File:
[LON-CAPA] /
loncom /
interface /
Attic /
lonspreadsheet.pm
Revision
1.132:
download - view:
text,
annotated -
select for diffs
Mon Nov 4 22:35:45 2002 UTC (21 years, 8 months ago) by
matthew
Branches:
MAIN
CVS tags:
HEAD
Major changes:
Outputting of the spreadsheet is beginning to be broken up into smaller
pieces. HTML output works as best as I can test it. The function
&outsheet was added to handle the calling of the proper output function for
the requested target. Currently &outsheet_html is the only implemented option.
*** This means CSV output is broken in this commit *** If this affects you,
you are me.
The function &rown has been removed and given a respectful burial.
&getrow was reworked to call &templaterow, &outrowassess, and &outrow.
Each of the functions &templaterow, &outrowassess, and &outrow have been
modified to return a row label (colon seperated string) and an array of
hash pointers which describe the cells (name,formula, and value).
Sorting of the rows of the spreadsheet has been moved to &sort_indicies.
&format_rowlabel was modified to deal with 'template' and 'export' rows
without incident.
Some debugging code has been added (and commented out).
Bug Fix: &mask had an error introduced in it during a minor change -
doing
($v1,$v2)=($f=~/(regexpA)(regexpB)/);
($v3,$v4)=($g=~/(regexpA)(regexpB)/);
is not the same as doing:
$f=~/(regexpA)(regexpB)/;
($v1,$v2)=($1,$2);
$g=~/(regexpA)(regexpB)/;
($v3,$v4)=($1,$2);
Because in the second case if $g is undefined its pattern match does not
occur and the variables $1 and $2 retain their values from the pattern match
on $f. Perl is rather devious at times....
1: #
2: # $Id: lonspreadsheet.pm,v 1.132 2002/11/04 22:35:45 matthew Exp $
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: #
26: # The LearningOnline Network with CAPA
27: # Spreadsheet/Grades Display Handler
28: #
29: # POD required stuff:
30:
31: =head1 NAME
32:
33: lonspreadsheet
34:
35: =head1 SYNOPSIS
36:
37: Spreadsheet interface to internal LON-CAPA data
38:
39: =head1 DESCRIPTION
40:
41: Lonspreadsheet provides course coordinators the ability to manage their
42: students grades online. The students are able to view their own grades, but
43: not the grades of their peers. The spreadsheet is highly customizable,
44: offering the ability to use Perl code to manipulate data, as well as many
45: built-in functions.
46:
47: =head2 Functions available to user of lonspreadsheet
48:
49: =over 4
50:
51: =cut
52:
53: package Apache::lonspreadsheet;
54:
55: use strict;
56: use Safe;
57: use Safe::Hole;
58: use Opcode;
59: use Apache::lonnet;
60: use Apache::Constants qw(:common :http);
61: use GDBM_File;
62: use HTML::TokeParser;
63: use Apache::lonhtmlcommon;
64: use Apache::loncoursedata;
65: #
66: # Caches for coursewide information
67: #
68: my %Section;
69:
70: #
71: # Caches for previously calculated spreadsheets
72: #
73:
74: my %oldsheets;
75: my %loadedcaches;
76: my %expiredates;
77:
78: #
79: # Cache for stores of an individual user
80: #
81:
82: my $cachedassess;
83: my %cachedstores;
84:
85: #
86: # These cache hashes need to be independent of user, resource and course
87: # (user and course can/should be in the keys)
88: #
89:
90: my %spreadsheets;
91: my %courserdatas;
92: my %userrdatas;
93: my %defaultsheets;
94: my %updatedata;
95:
96: #
97: # These global hashes are dependent on user, course and resource,
98: # and need to be initialized every time when a sheet is calculated
99: #
100: my %courseopt;
101: my %useropt;
102: my %parmhash;
103:
104: #
105: # Some hashes for stats on timing and performance
106: #
107:
108: my %starttimes;
109: my %usedtimes;
110: my %numbertimes;
111:
112: # Stuff that only the screen handler can know
113:
114: my $includedir;
115: my $tmpdir;
116:
117: # =============================================================================
118: # ===================================== Implements an instance of a spreadsheet
119:
120: ##
121: ## mask - used to reside in the safe space.
122: ##
123: sub mask {
124: my ($lower,$upper)=@_;
125: $upper = $lower if (! defined($upper));
126: #
127: my ($la,$ld) = ($lower=~/([A-Za-z]|\*)(\d+|\*)/);
128: my ($ua,$ud) = ($upper=~/([A-Za-z]|\*)(\d+|\*)/);
129: #
130: my $alpha='';
131: my $num='';
132: #
133: if (($la eq '*') || ($ua eq '*')) {
134: $alpha='[A-Za-z]';
135: } else {
136: if (($la=~/[A-Z]/) && ($ua=~/[A-Z]/) ||
137: ($la=~/[a-z]/) && ($ua=~/[a-z]/)) {
138: $alpha='['.$la.'-'.$ua.']';
139: } else {
140: $alpha='['.$la.'-Za-'.$ua.']';
141: }
142: }
143: if (($ld eq '*') || ($ud eq '*')) {
144: $num='\d+';
145: } else {
146: if (length($ld)!=length($ud)) {
147: $num.='(';
148: foreach ($ld=~m/\d/g) {
149: $num.='['.$_.'-9]';
150: }
151: if (length($ud)-length($ld)>1) {
152: $num.='|\d{'.(length($ld)+1).','.(length($ud)-1).'}';
153: }
154: $num.='|';
155: foreach ($ud=~m/\d/g) {
156: $num.='[0-'.$_.']';
157: }
158: $num.=')';
159: } else {
160: my @lda=($ld=~m/\d/g);
161: my @uda=($ud=~m/\d/g);
162: my $i;
163: my $j=0;
164: my $notdone=1;
165: for ($i=0;($i<=$#lda)&&($notdone);$i++) {
166: if ($lda[$i]==$uda[$i]) {
167: $num.=$lda[$i];
168: $j=$i;
169: } else {
170: $notdone=0;
171: }
172: }
173: if ($j<$#lda-1) {
174: $num.='('.$lda[$j+1];
175: for ($i=$j+2;$i<=$#lda;$i++) {
176: $num.='['.$lda[$i].'-9]';
177: }
178: if ($uda[$j+1]-$lda[$j+1]>1) {
179: $num.='|['.($lda[$j+1]+1).'-'.($uda[$j+1]-1).']\d{'.
180: ($#lda-$j-1).'}';
181: }
182: $num.='|'.$uda[$j+1];
183: for ($i=$j+2;$i<=$#uda;$i++) {
184: $num.='[0-'.$uda[$i].']';
185: }
186: $num.=')';
187: } else {
188: if ($lda[-1]!=$uda[-1]) {
189: $num.='['.$lda[-1].'-'.$uda[-1].']';
190: }
191: }
192: }
193: }
194: return '^'.$alpha.$num."\$";
195: }
196:
197: sub initsheet {
198: my $safeeval = new Safe(shift);
199: my $safehole = new Safe::Hole;
200: $safeeval->permit("entereval");
201: $safeeval->permit(":base_math");
202: $safeeval->permit("sort");
203: $safeeval->deny(":base_io");
204: $safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&EXT');
205: $safehole->wrap(\&Apache::lonspreadsheet::mask,$safeeval,'&mask');
206: $safeeval->share('$@');
207: my $code=<<'ENDDEFS';
208: # ---------------------------------------------------- Inside of the safe space
209:
210: #
211: # f: formulas
212: # t: intermediate format (variable references expanded)
213: # v: output values
214: # c: preloaded constants (A-column)
215: # rl: row label
216: # os: other spreadsheets (for student spreadsheet only)
217:
218: undef %sheet_values; # Holds the (computed, final) values for the sheet
219: # This is only written to by &calc, the spreadsheet computation routine.
220: # It is read by many functions
221: undef %t; # Holds the values of the spreadsheet temporarily. Set in &sett,
222: # which does the translation of strings like C5 into the value in C5.
223: # Used in &calc - %t holds the values that are actually eval'd.
224: undef %f; # Holds the formulas for each cell. This is the users
225: # (spreadsheet authors) data for each cell.
226: # set by &setformulas and returned by &getformulas
227: # &setformulas is called by &readsheet, &tmpread, &updateclasssheet,
228: # &updatestudentassesssheet, &loadstudent, &loadcourse
229: # &getformulas is called by &writesheet, &tmpwrite, &updateclasssheet,
230: # &updatestudentassesssheet, &loadstudent, &loadcourse, &loadassessment,
231: undef %c; # Holds the constants for a sheet. In the assessment
232: # sheets, this is the A column. Used in &MINPARM, &MAXPARM, &expandnamed,
233: # &sett, and &setconstants. There is no &getconstants.
234: # &setconstants is called by &loadstudent, &loadcourse, &load assessment,
235: undef @os; # Holds the names of other spreadsheets - this is used to specify
236: # the spreadsheets that are available for the assessment sheet.
237: # Set by &setothersheets. &setothersheets is called by &handler. A
238: # related subroutine is &othersheets.
239: #$errorlog = '';
240:
241: $maxrow = 0;
242: $sheettype = '';
243:
244: # filename/reference of the sheet
245: $filename = '';
246:
247: # user data
248: $uname = '';
249: $uhome = '';
250: $udom = '';
251:
252: # course data
253:
254: $csec = '';
255: $chome= '';
256: $cnum = '';
257: $cdom = '';
258: $cid = '';
259: $coursefilename = '';
260:
261: # symb
262:
263: $usymb = '';
264:
265: # error messages
266: $errormsg = '';
267:
268:
269: #-------------------------------------------------------
270:
271: =item UWCALC(hashname,modules,units,date)
272:
273: returns the proportion of the module
274: weights not previously completed by the student.
275:
276: =over 4
277:
278: =item hashname
279:
280: name of the hash the module dates have been inserted into
281:
282: =item modules
283:
284: reference to a cell which contains a comma deliminated list of modules
285: covered by the assignment.
286:
287: =item units
288:
289: reference to a cell which contains a comma deliminated list of module
290: weights with respect to the assignment
291:
292: =item date
293:
294: reference to a cell which contains the date the assignment was completed.
295:
296: =back
297:
298: =cut
299:
300: #-------------------------------------------------------
301: sub UWCALC {
302: my ($hashname,$modules,$units,$date) = @_;
303: my @Modules = split(/,/,$modules);
304: my @Units = split(/,/,$units);
305: my $total_weight;
306: foreach (@Units) {
307: $total_weight += $_;
308: }
309: my $usum=0;
310: for (my $i=0; $i<=$#Modules; $i++) {
311: if (&HASH($hashname,$Modules[$i]) eq $date) {
312: $usum += $Units[$i];
313: }
314: }
315: return $usum/$total_weight;
316: }
317:
318: #-------------------------------------------------------
319:
320: =item CDLSUM(list)
321:
322: returns the sum of the elements in a cell which contains
323: a Comma Deliminate List of numerical values.
324: 'list' is a reference to a cell which contains a comma deliminated list.
325:
326: =cut
327:
328: #-------------------------------------------------------
329: sub CDLSUM {
330: my ($list)=@_;
331: my $sum;
332: foreach (split/,/,$list) {
333: $sum += $_;
334: }
335: return $sum;
336: }
337:
338: #-------------------------------------------------------
339:
340: =item CDLITEM(list,index)
341:
342: returns the item at 'index' in a Comma Deliminated List.
343:
344: =over 4
345:
346: =item list
347:
348: reference to a cell which contains a comma deliminated list.
349:
350: =item index
351:
352: the Perl index of the item requested (first element in list has
353: an index of 0)
354:
355: =back
356:
357: =cut
358:
359: #-------------------------------------------------------
360: sub CDLITEM {
361: my ($list,$index)=@_;
362: my @Temp = split/,/,$list;
363: return $Temp[$index];
364: }
365:
366: #-------------------------------------------------------
367:
368: =item CDLHASH(name,key,value)
369:
370: loads a comma deliminated list of keys into
371: the hash 'name', all with a value of 'value'.
372:
373: =over 4
374:
375: =item name
376:
377: name of the hash.
378:
379: =item key
380:
381: (a pointer to) a comma deliminated list of keys.
382:
383: =item value
384:
385: a single value to be entered for each key.
