Annotation of loncom/interface/lonspreadsheet.pm, revision 1.94
1.79 matthew 1: #
1.94 ! www 2: # $Id: lonspreadsheet.pm,v 1.93 2002/07/04 17:51:32 www Exp $
1.79 matthew 3: #
4: # Copyright Michigan State University Board of Trustees
5: #
6: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
7: #
8: # LON-CAPA is free software; you can redistribute it and/or modify
9: # it under the terms of the GNU General Public License as published by
10: # the Free Software Foundation; either version 2 of the License, or
11: # (at your option) any later version.
12: #
13: # LON-CAPA is distributed in the hope that it will be useful,
14: # but WITHOUT ANY WARRANTY; without even the implied warranty of
15: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16: # GNU General Public License for more details.
17: #
18: # You should have received a copy of the GNU General Public License
19: # along with LON-CAPA; if not, write to the Free Software
20: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21: #
22: # /home/httpd/html/adm/gpl.txt
23: #
24: # http://www.lon-capa.org/
25: #
1.1 www 26: # The LearningOnline Network with CAPA
27: # Spreadsheet/Grades Display Handler
28: #
1.15 www 29: # 11/11,11/15,11/27,12/04,12/05,12/06,12/07,
1.23 www 30: # 12/08,12/09,12/11,12/12,12/15,12/16,12/18,12/19,12/30,
1.39 www 31: # 01/01/01,02/01,03/01,19/01,20/01,22/01,
1.47 www 32: # 03/05,03/08,03/10,03/12,03/13,03/15,03/17,
1.55 www 33: # 03/19,03/20,03/21,03/27,04/05,04/09,
1.69 www 34: # 07/09,07/14,07/21,09/01,09/10,9/11,9/12,9/13,9/14,9/17,
1.77 www 35: # 10/16,10/17,10/20,11/05,11/28,12/27 Gerd Kortemeyer
1.78 matthew 36: # 01/14/02 Matthew
1.80 matthew 37: # 02/04/02 Matthew
38:
39: # POD required stuff:
40:
41: =head1 NAME
42:
43: lonspreadsheet
44:
45: =head1 SYNOPSIS
46:
47: Spreadsheet interface to internal LON-CAPA data
48:
49: =head1 DESCRIPTION
50:
51: Lonspreadsheet provides course coordinators the ability to manage their
52: students grades online. The students are able to view their own grades, but
53: not the grades of their peers. The spreadsheet is highly customizable,
54: offering the ability to use Perl code to manipulate data, as well as many
55: built-in functions.
56:
57:
58: =head2 Functions available to user of lonspreadsheet
59:
60: =over 4
61:
62: =cut
1.1 www 63:
64: package Apache::lonspreadsheet;
1.36 www 65:
1.1 www 66: use strict;
67: use Safe;
1.3 www 68: use Safe::Hole;
1.1 www 69: use Opcode;
70: use Apache::lonnet;
1.7 www 71: use Apache::Constants qw(:common :http);
1.19 www 72: use GDBM_File;
1.3 www 73: use HTML::TokeParser;
74:
1.11 www 75: #
1.44 www 76: # Caches for previously calculated spreadsheets
77: #
78:
79: my %oldsheets;
1.46 www 80: my %loadedcaches;
1.47 www 81: my %expiredates;
1.44 www 82:
83: #
1.39 www 84: # Cache for stores of an individual user
85: #
86:
87: my $cachedassess;
88: my %cachedstores;
89:
90: #
1.11 www 91: # These cache hashes need to be independent of user, resource and course
1.27 www 92: # (user and course can/should be in the keys)
1.11 www 93: #
1.33 www 94:
95: my %spreadsheets;
96: my %courserdatas;
97: my %userrdatas;
98: my %defaultsheets;
1.35 www 99: my %updatedata;
1.27 www 100:
1.11 www 101: #
102: # These global hashes are dependent on user, course and resource,
103: # and need to be initialized every time when a sheet is calculated
104: #
105: my %courseopt;
106: my %useropt;
107: my %parmhash;
108:
1.28 www 109: # Stuff that only the screen handler can know
110:
111: my $includedir;
112: my $tmpdir;
113:
1.5 www 114: # =============================================================================
115: # ===================================== Implements an instance of a spreadsheet
1.4 www 116:
117: sub initsheet {
1.36 www 118: my $safeeval = new Safe(shift);
1.4 www 119: my $safehole = new Safe::Hole;
120: $safeeval->permit("entereval");
121: $safeeval->permit(":base_math");
122: $safeeval->permit("sort");
123: $safeeval->deny(":base_io");
124: $safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&EXT');
125: my $code=<<'ENDDEFS';
126: # ---------------------------------------------------- Inside of the safe space
127:
1.3 www 128: #
129: # f: formulas
1.4 www 130: # t: intermediate format (variable references expanded)
131: # v: output values
1.6 www 132: # c: preloaded constants (A-column)
133: # rl: row label
1.55 www 134: # os: other spreadsheets (for student spreadsheet only)
1.3 www 135:
1.36 www 136: undef %v;
137: undef %t;
138: undef %f;
139: undef %c;
140: undef %rl;
1.55 www 141: undef @os;
142:
1.6 www 143: $maxrow=0;
1.5 www 144: $sheettype='';
1.27 www 145:
146: # filename/reference of the sheet
147:
1.5 www 148: $filename='';
1.1 www 149:
1.27 www 150: # user data
151: $uname='';
152: $uhome='';
153: $udom='';
154:
155: # course data
156:
157: $csec='';
158: $chome='';
159: $cnum='';
160: $cdom='';
1.28 www 161: $cid='';
1.29 www 162: $cfn='';
1.27 www 163:
164: # symb
165:
166: $usymb='';
167:
1.1 www 168: sub mask {
169: my ($lower,$upper)=@_;
170:
1.7 www 171: $lower=~/([A-Za-z]|\*)(\d+|\*)/;
1.1 www 172: my $la=$1;
173: my $ld=$2;
174:
1.7 www 175: $upper=~/([A-Za-z]|\*)(\d+|\*)/;
1.1 www 176: my $ua=$1;
177: my $ud=$2;
178: my $alpha='';
179: my $num='';
180:
181: if (($la eq '*') || ($ua eq '*')) {
1.7 www 182: $alpha='[A-Za-z]';
1.1 www 183: } else {
1.7 www 184: if (($la=~/[A-Z]/) && ($ua=~/[A-Z]/) ||
185: ($la=~/[a-z]/) && ($ua=~/[a-z]/)) {
186: $alpha='['.$la.'-'.$ua.']';
187: } else {
188: $alpha='['.$la.'-Za-'.$ua.']';
189: }
1.1 www 190: }
191:
192: if (($ld eq '*') || ($ud eq '*')) {
193: $num='\d+';
194: } else {
195: if (length($ld)!=length($ud)) {
196: $num.='(';
1.78 matthew 197: foreach ($ld=~m/\d/g) {
1.1 www 198: $num.='['.$_.'-9]';
1.78 matthew 199: }
1.1 www 200: if (length($ud)-length($ld)>1) {
201: $num.='|\d{'.(length($ld)+1).','.(length($ud)-1).'}';
202: }
203: $num.='|';
1.78 matthew 204: foreach ($ud=~m/\d/g) {
1.1 www 205: $num.='[0-'.$_.']';
1.78 matthew 206: }
1.1 www 207: $num.=')';
208: } else {
209: my @lda=($ld=~m/\d/g);
210: my @uda=($ud=~m/\d/g);
1.7 www 211: my $i; $j=0; $notdone=1;
212: for ($i=0;($i<=$#lda)&&($notdone);$i++) {
1.1 www 213: if ($lda[$i]==$uda[$i]) {
214: $num.=$lda[$i];
215: $j=$i;
1.7 www 216: } else {
217: $notdone=0;
1.1 www 218: }
219: }
220: if ($j<$#lda-1) {
221: $num.='('.$lda[$j+1];
222: for ($i=$j+2;$i<=$#lda;$i++) {
223: $num.='['.$lda[$i].'-9]';
224: }
225: if ($uda[$j+1]-$lda[$j+1]>1) {
226: $num.='|['.($lda[$j+1]+1).'-'.($uda[$j+1]-1).']\d{'.
227: ($#lda-$j-1).'}';
228: }
229: $num.='|'.$uda[$j+1];
230: for ($i=$j+2;$i<=$#uda;$i++) {
231: $num.='[0-'.$uda[$i].']';
232: }
233: $num.=')';
234: } else {
1.7 www 235: if ($lda[$#lda]!=$uda[$#uda]) {
236: $num.='['.$lda[$#lda].'-'.$uda[$#uda].']';
237: }
1.1 www 238: }
239: }
240: }
1.4 www 241: return '^'.$alpha.$num."\$";
1.80 matthew 242: }
243:
244: #-------------------------------------------------------
245:
246: =item UWCALC(hashname,modules,units,date)
247:
248: returns the proportion of the module
249: weights not previously completed by the student.
250:
251: =over 4
252:
253: =item hashname
254:
255: name of the hash the module dates have been inserted into
256:
257: =item modules
258:
259: reference to a cell which contains a comma deliminated list of modules
260: covered by the assignment.
261:
262: =item units
263:
264: reference to a cell which contains a comma deliminated list of module
265: weights with respect to the assignment
266:
267: =item date
268:
269: reference to a cell which contains the date the assignment was completed.
270:
271: =back
272:
273: =cut
274:
275: #-------------------------------------------------------
276: sub UWCALC {
277: my ($hashname,$modules,$units,$date) = @_;
278: my @Modules = split(/,/,$modules);
279: my @Units = split(/,/,$units);
280: my $total_weight;
281: foreach (@Units) {
282: $total_weight += $_;
283: }
284: my $usum=0;
285: for (my $i=0; $i<=$#Modules; $i++) {
286: if (&HASH($hashname,$Modules[$i]) eq $date) {
287: $usum += $Units[$i];
288: }
289: }
290: return $usum/$total_weight;
291: }
292:
293: #-------------------------------------------------------
294:
295: =item CDLSUM(list)
296:
297: returns the sum of the elements in a cell which contains
298: a Comma Deliminate List of numerical values.
299: 'list' is a reference to a cell which contains a comma deliminated list.
300:
301: =cut
302:
303: #-------------------------------------------------------
304: sub CDLSUM {
305: my ($list)=@_;
306: my $sum;
307: foreach (split/,/,$list) {
308: $sum += $_;
309: }
310: return $sum;
311: }
312:
313: #-------------------------------------------------------
314:
315: =item CDLITEM(list,index)
316:
317: returns the item at 'index' in a Comma Deliminated List.
318:
319: =over 4
320:
321: =item list
322:
323: reference to a cell which contains a comma deliminated list.
324:
325: =item index
326:
327: the Perl index of the item requested (first element in list has
328: an index of 0)
329:
330: =back
331:
332: =cut
333:
334: #-------------------------------------------------------
335: sub CDLITEM {
336: my ($list,$index)=@_;
337: my @Temp = split/,/,$list;
338: return $Temp[$index];
339: }
340:
341: #-------------------------------------------------------
342:
343: =item CDLHASH(name,key,value)
344:
345: loads a comma deliminated list of keys into
346: the hash 'name', all with a value of 'value'.
347:
348: =over 4
349:
350: =item name
351:
352: name of the hash.
353:
354: =item key
355:
356: (a pointer to) a comma deliminated list of keys.
357:
358: =item value
359:
360: a single value to be entered for each key.
361:
362: =back
363:
364: =cut
365:
366: #-------------------------------------------------------
367: sub CDLHASH {
368: my ($name,$key,$value)=@_;
369: my @Keys;
370: my @Values;
371: # Check to see if we have multiple $key values
372: if ($key =~ /[A-z](\-[A-z])?\d+(\-\d+)?/) {
373: my $keymask = &mask($key);
374: # Assume the keys are addresses
375: my @Temp = grep /$keymask/,keys(%v);
376: @Keys = $v{@Temp};
377: } else {
378: $Keys[0]= $key;
379: }
380: my @Temp;
381: foreach $key (@Keys) {
382: @Temp = (@Temp, split/,/,$key);
383: }
384: @Keys = @Temp;
385: if ($value =~ /[A-z](\-[A-z])?\d+(\-\d+)?/) {
386: my $valmask = &mask($value);
387: my @Temp = grep /$valmask/,keys(%v);
388: @Values =$v{@Temp};
389: } else {
390: $Values[0]= $value;
391: }
392: $value = $Values[0];
393: # Add values to hash
394: for (my $i = 0; $i<=$#Keys; $i++) {
395: my $key = $Keys[$i];
396: if (! exists ($hashes{$name}->{$key})) {
397: $hashes{$name}->{$key}->[0]=$value;
398: } else {
399: my @Temp = sort(@{$hashes{$name}->{$key}},$value);
400: $hashes{$name}->{$key} = \@Temp;
401: }
402: }
403: return "hash '$name' updated";
404: }
405:
406: #-------------------------------------------------------
407:
408: =item GETHASH(name,key,index)
409:
410: returns the element in hash 'name'
411: reference by the key 'key', at index 'index' in the values list.
412:
413: =cut
414:
415: #-------------------------------------------------------
416: sub GETHASH {
417: my ($name,$key,$index)=@_;
418: if (! defined($index)) {
419: $index = 0;
420: }
421: if ($key =~ /^[A-z]\d+$/) {
422: $key = $v{$key};
423: }
424: return $hashes{$name}->{$key}->[$index];
425: }
426:
427: #-------------------------------------------------------
428:
429: =item CLEARHASH(name)
430:
431: clears all the values from the hash 'name'
432:
433: =item CLEARHASH(name,key)
434:
435: clears all the values from the hash 'name' associated with the given key.
