Annotation of loncom/interface/lonspreadsheet.pm, revision 1.152
1.79 matthew 1: #
1.152 ! matthew 2: # $Id: lonspreadsheet.pm,v 1.151 2002/12/02 16:39:30 matthew 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: #
1.80 matthew 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
1.1 www 52:
53: package Apache::lonspreadsheet;
1.36 www 54:
1.1 www 55: use strict;
1.140 matthew 56: use Apache::Constants qw(:common :http);
57: use Apache::lonnet;
58: use Apache::lonhtmlcommon;
59: use Apache::loncoursedata;
60: use Apache::File();
1.1 www 61: use Safe;
1.3 www 62: use Safe::Hole;
1.1 www 63: use Opcode;
1.19 www 64: use GDBM_File;
1.152 ! matthew 65: use HTML::Entities();
1.3 www 66: use HTML::TokeParser;
1.134 matthew 67: use Spreadsheet::WriteExcel;
1.136 matthew 68:
1.11 www 69: #
1.113 matthew 70: # Caches for coursewide information
71: #
72: my %Section;
73:
74: #
1.44 www 75: # Caches for previously calculated spreadsheets
76: #
77:
78: my %oldsheets;
1.46 www 79: my %loadedcaches;
1.47 www 80: my %expiredates;
1.44 www 81:
82: #
1.39 www 83: # Cache for stores of an individual user
84: #
85:
86: my $cachedassess;
87: my %cachedstores;
88:
89: #
1.11 www 90: # These cache hashes need to be independent of user, resource and course
1.27 www 91: # (user and course can/should be in the keys)
1.11 www 92: #
1.33 www 93:
94: my %spreadsheets;
95: my %courserdatas;
96: my %userrdatas;
97: my %defaultsheets;
1.136 matthew 98: my %rowlabel_cache;
1.27 www 99:
1.11 www 100: #
101: # These global hashes are dependent on user, course and resource,
102: # and need to be initialized every time when a sheet is calculated
103: #
104: my %courseopt;
105: my %useropt;
106: my %parmhash;
107:
1.95 www 108: #
109: # Some hashes for stats on timing and performance
110: #
111:
112: my %starttimes;
113: my %usedtimes;
1.96 www 114: my %numbertimes;
1.95 www 115:
1.28 www 116: # Stuff that only the screen handler can know
117:
118: my $includedir;
119: my $tmpdir;
120:
1.5 www 121: # =============================================================================
122: # ===================================== Implements an instance of a spreadsheet
1.4 www 123:
1.118 matthew 124: ##
125: ## mask - used to reside in the safe space.
126: ##
1.1 www 127: sub mask {
128: my ($lower,$upper)=@_;
1.132 matthew 129: $upper = $lower if (! defined($upper));
1.125 matthew 130: #
131: my ($la,$ld) = ($lower=~/([A-Za-z]|\*)(\d+|\*)/);
132: my ($ua,$ud) = ($upper=~/([A-Za-z]|\*)(\d+|\*)/);
133: #
1.1 www 134: my $alpha='';
135: my $num='';
1.125 matthew 136: #
1.1 www 137: if (($la eq '*') || ($ua eq '*')) {
1.132 matthew 138: $alpha='[A-Za-z]';
1.1 www 139: } else {
1.7 www 140: if (($la=~/[A-Z]/) && ($ua=~/[A-Z]/) ||
141: ($la=~/[a-z]/) && ($ua=~/[a-z]/)) {
142: $alpha='['.$la.'-'.$ua.']';
143: } else {
144: $alpha='['.$la.'-Za-'.$ua.']';
145: }
1.1 www 146: }
147: if (($ld eq '*') || ($ud eq '*')) {
148: $num='\d+';
149: } else {
150: if (length($ld)!=length($ud)) {
151: $num.='(';
1.78 matthew 152: foreach ($ld=~m/\d/g) {
1.1 www 153: $num.='['.$_.'-9]';
1.78 matthew 154: }
1.1 www 155: if (length($ud)-length($ld)>1) {
156: $num.='|\d{'.(length($ld)+1).','.(length($ud)-1).'}';
157: }
158: $num.='|';
1.78 matthew 159: foreach ($ud=~m/\d/g) {
1.1 www 160: $num.='[0-'.$_.']';
1.78 matthew 161: }
1.1 www 162: $num.=')';
163: } else {
164: my @lda=($ld=~m/\d/g);
165: my @uda=($ud=~m/\d/g);
1.118 matthew 166: my $i;
167: my $j=0;
168: my $notdone=1;
1.7 www 169: for ($i=0;($i<=$#lda)&&($notdone);$i++) {
1.1 www 170: if ($lda[$i]==$uda[$i]) {
171: $num.=$lda[$i];
172: $j=$i;
1.7 www 173: } else {
174: $notdone=0;
1.1 www 175: }
176: }
177: if ($j<$#lda-1) {
178: $num.='('.$lda[$j+1];
179: for ($i=$j+2;$i<=$#lda;$i++) {
180: $num.='['.$lda[$i].'-9]';
181: }
182: if ($uda[$j+1]-$lda[$j+1]>1) {
183: $num.='|['.($lda[$j+1]+1).'-'.($uda[$j+1]-1).']\d{'.
184: ($#lda-$j-1).'}';
185: }
186: $num.='|'.$uda[$j+1];
187: for ($i=$j+2;$i<=$#uda;$i++) {
188: $num.='[0-'.$uda[$i].']';
189: }
190: $num.=')';
191: } else {
1.125 matthew 192: if ($lda[-1]!=$uda[-1]) {
193: $num.='['.$lda[-1].'-'.$uda[-1].']';
1.7 www 194: }
1.1 www 195: }
196: }
197: }
1.4 www 198: return '^'.$alpha.$num."\$";
1.80 matthew 199: }
200:
1.118 matthew 201: sub initsheet {
202: my $safeeval = new Safe(shift);
203: my $safehole = new Safe::Hole;
204: $safeeval->permit("entereval");
205: $safeeval->permit(":base_math");
206: $safeeval->permit("sort");
207: $safeeval->deny(":base_io");
208: $safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&EXT');
209: $safehole->wrap(\&Apache::lonspreadsheet::mask,$safeeval,'&mask');
210: $safeeval->share('$@');
211: my $code=<<'ENDDEFS';
212: # ---------------------------------------------------- Inside of the safe space
213:
214: #
215: # f: formulas
216: # t: intermediate format (variable references expanded)
217: # v: output values
218: # c: preloaded constants (A-column)
219: # rl: row label
220: # os: other spreadsheets (for student spreadsheet only)
221:
1.119 matthew 222: undef %sheet_values; # Holds the (computed, final) values for the sheet
223: # This is only written to by &calc, the spreadsheet computation routine.
224: # It is read by many functions
225: undef %t; # Holds the values of the spreadsheet temporarily. Set in &sett,
226: # which does the translation of strings like C5 into the value in C5.
227: # Used in &calc - %t holds the values that are actually eval'd.
228: undef %f; # Holds the formulas for each cell. This is the users
229: # (spreadsheet authors) data for each cell.
230: # set by &setformulas and returned by &getformulas
231: # &setformulas is called by &readsheet, &tmpread, &updateclasssheet,
232: # &updatestudentassesssheet, &loadstudent, &loadcourse
233: # &getformulas is called by &writesheet, &tmpwrite, &updateclasssheet,
234: # &updatestudentassesssheet, &loadstudent, &loadcourse, &loadassessment,
235: undef %c; # Holds the constants for a sheet. In the assessment
236: # sheets, this is the A column. Used in &MINPARM, &MAXPARM, &expandnamed,
237: # &sett, and &setconstants. There is no &getconstants.
238: # &setconstants is called by &loadstudent, &loadcourse, &load assessment,
239: undef @os; # Holds the names of other spreadsheets - this is used to specify
240: # the spreadsheets that are available for the assessment sheet.
241: # Set by &setothersheets. &setothersheets is called by &handler. A
242: # related subroutine is &othersheets.
1.132 matthew 243: #$errorlog = '';
1.118 matthew 244:
245: $maxrow = 0;
246: $sheettype = '';
247:
248: # filename/reference of the sheet
249: $filename = '';
250:
251: # user data
252: $uname = '';
253: $uhome = '';
254: $udom = '';
255:
256: # course data
257:
258: $csec = '';
259: $chome= '';
260: $cnum = '';
261: $cdom = '';
262: $cid = '';
263: $coursefilename = '';
264:
265: # symb
266:
267: $usymb = '';
268:
269: # error messages
270: $errormsg = '';
271:
272:
1.80 matthew 273: #-------------------------------------------------------
274:
275: =item UWCALC(hashname,modules,units,date)
276:
277: returns the proportion of the module
278: weights not previously completed by the student.
279:
280: =over 4
281:
282: =item hashname
283:
284: name of the hash the module dates have been inserted into
285:
286: =item modules
287:
288: reference to a cell which contains a comma deliminated list of modules
289: covered by the assignment.
290:
291: =item units
292:
293: reference to a cell which contains a comma deliminated list of module
294: weights with respect to the assignment
295:
296: =item date
297:
298: reference to a cell which contains the date the assignment was completed.
299:
300: =back
301:
302: =cut
303:
304: #-------------------------------------------------------
305: sub UWCALC {
306: my ($hashname,$modules,$units,$date) = @_;
307: my @Modules = split(/,/,$modules);
308: my @Units = split(/,/,$units);
309: my $total_weight;
310: foreach (@Units) {
311: $total_weight += $_;
312: }
313: my $usum=0;
314: for (my $i=0; $i<=$#Modules; $i++) {
315: if (&HASH($hashname,$Modules[$i]) eq $date) {
316: $usum += $Units[$i];
317: }
318: }
319: return $usum/$total_weight;
320: }
321:
322: #-------------------------------------------------------
323:
324: =item CDLSUM(list)
325:
326: returns the sum of the elements in a cell which contains
327: a Comma Deliminate List of numerical values.
328: 'list' is a reference to a cell which contains a comma deliminated list.
329:
330: =cut
331:
332: #-------------------------------------------------------
333: sub CDLSUM {
334: my ($list)=@_;
335: my $sum;
336: foreach (split/,/,$list) {
337: $sum += $_;
338: }
339: return $sum;
340: }
341:
342: #-------------------------------------------------------
343:
344: =item CDLITEM(list,index)
345:
346: returns the item at 'index' in a Comma Deliminated List.
347:
348: =over 4
349:
350: =item list
351:
352: reference to a cell which contains a comma deliminated list.
353:
354: =item index
355:
356: the Perl index of the item requested (first element in list has
357: an index of 0)
358:
359: =back
360:
361: =cut
362:
363: #-------------------------------------------------------
364: sub CDLITEM {
365: my ($list,$index)=@_;
366: my @Temp = split/,/,$list;
367: return $Temp[$index];
368: }
369:
370: #-------------------------------------------------------
371:
372: =item CDLHASH(name,key,value)
373:
374: loads a comma deliminated list of keys into
375: the hash 'name', all with a value of 'value'.
376:
377: =over 4
378:
379: =item name
380:
381: name of the hash.
382:
383: =item key
384:
385: (a pointer to) a comma deliminated list of keys.
386:
387: =item value
388:
389: a single value to be entered for each key.
390:
391: =back
392:
393: =cut
394:
395: #-------------------------------------------------------
396: sub CDLHASH {
397: my ($name,$key,$value)=@_;
398: my @Keys;
399: my @Values;
400: # Check to see if we have multiple $key values
401: if ($key =~ /[A-z](\-[A-z])?\d+(\-\d+)?/) {
402: my $keymask = &mask($key);
403: # Assume the keys are addresses
1.104 matthew 404: my @Temp = grep /$keymask/,keys(%sheet_values);
405: @Keys = $sheet_values{@Temp};
1.80 matthew 406: } else {
407: $Keys[0]= $key;
408: }
409: my @Temp;
410: foreach $key (@Keys) {
411: @Temp = (@Temp, split/,/,$key);
412: }
413: @Keys = @Temp;
414: if ($value =~ /[A-z](\-[A-z])?\d+(\-\d+)?/) {
415: my $valmask = &mask($value);
1.104 matthew 416: my @Temp = grep /$valmask/,keys(%sheet_values);
417: @Values =$sheet_values{@Temp};
1.80 matthew 418: } else {
419: $Values[0]= $value;
420: }
421: $value = $Values[0];
422: # Add values to hash
423: for (my $i = 0; $i<=$#Keys; $i++) {
424: my $key = $Keys[$i];
425: if (! exists ($hashes{$name}->{$key})) {
426: $hashes{$name}->{$key}->[0]=$value;
427: } else {
428: my @Temp = sort(@{$hashes{$name}->{$key}},$value);
429: $hashes{$name}->{$key} = \@Temp;
430: }
431: }
432: return "hash '$name' updated";
433: }
434:
435: #-------------------------------------------------------
436:
437: =item GETHASH(name,key,index)
438:
439: returns the element in hash 'name'
440: reference by the key 'key', at index 'index' in the values list.
441:
442: =cut
443:
444: #-------------------------------------------------------
445: sub GETHASH {
446: my ($name,$key,$index)=@_;
447: if (! defined($index)) {
448: $index = 0;
449: }
450: if ($key =~ /^[A-z]\d+$/) {
1.104 matthew 451: $key = $sheet_values{$key};
1.80 matthew 452: }
453: return $hashes{$name}->{$key}->[$index];
454: }
455:
456: #-------------------------------------------------------
457:
458: =item CLEARHASH(name)
459:
460: clears all the values from the hash 'name'
461:
462: =item CLEARHASH(name,key)
463:
464: clears all the values from the hash 'name' associated with the given key.
465:
466: =cut
467:
468: #-------------------------------------------------------
469: sub CLEARHASH {
470: my ($name,$key)=@_;
471: if (defined($key)) {
472: if (exists($hashes{$name}->{$key})) {
473: $hashes{$name}->{$key}=undef;
474: return "hash '$name' key '$key' cleared";
475: }
476: } else {
477: if (exists($hashes{$name})) {
478: $hashes{$name}=undef;
479: return "hash '$name' cleared";
480: }
481: }
482: return "Error in clearing hash";
483: }
484:
485: #-------------------------------------------------------
486:
487: =item HASH(name,key,value)
488:
489: loads values into an internal hash. If a key
490: already has a value associated with it, the values are sorted numerically.
491:
492: =item HASH(name,key)
493:
494: returns the 0th value in the hash 'name' associated with 'key'.
495:
496: =cut
497:
498: #-------------------------------------------------------
499: sub HASH {
500: my ($name,$key,$value)=@_;
501: my @Keys;
502: undef @Keys;
503: my @Values;
504: # Check to see if we have multiple $key values
505: if ($key =~ /[A-z](\-[A-z])?\d+(\-\d+)?/) {
506: my $keymask = &mask($key);
507: # Assume the keys are addresses
1.104 matthew 508: my @Temp = grep /$keymask/,keys(%sheet_values);
509: @Keys = $sheet_values{@Temp};
1.80 matthew 510: } else {
511: $Keys[0]= $key;
512: }
513: # If $value is empty, return the first value associated
514: # with the first key.
515: if (! $value) {
516: return $hashes{$name}->{$Keys[0]}->[0];
517: }
518: # Check to see if we have multiple $value(s)
519: if ($value =~ /[A-z](\-[A-z])?\d+(\-\d+)?/) {
520: my $valmask = &mask($value);
1.104 matthew 521: my @Temp = grep /$valmask/,keys(%sheet_values);
522: @Values =$sheet_values{@Temp};
1.80 matthew 523: } else {
524: $Values[0]= $value;
525: }
526: # Add values to hash
527: for (my $i = 0; $i<=$#Keys; $i++) {
528: my $key = $Keys[$i];
529: my $value = ($i<=$#Values ? $Values[$i] : $Values[0]);
530: if (! exists ($hashes{$name}->{$key})) {
531: $hashes{$name}->{$key}->[0]=$value;
532: } else {
533: my @Temp = sort(@{$hashes{$name}->{$key}},$value);
534: $hashes{$name}->{$key} = \@Temp;
535: }
536: }
537: return $Values[-1];
1.1 www 538: }
539:
1.84 matthew 540: #-------------------------------------------------------
541:
542: =item NUM(range)
543:
544: returns the number of items in the range.
545:
546: =cut
547:
548: #-------------------------------------------------------
1.1 www 549: sub NUM {
550: my $mask=mask(@_);
1.104 matthew 551: my $num= $#{@{grep(/$mask/,keys(%sheet_values))}}+1;
1.1 www 552: return $num;
553: }
554:
555: sub BIN {
556: my ($low,$high,$lower,$upper)=@_;
557: my $mask=mask($lower,$upper);
558: my $num=0;
1.104 matthew 559: foreach (grep /$mask/,keys(%sheet_values)) {
560: if (($sheet_values{$_}>=$low) && ($sheet_values{$_}<=$high)) {
1.1 www 561: $num++;
562: }
1.78 matthew 563: }
1.1 www 564: return $num;
565: }
566:
567:
1.84 matthew 568: #-------------------------------------------------------
569:
570: =item SUM(range)
571:
572: returns the sum of items in the range.
573:
574: =cut
575:
576: #-------------------------------------------------------
1.1 www 577: sub SUM {
578: my $mask=mask(@_);
579: my $sum=0;
1.104 matthew 580: foreach (grep /$mask/,keys(%sheet_values)) {
581: $sum+=$sheet_values{$_};
1.78 matthew 582: }
1.1 www 583: return $sum;
584: }
585:
1.84 matthew 586: #-------------------------------------------------------
587:
588: =item MEAN(range)
589:
590: compute the average of the items in the range.