386:
387: =back
388:
389: =cut
390:
391: #-------------------------------------------------------
392: sub CDLHASH {
393: my ($name,$key,$value)=@_;
394: my @Keys;
395: my @Values;
396: # Check to see if we have multiple $key values
397: if ($key =~ /[A-z](\-[A-z])?\d+(\-\d+)?/) {
398: my $keymask = &mask($key);
399: # Assume the keys are addresses
400: my @Temp = grep /$keymask/,keys(%sheet_values);
401: @Keys = $sheet_values{@Temp};
402: } else {
403: $Keys[0]= $key;
404: }
405: my @Temp;
406: foreach $key (@Keys) {
407: @Temp = (@Temp, split/,/,$key);
408: }
409: @Keys = @Temp;
410: if ($value =~ /[A-z](\-[A-z])?\d+(\-\d+)?/) {
411: my $valmask = &mask($value);
412: my @Temp = grep /$valmask/,keys(%sheet_values);
413: @Values =$sheet_values{@Temp};
414: } else {
415: $Values[0]= $value;
416: }
417: $value = $Values[0];
418: # Add values to hash
419: for (my $i = 0; $i<=$#Keys; $i++) {
420: my $key = $Keys[$i];
421: if (! exists ($hashes{$name}->{$key})) {
422: $hashes{$name}->{$key}->[0]=$value;
423: } else {
424: my @Temp = sort(@{$hashes{$name}->{$key}},$value);
425: $hashes{$name}->{$key} = \@Temp;
426: }
427: }
428: return "hash '$name' updated";
429: }
430:
431: #-------------------------------------------------------
432:
433: =item GETHASH(name,key,index)
434:
435: returns the element in hash 'name'
436: reference by the key 'key', at index 'index' in the values list.
437:
438: =cut
439:
440: #-------------------------------------------------------
441: sub GETHASH {
442: my ($name,$key,$index)=@_;
443: if (! defined($index)) {
444: $index = 0;
445: }
446: if ($key =~ /^[A-z]\d+$/) {
447: $key = $sheet_values{$key};
448: }
449: return $hashes{$name}->{$key}->[$index];
450: }
451:
452: #-------------------------------------------------------
453:
454: =item CLEARHASH(name)
455:
456: clears all the values from the hash 'name'
457:
458: =item CLEARHASH(name,key)
459:
460: clears all the values from the hash 'name' associated with the given key.
461:
462: =cut
463:
464: #-------------------------------------------------------
465: sub CLEARHASH {
466: my ($name,$key)=@_;
467: if (defined($key)) {
468: if (exists($hashes{$name}->{$key})) {
469: $hashes{$name}->{$key}=undef;
470: return "hash '$name' key '$key' cleared";
471: }
472: } else {
473: if (exists($hashes{$name})) {
474: $hashes{$name}=undef;
475: return "hash '$name' cleared";
476: }
477: }
478: return "Error in clearing hash";
479: }
480:
481: #-------------------------------------------------------
482:
483: =item HASH(name,key,value)
484:
485: loads values into an internal hash. If a key
486: already has a value associated with it, the values are sorted numerically.
487:
488: =item HASH(name,key)
489:
490: returns the 0th value in the hash 'name' associated with 'key'.
491:
492: =cut
493:
494: #-------------------------------------------------------
495: sub HASH {
496: my ($name,$key,$value)=@_;
497: my @Keys;
498: undef @Keys;
499: my @Values;
500: # Check to see if we have multiple $key values
501: if ($key =~ /[A-z](\-[A-z])?\d+(\-\d+)?/) {
502: my $keymask = &mask($key);
503: # Assume the keys are addresses
504: my @Temp = grep /$keymask/,keys(%sheet_values);
505: @Keys = $sheet_values{@Temp};
506: } else {
507: $Keys[0]= $key;
508: }
509: # If $value is empty, return the first value associated
510: # with the first key.
511: if (! $value) {
512: return $hashes{$name}->{$Keys[0]}->[0];
513: }
514: # Check to see if we have multiple $value(s)
515: if ($value =~ /[A-z](\-[A-z])?\d+(\-\d+)?/) {
516: my $valmask = &mask($value);
517: my @Temp = grep /$valmask/,keys(%sheet_values);
518: @Values =$sheet_values{@Temp};
519: } else {
520: $Values[0]= $value;
521: }
522: # Add values to hash
523: for (my $i = 0; $i<=$#Keys; $i++) {
524: my $key = $Keys[$i];
525: my $value = ($i<=$#Values ? $Values[$i] : $Values[0]);
526: if (! exists ($hashes{$name}->{$key})) {
527: $hashes{$name}->{$key}->[0]=$value;
528: } else {
529: my @Temp = sort(@{$hashes{$name}->{$key}},$value);
530: $hashes{$name}->{$key} = \@Temp;
531: }
532: }
533: return $Values[-1];
534: }
535:
536: #-------------------------------------------------------
537:
538: =item NUM(range)
539:
540: returns the number of items in the range.
541:
542: =cut
543:
544: #-------------------------------------------------------
545: sub NUM {
546: my $mask=mask(@_);
547: my $num= $#{@{grep(/$mask/,keys(%sheet_values))}}+1;
548: return $num;
549: }
550:
551: sub BIN {
552: my ($low,$high,$lower,$upper)=@_;
553: my $mask=mask($lower,$upper);
554: my $num=0;
555: foreach (grep /$mask/,keys(%sheet_values)) {
556: if (($sheet_values{$_}>=$low) && ($sheet_values{$_}<=$high)) {
557: $num++;
558: }
559: }
560: return $num;
561: }
562:
563:
564: #-------------------------------------------------------
565:
566: =item SUM(range)
567:
568: returns the sum of items in the range.
569:
570: =cut
571:
572: #-------------------------------------------------------
573: sub SUM {
574: my $mask=mask(@_);
575: my $sum=0;
576: foreach (grep /$mask/,keys(%sheet_values)) {
577: $sum+=$sheet_values{$_};
578: }
579: return $sum;
580: }
581:
582: #-------------------------------------------------------
583:
584: =item MEAN(range)
585:
586: compute the average of the items in the range.
587:
588: =cut
589:
590: #-------------------------------------------------------
591: sub MEAN {
592: my $mask=mask(@_);
593: my $sum=0;
594: my $num=0;
595: foreach (grep /$mask/,keys(%sheet_values)) {
596: $sum+=$sheet_values{$_};
597: $num++;
598: }
599: if ($num) {
600: return $sum/$num;
601: } else {
602: return undef;
603: }
604: }
605:
606: #-------------------------------------------------------
607:
608: =item STDDEV(range)
609:
610: compute the standard deviation of the items in the range.
611:
612: =cut
613:
614: #-------------------------------------------------------
615: sub STDDEV {
616: my $mask=mask(@_);
617: my $sum=0; my $num=0;
618: foreach (grep /$mask/,keys(%sheet_values)) {
619: $sum+=$sheet_values{$_};
620: $num++;
621: }
622: unless ($num>1) { return undef; }
623: my $mean=$sum/$num;
624: $sum=0;
625: foreach (grep /$mask/,keys(%sheet_values)) {
626: $sum+=($sheet_values{$_}-$mean)**2;
627: }
628: return sqrt($sum/($num-1));
629: }
630:
631: #-------------------------------------------------------
632:
633: =item PROD(range)
634:
635: compute the product of the items in the range.
636:
637: =cut
638:
639: #-------------------------------------------------------
640: sub PROD {
641: my $mask=mask(@_);
642: my $prod=1;
643: foreach (grep /$mask/,keys(%sheet_values)) {
644: $prod*=$sheet_values{$_};
645: }
646: return $prod;
647: }
648:
649: #-------------------------------------------------------
650:
651: =item MAX(range)
652:
653: compute the maximum of the items in the range.
654:
655: =cut
656:
657: #-------------------------------------------------------
658: sub MAX {
659: my $mask=mask(@_);
660: my $max='-';
661: foreach (grep /$mask/,keys(%sheet_values)) {
662: unless ($max) { $max=$sheet_values{$_}; }
663: if (($sheet_values{$_}>$max) || ($max eq '-')) { $max=$sheet_values{$_}; }
664: }
665: return $max;
666: }
667:
668: #-------------------------------------------------------
669:
670: =item MIN(range)
671:
672: compute the minimum of the items in the range.
673:
674: =cut
675:
676: #-------------------------------------------------------
677: sub MIN {
678: my $mask=mask(@_);
679: my $min='-';
680: foreach (grep /$mask/,keys(%sheet_values)) {
681: unless ($max) { $max=$sheet_values{$_}; }
682: if (($sheet_values{$_}<$min) || ($min eq '-')) {
683: $min=$sheet_values{$_};
684: }
685: }
686: return $min;
687: }
688:
689: #-------------------------------------------------------
690:
691: =item SUMMAX(num,lower,upper)
692:
693: compute the sum of the largest 'num' items in the range from
694: 'lower' to 'upper'
695:
696: =cut
697:
698: #-------------------------------------------------------
699: sub SUMMAX {
700: my ($num,$lower,$upper)=@_;
701: my $mask=mask($lower,$upper);
702: my @inside=();
703: foreach (grep /$mask/,keys(%sheet_values)) {
704: push (@inside,$sheet_values{$_});
705: }
706: @inside=sort(@inside);
707: my $sum=0; my $i;
708: for ($i=$#inside;(($i>$#inside-$num) && ($i>=0));$i--) {
709: $sum+=$inside[$i];
710: }
711: return $sum;
712: }
713:
714: #-------------------------------------------------------
715:
716: =item SUMMIN(num,lower,upper)
717:
718: compute the sum of the smallest 'num' items in the range from
719: 'lower' to 'upper'
720:
721: =cut
722:
723: #-------------------------------------------------------
724: sub SUMMIN {
725: my ($num,$lower,$upper)=@_;
726: my $mask=mask($lower,$upper);
727: my @inside=();
728: foreach (grep /$mask/,keys(%sheet_values)) {
729: $inside[$#inside+1]=$sheet_values{$_};
730: }
731: @inside=sort(@inside);
732: my $sum=0; my $i;
733: for ($i=0;(($i<$num) && ($i<=$#inside));$i++) {
734: $sum+=$inside[$i];
735: }
736: return $sum;
737: }
738:
739: #-------------------------------------------------------
740:
741: =item MINPARM(parametername)
742:
743: Returns the minimum value of the parameters matching the parametername.
744: parametername should be a string such as 'duedate'.
745:
746: =cut
747:
748: #-------------------------------------------------------
749: sub MINPARM {
750: my ($expression) = @_;
751: my $min = undef;
752: study($expression);
753: foreach $parameter (keys(%c)) {
754: next if ($parameter !~ /$expression/);
755: if ((! defined($min)) || ($min > $c{$parameter})) {
756: $min = $c{$parameter}
757: }
758: }
759: return $min;
760: }
761:
762: #-------------------------------------------------------
763:
764: =item MAXPARM(parametername)
765:
766: Returns the maximum value of the parameters matching the input parameter name.
767: parametername should be a string such as 'duedate'.
768:
769: =cut
770:
771: #-------------------------------------------------------
772: sub MAXPARM {
773: my ($expression) = @_;
774: my $max = undef;
775: study($expression);
776: foreach $parameter (keys(%c)) {
777: next if ($parameter !~ /$expression/);
778: if ((! defined($min)) || ($max < $c{$parameter})) {
779: $max = $c{$parameter}
780: }
781: }
782: return $max;
783: }
784:
785: #--------------------------------------------------------
786: sub expandnamed {
787: my $expression=shift;
788: if ($expression=~/^\&/) {
789: my ($func,$var,$formula)=($expression=~/^\&(\w+)\(([^\;]+)\;(.*)\)/);
790: my @vars=split(/\W+/,$formula);
791: my %values=();
792: undef %values;
793: foreach ( @vars ) {
794: my $varname=$_;
795: if ($varname=~/\D/) {
796: $formula=~s/$varname/'$c{\''.$varname.'\'}'/ge;
797: $varname=~s/$var/\(\\w\+\)/g;
798: foreach (keys(%c)) {
799: if ($_=~/$varname/) {
800: $values{$1}=1;
801: }
802: }
803: }
804: }
805: if ($func eq 'EXPANDSUM') {
806: my $result='';
807: foreach (keys(%values)) {
808: my $thissum=$formula;
809: $thissum=~s/$var/$_/g;
810: $result.=$thissum.'+';
811: }
812: $result=~s/\+$//;
813: return $result;
814: } else {
815: return 0;
816: }
817: } else {
818: # it is not a function, so it is a parameter name
819: # We should do the following:
820: # 1. Take the list of parameter names
821: # 2. look through the list for ones that match the parameter we want
822: # 3. If there are no collisions, return the one that matches
823: # 4. If there is a collision, return 'bad parameter name error'
824: my $returnvalue = '';
825: my @matches = ();
826: $#matches = -1;
827: study $expression;
828: foreach $parameter (keys(%c)) {
829: push @matches,$parameter if ($parameter =~ /$expression/);
830: }
831: if (scalar(@matches) == 0) {
832: $returnvalue = 'unmatched parameter: '.$parameter;
833: } elsif (scalar(@matches) == 1) {
834: $returnvalue = '$c{\''.$matches[0].'\'}';
835: } elsif (scalar(@matches) > 0) {
836: # more than one match. Look for a concise one
837: $returnvalue = "'non-unique parameter name : $expression'";
838: foreach (@matches) {
839: if (/^$expression$/) {
840: $returnvalue = '$c{\''.$_.'\'}';
841: }
842: }
843: } else {
844: # There was a negative number of matches, which indicates
845: # something is wrong with reality. Better warn the user.