436:
437: =cut
438:
439: #-------------------------------------------------------
440: sub CLEARHASH {
441: my ($name,$key)=@_;
442: if (defined($key)) {
443: if (exists($hashes{$name}->{$key})) {
444: $hashes{$name}->{$key}=undef;
445: return "hash '$name' key '$key' cleared";
446: }
447: } else {
448: if (exists($hashes{$name})) {
449: $hashes{$name}=undef;
450: return "hash '$name' cleared";
451: }
452: }
453: return "Error in clearing hash";
454: }
455:
456: #-------------------------------------------------------
457:
458: =item HASH(name,key,value)
459:
460: loads values into an internal hash. If a key
461: already has a value associated with it, the values are sorted numerically.
462:
463: =item HASH(name,key)
464:
465: returns the 0th value in the hash 'name' associated with 'key'.
466:
467: =cut
468:
469: #-------------------------------------------------------
470: sub HASH {
471: my ($name,$key,$value)=@_;
472: my @Keys;
473: undef @Keys;
474: my @Values;
475: # Check to see if we have multiple $key values
476: if ($key =~ /[A-z](\-[A-z])?\d+(\-\d+)?/) {
477: my $keymask = &mask($key);
478: # Assume the keys are addresses
479: my @Temp = grep /$keymask/,keys(%v);
480: @Keys = $v{@Temp};
481: } else {
482: $Keys[0]= $key;
483: }
484: # If $value is empty, return the first value associated
485: # with the first key.
486: if (! $value) {
487: return $hashes{$name}->{$Keys[0]}->[0];
488: }
489: # Check to see if we have multiple $value(s)
490: if ($value =~ /[A-z](\-[A-z])?\d+(\-\d+)?/) {
491: my $valmask = &mask($value);
492: my @Temp = grep /$valmask/,keys(%v);
493: @Values =$v{@Temp};
494: } else {
495: $Values[0]= $value;
496: }
497: # Add values to hash
498: for (my $i = 0; $i<=$#Keys; $i++) {
499: my $key = $Keys[$i];
500: my $value = ($i<=$#Values ? $Values[$i] : $Values[0]);
501: if (! exists ($hashes{$name}->{$key})) {
502: $hashes{$name}->{$key}->[0]=$value;
503: } else {
504: my @Temp = sort(@{$hashes{$name}->{$key}},$value);
505: $hashes{$name}->{$key} = \@Temp;
506: }
507: }
508: return $Values[-1];
1.1 www 509: }
510:
1.84 matthew 511: #-------------------------------------------------------
512:
513: =item NUM(range)
514:
515: returns the number of items in the range.
516:
517: =cut
518:
519: #-------------------------------------------------------
1.1 www 520: sub NUM {
521: my $mask=mask(@_);
1.78 matthew 522: my $num= $#{@{grep(/$mask/,keys(%v))}}+1;
1.1 www 523: return $num;
524: }
525:
526: sub BIN {
527: my ($low,$high,$lower,$upper)=@_;
528: my $mask=mask($lower,$upper);
529: my $num=0;
1.78 matthew 530: foreach (grep /$mask/,keys(%v)) {
1.1 www 531: if (($v{$_}>=$low) && ($v{$_}<=$high)) {
532: $num++;
533: }
1.78 matthew 534: }
1.1 www 535: return $num;
536: }
537:
538:
1.84 matthew 539: #-------------------------------------------------------
540:
541: =item SUM(range)
542:
543: returns the sum of items in the range.
544:
545: =cut
546:
547: #-------------------------------------------------------
1.1 www 548: sub SUM {
549: my $mask=mask(@_);
550: my $sum=0;
1.78 matthew 551: foreach (grep /$mask/,keys(%v)) {
1.1 www 552: $sum+=$v{$_};
1.78 matthew 553: }
1.1 www 554: return $sum;
555: }
556:
1.84 matthew 557: #-------------------------------------------------------
558:
559: =item MEAN(range)
560:
561: compute the average of the items in the range.
562:
563: =cut
564:
565: #-------------------------------------------------------
1.1 www 566: sub MEAN {
567: my $mask=mask(@_);
568: my $sum=0; my $num=0;
1.78 matthew 569: foreach (grep /$mask/,keys(%v)) {
1.1 www 570: $sum+=$v{$_};
571: $num++;
1.78 matthew 572: }
1.1 www 573: if ($num) {
574: return $sum/$num;
575: } else {
576: return undef;
577: }
578: }
579:
1.84 matthew 580: #-------------------------------------------------------
581:
582: =item STDDEV(range)
583:
584: compute the standard deviation of the items in the range.
585:
586: =cut
587:
588: #-------------------------------------------------------
1.1 www 589: sub STDDEV {
590: my $mask=mask(@_);
591: my $sum=0; my $num=0;
1.78 matthew 592: foreach (grep /$mask/,keys(%v)) {
1.1 www 593: $sum+=$v{$_};
594: $num++;
1.78 matthew 595: }
1.1 www 596: unless ($num>1) { return undef; }
597: my $mean=$sum/$num;
598: $sum=0;
1.78 matthew 599: foreach (grep /$mask/,keys(%v)) {
1.1 www 600: $sum+=($v{$_}-$mean)**2;
1.78 matthew 601: }
1.1 www 602: return sqrt($sum/($num-1));
603: }
604:
1.84 matthew 605: #-------------------------------------------------------
606:
607: =item PROD(range)
608:
609: compute the product of the items in the range.
610:
611: =cut
612:
613: #-------------------------------------------------------
1.1 www 614: sub PROD {
615: my $mask=mask(@_);
616: my $prod=1;
1.78 matthew 617: foreach (grep /$mask/,keys(%v)) {
1.1 www 618: $prod*=$v{$_};
1.78 matthew 619: }
1.1 www 620: return $prod;
621: }
622:
1.84 matthew 623: #-------------------------------------------------------
624:
625: =item MAX(range)
626:
627: compute the maximum of the items in the range.
628:
629: =cut
630:
631: #-------------------------------------------------------
1.1 www 632: sub MAX {
633: my $mask=mask(@_);
634: my $max='-';
1.78 matthew 635: foreach (grep /$mask/,keys(%v)) {
1.1 www 636: unless ($max) { $max=$v{$_}; }
637: if (($v{$_}>$max) || ($max eq '-')) { $max=$v{$_}; }
1.78 matthew 638: }
1.1 www 639: return $max;
640: }
641:
1.84 matthew 642: #-------------------------------------------------------
643:
644: =item MIN(range)
645:
646: compute the minimum of the items in the range.
647:
648: =cut
649:
650: #-------------------------------------------------------
1.1 www 651: sub MIN {
652: my $mask=mask(@_);
653: my $min='-';
1.78 matthew 654: foreach (grep /$mask/,keys(%v)) {
1.1 www 655: unless ($max) { $max=$v{$_}; }
656: if (($v{$_}<$min) || ($min eq '-')) { $min=$v{$_}; }
1.78 matthew 657: }
1.1 www 658: return $min;
659: }
660:
1.84 matthew 661: #-------------------------------------------------------
662:
663: =item SUMMAX(num,lower,upper)
664:
665: compute the sum of the largest 'num' items in the range from
666: 'lower' to 'upper'
667:
668: =cut
669:
670: #-------------------------------------------------------
1.1 www 671: sub SUMMAX {
672: my ($num,$lower,$upper)=@_;
673: my $mask=mask($lower,$upper);
674: my @inside=();
1.78 matthew 675: foreach (grep /$mask/,keys(%v)) {
1.84 matthew 676: push (@inside,$v{$_});
1.78 matthew 677: }
1.1 www 678: @inside=sort(@inside);
679: my $sum=0; my $i;
680: for ($i=$#inside;(($i>$#inside-$num) && ($i>=0));$i--) {
681: $sum+=$inside[$i];
682: }
683: return $sum;
684: }
685:
1.84 matthew 686: #-------------------------------------------------------
687:
688: =item SUMMIN(num,lower,upper)
689:
690: compute the sum of the smallest 'num' items in the range from
691: 'lower' to 'upper'
692:
693: =cut
694:
695: #-------------------------------------------------------
1.1 www 696: sub SUMMIN {
697: my ($num,$lower,$upper)=@_;
698: my $mask=mask($lower,$upper);
699: my @inside=();
1.78 matthew 700: foreach (grep /$mask/,keys(%v)) {
1.1 www 701: $inside[$#inside+1]=$v{$_};
1.78 matthew 702: }
1.1 www 703: @inside=sort(@inside);
704: my $sum=0; my $i;
705: for ($i=0;(($i<$num) && ($i<=$#inside));$i++) {
706: $sum+=$inside[$i];
707: }
708: return $sum;
709: }
710:
1.59 www 711: sub expandnamed {
712: my $expression=shift;
713: if ($expression=~/^\&/) {
714: my ($func,$var,$formula)=($expression=~/^\&(\w+)\(([^\;]+)\;(.*)\)/);
715: my @vars=split(/\W+/,$formula);
716: my %values=();
717: undef %values;
1.78 matthew 718: foreach ( @vars ) {
1.59 www 719: my $varname=$_;
720: if ($varname=~/\D/) {
721: $formula=~s/$varname/'$c{\''.$varname.'\'}'/ge;
722: $varname=~s/$var/\(\\w\+\)/g;
1.78 matthew 723: foreach (keys(%c)) {
1.59 www 724: if ($_=~/$varname/) {
725: $values{$1}=1;
726: }
1.78 matthew 727: }
1.59 www 728: }
1.78 matthew 729: }
1.59 www 730: if ($func eq 'EXPANDSUM') {
731: my $result='';
1.78 matthew 732: foreach (keys(%values)) {
1.59 www 733: my $thissum=$formula;
734: $thissum=~s/$var/$_/g;
735: $result.=$thissum.'+';
1.78 matthew 736: }
1.59 www 737: $result=~s/\+$//;
738: return $result;
739: } else {
740: return 0;
741: }
742: } else {
1.88 matthew 743: # it is not a function, so it is a parameter name
744: # We should do the following:
745: # 1. Take the list of parameter names
746: # 2. look through the list for ones that match the parameter we want
747: # 3. If there are no collisions, return the one that matches
748: # 4. If there is a collision, return 'bad parameter name error'
749: my $returnvalue = '';
750: my @matches = ();
751: $#matches = -1;
752: study $expression;
753: foreach $parameter (keys(%c)) {
754: push @matches,$parameter if ($parameter =~ /$expression/);
755: }
756: if ($#matches == 0) {
757: $returnvalue = '$c{\''.$matches[0].'\'}';
758: } else {
759: $returnvalue = "'bad parameter name : $expression'";
760: }
761: return $returnvalue;
1.59 www 762: }
763: }
764:
1.1 www 765: sub sett {
766: %t=();
1.16 www 767: my $pattern='';
768: if ($sheettype eq 'assesscalc') {
769: $pattern='A';
770: } else {
771: $pattern='[A-Z]';
772: }
1.78 matthew 773: foreach (keys(%f)) {
1.20 www 774: if ($_=~/template\_(\w)/) {
775: my $col=$1;
776: unless ($col=~/^$pattern/) {
1.78 matthew 777: foreach (keys(%f)) {
1.20 www 778: if ($_=~/A(\d+)/) {
779: my $trow=$1;
780: if ($trow) {
1.88 matthew 781: # Get the name of this cell
1.20 www 782: my $lb=$col.$trow;
1.88 matthew 783: # Grab the template declaration
1.20 www 784: $t{$lb}=$f{'template_'.$col};
1.88 matthew 785: # Replace '#' with the row number
1.20 www 786: $t{$lb}=~s/\#/$trow/g;
1.88 matthew 787: # Replace '....' with ','
1.20 www 788: $t{$lb}=~s/\.\.+/\,/g;
1.88 matthew 789: # Replace 'A0' with the value from 'A0'
1.20 www 790: $t{$lb}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$v\{\'$2\'\}/g;
1.88 matthew 791: # Replace parameters
1.59 www 792: $t{$lb}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.&expandnamed($2)/ge;
1.20 www 793: }
794: }
1.78 matthew 795: }
1.20 www 796: }
797: }
1.78 matthew 798: }
799: foreach (keys(%f)) {
1.20 www 800: if (($f{$_}) && ($_!~/template\_/)) {
1.42 www 801: my $matches=($_=~/^$pattern(\d+)/);
802: if (($matches) && ($1)) {
1.6 www 803: unless ($f{$_}=~/^\!/) {
804: $t{$_}=$c{$_};
805: }
806: } else {
807: $t{$_}=$f{$_};
1.7 www 808: $t{$_}=~s/\.\.+/\,/g;
809: $t{$_}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$v\{\'$2\'\}/g;
1.59 www 810: $t{$_}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.&expandnamed($2)/ge;
1.6 www 811: }
1.1 www 812: }
1.78 matthew 813: }
1.88 matthew 814: # For some reason 'A0' gets special treatment... This seems superfluous
815: # but I imagine it is here for a reason.