591:
592: =cut
593:
594: #-------------------------------------------------------
1.1 www 595: sub MEAN {
596: my $mask=mask(@_);
1.132 matthew 597: my $sum=0;
598: my $num=0;
1.104 matthew 599: foreach (grep /$mask/,keys(%sheet_values)) {
600: $sum+=$sheet_values{$_};
1.1 www 601: $num++;
1.78 matthew 602: }
1.1 www 603: if ($num) {
604: return $sum/$num;
605: } else {
606: return undef;
607: }
608: }
609:
1.84 matthew 610: #-------------------------------------------------------
611:
612: =item STDDEV(range)
613:
614: compute the standard deviation of the items in the range.
615:
616: =cut
617:
618: #-------------------------------------------------------
1.1 www 619: sub STDDEV {
620: my $mask=mask(@_);
621: my $sum=0; my $num=0;
1.104 matthew 622: foreach (grep /$mask/,keys(%sheet_values)) {
623: $sum+=$sheet_values{$_};
1.1 www 624: $num++;
1.78 matthew 625: }
1.1 www 626: unless ($num>1) { return undef; }
627: my $mean=$sum/$num;
628: $sum=0;
1.104 matthew 629: foreach (grep /$mask/,keys(%sheet_values)) {
630: $sum+=($sheet_values{$_}-$mean)**2;
1.78 matthew 631: }
1.1 www 632: return sqrt($sum/($num-1));
633: }
634:
1.84 matthew 635: #-------------------------------------------------------
636:
637: =item PROD(range)
638:
639: compute the product of the items in the range.
640:
641: =cut
642:
643: #-------------------------------------------------------
1.1 www 644: sub PROD {
645: my $mask=mask(@_);
646: my $prod=1;
1.104 matthew 647: foreach (grep /$mask/,keys(%sheet_values)) {
648: $prod*=$sheet_values{$_};
1.78 matthew 649: }
1.1 www 650: return $prod;
651: }
652:
1.84 matthew 653: #-------------------------------------------------------
654:
655: =item MAX(range)
656:
657: compute the maximum of the items in the range.
658:
659: =cut
660:
661: #-------------------------------------------------------
1.1 www 662: sub MAX {
663: my $mask=mask(@_);
664: my $max='-';
1.104 matthew 665: foreach (grep /$mask/,keys(%sheet_values)) {
666: unless ($max) { $max=$sheet_values{$_}; }
667: if (($sheet_values{$_}>$max) || ($max eq '-')) { $max=$sheet_values{$_}; }
1.78 matthew 668: }
1.1 www 669: return $max;
670: }
671:
1.84 matthew 672: #-------------------------------------------------------
673:
674: =item MIN(range)
675:
676: compute the minimum of the items in the range.
677:
678: =cut
679:
680: #-------------------------------------------------------
1.1 www 681: sub MIN {
682: my $mask=mask(@_);
683: my $min='-';
1.104 matthew 684: foreach (grep /$mask/,keys(%sheet_values)) {
685: unless ($max) { $max=$sheet_values{$_}; }
686: if (($sheet_values{$_}<$min) || ($min eq '-')) {
687: $min=$sheet_values{$_};
688: }
1.78 matthew 689: }
1.1 www 690: return $min;
691: }
692:
1.84 matthew 693: #-------------------------------------------------------
694:
695: =item SUMMAX(num,lower,upper)
696:
697: compute the sum of the largest 'num' items in the range from
698: 'lower' to 'upper'
699:
700: =cut
701:
702: #-------------------------------------------------------
1.1 www 703: sub SUMMAX {
704: my ($num,$lower,$upper)=@_;
705: my $mask=mask($lower,$upper);
706: my @inside=();
1.104 matthew 707: foreach (grep /$mask/,keys(%sheet_values)) {
708: push (@inside,$sheet_values{$_});
1.78 matthew 709: }
1.1 www 710: @inside=sort(@inside);
711: my $sum=0; my $i;
712: for ($i=$#inside;(($i>$#inside-$num) && ($i>=0));$i--) {
713: $sum+=$inside[$i];
714: }
715: return $sum;
716: }
717:
1.84 matthew 718: #-------------------------------------------------------
719:
720: =item SUMMIN(num,lower,upper)
721:
722: compute the sum of the smallest 'num' items in the range from
723: 'lower' to 'upper'
724:
725: =cut
726:
727: #-------------------------------------------------------
1.1 www 728: sub SUMMIN {
729: my ($num,$lower,$upper)=@_;
730: my $mask=mask($lower,$upper);
731: my @inside=();
1.104 matthew 732: foreach (grep /$mask/,keys(%sheet_values)) {
733: $inside[$#inside+1]=$sheet_values{$_};
1.78 matthew 734: }
1.1 www 735: @inside=sort(@inside);
736: my $sum=0; my $i;
737: for ($i=0;(($i<$num) && ($i<=$#inside));$i++) {
738: $sum+=$inside[$i];
739: }
740: return $sum;
741: }
742:
1.103 matthew 743: #-------------------------------------------------------
744:
745: =item MINPARM(parametername)
746:
747: Returns the minimum value of the parameters matching the parametername.
748: parametername should be a string such as 'duedate'.
749:
750: =cut
751:
752: #-------------------------------------------------------
753: sub MINPARM {
754: my ($expression) = @_;
755: my $min = undef;
1.124 matthew 756: study($expression);
1.103 matthew 757: foreach $parameter (keys(%c)) {
758: next if ($parameter !~ /$expression/);
759: if ((! defined($min)) || ($min > $c{$parameter})) {
760: $min = $c{$parameter}
761: }
762: }
763: return $min;
764: }
765:
766: #-------------------------------------------------------
767:
768: =item MAXPARM(parametername)
769:
770: Returns the maximum value of the parameters matching the input parameter name.
771: parametername should be a string such as 'duedate'.
772:
773: =cut
774:
775: #-------------------------------------------------------
776: sub MAXPARM {
777: my ($expression) = @_;
778: my $max = undef;
1.124 matthew 779: study($expression);
1.103 matthew 780: foreach $parameter (keys(%c)) {
781: next if ($parameter !~ /$expression/);
782: if ((! defined($min)) || ($max < $c{$parameter})) {
783: $max = $c{$parameter}
784: }
785: }
786: return $max;
787: }
788:
789: #--------------------------------------------------------
1.59 www 790: sub expandnamed {
791: my $expression=shift;
792: if ($expression=~/^\&/) {
793: my ($func,$var,$formula)=($expression=~/^\&(\w+)\(([^\;]+)\;(.*)\)/);
794: my @vars=split(/\W+/,$formula);
795: my %values=();
796: undef %values;
1.78 matthew 797: foreach ( @vars ) {
1.59 www 798: my $varname=$_;
799: if ($varname=~/\D/) {
800: $formula=~s/$varname/'$c{\''.$varname.'\'}'/ge;
801: $varname=~s/$var/\(\\w\+\)/g;
1.78 matthew 802: foreach (keys(%c)) {
1.59 www 803: if ($_=~/$varname/) {
804: $values{$1}=1;
805: }
1.78 matthew 806: }
1.59 www 807: }
1.78 matthew 808: }
1.59 www 809: if ($func eq 'EXPANDSUM') {
810: my $result='';
1.78 matthew 811: foreach (keys(%values)) {
1.59 www 812: my $thissum=$formula;
813: $thissum=~s/$var/$_/g;
814: $result.=$thissum.'+';
1.78 matthew 815: }
1.59 www 816: $result=~s/\+$//;
817: return $result;
818: } else {
819: return 0;
820: }
821: } else {
1.88 matthew 822: # it is not a function, so it is a parameter name
823: # We should do the following:
824: # 1. Take the list of parameter names
825: # 2. look through the list for ones that match the parameter we want
826: # 3. If there are no collisions, return the one that matches
827: # 4. If there is a collision, return 'bad parameter name error'
828: my $returnvalue = '';
829: my @matches = ();
830: $#matches = -1;
1.124 matthew 831: study $expression;
1.88 matthew 832: foreach $parameter (keys(%c)) {
833: push @matches,$parameter if ($parameter =~ /$expression/);
834: }
1.129 matthew 835: if (scalar(@matches) == 0) {
836: $returnvalue = 'unmatched parameter: '.$parameter;
1.128 matthew 837: } elsif (scalar(@matches) == 1) {
1.88 matthew 838: $returnvalue = '$c{\''.$matches[0].'\'}';
1.128 matthew 839: } elsif (scalar(@matches) > 0) {
1.100 matthew 840: # more than one match. Look for a concise one
841: $returnvalue = "'non-unique parameter name : $expression'";
842: foreach (@matches) {
843: if (/^$expression$/) {
844: $returnvalue = '$c{\''.$_.'\'}';
845: }
846: }
1.129 matthew 847: } else {
848: # There was a negative number of matches, which indicates
849: # something is wrong with reality. Better warn the user.
850: $returnvalue = 'bizzare parameter: '.$parameter;
1.88 matthew 851: }
852: return $returnvalue;
1.59 www 853: }
854: }
855:
1.1 www 856: sub sett {
857: %t=();
1.16 www 858: my $pattern='';
859: if ($sheettype eq 'assesscalc') {
860: $pattern='A';
861: } else {
862: $pattern='[A-Z]';
863: }
1.104 matthew 864: # Deal with the template row
1.78 matthew 865: foreach (keys(%f)) {
1.104 matthew 866: next if ($_!~/template\_(\w)/);
867: my $col=$1;
868: next if ($col=~/^$pattern/);
869: foreach (keys(%f)) {
870: next if ($_!~/A(\d+)/);
871: my $trow=$1;
872: next if (! $trow);
873: # Get the name of this cell
874: my $lb=$col.$trow;
875: # Grab the template declaration
876: $t{$lb}=$f{'template_'.$col};
877: # Replace '#' with the row number
878: $t{$lb}=~s/\#/$trow/g;
879: # Replace '....' with ','
880: $t{$lb}=~s/\.\.+/\,/g;
881: # Replace 'A0' with the value from 'A0'
882: $t{$lb}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$sheet_values\{\'$2\'\}/g;
883: # Replace parameters
884: $t{$lb}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.&expandnamed($2)/ge;
885: }
1.78 matthew 886: }
1.104 matthew 887: # Deal with the normal cells
1.78 matthew 888: foreach (keys(%f)) {
1.112 matthew 889: if (exists($f{$_}) && ($_!~/template\_/)) {
1.42 www 890: my $matches=($_=~/^$pattern(\d+)/);
891: if (($matches) && ($1)) {
1.6 www 892: unless ($f{$_}=~/^\!/) {
893: $t{$_}=$c{$_};
894: }
895: } else {
896: $t{$_}=$f{$_};
1.7 www 897: $t{$_}=~s/\.\.+/\,/g;
1.104 matthew 898: $t{$_}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$sheet_values\{\'$2\'\}/g;
1.59 www 899: $t{$_}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.&expandnamed($2)/ge;
1.6 www 900: }
1.1 www 901: }
1.78 matthew 902: }
1.104 matthew 903: # For inserted lines, [B-Z] is also valid
1.97 www 904: unless ($sheettype eq 'assesscalc') {
905: foreach (keys(%f)) {
906: if ($_=~/[B-Z](\d+)/) {
907: if ($f{'A'.$1}=~/^[\~\-]/) {
908: $t{$_}=$f{$_};
909: $t{$_}=~s/\.\.+/\,/g;
1.104 matthew 910: $t{$_}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$sheet_values\{\'$2\'\}/g;
1.97 www 911: $t{$_}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.&expandnamed($2)/ge;
912: }
913: }
914: }
915: }
1.88 matthew 916: # For some reason 'A0' gets special treatment... This seems superfluous
917: # but I imagine it is here for a reason.
1.17 www 918: $t{'A0'}=$f{'A0'};
919: $t{'A0'}=~s/\.\.+/\,/g;
1.104 matthew 920: $t{'A0'}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$sheet_values\{\'$2\'\}/g;
1.59 www 921: $t{'A0'}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.&expandnamed($2)/ge;
1.1 www 922: }
923:
1.124 matthew 924: sub calc {
925: undef %sheet_values;
926: &sett();
927: my $notfinished=1;
928: my $lastcalc='';
929: my $depth=0;
930: while ($notfinished) {
931: $notfinished=0;
932: foreach (keys(%t)) {
1.132 matthew 933: #$errorlog .= "$_:".$t{$_};
1.124 matthew 934: my $old=$sheet_values{$_};
935: $sheet_values{$_}=eval $t{$_};
936: if ($@) {
937: undef %sheet_values;
938: return $_.': '.$@;
939: }
940: if ($sheet_values{$_} ne $old) { $notfinished=1; $lastcalc=$_; }
1.132 matthew 941: #$errorlog .= ":".$sheet_values{$_}."\n";
1.124 matthew 942: }
943: $depth++;
944: if ($depth>100) {
945: undef %sheet_values;
946: return $lastcalc.': Maximum calculation depth exceeded';
947: }
948: }
949: return '';
950: }
951:
1.122 matthew 952: # ------------------------------------------- End of "Inside of the safe space"
953: ENDDEFS
954: $safeeval->reval($code);
955: return $safeeval;
956: }
957:
1.104 matthew 958: #
1.132 matthew 959: #
1.104 matthew 960: #
1.122 matthew 961: sub templaterow {
962: my $sheet = shift;
963: my @cols=();
1.132 matthew 964: my $rowlabel = 'Template';
1.122 matthew 965: foreach ('A','B','C','D','E','F','G','H','I','J','K','L','M',
966: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
967: 'a','b','c','d','e','f','g','h','i','j','k','l','m',
968: 'n','o','p','q','r','s','t','u','v','w','x','y','z') {
1.132 matthew 969: push(@cols,{ name => 'template_'.$_,
1.151 matthew 970: formula => $sheet->{'f'}->{'template_'.$_},
971: value => $sheet->{'f'}->{'template_'.$_} });
1.122 matthew 972: }
1.132 matthew 973: return ($rowlabel,@cols);
1.122 matthew 974: }
975:
1.16 www 976: sub outrowassess {
1.104 matthew 977: # $n is the current row number
1.132 matthew 978: my ($sheet,$n) = @_;
1.6 www 979: my @cols=();
1.132 matthew 980: my $rowlabel='';
1.6 www 981: if ($n) {
1.122 matthew 982: my ($usy,$ufn)=split(/__&&&\__/,$sheet->{'f'}->{'A'.$n});
1.132 matthew 983: if (exists($sheet->{'rowlabel'}->{$usy})) {
984: $rowlabel = $sheet->{'rowlabel'}->{$usy};
1.104 matthew 985: } else {
1.132 matthew 986: $rowlabel = '';
1.104 matthew 987: }
1.6 www 988: } else {
1.132 matthew 989: $rowlabel = 'Export';
1.6 www 990: }
1.78 matthew 991: foreach ('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: 'a','b','c','d','e','f','g','h','i','j','k','l','m',
994: 'n','o','p','q','r','s','t','u','v','w','x','y','z') {
1.132 matthew 995: push(@cols,{ name => $_.$n,
1.151 matthew 996: formula => $sheet->{'f'}->{$_.$n},
1.132 matthew 997: value => $sheet->{'values'}->{$_.$n}});
1.78 matthew 998: }
1.132 matthew 999: return ($rowlabel,@cols);
1.6 www 1000: }
1001:
1.18 www 1002: sub outrow {
1.132 matthew 1003: my ($sheet,$n)=@_;
1.18 www 1004: my @cols=();
1.132 matthew 1005: my $rowlabel;
1.18 www 1006: if ($n) {
1.132 matthew 1007: $rowlabel = $sheet->{'rowlabel'}->{$sheet->{'f'}->{'A'.$n}};
1.18 www 1008: } else {
1.132 matthew 1009: if ($sheet->{'sheettype'} eq 'classcalc') {
1010: $rowlabel = 'Summary';
1011: } else {
1012: $rowlabel = 'Export';
1013: }
1.18 www 1014: }
1.78 matthew 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') {
1.132 matthew 1019: push(@cols,{ name => $_.$n,
1.151 matthew 1020: formula => $sheet->{'f'}->{$_.$n},
1.132 matthew 1021: value => $sheet->{'values'}->{$_.$n}});
1.118 matthew 1022: }
1.132 matthew 1023: return ($rowlabel,@cols);
1.118 matthew 1024: }
1025:
1.4 www 1026: # ------------------------------------------------ Add or change formula values
1027: sub setformulas {
1.124 matthew 1028: my ($sheet)=shift;
1.119 matthew 1029: %{$sheet->{'safe'}->varglob('f')}=%{$sheet->{'f'}};
1.6 www 1030: }
1031:
1032: # ------------------------------------------------ Add or change formula values
1033: sub setconstants {
1.119 matthew 1034: my ($sheet)=shift;
1.122 matthew 1035: my ($constants) = @_;
1036: if (! ref($constants)) {
1037: my %tmp = @_;
1038: $constants = \%tmp;
1039: }
1040: $sheet->{'constants'} = $constants;
1.119 matthew 1041: return %{$sheet->{'safe'}->varglob('c')}=%{$sheet->{'constants'}};
1.6 www 1042: }
1043:
1.55 www 1044: # --------------------------------------------- Set names of other spreadsheets
1045: sub setothersheets {
1.119 matthew 1046: my $sheet = shift;
1047: my @othersheets = @_;
1048: $sheet->{'othersheets'} = \@othersheets;
