1: # The LearningOnline Network with CAPA
2: # Spreadsheet/Grades Display Handler
3: #
4: # 11/11,11/15,11/27,12/04,12/05,12/06,12/07,
5: # 12/08,12/09,12/11,12/12,12/15,12/16,12/18,12/19,12/30,
6: # 01/01/01,02/01,03/01,19/01,20/01,22/01,
7: # 03/05,03/08,03/10,03/12,03/13,03/15,03/17,
8: # 03/19,03/20,03/21,03/27,04/05,04/09,
9: # 07/09,07/14,07/21,09/01,09/10,9/11,9/12,9/13,9/14,9/17,
10: # 10/16,10/17 Gerd Kortemeyer
11:
12: package Apache::lonspreadsheet;
13:
14: use strict;
15: use Safe;
16: use Safe::Hole;
17: use Opcode;
18: use Apache::lonnet;
19: use Apache::Constants qw(:common :http);
20: use GDBM_File;
21: use HTML::TokeParser;
22:
23: #
24: # Caches for previously calculated spreadsheets
25: #
26:
27: my %oldsheets;
28: my %loadedcaches;
29: my %expiredates;
30:
31: #
32: # Cache for stores of an individual user
33: #
34:
35: my $cachedassess;
36: my %cachedstores;
37:
38: #
39: # These cache hashes need to be independent of user, resource and course
40: # (user and course can/should be in the keys)
41: #
42:
43: my %spreadsheets;
44: my %courserdatas;
45: my %userrdatas;
46: my %defaultsheets;
47: my %updatedata;
48:
49: #
50: # These global hashes are dependent on user, course and resource,
51: # and need to be initialized every time when a sheet is calculated
52: #
53: my %courseopt;
54: my %useropt;
55: my %parmhash;
56:
57: # Stuff that only the screen handler can know
58:
59: my $includedir;
60: my $tmpdir;
61:
62: # =============================================================================
63: # ===================================== Implements an instance of a spreadsheet
64:
65: sub initsheet {
66: my $safeeval = new Safe(shift);
67: my $safehole = new Safe::Hole;
68: $safeeval->permit("entereval");
69: $safeeval->permit(":base_math");
70: $safeeval->permit("sort");
71: $safeeval->deny(":base_io");
72: $safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&EXT');
73: my $code=<<'ENDDEFS';
74: # ---------------------------------------------------- Inside of the safe space
75:
76: #
77: # f: formulas
78: # t: intermediate format (variable references expanded)
79: # v: output values
80: # c: preloaded constants (A-column)
81: # rl: row label
82: # os: other spreadsheets (for student spreadsheet only)
83:
84: undef %v;
85: undef %t;
86: undef %f;
87: undef %c;
88: undef %rl;
89: undef @os;
90:
91: $maxrow=0;
92: $sheettype='';
93:
94: # filename/reference of the sheet
95:
96: $filename='';
97:
98: # user data
99: $uname='';
100: $uhome='';
101: $udom='';
102:
103: # course data
104:
105: $csec='';
106: $chome='';
107: $cnum='';
108: $cdom='';
109: $cid='';
110: $cfn='';
111:
112: # symb
113:
114: $usymb='';
115:
116: sub mask {
117: my ($lower,$upper)=@_;
118:
119: $lower=~/([A-Za-z]|\*)(\d+|\*)/;
120: my $la=$1;
121: my $ld=$2;
122:
123: $upper=~/([A-Za-z]|\*)(\d+|\*)/;
124: my $ua=$1;
125: my $ud=$2;
126: my $alpha='';
127: my $num='';
128:
129: if (($la eq '*') || ($ua eq '*')) {
130: $alpha='[A-Za-z]';
131: } else {
132: if (($la=~/[A-Z]/) && ($ua=~/[A-Z]/) ||
133: ($la=~/[a-z]/) && ($ua=~/[a-z]/)) {
134: $alpha='['.$la.'-'.$ua.']';
135: } else {
136: $alpha='['.$la.'-Za-'.$ua.']';
137: }
138: }
139:
140: if (($ld eq '*') || ($ud eq '*')) {
141: $num='\d+';
142: } else {
143: if (length($ld)!=length($ud)) {
144: $num.='(';
145: map {
146: $num.='['.$_.'-9]';
147: } ($ld=~m/\d/g);
148: if (length($ud)-length($ld)>1) {
149: $num.='|\d{'.(length($ld)+1).','.(length($ud)-1).'}';
150: }
151: $num.='|';
152: map {
153: $num.='[0-'.$_.']';
154: } ($ud=~m/\d/g);
155: $num.=')';
156: } else {
157: my @lda=($ld=~m/\d/g);
158: my @uda=($ud=~m/\d/g);
159: my $i; $j=0; $notdone=1;
160: for ($i=0;($i<=$#lda)&&($notdone);$i++) {
161: if ($lda[$i]==$uda[$i]) {
162: $num.=$lda[$i];
163: $j=$i;
164: } else {
165: $notdone=0;
166: }
167: }
168: if ($j<$#lda-1) {
169: $num.='('.$lda[$j+1];
170: for ($i=$j+2;$i<=$#lda;$i++) {
171: $num.='['.$lda[$i].'-9]';
172: }
173: if ($uda[$j+1]-$lda[$j+1]>1) {
174: $num.='|['.($lda[$j+1]+1).'-'.($uda[$j+1]-1).']\d{'.
175: ($#lda-$j-1).'}';
176: }
177: $num.='|'.$uda[$j+1];
178: for ($i=$j+2;$i<=$#uda;$i++) {
179: $num.='[0-'.$uda[$i].']';
180: }
181: $num.=')';
182: } else {
183: if ($lda[$#lda]!=$uda[$#uda]) {
184: $num.='['.$lda[$#lda].'-'.$uda[$#uda].']';
185: }
186: }
187: }
188: }
189: return '^'.$alpha.$num."\$";
190: }
191:
192: sub NUM {
193: my $mask=mask(@_);
194: my $num=0;
195: map {
196: $num++;
197: } grep /$mask/,keys %v;
198: return $num;
199: }
200:
201: sub BIN {
202: my ($low,$high,$lower,$upper)=@_;
203: my $mask=mask($lower,$upper);
204: my $num=0;
205: map {
206: if (($v{$_}>=$low) && ($v{$_}<=$high)) {
207: $num++;
208: }
209: } grep /$mask/,keys %v;
210: return $num;
211: }
212:
213:
214: sub SUM {
215: my $mask=mask(@_);
216: my $sum=0;
217: map {
218: $sum+=$v{$_};
219: } grep /$mask/,keys %v;
220: return $sum;
221: }
222:
223: sub MEAN {
224: my $mask=mask(@_);
225: my $sum=0; my $num=0;
226: map {
227: $sum+=$v{$_};
228: $num++;
229: } grep /$mask/,keys %v;
230: if ($num) {
231: return $sum/$num;
232: } else {
233: return undef;
234: }
235: }
236:
237: sub STDDEV {
238: my $mask=mask(@_);
239: my $sum=0; my $num=0;
240: map {
241: $sum+=$v{$_};
242: $num++;
243: } grep /$mask/,keys %v;
244: unless ($num>1) { return undef; }
245: my $mean=$sum/$num;
246: $sum=0;
247: map {
248: $sum+=($v{$_}-$mean)**2;
249: } grep /$mask/,keys %v;
250: return sqrt($sum/($num-1));
251: }
252:
253: sub PROD {
254: my $mask=mask(@_);
255: my $prod=1;
256: map {
257: $prod*=$v{$_};
258: } grep /$mask/,keys %v;
259: return $prod;
260: }
261:
262: sub MAX {
263: my $mask=mask(@_);
264: my $max='-';
265: map {
266: unless ($max) { $max=$v{$_}; }
267: if (($v{$_}>$max) || ($max eq '-')) { $max=$v{$_}; }
268: } grep /$mask/,keys %v;
269: return $max;
270: }
271:
272: sub MIN {
273: my $mask=mask(@_);
274: my $min='-';
275: map {
276: unless ($max) { $max=$v{$_}; }
277: if (($v{$_}<$min) || ($min eq '-')) { $min=$v{$_}; }
278: } grep /$mask/,keys %v;
279: return $min;
280: }
281:
282: sub SUMMAX {
283: my ($num,$lower,$upper)=@_;
284: my $mask=mask($lower,$upper);
285: my @inside=();
286: map {
287: $inside[$#inside+1]=$v{$_};
288: } grep /$mask/,keys %v;
289: @inside=sort(@inside);
290: my $sum=0; my $i;
291: for ($i=$#inside;(($i>$#inside-$num) && ($i>=0));$i--) {
292: $sum+=$inside[$i];
293: }
294: return $sum;
295: }
296:
297: sub SUMMIN {
298: my ($num,$lower,$upper)=@_;
299: my $mask=mask($lower,$upper);
300: my @inside=();
301: map {
302: $inside[$#inside+1]=$v{$_};
303: } grep /$mask/,keys %v;
304: @inside=sort(@inside);
305: my $sum=0; my $i;
306: for ($i=0;(($i<$num) && ($i<=$#inside));$i++) {
307: $sum+=$inside[$i];
308: }
309: return $sum;
310: }
311:
312: sub expandnamed {
313: my $expression=shift;
314: if ($expression=~/^\&/) {
315: my ($func,$var,$formula)=($expression=~/^\&(\w+)\(([^\;]+)\;(.*)\)/);
316: my @vars=split(/\W+/,$formula);
