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m-examn.mkiv /size: 16 Kb last modification: 2020-07-01 14:35
1%D \module
2%D   [       file=m-examn,
3%D        version=2000.01.29,
4%D          title=\CONTEXT\ Extra Modules,
5%D       subtitle=Testing and Examination,
6%D         author=Hans Hagen,
7%D           date=\currentdate,
8%D      copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
9%C
10%C This module is part of the \CONTEXT\ macro||package and is
11%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
12%C details.
13
14%D This is a pretty old style, written in 2000 so after 20 years it's time to check
15%D if it works with \MKIV. The original version looks mostly the same as below and
16%D runs ok with \MKII. The differences are in not using percent sign triggered
17%D comments in the \JAVASCRIPT\ section (that was dropped), using \type {Yes}
18%D instead of \type {On} as field value (because in those decades the \type {On}
19%D value has proven to be fragile (maybe because of some hard coded \type {Yes}
20%D checking). The macros lost \type {\long}, became \type {\unexpanded} and were
21%D reformatted.
22%D
23%D If there is really demand for this I'll do a more major update. I see no reason
24%D to change the 2000 \MKII\ logic now.
25
26% n         number of permitted answers
27% answer  (set of) right answer(s) (one or list)
28% weight    weight of the answer(s) (one or list)
29% method    calculation method, for the moment 1
30
31% hidden = true -> display = display.hidden
32
33% disguise methods, numbers and meaning secret
34% randomizing answers
35% allert will be a properly typeset message
36% all checkfields instead of radio, gives more control
37
38\unprotect
39
40\def
\c!answer
  {
answer
}
41\def
\c!question
{
question
}
42\def
\c!weight
  {
weight
}
43
44\startJSpreamble
 {
mpc
}
 used
 now
45
46    var
 RealTimeMode
    =
 false
 ;
47    var
 FeedBackMode
    =
 false
 ;
48    var
 CurrentFeedback
 =
 -
1
 ;
49
50    var
 MPCnames
   =
 new
 Array
(
)
 ;
51    var
 MPCanswers
 =
 new
 Array
(
)
 ;
52    var
 MPCnumbers
 =
 new
 Array
(
)
 ;
53    var
 MPCweights
 =
 new
 Array
(
)
 ;
54    var
 MPCmethods
 =
 new
 Array
(
)
 ;
55    var
 MPCerrors
  =
 new
 Array
(
)
 ;
56
57    function
 Warning
 (
str
)
 {
58        app
.
alert
(
"
warning
:
 "
 +
 str
)
59    }
60
61    function
 FieldYN
 (
name
,
n
)
 {
62        return
 this
.
getField
(
name
 +
 "
:
"
 +
 n
 +
 "
:
yn
"
)
63    }
64
65    function
 FieldRW
 (
name
,
n
)
 {
66        return
 this
.
getField
(
name
 +
 "
:
"
 +
 n
 +
 "
:
rw
"
)
67    }
68
69    function
 NOfFields
 (
name
)
 {
70        var
 nof
 =
 1
 ;
71        while
 (
FieldYN
(
name
,
nof
)
)
 {
72            +
+
nof
73        }
74        return
 -
-
nof
75    }
76
77    function
 SetScore
 (
score
,
total
)
 {
78        mpcs
 =
 this
.
getField
(
"
mpc
-
score
"
)
 ;
79        mpct
 =
 this
.
getField
(
"
mpc
-
total
"
)
 ;
80        mpcp
 =
 this
.
getField
(
"
mpc
-
percent
"
)
 ;
81        if
 (
RealTimeMode
)
 {
82            var
 percent
 =
 0
 ;
83            if
 (
Number
(
total
)
 >
 0
)
 {
84                percent
 =
 Math
.
round
(
1
0
0
.