1049: @{$sheet->{'safe'}->varglob('os')}=@othersheets;
1050: return;
1.55 www 1051: }
1052:
1.6 www 1053: # ------------------------------------------------ Add or change formula values
1054: sub setrowlabels {
1.119 matthew 1055: my $sheet=shift;
1.125 matthew 1056: my ($rowlabel) = @_;
1057: if (! ref($rowlabel)) {
1058: my %tmp = @_;
1059: $rowlabel = \%tmp;
1060: }
1061: $sheet->{'rowlabel'}=$rowlabel;
1.4 www 1062: }
1063:
1064: # ------------------------------------------------------- Calculate spreadsheet
1065: sub calcsheet {
1.119 matthew 1066: my $sheet=shift;
1.124 matthew 1067: my $result = $sheet->{'safe'}->reval('&calc();');
1068: %{$sheet->{'values'}} = %{$sheet->{'safe'}->varglob('sheet_values')};
1069: return $result;
1.4 www 1070: }
1071:
1072: # ---------------------------------------------------------------- Get formulas
1.131 matthew 1073: # Return a copy of the formulas
1.4 www 1074: sub getformulas {
1.119 matthew 1075: my $sheet = shift;
1076: return %{$sheet->{'safe'}->varglob('f')};
1.4 www 1077: }
1078:
1.132 matthew 1079: sub geterrorlog {
1080: my $sheet = shift;
1081: return ${$sheet->{'safe'}->varglob('errorlog')};
1082: }
1083:
1.139 matthew 1084: sub gettitle {
1085: my $sheet = shift;
1086: if ($sheet->{'sheettype'} eq 'classcalc') {
1087: return $sheet->{'coursedesc'};
1088: } elsif ($sheet->{'sheettype'} eq 'studentcalc') {
1089: return 'Grades for '.$sheet->{'uname'}.'@'.$sheet->{'udom'};
1090: } elsif ($sheet->{'sheettype'} eq 'assesscalc') {
1091: if (($sheet->{'usymb'} eq '_feedback') ||
1092: ($sheet->{'usymb'} eq '_evaluation') ||
1093: ($sheet->{'usymb'} eq '_discussion') ||
1094: ($sheet->{'usymb'} eq '_tutoring')) {
1095: my $title = $sheet->{'usymb'};
1096: $title =~ s/^_//;
1097: $title = ucfirst($title);
1098: return $title;
1099: }
1100: return if (! defined($sheet->{'mapid'}) ||
1101: $sheet->{'mapid'} !~ /^\d+$/);
1102: my $mapid = $sheet->{'mapid'};
1103: return if (! defined($sheet->{'resid'}) ||
1104: $sheet->{'resid'} !~ /^\d+$/);
1105: my $resid = $sheet->{'resid'};
1106: my %course_db;
1107: tie(%course_db,'GDBM_File',$sheet->{'coursefilename'}.'.db',
1108: &GDBM_READER(),0640);
1109: return if (! tied(%course_db));
1110: my $key = 'title_'.$mapid.'.'.$resid;
1111: my $title = '';
1112: if (exists($course_db{$key})) {
1113: $title = $course_db{$key};
1114: } else {
1115: $title = $sheet->{'usymb'};
1116: }
1117: untie (%course_db);
1118: return $title;
1119: }
1120: }
1121:
1.97 www 1122: # ----------------------------------------------------- Get value of $f{'A'.$n}
1123: sub getfa {
1.119 matthew 1124: my $sheet = shift;
1125: my ($n)=@_;
1126: return $sheet->{'safe'}->reval('$f{"A'.$n.'"}');
1.97 www 1127: }
1128:
1.14 www 1129: # ------------------------------------------------------------- Export of A-row
1.28 www 1130: sub exportdata {
1.119 matthew 1131: my $sheet=shift;
1.121 matthew 1132: my @exportarray=();
1133: foreach ('A','B','C','D','E','F','G','H','I','J','K','L','M',
1134: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z') {
1.130 matthew 1135: if (exists($sheet->{'values'}->{$_.'0'})) {
1136: push(@exportarray,$sheet->{'values'}->{$_.'0'});
1137: } else {
1138: push(@exportarray,'');
1139: }
1.121 matthew 1140: }
1141: return @exportarray;
1.14 www 1142: }
1.55 www 1143:
1.136 matthew 1144:
1145:
1146: sub update_student_sheet{
1.143 matthew 1147: my ($sheet,$r,$c) = @_;
1.136 matthew 1148: # Load in the studentcalc sheet
1149: &readsheet($sheet,'default_studentcalc');
1150: # Determine the structure (contained assessments, etc) of the sheet
1151: &updatesheet($sheet);
1152: # Load in the cached sheets for this student
1153: &cachedssheets($sheet);
1154: # Load in the (possibly cached) data from the assessment sheets
1.143 matthew 1155: &loadstudent($sheet,$r,$c);
1.136 matthew 1156: # Compute the sheet
1157: &calcsheet($sheet);
1158: }
1159:
1.5 www 1160: # ========================================================== End of Spreadsheet
1161: # =============================================================================
1.27 www 1162: #
1.135 matthew 1163: # Procedures for spreadsheet output
1.27 www 1164: #
1.6 www 1165: # --------------------------------------------- Produce output row n from sheet
1166:
1.132 matthew 1167: sub get_row {
1168: my ($sheet,$n) = @_;
1169: my ($rowlabel,@rowdata);
1.104 matthew 1170: if ($n eq '-') {
1.132 matthew 1171: ($rowlabel,@rowdata) = &templaterow($sheet);
1172: } elsif ($sheet->{'sheettype'} eq 'studentcalc') {
1173: ($rowlabel,@rowdata) = &outrowassess($sheet,$n);
1.61 www 1174: } else {
1.132 matthew 1175: ($rowlabel,@rowdata) = &outrow($sheet,$n);
1.61 www 1176: }
1.132 matthew 1177: return ($rowlabel,@rowdata);
1.6 www 1178: }
1179:
1.132 matthew 1180: ########################################################################
1181: ########################################################################
1182: sub sort_indicies {
1183: my $sheet = shift;
1.142 matthew 1184: my @sortidx=();
1.106 matthew 1185: #
1.142 matthew 1186: if ($sheet->{'sheettype'} eq 'classcalc') {
1.143 matthew 1187: my @sortby=(undef);
1.142 matthew 1188: # Skip row 0
1189: for (my $row=1;$row<=$sheet->{'maxrow'};$row++) {
1190: my (undef,$sname,$sdom,$fullname,$section,$id) =
1191: split(':',$sheet->{'rowlabel'}->{$sheet->{'f'}->{'A'.$row}});
1192: push (@sortby, lc($fullname));
1193: push (@sortidx, $row);
1194: }
1195: @sortidx = sort { $sortby[$a] cmp $sortby[$b]; } @sortidx;
1196: } elsif ($sheet->{'sheettype'} eq 'studentcalc') {
1.143 matthew 1197: my @sortby1=(undef);
1198: my @sortby2=(undef);
1.142 matthew 1199: # Skip row 0
1200: for (my $row=1;$row<=$sheet->{'maxrow'};$row++) {
1201: my (undef,$symb,$uname,$udom,$mapid,$resid,$title) =
1202: split(':',$sheet->{'rowlabel'}->{$sheet->{'f'}->{'A'.$row}});
1203: $symb = &Apache::lonnet::unescape($symb);
1204: my ($sequence) = ($symb =~ /\/([^\/]*\.sequence)/);
1205: if ($sequence eq '') {
1206: $sequence = $symb;
1207: }
1.143 matthew 1208: push (@sortby1, $sequence);
1209: push (@sortby2, $title);
1.142 matthew 1210: push (@sortidx, $row);
1211: }
1.143 matthew 1212: @sortidx = sort { $sortby1[$a] cmp $sortby1[$b] ||
1213: $sortby2[$a] cmp $sortby2[$b] } @sortidx;
1.142 matthew 1214: } else {
1.143 matthew 1215: my @sortby=(undef);
1.142 matthew 1216: # Skip row 0
1217: for (my $row=1;$row<=$sheet->{'maxrow'};$row++) {
1218: push (@sortby, $sheet->{'safe'}->reval('$f{"A'.$row.'"}'));
1219: push (@sortidx, $row);
1220: }
1221: @sortidx = sort { $sortby[$a] cmp $sortby[$b]; } @sortidx;
1.65 www 1222: }
1.132 matthew 1223: return @sortidx;
1224: }
1225:
1.135 matthew 1226: #############################################################
1227: ### ###
1228: ### Spreadsheet Output Routines ###
1229: ### ###
1230: #############################################################
1231:
1232: ############################################
1233: ## HTML output routines ##
1234: ############################################
1.132 matthew 1235: sub html_editable_cell {
1236: my ($cell,$bgcolor) = @_;
1237: my $result;
1238: my ($name,$formula,$value);
1239: if (defined($cell)) {
1240: $name = $cell->{'name'};
1241: $formula = $cell->{'formula'};
1242: $value = $cell->{'value'};
1243: }
1244: $name = '' if (! defined($name));
1245: $formula = '' if (! defined($formula));
1246: if (! defined($value)) {
1247: $value = '<font color="'.$bgcolor.'">#</font>';
1248: if ($formula ne '') {
1249: $value = '<i>undefined value</i>';
1250: }
1.152 ! matthew 1251: } elsif ($value =~ /^\s*$/ ) {
1.133 matthew 1252: $value = '<font color="'.$bgcolor.'">#</font>';
1.152 ! matthew 1253: } else {
! 1254: $value = &HTML::Entities::encode($value);
1.133 matthew 1255: }
1.152 ! matthew 1256: # Make the formula safe for outputting
! 1257: $formula =~ s/\'/\"/g;
! 1258: # The formula will be parsed by the browser *twice* before being
! 1259: # displayed to the user for editing.
! 1260: $formula = &HTML::Entities::encode(&HTML::Entities::encode($formula));
! 1261: # Escape newlines so they make it into the edit window
1.138 matthew 1262: $formula =~ s/\n/\\n/gs;
1.152 ! matthew 1263: # Glue everything together
1.151 matthew 1264: $result .= "<a href=\"javascript:celledit(\'".
1265: $name."','".$formula."');\">".$value."</a>";
1.132 matthew 1266: return $result;
1267: }
1268:
1269: sub html_uneditable_cell {
1270: my ($cell,$bgcolor) = @_;
1271: my $value = (defined($cell) ? $cell->{'value'} : '');
1.152 ! matthew 1272: $value = &HTML::Entities::encode($value);
1.132 matthew 1273: return ' '.$value.' ';
1274: }
1275:
1276: sub outsheet_html {
1277: my ($sheet,$r) = @_;
1278: my ($num_uneditable,$realm,$row_type);
1.119 matthew 1279: if ($sheet->{'sheettype'} eq 'assesscalc') {
1.132 matthew 1280: $num_uneditable = 1;
1281: $realm = 'Assessment';
1282: $row_type = 'Item';
1.119 matthew 1283: } elsif ($sheet->{'sheettype'} eq 'studentcalc') {
1.132 matthew 1284: $num_uneditable = 26;
1285: $realm = 'User';
1286: $row_type = 'Assessment';
1287: } elsif ($sheet->{'sheettype'} eq 'classcalc') {
1288: $num_uneditable = 26;
1289: $realm = 'Course';
1290: $row_type = 'Student';
1291: } else {
1292: return; # error
1293: }
1294: ####################################
1295: # Print out header table
1296: ####################################
1297: my $num_left = 52-$num_uneditable;
1298: my $tabledata =<<"END";
1299: <table border="2">
1300: <tr>
1301: <th colspan="1" rowspan="2"><font size="+2">$realm</font></th>
1302: <td bgcolor="#FFDDDD" colspan="$num_uneditable">
1303: <b><font size="+1">Import</font></b></td>
1304: <td colspan="$num_left">
1305: <b><font size="+1">Calculations</font></b></td>
1306: </tr><tr>
1307: END
1308: my $label_num = 0;
1309: foreach (split(//,'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz')){
1310: if ($label_num<$num_uneditable) {
1311: $tabledata.='<td bgcolor="#FFDDDD">';
1312: } else {
1313: $tabledata.='<td>';
1314: }
1315: $tabledata.="<b><font size=+1>$_</font></b></td>";
1316: $label_num++;
1.106 matthew 1317: }
1.132 matthew 1318: $tabledata.="</tr>\n";
1319: $r->print($tabledata);
1320: ####################################
1321: # Print out template row
1322: ####################################
1323: my ($rowlabel,@rowdata) = &get_row($sheet,'-');
1.149 matthew 1324: my $row_html = '<tr><td>'.&format_html_rowlabel($sheet,$rowlabel).'</td>';
1.132 matthew 1325: my $num_cols_output = 0;
1326: foreach my $cell (@rowdata) {
1327: if ($num_cols_output++ < $num_uneditable) {
1328: $row_html .= '<td bgcolor="#FFDDDD">';
1329: $row_html .= &html_uneditable_cell($cell,'#FFDDDD');
1330: } else {
1331: $row_html .= '<td bgcolor="#EOFFDD">';
1332: $row_html .= &html_editable_cell($cell,'#E0FFDD');
1333: }
1334: $row_html .= '</td>';
1335: }
1336: $row_html.= "</tr>\n";
1337: $r->print($row_html);
1338: ####################################
1339: # Print out summary/export row
1340: ####################################
1.152 ! matthew 1341: ($rowlabel,@rowdata) = &get_row($sheet,'0');
1.149 matthew 1342: $row_html = '<tr><td>'.&format_html_rowlabel($sheet,$rowlabel).'</td>';
1.132 matthew 1343: $num_cols_output = 0;
1344: foreach my $cell (@rowdata) {
1345: if ($num_cols_output++ < 26) {
1346: $row_html .= '<td bgcolor="#CCCCFF">';
1347: $row_html .= &html_editable_cell($cell,'#CCCCFF');
1348: } else {
1349: $row_html .= '<td bgcolor="#DDCCFF">';
1350: $row_html .= &html_uneditable_cell(undef,'#CCCCFF');
1351: }
1352: $row_html .= '</td>';
1353: }
1354: $row_html.= "</tr>\n";
1355: $r->print($row_html);
1356: $r->print('</table>');
1357: ####################################
1358: # Prepare to output rows
1359: ####################################
1360: my @Rows = &sort_indicies($sheet);
1.106 matthew 1361: #
1362: # Loop through the rows and output them one at a time
1.132 matthew 1363: my $rows_output=0;
1364: foreach my $rownum (@Rows) {
1365: my ($rowlabel,@rowdata) = &get_row($sheet,$rownum);
1.136 matthew 1366: next if ($rowlabel =~ /^\s*$/);
1.141 matthew 1367: next if (($sheet->{'sheettype'} eq 'assesscalc') &&
1368: (! $ENV{'form.showall'}) &&
1369: ($rowdata[0]->{'value'} =~ /^\s*$/));
1.143 matthew 1370: if (! $ENV{'form.showall'} &&
1371: $sheet->{'sheettype'} =~ /^(studentcalc|classcalc)$/) {
1.141 matthew 1372: my $row_is_empty = 1;
1373: foreach my $cell (@rowdata) {
1374: if ($cell->{'value'} !~ /^\s*$/) {
1375: $row_is_empty = 0;
1376: last;
1377: }
1378: }
1.143 matthew 1379: next if ($row_is_empty);
1.141 matthew 1380: }
1.132 matthew 1381: #
1382: my $defaultbg='#E0FF';
1383: #
1384: my $row_html ="\n".'<tr><td><b><font size=+1>'.$rownum.
1385: '</font></b></td>';
1386: #
1387: if ($sheet->{'sheettype'} eq 'classcalc') {
1.149 matthew 1388: $row_html.='<td>'.&format_html_rowlabel($sheet,$rowlabel).'</td>';
1.132 matthew 1389: # Output links for each student?
1.133 matthew 1390: # Nope, that is already done for us in format_html_rowlabel (for now)
1.132 matthew 1391: } elsif ($sheet->{'sheettype'} eq 'studentcalc') {
1.149 matthew 1392: $row_html.='<td>'.&format_html_rowlabel($sheet,$rowlabel);
1.132 matthew 1393: $row_html.= '<br>'.
1394: '<select name="sel_'.$rownum.'" '.
1395: 'onChange="changesheet('.$rownum.')">'.
1396: '<option name="default">Default</option>';
1397: foreach (@{$sheet->{'othersheets'}}) {
1398: $row_html.='<option name="'.$_.'"';
1399: #if ($ufn eq $_) {
1400: # $row_html.=' selected';
1401: #}
1402: $row_html.='>'.$_.'</option>';
1403: }
1404: $row_html.='</select></td>';
1405: } elsif ($sheet->{'sheettype'} eq 'assesscalc') {
1.149 matthew 1406: $row_html.='<td>'.&format_html_rowlabel($sheet,$rowlabel).'</td>';
1.132 matthew 1407: }
1408: #
1409: my $shown_cells = 0;
1410: foreach my $cell (@rowdata) {
1411: my $value = $cell->{'value'};
1412: my $formula = $cell->{'formula'};
1413: my $cellname = $cell->{'name'};
1414: #
1415: my $bgcolor;
1416: if ($shown_cells && ($shown_cells/5 == int($shown_cells/5))) {
1417: $bgcolor = $defaultbg.'99';
1418: } else {
1419: $bgcolor = $defaultbg.'DD';
1420: }
1421: $bgcolor='#FFDDDD' if ($shown_cells < $num_uneditable);
1422: #
1423: $row_html.='<td bgcolor='.$bgcolor.'>';
1424: if ($shown_cells < $num_uneditable) {
1425: $row_html .= &html_uneditable_cell($cell,$bgcolor);
1426: } else {
1427: $row_html .= &html_editable_cell($cell,$bgcolor);
1428: }
1429: $row_html.='</td>';
1430: $shown_cells++;
1431: }
1432: if ($row_html) {
1433: if ($rows_output % 25 == 0) {
1.102 matthew 1434: $r->print("</table>\n<br>\n");
1435: $r->rflush();
1.132 matthew 1436: $r->print('<table border=2>'.