846: $returnvalue = 'bizzare parameter: '.$parameter;
847: }
848: return $returnvalue;
849: }
850: }
851:
852: sub sett {
853: %t=();
854: my $pattern='';
855: if ($sheettype eq 'assesscalc') {
856: $pattern='A';
857: } else {
858: $pattern='[A-Z]';
859: }
860: # Deal with the template row
861: foreach (keys(%f)) {
862: next if ($_!~/template\_(\w)/);
863: my $col=$1;
864: next if ($col=~/^$pattern/);
865: foreach (keys(%f)) {
866: next if ($_!~/A(\d+)/);
867: my $trow=$1;
868: next if (! $trow);
869: # Get the name of this cell
870: my $lb=$col.$trow;
871: # Grab the template declaration
872: $t{$lb}=$f{'template_'.$col};
873: # Replace '#' with the row number
874: $t{$lb}=~s/\#/$trow/g;
875: # Replace '....' with ','
876: $t{$lb}=~s/\.\.+/\,/g;
877: # Replace 'A0' with the value from 'A0'
878: $t{$lb}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$sheet_values\{\'$2\'\}/g;
879: # Replace parameters
880: $t{$lb}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.&expandnamed($2)/ge;
881: }
882: }
883: # Deal with the normal cells
884: foreach (keys(%f)) {
885: if (exists($f{$_}) && ($_!~/template\_/)) {
886: my $matches=($_=~/^$pattern(\d+)/);
887: if (($matches) && ($1)) {
888: unless ($f{$_}=~/^\!/) {
889: $t{$_}=$c{$_};
890: }
891: } else {
892: $t{$_}=$f{$_};
893: $t{$_}=~s/\.\.+/\,/g;
894: $t{$_}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$sheet_values\{\'$2\'\}/g;
895: $t{$_}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.&expandnamed($2)/ge;
896: }
897: }
898: }
899: # For inserted lines, [B-Z] is also valid
900: unless ($sheettype eq 'assesscalc') {
901: foreach (keys(%f)) {
902: if ($_=~/[B-Z](\d+)/) {
903: if ($f{'A'.$1}=~/^[\~\-]/) {
904: $t{$_}=$f{$_};
905: $t{$_}=~s/\.\.+/\,/g;
906: $t{$_}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$sheet_values\{\'$2\'\}/g;
907: $t{$_}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.&expandnamed($2)/ge;
908: }
909: }
910: }
911: }
912: # For some reason 'A0' gets special treatment... This seems superfluous
913: # but I imagine it is here for a reason.
914: $t{'A0'}=$f{'A0'};
915: $t{'A0'}=~s/\.\.+/\,/g;
916: $t{'A0'}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$sheet_values\{\'$2\'\}/g;
917: $t{'A0'}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.&expandnamed($2)/ge;
918: }
919:
920: sub calc {
921: undef %sheet_values;
922: &sett();
923: my $notfinished=1;
924: my $lastcalc='';
925: my $depth=0;
926: while ($notfinished) {
927: $notfinished=0;
928: foreach (keys(%t)) {
929: #$errorlog .= "$_:".$t{$_};
930: my $old=$sheet_values{$_};
931: $sheet_values{$_}=eval $t{$_};
932: if ($@) {
933: undef %sheet_values;
934: return $_.': '.$@;
935: }
936: if ($sheet_values{$_} ne $old) { $notfinished=1; $lastcalc=$_; }
937: #$errorlog .= ":".$sheet_values{$_}."\n";
938: }
939: $depth++;
940: if ($depth>100) {
941: undef %sheet_values;
942: return $lastcalc.': Maximum calculation depth exceeded';
943: }
944: }
945: return '';
946: }
947:
948: # ------------------------------------------- End of "Inside of the safe space"
949: ENDDEFS
950: $safeeval->reval($code);
951: return $safeeval;
952: }
953:
954: #
955: #
956: #
957: sub templaterow {
958: my $sheet = shift;
959: my @cols=();
960: my $rowlabel = 'Template';
961: foreach ('A','B','C','D','E','F','G','H','I','J','K','L','M',
962: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
963: 'a','b','c','d','e','f','g','h','i','j','k','l','m',
964: 'n','o','p','q','r','s','t','u','v','w','x','y','z') {
965: my $fm=$sheet->{'f'}->{'template_'.$_};
966: $fm=~s/[\'\"]/\&\#34;/g;
967: push(@cols,{ name => 'template_'.$_,
968: formula => $fm,
969: value => $fm });
970: }
971: return ($rowlabel,@cols);
972: }
973:
974: sub outrowassess {
975: # $n is the current row number
976: my ($sheet,$n) = @_;
977: my @cols=();
978: my $rowlabel='';
979: if ($n) {
980: my ($usy,$ufn)=split(/__&&&\__/,$sheet->{'f'}->{'A'.$n});
981: if (exists($sheet->{'rowlabel'}->{$usy})) {
982: $rowlabel = $sheet->{'rowlabel'}->{$usy};
983: } else {
984: $rowlabel = '';
985: }
986: } else {
987: $rowlabel = 'Export';
988: }
989: foreach ('A','B','C','D','E','F','G','H','I','J','K','L','M',
990: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
991: 'a','b','c','d','e','f','g','h','i','j','k','l','m',
992: 'n','o','p','q','r','s','t','u','v','w','x','y','z') {
993: my $fm=$sheet->{'f'}->{$_.$n};
994: $fm=~s/[\'\"]/\&\#34;/g;
995: push(@cols,{ name => $_.$n,
996: formula => $fm,
997: value => $sheet->{'values'}->{$_.$n}});
998: }
999: return ($rowlabel,@cols);
1000: }
1001:
1002: sub outrow {
1003: my ($sheet,$n)=@_;
1004: my @cols=();
1005: my $rowlabel;
1006: if ($n) {
1007: $rowlabel = $sheet->{'rowlabel'}->{$sheet->{'f'}->{'A'.$n}};
1008: } else {
1009: if ($sheet->{'sheettype'} eq 'classcalc') {
1010: $rowlabel = 'Summary';
1011: } else {
1012: $rowlabel = 'Export';
1013: }
1014: }
1015: foreach ('A','B','C','D','E','F','G','H','I','J','K','L','M',
1016: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
1017: 'a','b','c','d','e','f','g','h','i','j','k','l','m',
1018: 'n','o','p','q','r','s','t','u','v','w','x','y','z') {
1019: my $fm=$sheet->{'f'}->{$_.$n};
1020: $fm=~s/[\'\"]/\&\#34;/g;
1021: push(@cols,{ name => $_.$n,
1022: formula => $fm,
1023: value => $sheet->{'values'}->{$_.$n}});
1024: }
1025: return ($rowlabel,@cols);
1026: }
1027:
1028: # ------------------------------------------------ Add or change formula values
1029: sub setformulas {
1030: my ($sheet)=shift;
1031: %{$sheet->{'safe'}->varglob('f')}=%{$sheet->{'f'}};
1032: }
1033:
1034: # ------------------------------------------------ Add or change formula values
1035: sub setconstants {
1036: my ($sheet)=shift;
1037: my ($constants) = @_;
1038: if (! ref($constants)) {
1039: my %tmp = @_;
1040: $constants = \%tmp;
1041: }
1042: $sheet->{'constants'} = $constants;
1043: return %{$sheet->{'safe'}->varglob('c')}=%{$sheet->{'constants'}};
1044: }
1045:
1046: # --------------------------------------------- Set names of other spreadsheets
1047: sub setothersheets {
1048: my $sheet = shift;
1049: my @othersheets = @_;
1050: $sheet->{'othersheets'} = \@othersheets;
1051: @{$sheet->{'safe'}->varglob('os')}=@othersheets;
1052: return;
1053: }
1054:
1055: # ------------------------------------------------ Add or change formula values
1056: sub setrowlabels {
1057: my $sheet=shift;
1058: my ($rowlabel) = @_;
1059: if (! ref($rowlabel)) {
1060: my %tmp = @_;
1061: $rowlabel = \%tmp;
1062: }
1063: $sheet->{'rowlabel'}=$rowlabel;
1064: }
1065:
1066: # ------------------------------------------------------- Calculate spreadsheet
1067: sub calcsheet {
1068: my $sheet=shift;
1069: my $result = $sheet->{'safe'}->reval('&calc();');
1070: %{$sheet->{'values'}} = %{$sheet->{'safe'}->varglob('sheet_values')};
1071: return $result;
1072: }
1073:
1074: # ---------------------------------------------------------------- Get formulas
1075: # Return a copy of the formulas
1076: sub getformulas {
1077: my $sheet = shift;
1078: return %{$sheet->{'safe'}->varglob('f')};
1079: }
1080:
1081: sub geterrorlog {
1082: my $sheet = shift;
1083: return ${$sheet->{'safe'}->varglob('errorlog')};
1084: }
1085:
1086: # ----------------------------------------------------- Get value of $f{'A'.$n}
1087: sub getfa {
1088: my $sheet = shift;
1089: my ($n)=@_;
1090: return $sheet->{'safe'}->reval('$f{"A'.$n.'"}');
1091: }
1092:
1093: # ------------------------------------------------------------- Export of A-row
1094: sub exportdata {
1095: my $sheet=shift;
1096: my @exportarray=();
1097: foreach ('A','B','C','D','E','F','G','H','I','J','K','L','M',
1098: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z') {
1099: if (exists($sheet->{'values'}->{$_.'0'})) {
1100: push(@exportarray,$sheet->{'values'}->{$_.'0'});
1101: } else {
1102: push(@exportarray,'');
1103: }
1104: }
1105: return @exportarray;
1106: }
1107:
1108: # ========================================================== End of Spreadsheet
1109: # =============================================================================
1110:
1111: #
1112: # Procedures for screen output
1113: #
1114: # --------------------------------------------- Produce output row n from sheet
1115:
1116: sub get_row {
1117: my ($sheet,$n) = @_;
1118: my ($rowlabel,@rowdata);
1119: if ($n eq '-') {
1120: ($rowlabel,@rowdata) = &templaterow($sheet);
1121: } elsif ($sheet->{'sheettype'} eq 'studentcalc') {
1122: ($rowlabel,@rowdata) = &outrowassess($sheet,$n);
1123: } else {
1124: ($rowlabel,@rowdata) = &outrow($sheet,$n);
1125: }
1126: return ($rowlabel,@rowdata);
1127: }
1128:
1129: ########################################################################
1130: ########################################################################
1131: sub sort_indicies {
1132: my $sheet = shift;
1133: #
1134: # Sort the rows in some manner
1135: #
1136: my @sortby=();
1137: my @sortidx=();
1138: for (my $row=1;$row<=$sheet->{'maxrow'};$row++) {
1139: push (@sortby, $sheet->{'safe'}->reval('$f{"A'.$row.'"}'));
1140: push (@sortidx, $row);
1141: }
1142: @sortidx=sort { lc($sortby[$a]) cmp lc($sortby[$b]); } @sortidx;
1143: return @sortidx;
1144: }
1145:
1146: ########################################################################
1147: ########################################################################
1148:
1149: sub html_editable_cell {
1150: my ($cell,$bgcolor) = @_;
1151: my $result;
1152: # if (defined($cell)) {
1153: # &Apache::lonnet::logthis("cell ".$cell->{'name'}.
1154: # " = ".$cell->{'value'}.
1155: # " : ".$cell->{'formula'});
1156: # }
1157: my ($name,$formula,$value);
1158: if (defined($cell)) {
1159: $name = $cell->{'name'};
1160: $formula = $cell->{'formula'};
1161: $value = $cell->{'value'};
1162: }
1163: $name = '' if (! defined($name));
1164: $formula = '' if (! defined($formula));
1165: if (! defined($value)) {
1166: $value = '<font color="'.$bgcolor.'">#</font>';
1167: if ($formula ne '') {
1168: $value = '<i>undefined value</i>';
1169: }
1170: }
1171: #
1172: $result .= '<a href="javascript:celledit(\''.