1.17 www 816: $t{'A0'}=$f{'A0'};
817: $t{'A0'}=~s/\.\.+/\,/g;
818: $t{'A0'}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$v\{\'$2\'\}/g;
1.59 www 819: $t{'A0'}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.&expandnamed($2)/ge;
1.1 www 820: }
821:
1.4 www 822: sub calc {
1.1 www 823: %v=();
1.4 www 824: &sett();
1.1 www 825: my $notfinished=1;
826: my $depth=0;
827: while ($notfinished) {
828: $notfinished=0;
1.78 matthew 829: foreach (keys(%t)) {
1.1 www 830: my $old=$v{$_};
1.4 www 831: $v{$_}=eval($t{$_});
1.1 www 832: if ($@) {
833: %v=();
834: return $@;
835: }
836: if ($v{$_} ne $old) { $notfinished=1; }
1.78 matthew 837: }
1.1 www 838: $depth++;
839: if ($depth>100) {
840: %v=();
841: return 'Maximum calculation depth exceeded';
842: }
843: }
844: return '';
845: }
846:
1.21 www 847: sub templaterow {
848: my @cols=();
849: $cols[0]='<b><font size=+1>Template</font></b>';
1.78 matthew 850: foreach ('A','B','C','D','E','F','G','H','I','J','K','L','M',
851: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
852: 'a','b','c','d','e','f','g','h','i','j','k','l','m',
853: 'n','o','p','q','r','s','t','u','v','w','x','y','z') {
1.21 www 854: my $fm=$f{'template_'.$_};
855: $fm=~s/[\'\"]/\&\#34;/g;
856: $cols[$#cols+1]="'template_$_','$fm'".'___eq___'.$fm;
1.78 matthew 857: }
1.21 www 858: return @cols;
859: }
860:
1.16 www 861: sub outrowassess {
1.6 www 862: my $n=shift;
863: my @cols=();
864: if ($n) {
1.55 www 865: my ($usy,$ufn)=split(/\_\_\&\&\&\_\_/,$f{'A'.$n});
1.92 www 866: if ($rl{$usy}) {
1.58 www 867: $cols[0]=$rl{$usy}.'<br>'.
1.55 www 868: '<select name="sel_'.$n.'" onChange="changesheet('.$n.
869: ')"><option name="default">Default</option>';
1.92 www 870: } else { $cols[0]=''; }
1.78 matthew 871: foreach (@os) {
1.55 www 872: $cols[0].='<option name="'.$_.'"';
873: if ($ufn eq $_) {
874: $cols[0].=' selected';
875: }
876: $cols[0].='>'.$_.'</option>';
1.78 matthew 877: }
1.55 www 878: $cols[0].='</select>';
1.6 www 879: } else {
880: $cols[0]='<b><font size=+1>Export</font></b>';
881: }
1.78 matthew 882: foreach ('A','B','C','D','E','F','G','H','I','J','K','L','M',
883: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
884: 'a','b','c','d','e','f','g','h','i','j','k','l','m',
885: 'n','o','p','q','r','s','t','u','v','w','x','y','z') {
1.6 www 886: my $fm=$f{$_.$n};
887: $fm=~s/[\'\"]/\&\#34;/g;
1.83 matthew 888: push(@cols,"'$_$n','$fm'".'___eq___'.$v{$_.$n});
1.78 matthew 889: }
1.6 www 890: return @cols;
891: }
892:
1.18 www 893: sub outrow {
894: my $n=shift;
895: my @cols=();
896: if ($n) {
1.21 www 897: $cols[0]=$rl{$f{'A'.$n}};
1.18 www 898: } else {
899: $cols[0]='<b><font size=+1>Export</font></b>';
900: }
1.78 matthew 901: foreach ('A','B','C','D','E','F','G','H','I','J','K','L','M',
902: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
903: 'a','b','c','d','e','f','g','h','i','j','k','l','m',
904: 'n','o','p','q','r','s','t','u','v','w','x','y','z') {
1.18 www 905: my $fm=$f{$_.$n};
906: $fm=~s/[\'\"]/\&\#34;/g;
907: $cols[$#cols+1]="'$_$n','$fm'".'___eq___'.$v{$_.$n};
1.78 matthew 908: }
1.18 www 909: return @cols;
910: }
911:
1.14 www 912: sub exportrowa {
1.28 www 913: my @exportarray=();
1.78 matthew 914: foreach ('A','B','C','D','E','F','G','H','I','J','K','L','M',
915: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z') {
1.28 www 916: $exportarray[$#exportarray+1]=$v{$_.'0'};
1.78 matthew 917: }
1.28 www 918: return @exportarray;
1.14 www 919: }
920:
1.4 www 921: # ------------------------------------------- End of "Inside of the safe space"
922: ENDDEFS
923: $safeeval->reval($code);
924: return $safeeval;
925: }
926:
927: # ------------------------------------------------ Add or change formula values
928:
929: sub setformulas {
1.34 www 930: my ($safeeval,%f)=@_;
931: %{$safeeval->varglob('f')}=%f;
1.6 www 932: }
933:
934: # ------------------------------------------------ Add or change formula values
935:
936: sub setconstants {
1.34 www 937: my ($safeeval,%c)=@_;
938: %{$safeeval->varglob('c')}=%c;
1.6 www 939: }
940:
1.55 www 941: # --------------------------------------------- Set names of other spreadsheets
942:
943: sub setothersheets {
944: my ($safeeval,@os)=@_;
945: @{$safeeval->varglob('os')}=@os;
946: }
947:
1.6 www 948: # ------------------------------------------------ Add or change formula values
949:
950: sub setrowlabels {
1.34 www 951: my ($safeeval,%rl)=@_;
952: %{$safeeval->varglob('rl')}=%rl;
1.4 www 953: }
954:
955: # ------------------------------------------------------- Calculate spreadsheet
956:
957: sub calcsheet {
958: my $safeeval=shift;
959: $safeeval->reval('&calc();');
960: }
961:
962: # ------------------------------------------------------------------ Get values
963:
964: sub getvalues {
965: my $safeeval=shift;
966: return $safeeval->reval('%v');
967: }
968:
969: # ---------------------------------------------------------------- Get formulas
970:
971: sub getformulas {
972: my $safeeval=shift;
1.34 www 973: return %{$safeeval->varglob('f')};
1.4 www 974: }
975:
1.5 www 976: # -------------------------------------------------------------------- Get type
977:
978: sub gettype {
979: my $safeeval=shift;
980: return $safeeval->reval('$sheettype');
981: }
1.27 www 982:
1.6 www 983: # ------------------------------------------------------------------ Set maxrow
984:
985: sub setmaxrow {
986: my ($safeeval,$row)=@_;
987: $safeeval->reval('$maxrow='.$row.';');
988: }
989:
990: # ------------------------------------------------------------------ Get maxrow
991:
992: sub getmaxrow {
993: my $safeeval=shift;
994: return $safeeval->reval('$maxrow');
995: }
1.5 www 996:
1.6 www 997: # ---------------------------------------------------------------- Set filename
1.5 www 998:
999: sub setfilename {
1000: my ($safeeval,$fn)=@_;
1.11 www 1001: $safeeval->reval('$filename="'.$fn.'";');
1.5 www 1002: }
1003:
1.6 www 1004: # ---------------------------------------------------------------- Get filename
1.5 www 1005:
1006: sub getfilename {
1007: my $safeeval=shift;
1008: return $safeeval->reval('$filename');
1009: }
1.29 www 1010:
1.28 www 1011: # --------------------------------------------------------------- Get course ID
1012:
1013: sub getcid {
1014: my $safeeval=shift;
1015: return $safeeval->reval('$cid');
1016: }
1.14 www 1017:
1.29 www 1018: # --------------------------------------------------------- Get course filename
1019:
1020: sub getcfn {
1021: my $safeeval=shift;
1022: return $safeeval->reval('$cfn');
1023: }
1024:
1.27 www 1025: # ----------------------------------------------------------- Get course number
1026:
1027: sub getcnum {
1028: my $safeeval=shift;
1029: return $safeeval->reval('$cnum');
1030: }
1031:
1032: # ------------------------------------------------------------- Get course home
1033:
1034: sub getchome {
1035: my $safeeval=shift;
1036: return $safeeval->reval('$chome');
1037: }
1038:
1039: # ----------------------------------------------------------- Get course domain
1040:
1041: sub getcdom {
1042: my $safeeval=shift;
1043: return $safeeval->reval('$cdom');
1044: }
1045:
1046: # ---------------------------------------------------------- Get course section
1047:
1048: sub getcsec {
1049: my $safeeval=shift;
1050: return $safeeval->reval('$csec');
1051: }
1052:
1053: # --------------------------------------------------------------- Get user name
1054:
1055: sub getuname {
1056: my $safeeval=shift;
1057: return $safeeval->reval('$uname');
1058: }
1059:
1060: # ------------------------------------------------------------- Get user domain
1061:
1062: sub getudom {
1063: my $safeeval=shift;
1064: return $safeeval->reval('$udom');
1065: }
1066:
1067: # --------------------------------------------------------------- Get user home
1068:
1069: sub getuhome {
1070: my $safeeval=shift;
1071: return $safeeval->reval('$uhome');
1072: }
1073:
1074: # -------------------------------------------------------------------- Get symb
1075:
1076: sub getusymb {
1077: my $safeeval=shift;
1078: return $safeeval->reval('$usymb');
1079: }
1080:
1.14 www 1081: # ------------------------------------------------------------- Export of A-row
1082:
1.28 www 1083: sub exportdata {
1.14 www 1084: my $safeeval=shift;
1085: return $safeeval->reval('&exportrowa()');
1086: }
1087:
1.55 www 1088:
1.5 www 1089: # ========================================================== End of Spreadsheet
1090: # =============================================================================
1091:
1.27 www 1092: #
1093: # Procedures for screen output
1094: #
1.6 www 1095: # --------------------------------------------- Produce output row n from sheet
1096:
1097: sub rown {
1098: my ($safeeval,$n)=@_;
1.21 www 1099: my $defaultbg;
1.24 www 1100: my $rowdata='';
1.61 www 1101: my $dataflag=0;
1.21 www 1102: unless ($n eq '-') {
1103: $defaultbg=((($n-1)/5)==int(($n-1)/5))?'#E0E0':'#FFFF';
1104: } else {
1105: $defaultbg='#E0FF';
1106: }
1.71 www 1107: unless ($ENV{'form.showcsv'}) {
1108: $rowdata.="\n<tr><td><b><font size=+1>$n</font></b></td>";
1109: } else {
1110: $rowdata.="\n".'"'.$n.'"';
1111: }
1.6 www 1112: my $showf=0;
1.16 www 1113: my $proc;
1.18 www 1114: my $maxred;
1.62 www 1115: my $sheettype=&gettype($safeeval);
1116: if ($sheettype eq 'studentcalc') {
1.55 www 1117: $proc='&outrowassess';
1118: $maxred=26;
1119: } else {
1120: $proc='&outrow';
1121: }
1.62 www 1122: if ($sheettype eq 'assesscalc') {
1.18 www 1123: $maxred=1;
1.16 www 1124: } else {
1.18 www 1125: $maxred=26;
1.16 www 1126: }
1.61 www 1127: if ($n eq '-') { $proc='&templaterow'; $n=-1; $dataflag=1; }
1.78 matthew 1128: foreach ($safeeval->reval($proc.'('.$n.')')) {
1.9 www 1129: my $bgcolor=$defaultbg.((($showf-1)/5==int(($showf-1)/5))?'99':'DD');
1.6 www 1130: my ($fm,$vl)=split(/\_\_\_eq\_\_\_/,$_);
1.62 www 1131: if ((($vl ne '') || ($vl eq '0')) &&
1132: (($showf==1) || ($sheettype ne 'studentcalc'))) { $dataflag=1; }
1.6 www 1133: if ($showf==0) { $vl=$_; }
1.71 www 1134: unless ($ENV{'form.showcsv'}) {
1.18 www 1135: if ($showf<=$maxred) { $bgcolor='#FFDDDD'; }
1.9 www 1136: if (($n==0) && ($showf<=26)) { $bgcolor='#CCCCFF'; }
1.18 www 1137: if (($showf>$maxred) || ((!$n) && ($showf>0))) {
1.6 www 1138: if ($vl eq '') {
1.9 www 1139: $vl='<font size=+2 color='.$bgcolor.'>#</font>';
1.6 www 1140: }
1141: $rowdata.=
1.10 www 1142: '<td bgcolor='.$bgcolor.'><a href="javascript:celledit('.$fm.');">'.$vl.
1.6 www 1143: '</a></td>';
1144: } else {
1.9 www 1145: $rowdata.='<td bgcolor='.$bgcolor.'> '.$vl.' </td>';
1.6 www 1146: }
1.71 www 1147: } else {
1148: $rowdata.=',"'.$vl.'"';
1149: }
1.6 www 1150: $showf++;
1.78 matthew 1151: } # End of foreach($safeval...)
1.61 www 1152: if ($ENV{'form.showall'} || ($dataflag)) {
1.71 www 1153: return $rowdata.($ENV{'form.showcsv'}?'':'</tr>');
1.61 www 1154: } else {
1.63 www 1155: return '';
1.61 www 1156: }
1.6 www 1157: }
1158:
1159: # ------------------------------------------------------------- Print out sheet
1160:
1161: sub outsheet {
1.24 www 1162: my ($r,$safeeval)=@_;
1.18 www 1163: my $maxred;
1164: my $realm;
1165: if (&gettype($safeeval) eq 'assesscalc') {
1166: $maxred=1;
1167: $realm='Assessment';
1168: } elsif (&gettype($safeeval) eq 'studentcalc') {
1169: $maxred=26;
1170: $realm='User';
1171: } else {
1172: $maxred=26;
1173: $realm='Course';
1174: }
1175: my $maxyellow=52-$maxred;
1.71 www 1176: my $tabledata;
1177: unless ($ENV{'form.showcsv'}) {
1178: $tabledata=
1.24 www 1179: '<table border=2><tr><th colspan=2 rowspan=2><font size=+2>'.
1.18 www 1180: $realm.'</font></th>'.
1181: '<td bgcolor=#FFDDDD colspan='.$maxred.
1182: '><b><font size=+1>Import</font></b></td>'.
1183: '<td colspan='.$maxyellow.
