 (:type-name mewa-integer))
27
28 (defslot-presentation mewa-currency-slot-presentation (currency-slot-presentation)
29
30 ((slot-name :accessor slot-name :initarg :slot-name))
31 (:type-name mewa-currency))
32
33 (defslot-presentation clsql-wall-time-slot-presentation (mewa-relation-slot-presentation)
34 ()
35 (:type-name clsql-sys:wall-time))
36
37 (defmethod presentation-slot-value ((slot clsql-wall-time-slot-presentation) instance)
38 (let ((date (call-next-method)))
39 (when date (multiple-value-bind (y m d) (clsql:time-ymd date)
40 (format nil "~a/~a/~a" m d y)))))
41
42 (defmethod (setf presentation-slot-value) ((value string) (slot clsql-wall-time-slot-presentation) instance)
43 (let ((new-time (clsql:parse-date-time (remove #\Space value)))
44 (old-time (when (slot-boundp instance (slot-name slot))
45 (slot-value instance (slot-name slot)))))
46 (unless (or (eql old-time new-time)
47 (and (null old-time) new-time)
48 (equal :equal (clsql:time-compare new-time old-time)))
49 (setf (presentation-slot-value slot instance) new-time ))))
50
51 (defmethod label :around ((slot clsql-wall-time-slot-presentation))
52 (concatenate 'string (call-next-method) " (mm/dd/yyyy)"))
53
54 (defmethod present-slot ((slot clsql-wall-time-slot-presentation) instance)
55 (let ((date (presentation-slot-value slot instance))
56 (input-id (string (gensym))))
57 (if (and date (not (editablep slot)))
58 (<:span (<:as-html date)))
59 (when (editablep slot)
60 (<ucw:input :accessor (presentation-slot-value slot instance) :id input-id)
61 (<:script :type "text/javascript"
62 (<:as-is (format nil "
63 Calendar.setup({
64 inputField : \"~a\",
65 ifFormat : \"%m/%d/%Y\",
66 });" input-id))))))
67
68 (defslot-presentation mewa-relation-slot-presentation ()
69 ((slot-name :accessor slot-name :initarg :slot-name)
70 (foreign-instance :accessor foreign-instance)
71 (linkedp :accessor linkedp :initarg :linkedp :initform t))
72 (:type-name relation))
73
74 (defun get-fkey-data (instance slot-name)
75 "ugly workaround b/c UCW does not like M-V-B"
76 (multiple-value-bind (finstance foreign-slot-name)
77 (meta-model:explode-foreign-key instance slot-name)
78 (cons finstance foreign-slot-name)))
79
80 (defaction search-records ((slot mewa-relation-slot-presentation) instance)
81 (let* ((d (get-fkey-data instance (slot-name slot)))
82 (finstance (car d))
83 (foreign-slot-name (cdr d))
84 (new-instance
85 (call-component
86 (parent slot)
87 (make-instance (or (cadr (mewa:find-attribute finstance :presentation-search))
88 'mewa::mewa-presentation-search)
89 :search-presentation
90 (mewa:make-presentation finstance
91 :type :search-presentation)
92 :list-presentation
93 (mewa:make-presentation finstance
94 :type :listing)))))
95 (setf (slot-value instance (slot-name slot)) (slot-value new-instance foreign-slot-name))
96 (meta-model:sync-instance instance)))
97
98 (defmethod present-relation ((slot mewa-relation-slot-presentation) instance)
99 ;;;;(<:as-html (slot-name slot) "=> " (foreign-instance slot) " from " instance )
100 (let* ((i (foreign-instance slot))
101 (pres (mewa::make-presentation
102 i
103 :type :one-line
104 :initargs (list
105 :global-properties
106 (list :editablep nil :linkedp nil)))))
107 (when (and (ucw::parent slot) (slot-boundp slot 'ucw::place))
108 (setf (component.place pres) (component.place (ucw::parent slot))))
109 (when i (<ucw:render-component :component pres))))
110
111
112
113 (defmethod present-slot ((slot mewa-relation-slot-presentation) instance)
114 (present-relation slot instance))
115
116 (defslot-presentation foreign-key-slot-presentation (mewa-relation-slot-presentation)
117 ()
118 (:type-name foreign-key)
119 (:default-initargs))
120
121 (defaction view-instance ((self component) instance &rest initargs)
122 (call-component (parent self) (apply #'mewa:make-presentation instance initargs)))
123
124
125 (defmethod present-slot :around ((slot foreign-key-slot-presentation) instance)
126 (setf (foreign-instance slot) (when (presentation-slot-value slot instance) (meta-model:explode-foreign-key instance (slot-name slot))))
127 (flet ((render () (call-next-method)))
128 (cond
129 ((editablep slot)
130 (render)
131 (<ucw:a :action (search-records slot instance) (<:as-html " (search)"))
132 (<ucw:a :action (create-record slot instance) (<:as-html " (new)")))
133 ((linkedp slot)