1173: $name.'\',\''.$formula.'\');">'.$value.'</a>';
1174: return $result;
1175: }
1176:
1177: sub html_uneditable_cell {
1178: my ($cell,$bgcolor) = @_;
1179: my $value = (defined($cell) ? $cell->{'value'} : '');
1180: return ' '.$value.' ';
1181: }
1182:
1183: ########################################################################
1184: ########################################################################
1185:
1186: sub outsheet_html {
1187: my ($sheet,$r) = @_;
1188: my ($num_uneditable,$realm,$row_type);
1189: if ($sheet->{'sheettype'} eq 'assesscalc') {
1190: $num_uneditable = 1;
1191: $realm = 'Assessment';
1192: $row_type = 'Item';
1193: } elsif ($sheet->{'sheettype'} eq 'studentcalc') {
1194: $num_uneditable = 26;
1195: $realm = 'User';
1196: $row_type = 'Assessment';
1197: } elsif ($sheet->{'sheettype'} eq 'classcalc') {
1198: $num_uneditable = 26;
1199: $realm = 'Course';
1200: $row_type = 'Student';
1201: } else {
1202: return; # error
1203: }
1204: ####################################
1205: # Print out header table
1206: ####################################
1207: my $num_left = 52-$num_uneditable;
1208: my $tabledata =<<"END";
1209: <table border="2">
1210: <tr>
1211: <th colspan="1" rowspan="2"><font size="+2">$realm</font></th>
1212: <td bgcolor="#FFDDDD" colspan="$num_uneditable">
1213: <b><font size="+1">Import</font></b></td>
1214: <td colspan="$num_left">
1215: <b><font size="+1">Calculations</font></b></td>
1216: </tr><tr>
1217: END
1218: my $label_num = 0;
1219: foreach (split(//,'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz')){
1220: if ($label_num<$num_uneditable) {
1221: $tabledata.='<td bgcolor="#FFDDDD">';
1222: } else {
1223: $tabledata.='<td>';
1224: }
1225: $tabledata.="<b><font size=+1>$_</font></b></td>";
1226: $label_num++;
1227: }
1228: $tabledata.="</tr>\n";
1229: $r->print($tabledata);
1230: ####################################
1231: # Print out template row
1232: ####################################
1233: my ($rowlabel,@rowdata) = &get_row($sheet,'-');
1234: my $row_html = '<tr><td>'.&format_rowlabel($rowlabel).'</td>';
1235: my $num_cols_output = 0;
1236: foreach my $cell (@rowdata) {
1237: if ($num_cols_output++ < $num_uneditable) {
1238: $row_html .= '<td bgcolor="#FFDDDD">';
1239: $row_html .= &html_uneditable_cell($cell,'#FFDDDD');
1240: } else {
1241: $row_html .= '<td bgcolor="#EOFFDD">';
1242: $row_html .= &html_editable_cell($cell,'#E0FFDD');
1243: }
1244: $row_html .= '</td>';
1245: }
1246: $row_html.= "</tr>\n";
1247: $r->print($row_html);
1248: ####################################
1249: # Print out summary/export row
1250: ####################################
1251: my ($rowlabel,@rowdata) = &get_row($sheet,'0');
1252: my $rowcount = 0;
1253: $row_html = '<tr><td>'.&format_rowlabel($rowlabel).'</td>';
1254: $num_cols_output = 0;
1255: foreach my $cell (@rowdata) {
1256: if ($num_cols_output++ < 26) {
1257: $row_html .= '<td bgcolor="#CCCCFF">';
1258: $row_html .= &html_editable_cell($cell,'#CCCCFF');
1259: } else {
1260: $row_html .= '<td bgcolor="#DDCCFF">';
1261: $row_html .= &html_uneditable_cell(undef,'#CCCCFF');
1262: }
1263: $row_html .= '</td>';
1264: }
1265: $row_html.= "</tr>\n";
1266: $r->print($row_html);
1267: $r->print('</table>');
1268: ####################################
1269: # Prepare to output rows
1270: ####################################
1271: my @Rows = &sort_indicies($sheet);
1272: #
1273: # Loop through the rows and output them one at a time
1274: my $rows_output=0;
1275: foreach my $rownum (@Rows) {
1276: my ($rowlabel,@rowdata) = &get_row($sheet,$rownum);
1277: #
1278: my $defaultbg='#E0FF';
1279: #
1280: my $row_html ="\n".'<tr><td><b><font size=+1>'.$rownum.
1281: '</font></b></td>';
1282: #
1283: if ($sheet->{'sheettype'} eq 'classcalc') {
1284: $row_html.='<td>'.&format_rowlabel($rowlabel).'</td>';
1285: # Output links for each student?
1286: # Nope, that is already done for us in format_rowlabel (for now)
1287: } elsif ($sheet->{'sheettype'} eq 'studentcalc') {
1288: $row_html.='<td>'.&format_rowlabel($rowlabel);
1289: $row_html.= '<br>'.
1290: '<select name="sel_'.$rownum.'" '.
1291: 'onChange="changesheet('.$rownum.')">'.
1292: '<option name="default">Default</option>';
1293: foreach (@{$sheet->{'othersheets'}}) {
1294: $row_html.='<option name="'.$_.'"';
1295: #if ($ufn eq $_) {
1296: # $row_html.=' selected';
1297: #}
1298: $row_html.='>'.$_.'</option>';
1299: }
1300: $row_html.='</select></td>';
1301: } elsif ($sheet->{'sheettype'} eq 'assesscalc') {
1302: $row_html.='<td>'.&format_rowlabel($rowlabel).'</td>';
1303: }
1304: #
1305: my $shown_cells = 0;
1306: foreach my $cell (@rowdata) {
1307: my $value = $cell->{'value'};
1308: my $formula = $cell->{'formula'};
1309: my $cellname = $cell->{'name'};
1310: #
1311: my $bgcolor;
1312: if ($shown_cells && ($shown_cells/5 == int($shown_cells/5))) {
1313: $bgcolor = $defaultbg.'99';
1314: } else {
1315: $bgcolor = $defaultbg.'DD';
1316: }
1317: $bgcolor='#FFDDDD' if ($shown_cells < $num_uneditable);
1318: #
1319: $row_html.='<td bgcolor='.$bgcolor.'>';
1320: if ($shown_cells < $num_uneditable) {
1321: $row_html .= &html_uneditable_cell($cell,$bgcolor);
1322: } else {
1323: $row_html .= &html_editable_cell($cell,$bgcolor);
1324: }
1325: $row_html.='</td>';
1326: $shown_cells++;
1327: }
1328: if ($row_html) {
1329: if ($rows_output % 25 == 0) {
1330: $r->print("</table>\n<br>\n");
1331: $r->rflush();
1332: $r->print('<table border=2>'.
1333: '<tr><td> <td>'.$row_type.'</td>'.
1334: '<td>'.
1335: join('</td><td>',
1336: (split(//,'ABCDEFGHIJKLMNOPQRSTUVWXYZ'.
1337: 'abcdefghijklmnopqrstuvwxyz'))).
1338: "</td></tr>\n");
1339: }
1340: $rows_output++;
1341: $r->print($row_html);
1342: }
1343: }
1344: #
1345: $r->print('</table>');
1346: #
1347: # Debugging code (be sure to uncomment errorlog code in safe space):
1348: #
1349: # $r->print("\n<pre>");
1350: # $r->print(&geterrorlog($sheet));
1351: # $r->print("\n</pre>");
1352: return 1;
1353: }
1354:
1355: sub outsheet_csv {
1356: my ($sheet,$r) = @_;
1357: }
1358:
1359: sub outsheet_excel {
1360: my ($sheet,$r) = @_;
1361: }
1362:
1363: sub outsheet_xml {
1364: my ($sheet,$r) = @_;
1365: }
1366:
1367: sub outsheet {
1368: my ($r,$sheet)=@_;
1369: &outsheet_html($sheet,$r);
1370: # if (exists($ENV{'form.csv'})) {
1371: # &outsheet_csv($sheet,$r);
1372: # } elsif (exists($ENV{'form.excel'})) {
1373: # &outsheet_excel($sheet,$r);
1374: # } elsif (exists($ENV{'form.xml'})) {
1375: # &outsheet_xml($sheet,$r);
1376: # } else {
1377: # &outsheet_html($sheet,$r);
1378: # }
1379: }
1380:
1381: ########################################################################
1382: ########################################################################
1383: sub othersheets {
1384: my ($sheet,$stype)=@_;
1385: $stype = $sheet->{'sheettype'} if (! defined($stype));
1386: #
1387: my $cnum = $sheet->{'cnum'};
1388: my $cdom = $sheet->{'cdom'};
1389: my $chome = $sheet->{'chome'};
1390: #
1391: my @alternatives=();
1392: my %results=&Apache::lonnet::dump($stype.'_spreadsheets',$cdom,$cnum);
1393: my ($tmp) = keys(%results);
1394: unless ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1395: @alternatives = sort (keys(%results));
1396: }
1397: return @alternatives;
1398: }
1399:
1400: #
1401: # -------------------------------------- Parse a spreadsheet
1402: #
1403: sub parse_sheet {
1404: # $sheetxml is a scalar reference or a scalar
1405: my ($sheetxml) = @_;
1406: if (! ref($sheetxml)) {
1407: my $tmp = $sheetxml;
1408: $sheetxml = \$tmp;
1409: }
1410: my %f;
1411: my $parser=HTML::TokeParser->new($sheetxml);
1412: my $token;
1413: while ($token=$parser->get_token) {
1414: if ($token->[0] eq 'S') {
1415: if ($token->[1] eq 'field') {
1416: $f{$token->[2]->{'col'}.$token->[2]->{'row'}}=
1417: $parser->get_text('/field');
1418: }
1419: if ($token->[1] eq 'template') {
1420: $f{'template_'.$token->[2]->{'col'}}=
1421: $parser->get_text('/template');
1422: }
1423: }
1424: }
1425: return \%f;
1426: }
1427:
1428: #
1429: # -------------------------------------- Read spreadsheet formulas for a course
1430: #
1431: sub readsheet {
1432: my ($sheet,$fn)=@_;
1433: #
1434: my $stype = $sheet->{'sheettype'};
1435: my $cnum = $sheet->{'cnum'};
1436: my $cdom = $sheet->{'cdom'};
1437: my $chome = $sheet->{'chome'};
1438: #
1439: if (! defined($fn)) {
1440: # There is no filename. Look for defaults in course and global, cache
1441: unless ($fn=$defaultsheets{$cnum.'_'.$cdom.'_'.$stype}) {
1442: my %tmphash = &Apache::lonnet::get('environment',
1443: ['spreadsheet_default_'.$stype],
1444: $cdom,$cnum);
1445: my ($tmp) = keys(%tmphash);
1446: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1447: $fn = 'default_'.$stype;
1448: } else {
1449: $fn = $tmphash{'spreadsheet_default_'.$stype};
1450: }
1451: unless (($fn) && ($fn!~/^error\:/)) {
1452: $fn='default_'.$stype;
1453: }
1454: $defaultsheets{$cnum.'_'.$cdom.'_'.$stype}=$fn;
1455: }
1456: }
1457: # $fn now has a value
1458: $sheet->{'filename'} = $fn;
1459: # see if sheet is cached
1460: my $fstring='';
1461: if ($fstring=$spreadsheets{$cnum.'_'.$cdom.'_'.$stype.'_'.$fn}) {
1462: my %tmp = split(/___;___/,$fstring);
1463: $sheet->{'f'} = \%tmp;
1464: &setformulas($sheet);
1465: } else {
1466: # Not cached, need to read
1467: my %f=();
1468: if ($fn=~/^default\_/) {
1469: my $sheetxml='';
1470: my $fh;
1471: my $dfn=$fn;
1472: $dfn=~s/\_/\./g;
1473: if ($fh=Apache::File->new($includedir.'/'.$dfn)) {
1474: $sheetxml=join('',<$fh>);
1475: } else {
1476: $sheetxml='<field row="0" col="A">"Error"</field>';
1477: }
1478: %f=%{&parse_sheet(\$sheetxml)};
1479: } elsif($fn=~/\/*\.spreadsheet$/) {
1480: my $sheetxml=&Apache::lonnet::getfile
1481: (&Apache::lonnet::filelocation('',$fn));
1482: if ($sheetxml == -1) {
1483: $sheetxml='<field row="0" col="A">"Error loading spreadsheet '
1484: .$fn.'"</field>';
1485: }
1486: %f=%{&parse_sheet(\$sheetxml)};
1487: } else {
1488: my $sheet='';
1489: my %tmphash = &Apache::lonnet::dump($fn,$cdom,$cnum);
1490: my ($tmp) = keys(%tmphash);
1491: unless ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1492: foreach (keys(%tmphash)) {
1493: $f{$_}=$tmphash{$_};
1494: }
1495: }
1496: }
1497: # Cache and set
1498: $spreadsheets{$cnum.'_'.$cdom.'_'.$stype.'_'.$fn}=join('___;___',%f);
1499: $sheet->{'f'}=\%f;
1500: &setformulas($sheet);
1501: }
1502: }
1503:
1504: # -------------------------------------------------------- Make new spreadsheet
1505: sub makenewsheet {
1506: my ($uname,$udom,$stype,$usymb)=@_;
1507: my $sheet={};
1508: $sheet->{'uname'} = $uname;
1509: $sheet->{'udom'} = $udom;
1510: $sheet->{'sheettype'} = $stype;
1511: $sheet->{'usymb'} = $usymb;
1512: $sheet->{'cid'} = $ENV{'request.course.id'};
1513: $sheet->{'csec'} = $Section{$uname.':'.$udom};