1184: '><b><font size=+1>Calculations</font></b></td></tr><tr>';
1185: my $showf=0;
1.78 matthew 1186: foreach ('A','B','C','D','E','F','G','H','I','J','K','L','M',
1187: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
1188: 'a','b','c','d','e','f','g','h','i','j','k','l','m',
1189: 'n','o','p','q','r','s','t','u','v','w','x','y','z') {
1.18 www 1190: $showf++;
1191: if ($showf<=$maxred) {
1192: $tabledata.='<td bgcolor="#FFDDDD">';
1193: } else {
1194: $tabledata.='<td>';
1195: }
1196: $tabledata.="<b><font size=+1>$_</font></b></td>";
1.78 matthew 1197: }
1.71 www 1198: $tabledata.='</tr>'.&rown($safeeval,'-').&rown($safeeval,0);
1199: } else { $tabledata='<pre>'; }
1200:
1201: $r->print($tabledata);
1202:
1.6 www 1203: my $row;
1204: my $maxrow=&getmaxrow($safeeval);
1.64 www 1205:
1.65 www 1206: my @sortby=();
1207: my @sortidx=();
1208: for ($row=1;$row<=$maxrow;$row++) {
1209: $sortby[$row-1]=$safeeval->reval('$f{"A'.$row.'"}');
1210: $sortidx[$row-1]=$row-1;
1211: }
1212: @sortidx=sort { $sortby[$a] cmp $sortby[$b]; } @sortidx;
1.64 www 1213:
1.63 www 1214: my $what='Student';
1215: if (&gettype($safeeval) eq 'assesscalc') {
1216: $what='Item';
1217: } elsif (&gettype($safeeval) eq 'studentcalc') {
1218: $what='Assessment';
1219: }
1.65 www 1220:
1221: my $n=0;
1222: for ($row=0;$row<$maxrow;$row++) {
1223: my $thisrow=&rown($safeeval,$sortidx[$row]+1);
1224: if ($thisrow) {
1.71 www 1225: if (($n/25==int($n/25)) && (!$ENV{'form.showcsv'})) {
1.65 www 1226: $r->print("</table>\n<br>\n");
1227: $r->rflush();
1228: $r->print('<table border=2><tr><td> <td>'.$what.'</td>');
1.78 matthew 1229: foreach ('A','B','C','D','E','F','G','H','I','J','K','L','M',
1230: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
1231: 'a','b','c','d','e','f','g','h','i','j','k','l','m',
1232: 'n','o','p','q','r','s','t','u','v','w','x','y','z') {
1.63 www 1233: $r->print('<td>'.$_.'</td>');
1.78 matthew 1234: }
1.63 www 1235: $r->print('</tr>');
1236: }
1.64 www 1237: $n++;
1238: $r->print($thisrow);
1.63 www 1239: }
1.6 www 1240: }
1.71 www 1241: $r->print($ENV{'form.showcsv'}?'</pre>':'</table>');
1.6 www 1242: }
1243:
1.27 www 1244: #
1.55 www 1245: # ----------------------------------------------- Read list of available sheets
1246: #
1247: sub othersheets {
1248: my ($safeeval,$stype)=@_;
1.81 matthew 1249: #
1.55 www 1250: my $cnum=&getcnum($safeeval);
1251: my $cdom=&getcdom($safeeval);
1252: my $chome=&getchome($safeeval);
1.81 matthew 1253: #
1.55 www 1254: my @alternatives=();
1.81 matthew 1255: my %results=&Apache::lonnet::dump($stype.'_spreadsheets',$cdom,$cnum);
1256: my ($tmp) = keys(%results);
1257: unless ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1258: @alternatives = sort (keys(%results));
1259: }
1.55 www 1260: return @alternatives;
1261: }
1262:
1.82 matthew 1263:
1264: #
1265: # -------------------------------------- Parse a spreadsheet
1266: #
1267: sub parse_sheet {
1268: # $sheetxml is a scalar reference or a scalar
1269: my ($sheetxml) = @_;
1270: if (! ref($sheetxml)) {
1271: my $tmp = $sheetxml;
1272: $sheetxml = \$tmp;
1273: }
1274: my %f;
1275: my $parser=HTML::TokeParser->new($sheetxml);
1276: my $token;
1277: while ($token=$parser->get_token) {
1278: if ($token->[0] eq 'S') {
1279: if ($token->[1] eq 'field') {
1280: $f{$token->[2]->{'col'}.$token->[2]->{'row'}}=
1281: $parser->get_text('/field');
1282: }
1283: if ($token->[1] eq 'template') {
1284: $f{'template_'.$token->[2]->{'col'}}=
1285: $parser->get_text('/template');
1286: }
1287: }
1288: }
1289: return \%f;
1290: }
1291:
1.55 www 1292: #
1.27 www 1293: # -------------------------------------- Read spreadsheet formulas for a course
1294: #
1295:
1296: sub readsheet {
1297: my ($safeeval,$fn)=@_;
1298: my $stype=&gettype($safeeval);
1299: my $cnum=&getcnum($safeeval);
1.28 www 1300: my $cdom=&getcdom($safeeval);
1301: my $chome=&getchome($safeeval);
1.27 www 1302:
1.83 matthew 1303: if (! defined($fn)) {
1.82 matthew 1304: # There is no filename. Look for defaults in course and global, cache
1.28 www 1305: unless ($fn=$defaultsheets{$cnum.'_'.$cdom.'_'.$stype}) {
1.82 matthew 1306: my %tmphash = &Apache::lonnet::get('environment',
1307: ['spreadsheet_default_'.$stype],
1308: $cdom,$cnum);
1309: my ($tmp) = keys(%tmphash);
1310: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1311: $fn = 'default_'.$stype;
1312: } else {
1313: $fn = $tmphash{'spreadsheet_default_'.$stype};
1314: }
1.90 www 1315: unless (($fn) && ($fn!~/^error\:/)) {
1316: $fn='default_'.$stype;
1317: }
1.82 matthew 1318: $defaultsheets{$cnum.'_'.$cdom.'_'.$stype}=$fn;
1319: }
1.27 www 1320: }
1321:
1322: # ---------------------------------------------------------- fn now has a value
1323:
1324: &setfilename($safeeval,$fn);
1325:
1326: # ------------------------------------------------------ see if sheet is cached
1327: my $fstring='';
1.28 www 1328: if ($fstring=$spreadsheets{$cnum.'_'.$cdom.'_'.$stype.'_'.$fn}) {
1329: &setformulas($safeeval,split(/\_\_\_\;\_\_\_/,$fstring));
1.27 www 1330: } else {
1.6 www 1331:
1.27 www 1332: # ---------------------------------------------------- Not cached, need to read
1.5 www 1333:
1.27 www 1334: my %f=();
1.3 www 1335:
1.27 www 1336: if ($fn=~/^default\_/) {
1.82 matthew 1337: my $sheetxml='';
1.10 www 1338: my $fh;
1.73 www 1339: my $dfn=$fn;
1340: $dfn=~s/\_/\./g;
1341: if ($fh=Apache::File->new($includedir.'/'.$dfn)) {
1.82 matthew 1342: $sheetxml=join('',<$fh>);
1343: } else {
1.73 www 1344: $sheetxml='<field row="0" col="A">"Error"</field>';
1.82 matthew 1345: }
1.83 matthew 1346: %f=%{&parse_sheet(\$sheetxml)};
1.82 matthew 1347: } elsif($fn=~/\/*\.spreadsheet$/) {
1.83 matthew 1348: my $sheetxml=&Apache::lonnet::getfile
1349: (&Apache::lonnet::filelocation('',$fn));
1350: if ($sheetxml == -1) {
1.82 matthew 1351: $sheetxml='<field row="0" col="A">"Error loading spreadsheet '
1352: .$fn.'"</field>';
1353: }
1.83 matthew 1354: %f=%{&parse_sheet(\$sheetxml)};
1.82 matthew 1355: } else {
1356: my $sheet='';
1357: my %tmphash = &Apache::lonnet::dump($fn,$cdom,$cnum);
1358: my ($tmp) = keys(%tmphash);
1359: unless ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1360: foreach (keys(%tmphash)) {
1361: $f{$_}=$tmphash{$_};
1.20 www 1362: }
1.82 matthew 1363: }
1364: }
1.27 www 1365: # --------------------------------------------------------------- Cache and set
1.28 www 1366: $spreadsheets{$cnum.'_'.$cdom.'_'.$stype.'_'.$fn}=join('___;___',%f);
1.27 www 1367: &setformulas($safeeval,%f);
1.3 www 1368: }
1369: }
1370:
1.28 www 1371: # -------------------------------------------------------- Make new spreadsheet
1372:
1373: sub makenewsheet {
1374: my ($uname,$udom,$stype,$usymb)=@_;
1.36 www 1375: my $safeeval=initsheet($stype);
1.28 www 1376: $safeeval->reval(
1.29 www 1377: '$uname="'.$uname.
1378: '";$udom="'.$udom.
1379: '";$uhome="'.&Apache::lonnet::homeserver($uname,$udom).
1380: '";$sheettype="'.$stype.
1381: '";$usymb="'.$usymb.
1.30 www 1382: '";$csec="'.&Apache::lonnet::usection($udom,$uname,
1383: $ENV{'request.course.id'}).
1.29 www 1384: '";$cid="'.$ENV{'request.course.id'}.
1385: '";$cfn="'.$ENV{'request.course.fn'}.
1386: '";$cnum="'.$ENV{'course.'.$ENV{'request.course.id'}.'.num'}.
1387: '";$cdom="'.$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.
1388: '";$chome="'.$ENV{'course.'.$ENV{'request.course.id'}.'.home'}.'";');
1.28 www 1389: return $safeeval;
1390: }
1391:
1.19 www 1392: # ------------------------------------------------------------ Save spreadsheet
1393:
1394: sub writesheet {
1.28 www 1395: my ($safeeval,$makedef)=@_;
1396: my $cid=&getcid($safeeval);
1397: if (&Apache::lonnet::allowed('opa',$cid)) {
1.19 www 1398: my %f=&getformulas($safeeval);
1.28 www 1399: my $stype=&gettype($safeeval);
1400: my $cnum=&getcnum($safeeval);
1401: my $cdom=&getcdom($safeeval);
1402: my $chome=&getchome($safeeval);
1403: my $fn=&getfilename($safeeval);
1404:
1405: # ------------------------------------------------------------- Cache new sheet
1406: $spreadsheets{$cnum.'_'.$cdom.'_'.$stype.'_'.$fn}=join('___;___',%f);
1407: # ----------------------------------------------------------------- Write sheet
1.19 www 1408: my $sheetdata='';
1.78 matthew 1409: foreach (keys(%f)) {
1.56 www 1410: unless ($f{$_} eq 'import') {
1.19 www 1411: $sheetdata.=&Apache::lonnet::escape($_).'='.
1412: &Apache::lonnet::escape($f{$_}).'&';
1.56 www 1413: }
1.78 matthew 1414: }
1.19 www 1415: $sheetdata=~s/\&$//;
1.28 www 1416: my $reply=&Apache::lonnet::reply('put:'.$cdom.':'.$cnum.':'.$fn.':'.
1417: $sheetdata,$chome);
1.22 www 1418: if ($reply eq 'ok') {
1.28 www 1419: $reply=&Apache::lonnet::reply('put:'.$cdom.':'.$cnum.':'.
1.30 www 1420: $stype.'_spreadsheets:'.
1.55 www 1421: &Apache::lonnet::escape($fn).'='.$ENV{'user.name'}.'@'.
1422: $ENV{'user.domain'},
1.28 www 1423: $chome);
1424: if ($reply eq 'ok') {
1425: if ($makedef) {
1426: return &Apache::lonnet::reply('put:'.$cdom.':'.$cnum.
1427: ':environment:spreadsheet_default_'.$stype.'='.
1428: &Apache::lonnet::escape($fn),
1429: $chome);
1430: } else {
1431: return $reply;
1432: }
1433: } else {
1434: return $reply;
1435: }
1.22 www 1436: } else {
1437: return $reply;
1438: }
1439: }
1440: return 'unauthorized';
1.19 www 1441: }
1442:
1.10 www 1443: # ----------------------------------------------- Make a temp copy of the sheet
1.28 www 1444: # "Modified workcopy" - interactive only
1445: #
1.10 www 1446:
1447: sub tmpwrite {
1.28 www 1448: my $safeeval=shift;
1449: my $fn=$ENV{'user.name'}.'_'.
1450: $ENV{'user.domain'}.'_spreadsheet_'.&getusymb($safeeval).'_'.
1451: &getfilename($safeeval);
1.10 www 1452: $fn=~s/\W/\_/g;
1453: $fn=$tmpdir.$fn.'.tmp';
1454: my $fh;
1455: if ($fh=Apache::File->new('>'.$fn)) {
1456: print $fh join("\n",&getformulas($safeeval));
1457: }
1458: }
1459:
1460: # ---------------------------------------------------------- Read the temp copy
1461:
1462: sub tmpread {
1.28 www 1463: my ($safeeval,$nfield,$nform)=@_;
1464: my $fn=$ENV{'user.name'}.'_'.
1465: $ENV{'user.domain'}.'_spreadsheet_'.&getusymb($safeeval).'_'.