1437: '<tr><td> <td>'.$row_type.'</td>'.
1438: '<td>'.
1.106 matthew 1439: join('</td><td>',
1440: (split(//,'ABCDEFGHIJKLMNOPQRSTUVWXYZ'.
1441: 'abcdefghijklmnopqrstuvwxyz'))).
1.102 matthew 1442: "</td></tr>\n");
1443: }
1.132 matthew 1444: $rows_output++;
1445: $r->print($row_html);
1.78 matthew 1446: }
1.6 www 1447: }
1.132 matthew 1448: #
1449: $r->print('</table>');
1450: #
1451: # Debugging code (be sure to uncomment errorlog code in safe space):
1452: #
1453: # $r->print("\n<pre>");
1454: # $r->print(&geterrorlog($sheet));
1455: # $r->print("\n</pre>");
1456: return 1;
1457: }
1458:
1.135 matthew 1459: ############################################
1460: ## csv output routines ##
1461: ############################################
1.132 matthew 1462: sub outsheet_csv {
1463: my ($sheet,$r) = @_;
1.133 matthew 1464: my $csvdata = '';
1465: my @Values;
1466: ####################################
1467: # Prepare to output rows
1468: ####################################
1469: my @Rows = &sort_indicies($sheet);
1470: #
1471: # Loop through the rows and output them one at a time
1472: my $rows_output=0;
1473: foreach my $rownum (@Rows) {
1474: my ($rowlabel,@rowdata) = &get_row($sheet,$rownum);
1.136 matthew 1475: next if ($rowlabel =~ /^\s*$/);
1.149 matthew 1476: push (@Values,&format_csv_rowlabel($sheet,$rowlabel));
1.133 matthew 1477: foreach my $cell (@rowdata) {
1478: push (@Values,'"'.$cell->{'value'}.'"');
1479: }
1480: $csvdata.= join(',',@Values)."\n";
1481: @Values = ();
1482: }
1483: #
1.134 matthew 1484: # Write the CSV data to a file and serve up a link
1485: #
1486: my $filename = '/prtspool/'.
1487: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
1488: time.'_'.rand(1000000000).'.csv';
1489: my $file;
1490: unless ($file = Apache::File->new('>'.'/home/httpd'.$filename)) {
1491: $r->log_error("Couldn't open $filename for output $!");
1492: $r->print("Problems occured in writing the csv file. ".
1493: "This error has been logged. ".
1494: "Please alert your LON-CAPA administrator.");
1495: $r->print("<pre>\n".$csvdata."</pre>\n");
1496: return 0;
1497: }
1498: print $file $csvdata;
1499: close($file);
1500: $r->print('<br /><br />'.
1501: '<a href="'.$filename.'">Your CSV spreadsheet.</a>'."\n");
1.133 matthew 1502: #
1503: return 1;
1.132 matthew 1504: }
1505:
1.135 matthew 1506: ############################################
1507: ## Excel output routines ##
1508: ############################################
1509: sub outsheet_recursive_excel {
1510: my ($sheet,$r) = @_;
1.136 matthew 1511: my $c = $r->connection;
1.135 matthew 1512: return undef if ($sheet->{'sheettype'} ne 'classcalc');
1513: my ($workbook,$filename) = &create_excel_spreadsheet($sheet,$r);
1514: return undef if (! defined($workbook));
1515: #
1516: # Create main worksheet
1517: my $main_worksheet = $workbook->addworksheet('main');
1518: #
1519: # Figure out who the students are
1520: my %f=&getformulas($sheet);
1521: my $count = 0;
1.136 matthew 1522: $r->print(<<END);
1523: <p>
1524: Compiling Excel Workbook with a worksheet for each student.
1525: </p><p>
1526: This operation may take longer than a complete recalculation of the
1527: spreadsheet.
1528: </p><p>
1529: To abort this operation, hit the stop button on your browser.
1530: </p><p>
1531: A link to the spreadsheet will be available at the end of this process.
1532: </p>
1533: <p>
1534: END
1.135 matthew 1535: $r->rflush();
1.136 matthew 1536: my $starttime = time;
1.146 matthew 1537: foreach my $rownum (&sort_indicies($sheet)) {
1.135 matthew 1538: $count++;
1.146 matthew 1539: my ($sname,$sdom) = split(':',$f{'A'.$rownum});
1.135 matthew 1540: my $student_excel_worksheet=$workbook->addworksheet($sname.'@'.$sdom);
1541: # Create a new spreadsheet
1542: my $studentsheet = &makenewsheet($sname,$sdom,'studentcalc',undef);
1543: # Read in the spreadsheet definition
1.143 matthew 1544: &update_student_sheet($studentsheet,$r,$c);
1.135 matthew 1545: # Stuff the sheet into excel
1546: &export_sheet_as_excel($studentsheet,$student_excel_worksheet);
1.136 matthew 1547: my $totaltime = int((time - $starttime) / $count * $sheet->{'maxrow'});
1548: my $timeleft = int((time - $starttime) / $count * ($sheet->{'maxrow'} - $count));
1.135 matthew 1549: if ($count % 5 == 0) {
1.136 matthew 1550: $r->print($count.' students completed.'.
1551: ' Time remaining: '.$timeleft.' sec. '.
1552: ' Estimated total time: '.$totaltime." sec <br />\n");
1.135 matthew 1553: $r->rflush();
1554: }
1.136 matthew 1555: if(defined($c) && ($c->aborted())) {
1556: last;
1557: }
1.135 matthew 1558: }
1559: #
1.136 matthew 1560: if(! $c->aborted() ) {
1561: $r->print('All students spreadsheets completed!<br />');
1562: $r->rflush();
1563: #
1564: # &export_sheet_as_excel fills $worksheet with the data from $sheet
1565: &export_sheet_as_excel($sheet,$main_worksheet);
1566: #
1567: $workbook->close();
1568: # Okay, the spreadsheet is taken care of, so give the user a link.
1569: $r->print('<br /><br />'.
1570: '<a href="'.$filename.'">Your Excel spreadsheet.</a>'."\n");
1571: } else {
1572: $workbook->close(); # Not sure how necessary this is.
1573: #unlink('/home/httpd'.$filename); # No need to keep this around?
1574: }
1.135 matthew 1575: return 1;
1576: }
1577:
1.132 matthew 1578: sub outsheet_excel {
1579: my ($sheet,$r) = @_;
1.135 matthew 1580: my ($workbook,$filename) = &create_excel_spreadsheet($sheet,$r);
1581: return undef if (! defined($workbook));
1582: my $sheetname;
1583: if ($sheet->{'sheettype'} eq 'classcalc') {
1584: $sheetname = 'Main';
1585: } elsif ($sheet->{'sheettype'} eq 'studentcalc') {
1586: $sheetname = $sheet->{'uname'}.'@'.$sheet->{'udom'};
1587: } elsif ($sheet->{'sheettype'} eq 'assesscalc') {
1588: $sheetname = $sheet->{'uname'}.'@'.$sheet->{'udom'}.' assessment';
1589: }
1590: my $worksheet = $workbook->addworksheet($sheetname);
1591: #
1592: # &export_sheet_as_excel fills $worksheet with the data from $sheet
1593: &export_sheet_as_excel($sheet,$worksheet);
1594: #
1595: $workbook->close();
1596: # Okay, the spreadsheet is taken care of, so give the user a link.
1597: $r->print('<br /><br />'.
1598: '<a href="'.$filename.'">Your Excel spreadsheet.</a>'."\n");
1599: return 1;
1600: }
1601:
1602: sub create_excel_spreadsheet {
1603: my ($sheet,$r) = @_;
1.134 matthew 1604: my $filename = '/prtspool/'.
1605: $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
1606: time.'_'.rand(1000000000).'.xls';
1607: my $workbook = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);
1608: if (! defined($workbook)) {
1609: $r->log_error("Error creating excel spreadsheet $filename: $!");
1610: $r->print("Problems creating new Excel file. ".
1611: "This error has been logged. ".
1612: "Please alert your LON-CAPA administrator");
1.135 matthew 1613: return undef;
1.134 matthew 1614: }
1615: #
1616: # The spreadsheet stores temporary data in files, then put them
1617: # together. If needed we should be able to disable this (memory only).
1618: # The temporary directory must be specified before calling 'addworksheet'.
1619: # File::Temp is used to determine the temporary directory.
1620: $workbook->set_tempdir('/home/httpd/perl/tmp');
1621: #
1622: # Determine the name to give the worksheet
1.135 matthew 1623: return ($workbook,$filename);
1624: }
1625:
1626: sub export_sheet_as_excel {
1627: my $sheet = shift;
1628: my $worksheet = shift;
1.139 matthew 1629: #
1630: my $rows_output = 0;
1631: my $cols_output = 0;
1632: ####################################
1633: # Write an identifying row #
1634: ####################################
1635: my @Headerinfo = ($sheet->{'coursedesc'});
1636: my $title = &gettitle($sheet);
1637: $cols_output = 0;
1638: if (defined($title)) {
1639: $worksheet->write($rows_output++,$cols_output++,$title);
1640: }
1641: ####################################
1642: # Write the summary/export row #
1643: ####################################
1644: my ($rowlabel,@rowdata) = &get_row($sheet,'0');
1.149 matthew 1645: my $label = &format_excel_rowlabel($sheet,$rowlabel);
1.139 matthew 1646: $cols_output = 0;
1647: $worksheet->write($rows_output,$cols_output++,$label);
1648: foreach my $cell (@rowdata) {
1649: $worksheet->write($rows_output,$cols_output++,$cell->{'value'});
1650: }
1651: $rows_output+= 2; # Skip a row, just for fun
1.134 matthew 1652: ####################################
1653: # Prepare to output rows
1654: ####################################
1655: my @Rows = &sort_indicies($sheet);
1656: #
1657: # Loop through the rows and output them one at a time
1658: foreach my $rownum (@Rows) {
1659: my ($rowlabel,@rowdata) = &get_row($sheet,$rownum);
1.143 matthew 1660: next if ($rowlabel =~ /^[\s]*$/);
1.139 matthew 1661: $cols_output = 0;
1.149 matthew 1662: my $label = &format_excel_rowlabel($sheet,$rowlabel);
1.143 matthew 1663: if ( ! $ENV{'form.showall'} &&
1664: $sheet->{'sheettype'} =~ /^(studentcalc|classcalc)$/) {
1665: my $row_is_empty = 1;
1666: foreach my $cell (@rowdata) {
1667: if ($cell->{'value'} !~ /^\s*$/) {
1668: $row_is_empty = 0;
1669: last;
1670: }
1671: }
1672: next if ($row_is_empty);
1673: }
1.134 matthew 1674: $worksheet->write($rows_output,$cols_output++,$label);
1675: if (ref($label)) {
1676: $cols_output = (scalar(@$label));
1677: }
1678: foreach my $cell (@rowdata) {
1.139 matthew 1679: $worksheet->write($rows_output,$cols_output++,$cell->{'value'});
1.134 matthew 1680: }
1681: $rows_output++;
1682: }
1.135 matthew 1683: return;
1.132 matthew 1684: }
1685:
1.135 matthew 1686: ############################################
1687: ## XML output routines ##
1688: ############################################
1.132 matthew 1689: sub outsheet_xml {
1690: my ($sheet,$r) = @_;
1.135 matthew 1691: ## Someday XML
1692: ## Will be rendered for the user
1693: ## But not on this day
1.6 www 1694: }
1695:
1.135 matthew 1696: ##
1697: ## Outsheet - calls other outsheet_* functions
1698: ##
1.132 matthew 1699: sub outsheet {
1.143 matthew 1700: my ($sheet,$r)=@_;
1.134 matthew 1701: if (! exists($ENV{'form.output'})) {
1702: $ENV{'form.output'} = 'HTML';
1703: }
1704: if (lc($ENV{'form.output'}) eq 'csv') {
1.133 matthew 1705: &outsheet_csv($sheet,$r);
1.134 matthew 1706: } elsif (lc($ENV{'form.output'}) eq 'excel') {
1707: &outsheet_excel($sheet,$r);
1.135 matthew 1708: } elsif (lc($ENV{'form.output'}) eq 'recursive excel') {
1709: &outsheet_recursive_excel($sheet,$r);
1.134 matthew 1710: # } elsif (lc($ENV{'form.output'}) eq 'xml' ) {
1.132 matthew 1711: # &outsheet_xml($sheet,$r);
1.133 matthew 1712: } else {
1713: &outsheet_html($sheet,$r);
1714: }
1.132 matthew 1715: }
1716:
1717: ########################################################################
1718: ########################################################################
1.55 www 1719: sub othersheets {
1.119 matthew 1720: my ($sheet,$stype)=@_;
1721: $stype = $sheet->{'sheettype'} if (! defined($stype));
1.81 matthew 1722: #
1.119 matthew 1723: my $cnum = $sheet->{'cnum'};
1724: my $cdom = $sheet->{'cdom'};
1725: my $chome = $sheet->{'chome'};
1.81 matthew 1726: #
1.55 www 1727: my @alternatives=();
1.81 matthew 1728: my %results=&Apache::lonnet::dump($stype.'_spreadsheets',$cdom,$cnum);
1729: my ($tmp) = keys(%results);
1730: unless ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1731: @alternatives = sort (keys(%results));
1732: }
1.55 www 1733: return @alternatives;
1734: }
1735:
1.82 matthew 1736: #
1737: # -------------------------------------- Parse a spreadsheet
1738: #
1739: sub parse_sheet {
1740: # $sheetxml is a scalar reference or a scalar
1741: my ($sheetxml) = @_;
1742: if (! ref($sheetxml)) {
1743: my $tmp = $sheetxml;
1744: $sheetxml = \$tmp;
1745: }
1746: my %f;
1747: my $parser=HTML::TokeParser->new($sheetxml);
1748: my $token;
1749: while ($token=$parser->get_token) {
1750: if ($token->[0] eq 'S') {
1751: if ($token->[1] eq 'field') {
1752: $f{$token->[2]->{'col'}.$token->[2]->{'row'}}=
1753: $parser->get_text('/field');
1754: }
1755: if ($token->[1] eq 'template') {
1756: $f{'template_'.$token->[2]->{'col'}}=
1757: $parser->get_text('/template');
1758: }
1759: }
1760: }
1761: return \%f;
1762: }
1763:
1.55 www 1764: #
1.27 www 1765: # -------------------------------------- Read spreadsheet formulas for a course
1766: #
1767: sub readsheet {
1.119 matthew 1768: my ($sheet,$fn)=@_;
1.107 matthew 1769: #
1.119 matthew 1770: my $stype = $sheet->{'sheettype'};
1771: my $cnum = $sheet->{'cnum'};
1772: my $cdom = $sheet->{'cdom'};
1773: my $chome = $sheet->{'chome'};
1.107 matthew 1774: #
1.104 matthew 1775: if (! defined($fn)) {
1776: # There is no filename. Look for defaults in course and global, cache
1777: unless ($fn=$defaultsheets{$cnum.'_'.$cdom.'_'.$stype}) {
1778: my %tmphash = &Apache::lonnet::get('environment',
1779: ['spreadsheet_default_'.$stype],
1780: $cdom,$cnum);
1781: my ($tmp) = keys(%tmphash);
1782: if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1783: $fn = 'default_'.$stype;
1784: } else {
1785: $fn = $tmphash{'spreadsheet_default_'.$stype};
1786: }
1787: unless (($fn) && ($fn!~/^error\:/)) {
1788: $fn='default_'.$stype;
1789: }
1790: $defaultsheets{$cnum.'_'.$cdom.'_'.$stype}=$fn;
1791: }
1792: }
1793: # $fn now has a value
1.119 matthew 1794: $sheet->{'filename'} = $fn;
1.104 matthew 1795: # see if sheet is cached
1796: my $fstring='';
1797: if ($fstring=$spreadsheets{$cnum.'_'.$cdom.'_'.$stype.'_'.$fn}) {
1.119 matthew 1798: my %tmp = split(/___;___/,$fstring);
1.124 matthew 1799: $sheet->{'f'} = \%tmp;
1800: &setformulas($sheet);
1.104 matthew 1801: } else {
1802: # Not cached, need to read
1803: my %f=();
1804: if ($fn=~/^default\_/) {
1805: my $sheetxml='';
1806: my $fh;
1807: my $dfn=$fn;
1808: $dfn=~s/\_/\./g;
1809: if ($fh=Apache::File->new($includedir.'/'.$dfn)) {
1810: $sheetxml=join('',<$fh>);
1811: } else {
1.141 matthew 1812: # $sheetxml='<field row="0" col="A">"Error"</field>';
1813: $sheetxml='<field row="0" col="A"></field>';
1.104 matthew 1814: }
1815: %f=%{&parse_sheet(\$sheetxml)};
1816: } elsif($fn=~/\/*\.spreadsheet$/) {
1817: my $sheetxml=&Apache::lonnet::getfile
1818: (&Apache::lonnet::filelocation('',$fn));
1819: if ($sheetxml == -1) {
1820: $sheetxml='<field row="0" col="A">"Error loading spreadsheet '
1821: .$fn.'"</field>';
1822: }
1823: %f=%{&parse_sheet(\$sheetxml)};
1824: } else {
1825: my $sheet='';
1826: my %tmphash = &Apache::lonnet::dump($fn,$cdom,$cnum);
1827: my ($tmp) = keys(%tmphash);
1828: unless ($tmp =~ /^(con_lost|error|no_such_host)/i) {
1829: foreach (keys(%tmphash)) {
1830: $f{$_}=$tmphash{$_};
1831: }
1832: }
1833: }
1834: # Cache and set
1835: $spreadsheets{$cnum.'_'.$cdom.'_'.$stype.'_'.$fn}=join('___;___',%f);
1.124 matthew 1836: $sheet->{'f'}=\%f;
1837: &setformulas($sheet);
1.3 www 1838: }
1839: }
1840:
1.28 www 1841: # -------------------------------------------------------- Make new spreadsheet
1842: sub makenewsheet {
1843: my ($uname,$udom,$stype,$usymb)=@_;
1.119 matthew 1844: my $sheet={};
1845: $sheet->{'uname'} = $uname;
1846: $sheet->{'udom'} = $udom;
1847: $sheet->{'sheettype'} = $stype;
1848: $sheet->{'usymb'} = $usymb;
1.139 matthew 1849: $sheet->{'mapid'} = $ENV{'form.mapid'};
1850: $sheet->{'resid'} = $ENV{'form.resid'};
1.119 matthew 1851: $sheet->{'cid'} = $ENV{'request.course.id'};
1852: $sheet->{'csec'} = $Section{$uname.':'.$udom};
1853: $sheet->{'coursefilename'} = $ENV{'request.course.fn'};
1854: $sheet->{'cnum'} = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
1855: $sheet->{'cdom'} = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
1856: $sheet->{'chome'} = $ENV{'course.'.$ENV{'request.course.id'}.'.home'};
1.134 matthew 1857: $sheet->{'coursedesc'} = $ENV{'course.'.$ENV{'request.course.id'}.