0
 *
 (
Number
(
score
)
 /
 Number
(
total
)
)
)
85            }
86            if
 (
mpcs
)
 {
87                mpcs
.
value
 =
 score
88            }
89            if
 (
mpct
)
 {
90                mpct
.
value
 =
 total
91            }
92            if
 (
mpcp
)
 {
93                mpcp
.
value
 =
 percent
94            }
95        }
 else
 {
96            if
 (
mpcs
)
 {
97                mpcs
.
value
 =
 "
"
98            }
99            if
 (
mpct
)
 {
100                mpct
.
value
 =
 "
"
101            }
102            if
 (
mpcp
)
 {
103                mpcp
.
value
 =
 "
"
104            }
105        }
106        this
.
dirty
 =
 false
107    }
108
109    function
 CheckMPCmode
 (
)
 {
110        mpcr
 =
 this
.
getField
(
"
mpc
-
realtime
"
)
 ;
111        if
 (
mpcr
)
 {
112            RealTimeMode
 =
 (
mpcr
.
value
 =
=
 "
Yes
"
)
113        }
114        CheckScore
(
)
 ;
115        this
.
dirty
 =
 false
116    }
117
118    function
 DefineMPC
 (
name
,
 answer
,
 number
,
 weight
,
 method
)
 {
119        SetScore
(
0
,
0
)
 ;
120        MPCnames
[
MPCnames
.
length
]
 =
 name
 ;
121        if
 (
answer
=
=
"
"
)
 {
122            MPCanswers
[
name
]
 =
 "
0
"
123        }
 else
 {
124            MPCanswers
[
name
]
 =
 answer
125        }
126        if
 (
number
=
=
"
"
)
 {
127            MPCnumbers
[
name
]
 =
 "
0
"
128        }
 else
 {
129            MPCnumbers
[
name
]
 =
 number
130        }
131        if
 (
weight
=
=
"
"
)
 {
132            MPCweights
[
name
]
 =
 "
0
"
133        }
 else
 {
134            MPCweights
[
name
]
 =
 weight
135        }
136        if
 (
method
=
=
"
"
)
 {
137            MPCmethods
[
name
]
 =
 "
0
"
138        }
 else
 {
139            MPCmethods
[
name
]
 =
 method
140        }
141    }
142
143    function
 CheckScore
 (
)
 {
144        var
 score
 =
 0
 ;
145        var
 total
 =
 0
 ;
146        var
 ok
 =
 false
 ;
147        for
 (
var
 i
=
0
;
i
<
MPCnames
.
length
;
i
+
+
)
 {
148            var
 name
 =
 MPCnames
[
i
]
 ;
149            var
 answer
 =
 MPCanswers
[
name
]
 ;
150            var
 number
 =
 Number
(
MPCnumbers
[
name
]
)
 ;
151            var
 weight
 =
 MPCweights
[
name
]
 ;
152            var
 method
 =
 MPCmethods
[
name
]
 ;
153            var
 fields
 =
 Number
(
NOfFields
(
name
)
)
 ;
154            var
 answers
 =
 answer
.
split
(
"
,
"
)
 ;
155            var
 weights
 =
 weight
.
split
(
"
,
"
)
 ;
156            var
 sorted
 =
 weight
.
split
(
"
,
"
)
 ;
157            sorted
 =
 sorted
.
sort
(
)
 ;
158            sorted
 =
 sorted
.
reverse
(
)
 ;
159            for
 (
var
 k
 =
 0
;
 k
 <
 number
;
 k
+
+
)
 {
160                if
 (
weights
.
length
 <
 answers
.
length
)
 {
161                    total
 +
=
 Number
(
weight
)
162                }
 else
 {
163                    total
 +
=
 Number
(
sorted
[
k
]
)
164                }
165            }
166            for
 (
var
 j
 =
 1
;
 j
 <
=
 fields
;
 j
+
+
)
 {
167                if
 (
FeedBackMode
)
 {
168                    ok
 =
 (
!
 FieldRW
(
name
,
j
)
.
hidden
 &
&
 (
FieldRW
(
name
,
j
)
.
value
 =
=
 "
Yes
"
)
)
169                }
 else
 {
170                    ok
 =
 (
FieldYN
(
name
,
j
)
.
value
 =
=
 "
Yes
"
)
171                }
172                if
 (
ok
)
 {
173                    for
 (
var
 k
 =
 0
;
 k
 <
 answers
.
length
;
 k
+
+
)
 {
174                        if
 (
Number
(
answers
[
k
]
)
 =
=
 j
)
 {
175                            if
 (
weights
.
length
 <
 answers
.
