-
Notifications
You must be signed in to change notification settings - Fork 0
/
editableTable.ur
249 lines (213 loc) · 10.7 KB
/
editableTable.ur
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
open Bootstrap3
type permission = {Add : bool,
Delete : bool,
Modify : bool}
functor Make(M : sig
con fs :: {(Type * Type * Type)}
val widgets : $(map Widget.t' fs)
table tab : $(map fst3 fs)
val fl : folder fs
val eqs : $(map eq (map fst3 fs))
val ords : $(map ord (map fst3 fs))
val injs : $(map sql_injectable (map fst3 fs))
val labels : $(map (fn _ => string) fs)
val permission : transaction permission
val onAdd : $(map fst3 fs) -> transaction unit
val onDelete : $(map fst3 fs) -> transaction unit
val onModify : {Old : $(map fst3 fs), New : $(map fst3 fs)} -> transaction unit
end) = struct
open M
con data = $(map fst3 fs)
con state = $(map snd3 fs)
con config = $(map thd3 fs)
val eq_data : eq data = @@Record.eq [map fst3 fs] eqs (@@Folder.mp [fst3] [_] fl)
val ord_data : ord data = @@Record.ord [map fst3 fs] ords (@@Folder.mp [fst3] [_] fl)
datatype action =
ADD of data
| DEL of data
| MOD of { Old : data, New : data }
table listeners : { Channel : channel action }
type row = { Editing : source (option state),
Content : data }
type a = { Config : config,
Perm : permission,
Rows : source (list row),
ToAdd : state,
Channel : channel action }
val freshRow = @Monad.mapR2 _ [Widget.t'] [thd3] [snd3]
(fn [nm ::_] [p ::_] (w : Widget.t' p) => @Widget.create w) fl widgets
val initRow = @Monad.mapR3 _ [Widget.t'] [thd3] [fst3] [snd3]
(fn [nm ::_] [p ::_] (w : Widget.t' p) => @Widget.initialize w)
fl widgets
val rowOut = @Monad.mapR2 _ [Widget.t'] [snd3] [fst3]
(fn [nm ::_] [p ::_] (w : Widget.t' p) (v : snd3 p) =>
current (@Widget.value w v))
fl widgets
val create =
perm <- permission;
config <- @Monad.mapR _ [Widget.t'] [thd3]
(fn [nm ::_] [p ::_] (w : Widget.t' p) => @Widget.configure w) fl widgets;
toAdd <- freshRow config;
rows <- List.mapQueryM (SELECT *
FROM tab
ORDER BY {{{@Sql.order_by (@@Folder.mp [fst3] [_] fl)
(@@Sql.some_fields [#Tab] [map fst3 fs] [[]] [[]] [[]] [[]] ! !
(@@Folder.mp [fst3] [_] fl)) sql_asc}}})
(fn r =>
editing <- source None;
return {Editing = editing,
Content = r.Tab});
rows <- source rows;
chan <- channel;
dml (INSERT INTO listeners(Channel) VALUES ({[chan]}));
return {Config = config,
Perm = perm,
Rows = rows,
ToAdd = toAdd,
Channel = chan}
fun onload a =
let
fun loop () =
msg <- recv a.Channel;
(case msg of
ADD d =>
rows <- get a.Rows;
editing <- source None;
set a.Rows (List.sort (fn a b => a.Content > b.Content)
({Editing = editing,
Content = d}
:: rows))
| DEL d =>
rows <- get a.Rows;
set a.Rows (List.filter (fn a => a.Content <> d) rows)
| MOD d =>
rows <- get a.Rows;
editing <- source None;
set a.Rows (List.sort (fn a b => a.Content > b.Content)
(List.mp (fn a =>
if a.Content = d.Old then
{Editing = editing,
Content = d.New}
else
a) rows)));
loop ()
in
spawn (loop ())
end
fun add r =
perm <- permission;
(if perm.Add then
return ()
else
error <xml>Don't have permission to add row</xml>);
@@Sql.easy_insert [map fst3 fs] [_] injs (@@Folder.mp [fst3] [_] fl) tab r;
queryI1 (SELECT * FROM listeners)
(fn x => send x.Channel (ADD r));
onAdd r
fun del r =
perm <- permission;
(if perm.Delete then
return ()
else
error <xml>Don't have permission to delete row</xml>);
dml (DELETE FROM tab
WHERE {@@Sql.easy_where [#T] [map fst3 fs] [[]] [[]] [[]] [[]] ! !