1.139 matthew 1858: '.description'};
1.119 matthew 1859: $sheet->{'uhome'} = &Apache::lonnet::homeserver($uname,$udom);
1860: #
1861: #
1862: $sheet->{'f'} = {};
1863: $sheet->{'constants'} = {};
1864: $sheet->{'othersheets'} = [];
1865: $sheet->{'rowlabel'} = {};
1866: #
1867: #
1868: $sheet->{'safe'}=&initsheet($sheet->{'sheettype'});
1.116 matthew 1869: #
1.119 matthew 1870: # Place all the %$sheet items into the safe space except the safe space
1871: # itself
1.105 matthew 1872: my $initstring = '';
1.119 matthew 1873: foreach (qw/uname udom sheettype usymb cid csec coursefilename
1874: cnum cdom chome uhome/) {
1875: $initstring.= qq{\$$_="$sheet->{$_}";};
1.105 matthew 1876: }
1.119 matthew 1877: $sheet->{'safe'}->reval($initstring);
1878: return $sheet;
1.28 www 1879: }
1880:
1.19 www 1881: # ------------------------------------------------------------ Save spreadsheet
1882: sub writesheet {
1.119 matthew 1883: my ($sheet,$makedef)=@_;
1884: my $cid=$sheet->{'cid'};
1.104 matthew 1885: if (&Apache::lonnet::allowed('opa',$cid)) {
1.119 matthew 1886: my %f=&getformulas($sheet);
1887: my $stype= $sheet->{'sheettype'};
1888: my $cnum = $sheet->{'cnum'};
1889: my $cdom = $sheet->{'cdom'};
1890: my $chome= $sheet->{'chome'};
1891: my $fn = $sheet->{'filename'};
1.104 matthew 1892: # Cache new sheet
1893: $spreadsheets{$cnum.'_'.$cdom.'_'.$stype.'_'.$fn}=join('___;___',%f);
1894: # Write sheet
1895: foreach (keys(%f)) {
1.131 matthew 1896: delete($f{$_}) if ($f{$_} eq 'import');
1.104 matthew 1897: }
1.131 matthew 1898: my $reply = &Apache::lonnet::put($fn,\%f,$cdom,$cnum);
1.104 matthew 1899: if ($reply eq 'ok') {
1.131 matthew 1900: $reply = &Apache::lonnet::put($stype.'_spreadsheets',
1901: {$fn => $ENV{'user.name'}.'@'.$ENV{'user.domain'}},
1902: $cdom,$cnum);
1.104 matthew 1903: if ($reply eq 'ok') {
1904: if ($makedef) {
1.131 matthew 1905: return &Apache::lonnet::put('environment',
1906: {'spreadsheet_default_'.$stype => $fn },
1907: $cdom,$cnum);
1.104 matthew 1908: }
1909: return $reply;
1910: }
1911: return $reply;
1912: }
1913: return $reply;
1914: }
1915: return 'unauthorized';
1.19 www 1916: }
1917:
1.10 www 1918: # ----------------------------------------------- Make a temp copy of the sheet
1.28 www 1919: # "Modified workcopy" - interactive only
1920: #
1.10 www 1921: sub tmpwrite {
1.119 matthew 1922: my ($sheet) = @_;
1.28 www 1923: my $fn=$ENV{'user.name'}.'_'.
1.119 matthew 1924: $ENV{'user.domain'}.'_spreadsheet_'.$sheet->{'usymb'}.'_'.
1925: $sheet->{'filename'};
1.10 www 1926: $fn=~s/\W/\_/g;
1927: $fn=$tmpdir.$fn.'.tmp';
1928: my $fh;
1929: if ($fh=Apache::File->new('>'.$fn)) {
1.119 matthew 1930: print $fh join("\n",&getformulas($sheet));
1.10 www 1931: }
1932: }
1933:
1934: # ---------------------------------------------------------- Read the temp copy
1935: sub tmpread {
1.119 matthew 1936: my ($sheet,$nfield,$nform)=@_;
1.28 www 1937: my $fn=$ENV{'user.name'}.'_'.
1.119 matthew 1938: $ENV{'user.domain'}.'_spreadsheet_'.$sheet->{'usymb'}.'_'.
1939: $sheet->{'filename'};
1.10 www 1940: $fn=~s/\W/\_/g;
1941: $fn=$tmpdir.$fn.'.tmp';
1942: my $fh;
1943: my %fo=();
1.92 www 1944: my $countrows=0;
1.10 www 1945: if ($fh=Apache::File->new($fn)) {
1946: my $name;
1947: while ($name=<$fh>) {
1948: chomp($name);
1949: my $value=<$fh>;
1950: chomp($value);
1951: $fo{$name}=$value;
1.93 www 1952: if ($name=~/^A(\d+)$/) {
1953: if ($1>$countrows) {
1954: $countrows=$1;
1955: }
1956: }
1.10 www 1957: }
1958: }
1.55 www 1959: if ($nform eq 'changesheet') {
1.128 matthew 1960: $fo{'A'.$nfield}=(split(/__&&&\__/,$fo{'A'.$nfield}))[0];
1.55 www 1961: unless ($ENV{'form.sel_'.$nfield} eq 'Default') {
1.57 www 1962: $fo{'A'.$nfield}.='__&&&__'.$ENV{'form.sel_'.$nfield};
1.55 www 1963: }
1.92 www 1964: } elsif ($nfield eq 'insertrow') {
1.93 www 1965: $countrows++;
1.95 www 1966: my $newrow=substr('000000'.$countrows,-7);
1.92 www 1967: if ($nform eq 'top') {
1.94 www 1968: $fo{'A'.$countrows}='--- '.$newrow;
1.92 www 1969: } else {
1.94 www 1970: $fo{'A'.$countrows}='~~~ '.$newrow;
1.92 www 1971: }
1.55 www 1972: } else {
1973: if ($nfield) { $fo{$nfield}=$nform; }
1974: }
1.124 matthew 1975: $sheet->{'f'}=\%fo;
1976: &setformulas($sheet);
1.10 www 1977: }
1978:
1.104 matthew 1979: ##################################################
1980: ##################################################
1.11 www 1981:
1.104 matthew 1982: =pod
1.11 www 1983:
1.104 matthew 1984: =item &parmval()
1.11 www 1985:
1.104 matthew 1986: Determine the value of a parameter.
1.11 www 1987:
1.119 matthew 1988: Inputs: $what, the parameter needed, $sheet, the safe space
1.11 www 1989:
1.104 matthew 1990: Returns: The value of a parameter, or '' if none.
1.11 www 1991:
1.104 matthew 1992: This function cascades through the possible levels searching for a value for
1993: a parameter. The levels are checked in the following order:
1994: user, course (at section level and course level), map, and lonnet::metadata.
1995: This function uses %parmhash, which must be tied prior to calling it.
1996: This function also requires %courseopt and %useropt to be initialized for
1997: this user and course.
1.11 www 1998:
1.104 matthew 1999: =cut
1.11 www 2000:
1.104 matthew 2001: ##################################################
2002: ##################################################
2003: sub parmval {
1.119 matthew 2004: my ($what,$sheet)=@_;
2005: my $symb = $sheet->{'usymb'};
1.104 matthew 2006: unless ($symb) { return ''; }
2007: #
1.119 matthew 2008: my $cid = $sheet->{'cid'};
2009: my $csec = $sheet->{'csec'};
2010: my $uname = $sheet->{'uname'};
2011: my $udom = $sheet->{'udom'};
1.104 matthew 2012: my $result='';
2013: #
2014: my ($mapname,$id,$fn)=split(/\_\_\_/,$symb);
2015: # Cascading lookup scheme
2016: my $rwhat=$what;
2017: $what =~ s/^parameter\_//;
2018: $what =~ s/\_([^\_]+)$/\.$1/;
2019: #
2020: my $symbparm = $symb.'.'.$what;
2021: my $mapparm = $mapname.'___(all).'.$what;
2022: my $usercourseprefix = $uname.'_'.$udom.'_'.$cid;
2023: #
2024: my $seclevel = $usercourseprefix.'.['.$csec.'].'.$what;
2025: my $seclevelr = $usercourseprefix.'.['.$csec.'].'.$symbparm;
2026: my $seclevelm = $usercourseprefix.'.['.$csec.'].'.$mapparm;
2027: #
2028: my $courselevel = $usercourseprefix.'.'.$what;
2029: my $courselevelr = $usercourseprefix.'.'.$symbparm;
2030: my $courselevelm = $usercourseprefix.'.'.$mapparm;
2031: # fourth, check user
1.115 albertel 2032: if (defined($uname)) {
2033: return $useropt{$courselevelr} if (defined($useropt{$courselevelr}));
2034: return $useropt{$courselevelm} if (defined($useropt{$courselevelm}));
2035: return $useropt{$courselevel} if (defined($useropt{$courselevel}));
1.104 matthew 2036: }
2037: # third, check course
1.115 albertel 2038: if (defined($csec)) {
2039: return $courseopt{$seclevelr} if (defined($courseopt{$seclevelr}));
2040: return $courseopt{$seclevelm} if (defined($courseopt{$seclevelm}));
2041: return $courseopt{$seclevel} if (defined($courseopt{$seclevel}));
1.104 matthew 2042: }
2043: #
1.115 albertel 2044: return $courseopt{$courselevelr} if (defined($courseopt{$courselevelr}));
2045: return $courseopt{$courselevelm} if (defined($courseopt{$courselevelm}));
2046: return $courseopt{$courselevel} if (defined($courseopt{$courselevel}));
1.104 matthew 2047: # second, check map parms
2048: my $thisparm = $parmhash{$symbparm};
1.115 albertel 2049: return $thisparm if (defined($thisparm));
1.104 matthew 2050: # first, check default
2051: return &Apache::lonnet::metadata($fn,$rwhat.'.default');
1.11 www 2052: }
2053:
1.133 matthew 2054:
2055: ##################################################################
2056: ## Row label formatting routines ##
2057: ##################################################################
2058: sub format_html_rowlabel {
1.149 matthew 2059: my $sheet = shift;
1.133 matthew 2060: my $rowlabel = shift;
2061: return '' if ($rowlabel eq '');
2062: my ($type,$labeldata) = split(':',$rowlabel,2);
2063: my $result = '';
2064: if ($type eq 'symb') {
1.149 matthew 2065: my ($symb,$mapid,$resid,$title) = split(':',$labeldata);
1.133 matthew 2066: $symb = &Apache::lonnet::unescape($symb);
2067: $result = '<a href="/adm/assesscalc?usymb='.$symb.
1.149 matthew 2068: '&uname='.$sheet->{'uname'}.'&udom='.$sheet->{'udom'}.
1.139 matthew 2069: '&mapid='.$mapid.'&resid='.$resid.'">'.$title.'</a>';
1.133 matthew 2070: } elsif ($type eq 'student') {
2071: my ($sname,$sdom,$fullname,$section,$id) = split(':',$labeldata);
1.148 matthew 2072: if ($fullname =~ /^\s*$/) {
2073: $fullname = $sname.'@'.$sdom;
2074: }
1.133 matthew 2075: $result ='<a href="/adm/studentcalc?uname='.$sname.
2076: '&udom='.$sdom.'">';
2077: $result.=$section.' '.$id." ".$fullname.'</a>';
2078: } elsif ($type eq 'parameter') {
2079: $result = $labeldata;
2080: } else {
2081: $result = '<b><font size=+1>'.$rowlabel.'</font></b>';
2082: }
2083: return $result;
2084: }
2085:
2086: sub format_csv_rowlabel {
1.149 matthew 2087: my $sheet = shift;
1.133 matthew 2088: my $rowlabel = shift;
2089: return '' if ($rowlabel eq '');
2090: my ($type,$labeldata) = split(':',$rowlabel,2);
2091: my $result = '';
2092: if ($type eq 'symb') {
1.149 matthew 2093: my ($symb,$mapid,$resid,$title) = split(':',$labeldata);
1.133 matthew 2094: $symb = &Apache::lonnet::unescape($symb);
2095: $result = $title;
2096: } elsif ($type eq 'student') {
2097: my ($sname,$sdom,$fullname,$section,$id) = split(':',$labeldata);
2098: $result = join('","',($sname,$sdom,$fullname,$section,$id));
2099: } elsif ($type eq 'parameter') {
2100: $labeldata =~ s/<br>/ /g;
2101: $result = $labeldata;
2102: } else {
2103: $result = $rowlabel;
2104: }
2105: return '"'.$result.'"';
2106: }
2107:
1.134 matthew 2108: sub format_excel_rowlabel {
1.149 matthew 2109: my $sheet = shift;
1.125 matthew 2110: my $rowlabel = shift;
1.132 matthew 2111: return '' if ($rowlabel eq '');
1.125 matthew 2112: my ($type,$labeldata) = split(':',$rowlabel,2);
2113: my $result = '';
2114: if ($type eq 'symb') {
1.149 matthew 2115: my ($symb,$mapid,$resid,$title) = split(':',$labeldata);
1.125 matthew 2116: $symb = &Apache::lonnet::unescape($symb);
1.133 matthew 2117: $result = $title;
1.125 matthew 2118: } elsif ($type eq 'student') {
2119: my ($sname,$sdom,$fullname,$section,$id) = split(':',$labeldata);
1.134 matthew 2120: $section = '' if (! defined($section));
2121: $id = '' if (! defined($id));
2122: my @Data = ($sname,$sdom,$fullname,$section,$id);
2123: $result = \@Data;
1.125 matthew 2124: } elsif ($type eq 'parameter') {
1.133 matthew 2125: $labeldata =~ s/<br>/ /g;
1.127 matthew 2126: $result = $labeldata;
1.125 matthew 2127: } else {
1.133 matthew 2128: $result = $rowlabel;
1.125 matthew 2129: }
2130: return $result;
2131: }
2132:
1.23 www 2133: # ---------------------------------------------- Update rows for course listing
1.28 www 2134: sub updateclasssheet {
1.119 matthew 2135: my ($sheet) = @_;
2136: my $cnum =$sheet->{'cnum'};
2137: my $cdom =$sheet->{'cdom'};
2138: my $cid =$sheet->{'cid'};
2139: my $chome =$sheet->{'chome'};
1.102 matthew 2140: #
1.113 matthew 2141: %Section = ();
2142: #
1.102 matthew 2143: # Read class list and row labels
1.118 matthew 2144: my $classlist = &Apache::loncoursedata::get_classlist();
2145: if (! defined($classlist)) {
2146: return 'Could not access course classlist';
2147: }
1.102 matthew 2148: #
1.23 www 2149: my %currentlist=();
1.118 matthew 2150: foreach my $student (keys(%$classlist)) {
2151: my ($studentDomain,$studentName,$end,$start,$id,$studentSection,
2152: $fullname,$status) = @{$classlist->{$student}};
1.139 matthew 2153: $Section{$studentName.':'.$studentDomain} = $studentSection;
1.118 matthew 2154: if ($ENV{'form.Status'} eq $status || $ENV{'form.Status'} eq 'Any') {
1.125 matthew 2155: $currentlist{$student}=join(':',('student',$studentName,
2156: $studentDomain,$fullname,
2157: $studentSection,$id));
1.118 matthew 2158: }
2159: }
1.102 matthew 2160: #
2161: # Find discrepancies between the course row table and this
2162: #
1.119 matthew 2163: my %f=&getformulas($sheet);
1.102 matthew 2164: my $changed=0;
2165: #
1.119 matthew 2166: $sheet->{'maxrow'}=0;
1.102 matthew 2167: my %existing=();
2168: #
2169: # Now obsolete rows
2170: foreach (keys(%f)) {
2171: if ($_=~/^A(\d+)/) {
1.119 matthew 2172: if ($1 > $sheet->{'maxrow'}) {
2173: $sheet->{'maxrow'}= $1;
2174: }
1.102 matthew 2175: $existing{$f{$_}}=1;
2176: unless ((defined($currentlist{$f{$_}})) || (!$1) ||
1.120 matthew 2177: ($f{$_}=~/^(~~~|---)/)) {
1.102 matthew 2178: $f{$_}='!!! Obsolete';
2179: $changed=1;
1.23 www 2180: }
1.78 matthew 2181: }
1.102 matthew 2182: }
2183: #
2184: # New and unknown keys
1.128 matthew 2185: foreach my $student (sort keys(%currentlist)) {
2186: unless ($existing{$student}) {
1.102 matthew 2187: $changed=1;
1.119 matthew 2188: $sheet->{'maxrow'}++;
1.128 matthew 2189: $f{'A'.$sheet->{'maxrow'}}=$student;
1.78 matthew 2190: }
1.23 www 2191: }
1.119 matthew 2192: if ($changed) {
1.124 matthew 2193: $sheet->{'f'} = \%f;
2194: &setformulas($sheet,%f);
1.119 matthew 2195: }
1.102 matthew 2196: #
1.125 matthew 2197: &setrowlabels($sheet,\%currentlist);
1.23 www 2198: }
1.5 www 2199:
1.28 www 2200: # ----------------------------------- Update rows for student and assess sheets
1.136 matthew 2201: sub get_student_rowlabels {
2202: my ($sheet) = @_;
2203: #
2204: my %course_db;
2205: #
2206: my $stype = $sheet->{'sheettype'};
2207: my $uname = $sheet->{'uname'};
2208: my $udom = $sheet->{'udom'};
2209: #
2210: $sheet->{'rowlabel'} = {};
2211: #
2212: my $identifier =$sheet->{'coursefilename'}.'_'.$stype;
2213: if ($rowlabel_cache{$identifier}) {
2214: %{$sheet->{'rowlabel'}}=split(/___;___/,$rowlabel_cache{$identifier});
2215: } else {
2216: # Get the data and store it in the cache
2217: # Tie hash
2218: tie(%course_db,'GDBM_File',$sheet->{'coursefilename'}.'.db',
2219: &GDBM_READER(),0640);
2220: if (! tied(%course_db)) {
2221: return 'Could not access course data';
2222: }
2223: #
2224: my %assesslist;
2225: foreach ('Feedback','Evaluation','Tutoring','Discussion') {
2226: my $symb = '_'.lc($_);
1.149 matthew 2227: $assesslist{$symb} = join(':',('symb',$symb,0,0,$_));
1.136 matthew 2228: }
2229: #
2230: while (my ($key,$srcf) = each(%course_db)) {
2231: next if ($key !~ /^src_(\d+)\.(\d+)$/);
2232: my $mapid = $1;
2233: my $resid = $2;
2234: my $id = $mapid.'.'.$resid;
2235: if ($srcf=~/\.(problem|exam|quiz|assess|survey|form)$/) {
2236: my $symb=
2237: &Apache::lonnet::declutter($course_db{'map_id_'.$mapid}).