1466: &getfilename($safeeval);
1.10 www 1467: $fn=~s/\W/\_/g;
1468: $fn=$tmpdir.$fn.'.tmp';
1469: my $fh;
1470: my %fo=();
1.92 www 1471: my $countrows=0;
1.10 www 1472: if ($fh=Apache::File->new($fn)) {
1473: my $name;
1474: while ($name=<$fh>) {
1475: chomp($name);
1476: my $value=<$fh>;
1477: chomp($value);
1478: $fo{$name}=$value;
1.93 www 1479: if ($name=~/^A(\d+)$/) {
1480: if ($1>$countrows) {
1481: $countrows=$1;
1482: }
1483: }
1.10 www 1484: }
1485: }
1.55 www 1486: if ($nform eq 'changesheet') {
1.57 www 1487: $fo{'A'.$nfield}=(split(/\_\_\&\&\&\_\_/,$fo{'A'.$nfield}))[0];
1.55 www 1488: unless ($ENV{'form.sel_'.$nfield} eq 'Default') {
1.57 www 1489: $fo{'A'.$nfield}.='__&&&__'.$ENV{'form.sel_'.$nfield};
1.55 www 1490: }
1.92 www 1491: } elsif ($nfield eq 'insertrow') {
1.93 www 1492: $countrows++;
1.94 ! www 1493: my $newrow=substr('000000'.$i,-7);
1.92 www 1494: if ($nform eq 'top') {
1.94 ! www 1495: $fo{'A'.$countrows}='--- '.$newrow;
1.92 www 1496: } else {
1.94 ! www 1497: $fo{'A'.$countrows}='~~~ '.$newrow;
1.92 www 1498: }
1.55 www 1499: } else {
1500: if ($nfield) { $fo{$nfield}=$nform; }
1501: }
1.10 www 1502: &setformulas($safeeval,%fo);
1503: }
1504:
1.11 www 1505: # ================================================================== Parameters
1506: # -------------------------------------------- Figure out a cascading parameter
1.28 www 1507: #
1.29 www 1508: # For this function to work
1509: #
1510: # * parmhash needs to be tied
1511: # * courseopt and useropt need to be initialized for this user and course
1512: #
1.11 www 1513:
1514: sub parmval {
1.28 www 1515: my ($what,$safeeval)=@_;
1516: my $cid=&getcid($safeeval);
1517: my $csec=&getcsec($safeeval);
1518: my $uname=&getuname($safeeval);
1519: my $udom=&getudom($safeeval);
1520: my $symb=&getusymb($safeeval);
1.11 www 1521:
1522: unless ($symb) { return ''; }
1523: my $result='';
1524:
1525: my ($mapname,$id,$fn)=split(/\_\_\_/,$symb);
1526: # ----------------------------------------------------- Cascading lookup scheme
1.12 www 1527: my $rwhat=$what;
1528: $what=~s/^parameter\_//;
1.68 www 1529: $what=~s/\_([^\_]+)$/\.$1/;
1.11 www 1530:
1531: my $symbparm=$symb.'.'.$what;
1532: my $mapparm=$mapname.'___(all).'.$what;
1.29 www 1533: my $usercourseprefix=$uname.'_'.$udom.'_'.$cid;
1.11 www 1534:
1535: my $seclevel=
1.28 www 1536: $usercourseprefix.'.['.
1.11 www 1537: $csec.'].'.$what;
1538: my $seclevelr=
1.28 www 1539: $usercourseprefix.'.['.
1.11 www 1540: $csec.'].'.$symbparm;
1541: my $seclevelm=
1.28 www 1542: $usercourseprefix.'.['.
1.11 www 1543: $csec.'].'.$mapparm;
1544:
1545: my $courselevel=
1.28 www 1546: $usercourseprefix.'.'.$what;
1.11 www 1547: my $courselevelr=
1.28 www 1548: $usercourseprefix.'.'.$symbparm;
1.11 www 1549: my $courselevelm=
1.28 www 1550: $usercourseprefix.'.'.$mapparm;
1.12 www 1551:
1.11 www 1552: # ---------------------------------------------------------- fourth, check user
1553:
1554: if ($uname) {
1555:
1556: if ($useropt{$courselevelr}) { return $useropt{$courselevelr}; }
1557:
1558: if ($useropt{$courselevelm}) { return $useropt{$courselevelm}; }
1559:
1560: if ($useropt{$courselevel}) { return $useropt{$courselevel}; }
1561:
1562: }
1563:
1564: # --------------------------------------------------------- third, check course
1565:
1566: if ($csec) {
1567:
1568: if ($courseopt{$seclevelr}) { return $courseopt{$seclevelr}; }
1569:
1570: if ($courseopt{$seclevelm}) { return $courseopt{$seclevelm}; }
1571:
1572: if ($courseopt{$seclevel}) { return $courseopt{$seclevel}; }
1573:
1574: }
1575:
1576: if ($courseopt{$courselevelr}) { return $courseopt{$courselevelr}; }
1577:
1578: if ($courseopt{$courselevelm}) { return $courseopt{$courselevelm}; }
1579:
1580: if ($courseopt{$courselevel}) { return $courseopt{$courselevel}; }
1581:
1582: # ----------------------------------------------------- second, check map parms
1583:
1584: my $thisparm=$parmhash{$symbparm};
1585: if ($thisparm) { return $thisparm; }
1586:
1587: # -------------------------------------------------------- first, check default
1588:
1.12 www 1589: return &Apache::lonnet::metadata($fn,$rwhat.'.default');
1.11 www 1590:
1591: }
1592:
1.23 www 1593: # ---------------------------------------------- Update rows for course listing
1.11 www 1594:
1.28 www 1595: sub updateclasssheet {
1.23 www 1596: my $safeeval=shift;
1.28 www 1597: my $cnum=&getcnum($safeeval);
1598: my $cdom=&getcdom($safeeval);
1599: my $cid=&getcid($safeeval);
1600: my $chome=&getchome($safeeval);
1601:
1602: # ---------------------------------------------- Read class list and row labels
1603:
1.23 www 1604: my $classlst=&Apache::lonnet::reply
1.28 www 1605: ('dump:'.$cdom.':'.$cnum.':classlist',$chome);
1.23 www 1606: my %currentlist=();
1607: my $now=time;
1608: unless ($classlst=~/^error\:/) {
1.78 matthew 1609: foreach (split(/\&/,$classlst)) {
1.23 www 1610: my ($name,$value)=split(/\=/,$_);
1.24 www 1611: my ($end,$start)=split(/\:/,&Apache::lonnet::unescape($value));
1.23 www 1612: my $active=1;
1613: if (($end) && ($now>$end)) { $active=0; }
1614: if ($active) {
1.24 www 1615: my $rowlabel='';
1616: $name=&Apache::lonnet::unescape($name);
1.28 www 1617: my ($sname,$sdom)=split(/\:/,$name);
1618: my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);
1619: if ($ssec==-1) {
1.71 www 1620: unless ($ENV{'form.showcsv'}) {
1.24 www 1621: $rowlabel='<font color=red>Data not available: '.$name.
1622: '</font>';
1.71 www 1623: } else {
1624: $rowlabel='ERROR","'.$name.
1625: '","Data not available","","","';
1626: }
1.24 www 1627: } else {
1.28 www 1628: my %reply=&Apache::lonnet::idrget($sdom,$sname);
1629: my $reply=&Apache::lonnet::reply('get:'.$sdom.':'.$sname.
1.24 www 1630: ':environment:firstname&middlename&lastname&generation',
1.28 www 1631: &Apache::lonnet::homeserver($sname,$sdom));
1.71 www 1632: unless ($ENV{'form.showcsv'}) {
1.45 www 1633: $rowlabel='<a href="/adm/studentcalc?uname='.$sname.
1634: '&udom='.$sdom.'">'.
1635: $ssec.' '.$reply{$sname}.'<br>';
1.78 matthew 1636: foreach ( split(/\&/,$reply)) {
1.24 www 1637: $rowlabel.=&Apache::lonnet::unescape($_).' ';
1.78 matthew 1638: }
1.45 www 1639: $rowlabel.='</a>';
1.71 www 1640: } else {
1641: $rowlabel=$ssec.'","'.$reply{$sname}.'"';
1642: my $ncount=0;
1.78 matthew 1643: foreach (split(/\&/,$reply)) {
1.71 www 1644: $rowlabel.=',"'.&Apache::lonnet::unescape($_).'"';
1645: $ncount++;
1.78 matthew 1646: }
1.71 www 1647: unless ($ncount==4) { $rowlabel.=',""'; }
1648: $rowlabel=~s/\"$//;
1649: }
1.24 www 1650: }
1651: $currentlist{&Apache::lonnet::unescape($name)}=$rowlabel;
1.23 www 1652: }
1.78 matthew 1653: } # end of foreach (split(/\&/,$classlst))
1.23 www 1654: #
1655: # -------------------- Find discrepancies between the course row table and this
1656: #
1657: my %f=&getformulas($safeeval);
1658: my $changed=0;
1659:
1660: my $maxrow=0;
1661: my %existing=();
1662:
1663: # ----------------------------------------------------------- Now obsolete rows
1.78 matthew 1664: foreach (keys(%f)) {
1.23 www 1665: if ($_=~/^A(\d+)/) {
1666: $maxrow=($1>$maxrow)?$1:$maxrow;
1667: $existing{$f{$_}}=1;
1668: unless ((defined($currentlist{$f{$_}})) || (!$1)) {
1669: $f{$_}='!!! Obsolete';
1670: $changed=1;
1671: }
1672: }
1.78 matthew 1673: }
1.23 www 1674:
1675: # -------------------------------------------------------- New and unknown keys
1676:
1.78 matthew 1677: foreach (sort keys(%currentlist)) {
1.23 www 1678: unless ($existing{$_}) {
1679: $changed=1;
1680: $maxrow++;
1681: $f{'A'.$maxrow}=$_;
1682: }
1.78 matthew 1683: }
1.23 www 1684:
1685: if ($changed) { &setformulas($safeeval,%f); }
1686:
1687: &setmaxrow($safeeval,$maxrow);
1688: &setrowlabels($safeeval,%currentlist);
1689:
1690: } else {
1691: return 'Could not access course data';
1692: }
1693: }
1.5 www 1694:
1.28 www 1695: # ----------------------------------- Update rows for student and assess sheets
1696:
1697: sub updatestudentassesssheet {
1.5 www 1698: my $safeeval=shift;
1699: my %bighash;
1.35 www 1700: my $stype=&gettype($safeeval);
1701: my %current=();
1702: unless ($updatedata{$ENV{'request.course.fn'}.'_'.$stype}) {
1.5 www 1703: # -------------------------------------------------------------------- Tie hash
1704: if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db',
1705: &GDBM_READER,0640)) {
1706: # --------------------------------------------------------- Get all assessments
1707:
1.52 www 1708: my %allkeys=('timestamp' =>
1.75 www 1709: 'Timestamp of Last Transaction<br>timestamp',
1710: 'subnumber' =>
1711: 'Number of Submissions<br>subnumber',
1712: 'tutornumber' =>
1713: 'Number of Tutor Responses<br>tutornumber',
1714: 'totalpoints' =>
1715: 'Total Points Granted<br>totalpoints');
1.5 www 1716:
1.50 www 1717: my $adduserstr='';
1718: if ((&getuname($safeeval) ne $ENV{'user.name'}) ||
1719: (&getudom($safeeval) ne $ENV{'user.domain'})) {
1720: $adduserstr='&uname='.&getuname($safeeval).
1721: '&udom='.&getudom($safeeval);
1722: }
1723:
1.72 www 1724: my %allassess=('_feedback' =>
1725: '<a href="/adm/assesscalc?usymb=_feedback'.$adduserstr.
1726: '">Feedback</a>',
1727: '_evaluation' =>
1728: '<a href="/adm/assesscalc?usymb=_evaluation'.$adduserstr.
1729: '">Evaluation</a>',
1730: '_tutoring' =>
1731: '<a href="/adm/assesscalc?usymb=_tutoring'.$adduserstr.
1.74 www 1732: '">Tutoring</a>',
1733: '_discussion' =>
1734: '<a href="/adm/assesscalc?usymb=_discussion'.$adduserstr.
1735: '">Discussion</a>'
1.72 www 1736: );
1737:
1.78 matthew 1738: foreach (keys(%bighash)) {
1.5 www 1739: if ($_=~/^src\_(\d+)\.(\d+)$/) {
1740: my $mapid=$1;
1741: my $resid=$2;
1742: my $id=$mapid.'.'.$resid;
1743: my $srcf=$bighash{$_};
1744: if ($srcf=~/\.(problem|exam|quiz|assess|survey|form)$/) {
1745: my $symb=
1746: &Apache::lonnet::declutter($bighash{'map_id_'.$mapid}).
1747: '___'.$resid.'___'.
1748: &Apache::lonnet::declutter($srcf);
1.38 www 1749: $allassess{$symb}=
1.50 www 1750: '<a href="/adm/assesscalc?usymb='.$symb.$adduserstr.'">'.