1514: $sheet->{'coursefilename'} = $ENV{'request.course.fn'};
1515: $sheet->{'cnum'} = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
1516: $sheet->{'cdom'} = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
1517: $sheet->{'chome'} = $ENV{'course.'.$ENV{'request.course.id'}.'.home'};
1518: $sheet->{'uhome'} = &Apache::lonnet::homeserver($uname,$udom);
1519: #
1520: #
1521: $sheet->{'f'} = {};
1522: $sheet->{'constants'} = {};
1523: $sheet->{'othersheets'} = [];
1524: $sheet->{'rowlabel'} = {};
1525: #
1526: #
1527: $sheet->{'safe'}=&initsheet($sheet->{'sheettype'});
1528: #
1529: # Place all the %$sheet items into the safe space except the safe space
1530: # itself
1531: my $initstring = '';
1532: foreach (qw/uname udom sheettype usymb cid csec coursefilename
1533: cnum cdom chome uhome/) {
1534: $initstring.= qq{\$$_="$sheet->{$_}";};
1535: }
1536: $sheet->{'safe'}->reval($initstring);
1537: return $sheet;
1538: }
1539:
1540: # ------------------------------------------------------------ Save spreadsheet
1541: sub writesheet {
1542: my ($sheet,$makedef)=@_;
1543: my $cid=$sheet->{'cid'};
1544: if (&Apache::lonnet::allowed('opa',$cid)) {
1545: my %f=&getformulas($sheet);
1546: my $stype= $sheet->{'sheettype'};
1547: my $cnum = $sheet->{'cnum'};
1548: my $cdom = $sheet->{'cdom'};
1549: my $chome= $sheet->{'chome'};
1550: my $fn = $sheet->{'filename'};
1551: # Cache new sheet
1552: $spreadsheets{$cnum.'_'.$cdom.'_'.$stype.'_'.$fn}=join('___;___',%f);
1553: # Write sheet
1554: foreach (keys(%f)) {
1555: delete($f{$_}) if ($f{$_} eq 'import');
1556: }
1557: my $reply = &Apache::lonnet::put($fn,\%f,$cdom,$cnum);
1558: if ($reply eq 'ok') {
1559: $reply = &Apache::lonnet::put($stype.'_spreadsheets',
1560: {$fn => $ENV{'user.name'}.'@'.$ENV{'user.domain'}},
1561: $cdom,$cnum);
1562: if ($reply eq 'ok') {
1563: if ($makedef) {
1564: return &Apache::lonnet::put('environment',
1565: {'spreadsheet_default_'.$stype => $fn },
1566: $cdom,$cnum);
1567: }
1568: return $reply;
1569: }
1570: return $reply;
1571: }
1572: return $reply;
1573: }
1574: return 'unauthorized';
1575: }
1576:
1577: # ----------------------------------------------- Make a temp copy of the sheet
1578: # "Modified workcopy" - interactive only
1579: #
1580: sub tmpwrite {
1581: my ($sheet) = @_;
1582: my $fn=$ENV{'user.name'}.'_'.
1583: $ENV{'user.domain'}.'_spreadsheet_'.$sheet->{'usymb'}.'_'.
1584: $sheet->{'filename'};
1585: $fn=~s/\W/\_/g;
1586: $fn=$tmpdir.$fn.'.tmp';
1587: my $fh;
1588: if ($fh=Apache::File->new('>'.$fn)) {
1589: print $fh join("\n",&getformulas($sheet));
1590: }
1591: }
1592:
1593: # ---------------------------------------------------------- Read the temp copy
1594: sub tmpread {
1595: my ($sheet,$nfield,$nform)=@_;
1596: my $fn=$ENV{'user.name'}.'_'.
1597: $ENV{'user.domain'}.'_spreadsheet_'.$sheet->{'usymb'}.'_'.
1598: $sheet->{'filename'};
1599: $fn=~s/\W/\_/g;
1600: $fn=$tmpdir.$fn.'.tmp';
1601: my $fh;
1602: my %fo=();
1603: my $countrows=0;
1604: if ($fh=Apache::File->new($fn)) {
1605: my $name;
1606: while ($name=<$fh>) {
1607: chomp($name);
1608: my $value=<$fh>;
1609: chomp($value);
1610: $fo{$name}=$value;
1611: if ($name=~/^A(\d+)$/) {
1612: if ($1>$countrows) {
1613: $countrows=$1;
1614: }
1615: }
1616: }
1617: }
1618: if ($nform eq 'changesheet') {
1619: $fo{'A'.$nfield}=(split(/__&&&\__/,$fo{'A'.$nfield}))[0];
1620: unless ($ENV{'form.sel_'.$nfield} eq 'Default') {
1621: $fo{'A'.$nfield}.='__&&&__'.$ENV{'form.sel_'.$nfield};
1622: }
1623: } elsif ($nfield eq 'insertrow') {
1624: $countrows++;
1625: my $newrow=substr('000000'.$countrows,-7);
1626: if ($nform eq 'top') {
1627: $fo{'A'.$countrows}='--- '.$newrow;
1628: } else {
1629: $fo{'A'.$countrows}='~~~ '.$newrow;
1630: }
1631: } else {
1632: if ($nfield) { $fo{$nfield}=$nform; }
1633: }
1634: $sheet->{'f'}=\%fo;
1635: &setformulas($sheet);
1636: }
1637:
1638: ##################################################
1639: ##################################################
1640:
1641: =pod
1642:
1643: =item &parmval()
1644:
1645: Determine the value of a parameter.
1646:
1647: Inputs: $what, the parameter needed, $sheet, the safe space
1648:
1649: Returns: The value of a parameter, or '' if none.
1650:
1651: This function cascades through the possible levels searching for a value for
1652: a parameter. The levels are checked in the following order:
1653: user, course (at section level and course level), map, and lonnet::metadata.
1654: This function uses %parmhash, which must be tied prior to calling it.
1655: This function also requires %courseopt and %useropt to be initialized for
1656: this user and course.
1657:
1658: =cut
1659:
1660: ##################################################
1661: ##################################################
1662: sub parmval {
1663: my ($what,$sheet)=@_;
1664: my $symb = $sheet->{'usymb'};
1665: unless ($symb) { return ''; }
1666: #
1667: my $cid = $sheet->{'cid'};
1668: my $csec = $sheet->{'csec'};
1669: my $uname = $sheet->{'uname'};
1670: my $udom = $sheet->{'udom'};
1671: my $result='';
1672: #
1673: my ($mapname,$id,$fn)=split(/\_\_\_/,$symb);
1674: # Cascading lookup scheme
1675: my $rwhat=$what;
1676: $what =~ s/^parameter\_//;
1677: $what =~ s/\_([^\_]+)$/\.$1/;
1678: #
1679: my $symbparm = $symb.'.'.$what;
1680: my $mapparm = $mapname.'___(all).'.$what;
1681: my $usercourseprefix = $uname.'_'.$udom.'_'.$cid;
1682: #
1683: my $seclevel = $usercourseprefix.'.['.$csec.'].'.$what;
1684: my $seclevelr = $usercourseprefix.'.['.$csec.'].'.$symbparm;
1685: my $seclevelm = $usercourseprefix.'.['.$csec.'].'.$mapparm;
1686: #
1687: my $courselevel = $usercourseprefix.'.'.$what;
1688: my $courselevelr = $usercourseprefix.'.'.$symbparm;
1689: my $courselevelm = $usercourseprefix.'.'.$mapparm;
1690: # fourth, check user
1691: if (defined($uname)) {
1692: return $useropt{$courselevelr} if (defined($useropt{$courselevelr}));
1693: return $useropt{$courselevelm} if (defined($useropt{$courselevelm}));
1694: return $useropt{$courselevel} if (defined($useropt{$courselevel}));
1695: }
1696: # third, check course
1697: if (defined($csec)) {
1698: return $courseopt{$seclevelr} if (defined($courseopt{$seclevelr}));
1699: return $courseopt{$seclevelm} if (defined($courseopt{$seclevelm}));
1700: return $courseopt{$seclevel} if (defined($courseopt{$seclevel}));
1701: }
1702: #
1703: return $courseopt{$courselevelr} if (defined($courseopt{$courselevelr}));
1704: return $courseopt{$courselevelm} if (defined($courseopt{$courselevelm}));
1705: return $courseopt{$courselevel} if (defined($courseopt{$courselevel}));
1706: # second, check map parms
1707: my $thisparm = $parmhash{$symbparm};
1708: return $thisparm if (defined($thisparm));
1709: # first, check default
1710: return &Apache::lonnet::metadata($fn,$rwhat.'.default');
1711: }
1712:
1713: sub format_rowlabel {
1714: my $rowlabel = shift;
1715: return '' if ($rowlabel eq '');
1716: my ($type,$labeldata) = split(':',$rowlabel,2);
1717: my $result = '';
1718: if ($type eq 'symb') {
1719: my ($symb,$uname,$udom,$title) = split(':',$labeldata);
1720: $symb = &Apache::lonnet::unescape($symb);
1721: if ($ENV{'form.showcsv'}) {
1722: $result = $title;
1723: } else {
1724: $result = '<a href="/adm/assesscalc?usymb='.$symb.
1725: '&uname='.$uname.'&udom='.$udom.'">'.$title.'</a>';
1726: }
1727: } elsif ($type eq 'student') {
1728: my ($sname,$sdom,$fullname,$section,$id) = split(':',$labeldata);
1729: if ($ENV{'form.showcsv'}) {
1730: $result = '"'.
1731: join('","',($sname,$sdom,$fullname,$section,$id).'"');
1732: } else {
1733: $result ='<a href="/adm/studentcalc?uname='.$sname.
1734: '&udom='.$sdom.'">';
1735: $result.=$section.' '.$id." ".$fullname.'</a>';
1736: }
1737: } elsif ($type eq 'parameter') {
1738: if ($ENV{'form.showcsv'}) {
1739: $labeldata =~ s/<br>/ /g;
1740: }
1741: $result = $labeldata;
1742: } else {
1743: if ($ENV{'form.showcsv'}) {
1744: $result = $rowlabel;
1745: } else {
1746: $result = '<b><font size=+1>'.$rowlabel.'</font></b>';
1747: }
1748: }
1749: return $result;
1750: }
1751:
1752: # ---------------------------------------------- Update rows for course listing
1753: sub updateclasssheet {
1754: my ($sheet) = @_;
1755: my $cnum =$sheet->{'cnum'};
1756: my $cdom =$sheet->{'cdom'};
1757: my $cid =$sheet->{'cid'};
1758: my $chome =$sheet->{'chome'};
1759: #
1760: %Section = ();
1761:
1762: #
1763: # Read class list and row labels
1764: my $classlist = &Apache::loncoursedata::get_classlist();
1765: if (! defined($classlist)) {
1766: return 'Could not access course classlist';
1767: }
1768: #
1769: my %currentlist=();
1770: foreach my $student (keys(%$classlist)) {
1771: my ($studentDomain,$studentName,$end,$start,$id,$studentSection,
1772: $fullname,$status) = @{$classlist->{$student}};
1773: if ($ENV{'form.Status'} eq $status || $ENV{'form.Status'} eq 'Any') {
1774: $currentlist{$student}=join(':',('student',$studentName,
1775: $studentDomain,$fullname,
1776: $studentSection,$id));
1777: }
1778: }
1779: #
1780: # Find discrepancies between the course row table and this
1781: #
1782: my %f=&getformulas($sheet);
1783: my $changed=0;
1784: #
1785: $sheet->{'maxrow'}=0;
1786: my %existing=();
1787: #
1788: # Now obsolete rows
1789: foreach (keys(%f)) {
1790: if ($_=~/^A(\d+)/) {
1791: if ($1 > $sheet->{'maxrow'}) {
1792: $sheet->{'maxrow'}= $1;
1793: }
1794: $existing{$f{$_}}=1;
1795: unless ((defined($currentlist{$f{$_}})) || (!$1) ||
1796: ($f{$_}=~/^(~~~|---)/)) {
1797: $f{$_}='!!! Obsolete';
1798: $changed=1;
1799: }
1800: }
1801: }
1802: #
1803: # New and unknown keys
1804: foreach my $student (sort keys(%currentlist)) {
1805: unless ($existing{$student}) {
1806: $changed=1;
1807: $sheet->{'maxrow'}++;
1808: $f{'A'.$sheet->{'maxrow'}}=$student;
1809: }
1810: }
1811: if ($changed) {
1812: $sheet->{'f'} = \%f;
1813: &setformulas($sheet,%f);
1814: }
1815: #
1816: &setrowlabels($sheet,\%currentlist);
1817: }
1818:
1819: # ----------------------------------- Update rows for student and assess sheets
1820: sub updatestudentassesssheet {
1821: my ($sheet) = @_;
1822: #
1823: my %bighash;
1824: #
1825: my $stype = $sheet->{'sheettype'};
1826: my $uname = $sheet->{'uname'};
1827: my $udom = $sheet->{'udom'};
1828: $sheet->{'rowlabel'} = {};
1829: my $identifier =$sheet->{'coursefilename'}.'_'.$stype.'_'.$uname.'_'.$udom;
1830: if ($updatedata{$identifier}) {
1831: %{$sheet->{'rowlabel'}}=split(/___;___/,$updatedata{$identifier});
1832: } else {
1833: # Tie hash
1834: tie(%bighash,'GDBM_File',$sheet->{'coursefilename'}.'.db',
1835: &GDBM_READER(),0640);
1836: if (! tied(%bighash)) {
1837: return 'Could not access course data';
1838: }
1839: # Get all assessments
1840: #
1841: # parameter_labels is used in the assessment sheets to provide labels
1842: # for the parameters.