length
)
 {
176                                score
 +
=
 Number
(
weight
)
177                            }
 else
 {
178                                score
 +
=
 Number
(
weights
[
k
]
)
179                            }
180                        }
181                    }
182                }
183            }
184        }
185        CurrentFeedback
 =
 -
1
 ;
186        SetScore
(
score
,
total
)
187    }
188
189    function
 CalculateItems
 (
)
 {
190        CheckScore
(
)
 ;
191        for
 (
var
 i
 =
 0
;
i
 <
 MPCnames
.
length
;
 i
+
+
)
 {
192            var
 name
 =
 MPCnames
[
i
]
 ;
193            var
 answer
 =
 MPCanswers
[
name
]
 ;
194            var
 fields
 =
 Number
(
NOfFields
(
name
)
)
 ;
195            var
 answers
 =
 answer
.
split
(
"
,
"
)
 ;
196            for
 (
var
 j
 =
 1
;
 j
 <
=
 fields
;
 j
+
+
)
 {
197                FieldRW
(
name
,
j
)
.
hidden
 =
 true
 ;
198                FieldRW
(
name
,
j
)
.
readonly
 =
 true
 ;
199                FieldRW
(
name
,
j
)
.
value
 =
 "
Off
"
 ;
200                FieldYN
(
name
,
j
)
.
readonly
 =
 true
 ;
201                if
 (
FieldYN
(
name
,
j
)
.
value
=
=
"
Off
"
)
 {
202                    for
 (
var
 k
 =
 0
;
 k
 <
 answers
.
length
;
 k
+
+
)
 {
203                        if
 (
Number
(
answers
[
k
]
)
 =
=
 j
)
 {
204                            FieldYN
(
name
,
j
)
.
value
 =
 "
Yes
"
205                        }
206                    }
207                }
 else
 {
208                    FieldRW
(
name
,
j
)
.
hidden
 =
 false
 ;
209                    for
 (
var
 k
 =
 0
;
 k
 <
 answers
.
length
;
 k
+
+
)
 {
210                        if
 (
Number
(
answers
[
k
]
)
 =
=
 j
)
 {
211                            FieldRW
(
name
,
j
)
.
value
 =
 "
Yes
"
212                        }
213                    }
214                }
215            }
216            var
 SomeW
 =
 false
 ;
217            var
 SomeRW
 =
 false
 ;
218            for
 (
var
 j
 =
 1
;
 j
 <
=
 fields
;
 j
+
+
)
 {
219                if
 (
!
 FieldRW
(
name
,
j
)
.
hidden
)
 {
220                    SomeRW
 =
 true
 ;
221                    if
 (
FieldRW
(
name
,
j
)
.
value
 =
=
 "
Off
"
)
 {
222                        SomeW
 =
 true
223                    }
224                }
225            }
226            MPCerrors
[
name
]
 =
 (
SomeW
 |
|
 (
!
 SomeRW
)
)
 ;
227        }
228        CurrentFeedback
 =
 -
1
 ;
229        FeedBackMode
 =
 true
 ;
230        this
.
dirty
 =
 false
231    }
232
233    function
 ResetItems
 (
)
 {
234        for
 (
var
 i
 =
 0
;
 i
 <
 MPCnames
.
length
;
 i
+
+
)
 {
235            var
 name
 =
 MPCnames
[
i
]
 ;
236            var
 fields
 =
 Number
(
NOfFields
(
name
)
)
 ;
237            for
 (
var
 j
 =
 1
;
 j
 <
=
 fields
;
 j
+
+
)
 {
238                FieldRW
(
name
,
j
)
.
hidden
 =
 true
 ;
239                FieldYN
(
name
,
j
)
.
hidden
 =
 false
 ;
240                FieldYN
(
name
,
j
)
.
readonly
 =
 false
 ;
241                FieldYN
(
name
,
j
)
.
value
 =
 "
Off
"
 ;
242                SetScore
(
0
,
0
)
243            }
244        }
245        CurrentFeedback
 =
 -
1
 ;
246        FeedBackMode
 =
 false
 ;
247        this
.
dirty
 =
 false
248    }
249
250    function
 CheckMPCone
 (
name
,
 number
)
 {
251        nofitems
 =
 Number
(
NOfFields
(
name
)
)
 ;
252        for
 (
var
 i
 =
 1
;
 i
 <
=
 nofitems
;
 i
+
+
)
 {
253            if
 (
i
 !