1751: $bighash{'title_'.$id}.'</a>';
1.6 www 1752: if ($stype eq 'assesscalc') {
1.78 matthew 1753: foreach (split(/\,/,
1754: &Apache::lonnet::metadata($srcf,'keys'))) {
1.11 www 1755: if (($_=~/^stores\_(.*)/) || ($_=~/^parameter\_(.*)/)) {
1.5 www 1756: my $key=$_;
1757: my $display=
1758: &Apache::lonnet::metadata($srcf,$key.'.display');
1759: unless ($display) {
1.40 www 1760: $display.=
1.5 www 1761: &Apache::lonnet::metadata($srcf,$key.'.name');
1762: }
1.40 www 1763: $display.='<br>'.$key;
1.5 www 1764: $allkeys{$key}=$display;
1765: }
1.78 matthew 1766: } # end of foreach
1.5 www 1767: }
1768: }
1769: }
1.78 matthew 1770: } # end of foreach (keys(%bighash))
1.5 www 1771: untie(%bighash);
1772:
1773: #
1.11 www 1774: # %allkeys has a list of storage and parameter displays by unikey
1.5 www 1775: # %allassess has a list of all resource displays by symb
1776: #
1.6 www 1777:
1778: if ($stype eq 'assesscalc') {
1779: %current=%allkeys;
1780: } elsif ($stype eq 'studentcalc') {
1781: %current=%allassess;
1782: }
1.35 www 1783: $updatedata{$ENV{'request.course.fn'}.'_'.$stype}=
1784: join('___;___',%current);
1785: } else {
1786: return 'Could not access course data';
1787: }
1788: # ------------------------------------------------------ Get current from cache
1789: } else {
1790: %current=split(/\_\_\_\;\_\_\_/,
1791: $updatedata{$ENV{'request.course.fn'}.'_'.$stype});
1792: }
1793: # -------------------- Find discrepancies between the course row table and this
1794: #
1795: my %f=&getformulas($safeeval);
1796: my $changed=0;
1.6 www 1797:
1798: my $maxrow=0;
1799: my %existing=();
1800:
1801: # ----------------------------------------------------------- Now obsolete rows
1.78 matthew 1802: foreach (keys(%f)) {
1.6 www 1803: if ($_=~/^A(\d+)/) {
1804: $maxrow=($1>$maxrow)?$1:$maxrow;
1.57 www 1805: my ($usy,$ufn)=split(/\_\_\&\&\&\_\_/,$f{$_});
1806: $existing{$usy}=1;
1807: unless ((defined($current{$usy})) || (!$1)) {
1.6 www 1808: $f{$_}='!!! Obsolete';
1809: $changed=1;
1.57 www 1810: } elsif ($ufn) {
1811: $current{$usy}
1812: =~s/assesscalc\?usymb\=/assesscalc\?ufn\=$ufn\&usymb\=/;
1.5 www 1813: }
1814: }
1.78 matthew 1815: }
1.6 www 1816:
1817: # -------------------------------------------------------- New and unknown keys
1818:
1.78 matthew 1819: foreach (keys(%current)) {
1.6 www 1820: unless ($existing{$_}) {
1821: $changed=1;
1822: $maxrow++;
1823: $f{'A'.$maxrow}=$_;
1824: }
1.78 matthew 1825: }
1.35 www 1826:
1.6 www 1827: if ($changed) { &setformulas($safeeval,%f); }
1828:
1829: &setmaxrow($safeeval,$maxrow);
1830: &setrowlabels($safeeval,%current);
1.35 www 1831:
1832: undef %current;
1833: undef %existing;
1.5 www 1834: }
1.3 www 1835:
1.24 www 1836: # ------------------------------------------------ Load data for one assessment
1.16 www 1837:
1.29 www 1838: sub loadstudent {
1.16 www 1839: my $safeeval=shift;
1840: my %c=();
1841: my %f=&getformulas($safeeval);
1.39 www 1842: $cachedassess=&getuname($safeeval).':'.&getudom($safeeval);
1843: %cachedstores=();
1844: {
1845: my $reply=&Apache::lonnet::reply('dump:'.&getudom($safeeval).':'.
1846: &getuname($safeeval).':'.
1847: &getcid($safeeval),
1848: &getuhome($safeeval));
1849: unless ($reply=~/^error\:/) {
1.78 matthew 1850: foreach ( split(/\&/,$reply)) {
1.39 www 1851: my ($name,$value)=split(/\=/,$_);
1852: $cachedstores{&Apache::lonnet::unescape($name)}=
1853: &Apache::lonnet::unescape($value);
1.78 matthew 1854: }
1.39 www 1855: }
1856: }
1.36 www 1857: my @assessdata=();
1.78 matthew 1858: foreach (keys(%f)) {
1.17 www 1859: if ($_=~/^A(\d+)/) {
1860: my $row=$1;
1.42 www 1861: unless (($f{$_}=~/^\!/) || ($row==0)) {
1.55 www 1862: my ($usy,$ufn)=split(/\_\_\&\&\&\_\_/,$f{$_});
1.36 www 1863: @assessdata=&exportsheet(&getuname($safeeval),
1864: &getudom($safeeval),
1.55 www 1865: 'assesscalc',$usy,$ufn);
1.17 www 1866: my $index=0;
1.78 matthew 1867: foreach ('A','B','C','D','E','F','G','H','I','J','K','L','M',
1868: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z') {
1.30 www 1869: if ($assessdata[$index]) {
1.41 www 1870: my $col=$_;
1871: if ($assessdata[$index]=~/\D/) {
1872: $c{$col.$row}="'".$assessdata[$index]."'";
1873: } else {
1874: $c{$col.$row}=$assessdata[$index];
1875: }
1876: unless ($col eq 'A') {
1877: $f{$col.$row}='import';
1.30 www 1878: }
1879: }
1880: $index++;
1.78 matthew 1881: }
1.16 www 1882: }
1883: }
1.78 matthew 1884: }
1.39 www 1885: $cachedassess='';
1886: undef %cachedstores;
1.18 www 1887: &setformulas($safeeval,%f);
1.16 www 1888: &setconstants($safeeval,%c);
1889: }
1890:
1.24 www 1891: # --------------------------------------------------- Load data for one student
1892:
1.30 www 1893: sub loadcourse {
1.37 www 1894: my ($safeeval,$r)=@_;
1.24 www 1895: my %c=();
1896: my %f=&getformulas($safeeval);
1.37 www 1897: my $total=0;
1.78 matthew 1898: foreach (keys(%f)) {
1.37 www 1899: if ($_=~/^A(\d+)/) {
1900: unless ($f{$_}=~/^\!/) { $total++; }
1901: }
1.78 matthew 1902: }
1.37 www 1903: my $now=0;
1904: my $since=time;
1.39 www 1905: $r->print(<<ENDPOP);
1906: <script>
1907: popwin=open('','popwin','width=400,height=100');
1908: popwin.document.writeln('<html><body bgcolor="#FFFFFF">'+
1.50 www 1909: '<h3>Spreadsheet Calculation Progress</h3>'+
1.39 www 1910: '<form name=popremain>'+
1911: '<input type=text size=35 name=remaining value=Starting></form>'+
1912: '</body></html>');
1.42 www 1913: popwin.document.close();
1.39 www 1914: </script>
1915: ENDPOP
1.37 www 1916: $r->rflush();
1.78 matthew 1917: foreach (keys(%f)) {
1.24 www 1918: if ($_=~/^A(\d+)/) {
1919: my $row=$1;
1.42 www 1920: unless (($f{$_}=~/^\!/) || ($row==0)) {
1.37 www 1921: my @studentdata=&exportsheet(split(/\:/,$f{$_}),
1.30 www 1922: 'studentcalc');
1.37 www 1923: undef %userrdatas;
1924: $now++;
1.39 www 1925: $r->print('<script>popwin.document.popremain.remaining.value="'.
1.37 www 1926: $now.'/'.$total.': '.int((time-$since)/$now*($total-$now)).
1.39 www 1927: ' secs remaining";</script>');
1.37 www 1928: $r->rflush();
1929:
1.24 www 1930: my $index=0;
1.78 matthew 1931: foreach ('A','B','C','D','E','F','G','H','I','J','K','L','M',
1932: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z') {
1.30 www 1933: if ($studentdata[$index]) {
1.41 www 1934: my $col=$_;
1935: if ($studentdata[$index]=~/\D/) {
1936: $c{$col.$row}="'".$studentdata[$index]."'";
1937: } else {
1938: $c{$col.$row}=$studentdata[$index];
1939: }
1940: unless ($col eq 'A') {
1941: $f{$col.$row}='import';
1.30 www 1942: }
1943: }
1944: $index++;
1.78 matthew 1945: }
1.24 www 1946: }
1947: }
1.78 matthew 1948: }
1.24 www 1949: &setformulas($safeeval,%f);
1950: &setconstants($safeeval,%c);
1.43 www 1951: $r->print('<script>popwin.close()</script>');
1.37 www 1952: $r->rflush();
1.24 www 1953: }
1954:
1.6 www 1955: # ------------------------------------------------ Load data for one assessment
1956:
1.29 www 1957: sub loadassessment {
1958: my $safeeval=shift;
1959:
1960: my $uhome=&getuhome($safeeval);
1961: my $uname=&getuname($safeeval);
1962: my $udom=&getudom($safeeval);
1963: my $symb=&getusymb($safeeval);
1964: my $cid=&getcid($safeeval);
1965: my $cnum=&getcnum($safeeval);
1966: my $cdom=&getcdom($safeeval);
1967: my $chome=&getchome($safeeval);
1968:
1.6 www 1969: my $namespace;
1.29 www 1970: unless ($namespace=$cid) { return ''; }
1.11 www 1971:
1972: # ----------------------------------------------------------- Get stored values
1.39 www 1973:
1974: my %returnhash=();
1975:
1976: if ($cachedassess eq $uname.':'.$udom) {
1977: #
1978: # get data out of the dumped stores
1979: #
1980:
1981: my $version=$cachedstores{'version:'.$symb};
1982: my $scope;
1983: for ($scope=1;$scope<=$version;$scope++) {
1.78 matthew 1984: foreach (split(/\:/,$cachedstores{$scope.':keys:'.$symb})) {
1.39 www 1985: $returnhash{$_}=$cachedstores{$scope.':'.$symb.':'.$_};
1.78 matthew 1986: }
1.39 www 1987: }
1988:
1989: } else {
1990: #
1991: # restore individual
1992: #
1993:
1.11 www 1994: my $answer=&Apache::lonnet::reply(
1.15 www 1995: "restore:$udom:$uname:".
1996: &Apache::lonnet::escape($namespace).":".
1997: &Apache::lonnet::escape($symb),$uhome);
1.78 matthew 1998: foreach (split(/\&/,$answer)) {
1.6 www 1999: my ($name,$value)=split(/\=/,$_);
1.11 www 2000: $returnhash{&Apache::lonnet::unescape($name)}=
2001: &Apache::lonnet::unescape($value);
1.78 matthew 2002: }
1.6 www 2003: my $version;
2004: for ($version=1;$version<=$returnhash{'version'};$version++) {
1.78 matthew 2005: foreach (split(/\:/,$returnhash{$version.':keys'})) {
1.6 www 2006: $returnhash{$_}=$returnhash{$version.':'.$_};
1.78 matthew 2007: }
1.6 www 2008: }
1.39 www 2009: }
1.11 www 2010: # ----------------------------- returnhash now has all stores for this resource
1.76 www 2011:
2012: # --------- convert all "_" to "." to be able to use libraries, multiparts, etc
2013:
2014: my @oldkeys=keys %returnhash;
2015:
1.78 matthew 2016: foreach (@oldkeys) {
1.76 www 2017: my $name=$_;
2018: my $value=$returnhash{$_};
2019: delete $returnhash{$_};
2020: $name=~s/\_/\./g;
2021: $returnhash{$name}=$value;
1.78 matthew 2022: }
1.11 www 2023:
2024: # ---------------------------- initialize coursedata and userdata for this user
1.31 www 2025: undef %courseopt;
2026: undef %useropt;
1.29 www 2027:
2028: my $userprefix=$uname.'_'.$udom.'_';
2029:
1.11 www 2030: unless ($uhome eq 'no_host') {
2031: # -------------------------------------------------------------- Get coursedata
1.13 www 2032: unless
1.32 www 2033: ((time-$courserdatas{$cid.'.last_cache'})<240) {
1.29 www 2034: my $reply=&Apache::lonnet::reply('dump:'.$cdom.':'.$cnum.
2035: ':resourcedata',$chome);
1.11 www 2036: if ($reply!~/^error\:/) {
1.29 www 2037: $courserdatas{$cid}=$reply;
2038: $courserdatas{$cid.'.last_cache'}=time;
1.11 www 2039: }
2040: }
1.78 matthew 2041: foreach (split(/\&/,$courserdatas{$cid})) {
1.11 www 2042: my ($name,$value)=split(/\=/,$_);
1.29 www 2043: $courseopt{$userprefix.&Apache::lonnet::unescape($name)}=
1.11 www 2044: &Apache::lonnet::unescape($value);
1.78 matthew 2045: }
1.11 www 2046: # --------------------------------------------------- Get userdata (if present)
1.13 www 2047: unless
1.32 www 2048: ((time-$userrdatas{$uname.'___'.$udom.'.last_cache'})<240) {
1.11 www 2049: my $reply=
2050: &Apache::lonnet::reply('dump:'.$udom.':'.$uname.':resourcedata',$uhome);
2051: if ($reply!~/^error\:/) {
2052: $userrdatas{$uname.'___'.$udom}=$reply;
1.13 www 2053: $userrdatas{$uname.'___'.$udom.'.last_cache'}=time;
1.11 www 2054: }
2055: }
1.78 matthew 2056: foreach (split(/\&/,$userrdatas{$uname.'___'.$udom})) {
1.11 www 2057: my ($name,$value)=split(/\=/,$_);
1.29 www 2058: $useropt{$userprefix.&Apache::lonnet::unescape($name)}=
1.15 www 2059: &Apache::lonnet::unescape($value);
1.78 matthew 2060: }
1.29 www 2061: }
2062: # ----------------- now courseopt, useropt initialized for this user and course
2063: # (used by parmval)
2064:
1.60 www 2065: #
2066: # Load keys for this assessment only
2067: #
2068: my %thisassess=();
2069: my ($symap,$syid,$srcf)=split(/\_\_\_/,$symb);
2070:
1.78 matthew 2071: foreach (split(/\,/,&Apache::lonnet::metadata($srcf,'keys'))) {
1.60 www 2072: $thisassess{$_}=1;
1.78 matthew 2073: }
1.60 www 2074: #
2075: # Load parameters
2076: #
1.29 www 2077: my %c=();
1.6 www 2078:
1.29 www 2079: if (tie(%parmhash,'GDBM_File',
2080: &getcfn($safeeval).'_parms.db',&GDBM_READER,0640)) {
1.6 www 2081: my %f=&getformulas($safeeval);
1.78 matthew 2082: foreach (keys(%f)) {
1.6 www 2083: if ($_=~/^A/) {
2084: unless ($f{$_}=~/^\!/) {
1.11 www 2085: if ($f{$_}=~/^parameter/) {
1.60 www 2086: if ($thisassess{$f{$_}}) {
1.40 www 2087: my $val=&parmval($f{$_},$safeeval);
2088: $c{$_}=$val;
2089: $c{$f{$_}}=$val;
1.60 www 2090: }
1.11 www 2091: } else {
1.15 www 2092: my $key=$f{$_};
1.40 www 2093: my $ckey=$key;
1.15 www 2094: $key=~s/^stores\_/resource\./;
1.70 www 2095: $key=~s/\_/\./g;
1.15 www 2096: $c{$_}=$returnhash{$key};
1.40 www 2097: $c{$ckey}=$returnhash{$key};
1.11 www 2098: }
2099: }
1.6 www 2100: }
1.78 matthew 2101: }
1.29 www 2102: untie(%parmhash);
2103: }
2104: &setconstants($safeeval,%c);
1.6 www 2105: }
2106:
1.10 www 2107: # --------------------------------------------------------- Various form fields
2108:
2109: sub textfield {
2110: my ($title,$name,$value)=@_;
2111: return "\n<p><b>$title:</b><br>".