2238: '___'.$resid.'___'.&Apache::lonnet::declutter($srcf);
2239: $assesslist{$symb}='symb:'.&Apache::lonnet::escape($symb).':'
1.149 matthew 2240: .$mapid.':'.$resid.':'.$course_db{'title_'.$id};
1.136 matthew 2241: }
2242: }
2243: untie(%course_db);
2244: # Store away the data
2245: $sheet->{'rowlabel'} = \%assesslist;
2246: $rowlabel_cache{$identifier}=join('___;___',%{$sheet->{'rowlabel'}});
2247: }
2248:
2249: }
2250:
2251: sub get_assess_rowlabels {
1.119 matthew 2252: my ($sheet) = @_;
1.128 matthew 2253: #
1.136 matthew 2254: my %course_db;
1.128 matthew 2255: #
2256: my $stype = $sheet->{'sheettype'};
2257: my $uname = $sheet->{'uname'};
2258: my $udom = $sheet->{'udom'};
1.136 matthew 2259: my $usymb = $sheet->{'usymb'};
2260: #
1.119 matthew 2261: $sheet->{'rowlabel'} = {};
1.136 matthew 2262: my $identifier =$sheet->{'coursefilename'}.'_'.$stype.'_'.$usymb;
2263: #
2264: if ($rowlabel_cache{$identifier}) {
2265: %{$sheet->{'rowlabel'}}=split(/___;___/,$rowlabel_cache{$identifier});
1.104 matthew 2266: } else {
1.136 matthew 2267: # Get the data and store it in the cache
1.104 matthew 2268: # Tie hash
1.136 matthew 2269: tie(%course_db,'GDBM_File',$sheet->{'coursefilename'}.'.db',
1.104 matthew 2270: &GDBM_READER(),0640);
1.136 matthew 2271: if (! tied(%course_db)) {
1.104 matthew 2272: return 'Could not access course data';
2273: }
1.125 matthew 2274: #
1.128 matthew 2275: my %parameter_labels=
2276: ('timestamp' =>
2277: 'parameter:Timestamp of Last Transaction<br>timestamp',
2278: 'subnumber' =>
2279: 'parameter:Number of Submissions<br>subnumber',
2280: 'tutornumber' =>
2281: 'parameter:Number of Tutor Responses<br>tutornumber',
2282: 'totalpoints' =>
2283: 'parameter:Total Points Granted<br>totalpoints');
1.136 matthew 2284: while (my ($key,$srcf) = each(%course_db)) {
2285: next if ($key !~ /^src_(\d+)\.(\d+)$/);
2286: my $mapid = $1;
2287: my $resid = $2;
2288: my $id = $mapid.'.'.$resid;
1.104 matthew 2289: if ($srcf=~/\.(problem|exam|quiz|assess|survey|form)$/) {
1.136 matthew 2290: # Loop through the metadata for this key
2291: my @Metadata = split(/,/,
2292: &Apache::lonnet::metadata($srcf,'keys'));
2293: foreach my $key (@Metadata) {
1.104 matthew 2294: next if ($key !~ /^(stores|parameter)_/);
2295: my $display=
2296: &Apache::lonnet::metadata($srcf,$key.'.display');
2297: unless ($display) {
2298: $display.=
2299: &Apache::lonnet::metadata($srcf,$key.'.name');
2300: }
2301: $display.='<br>'.$key;
1.128 matthew 2302: $parameter_labels{$key}='parameter:'.$display;
1.104 matthew 2303: } # end of foreach
2304: }
1.136 matthew 2305: }
2306: untie(%course_db);
2307: # Store away the results
2308: $sheet->{'rowlabel'} = \%parameter_labels;
2309: $rowlabel_cache{$identifier}=join('___;___',%{$sheet->{'rowlabel'}});
2310: }
2311:
2312: }
2313:
2314: sub updatestudentassesssheet {
2315: my $sheet = shift;
2316: if ($sheet->{'sheettype'} eq 'studentcalc') {
2317: &get_student_rowlabels($sheet);
2318: } else {
2319: &get_assess_rowlabels($sheet);
1.35 www 2320: }
1.136 matthew 2321: # Determine if any of the information has changed
1.119 matthew 2322: my %f=&getformulas($sheet);
1.104 matthew 2323: my $changed=0;
2324:
1.119 matthew 2325: $sheet->{'maxrow'} = 0;
1.104 matthew 2326: my %existing=();
2327: # Now obsolete rows
1.147 matthew 2328: foreach my $cell (keys(%f)) {
2329: my $formula = $f{$cell};
1.136 matthew 2330: next if ($cell !~ /^A(\d+)/);
2331: $sheet->{'maxrow'} = $1 if ($1 > $sheet->{'maxrow'});
2332: my ($usy,$ufn)=split(/__&&&\__/,$formula);
1.104 matthew 2333: $existing{$usy}=1;
1.119 matthew 2334: unless ((exists($sheet->{'rowlabel'}->{$usy}) &&
2335: (defined($sheet->{'rowlabel'}->{$usy})) || (!$1) ||
1.136 matthew 2336: ($formula =~ /^(~~~|---)/) )) {
1.104 matthew 2337: $f{$_}='!!! Obsolete';
2338: $changed=1;
2339: } elsif ($ufn) {
1.136 matthew 2340: # I do not think this works any more
1.119 matthew 2341: $sheet->{'rowlabel'}->{$usy}
1.136 matthew 2342: =~s/assesscalc\?usymb\=/assesscalc\?ufn\=$ufn&\usymb\=/;
1.104 matthew 2343: }
1.35 www 2344: }
1.104 matthew 2345: # New and unknown keys
1.119 matthew 2346: foreach (keys(%{$sheet->{'rowlabel'}})) {
1.104 matthew 2347: unless ($existing{$_}) {
2348: $changed=1;
1.119 matthew 2349: $sheet->{'maxrow'}++;
2350: $f{'A'.$sheet->{'maxrow'}}=$_;
1.78 matthew 2351: }
1.104 matthew 2352: }
1.119 matthew 2353: if ($changed) {
1.124 matthew 2354: $sheet->{'f'} = \%f;
2355: &setformulas($sheet);
1.119 matthew 2356: }
1.5 www 2357: }
1.3 www 2358:
1.24 www 2359: # ------------------------------------------------ Load data for one assessment
1.16 www 2360:
1.135 matthew 2361: sub loadstudent{
1.140 matthew 2362: my ($sheet,$r,$c)=@_;
2363: my %constants=();
2364: my %formulas=&getformulas($sheet);
1.119 matthew 2365: $cachedassess=$sheet->{'uname'}.':'.$sheet->{'udom'};
1.102 matthew 2366: # Get ALL the student preformance data
1.119 matthew 2367: my @tmp = &Apache::lonnet::dump($sheet->{'cid'},
2368: $sheet->{'udom'},
2369: $sheet->{'uname'},
1.102 matthew 2370: undef);
2371: if ($tmp[0] !~ /^error:/) {
2372: %cachedstores = @tmp;
1.39 www 2373: }
1.102 matthew 2374: undef @tmp;
2375: #
1.36 www 2376: my @assessdata=();
1.145 matthew 2377: foreach my $cell (keys(%formulas)) {
2378: my $value = $formulas{$cell};
1.140 matthew 2379: if(defined($c) && ($c->aborted())) {
2380: last;
2381: }
1.136 matthew 2382: next if ($cell !~ /^A(\d+)/);
1.104 matthew 2383: my $row=$1;
1.136 matthew 2384: next if (($value =~ /^[!~-]/) || ($row==0));
2385: my ($usy,$ufn)=split(/__&&&\__/,$value);
1.128 matthew 2386: @assessdata=&exportsheet($sheet,$sheet->{'uname'},
1.119 matthew 2387: $sheet->{'udom'},
1.140 matthew 2388: 'assesscalc',$usy,$ufn,$r);
1.104 matthew 2389: my $index=0;
1.145 matthew 2390: foreach my $col ('A','B','C','D','E','F','G','H','I','J','K','L','M',
2391: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z') {
1.136 matthew 2392: if (defined($assessdata[$index])) {
1.104 matthew 2393: if ($assessdata[$index]=~/\D/) {
1.140 matthew 2394: $constants{$col.$row}="'".$assessdata[$index]."'";
1.104 matthew 2395: } else {
1.140 matthew 2396: $constants{$col.$row}=$assessdata[$index];
1.104 matthew 2397: }
1.145 matthew 2398: $formulas{$col.$row}='import' if ($col ne 'A');
1.104 matthew 2399: }
2400: $index++;
1.16 www 2401: }
1.78 matthew 2402: }
1.39 www 2403: $cachedassess='';
2404: undef %cachedstores;
1.140 matthew 2405: $sheet->{'f'} = \%formulas;
1.124 matthew 2406: &setformulas($sheet);
1.140 matthew 2407: &setconstants($sheet,\%constants);
1.16 www 2408: }
2409:
1.24 www 2410: # --------------------------------------------------- Load data for one student
1.109 matthew 2411: #
1.30 www 2412: sub loadcourse {
1.140 matthew 2413: my ($sheet,$r,$c)=@_;
1.135 matthew 2414: #
1.140 matthew 2415: my %constants=();
2416: my %formulas=&getformulas($sheet);
1.135 matthew 2417: #
1.37 www 2418: my $total=0;
1.140 matthew 2419: foreach (keys(%formulas)) {
1.37 www 2420: if ($_=~/^A(\d+)/) {
1.140 matthew 2421: unless ($formulas{$_}=~/^[\!\~\-]/) { $total++; }
1.37 www 2422: }
1.78 matthew 2423: }
1.37 www 2424: my $now=0;
2425: my $since=time;
1.39 www 2426: $r->print(<<ENDPOP);
2427: <script>
2428: popwin=open('','popwin','width=400,height=100');
2429: popwin.document.writeln('<html><body bgcolor="#FFFFFF">'+
1.50 www 2430: '<h3>Spreadsheet Calculation Progress</h3>'+
1.39 www 2431: '<form name=popremain>'+
2432: '<input type=text size=35 name=remaining value=Starting></form>'+
2433: '</body></html>');
1.42 www 2434: popwin.document.close();
1.39 www 2435: </script>
2436: ENDPOP
1.37 www 2437: $r->rflush();
1.140 matthew 2438: foreach (keys(%formulas)) {
2439: if(defined($c) && ($c->aborted())) {
2440: last;
2441: }
1.104 matthew 2442: next if ($_!~/^A(\d+)/);
2443: my $row=$1;
1.140 matthew 2444: next if (($formulas{$_}=~/^[\!\~\-]/) || ($row==0));
2445: my ($sname,$sdom) = split(':',$formulas{$_});
2446: my @studentdata=&exportsheet($sheet,$sname,$sdom,'studentcalc',
2447: undef,undef,$r);
1.104 matthew 2448: undef %userrdatas;
2449: $now++;
2450: $r->print('<script>popwin.document.popremain.remaining.value="'.
1.37 www 2451: $now.'/'.$total.': '.int((time-$since)/$now*($total-$now)).
1.104 matthew 2452: ' secs remaining";</script>');
2453: $r->rflush();
2454: #
2455: my $index=0;
2456: foreach ('A','B','C','D','E','F','G','H','I','J','K','L','M',
2457: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z') {
1.132 matthew 2458: if (defined($studentdata[$index])) {
1.104 matthew 2459: my $col=$_;
2460: if ($studentdata[$index]=~/\D/) {
1.140 matthew 2461: $constants{$col.$row}="'".$studentdata[$index]."'";
1.104 matthew 2462: } else {
1.140 matthew 2463: $constants{$col.$row}=$studentdata[$index];
1.104 matthew 2464: }
2465: unless ($col eq 'A') {
1.140 matthew 2466: $formulas{$col.$row}='import';
1.104 matthew 2467: }
1.132 matthew 2468: }
2469: $index++;
1.24 www 2470: }
1.78 matthew 2471: }
1.140 matthew 2472: $sheet->{'f'}=\%formulas;
1.124 matthew 2473: &setformulas($sheet);
1.140 matthew 2474: &setconstants($sheet,\%constants);
1.43 www 2475: $r->print('<script>popwin.close()</script>');
1.37 www 2476: $r->rflush();
1.24 www 2477: }
2478:
1.6 www 2479: # ------------------------------------------------ Load data for one assessment
1.109 matthew 2480: #
1.29 www 2481: sub loadassessment {
1.140 matthew 2482: my ($sheet,$r,$c)=@_;
1.29 www 2483:
1.119 matthew 2484: my $uhome = $sheet->{'uhome'};
2485: my $uname = $sheet->{'uname'};
2486: my $udom = $sheet->{'udom'};
2487: my $symb = $sheet->{'usymb'};
2488: my $cid = $sheet->{'cid'};
2489: my $cnum = $sheet->{'cnum'};
2490: my $cdom = $sheet->{'cdom'};
2491: my $chome = $sheet->{'chome'};
1.29 www 2492:
1.6 www 2493: my $namespace;
1.29 www 2494: unless ($namespace=$cid) { return ''; }
1.104 matthew 2495: # Get stored values
2496: my %returnhash=();
2497: if ($cachedassess eq $uname.':'.$udom) {
2498: #
2499: # get data out of the dumped stores
2500: #
2501: my $version=$cachedstores{'version:'.$symb};
2502: my $scope;
2503: for ($scope=1;$scope<=$version;$scope++) {
2504: foreach (split(/\:/,$cachedstores{$scope.':keys:'.$symb})) {
2505: $returnhash{$_}=$cachedstores{$scope.':'.$symb.':'.$_};
2506: }
2507: }
2508: } else {
2509: #
2510: # restore individual
2511: #
1.109 matthew 2512: %returnhash = &Apache::lonnet::restore($symb,$namespace,$udom,$uname);
2513: for (my $version=1;$version<=$returnhash{'version'};$version++) {
1.104 matthew 2514: foreach (split(/\:/,$returnhash{$version.':keys'})) {
2515: $returnhash{$_}=$returnhash{$version.':'.$_};
2516: }
2517: }
1.6 www 2518: }
1.109 matthew 2519: #
1.104 matthew 2520: # returnhash now has all stores for this resource
2521: # convert all "_" to "." to be able to use libraries, multiparts, etc
1.109 matthew 2522: #
2523: # This is dumb. It is also necessary :(
1.76 www 2524: my @oldkeys=keys %returnhash;
1.109 matthew 2525: #
1.116 matthew 2526: foreach my $name (@oldkeys) {
2527: my $value=$returnhash{$name};
2528: delete $returnhash{$name};
1.76 www 2529: $name=~s/\_/\./g;
2530: $returnhash{$name}=$value;
1.78 matthew 2531: }
1.104 matthew 2532: # initialize coursedata and userdata for this user
1.31 www 2533: undef %courseopt;
2534: undef %useropt;
1.29 www 2535:
2536: my $userprefix=$uname.'_'.$udom.'_';
1.116 matthew 2537:
1.11 www 2538: unless ($uhome eq 'no_host') {
1.104 matthew 2539: # Get coursedata
1.105 matthew 2540: unless ((time-$courserdatas{$cid.'.last_cache'})<240) {
1.116 matthew 2541: my %Tmp = &Apache::lonnet::dump('resourcedata',$cdom,$cnum);
2542: $courserdatas{$cid}=\%Tmp;
2543: $courserdatas{$cid.'.last_cache'}=time;
1.105 matthew 2544: }
1.116 matthew 2545: while (my ($name,$value) = each(%{$courserdatas{$cid}})) {
2546: $courseopt{$userprefix.$name}=$value;
1.104 matthew 2547: }
2548: # Get userdata (if present)
1.116 matthew 2549: unless ((time-$userrdatas{$uname.'@'.$udom.'.last_cache'})<240) {
2550: my %Tmp = &Apache::lonnet::dump('resourcedata',$udom,$uname);
2551: $userrdatas{$cid} = \%Tmp;
1.114 matthew 2552: # Most of the time the user does not have a 'resourcedata.db'
2553: # file. We need to cache that we got nothing instead of bothering
2554: # with requesting it every time.