317: my %values=();
318: undef %values;
319: map {
320: my $varname=$_;
321: if ($varname=~/\D/) {
322: $formula=~s/$varname/'$c{\''.$varname.'\'}'/ge;
323: $varname=~s/$var/\(\\w\+\)/g;
324: map {
325: if ($_=~/$varname/) {
326: $values{$1}=1;
327: }
328: } keys %c;
329: }
330: } @vars;
331: if ($func eq 'EXPANDSUM') {
332: my $result='';
333: map {
334: my $thissum=$formula;
335: $thissum=~s/$var/$_/g;
336: $result.=$thissum.'+';
337: } keys %values;
338: $result=~s/\+$//;
339: return $result;
340: } else {
341: return 0;
342: }
343: } else {
344: return '$c{\''.$expression.'\'}';
345: }
346: }
347:
348: sub sett {
349: %t=();
350: my $pattern='';
351: if ($sheettype eq 'assesscalc') {
352: $pattern='A';
353: } else {
354: $pattern='[A-Z]';
355: }
356: map {
357: if ($_=~/template\_(\w)/) {
358: my $col=$1;
359: unless ($col=~/^$pattern/) {
360: map {
361: if ($_=~/A(\d+)/) {
362: my $trow=$1;
363: if ($trow) {
364: my $lb=$col.$trow;
365: $t{$lb}=$f{'template_'.$col};
366: $t{$lb}=~s/\#/$trow/g;
367: $t{$lb}=~s/\.\.+/\,/g;
368: $t{$lb}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$v\{\'$2\'\}/g;
369: $t{$lb}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.&expandnamed($2)/ge;
370: }
371: }
372: } keys %f;
373: }
374: }
375: } keys %f;
376: map {
377: if (($f{$_}) && ($_!~/template\_/)) {
378: my $matches=($_=~/^$pattern(\d+)/);
379: if (($matches) && ($1)) {
380: unless ($f{$_}=~/^\!/) {
381: $t{$_}=$c{$_};
382: }
383: } else {
384: $t{$_}=$f{$_};
385: $t{$_}=~s/\.\.+/\,/g;
386: $t{$_}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$v\{\'$2\'\}/g;
387: $t{$_}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.&expandnamed($2)/ge;
388: }
389: }
390: } keys %f;
391: $t{'A0'}=$f{'A0'};
392: $t{'A0'}=~s/\.\.+/\,/g;
393: $t{'A0'}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$v\{\'$2\'\}/g;
394: $t{'A0'}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.&expandnamed($2)/ge;
395: }
396:
397: sub calc {
398: %v=();
399: &sett();
400: my $notfinished=1;
401: my $depth=0;
402: while ($notfinished) {
403: $notfinished=0;
404: map {
405: my $old=$v{$_};
406: $v{$_}=eval($t{$_});
407: if ($@) {
408: %v=();
409: return $@;
410: }
411: if ($v{$_} ne $old) { $notfinished=1; }
412: } keys %t;
413: $depth++;
414: if ($depth>100) {
415: %v=();
416: return 'Maximum calculation depth exceeded';
417: }
418: }
419: return '';
420: }
421:
422: sub templaterow {
423: my @cols=();
424: $cols[0]='<b><font size=+1>Template</font></b>';
425: map {
426: my $fm=$f{'template_'.$_};
427: $fm=~s/[\'\"]/\&\#34;/g;
428: $cols[$#cols+1]="'template_$_','$fm'".'___eq___'.$fm;
429: } ('A','B','C','D','E','F','G','H','I','J','K','L','M',
430: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
431: 'a','b','c','d','e','f','g','h','i','j','k','l','m',
432: 'n','o','p','q','r','s','t','u','v','w','x','y','z');
433: return @cols;
434: }
435:
436: sub outrowassess {
437: my $n=shift;
438: my @cols=();
439: if ($n) {
440: my ($usy,$ufn)=split(/\_\_\&\&\&\_\_/,$f{'A'.$n});
441: $cols[0]=$rl{$usy}.'<br>'.
442: '<select name="sel_'.$n.'" onChange="changesheet('.$n.
443: ')"><option name="default">Default</option>';
444: map {
445: $cols[0].='<option name="'.$_.'"';
446: if ($ufn eq $_) {
447: $cols[0].=' selected';
448: }
449: $cols[0].='>'.$_.'</option>';
450: } @os;
451: $cols[0].='</select>';
452: } else {
453: $cols[0]='<b><font size=+1>Export</font></b>';
454: }
455: map {
456: my $fm=$f{$_.$n};
457: $fm=~s/[\'\"]/\&\#34;/g;
458: $cols[$#cols+1]="'$_$n','$fm'".'___eq___'.$v{$_.$n};
459: } ('A','B','C','D','E','F','G','H','I','J','K','L','M',
460: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
461: 'a','b','c','d','e','f','g','h','i','j','k','l','m',
462: 'n','o','p','q','r','s','t','u','v','w','x','y','z');
463: return @cols;
464: }
465:
466: sub outrow {
467: my $n=shift;
468: my @cols=();
469: if ($n) {
470: $cols[0]=$rl{$f{'A'.$n}};
471: } else {
472: $cols[0]='<b><font size=+1>Export</font></b>';
473: }
474: map {
475: my $fm=$f{$_.$n};
476: $fm=~s/[\'\"]/\&\#34;/g;
477: $cols[$#cols+1]="'$_$n','$fm'".'___eq___'.$v{$_.$n};
478: } ('A','B','C','D','E','F','G','H','I','J','K','L','M',
479: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
480: 'a','b','c','d','e','f','g','h','i','j','k','l','m',
481: 'n','o','p','q','r','s','t','u','v','w','x','y','z');
482: return @cols;
483: }
484:
485: sub exportrowa {
486: my @exportarray=();
487: map {
488: $exportarray[$#exportarray+1]=$v{$_.'0'};
489: } ('A','B','C','D','E','F','G','H','I','J','K','L','M',
490: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z');
491: return @exportarray;
492: }
493:
494: # ------------------------------------------- End of "Inside of the safe space"
495: ENDDEFS
496: $safeeval->reval($code);
497: return $safeeval;
498: }
499:
500: # ------------------------------------------------ Add or change formula values
501:
502: sub setformulas {
503: my ($safeeval,%f)=@_;
504: %{$safeeval->varglob('f')}=%f;
505: }
506:
507: # ------------------------------------------------ Add or change formula values
508:
509: sub setconstants {
510: my ($safeeval,%c)=@_;
511: %{$safeeval->varglob('c')}=%c;
512: }
513:
514: # --------------------------------------------- Set names of other spreadsheets
515:
516: sub setothersheets {
517: my ($safeeval,@os)=@_;
518: @{$safeeval->varglob('os')}=@os;
519: }
520:
521: # ------------------------------------------------ Add or change formula values
522:
523: sub setrowlabels {
524: my ($safeeval,%rl)=@_;
525: %{$safeeval->varglob('rl')}=%rl;
526: }
527:
528: # ------------------------------------------------------- Calculate spreadsheet
529:
530: sub calcsheet {
531: my $safeeval=shift;
532: $safeeval->reval('&calc();');
533: }
534:
535: # ------------------------------------------------------------------ Get values
536:
537: sub getvalues {
538: my $safeeval=shift;
539: return $safeeval->reval('%v');
540: }
541:
542: # ---------------------------------------------------------------- Get formulas
543:
544: sub getformulas {
545: my $safeeval=shift;
546: return %{$safeeval->varglob('f')};
547: }
548:
549: # -------------------------------------------------------------------- Get type
550:
551: sub gettype {
552: my $safeeval=shift;
553: return $safeeval->reval('$sheettype');
554: }
555:
556: # ------------------------------------------------------------------ Set maxrow
557:
558: sub setmaxrow {
559: my ($safeeval,$row)=@_;
560: $safeeval->reval('$maxrow='.$row.';');
561: }
562:
563: # ------------------------------------------------------------------ Get maxrow
564:
565: sub getmaxrow {
566: my $safeeval=shift;
567: return $safeeval->reval('$maxrow');
568: }
569:
570: # ---------------------------------------------------------------- Set filename
571:
572: sub setfilename {
573: my ($safeeval,$fn)=@_;
574: $safeeval->reval('$filename="'.$fn.'";');
575: }
576:
577: # ---------------------------------------------------------------- Get filename