=
 Number
(
number
)
)
 {
254                FieldYN
(
name
,
i
)
.
value
 =
 "
Off
"
255            }
256        }
257    }
258
259    function
 CheckMPCmore
 (
name
,
 number
)
 {
260        var
 nofitems
 =
 Number
(
NOfFields
(
name
)
)
 ;
261        var
 currentnumber
 =
 0
 ;
262        for
 (
var
 i
 =
 1
;
 i
 <
=
 nofitems
;
 i
+
+
)
 {
263            if
 (
FieldYN
(
name
,
i
)
.
value
 =
=
 "
Yes
"
)
 {
264                +
+
currentnumber
265            }
266        }
267        if
 (
currentnumber
>
Number
(
MPCnumbers
[
name
]
)
)
 {
268            Warning
(
"
only
 "
 +
 MPCnumbers
[
name
]
 +
 "
 choices
 permitted
"
)
 ;
269            var
 v
 =
 FieldYN
(
name
,
number
)
 ;
270            if
 (
v
.
value
 =
=
 "
Yes
"
)
 {
271                v
.
value
 =
 "
Off
"
272            }
273        }
274    }
275
276    function
 CheckMPC
 (
name
,
 number
)
 {
277        if
 (
!
 FeedBackMode
)
 {
278            if
 (
MPCnumbers
[
name
]
 =
=
 1
)
 {
279                CheckMPCone
(
name
,
number
)
280            }
 else
 {
281                CheckMPCmore
(
name
,
number
)
282            }
283            if
 (
RealTimeMode
)
 {
284                CheckScore
(
)
285            }
 else
 {
286                SetScore
(
0
,
0
)
287            }
288        }
 else
 {
289            SetScore
(
0
,
0
)
290        }
291    }
292
293    function
 GoneToFeedback
 (
)
 {
294        var
 name
 =
 MPCnames
[
CurrentFeedback
]
 ;
295        if
 (
MPCerrors
[
name
]
)
 {
296            console
.
println
(
"
feedback
:
"
 +
 name
)
 ;
297            this
.
gotoNamedDest
(
"
feedback
:
"
 +
 name
)
 ;
298            return
 true
299        }
 else
 {
300            return
 false
301        }
302    }
303
304    function
 NextFeedback
 (
)
 {
305        +
+
CurrentFeedback
 ;
306        while
 (
CurrentFeedback
 <
 MPCnames
.
length
)
 {
307            if
 (
GoneToFeedback
(
)
)
 {
308                return
309            }
 else
 {
310                +
+
CurrentFeedback
311            }
312        }
313        CurrentFeedback
 =
 0
 ;
314        while
 (
CurrentFeedback
 <
 MPCnames
.
length
)
 {
315            if
 (
GoneToFeedback
(
)
)
 {
316                return
317            }
 else
 {
318                +
+
CurrentFeedback
319            }
320        }
321        CurrentFeedback
 =
 -
1
322    }
323
324    function
 PreviousFeedback
 (
)
 {
325        -
-
CurrentFeedback
 ;
326        while
 (
CurrentFeedback
 >
=
 0
)
 {
327            if
 (
GoneToFeedback
(
)
)
 {
328                return
329            }
 else
 {
330                -
-
CurrentFeedback
331            }
332        }
333        CurrentFeedback
 =
 MPCnames
.
length
 ;
334        while
 (
CurrentFeedback
 >
=
 0
)
  {
335            if
 (
GoneToFeedback
(
)
)
 {
336                return
337            }
 else
 {
338                -
-
CurrentFeedback
339            }
340        }
341        CurrentFeedback
 =
 MPCnames
.