1843: my %parameter_labels=
1844: ('timestamp' =>
1845: 'parameter:Timestamp of Last Transaction<br>timestamp',
1846: 'subnumber' =>
1847: 'parameter:Number of Submissions<br>subnumber',
1848: 'tutornumber' =>
1849: 'parameter:Number of Tutor Responses<br>tutornumber',
1850: 'totalpoints' =>
1851: 'parameter:Total Points Granted<br>totalpoints');
1852: #
1853: # assesslist holds the descriptions of all assessments
1854: my %assesslist;
1855: foreach ('Feedback','Evaluation','Tutoring','Discussion') {
1856: my $symb = '_'.lc($_);
1857: $assesslist{$symb} = join(':',('symb',$symb,$uname,$udom,$_));
1858: }
1859: while (($_,undef) = each(%bighash)) {
1860: next if ($_!~/^src\_(\d+)\.(\d+)$/);
1861: my $mapid=$1;
1862: my $resid=$2;
1863: my $id=$mapid.'.'.$resid;
1864: my $srcf=$bighash{$_};
1865: if ($srcf=~/\.(problem|exam|quiz|assess|survey|form)$/) {
1866: my $symb=
1867: &Apache::lonnet::declutter($bighash{'map_id_'.$mapid}).
1868: '___'.$resid.'___'.&Apache::lonnet::declutter($srcf);
1869: $assesslist{$symb}='symb:'.&Apache::lonnet::escape($symb).':'
1870: .$uname.':'.$udom.':'.$bighash{'title_'.$id};
1871: next if ($stype ne 'assesscalc');
1872: foreach my $key (split(/\,/,
1873: &Apache::lonnet::metadata($srcf,'keys')
1874: )) {
1875: next if ($key !~ /^(stores|parameter)_/);
1876: my $display=
1877: &Apache::lonnet::metadata($srcf,$key.'.display');
1878: unless ($display) {
1879: $display.=
1880: &Apache::lonnet::metadata($srcf,$key.'.name');
1881: }
1882: $display.='<br>'.$key;
1883: $parameter_labels{$key}='parameter:'.$display;
1884: } # end of foreach
1885: }
1886: } # end of foreach (keys(%bighash))
1887: untie(%bighash);
1888: #
1889: # %parameter_labels has a list of storage and parameter displays by
1890: # unikey
1891: # %assesslist has a list of all resource, by symb
1892: #
1893: if ($stype eq 'assesscalc') {
1894: $sheet->{'rowlabel'} = \%parameter_labels;
1895: } elsif ($stype eq 'studentcalc') {
1896: $sheet->{'rowlabel'} = \%assesslist;
1897: }
1898: $updatedata{$sheet->{'coursefilename'}.'_'.$stype.'_'
1899: .$uname.'_'.$udom}=
1900: join('___;___',%{$sheet->{'rowlabel'}});
1901: # Get current from cache
1902: }
1903: # Find discrepancies between the course row table and this
1904: #
1905: my %f=&getformulas($sheet);
1906: my $changed=0;
1907:
1908: $sheet->{'maxrow'} = 0;
1909: my %existing=();
1910: # Now obsolete rows
1911: foreach (keys(%f)) {
1912: next if ($_!~/^A(\d+)/);
1913: if ($1 > $sheet->{'maxrow'}) {
1914: $sheet->{'maxrow'} = $1;
1915: }
1916: my ($usy,$ufn)=split(/__&&&\__/,$f{$_});
1917: $existing{$usy}=1;
1918: unless ((exists($sheet->{'rowlabel'}->{$usy}) &&
1919: (defined($sheet->{'rowlabel'}->{$usy})) || (!$1) ||
1920: ($f{$_}=~/^(~~~|---)/))){
1921: $f{$_}='!!! Obsolete';
1922: $changed=1;
1923: } elsif ($ufn) {
1924: $sheet->{'rowlabel'}->{$usy}
1925: =~s/assesscalc\?usymb\=/assesscalc\?ufn\=$ufn\&usymb\=/;
1926: }
1927: }
1928: # New and unknown keys
1929: foreach (keys(%{$sheet->{'rowlabel'}})) {
1930: unless ($existing{$_}) {
1931: $changed=1;
1932: $sheet->{'maxrow'}++;
1933: $f{'A'.$sheet->{'maxrow'}}=$_;
1934: }
1935: }
1936: if ($changed) {
1937: $sheet->{'f'} = \%f;
1938: &setformulas($sheet);
1939: }
1940: #
1941: undef %existing;
1942: }
1943:
1944: # ------------------------------------------------ Load data for one assessment
1945:
1946: sub loadstudent {
1947: my ($sheet)=@_;
1948: my %c=();
1949: my %f=&getformulas($sheet);
1950: $cachedassess=$sheet->{'uname'}.':'.$sheet->{'udom'};
1951: # Get ALL the student preformance data
1952: my @tmp = &Apache::lonnet::dump($sheet->{'cid'},
1953: $sheet->{'udom'},
1954: $sheet->{'uname'},
1955: undef);
1956: if ($tmp[0] !~ /^error:/) {
1957: %cachedstores = @tmp;
1958: }
1959: undef @tmp;
1960: #
1961: my @assessdata=();
1962: foreach (keys(%f)) {
1963: next if ($_!~/^A(\d+)/);
1964: my $row=$1;
1965: next if (($f{$_}=~/^[\!\~\-]/) || ($row==0));
1966: my ($usy,$ufn)=split(/__&&&\__/,$f{$_});
1967: @assessdata=&exportsheet($sheet,$sheet->{'uname'},
1968: $sheet->{'udom'},
1969: 'assesscalc',$usy,$ufn);
1970: my $index=0;
1971: foreach ('A','B','C','D','E','F','G','H','I','J','K','L','M',
1972: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z') {
1973: if ($assessdata[$index]) {
1974: my $col=$_;
1975: if ($assessdata[$index]=~/\D/) {
1976: $c{$col.$row}="'".$assessdata[$index]."'";
1977: } else {
1978: $c{$col.$row}=$assessdata[$index];
1979: }
1980: unless ($col eq 'A') {
1981: $f{$col.$row}='import';
1982: }
1983: }
1984: $index++;
1985: }
1986: }
1987: $cachedassess='';
1988: undef %cachedstores;
1989: $sheet->{'f'} = \%f;
1990: &setformulas($sheet);
1991: &setconstants($sheet,\%c);
1992: }
1993:
1994: # --------------------------------------------------- Load data for one student
1995: #
1996: sub loadcourse {
1997: my ($sheet,$r)=@_;
1998: my %c=();
1999: my %f=&getformulas($sheet);
2000: my $total=0;
2001: foreach (keys(%f)) {
2002: if ($_=~/^A(\d+)/) {
2003: unless ($f{$_}=~/^[\!\~\-]/) { $total++; }
2004: }
2005: }
2006: my $now=0;
2007: my $since=time;
2008: $r->print(<<ENDPOP);
2009: <script>
2010: popwin=open('','popwin','width=400,height=100');
2011: popwin.document.writeln('<html><body bgcolor="#FFFFFF">'+
2012: '<h3>Spreadsheet Calculation Progress</h3>'+
2013: '<form name=popremain>'+
2014: '<input type=text size=35 name=remaining value=Starting></form>'+
2015: '</body></html>');
2016: popwin.document.close();
2017: </script>
2018: ENDPOP
2019: $r->rflush();
2020: foreach (keys(%f)) {
2021: next if ($_!~/^A(\d+)/);
2022: my $row=$1;
2023: next if (($f{$_}=~/^[\!\~\-]/) || ($row==0));
2024: my ($sname,$sdom) = split(':',$f{$_});
2025: my @studentdata=&exportsheet($sheet,$sname,$sdom,'studentcalc');
2026: undef %userrdatas;
2027: $now++;
2028: $r->print('<script>popwin.document.popremain.remaining.value="'.
2029: $now.'/'.$total.': '.int((time-$since)/$now*($total-$now)).
2030: ' secs remaining";</script>');
2031: $r->rflush();
2032: #
2033: my $index=0;
2034: foreach ('A','B','C','D','E','F','G','H','I','J','K','L','M',
2035: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z') {
2036: if (defined($studentdata[$index])) {
2037: my $col=$_;
2038: if ($studentdata[$index]=~/\D/) {
2039: $c{$col.$row}="'".$studentdata[$index]."'";
2040: } else {
2041: $c{$col.$row}=$studentdata[$index];
2042: }
2043: unless ($col eq 'A') {
2044: $f{$col.$row}='import';
2045: }
2046: }
2047: $index++;
2048: }
2049: }
2050: $sheet->{'f'}=\%f;
2051: &setformulas($sheet);
2052: &setconstants($sheet,\%c);
2053: $r->print('<script>popwin.close()</script>');
2054: $r->rflush();
2055: }
2056:
2057: # ------------------------------------------------ Load data for one assessment
2058: #
2059: sub loadassessment {
2060: my ($sheet)=@_;
2061:
2062: my $uhome = $sheet->{'uhome'};
2063: my $uname = $sheet->{'uname'};
2064: my $udom = $sheet->{'udom'};
2065: my $symb = $sheet->{'usymb'};
2066: my $cid = $sheet->{'cid'};
2067: my $cnum = $sheet->{'cnum'};
2068: my $cdom = $sheet->{'cdom'};
2069: my $chome = $sheet->{'chome'};
2070:
2071: my $namespace;
2072: unless ($namespace=$cid) { return ''; }
2073: # Get stored values
2074: my %returnhash=();
2075: if ($cachedassess eq $uname.':'.$udom) {
2076: #
2077: # get data out of the dumped stores
2078: #
2079: my $version=$cachedstores{'version:'.$symb};
2080: my $scope;
2081: for ($scope=1;$scope<=$version;$scope++) {
2082: foreach (split(/\:/,$cachedstores{$scope.':keys:'.$symb})) {
2083: $returnhash{$_}=$cachedstores{$scope.':'.$symb.':'.$_};
2084: }
2085: }
2086: } else {
2087: #
2088: # restore individual
2089: #
2090: %returnhash = &Apache::lonnet::restore($symb,$namespace,$udom,$uname);
2091: for (my $version=1;$version<=$returnhash{'version'};$version++) {
2092: foreach (split(/\:/,$returnhash{$version.':keys'})) {
2093: $returnhash{$_}=$returnhash{$version.':'.$_};
2094: }
2095: }
2096: }
2097: #
2098: # returnhash now has all stores for this resource
2099: # convert all "_" to "." to be able to use libraries, multiparts, etc
2100: #
2101: # This is dumb. It is also necessary :(
2102: my @oldkeys=keys %returnhash;
2103: #
2104: foreach my $name (@oldkeys) {
2105: my $value=$returnhash{$name};
2106: delete $returnhash{$name};
2107: $name=~s/\_/\./g;
2108: $returnhash{$name}=$value;
2109: }
2110: # initialize coursedata and userdata for this user
2111: undef %courseopt;
2112: undef %useropt;
2113:
2114: my $userprefix=$uname.'_'.$udom.'_';
2115:
2116: unless ($uhome eq 'no_host') {
2117: # Get coursedata
2118: unless ((time-$courserdatas{$cid.'.last_cache'})<240) {
2119: my %Tmp = &Apache::lonnet::dump('resourcedata',$cdom,$cnum);
2120: $courserdatas{$cid}=\%Tmp;
2121: $courserdatas{$cid.'.last_cache'}=time;
2122: }
2123: while (my ($name,$value) = each(%{$courserdatas{$cid}})) {
2124: $courseopt{$userprefix.$name}=$value;
2125: }
2126: # Get userdata (if present)
2127: unless ((time-$userrdatas{$uname.'@'.$udom.'.last_cache'})<240) {
2128: my %Tmp = &Apache::lonnet::dump('resourcedata',$udom,$uname);
2129: $userrdatas{$cid} = \%Tmp;
2130: # Most of the time the user does not have a 'resourcedata.db'
2131: # file. We need to cache that we got nothing instead of bothering
2132: # with requesting it every time.