578:
579: sub getfilename {
580: my $safeeval=shift;
581: return $safeeval->reval('$filename');
582: }
583:
584: # --------------------------------------------------------------- Get course ID
585:
586: sub getcid {
587: my $safeeval=shift;
588: return $safeeval->reval('$cid');
589: }
590:
591: # --------------------------------------------------------- Get course filename
592:
593: sub getcfn {
594: my $safeeval=shift;
595: return $safeeval->reval('$cfn');
596: }
597:
598: # ----------------------------------------------------------- Get course number
599:
600: sub getcnum {
601: my $safeeval=shift;
602: return $safeeval->reval('$cnum');
603: }
604:
605: # ------------------------------------------------------------- Get course home
606:
607: sub getchome {
608: my $safeeval=shift;
609: return $safeeval->reval('$chome');
610: }
611:
612: # ----------------------------------------------------------- Get course domain
613:
614: sub getcdom {
615: my $safeeval=shift;
616: return $safeeval->reval('$cdom');
617: }
618:
619: # ---------------------------------------------------------- Get course section
620:
621: sub getcsec {
622: my $safeeval=shift;
623: return $safeeval->reval('$csec');
624: }
625:
626: # --------------------------------------------------------------- Get user name
627:
628: sub getuname {
629: my $safeeval=shift;
630: return $safeeval->reval('$uname');
631: }
632:
633: # ------------------------------------------------------------- Get user domain
634:
635: sub getudom {
636: my $safeeval=shift;
637: return $safeeval->reval('$udom');
638: }
639:
640: # --------------------------------------------------------------- Get user home
641:
642: sub getuhome {
643: my $safeeval=shift;
644: return $safeeval->reval('$uhome');
645: }
646:
647: # -------------------------------------------------------------------- Get symb
648:
649: sub getusymb {
650: my $safeeval=shift;
651: return $safeeval->reval('$usymb');
652: }
653:
654: # ------------------------------------------------------------- Export of A-row
655:
656: sub exportdata {
657: my $safeeval=shift;
658: return $safeeval->reval('&exportrowa()');
659: }
660:
661:
662: # ========================================================== End of Spreadsheet
663: # =============================================================================
664:
665: #
666: # Procedures for screen output
667: #
668: # --------------------------------------------- Produce output row n from sheet
669:
670: sub rown {
671: my ($safeeval,$n)=@_;
672: my $defaultbg;
673: my $rowdata='';
674: my $dataflag=0;
675: unless ($n eq '-') {
676: $defaultbg=((($n-1)/5)==int(($n-1)/5))?'#E0E0':'#FFFF';
677: } else {
678: $defaultbg='#E0FF';
679: }
680: $rowdata.="\n<tr><td><b><font size=+1>$n</font></b></td>";
681: my $showf=0;
682: my $proc;
683: my $maxred;
684: my $sheettype=&gettype($safeeval);
685: if ($sheettype eq 'studentcalc') {
686: $proc='&outrowassess';
687: $maxred=26;
688: } else {
689: $proc='&outrow';
690: }
691: if ($sheettype eq 'assesscalc') {
692: $maxred=1;
693: } else {
694: $maxred=26;
695: }
696: if ($n eq '-') { $proc='&templaterow'; $n=-1; $dataflag=1; }
697: map {
698: my $bgcolor=$defaultbg.((($showf-1)/5==int(($showf-1)/5))?'99':'DD');
699: my ($fm,$vl)=split(/\_\_\_eq\_\_\_/,$_);
700: if ((($vl ne '') || ($vl eq '0')) &&
701: (($showf==1) || ($sheettype ne 'studentcalc'))) { $dataflag=1; }
702: if ($showf==0) { $vl=$_; }
703: if ($showf<=$maxred) { $bgcolor='#FFDDDD'; }
704: if (($n==0) && ($showf<=26)) { $bgcolor='#CCCCFF'; }
705: if (($showf>$maxred) || ((!$n) && ($showf>0))) {
706: if ($vl eq '') {
707: $vl='<font size=+2 color='.$bgcolor.'>#</font>';
708: }
709: $rowdata.=
710: '<td bgcolor='.$bgcolor.'><a href="javascript:celledit('.$fm.');">'.$vl.
711: '</a></td>';
712: } else {
713: $rowdata.='<td bgcolor='.$bgcolor.'> '.$vl.' </td>';
714: }
715: $showf++;
716: } $safeeval->reval($proc.'('.$n.')');
717: if ($ENV{'form.showall'} || ($dataflag)) {
718: return $rowdata.'</tr>';
719: } else {
720: return '';
721: }
722: }
723:
724: # ------------------------------------------------------------- Print out sheet
725:
726: sub outsheet {
727: my ($r,$safeeval)=@_;
728: my $maxred;
729: my $realm;
730: if (&gettype($safeeval) eq 'assesscalc') {
731: $maxred=1;
732: $realm='Assessment';
733: } elsif (&gettype($safeeval) eq 'studentcalc') {
734: $maxred=26;
735: $realm='User';
736: } else {
737: $maxred=26;
738: $realm='Course';
739: }
740: my $maxyellow=52-$maxred;
741: my $tabledata=
742: '<table border=2><tr><th colspan=2 rowspan=2><font size=+2>'.
743: $realm.'</font></th>'.
744: '<td bgcolor=#FFDDDD colspan='.$maxred.
745: '><b><font size=+1>Import</font></b></td>'.
746: '<td colspan='.$maxyellow.
747: '><b><font size=+1>Calculations</font></b></td></tr><tr>';
748: my $showf=0;
749: map {
750: $showf++;
751: if ($showf<=$maxred) {
752: $tabledata.='<td bgcolor="#FFDDDD">';
753: } else {
754: $tabledata.='<td>';
755: }
756: $tabledata.="<b><font size=+1>$_</font></b></td>";
757: } ('A','B','C','D','E','F','G','H','I','J','K','L','M',
758: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
759: 'a','b','c','d','e','f','g','h','i','j','k','l','m',
760: 'n','o','p','q','r','s','t','u','v','w','x','y','z');
761: $tabledata.='</tr>';
762: my $row;
763: my $maxrow=&getmaxrow($safeeval);
764: $tabledata.=&rown($safeeval,'-').&rown($safeeval,0);
765: $r->print($tabledata);
766:
767: my @sortby=();
768: my @sortidx=();
769: for ($row=1;$row<=$maxrow;$row++) {
770: $sortby[$row-1]=$safeeval->reval('$f{"A'.$row.'"}');
771: $sortidx[$row-1]=$row-1;
772: }
773: @sortidx=sort { $sortby[$a] cmp $sortby[$b]; } @sortidx;
774:
775: my $what='Student';
776: if (&gettype($safeeval) eq 'assesscalc') {
777: $what='Item';
778: } elsif (&gettype($safeeval) eq 'studentcalc') {
779: $what='Assessment';
780: }
781:
782: my $n=0;
783: for ($row=0;$row<$maxrow;$row++) {
784: my $thisrow=&rown($safeeval,$sortidx[$row]+1);
785: if ($thisrow) {
786: if ($n/25==int($n/25)) {
787: $r->print("</table>\n<br>\n");
788: $r->rflush();
789: $r->print('<table border=2><tr><td> <td>'.$what.'</td>');
790: map {
791: $r->print('<td>'.$_.'</td>');
792: } ('A','B','C','D','E','F','G','H','I','J','K','L','M',
793: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
794: 'a','b','c','d','e','f','g','h','i','j','k','l','m',
795: 'n','o','p','q','r','s','t','u','v','w','x','y','z');
796: $r->print('</tr>');
797: }
798: $n++;
799: $r->print($thisrow);
800: }
801: }
802: $r->print('</table>');
803: }
804:
805: #
806: # ----------------------------------------------- Read list of available sheets
807: #
808:
809: sub othersheets {
810: my ($safeeval,$stype)=@_;
811:
812: my $cnum=&getcnum($safeeval);
813: my $cdom=&getcdom($safeeval);
814: my $chome=&getchome($safeeval);
815:
816: my @alternatives=();
817: my $result=&Apache::lonnet::reply('dump:'.$cdom.':'.$cnum.':'.