length
 +
 1
342    }
343
344\stopJSpreamble
345
346\definecolor
[
clickMPCcolor
]
[
blue
]
347\definecolor
[
rightMPCcolor
]
[
green
]
348\definecolor
[
wrongMPCcolor
]
[
red
]
349
350\definecolor
[
MPCcolor
]
[
clickMPCcolor
]
351
352\appendtoks
353    \definesymbol
 [
mpc
-
y
]
 [
\mathematics
{
\color
[
clickMPCcolor
]
{
\star
}
}
]
 % yes
354    \definesymbol
 [
mpc
-
n
]
 [
\hphantom
{
\symbol
[
mpc
-
y
]
}
]
                  % no
355    \definesymbol
 [
mpc
-
r
]
 [
\mathematics
{
\color
[
rightMPCcolor
]
{
\star
}
}
]
 % right
356    \definesymbol
 [
mpc
-
w
]
 [
\mathematics
{
\color
[
wrongMPCcolor
]
{
\star
}
}
]
 % wrong
357\to
 \everystarttext
358
359\definereference
 [
ResetItems
]
       [
JS
(
ResetItems
)
]
360\definereference
 [
CalculateItems
]
   [
JS
(
CalculateItems
)
]
361\definereference
 [
PreviousFeedback
]
 [
JS
(
PreviousFeedback
)
]
362\definereference
 [
NextFeedback
]
     [
JS
(
NextFeedback
)
]
363
364\setupfield
365  [
mpc
-
field
-
yn
]
366  [
%\c!frame=\v!off,
367   \c!height
=
.
8
em
,
368   \c!width
=
.
8
em
,
369   \c!background
=
\v!color
,
370   \c!backgroundcolor
=
gray
]
371
372\setupfield
373  [
mpc
-
field
-
rw
]
374  [
%\c!frame=\v!off,
375   \c!height
=
.
8
em
,
376   \c!width
=
.
8
em
,
377   \c!background
=
\v!color
,
378   \c!background
=
gray
]
379
380\setupfield
381  [
mpc
-
data
]
382  [
%\c!frame=\v!off,
383   \c!height
=
3
ex
,
384   \c!location
=
\v!low
,
385   \c!align
=
\v!middle
,
386   \c!color
=
MPCcolor
,
387   \c!background
=
\v!color
,
388   \c!background
=
gray
,
389   \c!option
=
\v!readonly
]
390
391\setupfield
392  [
mpc
-
mode
]
393  [
%\c!frame=\v!off,
394   \c!height
=
3
ex
,
395   \c!width
=
3
ex
,
396   \c!location
=
\v!low
,
397   \c!color
=
MPCcolor
,
398   \c!background
=
\v!color
,
399   \c!background
=
gray
,
400   \c!clickout
=
JS
(
CheckMPCmode
)
]
401
402\appendtoks
403    \definemainfield
[
mpc
-
score
]
   [
line
]
 [
mpc
-
data
]
[
]
[
]
404    \definemainfield
[
mpc
-
total
]
   [
line
]
 [
mpc
-
data
]
[
]
[
]
405    \definemainfield
[
mpc
-
percent
]
 [
line
]
 [
mpc
-
data
]
[
]
[
]
406    \definemainfield
[
mpc
-
realtime
]
[
check
]
[
mpc
-
mode
]
[
mpc
-
y
,
mpc
-
n
]
[
mpc
-
n
]
407\to
 \everystarttext
408
409\newif
\iftraceitems
 % \traceitemstrue
410
411\unexpanded
\def
\startMPCitems
412  {
\dotripleempty
\dostartMPCitems
}
413
414\let
\stopMPCitems
\relax
415\let
\startMPCitem
\relax
416\let
\stopMPCitem
 \relax
417
418\unexpanded
\def
\dostartMPCitems
[
#
1
]
[
#
2
]
[
#
3
]
#
4
\stopMPCitems
419  {
\bgroup
420   \getgparameters
421     [
mpc
:
#
1
:
]
422     [
\c!answer
=
1
,
423      \c!n
=
1
,
424      \c!weight
=
1
,
425      \c!method
=
1
,
426      #
2
]
%
427   \doglobal
\newcounter
\MPCitems
428   \unexpanded
\def
\startMPCitem
#
#
1
\stopMPCitem
429     {
\doglobal
\increment
\MPCitems
430      \edef
\MPCitem
{
MPC
:
\MPCitems
}
%
431      \expandafter
\setvalue
\expandafter
\MPCitem
\expandafter
432        {
\expandafter
\handleMPCitem
\expandafter
{
\MPCitems
}
{
#
#
1
}
}
}
433   #
4
\relax
434   \unexpanded
\def
\handleMPCitem
#
#
1
#
#
2
%
435     {
\setJSpreamble
{
mpc
:
#
1
}
436        {
DefineMPC
437           (
"
mpc
:
#
1
"
,
%
438            "
\getvalue
{
mpc
:
#
1
:
\c!answer
}
"
,
%
439            "
\getvalue
{
mpc
:
#
1
:
\c!n
}
"
,
%
440            "
\getvalue
{
mpc
:
#
1
:
\c!weight
}
"
,
%
441            "
\getvalue
{
mpc
:
#
1
:
\c!method
}
"
)
;
}
%
442      \definefield
[
mpc
:
#
1
:
#
#
1
:
rw
]
[
check
]
[
mpc
-
field
-
rw
]
[
mpc
-
r
,
mpc
-
w
]
[
mpc
-
r
]
443      \definefield
[
mpc
:
#
1
:
#
#
1
:
yn
]
[
check
]
[
mpc
-
field
-
yn
]
[
mpc
-
y
,
mpc
-
n
]
[
mpc
-
n
]
444      \setupfield
[
mpc
-
field
-
rw
]
[
\c!option
=
{
\v!readonly
,
\v!hidden
}
]
445      \setupfield
[
mpc
-
field
-
yn
]
[
\c!clickout
=
JS
(
CheckMPC
{
mpc
:
#
1
,
#
#
1
}
)
]
446      \mar
{
\iftraceitems
{
\txx
#
#
1
}
\hskip
.