1.116 matthew 2555: $userrdatas{$uname.'@'.$udom.'.last_cache'}=time;
1.109 matthew 2556: }
1.116 matthew 2557: while (my ($name,$value) = each(%{$userrdatas{$cid}})) {
2558: $useropt{$userprefix.$name}=$value;
1.104 matthew 2559: }
1.29 www 2560: }
1.104 matthew 2561: # now courseopt, useropt initialized for this user and course
2562: # (used by parmval)
2563: #
2564: # Load keys for this assessment only
2565: #
1.60 www 2566: my %thisassess=();
2567: my ($symap,$syid,$srcf)=split(/\_\_\_/,$symb);
1.78 matthew 2568: foreach (split(/\,/,&Apache::lonnet::metadata($srcf,'keys'))) {
1.60 www 2569: $thisassess{$_}=1;
1.78 matthew 2570: }
1.104 matthew 2571: #
2572: # Load parameters
2573: #
2574: my %c=();
2575: if (tie(%parmhash,'GDBM_File',
1.119 matthew 2576: $sheet->{'coursefilename'}.'_parms.db',&GDBM_READER(),0640)) {
2577: my %f=&getformulas($sheet);
1.125 matthew 2578: foreach my $cell (keys(%f)) {
2579: next if ($cell !~ /^A/);
2580: next if ($f{$cell} =~/^[\!\~\-]/);
2581: if ($f{$cell}=~/^parameter/) {
2582: if (defined($thisassess{$f{$cell}})) {
2583: my $val = &parmval($f{$cell},$sheet);
2584: $c{$cell} = $val;
2585: $c{$f{$cell}} = $val;
1.104 matthew 2586: }
2587: } else {
1.125 matthew 2588: my $key=$f{$cell};
1.104 matthew 2589: my $ckey=$key;
2590: $key=~s/^stores\_/resource\./;
2591: $key=~s/\_/\./g;
1.125 matthew 2592: $c{$cell}=$returnhash{$key};
1.104 matthew 2593: $c{$ckey}=$returnhash{$key};
2594: }
1.6 www 2595: }
1.104 matthew 2596: untie(%parmhash);
1.78 matthew 2597: }
1.122 matthew 2598: &setconstants($sheet,\%c);
1.6 www 2599: }
2600:
1.10 www 2601: # --------------------------------------------------------- Various form fields
2602:
2603: sub textfield {
2604: my ($title,$name,$value)=@_;
2605: return "\n<p><b>$title:</b><br>".
1.104 matthew 2606: '<input type=text name="'.$name.'" size=80 value="'.$value.'">';
1.10 www 2607: }
2608:
2609: sub hiddenfield {
2610: my ($name,$value)=@_;
2611: return "\n".'<input type=hidden name="'.$name.'" value="'.$value.'">';
2612: }
2613:
2614: sub selectbox {
2615: my ($title,$name,$value,%options)=@_;
2616: my $selout="\n<p><b>$title:</b><br>".'<select name="'.$name.'">';
1.78 matthew 2617: foreach (sort keys(%options)) {
1.10 www 2618: $selout.='<option value="'.$_.'"';
2619: if ($_ eq $value) { $selout.=' selected'; }
2620: $selout.='>'.$options{$_}.'</option>';
1.78 matthew 2621: }
1.10 www 2622: return $selout.'</select>';
2623: }
2624:
1.28 www 2625: # =============================================== Update information in a sheet
2626: #
2627: # Add new users or assessments, etc.
2628: #
2629:
2630: sub updatesheet {
1.119 matthew 2631: my ($sheet)=@_;
1.136 matthew 2632: if ($sheet->{'sheettype'} eq 'classcalc') {
1.119 matthew 2633: return &updateclasssheet($sheet);
1.28 www 2634: } else {
1.119 matthew 2635: return &updatestudentassesssheet($sheet);
1.28 www 2636: }
2637: }
2638:
2639: # =================================================== Load the rows for a sheet
2640: #
2641: # Import the data for rows
2642: #
2643:
1.37 www 2644: sub loadrows {
1.119 matthew 2645: my ($sheet,$r)=@_;
1.140 matthew 2646: my $c = $r->connection;
1.119 matthew 2647: my $stype=$sheet->{'sheettype'};
1.28 www 2648: if ($stype eq 'classcalc') {
1.140 matthew 2649: &loadcourse($sheet,$r,$c);
1.28 www 2650: } elsif ($stype eq 'studentcalc') {
1.140 matthew 2651: &loadstudent($sheet,$r,$c);
1.28 www 2652: } else {
1.140 matthew 2653: &loadassessment($sheet,$r,$c);
1.28 www 2654: }
2655: }
2656:
1.47 www 2657: # ======================================================= Forced recalculation?
2658:
2659: sub checkthis {
2660: my ($keyname,$time)=@_;
1.144 matthew 2661: if (! exists($expiredates{$keyname})) {
2662: return 0;
2663: } else {
2664: return ($time<$expiredates{$keyname});
2665: }
1.47 www 2666: }
1.104 matthew 2667:
1.47 www 2668: sub forcedrecalc {
2669: my ($uname,$udom,$stype,$usymb)=@_;
2670: my $key=$uname.':'.$udom.':'.$stype.':'.$usymb;
2671: my $time=$oldsheets{$key.'.time'};
1.53 www 2672: if ($ENV{'form.forcerecalc'}) { return 1; }
1.47 www 2673: unless ($time) { return 1; }
2674: if ($stype eq 'assesscalc') {
1.120 matthew 2675: my $map=(split(/___/,$usymb))[0];
1.47 www 2676: if (&checkthis('::assesscalc:',$time) ||
2677: &checkthis('::assesscalc:'.$map,$time) ||
2678: &checkthis('::assesscalc:'.$usymb,$time) ||
1.49 www 2679: &checkthis($uname.':'.$udom.':assesscalc:',$time) ||
2680: &checkthis($uname.':'.$udom.':assesscalc:'.$map,$time) ||
2681: &checkthis($uname.':'.$udom.':assesscalc:'.$usymb,$time)) {
1.47 www 2682: return 1;
2683: }
2684: } else {
2685: if (&checkthis('::studentcalc:',$time) ||
1.51 www 2686: &checkthis($uname.':'.$udom.':studentcalc:',$time)) {
1.47 www 2687: return 1;
2688: }
2689: }
2690: return 0;
2691: }
2692:
1.28 www 2693: # ============================================================== Export handler
1.128 matthew 2694: # exportsheet
2695: # returns the export row for a spreadsheet.
2696: #
1.28 www 2697: sub exportsheet {
1.140 matthew 2698: my ($sheet,$uname,$udom,$stype,$usymb,$fn,$r)=@_;
1.145 matthew 2699: my $flag = 0;
1.128 matthew 2700: $uname = $uname || $sheet->{'uname'};
2701: $udom = $udom || $sheet->{'udom'};
2702: $stype = $stype || $sheet->{'sheettype'};
1.104 matthew 2703: my @exportarr=();
1.132 matthew 2704: if (defined($usymb) && ($usymb=~/^\_(\w+)/) &&
2705: (!defined($fn) || $fn eq '')) {
1.104 matthew 2706: $fn='default_'.$1;
2707: }
2708: #
2709: # Check if cached
2710: #
2711: my $key=$uname.':'.$udom.':'.$stype.':'.$usymb;
2712: my $found='';
2713: if ($oldsheets{$key}) {
1.120 matthew 2714: foreach (split(/___&\___/,$oldsheets{$key})) {
2715: my ($name,$value)=split(/___=___/,$_);
1.46 www 2716: if ($name eq $fn) {
1.104 matthew 2717: $found=$value;
1.46 www 2718: }
1.104 matthew 2719: }
1.46 www 2720: }
1.104 matthew 2721: unless ($found) {
1.128 matthew 2722: &cachedssheets($sheet,$uname,$udom);
1.104 matthew 2723: if ($oldsheets{$key}) {
1.120 matthew 2724: foreach (split(/___&\___/,$oldsheets{$key})) {
2725: my ($name,$value)=split(/___=___/,$_);
1.104 matthew 2726: if ($name eq $fn) {
2727: $found=$value;
2728: }
2729: }
2730: }
1.44 www 2731: }
1.104 matthew 2732: #
2733: # Check if still valid
2734: #
2735: if ($found) {
2736: if (&forcedrecalc($uname,$udom,$stype,$usymb)) {
2737: $found='';
2738: }
2739: }
2740: if ($found) {
2741: #
2742: # Return what was cached
2743: #
1.120 matthew 2744: @exportarr=split(/___;___/,$found);
2745: return @exportarr;
2746: }
2747: #
2748: # Not cached
1.135 matthew 2749: #
1.128 matthew 2750: my ($newsheet)=&makenewsheet($uname,$udom,$stype,$usymb);
2751: &readsheet($newsheet,$fn);
2752: &updatesheet($newsheet);
1.140 matthew 2753: &loadrows($newsheet,$r);
1.128 matthew 2754: &calcsheet($newsheet);
2755: @exportarr=&exportdata($newsheet);
1.131 matthew 2756: ##
2757: ## Store now
2758: ##
1.120 matthew 2759: #
1.131 matthew 2760: # load in the old value
1.120 matthew 2761: #
1.131 matthew 2762: my %currentlystored=();
1.120 matthew 2763: if ($stype eq 'studentcalc') {
1.131 matthew 2764: my @tmp = &Apache::lonnet::get('nohist_calculatedsheets',
2765: [$key],
2766: $sheet->{'cdom'},$sheet->{'cnum'});
2767: if ($tmp[0]!~/^error/) {
1.145 matthew 2768: # We only got one key, so we will access it directly.
2769: foreach (split('___&___',$tmp[1])) {
2770: my ($key,$value) = split('___=___',$_);
2771: $key = '' if (! defined($key));
2772: $currentlystored{$key} = $value;
2773: }
1.131 matthew 2774: }
2775: } else {
2776: my @tmp = &Apache::lonnet::get('nohist_calculatedsheets_'.
2777: $sheet->{'cid'},[$key],
2778: $sheet->{'udom'},$sheet->{'uname'});
2779: if ($tmp[0]!~/^error/) {
1.145 matthew 2780: # We only got one key, so we will access it directly.
2781: foreach (split('___&___',$tmp[1])) {
2782: my ($key,$value) = split('___=___',$_);
2783: $key = '' if (! defined($key));
2784: $currentlystored{$key} = $value;
2785: }
1.120 matthew 2786: }
2787: }
1.131 matthew 2788: #
2789: # Add the new line
2790: #
1.120 matthew 2791: $currentlystored{$fn}=join('___;___',@exportarr);
2792: #
1.131 matthew 2793: # Stick everything back together
2794: #
1.120 matthew 2795: my $newstore='';
2796: foreach (keys(%currentlystored)) {
2797: if ($newstore) { $newstore.='___&___'; }
2798: $newstore.=$_.'___=___'.$currentlystored{$_};
2799: }
2800: my $now=time;
1.131 matthew 2801: #
2802: # Store away the new value
2803: #
1.144 matthew 2804: my $timekey = $key.'.time';
1.120 matthew 2805: if ($stype eq 'studentcalc') {
1.144 matthew 2806: my $result = &Apache::lonnet::put('nohist_calculatedsheets',
2807: { $key => $newstore,
2808: $timekey => $now },
2809: $sheet->{'cdom'},
2810: $sheet->{'cnum'});
2811: } else {
2812: my $result = &Apache::lonnet::put('nohist_calculatedsheets_'.$sheet->{'cid'},
2813: { $key => $newstore,
2814: $timekey => $now },
2815: $sheet->{'udom'},
2816: $sheet->{'uname'});
1.78 matthew 2817: }
1.104 matthew 2818: return @exportarr;
1.44 www 2819: }
1.104 matthew 2820:
1.48 www 2821: # ============================================================ Expiration Dates
2822: #
2823: # Load previously cached student spreadsheets for this course
2824: #
1.136 matthew 2825: sub load_spreadsheet_expirationdates {
1.48 www 2826: undef %expiredates;
2827: my $cid=$ENV{'request.course.id'};
1.128 matthew 2828: my @tmp = &Apache::lonnet::dump('nohist_expirationdates',
2829: $ENV{'course.'.$cid.'.domain'},
2830: $ENV{'course.'.$cid.'.num'});
1.140 matthew 2831: if (lc($tmp[0]) !~ /^error/){
1.128 matthew 2832: %expiredates = @tmp;
1.48 www 2833: }
2834: }
1.44 www 2835:
2836: # ===================================================== Calculated sheets cache
2837: #
1.46 www 2838: # Load previously cached student spreadsheets for this course
1.44 www 2839: #
2840:
1.46 www 2841: sub cachedcsheets {
1.44 www 2842: my $cid=$ENV{'request.course.id'};
1.128 matthew 2843: my @tmp = &Apache::lonnet::dump('nohist_calculatedsheets',
2844: $ENV{'course.'.$cid.'.domain'},
2845: $ENV{'course.'.$cid.'.num'});
2846: if ($tmp[0] !~ /^error/) {
2847: my %StupidTempHash = @tmp;
2848: while (my ($key,$value) = each %StupidTempHash) {
2849: $oldsheets{$key} = $value;
1.78 matthew 2850: }
1.44 www 2851: }
1.28 www 2852: }
2853:
1.46 www 2854: # ===================================================== Calculated sheets cache
2855: #
2856: # Load previously cached assessment spreadsheets for this student
2857: #
2858:
2859: sub cachedssheets {
1.128 matthew 2860: my ($sheet,$uname,$udom) = @_;
2861: $uname = $uname || $sheet->{'uname'};
2862: $udom = $udom || $sheet->{'udom'};
1.136 matthew 2863: if (! $loadedcaches{$uname.'_'.$udom}) {
1.128 matthew 2864: my @tmp = &Apache::lonnet::dump('nohist_calculatedsheets',
2865: $sheet->{'udom'},
2866: $sheet->{'uname'});
2867: if ($tmp[0] !~ /^error/) {
1.136 matthew 2868: my %TempHash = @tmp;
2869: my $count = 0;
2870: while (my ($key,$value) = each %TempHash) {
1.128 matthew 2871: $oldsheets{$key} = $value;
1.136 matthew 2872: $count++;
1.128 matthew 2873: }
2874: $loadedcaches{$sheet->{'uname'}.'_'.$sheet->{'udom'}}=1;
1.78 matthew 2875: }
1.46 www 2876: }
1.136 matthew 2877:
1.46 www 2878: }
2879:
2880: # ===================================================== Calculated sheets cache
2881: #
2882: # Load previously cached assessment spreadsheets for this student
2883: #
2884:
1.12 www 2885: # ================================================================ Main handler
1.28 www 2886: #
2887: # Interactive call to screen
2888: #
2889: #
1.3 www 2890: sub handler {
1.7 www 2891: my $r=shift;
1.110 www 2892:
1.135 matthew 2893: my ($sheettype) = ($r->uri=~/\/(\w+)$/);
2894:
1.118 matthew 2895: if (! exists($ENV{'form.Status'})) {
2896: $ENV{'form.Status'} = 'Active';
2897: }
1.135 matthew 2898: if ( ! exists($ENV{'form.output'}) ||
2899: ($sheettype ne 'classcalc' &&
2900: lc($ENV{'form.output'}) eq 'recursive excel')) {
1.134 matthew 2901: $ENV{'form.output'} = 'HTML';
2902: }
1.136 matthew 2903: #
2904: # Overload checking
2905: #
1.116 matthew 2906: # Check this server
1.111 matthew 2907: my $loaderror=&Apache::lonnet::overloaderror($r);
2908: if ($loaderror) { return $loaderror; }
1.116 matthew 2909: # Check the course homeserver
1.111 matthew 2910: $loaderror= &Apache::lonnet::overloaderror($r,
2911: $ENV{'course.'.$ENV{'request.course.id'}.'.home'});
2912: if ($loaderror) { return $loaderror; }
1.136 matthew 2913: #
2914: # HTML Header
2915: #
1.28 www 2916: if ($r->header_only) {
1.104 matthew 2917: $r->content_type('text/html');
2918: $r->send_http_header;
2919: return OK;
2920: }
1.136 matthew 2921: #
1.104 matthew 2922: # Global directory configs
1.136 matthew 2923: #
1.106 matthew 2924: $includedir = $r->dir_config('lonIncludes');
2925: $tmpdir = $r->dir_config('lonDaemons').'/tmp/';
1.136 matthew 2926: #
2927: # Roles Checking
2928: #
1.104 matthew 2929: # Needs to be in a course
1.106 matthew 2930: if (! $ENV{'request.course.fn'}) {
2931: # Not in a course, or not allowed to modify parms
2932: $ENV{'user.error.msg'}=
2933: $r->uri.":opa:0:0:Cannot modify spreadsheet";
2934: return HTTP_NOT_ACCEPTABLE;
2935: }
1.136 matthew 2936: #
1.106 matthew 2937: # Get query string for limited number of parameters
1.136 matthew 2938: #
1.139 matthew 2939: &Apache::loncommon::get_unprocessed_cgi
2940: ($ENV{'QUERY_STRING'},['uname','udom','usymb','ufn','mapid','resid']);
1.136 matthew 2941: #
2942: # Deal with restricted student permissions
2943: #
1.111 matthew 2944: if ($ENV{'request.role'} =~ /^st\./) {
2945: delete $ENV{'form.unewfield'} if (exists($ENV{'form.unewfield'}));
2946: delete $ENV{'form.unewformula'} if (exists($ENV{'form.unewformula'}));
2947: }
1.136 matthew 2948: #
2949: # Clean up symb and spreadsheet filename
2950: #
1.106 matthew 2951: if (($ENV{'form.usymb'}=~/^\_(\w+)/) && (!$ENV{'form.ufn'})) {
2952: $ENV{'form.ufn'}='default_'.$1;
2953: }
1.136 matthew 2954: #
1.106 matthew 2955: # Interactive loading of specific sheet?