818: $stype.'_spreadsheets',$chome);
819: if ($result!~/^error\:/) {
820: map {
821: $alternatives[$#alternatives+1]=
822: &Apache::lonnet::unescape((split(/\=/,$_))[0]);
823: } split(/\&/,$result);
824: }
825: return @alternatives;
826: }
827:
828: #
829: # -------------------------------------- Read spreadsheet formulas for a course
830: #
831:
832: sub readsheet {
833: my ($safeeval,$fn)=@_;
834: my $stype=&gettype($safeeval);
835: my $cnum=&getcnum($safeeval);
836: my $cdom=&getcdom($safeeval);
837: my $chome=&getchome($safeeval);
838:
839: # --------- There is no filename. Look for defaults in course and global, cache
840:
841: unless($fn) {
842: unless ($fn=$defaultsheets{$cnum.'_'.$cdom.'_'.$stype}) {
843: $fn=&Apache::lonnet::reply('get:'.$cdom.':'.$cnum.
844: ':environment:spreadsheet_default_'.$stype,
845: $chome);
846: unless (($fn) && ($fn!~/^error\:/)) {
847: $fn='default_'.$stype;
848: }
849: $defaultsheets{$cnum.'_'.$cdom.'_'.$stype}=$fn;
850: }
851: }
852:
853: # ---------------------------------------------------------- fn now has a value
854:
855: &setfilename($safeeval,$fn);
856:
857: # ------------------------------------------------------ see if sheet is cached
858: my $fstring='';
859: if ($fstring=$spreadsheets{$cnum.'_'.$cdom.'_'.$stype.'_'.$fn}) {
860: &setformulas($safeeval,split(/\_\_\_\;\_\_\_/,$fstring));
861: } else {
862:
863: # ---------------------------------------------------- Not cached, need to read
864:
865: my %f=();
866:
867: if ($fn=~/^default\_/) {
868: my $sheetxml='';
869: {
870: my $fh;
871: if ($fh=Apache::File->new($includedir.
872: '/default.'.&gettype($safeeval))) {
873: $sheetxml=join('',<$fh>);
874: }
875: }
876: my $parser=HTML::TokeParser->new(\$sheetxml);
877: my $token;
878: while ($token=$parser->get_token) {
879: if ($token->[0] eq 'S') {
880: if ($token->[1] eq 'field') {
881: $f{$token->[2]->{'col'}.$token->[2]->{'row'}}=
882: $parser->get_text('/field');
883: }
884: if ($token->[1] eq 'template') {
885: $f{'template_'.$token->[2]->{'col'}}=
886: $parser->get_text('/template');
887: }
888: }
889: }
890: } else {
891: my $sheet='';
892: my $reply=&Apache::lonnet::reply('dump:'.$cdom.':'.$cnum.':'.$fn,
893: $chome);
894: unless ($reply=~/^error\:/) {
895: $sheet=$reply;
896: }
897: map {
898: my ($name,$value)=split(/\=/,$_);
899: $f{&Apache::lonnet::unescape($name)}=
900: &Apache::lonnet::unescape($value);
901: } split(/\&/,$sheet);
902: }
903: # --------------------------------------------------------------- Cache and set
904: $spreadsheets{$cnum.'_'.$cdom.'_'.$stype.'_'.$fn}=join('___;___',%f);
905: &setformulas($safeeval,%f);
906: }
907: }
908:
909: # -------------------------------------------------------- Make new spreadsheet
910:
911: sub makenewsheet {
912: my ($uname,$udom,$stype,$usymb)=@_;
913: my $safeeval=initsheet($stype);
914: $safeeval->reval(
915: '$uname="'.$uname.
916: '";$udom="'.$udom.
917: '";$uhome="'.&Apache::lonnet::homeserver($uname,$udom).
918: '";$sheettype="'.$stype.
919: '";$usymb="'.$usymb.
920: '";$csec="'.&Apache::lonnet::usection($udom,$uname,
921: $ENV{'request.course.id'}).
922: '";$cid="'.$ENV{'request.course.id'}.
923: '";$cfn="'.$ENV{'request.course.fn'}.
924: '";$cnum="'.$ENV{'course.'.$ENV{'request.course.id'}.'.num'}.
925: '";$cdom="'.$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.
926: '";$chome="'.$ENV{'course.'.$ENV{'request.course.id'}.'.home'}.'";');
927: return $safeeval;
928: }
929:
930: # ------------------------------------------------------------ Save spreadsheet
931:
932: sub writesheet {
933: my ($safeeval,$makedef)=@_;
934: my $cid=&getcid($safeeval);
935: if (&Apache::lonnet::allowed('opa',$cid)) {
936: my %f=&getformulas($safeeval);
937: my $stype=&gettype($safeeval);
938: my $cnum=&getcnum($safeeval);
939: my $cdom=&getcdom($safeeval);
940: my $chome=&getchome($safeeval);
941: my $fn=&getfilename($safeeval);
942:
943: # ------------------------------------------------------------- Cache new sheet
944: $spreadsheets{$cnum.'_'.$cdom.'_'.$stype.'_'.$fn}=join('___;___',%f);
945: # ----------------------------------------------------------------- Write sheet
946: my $sheetdata='';
947: map {
948: unless ($f{$_} eq 'import') {
949: $sheetdata.=&Apache::lonnet::escape($_).'='.
950: &Apache::lonnet::escape($f{$_}).'&';
951: }
952: } keys %f;
953: $sheetdata=~s/\&$//;
954: my $reply=&Apache::lonnet::reply('put:'.$cdom.':'.$cnum.':'.$fn.':'.
955: $sheetdata,$chome);
956: if ($reply eq 'ok') {
957: $reply=&Apache::lonnet::reply('put:'.$cdom.':'.$cnum.':'.
958: $stype.'_spreadsheets:'.
959: &Apache::lonnet::escape($fn).'='.$ENV{'user.name'}.'@'.
960: $ENV{'user.domain'},
961: $chome);
962: if ($reply eq 'ok') {
963: if ($makedef) {
964: return &Apache::lonnet::reply('put:'.$cdom.':'.$cnum.
965: ':environment:spreadsheet_default_'.$stype.'='.
966: &Apache::lonnet::escape($fn),
967: $chome);
968: } else {
969: return $reply;
970: }
971: } else {
972: return $reply;
973: }
974: } else {
975: return $reply;
976: }
977: }
978: return 'unauthorized';
979: }
980:
981: # ----------------------------------------------- Make a temp copy of the sheet
982: # "Modified workcopy" - interactive only
983: #
984:
985: sub tmpwrite {
986: my $safeeval=shift;
987: my $fn=$ENV{'user.name'}.'_'.
988: $ENV{'user.domain'}.'_spreadsheet_'.&getusymb($safeeval).'_'.
989: &getfilename($safeeval);
990: $fn=~s/\W/\_/g;
991: $fn=$tmpdir.$fn.'.tmp';
992: my $fh;
993: if ($fh=Apache::File->new('>'.$fn)) {
994: print $fh join("\n",&getformulas($safeeval));
995: }
996: }
997:
998: # ---------------------------------------------------------- Read the temp copy
999:
1000: sub tmpread {
1001: my ($safeeval,$nfield,$nform)=@_;
1002: my $fn=$ENV{'user.name'}.'_'.
1003: $ENV{'user.domain'}.'_spreadsheet_'.&getusymb($safeeval).'_'.