5
em
\fi
447          %\fitfield[mpc:#1:##1:rw]\hskip.25em
448          %\fitfield[mpc:#1:##1:yn]}
449           \field
[
mpc
:
#
1
:
#
#
1
:
rw
]
\hskip
.
2
5
em
450           \field
[
mpc
:
#
1
:
#
#
1
:
yn
]
}
451      #
#
2
\par
}
%
452  \global
\let
\MPCdone
\MPCitems
453  \global
\unexpanded
\def
\fetchMPCitems
454    {
\getrandomnumber
\MPCitem
{
1
}
{
\MPCitems
}
%
455     \doifdefined
{
MPC
:
\MPCitem
}
456       {
\getvalue
{
MPC
:
\MPCitem
}
457        \doglobal
\decrement
\MPCdone
458        \global
\letbeundefined
{
MPC
:
\MPCitem
}
}
%
459     \ifcase
\MPCdone
\else
460       \expandafter
\fetchMPCitems
461     \fi
}
462  \startitemize
[
#
3
]
463    \fetchMPCitems
464  \stopitemize
465  \egroup
}
466
467% \setupsystem
468%   [\c!random=\v!small]
469
470\protect
471
472\continueifinputfile
{
m
-
examn
.
mkiv
}
473
474% \nopdfcompression
475
476\setupbodyfont
[
pagella
,
1
0
pt
]
477
478% \usemodule[m][examn]
479
480\setupinteraction
481  [
state
=
start
,
482   color
=
MPCcolor
,
483   menu
=
on
]
484
485\setupinteractionmenu
486  [
right
]
487  [
state
=
start
]
488
489\setupinteractionscreen
490  [
option
=
max
]
491
492\setuppapersize
493  [
S
6
]
[
S
6
]
494
495\setuplayout
496  [
topspace
=
1
5
pt
,
497   backspace
=
4
0
pt
,
498   header
=
0
pt
,
499   footer
=
0
pt
,
500   height
=
middle
,
501   rightmargin
=
0
pt
,
502   leftmargin
=
2
0
pt
,
503   leftmargindistance
=
5
pt
,
504   rightedge
=
1
0
0
pt
,
505   rightedgedistance
=
1
5
pt
,
506   width
=
4
3
0
pt
]
507
508\setupbackgrounds
509  [
text
]
[
rightedge
]
510  [
frame
=
on
,
511   frameoffset
=
5
pt
,
512   framecolor
=
MPCcolor
]
513
514\startinteractionmenu
[
right
]
515    \startalignment
[
middle
]
516        \dontleavehmode
 \gotobox
{
\strut
 example
 test
}
 [
examplepage
]
                      \blank
517        \dontleavehmode
 \gotobox
{
\strut
 next
 feedback
}
[
NextFeedback
]
                     \blank
518        \dontleavehmode
 \gotobox
{
\strut
 prev
 feedback
}
[
PreviousFeedback
]
                 \blank
519        \dontleavehmode
 \gotobox
{
\strut
 submit
}
       [
SubmitForm
{
mailto
:
pragma
@
wxs
.