injs (@@Folder.mp [fst3] [_] fl) r});
queryI1 (SELECT * FROM listeners)
(fn x => send x.Channel (DEL r));
onDelete r
fun mod r =
perm <- permission;
(if perm.Modify then
return ()
else
error <xml>Don't have permission to modify row</xml>);
dml (@@update [[]] [_] [map fst3 fs] !
(@map2 [fn p => sql_injectable p.1] [fst3] [fn p => sql_exp _ _ _ p.1]
(fn [p] => @sql_inject)
fl injs r.New)
tab
(@@Sql.easy_where [#T] [map fst3 fs] [[]] [[]] [[]] [[]] ! !
injs (@@Folder.mp [fst3] [_] fl) r.Old));
queryI1 (SELECT * FROM listeners)
(fn x => send x.Channel (MOD r));
onModify r
fun render ctx a = <xml>
<table class="bs3-table table-striped">
<tr>
<th/>
{@mapX [fn _ => string] [tr]
(fn [nm ::_] [p ::_] [r ::_] [[nm] ~ r] (s : string) => <xml><th>{[s]}</th></xml>)
fl labels}
</tr>
<dyn signal={rs <- signal a.Rows;
return (List.mapX (fn r => <xml><tr>
<dyn signal={ed <- signal r.Editing;
return (case ed of
None => <xml>
<td>
{if a.Perm.Delete then
Ui.modalButton ctx (CLASS "btn glyphicon glyphicon-remove")
<xml/>
(return (Ui.modal
(rpc (del r.Content))
<xml>Are you sure you want to delete this row?</xml>
<xml/>
<xml>Yes!</xml>))
else
<xml/>}
{if a.Perm.Modify then <xml>
<button class="btn glyphicon glyphicon-pencil"
onclick={fn _ =>
fr <- initRow a.Config r.Content;
set r.Editing (Some fr)}/>
</xml> else
<xml/>}
</td>
{@mapX2 [Widget.t'] [fst3] [_]
(fn [nm ::_] [p ::_] [r ::_] [[nm] ~ r]
(w : Widget.t' p) (v : fst3 p) =>
<xml><td>{@Widget.asValue w v}</td></xml>)
fl widgets r.Content}
</xml>
| Some ws => <xml>
<td>
<button class="btn glyphicon glyphicon-ok"
onclick={fn _ =>
vs <- rowOut ws;
set r.Editing None;
rpc (mod {Old = r.Content,
New = vs})}/>
<button class="btn glyphicon glyphicon-remove"
onclick={fn _ => set r.Editing None}/>
</td>
{@mapX2 [Widget.t'] [snd3] [_]
(fn [nm ::_] [p ::_] [r ::_] [[nm] ~ r]
(w : Widget.t' p) (v : snd3 p) =>
<xml><td>{@Widget.asWidget w v None}</td></xml>)
fl widgets ws}
</xml>)}/>
</tr></xml>) rs)}/>
{if a.Perm.Add then
<xml>
<tr/>
<tr>
<th><button value="Add:"
class="btn btn-primary"
onclick={fn _ =>
r <- rowOut a.ToAdd;
rpc (add r)}/></th>
{@mapX2 [Widget.t'] [snd3] [_]
(fn [nm ::_] [p ::_] [r ::_] [[nm] ~ r] (w : Widget.t' p) (v : snd3 p) =>
<xml><td>{@Widget.asWidget w v None}</td></xml>)
fl widgets a.ToAdd}
</tr>
</xml>
else
<xml/>}
</table>
</xml>
val ui = {Create = create,
Onload = onload,
Render = render}
end