1004: &getfilename($safeeval);
1005: $fn=~s/\W/\_/g;
1006: $fn=$tmpdir.$fn.'.tmp';
1007: my $fh;
1008: my %fo=();
1009: if ($fh=Apache::File->new($fn)) {
1010: my $name;
1011: while ($name=<$fh>) {
1012: chomp($name);
1013: my $value=<$fh>;
1014: chomp($value);
1015: $fo{$name}=$value;
1016: }
1017: }
1018: if ($nform eq 'changesheet') {
1019: $fo{'A'.$nfield}=(split(/\_\_\&\&\&\_\_/,$fo{'A'.$nfield}))[0];
1020: unless ($ENV{'form.sel_'.$nfield} eq 'Default') {
1021: $fo{'A'.$nfield}.='__&&&__'.$ENV{'form.sel_'.$nfield};
1022: }
1023: } else {
1024: if ($nfield) { $fo{$nfield}=$nform; }
1025: }
1026: &setformulas($safeeval,%fo);
1027: }
1028:
1029: # ================================================================== Parameters
1030: # -------------------------------------------- Figure out a cascading parameter
1031: #
1032: # For this function to work
1033: #
1034: # * parmhash needs to be tied
1035: # * courseopt and useropt need to be initialized for this user and course
1036: #
1037:
1038: sub parmval {
1039: my ($what,$safeeval)=@_;
1040: my $cid=&getcid($safeeval);
1041: my $csec=&getcsec($safeeval);
1042: my $uname=&getuname($safeeval);
1043: my $udom=&getudom($safeeval);
1044: my $symb=&getusymb($safeeval);
1045:
1046: unless ($symb) { return ''; }
1047: my $result='';
1048:
1049: my ($mapname,$id,$fn)=split(/\_\_\_/,$symb);
1050: # ----------------------------------------------------- Cascading lookup scheme
1051: my $rwhat=$what;
1052: $what=~s/^parameter\_//;
1053: $what=~s/\_([^\_]+)$/\.$1/;
1054:
1055: my $symbparm=$symb.'.'.$what;
1056: my $mapparm=$mapname.'___(all).'.$what;
1057: my $usercourseprefix=$uname.'_'.$udom.'_'.$cid;
1058:
1059: my $seclevel=
1060: $usercourseprefix.'.['.
1061: $csec.'].'.$what;
1062: my $seclevelr=
1063: $usercourseprefix.'.['.
1064: $csec.'].'.$symbparm;
1065: my $seclevelm=
1066: $usercourseprefix.'.['.
1067: $csec.'].'.$mapparm;
1068:
1069: my $courselevel=
1070: $usercourseprefix.'.'.$what;
1071: my $courselevelr=
1072: $usercourseprefix.'.'.$symbparm;
1073: my $courselevelm=
1074: $usercourseprefix.'.'.$mapparm;
1075:
1076: # ---------------------------------------------------------- fourth, check user
1077:
1078: if ($uname) {
1079:
1080: if ($useropt{$courselevelr}) { return $useropt{$courselevelr}; }
1081:
1082: if ($useropt{$courselevelm}) { return $useropt{$courselevelm}; }
1083:
1084: if ($useropt{$courselevel}) { return $useropt{$courselevel}; }
1085:
1086: }
1087:
1088: # --------------------------------------------------------- third, check course
1089:
1090: if ($csec) {
1091:
1092: if ($courseopt{$seclevelr}) { return $courseopt{$seclevelr}; }
1093:
1094: if ($courseopt{$seclevelm}) { return $courseopt{$seclevelm}; }
1095:
1096: if ($courseopt{$seclevel}) { return $courseopt{$seclevel}; }
1097:
1098: }
1099:
1100: if ($courseopt{$courselevelr}) { return $courseopt{$courselevelr}; }
1101:
1102: if ($courseopt{$courselevelm}) { return $courseopt{$courselevelm}; }
1103:
1104: if ($courseopt{$courselevel}) { return $courseopt{$courselevel}; }
1105:
1106: # ----------------------------------------------------- second, check map parms
1107:
1108: my $thisparm=$parmhash{$symbparm};
1109: if ($thisparm) { return $thisparm; }
1110:
1111: # -------------------------------------------------------- first, check default
1112:
1113: return &Apache::lonnet::metadata($fn,$rwhat.'.default');
1114:
1115: }
1116:
1117: # ---------------------------------------------- Update rows for course listing
1118:
1119: sub updateclasssheet {
1120: my $safeeval=shift;
1121: my $cnum=&getcnum($safeeval);
1122: my $cdom=&getcdom($safeeval);
1123: my $cid=&getcid($safeeval);
1124: my $chome=&getchome($safeeval);
1125:
1126: # ---------------------------------------------- Read class list and row labels
1127:
1128: my $classlst=&Apache::lonnet::reply
1129: ('dump:'.$cdom.':'.$cnum.':classlist',$chome);
1130: my %currentlist=();
1131: my $now=time;
1132: unless ($classlst=~/^error\:/) {
1133: map {
1134: my ($name,$value)=split(/\=/,$_);
1135: my ($end,$start)=split(/\:/,&Apache::lonnet::unescape($value));
1136: my $active=1;
1137: if (($end) && ($now>$end)) { $active=0; }
1138: if ($active) {
1139: my $rowlabel='';
1140: $name=&Apache::lonnet::unescape($name);
1141: my ($sname,$sdom)=split(/\:/,$name);
1142: my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);
1143: if ($ssec==-1) {
1144: $rowlabel='<font color=red>Data not available: '.$name.
1145: '</font>';
1146: } else {
1147: my %reply=&Apache::lonnet::idrget($sdom,$sname);
1148: my $reply=&Apache::lonnet::reply('get:'.$sdom.':'.$sname.
1149: ':environment:firstname&middlename&lastname&generation',
1150: &Apache::lonnet::homeserver($sname,$sdom));
1151: $rowlabel='<a href="/adm/studentcalc?uname='.$sname.
1152: '&udom='.$sdom.'">'.
1153: $ssec.' '.$reply{$sname}.'<br>';
1154: map {
1155: $rowlabel.=&Apache::lonnet::unescape($_).' ';
1156: } split(/\&/,$reply);
1157: $rowlabel.='</a>';
1158: }
1159: $currentlist{&Apache::lonnet::unescape($name)}=$rowlabel;
1160: }
1161: } split(/\&/,$classlst);
1162: #
1163: # -------------------- Find discrepancies between the course row table and this
1164: #
1165: my %f=&getformulas($safeeval);
1166: my $changed=0;
1167:
1168: my $maxrow=0;
1169: my %existing=();
1170:
1171: # ----------------------------------------------------------- Now obsolete rows
1172: map {
1173: if ($_=~/^A(\d+)/) {
1174: $maxrow=($1>$maxrow)?$1:$maxrow;
1175: $existing{$f{$_}}=1;
1176: unless ((defined($currentlist{$f{$_}})) || (!$1)) {
1177: $f{$_}='!!! Obsolete';
1178: $changed=1;
1179: }
1180: }
1181: } keys %f;
1182:
1183: # -------------------------------------------------------- New and unknown keys
1184:
1185: map {
1186: unless ($existing{$_}) {
1187: $changed=1;
1188: $maxrow++;
1189: $f{'A'.$maxrow}=$_;
1190: }
1191: } sort keys %currentlist;
1192:
1193: if ($changed) { &setformulas($safeeval,%f); }
1194:
1195: &setmaxrow($safeeval,$maxrow);
1196: &setrowlabels($safeeval,%currentlist);
1197:
1198: } else {
1199: return 'Could not access course data';
1200: }
1201: }
1202:
1203: # ----------------------------------- Update rows for student and assess sheets
1204:
1205: sub updatestudentassesssheet {
1206: my $safeeval=shift;
1207: my %bighash;
1208: my $stype=&gettype($safeeval);
1209: my %current=();
1210: unless ($updatedata{$ENV{'request.course.fn'}.'_'.$stype}) {
1211: # -------------------------------------------------------------------- Tie hash
1212: if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db',
1213: &GDBM_READER,0640)) {
1214: # --------------------------------------------------------- Get all assessments
1215:
1216: my %allkeys=('timestamp' =>
1217: 'Timestamp of Last Transaction<br>timestamp');
1218: my %allassess=();
1219:
1220: my $adduserstr='';
1221: if ((&getuname($safeeval) ne $ENV{'user.name'}) ||
1222: (&getudom($safeeval) ne $ENV{'user.domain'})) {
1223: $adduserstr='&uname='.&getuname($safeeval).
1224: '&udom='.&getudom($safeeval);
1225: }
1226:
1227: map {
1228: if ($_=~/^src\_(\d+)\.(\d+)$/) {
1229: my $mapid=$1;
1230: my $resid=$2;
1231: my $id=$mapid.'.'.$resid;
1232: my $srcf=$bighash{$_};
1233: if ($srcf=~/\.(problem|exam|quiz|assess|survey|form)$/) {
1234: my $symb=
1235: &Apache::lonnet::declutter($bighash{'map_id_'.$mapid}).
1236: '___'.$resid.'___'.
1237: &Apache::lonnet::declutter($srcf);
1238: $allassess{$symb}=
1239: '<a href="/adm/assesscalc?usymb='.$symb.$adduserstr.'">'.