nl
}
]
 \blank
520        \dontleavehmode
 \gotobox
{
\strut
 reset
}
        [
ResetItems
]
                       \blank
521        \dontleavehmode
 \gotobox
{
\strut
 calculate
}
    [
CalculateItems
]
                   \blank
522        \vfill
523        score
      \blank
[
small
]
 \dontleavehmode
 \field
[
mpc
-
score
]
    \blank
524        max
 score
  \blank
[
small
]
 \dontleavehmode
 \field
[
mpc
-
total
]
    \blank
525        percentage
 \blank
[
small
]
 \dontleavehmode
 \field
[
mpc
-
percent
]
  \blank
526        realtime
   \blank
[
small
]
 \dontleavehmode
 \field
[
mpc
-
realtime
]
 \blank
527        \kern
0
pt
528    \stopalignment
529\stopinteractionmenu
530
531\starttext
532
533\title
 [
examplepage
]
 {
A
 simple
 MPC
 demo
 (
toggle
 mode
)
}
534
535\startMPCitems
[
mpc
-
1
]
[
answer
=
3
]
[
a
,
packed
]
536
537    \startMPCitem
 this
 is
 alpha
 \stopMPCitem
538    \startMPCitem
 and
 this
 is
 beta
 \stopMPCitem
539    \startMPCitem
 but
 how
 about
 gamma
 (
ok
)
 \stopMPCitem
540
541\stopMPCitems
542
543\startMPCitems
[
mpc
-
5
]
[
answer
=
{
2
,
3
,
4
}
,
n
=
2
]
[
n
,
packed
]
544
545    \startMPCitem
 this
 is
 alpha
 \stopMPCitem
546    \startMPCitem
 and
 this
 is
 beta
 (
ok
,
 2
 ok
'
s
 permitted
)
 \stopMPCitem
547    \startMPCitem
 but
 how
 about
 gamma
 (
ok
,
 2
 ok
'
s
 permitted
)
 \stopMPCitem
548    \startMPCitem
 or
 delta
 (
ok
,
 2
 ok
'
s
 permitted
)
 \stopMPCitem
549    \startMPCitem
 or
 epsilon
 \stopMPCitem
550
551\stopMPCitems
552
553\startMPCitems
[
mpc
-
6
]
[
answer
=
{
2
,
3
,
4
}
,
weight
=
{
2
,
1
,
3
}
,
n
=
2
]
[
g
,
packed
]
554
555    \startMPCitem
 this
 is
 alpha
 \stopMPCitem
556    \startMPCitem
 and
 this
 is
 beta
 (
ok
,
 2
 ok
'
s
 permitted
,
 weight
 is
 2
)
 \stopMPCitem
557    \startMPCitem
 but
 how
 about
 gamma
 (
ok
,
 2
 ok
'
s
 permitted
,
 weight
 is
 1
)
 \stopMPCitem
558    \startMPCitem
 or
 delta
 (
ok
,
 2
 ok
'
s
 permitted
,
 weight
 is
 3
)
 \stopMPCitem
559    \startMPCitem
 or
 epsilon
 \stopMPCitem
560
561\stopMPCitems
562
563\startMPCitems
[
mpc
-
8
]
[
answer
=
1
,
weight
=
2
]
[
packed
]
564
565    \startMPCitem
 this
 is
 alpha
 (
ok
,
 weight
 is
 2
)
 \stopMPCitem
566    \startMPCitem
 and
 this
 is
 beta
 \stopMPCitem
567    \startMPCitem
 but
 how
 about
 gamma
 \stopMPCitem
568    \startMPCitem
 or
 delta
 \stopMPCitem
569
570\stopMPCitems
571
572\title
 [
feedback
:
mpc
:
mpc
-
1
]
 {
Feedback
 on
 MPC
 1
}
  whatever
573\title
 [
feedback
:
mpc
:
mpc
-
5
]
 {
Feedback
 on
 MPC
 5
}
  whatever
574\title
 [
feedback
:
mpc
:
mpc
-
6
]
 {
Feedback
 on
 MPC
 6
}
  whatever
575\title
 [
feedback
:
mpc
:
mpc
-
8
]
 {
Feedback
 on
 MPC
 8
}
  whatever
576
577\stoptext
578
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