2133: $userrdatas{$uname.'@'.$udom.'.last_cache'}=time;
2134: }
2135: while (my ($name,$value) = each(%{$userrdatas{$cid}})) {
2136: $useropt{$userprefix.$name}=$value;
2137: }
2138: }
2139: # now courseopt, useropt initialized for this user and course
2140: # (used by parmval)
2141: #
2142: # Load keys for this assessment only
2143: #
2144: my %thisassess=();
2145: my ($symap,$syid,$srcf)=split(/\_\_\_/,$symb);
2146: foreach (split(/\,/,&Apache::lonnet::metadata($srcf,'keys'))) {
2147: $thisassess{$_}=1;
2148: }
2149: #
2150: # Load parameters
2151: #
2152: my %c=();
2153: if (tie(%parmhash,'GDBM_File',
2154: $sheet->{'coursefilename'}.'_parms.db',&GDBM_READER(),0640)) {
2155: my %f=&getformulas($sheet);
2156: foreach my $cell (keys(%f)) {
2157: next if ($cell !~ /^A/);
2158: next if ($f{$cell} =~/^[\!\~\-]/);
2159: if ($f{$cell}=~/^parameter/) {
2160: if (defined($thisassess{$f{$cell}})) {
2161: my $val = &parmval($f{$cell},$sheet);
2162: $c{$cell} = $val;
2163: $c{$f{$cell}} = $val;
2164: }
2165: } else {
2166: my $key=$f{$cell};
2167: my $ckey=$key;
2168: $key=~s/^stores\_/resource\./;
2169: $key=~s/\_/\./g;
2170: $c{$cell}=$returnhash{$key};
2171: $c{$ckey}=$returnhash{$key};
2172: }
2173: }
2174: untie(%parmhash);
2175: }
2176: &setconstants($sheet,\%c);
2177: }
2178:
2179: # --------------------------------------------------------- Various form fields
2180:
2181: sub textfield {
2182: my ($title,$name,$value)=@_;
2183: return "\n<p><b>$title:</b><br>".
2184: '<input type=text name="'.$name.'" size=80 value="'.$value.'">';
2185: }
2186:
2187: sub hiddenfield {
2188: my ($name,$value)=@_;
2189: return "\n".'<input type=hidden name="'.$name.'" value="'.$value.'">';
2190: }
2191:
2192: sub selectbox {
2193: my ($title,$name,$value,%options)=@_;
2194: my $selout="\n<p><b>$title:</b><br>".'<select name="'.$name.'">';
2195: foreach (sort keys(%options)) {
2196: $selout.='<option value="'.$_.'"';
2197: if ($_ eq $value) { $selout.=' selected'; }
2198: $selout.='>'.$options{$_}.'</option>';
2199: }
2200: return $selout.'</select>';
2201: }
2202:
2203: # =============================================== Update information in a sheet
2204: #
2205: # Add new users or assessments, etc.
2206: #
2207:
2208: sub updatesheet {
2209: my ($sheet)=@_;
2210: my $stype=$sheet->{'sheettype'};
2211: if ($stype eq 'classcalc') {
2212: return &updateclasssheet($sheet);
2213: } else {
2214: return &updatestudentassesssheet($sheet);
2215: }
2216: }
2217:
2218: # =================================================== Load the rows for a sheet
2219: #
2220: # Import the data for rows
2221: #
2222:
2223: sub loadrows {
2224: my ($sheet,$r)=@_;
2225: my $stype=$sheet->{'sheettype'};
2226: if ($stype eq 'classcalc') {
2227: &loadcourse($sheet,$r);
2228: } elsif ($stype eq 'studentcalc') {
2229: &loadstudent($sheet);
2230: } else {
2231: &loadassessment($sheet);
2232: }
2233: }
2234:
2235: # ======================================================= Forced recalculation?
2236:
2237: sub checkthis {
2238: my ($keyname,$time)=@_;
2239: return ($time<$expiredates{$keyname});
2240: }
2241:
2242: sub forcedrecalc {
2243: my ($uname,$udom,$stype,$usymb)=@_;
2244: my $key=$uname.':'.$udom.':'.$stype.':'.$usymb;
2245: my $time=$oldsheets{$key.'.time'};
2246: if ($ENV{'form.forcerecalc'}) { return 1; }
2247: unless ($time) { return 1; }
2248: if ($stype eq 'assesscalc') {
2249: my $map=(split(/___/,$usymb))[0];
2250: if (&checkthis('::assesscalc:',$time) ||
2251: &checkthis('::assesscalc:'.$map,$time) ||
2252: &checkthis('::assesscalc:'.$usymb,$time) ||
2253: &checkthis($uname.':'.$udom.':assesscalc:',$time) ||
2254: &checkthis($uname.':'.$udom.':assesscalc:'.$map,$time) ||
2255: &checkthis($uname.':'.$udom.':assesscalc:'.$usymb,$time)) {
2256: return 1;
2257: }
2258: } else {
2259: if (&checkthis('::studentcalc:',$time) ||
2260: &checkthis($uname.':'.$udom.':studentcalc:',$time)) {
2261: return 1;
2262: }
2263: }
2264: return 0;
2265: }
2266:
2267: # ============================================================== Export handler
2268: # exportsheet
2269: # returns the export row for a spreadsheet.
2270: #
2271: sub exportsheet {
2272: my ($sheet,$uname,$udom,$stype,$usymb,$fn)=@_;
2273: $uname = $uname || $sheet->{'uname'};
2274: $udom = $udom || $sheet->{'udom'};
2275: $stype = $stype || $sheet->{'sheettype'};
2276: my @exportarr=();
2277: if (defined($usymb) && ($usymb=~/^\_(\w+)/) &&
2278: (!defined($fn) || $fn eq '')) {
2279: $fn='default_'.$1;
2280: }
2281: #
2282: # Check if cached
2283: #
2284: my $key=$uname.':'.$udom.':'.$stype.':'.$usymb;
2285: my $found='';
2286: if ($oldsheets{$key}) {
2287: foreach (split(/___&\___/,$oldsheets{$key})) {
2288: my ($name,$value)=split(/___=___/,$_);
2289: if ($name eq $fn) {
2290: $found=$value;
2291: }
2292: }
2293: }
2294: unless ($found) {
2295: &cachedssheets($sheet,$uname,$udom);
2296: if ($oldsheets{$key}) {
2297: foreach (split(/___&\___/,$oldsheets{$key})) {
2298: my ($name,$value)=split(/___=___/,$_);
2299: if ($name eq $fn) {
2300: $found=$value;
2301: }
2302: }
2303: }
2304: }
2305: #
2306: # Check if still valid
2307: #
2308: if ($found) {
2309: if (&forcedrecalc($uname,$udom,$stype,$usymb)) {
2310: $found='';
2311: }
2312: }
2313: if ($found) {
2314: #
2315: # Return what was cached
2316: #
2317: @exportarr=split(/___;___/,$found);
2318: return @exportarr;
2319: }
2320: #
2321: # Not cached
2322: #
2323: my ($newsheet)=&makenewsheet($uname,$udom,$stype,$usymb);
2324: &readsheet($newsheet,$fn);
2325: &updatesheet($newsheet);
2326: &loadrows($newsheet);
2327: &calcsheet($newsheet);
2328: @exportarr=&exportdata($newsheet);
2329: ##
2330: ## Store now
2331: ##
2332: #
2333: # load in the old value
2334: #
2335: my %currentlystored=();
2336: if ($stype eq 'studentcalc') {
2337: my @tmp = &Apache::lonnet::get('nohist_calculatedsheets',
2338: [$key],
2339: $sheet->{'cdom'},$sheet->{'cnum'});
2340: if ($tmp[0]!~/^error/) {
2341: %currentlystored = @tmp;
2342: }
2343: } else {
2344: my @tmp = &Apache::lonnet::get('nohist_calculatedsheets_'.
2345: $sheet->{'cid'},[$key],
2346: $sheet->{'udom'},$sheet->{'uname'});
2347: if ($tmp[0]!~/^error/) {
2348: %currentlystored = @tmp;
2349: }
2350: }
2351: #
2352: # Add the new line
2353: #
2354: $currentlystored{$fn}=join('___;___',@exportarr);
2355: #
2356: # Stick everything back together
2357: #
2358: my $newstore='';
2359: foreach (keys(%currentlystored)) {
2360: if ($newstore) { $newstore.='___&___'; }
2361: $newstore.=$_.'___=___'.$currentlystored{$_};
2362: }
2363: my $now=time;
2364: #
2365: # Store away the new value
2366: #
2367: if ($stype eq 'studentcalc') {
2368: &Apache::lonnet::put('nohist_calculatedsheets',
2369: { $key => $newstore,
2370: $key.time => $now },
2371: $sheet->{'cdom'},$sheet->{'cnum'});
2372: } else {
2373: &Apache::lonnet::put('nohist_calculatedsheets_'.$sheet->{'cid'},
2374: { $key => $newstore,
2375: $key.time => $now },
2376: $sheet->{'udom'},
2377: $sheet->{'uname'})
2378: }
2379: return @exportarr;
2380: }
2381:
2382: # ============================================================ Expiration Dates
2383: #
2384: # Load previously cached student spreadsheets for this course
2385: #
2386: sub expirationdates {
2387: undef %expiredates;
2388: my $cid=$ENV{'request.course.id'};
2389: my @tmp = &Apache::lonnet::dump('nohist_expirationdates',
2390: $ENV{'course.'.$cid.'.domain'},
2391: $ENV{'course.'.$cid.'.num'});
2392: if (lc($tmp[0])!~/^error/){
2393: %expiredates = @tmp;
2394: }
2395: }
2396:
2397: # ===================================================== Calculated sheets cache
2398: #
2399: # Load previously cached student spreadsheets for this course
2400: #
2401:
2402: sub cachedcsheets {
2403: my $cid=$ENV{'request.course.id'};
2404: my @tmp = &Apache::lonnet::dump('nohist_calculatedsheets',
2405: $ENV{'course.'.$cid.'.domain'},
2406: $ENV{'course.'.$cid.'.num'});
2407: if ($tmp[0] !~ /^error/) {
2408: my %StupidTempHash = @tmp;
2409: while (my ($key,$value) = each %StupidTempHash) {
2410: $oldsheets{$key} = $value;
2411: }
2412: }
2413: }
2414:
2415: # ===================================================== Calculated sheets cache
2416: #
2417: # Load previously cached assessment spreadsheets for this student
2418: #
2419:
2420: sub cachedssheets {
2421: my ($sheet,$uname,$udom) = @_;
2422: $uname = $uname || $sheet->{'uname'};
2423: $udom = $udom || $sheet->{'udom'};
2424: if (! $loadedcaches{$sheet->{'uname'}.'_'.$sheet->{'udom'}}) {
2425: my @tmp = &Apache::lonnet::dump('nohist_calculatedsheets',
2426: $sheet->{'udom'},
2427: $sheet->{'uname'});
2428: if ($tmp[0] !~ /^error/) {
2429: my %StupidTempHash = @tmp;
2430: while (my ($key,$value) = each %StupidTempHash) {
2431: $oldsheets{$key} = $value;
2432: }
2433: $loadedcaches{$sheet->{'uname'}.'_'.$sheet->{'udom'}}=1;
2434: }
2435: }
2436: }
2437:
2438: # ===================================================== Calculated sheets cache
2439: #
2440: # Load previously cached assessment spreadsheets for this student
2441: #
2442:
2443: # ================================================================ Main handler
2444: #
2445: # Interactive call to screen
2446: #
2447: #
2448: sub handler {
2449: my $r=shift;
2450:
2451: if (! exists($ENV{'form.Status'})) {
2452: $ENV{'form.Status'} = 'Active';
2453: }
2454: # Check this server
2455: my $loaderror=&Apache::lonnet::overloaderror($r);
2456: if ($loaderror) { return $loaderror; }
2457: # Check the course homeserver
2458: $loaderror= &Apache::lonnet::overloaderror($r,
2459: $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
2460: if ($loaderror) { return $loaderror; }
2461:
2462: if ($r->header_only) {
2463: $r->content_type('text/html');
2464: $r->send_http_header;
2465: return OK;
2466: }
2467: # Global directory configs
2468: $includedir = $r->dir_config('lonIncludes');
2469: $tmpdir = $r->dir_config('lonDaemons').'/tmp/';
2470: # Needs to be in a course
2471: if (! $ENV{'request.course.fn'}) {
2472: # Not in a course, or not allowed to modify parms
2473: $ENV{'user.error.msg'}=
2474: $r->uri.":opa:0:0:Cannot modify spreadsheet";
2475: return HTTP_NOT_ACCEPTABLE;
2476: }
2477: # Get query string for limited number of parameters
2478: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
2479: ['uname','udom','usymb','ufn']);
2480: if ($ENV{'request.role'} =~ /^st\./) {
2481: delete $ENV{'form.unewfield'} if (exists($ENV{'form.unewfield'}));
2482: delete $ENV{'form.unewformula'} if (exists($ENV{'form.unewformula'}));
2483: }
2484: if (($ENV{'form.usymb'}=~/^\_(\w+)/) && (!$ENV{'form.ufn'})) {
2485: $ENV{'form.ufn'}='default_'.$1;
2486: }
2487: # Interactive loading of specific sheet?