1240: $bighash{'title_'.$id}.'</a>';
1241: if ($stype eq 'assesscalc') {
1242: map {
1243: if (($_=~/^stores\_(.*)/) || ($_=~/^parameter\_(.*)/)) {
1244: my $key=$_;
1245: my $display=
1246: &Apache::lonnet::metadata($srcf,$key.'.display');
1247: unless ($display) {
1248: $display.=
1249: &Apache::lonnet::metadata($srcf,$key.'.name');
1250: }
1251: $display.='<br>'.$key;
1252: $allkeys{$key}=$display;
1253: }
1254: } split(/\,/,&Apache::lonnet::metadata($srcf,'keys'));
1255: }
1256: }
1257: }
1258: } keys %bighash;
1259: untie(%bighash);
1260:
1261: #
1262: # %allkeys has a list of storage and parameter displays by unikey
1263: # %allassess has a list of all resource displays by symb
1264: #
1265:
1266: if ($stype eq 'assesscalc') {
1267: %current=%allkeys;
1268: } elsif ($stype eq 'studentcalc') {
1269: %current=%allassess;
1270: }
1271: $updatedata{$ENV{'request.course.fn'}.'_'.$stype}=
1272: join('___;___',%current);
1273: } else {
1274: return 'Could not access course data';
1275: }
1276: # ------------------------------------------------------ Get current from cache
1277: } else {
1278: %current=split(/\_\_\_\;\_\_\_/,
1279: $updatedata{$ENV{'request.course.fn'}.'_'.$stype});
1280: }
1281: # -------------------- Find discrepancies between the course row table and this
1282: #
1283: my %f=&getformulas($safeeval);
1284: my $changed=0;
1285:
1286: my $maxrow=0;
1287: my %existing=();
1288:
1289: # ----------------------------------------------------------- Now obsolete rows
1290: map {
1291: if ($_=~/^A(\d+)/) {
1292: $maxrow=($1>$maxrow)?$1:$maxrow;
1293: my ($usy,$ufn)=split(/\_\_\&\&\&\_\_/,$f{$_});
1294: $existing{$usy}=1;
1295: unless ((defined($current{$usy})) || (!$1)) {
1296: $f{$_}='!!! Obsolete';
1297: $changed=1;
1298: } elsif ($ufn) {
1299: $current{$usy}
1300: =~s/assesscalc\?usymb\=/assesscalc\?ufn\=$ufn\&usymb\=/;
1301: }
1302: }
1303: } keys %f;
1304:
1305: # -------------------------------------------------------- New and unknown keys
1306:
1307: map {
1308: unless ($existing{$_}) {
1309: $changed=1;
1310: $maxrow++;
1311: $f{'A'.$maxrow}=$_;
1312: }
1313: } keys %current;
1314:
1315: if ($changed) { &setformulas($safeeval,%f); }
1316:
1317: &setmaxrow($safeeval,$maxrow);
1318: &setrowlabels($safeeval,%current);
1319:
1320: undef %current;
1321: undef %existing;
1322: }
1323:
1324: # ------------------------------------------------ Load data for one assessment
1325:
1326: sub loadstudent {
1327: my $safeeval=shift;
1328: my %c=();
1329: my %f=&getformulas($safeeval);
1330: $cachedassess=&getuname($safeeval).':'.&getudom($safeeval);
1331: %cachedstores=();
1332: {
1333: my $reply=&Apache::lonnet::reply('dump:'.&getudom($safeeval).':'.
1334: &getuname($safeeval).':'.
1335: &getcid($safeeval),
1336: &getuhome($safeeval));
1337: unless ($reply=~/^error\:/) {
1338: map {
1339: my ($name,$value)=split(/\=/,$_);
1340: $cachedstores{&Apache::lonnet::unescape($name)}=
1341: &Apache::lonnet::unescape($value);
1342: } split(/\&/,$reply);
1343: }
1344: }
1345: my @assessdata=();
1346: map {
1347: if ($_=~/^A(\d+)/) {
1348: my $row=$1;
1349: unless (($f{$_}=~/^\!/) || ($row==0)) {
1350: my ($usy,$ufn)=split(/\_\_\&\&\&\_\_/,$f{$_});
1351: @assessdata=&exportsheet(&getuname($safeeval),
1352: &getudom($safeeval),
1353: 'assesscalc',$usy,$ufn);
1354: my $index=0;
1355: map {
1356: if ($assessdata[$index]) {
1357: my $col=$_;
1358: if ($assessdata[$index]=~/\D/) {
1359: $c{$col.$row}="'".$assessdata[$index]."'";
1360: } else {
1361: $c{$col.$row}=$assessdata[$index];
1362: }
1363: unless ($col eq 'A') {
1364: $f{$col.$row}='import';
1365: }
1366: }
1367: $index++;
1368: } ('A','B','C','D','E','F','G','H','I','J','K','L','M',
1369: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z');
1370: }
1371: }
1372: } keys %f;
1373: $cachedassess='';
1374: undef %cachedstores;
1375: &setformulas($safeeval,%f);
1376: &setconstants($safeeval,%c);
1377: }
1378:
1379: # --------------------------------------------------- Load data for one student
1380:
1381: sub loadcourse {
1382: my ($safeeval,$r)=@_;
1383: my %c=();
1384: my %f=&getformulas($safeeval);
1385: my $total=0;
1386: map {
1387: if ($_=~/^A(\d+)/) {
1388: unless ($f{$_}=~/^\!/) { $total++; }
1389: }
1390: } keys %f;
1391: my $now=0;
1392: my $since=time;
1393: $r->print(<<ENDPOP);
1394: <script>
1395: popwin=open('','popwin','width=400,height=100');
1396: popwin.document.writeln('<html><body bgcolor="#FFFFFF">'+
1397: '<h3>Spreadsheet Calculation Progress</h3>'+
1398: '<form name=popremain>'+
1399: '<input type=text size=35 name=remaining value=Starting></form>'+
1400: '</body></html>');
1401: popwin.document.close();
1402: </script>
1403: ENDPOP
1404: $r->rflush();
1405: map {
1406: if ($_=~/^A(\d+)/) {
1407: my $row=$1;
1408: unless (($f{$_}=~/^\!/) || ($row==0)) {
1409: my @studentdata=&exportsheet(split(/\:/,$f{$_}),
1410: 'studentcalc');
1411: undef %userrdatas;
1412: $now++;
1413: $r->print('<script>popwin.document.popremain.remaining.value="'.
1414: $now.'/'.$total.': '.int((time-$since)/$now*($total-$now)).
1415: ' secs remaining";</script>');
1416: $r->rflush();
1417:
1418: my $index=0;
1419: map {
1420: if ($studentdata[$index]) {
1421: my $col=$_;
1422: if ($studentdata[$index]=~/\D/) {
1423: $c{$col.$row}="'".$studentdata[$index]."'";
1424: } else {
1425: $c{$col.$row}=$studentdata[$index];
1426: }
1427: unless ($col eq 'A') {
1428: $f{$col.$row}='import';
1429: }
1430: }
1431: $index++;
1432: } ('A','B','C','D','E','F','G','H','I','J','K','L','M',
1433: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z');
1434: }
1435: }
1436: } keys %f;
1437: &setformulas($safeeval,%f);
1438: &setconstants($safeeval,%c);
1439: $r->print('<script>popwin.close()</script>');
1440: $r->rflush();
1441: }
1442:
1443: # ------------------------------------------------ Load data for one assessment
1444:
1445: sub loadassessment {
1446: my $safeeval=shift;
1447:
1448: my $uhome=&getuhome($safeeval);
1449: my $uname=&getuname($safeeval);
1450: my $udom=&getudom($safeeval);
1451: my $symb=&getusymb($safeeval);
1452: my $cid=&getcid($safeeval);
1453: my $cnum=&getcnum($safeeval);
1454: my $cdom=&getcdom($safeeval);
1455: my $chome=&getchome($safeeval);
1456:
1457: my $namespace;
1458: unless ($namespace=$cid) { return ''; }
1459:
1460: # ----------------------------------------------------------- Get stored values
1461:
1462: my %returnhash=();
1463:
1464: if ($cachedassess eq $uname.':'.$udom) {
1465: #
1466: # get data out of the dumped stores
1467: #
1468:
1469: my $version=$cachedstores{'version:'.$symb};
1470: my $scope;
1471: for ($scope=1;$scope<=$version;$scope++) {
1472: map {
1473: $returnhash{$_}=$cachedstores{$scope.':'.$symb.':'.$_};
1474: } split(/\:/,$cachedstores{$scope.':keys:'.$symb});
1475: }
1476:
1477: } else {
1478: #
1479: # restore individual
1480: #
1481:
1482: my $answer=&Apache::lonnet::reply(
1483: "restore:$udom:$uname:".