134 (<ucw:a :action (view-instance slot (foreign-instance slot))
135 (render)))
136 (t
137 (render)))))
138
139 ;;;; HAS MANY
140 (defslot-presentation has-many-slot-presentation (mewa-relation-slot-presentation)
141 ()
142 (:type-name has-many))
143
144
145 (defun get-join-class-info (slot instance)
146 "hack around m-v-b"
147 (multiple-value-bind (s h f) (meta-model:explode-has-many instance (slot-name slot))
148 (list s h f)))
149
150 (defaction add-to-has-many ((slot has-many-slot-presentation) instance)
151 (destructuring-bind (class home foreign)
152 (multiple-value-funcall->list #'meta-model:explode-has-many instance (slot-name slot))
153 (let ((new (make-instance class)))
154 (setf (slot-value new foreign) (slot-value instance home))
155 (meta-model:sync-instance new :fill-gaps-only t)
156 (call-component (parent slot) (mewa:make-presentation new :type :editor)))))
157
158 (defmethod present-slot ((slot has-many-slot-presentation) instance)
159 (<ucw:a :action (add-to-has-many slot instance)
160 (<:as-html "(add new)"))
161 (let ((i (get-foreign-instances slot instance))
162 (linkedp (linkedp slot)))
163 (<:ul
164 (dolist (s i)
165 (let ((s s))
166 (setf (foreign-instance slot) s)
167 (<ucw:a :action (view-instance slot s :initargs `(:global-properties ,(list :linkedp t :editablep nil)))
168 (<:li (setf (linkedp slot) nil)
169 (present-relation slot instance))))))))
170
171
172 (defmethod get-foreign-instances ((slot has-many-slot-presentation) instance)
173 (slot-value instance (slot-name slot)))
174
175 (defslot-presentation has-very-many-slot-presentation (has-many-slot-presentation)
176 ((number-to-display :accessor number-to-display :initarg :number-to-display :initform 10)
177 (current :accessor current :initform 0)
178 (len :accessor len )
179 (instances :accessor instances))
180
181 (:type-name has-very-many))
182
183 (defmethod list-next ((slot has-very-many-slot-presentation))
184 (setf (current slot) (incf (current slot) (number-to-display slot)))
185 (when (< (len slot) (current slot))
186 (setf (current slot) (- (number-to-display slot) (len slot)))))
187
188 (defmethod list-prev ((slot has-very-many-slot-presentation))
189 (setf (current slot) (decf (current slot) (number-to-display slot)))
190 (when (> 0 (current slot))
191 ;;what to do here is open to debate
192 (setf (current slot) (- (len slot)(number-to-display slot) ))))
193
194
195 (defmethod present-slot ((slot has-very-many-slot-presentation) instance)
196 ;;(<:as-html "isance: " instance)
197 (<ucw:a :action (list-prev slot) (<:as-html "<<"))
198 (let ((self (parent slot)))
199 (<ucw:a :action (call-component self (mewa:make-presentation (car (slot-value instance (slot-name slot))) :type :listing :initargs (list :instances (instances slot))))
200 (<:as-html (label slot) (format nil " ~a-~a " (current slot) (+ (current slot) (number-to-display slot))))))
201 (<ucw:a :action (list-next slot) (<:as-html ">>"))
202 (call-next-method)
203 (<:as-html "total :" (len slot)))
204
205 (defmethod get-foreign-instances :around ((slot has-very-many-slot-presentation) instance)
206 (let ((f (call-next-method)))
207 (setf (len slot) (length f))
208 (setf (instances slot) f)
209 (loop for cons on (nthcdr (current slot) f)
210 for i from 0 upto (number-to-display slot)
211 collect (car cons))))
212
213 (defslot-presentation has-a-slot-presentation (one-of-presentation)
214 ((key :initarg :key :accessor key))
215 (:type-name has-a))
216
217 (defmethod get-foreign-slot-value ((slot has-a-slot-presentation) (object t) (slot-name t))
218 (slot-value object slot-name))
219
220 (defmethod present-slot ((slot has-a-slot-presentation) instance)
221 (<:as-html (presentation-slot-value slot instance))
222 (if (editablep slot)
223 (<ucw:select :accessor (presentation-slot-value slot instance) :test #'equalp
224 (when (allow-nil-p slot)
225 (<ucw:option :value nil (<:as-html (none-label slot))))
226 (dolist (option (get-foreign-instances (presentation slot) instance))
227 (setf (instance (presentation slot)) option)
228 (<ucw:option :value (get-foreign-slot-value slot option (key slot)) (present (presentation slot)))))
229 (if (presentation-slot-value slot instance)
230 (progn
231 (setf (instance (presentation slot)) (presentation-slot-value slot instance))
232 (present (presentation slot)))
233 (<:as-html "--"))))