1.136 matthew 2956: #
1.106 matthew 2957: if (($ENV{'form.load'}) && ($ENV{'form.loadthissheet'} ne 'Default')) {
2958: $ENV{'form.ufn'}=$ENV{'form.loadthissheet'};
2959: }
2960: #
2961: # Determine the user name and domain for the sheet.
2962: my $aname;
2963: my $adom;
2964: unless ($ENV{'form.uname'}) {
2965: $aname=$ENV{'user.name'};
2966: $adom=$ENV{'user.domain'};
2967: } else {
2968: $aname=$ENV{'form.uname'};
2969: $adom=$ENV{'form.udom'};
2970: }
2971: #
1.136 matthew 2972: # Open page, try to prevent browser cache.
2973: #
1.106 matthew 2974: $r->content_type('text/html');
2975: $r->header_out('Cache-control','no-cache');
2976: $r->header_out('Pragma','no-cache');
2977: $r->send_http_header;
1.136 matthew 2978: #
2979: # Header....
2980: #
1.106 matthew 2981: $r->print('<html><head><title>LON-CAPA Spreadsheet</title>');
1.138 matthew 2982: my $nothing = "''";
2983: if ($ENV{'browser.type'} eq 'explorer') {
2984: $nothing = "'javascript:void(0);'";
2985: }
2986:
1.111 matthew 2987: if ($ENV{'request.role'} !~ /^st\./) {
2988: $r->print(<<ENDSCRIPT);
1.10 www 2989: <script language="JavaScript">
2990:
1.138 matthew 2991: var editwin;
2992:
2993: function celledit(cellname,cellformula) {
2994: var edit_text = '';
1.151 matthew 2995: // cellformula may contain less-than and greater-than symbols, so
2996: // we need to escape them?
1.138 matthew 2997: edit_text +='<html><head><title>Cell Edit Window</title></head><body>';
2998: edit_text += '<form name="editwinform">';
2999: edit_text += '<center><h3>Cell '+cellname+'</h3>';
3000: edit_text += '<textarea name="newformula" cols="40" rows="6"';
3001: edit_text += ' wrap="off" >'+cellformula+'</textarea>';
3002: edit_text += '</br>';
3003: edit_text += '<input type="button" name="accept" value="Accept"';
3004: edit_text += ' onClick=\\\'javascript:';
3005: edit_text += 'opener.document.sheet.unewfield.value=';
3006: edit_text += '"'+cellname+'";';
3007: edit_text += 'opener.document.sheet.unewformula.value=';
3008: edit_text += 'document.editwinform.newformula.value;';
3009: edit_text += 'opener.document.sheet.submit();';
3010: edit_text += 'self.close()\\\' />';
3011: edit_text += ' ';
3012: edit_text += '<input type="button" name="abort" ';
3013: edit_text += 'value="Discard Changes"';
3014: edit_text += ' onClick="javascript:self.close()" />';
3015: edit_text += '</center></body></html>';
3016:
3017: if (editwin != null && !(editwin.closed) ) {
3018: editwin.close();
1.10 www 3019: }
1.138 matthew 3020:
3021: editwin = window.open($nothing,'CellEditWin','height=200,width=350,scrollbars=no,resizeable=yes,alwaysRaised=yes,dependent=yes',true);
3022: editwin.document.write(edit_text);
1.10 www 3023: }
3024:
1.55 www 3025: function changesheet(cn) {
3026: document.sheet.unewfield.value=cn;
3027: document.sheet.unewformula.value='changesheet';
3028: document.sheet.submit();
3029: }
3030:
1.92 www 3031: function insertrow(cn) {
3032: document.sheet.unewfield.value='insertrow';
3033: document.sheet.unewformula.value=cn;
3034: document.sheet.submit();
3035: }
3036:
1.10 www 3037: </script>
3038: ENDSCRIPT
1.111 matthew 3039: }
1.106 matthew 3040: $r->print('</head>'.&Apache::loncommon::bodytag('Grades Spreadsheet').
1.138 matthew 3041: '<form action="'.$r->uri.'" name="sheet" method="post">');
1.106 matthew 3042: $r->print(&hiddenfield('uname',$ENV{'form.uname'}).
3043: &hiddenfield('udom',$ENV{'form.udom'}).
3044: &hiddenfield('usymb',$ENV{'form.usymb'}).
3045: &hiddenfield('unewfield','').
3046: &hiddenfield('unewformula',''));
3047: $r->rflush();
3048: #
3049: # Full recalc?
1.136 matthew 3050: #
1.106 matthew 3051: if ($ENV{'form.forcerecalc'}) {
3052: $r->print('<h4>Completely Recalculating Sheet ...</h4>');
3053: undef %spreadsheets;
3054: undef %courserdatas;
3055: undef %userrdatas;
3056: undef %defaultsheets;
1.136 matthew 3057: undef %rowlabel_cache;
1.106 matthew 3058: }
3059: # Read new sheet or modified worksheet
1.135 matthew 3060: my ($sheet)=&makenewsheet($aname,$adom,$sheettype,$ENV{'form.usymb'});
1.106 matthew 3061: #
1.139 matthew 3062: # Check user permissions
3063: if (($sheet->{'sheettype'} eq 'classcalc' ) ||
3064: ($sheet->{'uname'} ne $ENV{'user.name'} ) ||
3065: ($sheet->{'udom'} ne $ENV{'user.domain'})) {
3066: unless (&Apache::lonnet::allowed('vgr',$sheet->{'cid'})) {
3067: $r->print('<h1>Access Permission Denied</h1>'.
3068: '</form></body></html>');
3069: return OK;
3070: }
3071: }
3072: # Print out user information
3073: $r->print('<h2>'.$sheet->{'coursedesc'}.'</h2>');
3074: if ($sheet->{'sheettype'} ne 'classcalc') {
3075: $r->print('<h2>'.&gettitle($sheet).'</h2><p>');
3076: }
3077: if ($sheet->{'sheettype'} eq 'assesscalc') {
3078: $r->print('<b>User:</b> '.$sheet->{'uname'}.
3079: '<br /><b>Domain:</b> '.$sheet->{'udom'}.'<br />');
3080: }
3081: if ($sheet->{'sheettype'} eq 'studentcalc' ||
3082: $sheet->{'sheettype'} eq 'assesscalc') {
3083: $r->print('<b>Section/Group:</b>'.$sheet->{'csec'}.'</p>');
3084: }
3085: #
1.106 matthew 3086: # If a new formula had been entered, go from work copy
3087: if ($ENV{'form.unewfield'}) {
3088: $r->print('<h2>Modified Workcopy</h2>');
3089: $ENV{'form.unewformula'}=~s/\'/\"/g;
1.152 ! matthew 3090: $r->print('<p>Cell '.$ENV{'form.unewfield'}.' = <pre>');
! 3091: $r->print(&HTML::Entities::encode($ENV{'form.unewformula'}).
! 3092: '</pre></p>');
1.119 matthew 3093: $sheet->{'filename'} = $ENV{'form.ufn'};
3094: &tmpread($sheet,$ENV{'form.unewfield'},$ENV{'form.unewformula'});
1.106 matthew 3095: } elsif ($ENV{'form.saveas'}) {
1.119 matthew 3096: $sheet->{'filename'} = $ENV{'form.ufn'};
3097: &tmpread($sheet);
1.106 matthew 3098: } else {
1.119 matthew 3099: &readsheet($sheet,$ENV{'form.ufn'});
1.106 matthew 3100: }
3101: # Additional options
1.119 matthew 3102: if ($sheet->{'sheettype'} eq 'assesscalc') {
1.106 matthew 3103: $r->print('<p><font size=+2>'.
3104: '<a href="/adm/studentcalc?'.
1.119 matthew 3105: 'uname='.$sheet->{'uname'}.
3106: '&udom='.$sheet->{'udom'}.'">'.
1.139 matthew 3107: 'Level up: Student Sheet</a></font></p>');
1.106 matthew 3108: }
1.119 matthew 3109: if (($sheet->{'sheettype'} eq 'studentcalc') &&
3110: (&Apache::lonnet::allowed('vgr',$sheet->{'cid'}))) {
1.106 matthew 3111: $r->print ('<p><font size=+2><a href="/adm/classcalc">'.
1.139 matthew 3112: 'Level up: Course Sheet</a></font></p>');
1.106 matthew 3113: }
1.139 matthew 3114: # Recalc button
3115: $r->print('<br />'.
3116: '<input type="submit" name="forcerecalc" '.
3117: 'value="Completely Recalculate Sheet"></p>');
1.106 matthew 3118: # Save dialog
3119: if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
3120: my $fname=$ENV{'form.ufn'};
3121: $fname=~s/\_[^\_]+$//;
3122: if ($fname eq 'default') { $fname='course_default'; }
3123: $r->print('<input type=submit name=saveas value="Save as ...">'.
3124: '<input type=text size=20 name=newfn value="'.$fname.'">'.
3125: 'make default: <input type=checkbox name="makedefufn"><p>');
3126: }
1.119 matthew 3127: $r->print(&hiddenfield('ufn',$sheet->{'filename'}));
1.106 matthew 3128: # Load dialog
3129: if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
3130: $r->print('<p><input type=submit name=load value="Load ...">'.
3131: '<select name="loadthissheet">'.
3132: '<option name="default">Default</option>');
1.119 matthew 3133: foreach (&othersheets($sheet)) {
1.106 matthew 3134: $r->print('<option name="'.$_.'"');
3135: if ($ENV{'form.ufn'} eq $_) {
3136: $r->print(' selected');
1.104 matthew 3137: }
1.106 matthew 3138: $r->print('>'.$_.'</option>');
3139: }
3140: $r->print('</select><p>');
1.119 matthew 3141: if ($sheet->{'sheettype'} eq 'studentcalc') {
1.116 matthew 3142: &setothersheets($sheet,
1.119 matthew 3143: &othersheets($sheet,'assesscalc'));
1.104 matthew 3144: }
1.106 matthew 3145: }
1.136 matthew 3146: #
3147: # Set up caching mechanisms
3148: #
3149: &load_spreadsheet_expirationdates();
3150: # Clear out old caches if we have not seen this class before.
3151: if (exists($oldsheets{'course'}) &&
3152: $oldsheets{'course'} ne $sheet->{'cid'}) {
3153: undef %oldsheets;
3154: undef %loadedcaches;
3155: }
3156: $oldsheets{'course'} = $sheet->{'cid'};
3157: #
1.119 matthew 3158: if ($sheet->{'sheettype'} eq 'classcalc') {
1.106 matthew 3159: $r->print("Loading previously calculated student sheets ...\n");
1.104 matthew 3160: $r->rflush();
1.106 matthew 3161: &cachedcsheets();
1.119 matthew 3162: } elsif ($sheet->{'sheettype'} eq 'studentcalc') {
1.106 matthew 3163: $r->print("Loading previously calculated assessment sheets ...\n");
1.46 www 3164: $r->rflush();
1.128 matthew 3165: &cachedssheets($sheet);
1.106 matthew 3166: }
3167: # Update sheet, load rows
3168: $r->print("Loaded sheet(s), updating rows ...<br>\n");
3169: $r->rflush();
3170: #
1.119 matthew 3171: &updatesheet($sheet);
1.106 matthew 3172: $r->print("Updated rows, loading row data ...\n");
3173: $r->rflush();
3174: #
1.119 matthew 3175: &loadrows($sheet,$r);
1.106 matthew 3176: $r->print("Loaded row data, calculating sheet ...<br>\n");
3177: $r->rflush();
3178: #
1.116 matthew 3179: my $calcoutput=&calcsheet($sheet);
1.106 matthew 3180: $r->print('<h3><font color=red>'.$calcoutput.'</h3></font>');
3181: # See if something to save
3182: if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
3183: my $fname='';
3184: if ($ENV{'form.saveas'} && ($fname=$ENV{'form.newfn'})) {
3185: $fname=~s/\W/\_/g;
3186: if ($fname eq 'default') { $fname='course_default'; }
1.119 matthew 3187: $fname.='_'.$sheet->{'sheettype'};
3188: $sheet->{'filename'} = $fname;
1.106 matthew 3189: $ENV{'form.ufn'}=$fname;
3190: $r->print('<p>Saving spreadsheet: '.
1.119 matthew 3191: &writesheet($sheet,$ENV{'form.makedefufn'}).
1.116 matthew 3192: '<p>');
1.104 matthew 3193: }
1.106 matthew 3194: }
3195: #
1.116 matthew 3196: # Write the modified worksheet
1.139 matthew 3197: $r->print('<b>Current sheet:</b> '.$sheet->{'filename'}.'</p>');
1.119 matthew 3198: &tmpwrite($sheet);
1.141 matthew 3199: if ($sheet->{'sheettype'} eq 'assesscalc') {
1.139 matthew 3200: $r->print('<p>Show rows with empty A column: ');
1.62 www 3201: } else {
1.140 matthew 3202: $r->print('<p>Show empty rows: ');
1.120 matthew 3203: }
1.106 matthew 3204: #
1.77 www 3205: $r->print(&hiddenfield('userselhidden','true').
1.106 matthew 3206: '<input type="checkbox" name="showall" onClick="submit()"');
3207: #
1.77 www 3208: if ($ENV{'form.showall'}) {
1.106 matthew 3209: $r->print(' checked');
1.77 www 3210: } else {
1.106 matthew 3211: unless ($ENV{'form.userselhidden'}) {
3212: unless
1.128 matthew 3213: ($ENV{'course.'.$sheet->{'cid'}.'.hideemptyrows'} eq 'yes') {
1.106 matthew 3214: $r->print(' checked');
3215: $ENV{'form.showall'}=1;
3216: }
3217: }
1.77 www 3218: }
1.61 www 3219: $r->print('>');
1.120 matthew 3220: #
3221: # CSV format checkbox (classcalc sheets only)
1.134 matthew 3222: $r->print(' Output as <select name="output" size="1" onClick="submit()">'.
3223: "\n");
1.135 matthew 3224: foreach my $mode (qw/HTML CSV Excel/) {
1.134 matthew 3225: $r->print('<option value="'.$mode.'"');
3226: if ($ENV{'form.output'} eq $mode) {
3227: $r->print(' selected ');
3228: }
3229: $r->print('>'.$mode.'</option>'."\n");
1.135 matthew 3230: }
1.150 matthew 3231: #
3232: # Mulit-sheet excel takes too long and does not work at all for large
3233: # classes. Future inclusion of this option may be possible with the
3234: # Spreadsheet::WriteExcel::Big and speed improvements.
3235: #
3236: # if ($sheet->{'sheettype'} eq 'classcalc') {
3237: # $r->print('<option value="recursive excel"');
3238: # if ($ENV{'form.output'} eq 'recursive excel') {
3239: # $r->print(' selected ');
3240: # }
3241: # $r->print(">Multi-Sheet Excel</option>\n");
3242: # }
1.134 matthew 3243: $r->print("</select>\n");
3244: #
1.119 matthew 3245: if ($sheet->{'sheettype'} eq 'classcalc') {
3246: $r->print(' Student Status: '.
3247: &Apache::lonhtmlcommon::StatusOptions
3248: ($ENV{'form.Status'},'sheet'));
1.69 www 3249: }
1.120 matthew 3250: #
3251: # Buttons to insert rows
1.134 matthew 3252: # $r->print(<<ENDINSERTBUTTONS);
3253: #<br>
3254: #<input type='button' onClick='insertrow("top");'
3255: #value='Insert Row Top'>
3256: #<input type='button' onClick='insertrow("bottom");'
3257: #value='Insert Row Bottom'><br>
3258: #ENDINSERTBUTTONS
1.106 matthew 3259: # Print out sheet
1.143 matthew 3260: &outsheet($sheet,$r);
1.10 www 3261: $r->print('</form></body></html>');
1.106 matthew 3262: # Done
1.3 www 3263: return OK;
1.1 www 3264: }
3265:
3266: 1;
3267: __END__
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