1484: &Apache::lonnet::escape($namespace).":".
1485: &Apache::lonnet::escape($symb),$uhome);
1486: map {
1487: my ($name,$value)=split(/\=/,$_);
1488: $returnhash{&Apache::lonnet::unescape($name)}=
1489: &Apache::lonnet::unescape($value);
1490: } split(/\&/,$answer);
1491: my $version;
1492: for ($version=1;$version<=$returnhash{'version'};$version++) {
1493: map {
1494: $returnhash{$_}=$returnhash{$version.':'.$_};
1495: } split(/\:/,$returnhash{$version.':keys'});
1496: }
1497: }
1498: # ----------------------------- returnhash now has all stores for this resource
1499:
1500: # ---------------------------- initialize coursedata and userdata for this user
1501: undef %courseopt;
1502: undef %useropt;
1503:
1504: my $userprefix=$uname.'_'.$udom.'_';
1505:
1506: unless ($uhome eq 'no_host') {
1507: # -------------------------------------------------------------- Get coursedata
1508: unless
1509: ((time-$courserdatas{$cid.'.last_cache'})<240) {
1510: my $reply=&Apache::lonnet::reply('dump:'.$cdom.':'.$cnum.
1511: ':resourcedata',$chome);
1512: if ($reply!~/^error\:/) {
1513: $courserdatas{$cid}=$reply;
1514: $courserdatas{$cid.'.last_cache'}=time;
1515: }
1516: }
1517: map {
1518: my ($name,$value)=split(/\=/,$_);
1519: $courseopt{$userprefix.&Apache::lonnet::unescape($name)}=
1520: &Apache::lonnet::unescape($value);
1521: } split(/\&/,$courserdatas{$cid});
1522: # --------------------------------------------------- Get userdata (if present)
1523: unless
1524: ((time-$userrdatas{$uname.'___'.$udom.'.last_cache'})<240) {
1525: my $reply=
1526: &Apache::lonnet::reply('dump:'.$udom.':'.$uname.':resourcedata',$uhome);
1527: if ($reply!~/^error\:/) {
1528: $userrdatas{$uname.'___'.$udom}=$reply;
1529: $userrdatas{$uname.'___'.$udom.'.last_cache'}=time;
1530: }
1531: }
1532: map {
1533: my ($name,$value)=split(/\=/,$_);
1534: $useropt{$userprefix.&Apache::lonnet::unescape($name)}=
1535: &Apache::lonnet::unescape($value);
1536: } split(/\&/,$userrdatas{$uname.'___'.$udom});
1537: }
1538: # ----------------- now courseopt, useropt initialized for this user and course
1539: # (used by parmval)
1540:
1541: #
1542: # Load keys for this assessment only
1543: #
1544: my %thisassess=();
1545: my ($symap,$syid,$srcf)=split(/\_\_\_/,$symb);
1546:
1547: map {
1548: $thisassess{$_}=1;
1549: } split(/\,/,&Apache::lonnet::metadata($srcf,'keys'));
1550: #
1551: # Load parameters
1552: #
1553: my %c=();
1554:
1555: if (tie(%parmhash,'GDBM_File',
1556: &getcfn($safeeval).'_parms.db',&GDBM_READER,0640)) {
1557: my %f=&getformulas($safeeval);
1558: map {
1559: if ($_=~/^A/) {
1560: unless ($f{$_}=~/^\!/) {
1561: if ($f{$_}=~/^parameter/) {
1562: if ($thisassess{$f{$_}}) {
1563: my $val=&parmval($f{$_},$safeeval);
1564: $c{$_}=$val;
1565: $c{$f{$_}}=$val;
1566: }
1567: } else {
1568: my $key=$f{$_};
1569: my $ckey=$key;
1570: $key=~s/^stores\_/resource\./;
1571: $key=~s/\_([^\_]+)$/\.$1/;
1572: $c{$_}=$returnhash{$key};
1573: $c{$ckey}=$returnhash{$key};
1574: }
1575: }
1576: }
1577: } keys %f;
1578: untie(%parmhash);
1579: }
1580: &setconstants($safeeval,%c);
1581: }
1582:
1583: # --------------------------------------------------------- Various form fields
1584:
1585: sub textfield {
1586: my ($title,$name,$value)=@_;
1587: return "\n<p><b>$title:</b><br>".
1588: '<input type=text name="'.$name.'" size=80 value="'.$value.'">';
1589: }
1590:
1591: sub hiddenfield {
1592: my ($name,$value)=@_;
1593: return "\n".'<input type=hidden name="'.$name.'" value="'.$value.'">';
1594: }
1595:
1596: sub selectbox {
1597: my ($title,$name,$value,%options)=@_;
1598: my $selout="\n<p><b>$title:</b><br>".'<select name="'.$name.'">';
1599: map {
1600: $selout.='<option value="'.$_.'"';
1601: if ($_ eq $value) { $selout.=' selected'; }
1602: $selout.='>'.$options{$_}.'</option>';
1603: } sort keys %options;
1604: return $selout.'</select>';
1605: }
1606:
1607: # =============================================== Update information in a sheet
1608: #
1609: # Add new users or assessments, etc.
1610: #
1611:
1612: sub updatesheet {
1613: my $safeeval=shift;
1614: my $stype=&gettype($safeeval);
1615: if ($stype eq 'classcalc') {
1616: return &updateclasssheet($safeeval);
1617: } else {
1618: return &updatestudentassesssheet($safeeval);
1619: }
1620: }
1621:
1622: # =================================================== Load the rows for a sheet
1623: #
1624: # Import the data for rows
1625: #
1626:
1627: sub loadrows {
1628: my ($safeeval,$r)=@_;
1629: my $stype=&gettype($safeeval);
1630: if ($stype eq 'classcalc') {
1631: &loadcourse($safeeval,$r);
1632: } elsif ($stype eq 'studentcalc') {
1633: &loadstudent($safeeval);
1634: } else {
1635: &loadassessment($safeeval);
1636: }
1637: }
1638:
1639: # ======================================================= Forced recalculation?
1640:
1641: sub checkthis {
1642: my ($keyname,$time)=@_;
1643: return ($time<$expiredates{$keyname});
1644: }
1645: sub forcedrecalc {
1646: my ($uname,$udom,$stype,$usymb)=@_;
1647: my $key=$uname.':'.$udom.':'.$stype.':'.$usymb;
1648: my $time=$oldsheets{$key.'.time'};
1649: if ($ENV{'form.forcerecalc'}) { return 1; }
1650: unless ($time) { return 1; }
1651: if ($stype eq 'assesscalc') {
1652: my $map=(split(/\_\_\_/,$usymb))[0];
1653: if (&checkthis('::assesscalc:',$time) ||
1654: &checkthis('::assesscalc:'.$map,$time) ||
1655: &checkthis('::assesscalc:'.$usymb,$time) ||
1656: &checkthis($uname.':'.$udom.':assesscalc:',$time) ||
1657: &checkthis($uname.':'.$udom.':assesscalc:'.$map,$time) ||
1658: &checkthis($uname.':'.$udom.':assesscalc:'.$usymb,$time)) {
1659: return 1;
1660: }
1661: } else {
1662: if (&checkthis('::studentcalc:',$time) ||
1663: &checkthis($uname.':'.$udom.':studentcalc:',$time)) {
1664: return 1;
1665: }
1666: }
1667: return 0;
1668: }
1669:
1670: # ============================================================== Export handler
1671: #
1672: # Non-interactive call from with program
1673: #
1674:
1675: sub exportsheet {
1676: my ($uname,$udom,$stype,$usymb,$fn)=@_;
1677: my @exportarr=();
1678: #
1679: # Check if cached
1680: #
1681:
1682: my $key=$uname.':'.$udom.':'.$stype.':'.$usymb;
1683: my $found='';
1684:
1685: if ($oldsheets{$key}) {
1686: map {
1687: my ($name,$value)=split(/\_\_\_\=\_\_\_/,$_);
1688: if ($name eq $fn) {
1689: $found=$value;
1690: }
1691: } split(/\_\_\_\&\_\_\_/,$oldsheets{$key});
1692: }
1693:
1694: unless ($found) {
1695: &cachedssheets($uname,$udom,&Apache::lonnet::homeserver($uname,$udom));
1696: if ($oldsheets{$key}) {
1697: map {
1698: my ($name,$value)=split(/\_\_\_\=\_\_\_/,$_);
1699: if ($name eq $fn) {
1700: $found=$value;
1701: }
1702: } split(/\_\_\_\&\_\_\_/,$oldsheets{$key});
1703: }
1704: }
1705: #
1706: # Check if still valid
1707: #
1708: if ($found) {
1709: if (&forcedrecalc($uname,$udom,$stype,$usymb)) {
1710: $found='';
1711: }
1712: }
1713:
1714: if ($found) {
1715: #
1716: # Return what was cached
1717: #
1718: @exportarr=split(/\_\_\_\;\_\_\_/,$found);
1719:
1720: } else {
1721: #
1722: # Not cached
1723: #
1724:
1725: my $thissheet=&makenewsheet($uname,$udom,$stype,$usymb);
1726: &readsheet($thissheet,$fn);
1727: &updatesheet($thissheet);
1728: &loadrows($thissheet);
1729: &calcsheet($thissheet);
1730: @exportarr=&exportdata($thissheet);
1731: #
1732: # Store now
1733: #
1734: my $cid=$ENV{'request.course.id'};
1735: my $current='';
1736: if ($stype eq 'studentcalc') {
1737: $current=&Apache::lonnet::reply('get:'.