2488: if (($ENV{'form.load'}) && ($ENV{'form.loadthissheet'} ne 'Default')) {
2489: $ENV{'form.ufn'}=$ENV{'form.loadthissheet'};
2490: }
2491: #
2492: # Determine the user name and domain for the sheet.
2493: my $aname;
2494: my $adom;
2495: unless ($ENV{'form.uname'}) {
2496: $aname=$ENV{'user.name'};
2497: $adom=$ENV{'user.domain'};
2498: } else {
2499: $aname=$ENV{'form.uname'};
2500: $adom=$ENV{'form.udom'};
2501: }
2502: #
2503: # Open page
2504: $r->content_type('text/html');
2505: $r->header_out('Cache-control','no-cache');
2506: $r->header_out('Pragma','no-cache');
2507: $r->send_http_header;
2508: # Screen output
2509: $r->print('<html><head><title>LON-CAPA Spreadsheet</title>');
2510: if ($ENV{'request.role'} !~ /^st\./) {
2511: $r->print(<<ENDSCRIPT);
2512: <script language="JavaScript">
2513:
2514: function celledit(cn,cf) {
2515: var cnf=prompt(cn,cf);
2516: if (cnf!=null) {
2517: document.sheet.unewfield.value=cn;
2518: document.sheet.unewformula.value=cnf;
2519: document.sheet.submit();
2520: }
2521: }
2522:
2523: function changesheet(cn) {
2524: document.sheet.unewfield.value=cn;
2525: document.sheet.unewformula.value='changesheet';
2526: document.sheet.submit();
2527: }
2528:
2529: function insertrow(cn) {
2530: document.sheet.unewfield.value='insertrow';
2531: document.sheet.unewformula.value=cn;
2532: document.sheet.submit();
2533: }
2534:
2535: </script>
2536: ENDSCRIPT
2537: }
2538: $r->print('</head>'.&Apache::loncommon::bodytag('Grades Spreadsheet').
2539: '<form action="'.$r->uri.'" name=sheet method=post>');
2540: $r->print(&hiddenfield('uname',$ENV{'form.uname'}).
2541: &hiddenfield('udom',$ENV{'form.udom'}).
2542: &hiddenfield('usymb',$ENV{'form.usymb'}).
2543: &hiddenfield('unewfield','').
2544: &hiddenfield('unewformula',''));
2545: $r->rflush();
2546: #
2547: # Full recalc?
2548: if ($ENV{'form.forcerecalc'}) {
2549: $r->print('<h4>Completely Recalculating Sheet ...</h4>');
2550: undef %spreadsheets;
2551: undef %courserdatas;
2552: undef %userrdatas;
2553: undef %defaultsheets;
2554: undef %updatedata;
2555: }
2556: # Read new sheet or modified worksheet
2557: $r->uri=~/\/(\w+)$/;
2558: my ($sheet)=&makenewsheet($aname,$adom,$1,$ENV{'form.usymb'});
2559: #
2560: # If a new formula had been entered, go from work copy
2561: if ($ENV{'form.unewfield'}) {
2562: $r->print('<h2>Modified Workcopy</h2>');
2563: $ENV{'form.unewformula'}=~s/\'/\"/g;
2564: $r->print('<p>New formula: '.$ENV{'form.unewfield'}.'='.
2565: $ENV{'form.unewformula'}.'<p>');
2566: $sheet->{'filename'} = $ENV{'form.ufn'};
2567: &tmpread($sheet,$ENV{'form.unewfield'},$ENV{'form.unewformula'});
2568: } elsif ($ENV{'form.saveas'}) {
2569: $sheet->{'filename'} = $ENV{'form.ufn'};
2570: &tmpread($sheet);
2571: } else {
2572: &readsheet($sheet,$ENV{'form.ufn'});
2573: }
2574: # Print out user information
2575: if ($sheet->{'sheettype'} ne 'classcalc') {
2576: $r->print('<p><b>User:</b> '.$sheet->{'uname'}.
2577: '<br><b>Domain:</b> '.$sheet->{'udom'});
2578: $r->print('<br><b>Section/Group:</b> '.$sheet->{'csec'});
2579: if ($ENV{'form.usymb'}) {
2580: $r->print('<br><b>Assessment:</b> <tt>'.
2581: $ENV{'form.usymb'}.'</tt>');
2582: }
2583: }
2584: #
2585: # Check user permissions
2586: if (($sheet->{'sheettype'} eq 'classcalc' ) ||
2587: ($sheet->{'uname'} ne $ENV{'user.name'} ) ||
2588: ($sheet->{'udom'} ne $ENV{'user.domain'})) {
2589: unless (&Apache::lonnet::allowed('vgr',$sheet->{'cid'})) {
2590: $r->print('<h1>Access Permission Denied</h1>'.
2591: '</form></body></html>');
2592: return OK;
2593: }
2594: }
2595: # Additional options
2596: $r->print('<br />'.
2597: '<input type="submit" name="forcerecalc" '.
2598: 'value="Completely Recalculate Sheet"><p>');
2599: if ($sheet->{'sheettype'} eq 'assesscalc') {
2600: $r->print('<p><font size=+2>'.
2601: '<a href="/adm/studentcalc?'.
2602: 'uname='.$sheet->{'uname'}.
2603: '&udom='.$sheet->{'udom'}.'">'.
2604: 'Level up: Student Sheet</a></font><p>');
2605: }
2606: if (($sheet->{'sheettype'} eq 'studentcalc') &&
2607: (&Apache::lonnet::allowed('vgr',$sheet->{'cid'}))) {
2608: $r->print ('<p><font size=+2><a href="/adm/classcalc">'.
2609: 'Level up: Course Sheet</a></font><p>');
2610: }
2611: # Save dialog
2612: if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
2613: my $fname=$ENV{'form.ufn'};
2614: $fname=~s/\_[^\_]+$//;
2615: if ($fname eq 'default') { $fname='course_default'; }
2616: $r->print('<input type=submit name=saveas value="Save as ...">'.
2617: '<input type=text size=20 name=newfn value="'.$fname.'">'.
2618: 'make default: <input type=checkbox name="makedefufn"><p>');
2619: }
2620: $r->print(&hiddenfield('ufn',$sheet->{'filename'}));
2621: # Load dialog
2622: if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
2623: $r->print('<p><input type=submit name=load value="Load ...">'.
2624: '<select name="loadthissheet">'.
2625: '<option name="default">Default</option>');
2626: foreach (&othersheets($sheet)) {
2627: $r->print('<option name="'.$_.'"');
2628: if ($ENV{'form.ufn'} eq $_) {
2629: $r->print(' selected');
2630: }
2631: $r->print('>'.$_.'</option>');
2632: }
2633: $r->print('</select><p>');
2634: if ($sheet->{'sheettype'} eq 'studentcalc') {
2635: &setothersheets($sheet,
2636: &othersheets($sheet,'assesscalc'));
2637: }
2638: }
2639: # Cached sheets
2640: &expirationdates();
2641: undef %oldsheets;
2642: undef %loadedcaches;
2643: if ($sheet->{'sheettype'} eq 'classcalc') {
2644: $r->print("Loading previously calculated student sheets ...\n");
2645: $r->rflush();
2646: &cachedcsheets();
2647: } elsif ($sheet->{'sheettype'} eq 'studentcalc') {
2648: $r->print("Loading previously calculated assessment sheets ...\n");
2649: $r->rflush();
2650: &cachedssheets($sheet);
2651: }
2652: # Update sheet, load rows
2653: $r->print("Loaded sheet(s), updating rows ...<br>\n");
2654: $r->rflush();
2655: #
2656: &updatesheet($sheet);
2657: $r->print("Updated rows, loading row data ...\n");
2658: $r->rflush();
2659: #
2660: &loadrows($sheet,$r);
2661: $r->print("Loaded row data, calculating sheet ...<br>\n");
2662: $r->rflush();
2663: #
2664: my $calcoutput=&calcsheet($sheet);
2665: $r->print('<h3><font color=red>'.$calcoutput.'</h3></font>');
2666: # See if something to save
2667: if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
2668: my $fname='';
2669: if ($ENV{'form.saveas'} && ($fname=$ENV{'form.newfn'})) {
2670: $fname=~s/\W/\_/g;
2671: if ($fname eq 'default') { $fname='course_default'; }
2672: $fname.='_'.$sheet->{'sheettype'};
2673: $sheet->{'filename'} = $fname;
2674: $ENV{'form.ufn'}=$fname;
2675: $r->print('<p>Saving spreadsheet: '.
2676: &writesheet($sheet,$ENV{'form.makedefufn'}).
2677: '<p>');
2678: }
2679: }
2680: #
2681: # Write the modified worksheet
2682: $r->print('<b>Current sheet:</b> '.$sheet->{'filename'}.'<p>');
2683: &tmpwrite($sheet);
2684: if ($sheet->{'sheettype'} eq 'studentcalc') {
2685: $r->print('<br>Show rows with empty A column: ');
2686: } else {
2687: $r->print('<br>Show empty rows: ');
2688: }
2689: #
2690: $r->print(&hiddenfield('userselhidden','true').
2691: '<input type="checkbox" name="showall" onClick="submit()"');
2692: #
2693: if ($ENV{'form.showall'}) {
2694: $r->print(' checked');
2695: } else {
2696: unless ($ENV{'form.userselhidden'}) {
2697: unless
2698: ($ENV{'course.'.$sheet->{'cid'}.'.hideemptyrows'} eq 'yes') {
2699: $r->print(' checked');
2700: $ENV{'form.showall'}=1;
2701: }
2702: }
2703: }
2704: $r->print('>');
2705: #
2706: # CSV format checkbox (classcalc sheets only)
2707: $r->print(' Output CSV format: <input type="checkbox" '.
2708: 'name="showcsv" onClick="submit()"');
2709: $r->print(' checked') if ($ENV{'form.showcsv'});
2710: $r->print('>');
2711: if ($sheet->{'sheettype'} eq 'classcalc') {
2712: $r->print(' Student Status: '.
2713: &Apache::lonhtmlcommon::StatusOptions
2714: ($ENV{'form.Status'},'sheet'));
2715: }
2716: #
2717: # Buttons to insert rows
2718: $r->print(<<ENDINSERTBUTTONS);
2719: <br>
2720: <input type='button' onClick='insertrow("top");'
2721: value='Insert Row Top'>
2722: <input type='button' onClick='insertrow("bottom");'
2723: value='Insert Row Bottom'><br>
2724: ENDINSERTBUTTONS
2725: # Print out sheet
2726: &outsheet($r,$sheet);
2727: $r->print('</form></body></html>');
2728: # Done
2729: return OK;
2730: }
2731:
2732: 1;
2733: __END__
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to lonspreadsheet.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / interface