2112: '<input type=text name="'.$name.'" size=80 value="'.$value.'">';
2113: }
2114:
2115: sub hiddenfield {
2116: my ($name,$value)=@_;
2117: return "\n".'<input type=hidden name="'.$name.'" value="'.$value.'">';
2118: }
2119:
2120: sub selectbox {
2121: my ($title,$name,$value,%options)=@_;
2122: my $selout="\n<p><b>$title:</b><br>".'<select name="'.$name.'">';
1.78 matthew 2123: foreach (sort keys(%options)) {
1.10 www 2124: $selout.='<option value="'.$_.'"';
2125: if ($_ eq $value) { $selout.=' selected'; }
2126: $selout.='>'.$options{$_}.'</option>';
1.78 matthew 2127: }
1.10 www 2128: return $selout.'</select>';
2129: }
2130:
1.28 www 2131: # =============================================== Update information in a sheet
2132: #
2133: # Add new users or assessments, etc.
2134: #
2135:
2136: sub updatesheet {
2137: my $safeeval=shift;
2138: my $stype=&gettype($safeeval);
2139: if ($stype eq 'classcalc') {
2140: return &updateclasssheet($safeeval);
2141: } else {
2142: return &updatestudentassesssheet($safeeval);
2143: }
2144: }
2145:
2146: # =================================================== Load the rows for a sheet
2147: #
2148: # Import the data for rows
2149: #
2150:
1.37 www 2151: sub loadrows {
2152: my ($safeeval,$r)=@_;
1.28 www 2153: my $stype=&gettype($safeeval);
2154: if ($stype eq 'classcalc') {
1.37 www 2155: &loadcourse($safeeval,$r);
1.28 www 2156: } elsif ($stype eq 'studentcalc') {
1.29 www 2157: &loadstudent($safeeval);
1.28 www 2158: } else {
1.29 www 2159: &loadassessment($safeeval);
1.28 www 2160: }
2161: }
2162:
1.47 www 2163: # ======================================================= Forced recalculation?
2164:
2165: sub checkthis {
2166: my ($keyname,$time)=@_;
2167: return ($time<$expiredates{$keyname});
2168: }
2169: sub forcedrecalc {
2170: my ($uname,$udom,$stype,$usymb)=@_;
2171: my $key=$uname.':'.$udom.':'.$stype.':'.$usymb;
2172: my $time=$oldsheets{$key.'.time'};
1.53 www 2173: if ($ENV{'form.forcerecalc'}) { return 1; }
1.47 www 2174: unless ($time) { return 1; }
2175: if ($stype eq 'assesscalc') {
2176: my $map=(split(/\_\_\_/,$usymb))[0];
2177: if (&checkthis('::assesscalc:',$time) ||
2178: &checkthis('::assesscalc:'.$map,$time) ||
2179: &checkthis('::assesscalc:'.$usymb,$time) ||
1.49 www 2180: &checkthis($uname.':'.$udom.':assesscalc:',$time) ||
2181: &checkthis($uname.':'.$udom.':assesscalc:'.$map,$time) ||
2182: &checkthis($uname.':'.$udom.':assesscalc:'.$usymb,$time)) {
1.47 www 2183: return 1;
2184: }
2185: } else {
2186: if (&checkthis('::studentcalc:',$time) ||
1.51 www 2187: &checkthis($uname.':'.$udom.':studentcalc:',$time)) {
1.47 www 2188: return 1;
2189: }
2190: }
2191: return 0;
2192: }
2193:
1.28 www 2194: # ============================================================== Export handler
2195: #
2196: # Non-interactive call from with program
2197: #
2198:
2199: sub exportsheet {
1.44 www 2200: my ($uname,$udom,$stype,$usymb,$fn)=@_;
2201: my @exportarr=();
1.74 www 2202:
2203: if (($usymb=~/^\_(\w+)/) && (!$fn)) {
2204: $fn='default_'.$1;
2205: }
2206:
1.44 www 2207: #
2208: # Check if cached
2209: #
1.46 www 2210:
1.44 www 2211: my $key=$uname.':'.$udom.':'.$stype.':'.$usymb;
2212: my $found='';
2213:
2214: if ($oldsheets{$key}) {
1.78 matthew 2215: foreach (split(/\_\_\_\&\_\_\_/,$oldsheets{$key})) {
1.44 www 2216: my ($name,$value)=split(/\_\_\_\=\_\_\_/,$_);
2217: if ($name eq $fn) {
2218: $found=$value;
2219: }
1.78 matthew 2220: }
1.44 www 2221: }
2222:
1.46 www 2223: unless ($found) {
2224: &cachedssheets($uname,$udom,&Apache::lonnet::homeserver($uname,$udom));
2225: if ($oldsheets{$key}) {
1.78 matthew 2226: foreach (split(/\_\_\_\&\_\_\_/,$oldsheets{$key})) {
1.46 www 2227: my ($name,$value)=split(/\_\_\_\=\_\_\_/,$_);
2228: if ($name eq $fn) {
2229: $found=$value;
2230: }
1.78 matthew 2231: }
1.46 www 2232: }
2233: }
1.47 www 2234: #
2235: # Check if still valid
2236: #
2237: if ($found) {
2238: if (&forcedrecalc($uname,$udom,$stype,$usymb)) {
2239: $found='';
2240: }
2241: }
2242:
1.44 www 2243: if ($found) {
2244: #
2245: # Return what was cached
2246: #
2247: @exportarr=split(/\_\_\_\;\_\_\_/,$found);
2248:
2249: } else {
2250: #
2251: # Not cached
1.46 www 2252: #
2253:
1.29 www 2254: my $thissheet=&makenewsheet($uname,$udom,$stype,$usymb);
1.28 www 2255: &readsheet($thissheet,$fn);
2256: &updatesheet($thissheet);
2257: &loadrows($thissheet);
1.44 www 2258: &calcsheet($thissheet);
2259: @exportarr=&exportdata($thissheet);
2260: #
2261: # Store now
2262: #
2263: my $cid=$ENV{'request.course.id'};
1.47 www 2264: my $current='';
1.46 www 2265: if ($stype eq 'studentcalc') {
2266: $current=&Apache::lonnet::reply('get:'.
1.44 www 2267: $ENV{'course.'.$cid.'.domain'}.':'.
2268: $ENV{'course.'.$cid.'.num'}.
2269: ':nohist_calculatedsheets:'.
2270: &Apache::lonnet::escape($key),
2271: $ENV{'course.'.$cid.'.home'});
1.46 www 2272: } else {
2273: $current=&Apache::lonnet::reply('get:'.
2274: &getudom($thissheet).':'.
2275: &getuname($thissheet).
2276: ':nohist_calculatedsheets_'.
2277: $ENV{'request.course.id'}.':'.
2278: &Apache::lonnet::escape($key),
2279: &getuhome($thissheet));
2280:
2281: }
1.44 www 2282: my %currentlystored=();
2283: unless ($current=~/^error\:/) {
1.78 matthew 2284: foreach (split(/\_\_\_\&\_\_\_/,&Apache::lonnet::unescape($current))) {
1.44 www 2285: my ($name,$value)=split(/\_\_\_\=\_\_\_/,$_);
2286: $currentlystored{$name}=$value;
1.78 matthew 2287: }
1.44 www 2288: }
2289: $currentlystored{$fn}=join('___;___',@exportarr);
2290:
2291: my $newstore='';
1.78 matthew 2292: foreach (keys(%currentlystored)) {
1.44 www 2293: if ($newstore) { $newstore.='___&___'; }
2294: $newstore.=$_.'___=___'.$currentlystored{$_};
1.78 matthew 2295: }
1.47 www 2296: my $now=time;
1.46 www 2297: if ($stype eq 'studentcalc') {
2298: &Apache::lonnet::reply('put:'.
1.44 www 2299: $ENV{'course.'.$cid.'.domain'}.':'.
2300: $ENV{'course.'.$cid.'.num'}.
2301: ':nohist_calculatedsheets:'.
2302: &Apache::lonnet::escape($key).'='.
1.47 www 2303: &Apache::lonnet::escape($newstore).'&'.
2304: &Apache::lonnet::escape($key).'.time='.$now,
1.44 www 2305: $ENV{'course.'.$cid.'.home'});
1.46 www 2306: } else {
2307: &Apache::lonnet::reply('put:'.
2308: &getudom($thissheet).':'.
2309: &getuname($thissheet).
2310: ':nohist_calculatedsheets_'.
2311: $ENV{'request.course.id'}.':'.
2312: &Apache::lonnet::escape($key).'='.
1.47 www 2313: &Apache::lonnet::escape($newstore).'&'.
2314: &Apache::lonnet::escape($key).'.time='.$now,
1.46 www 2315: &getuhome($thissheet));
2316: }
1.44 www 2317: }
2318: return @exportarr;
2319: }
1.48 www 2320: # ============================================================ Expiration Dates
2321: #
2322: # Load previously cached student spreadsheets for this course
2323: #
2324:
2325: sub expirationdates {
2326: undef %expiredates;
2327: my $cid=$ENV{'request.course.id'};
2328: my $reply=&Apache::lonnet::reply('dump:'.
2329: $ENV{'course.'.$cid.'.domain'}.':'.
2330: $ENV{'course.'.$cid.'.num'}.
2331: ':nohist_expirationdates',
2332: $ENV{'course.'.$cid.'.home'});
2333: unless ($reply=~/^error\:/) {
1.78 matthew 2334: foreach (split(/\&/,$reply)) {
1.48 www 2335: my ($name,$value)=split(/\=/,$_);
2336: $expiredates{&Apache::lonnet::unescape($name)}
2337: =&Apache::lonnet::unescape($value);
1.78 matthew 2338: }
1.48 www 2339: }
2340: }
1.44 www 2341:
2342: # ===================================================== Calculated sheets cache
2343: #
1.46 www 2344: # Load previously cached student spreadsheets for this course
1.44 www 2345: #
2346:
1.46 www 2347: sub cachedcsheets {
1.44 www 2348: my $cid=$ENV{'request.course.id'};
2349: my $reply=&Apache::lonnet::reply('dump:'.
2350: $ENV{'course.'.$cid.'.domain'}.':'.
2351: $ENV{'course.'.$cid.'.num'}.
2352: ':nohist_calculatedsheets',
2353: $ENV{'course.'.$cid.'.home'});
2354: unless ($reply=~/^error\:/) {
1.78 matthew 2355: foreach ( split(/\&/,$reply)) {
1.44 www 2356: my ($name,$value)=split(/\=/,$_);
2357: $oldsheets{&Apache::lonnet::unescape($name)}
2358: =&Apache::lonnet::unescape($value);
1.78 matthew 2359: }
1.44 www 2360: }
1.28 www 2361: }
2362:
1.46 www 2363: # ===================================================== Calculated sheets cache
2364: #
2365: # Load previously cached assessment spreadsheets for this student
2366: #
2367:
2368: sub cachedssheets {
2369: my ($sname,$sdom,$shome)=@_;
2370: unless (($loadedcaches{$sname.'_'.$sdom}) || ($shome eq 'no_host')) {
2371: my $cid=$ENV{'request.course.id'};
2372: my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.
2373: ':nohist_calculatedsheets_'.
2374: $ENV{'request.course.id'},
2375: $shome);
2376: unless ($reply=~/^error\:/) {
1.78 matthew 2377: foreach ( split(/\&/,$reply)) {
1.46 www 2378: my ($name,$value)=split(/\=/,$_);
2379: $oldsheets{&Apache::lonnet::unescape($name)}
2380: =&Apache::lonnet::unescape($value);
1.78 matthew 2381: }
1.46 www 2382: }
2383: $loadedcaches{$sname.'_'.$sdom}=1;
2384: }
2385: }
2386:
2387: # ===================================================== Calculated sheets cache
2388: #
2389: # Load previously cached assessment spreadsheets for this student
2390: #
2391:
1.12 www 2392: # ================================================================ Main handler
1.28 www 2393: #
2394: # Interactive call to screen
2395: #
2396: #
2397:
1.3 www 2398:
2399: sub handler {
1.7 www 2400: my $r=shift;
2401:
1.28 www 2402: if ($r->header_only) {
1.7 www 2403: $r->content_type('text/html');
2404: $r->send_http_header;
2405: return OK;
1.28 www 2406: }
2407:
2408: # ---------------------------------------------------- Global directory configs
2409:
1.29 www 2410: $includedir=$r->dir_config('lonIncludes');
1.28 www 2411: $tmpdir=$r->dir_config('lonDaemons').'/tmp/';
1.3 www 2412:
1.7 www 2413: # ----------------------------------------------------- Needs to be in a course
1.3 www 2414:
1.29 www 2415: if ($ENV{'request.course.fn'}) {
1.10 www 2416:
2417: # --------------------------- Get query string for limited number of parameters
1.17 www 2418:
1.89 matthew 2419: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
2420: ['uname','udom','usymb','ufn']);
1.72 www 2421:
2422: if (($ENV{'form.usymb'}=~/^\_(\w+)/) && (!$ENV{'form.ufn'})) {
2423: $ENV{'form.ufn'}='default_'.$1;
2424: }
1.10 www 2425:
1.55 www 2426: # -------------------------------------- Interactive loading of specific sheet?
2427: if (($ENV{'form.load'}) && ($ENV{'form.loadthissheet'} ne 'Default')) {
2428: $ENV{'form.ufn'}=$ENV{'form.loadthissheet'};
2429: }
1.10 www 2430: # ------------------------------------------- Nothing there? Must be login user
1.29 www 2431:
2432: my $aname;
2433: my $adom;
2434:
1.10 www 2435: unless ($ENV{'form.uname'}) {
1.29 www 2436: $aname=$ENV{'user.name'};
2437: $adom=$ENV{'user.domain'};
1.11 www 2438: } else {
1.29 www 2439: $aname=$ENV{'form.uname'};
2440: $adom=$ENV{'form.udom'};
1.10 www 2441: }
1.14 www 2442:
1.10 www 2443: # ------------------------------------------------------------------- Open page
2444:
1.7 www 2445: $r->content_type('text/html');
1.11 www 2446: $r->header_out('Cache-control','no-cache');
2447: $r->header_out('Pragma','no-cache');
1.7 www 2448: $r->send_http_header;
1.3 www 2449:
1.14 www 2450: # --------------------------------------------------------------- Screen output
2451:
1.10 www 2452: $r->print('<html><head><title>LON-CAPA Spreadsheet</title>');
2453: $r->print(<<ENDSCRIPT);
2454: <script language="JavaScript">
2455:
2456: function celledit(cn,cf) {
2457: var cnf=prompt(cn,cf);
1.86 matthew 2458: if (cnf!=null) {
2459: document.sheet.unewfield.value=cn;
1.10 www 2460: document.sheet.unewformula.value=cnf;
2461: document.sheet.submit();
2462: }
2463: }
2464:
1.55 www 2465: function changesheet(cn) {
2466: document.sheet.unewfield.value=cn;
2467: document.sheet.unewformula.value='changesheet';
2468: document.sheet.submit();
2469: }
2470:
1.92 www 2471: function insertrow(cn) {
2472: document.sheet.unewfield.value='insertrow';
2473: document.sheet.unewformula.value=cn;
2474: document.sheet.submit();
2475: }
2476:
1.10 www 2477: </script>
2478: ENDSCRIPT
2479: $r->print('</head><body bgcolor="#FFFFFF">'.
1.21 www 2480: '<img align=right src=/adm/lonIcons/lonlogos.gif>'.
2481: '<h1>LON-CAPA Spreadsheet</h1>'.
1.10 www 2482: '<form action="'.$r->uri.'" name=sheet method=post>'.
2483: &hiddenfield('uname',$ENV{'form.uname'}).
2484: &hiddenfield('udom',$ENV{'form.udom'}).
2485: &hiddenfield('usymb',$ENV{'form.usymb'}).
2486: &hiddenfield('unewfield','').
2487: &hiddenfield('unewformula',''));
1.29 www 2488:
2489: # ---------------------- Make sure that this gets out, even if user hits "stop"
2490:
1.24 www 2491: $r->rflush();
1.29 www 2492:
1.54 www 2493: # ---------------------------------------------------------------- Full recalc?
2494:
2495:
2496: if ($ENV{'form.forcerecalc'}) {
2497: $r->print('<h4>Completely Recalculating Sheet ...</h4>');
2498: undef %spreadsheets;
2499: undef %courserdatas;
2500: undef %userrdatas;
2501: undef %defaultsheets;
2502: undef %updatedata;
2503: }
2504:
1.14 www 2505: # ---------------------------------------- Read new sheet or modified worksheet
2506:
1.19 www 2507: $r->uri=~/\/(\w+)$/;
1.14 www 2508:
1.29 www 2509: my $asheet=&makenewsheet($aname,$adom,$1,$ENV{'form.usymb'});
2510:
1.30 www 2511: # ------------------------ If a new formula had been entered, go from work copy
2512:
2513: if ($ENV{'form.unewfield'}) {
2514: $r->print('<h2>Modified Workcopy</h2>');
2515: $ENV{'form.unewformula'}=~s/\'/\"/g;
2516: $r->print('<p>New formula: '.$ENV{'form.unewfield'}.'='.
2517: $ENV{'form.unewformula'}.'<p>');
2518: &setfilename($asheet,$ENV{'form.ufn'});
2519: &tmpread($asheet,
2520: $ENV{'form.unewfield'},$ENV{'form.unewformula'});
2521:
2522: } elsif ($ENV{'form.saveas'}) {
2523: &setfilename($asheet,$ENV{'form.ufn'});
2524: &tmpread($asheet);
2525: } else {
2526: &readsheet($asheet,$ENV{'form.ufn'});
2527: }
2528:
2529: # -------------------------------------------------- Print out user information
2530:
2531: unless (&gettype($asheet) eq 'classcalc') {
2532: $r->print('<p><b>User:</b> '.&getuname($asheet).
2533: '<br><b>Domain:</b> '.&getudom($asheet));
2534: if (&getcsec($asheet) eq '-1') {
2535: $r->print('<h3><font color=red>'.
2536: 'Not a student in this course</font></h3>');
2537: } else {
2538: $r->print('<br><b>Section/Group:</b> '.&getcsec($asheet));
2539: }
1.77 www 2540: if ($ENV{'form.usymb'}) {
2541: $r->print('<br><b>Assessment:</b> <tt>'.$ENV{'form.usymb'}.'</tt>');
2542: }
1.30 www 2543: }
2544:
2545: # ---------------------------------------------------------------- Course title
2546:
2547: $r->print('<h1>'.
1.61 www 2548: $ENV{'course.'.$ENV{'request.course.id'}.'.description'}.
2549: '</h1><h3>'.localtime().'</h3>');
1.30 www 2550:
1.53 www 2551: # ---------------------------------------------------- See if user can see this
2552:
2553: if ((&gettype($asheet) eq 'classcalc') ||
2554: (&getuname($asheet) ne $ENV{'user.name'}) ||
2555: (&getudom($asheet) ne $ENV{'user.domain'})) {
2556: unless (&Apache::lonnet::allowed('vgr',&getcid($asheet))) {
2557: $r->print(
2558: '<h1>Access Permission Denied</h1></form></body></html>');
2559: return OK;
2560: }
2561: }
1.30 www 2562:
1.53 www 2563: # ---------------------------------------------------------- Additional options
2564:
2565: $r->print(
2566: '<input type=submit name=forcerecalc value="Completely Recalculate Sheet"><p>'
2567: );
2568: if (&gettype($asheet) eq 'assesscalc') {
2569: $r->print ('<p><font size=+2><a href="/adm/studentcalc?uname='.
2570: &getuname($asheet).
2571: '&udom='.&getudom($asheet).
2572: '">Level up: Student Sheet</a></font><p>');
2573: }
2574:
2575: if ((&gettype($asheet) eq 'studentcalc') &&
2576: (&Apache::lonnet::allowed('vgr',&getcid($asheet)))) {
2577: $r->print (
2578: '<p><font size=+2><a href="/adm/classcalc">'.
2579: 'Level up: Course Sheet</a></font><p>');
2580: }
2581:
1.30 www 2582:
2583: # ----------------------------------------------------------------- Save dialog
2584:
2585:
2586: if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
2587: my $fname=$ENV{'form.ufn'};
2588: $fname=~s/\_[^\_]+$//;
2589: if ($fname eq 'default') { $fname='course_default'; }
2590: $r->print('<input type=submit name=saveas value="Save as ...">'.
2591: '<input type=text size=20 name=newfn value="'.$fname.
2592: '"> (make default: <input type=checkbox name="makedefufn">)<p>');
2593: }
2594:
2595: $r->print(&hiddenfield('ufn',&getfilename($asheet)));
1.55 www 2596:
2597: # ----------------------------------------------------------------- Load dialog
2598: if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
2599: $r->print('<p><input type=submit name=load value="Load ...">'.
2600: '<select name="loadthissheet">'.
2601: '<option name="default">Default</option>');
1.78 matthew 2602: foreach (&othersheets($asheet,&gettype($asheet))) {
1.55 www 2603: $r->print('<option name="'.$_.'"');
2604: if ($ENV{'form.ufn'} eq $_) {
2605: $r->print(' selected');
2606: }
2607: $r->print('>'.$_.'</option>');
1.78 matthew 2608: }
1.55 www 2609: $r->print('</select><p>');
2610: if (&gettype($asheet) eq 'studentcalc') {
2611: &setothersheets($asheet,&othersheets($asheet,'assesscalc'));
2612: }
2613: }
1.30 www 2614:
1.46 www 2615: # --------------------------------------------------------------- Cached sheets
1.48 www 2616:
2617: &expirationdates();
1.46 www 2618:
2619: undef %oldsheets;
2620: undef %loadedcaches;
1.44 www 2621:
1.46 www 2622: if (&gettype($asheet) eq 'classcalc') {
2623: $r->print("Loading previously calculated student sheets ...<br>\n");
2624: $r->rflush();
2625: &cachedcsheets();
2626: } elsif (&gettype($asheet) eq 'studentcalc') {
2627: $r->print("Loading previously calculated assessment sheets ...<br>\n");
2628: $r->rflush();
2629: &cachedssheets(&getuname($asheet),&getudom($asheet),
2630: &getuhome($asheet));
2631: }
1.30 www 2632:
2633: # ----------------------------------------------------- Update sheet, load rows
1.14 www 2634:
1.44 www 2635: $r->print("Loaded sheet(s), updating rows ...<br>\n");
1.36 www 2636: $r->rflush();
2637:
1.29 www 2638: &updatesheet($asheet);
1.36 www 2639:
2640: $r->print("Updated rows, loading row data ...<br>\n");
2641: $r->rflush();
2642:
1.37 www 2643: &loadrows($asheet,$r);
1.14 www 2644:
1.36 www 2645: $r->print("Loaded row data, calculating sheet ...<br>\n");
2646: $r->rflush();
1.14 www 2647:
1.29 www 2648: my $calcoutput=&calcsheet($asheet);
2649: $r->print('<h3><font color=red>'.$calcoutput.'</h3></font>');
1.56 www 2650:
2651: # ---------------------------------------------------- See if something to save
2652:
2653: if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
2654: my $fname='';
2655: if ($ENV{'form.saveas'} && ($fname=$ENV{'form.newfn'})) {
2656: $fname=~s/\W/\_/g;
2657: if ($fname eq 'default') { $fname='course_default'; }
2658: $fname.='_'.&gettype($asheet);
2659: &setfilename($asheet,$fname);
2660: $ENV{'form.ufn'}=$fname;
2661: $r->print('<p>Saving spreadsheet: '.
2662: &writesheet($asheet,$ENV{'form.makedefufn'}).'<p>');
2663: }
2664: }
2665:
2666: # ------------------------------------------------ Write the modified worksheet
2667:
2668: $r->print('<b>Current sheet:</b> '.&getfilename($asheet).'<p>');
2669:
2670: &tmpwrite($asheet);
1.61 www 2671:
1.62 www 2672: if (&gettype($asheet) eq 'studentcalc') {
2673: $r->print('<br>Show rows with empty A column: ');
2674: } else {
2675: $r->print('<br>Show empty rows: ');
2676: }
1.77 www 2677:
2678: $r->print(&hiddenfield('userselhidden','true').
2679: '<input type=checkbox name=showall onClick="submit()"');
2680:
2681: if ($ENV{'form.showall'}) {
2682: $r->print(' checked');
2683: } else {
2684: unless ($ENV{'form.userselhidden'}) {
2685: unless
2686: ($ENV{'course.'.$ENV{'request.course.id'}.'.hideemptyrows'} eq 'yes') {
2687: $r->print(' checked');
2688: $ENV{'form.showall'}=1;
2689: }
2690: }
2691: }
1.61 www 2692: $r->print('>');
1.87 matthew 2693:
1.69 www 2694: if (&gettype($asheet) eq 'classcalc') {
2695: $r->print(
2696: ' Output CSV format: <input type=checkbox name=showcsv onClick="submit()"');
2697: if ($ENV{'form.showcsv'}) { $r->print(' checked'); }
2698: $r->print('>');
2699: }
1.92 www 2700:
2701: # ------------------------------------------------------------------ Insertrows
2702:
2703: $r->print(<<ENDINSERTBUTTONS);
2704: <br>
2705: <input type='button' onClick='insertrow("top");'
2706: value='Insert Row Top'>
2707: <input type='button' onClick='insertrow("bottom");'
2708: value='Insert Row Bottom'><br>
2709: ENDINSERTBUTTONS
2710:
1.56 www 2711: # ------------------------------------------------------------- Print out sheet
1.8 www 2712:
1.29 www 2713: &outsheet($r,$asheet);
1.10 www 2714: $r->print('</form></body></html>');
1.29 www 2715:
1.14 www 2716: # ------------------------------------------------------------------------ Done
1.7 www 2717: } else {
2718: # ----------------------------- Not in a course, or not allowed to modify parms
2719: $ENV{'user.error.msg'}=
2720: $r->uri.":opa:0:0:Cannot modify spreadsheet";
2721: return HTTP_NOT_ACCEPTABLE;
2722: }
1.3 www 2723: return OK;
1.28 www 2724:
1.1 www 2725: }
2726:
2727: 1;
2728: __END__
1.77 www 2729:
2730:
2731:
2732:
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