1738: $ENV{'course.'.$cid.'.domain'}.':'.
1739: $ENV{'course.'.$cid.'.num'}.
1740: ':nohist_calculatedsheets:'.
1741: &Apache::lonnet::escape($key),
1742: $ENV{'course.'.$cid.'.home'});
1743: } else {
1744: $current=&Apache::lonnet::reply('get:'.
1745: &getudom($thissheet).':'.
1746: &getuname($thissheet).
1747: ':nohist_calculatedsheets_'.
1748: $ENV{'request.course.id'}.':'.
1749: &Apache::lonnet::escape($key),
1750: &getuhome($thissheet));
1751:
1752: }
1753: my %currentlystored=();
1754: unless ($current=~/^error\:/) {
1755: map {
1756: my ($name,$value)=split(/\_\_\_\=\_\_\_/,$_);
1757: $currentlystored{$name}=$value;
1758: } split(/\_\_\_\&\_\_\_/,&Apache::lonnet::unescape($current));
1759: }
1760: $currentlystored{$fn}=join('___;___',@exportarr);
1761:
1762: my $newstore='';
1763: map {
1764: if ($newstore) { $newstore.='___&___'; }
1765: $newstore.=$_.'___=___'.$currentlystored{$_};
1766: } keys %currentlystored;
1767: my $now=time;
1768: if ($stype eq 'studentcalc') {
1769: &Apache::lonnet::reply('put:'.
1770: $ENV{'course.'.$cid.'.domain'}.':'.
1771: $ENV{'course.'.$cid.'.num'}.
1772: ':nohist_calculatedsheets:'.
1773: &Apache::lonnet::escape($key).'='.
1774: &Apache::lonnet::escape($newstore).'&'.
1775: &Apache::lonnet::escape($key).'.time='.$now,
1776: $ENV{'course.'.$cid.'.home'});
1777: } else {
1778: &Apache::lonnet::reply('put:'.
1779: &getudom($thissheet).':'.
1780: &getuname($thissheet).
1781: ':nohist_calculatedsheets_'.
1782: $ENV{'request.course.id'}.':'.
1783: &Apache::lonnet::escape($key).'='.
1784: &Apache::lonnet::escape($newstore).'&'.
1785: &Apache::lonnet::escape($key).'.time='.$now,
1786: &getuhome($thissheet));
1787: }
1788: }
1789: return @exportarr;
1790: }
1791: # ============================================================ Expiration Dates
1792: #
1793: # Load previously cached student spreadsheets for this course
1794: #
1795:
1796: sub expirationdates {
1797: undef %expiredates;
1798: my $cid=$ENV{'request.course.id'};
1799: my $reply=&Apache::lonnet::reply('dump:'.
1800: $ENV{'course.'.$cid.'.domain'}.':'.
1801: $ENV{'course.'.$cid.'.num'}.
1802: ':nohist_expirationdates',
1803: $ENV{'course.'.$cid.'.home'});
1804: unless ($reply=~/^error\:/) {
1805: map {
1806: my ($name,$value)=split(/\=/,$_);
1807: $expiredates{&Apache::lonnet::unescape($name)}
1808: =&Apache::lonnet::unescape($value);
1809: } split(/\&/,$reply);
1810: }
1811: }
1812:
1813: # ===================================================== Calculated sheets cache
1814: #
1815: # Load previously cached student spreadsheets for this course
1816: #
1817:
1818: sub cachedcsheets {
1819: my $cid=$ENV{'request.course.id'};
1820: my $reply=&Apache::lonnet::reply('dump:'.
1821: $ENV{'course.'.$cid.'.domain'}.':'.
1822: $ENV{'course.'.$cid.'.num'}.
1823: ':nohist_calculatedsheets',
1824: $ENV{'course.'.$cid.'.home'});
1825: unless ($reply=~/^error\:/) {
1826: map {
1827: my ($name,$value)=split(/\=/,$_);
1828: $oldsheets{&Apache::lonnet::unescape($name)}
1829: =&Apache::lonnet::unescape($value);
1830: } split(/\&/,$reply);
1831: }
1832: }
1833:
1834: # ===================================================== Calculated sheets cache
1835: #
1836: # Load previously cached assessment spreadsheets for this student
1837: #
1838:
1839: sub cachedssheets {
1840: my ($sname,$sdom,$shome)=@_;
1841: unless (($loadedcaches{$sname.'_'.$sdom}) || ($shome eq 'no_host')) {
1842: my $cid=$ENV{'request.course.id'};
1843: my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.
1844: ':nohist_calculatedsheets_'.
1845: $ENV{'request.course.id'},
1846: $shome);
1847: unless ($reply=~/^error\:/) {
1848: map {
1849: my ($name,$value)=split(/\=/,$_);
1850: $oldsheets{&Apache::lonnet::unescape($name)}
1851: =&Apache::lonnet::unescape($value);
1852: } split(/\&/,$reply);
1853: }
1854: $loadedcaches{$sname.'_'.$sdom}=1;
1855: }
1856: }
1857:
1858: # ===================================================== Calculated sheets cache
1859: #
1860: # Load previously cached assessment spreadsheets for this student
1861: #
1862:
1863: # ================================================================ Main handler
1864: #
1865: # Interactive call to screen
1866: #
1867: #
1868:
1869:
1870: sub handler {
1871: my $r=shift;
1872:
1873: if ($r->header_only) {
1874: $r->content_type('text/html');
1875: $r->send_http_header;
1876: return OK;
1877: }
1878:
1879: # ---------------------------------------------------- Global directory configs
1880:
1881: $includedir=$r->dir_config('lonIncludes');
1882: $tmpdir=$r->dir_config('lonDaemons').'/tmp/';
1883:
1884: # ----------------------------------------------------- Needs to be in a course
1885:
1886: if ($ENV{'request.course.fn'}) {
1887:
1888: # --------------------------- Get query string for limited number of parameters
1889:
1890: map {
1891: my ($name, $value) = split(/=/,$_);
1892: $value =~ tr/+/ /;
1893: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1894: if (($name eq 'uname') || ($name eq 'udom') ||
1895: ($name eq 'usymb') || ($name eq 'ufn')) {
1896: unless ($ENV{'form.'.$name}) {
1897: $ENV{'form.'.$name}=$value;
1898: }
1899: }
1900: } (split(/&/,$ENV{'QUERY_STRING'}));
1901:
1902: # -------------------------------------- Interactive loading of specific sheet?
1903: if (($ENV{'form.load'}) && ($ENV{'form.loadthissheet'} ne 'Default')) {
1904: $ENV{'form.ufn'}=$ENV{'form.loadthissheet'};
1905: }
1906: # ------------------------------------------- Nothing there? Must be login user
1907:
1908: my $aname;
1909: my $adom;
1910:
1911: unless ($ENV{'form.uname'}) {
1912: $aname=$ENV{'user.name'};
1913: $adom=$ENV{'user.domain'};
1914: } else {
1915: $aname=$ENV{'form.uname'};
1916: $adom=$ENV{'form.udom'};
1917: }
1918:
1919: # ------------------------------------------------------------------- Open page
1920:
1921: $r->content_type('text/html');
1922: $r->header_out('Cache-control','no-cache');
1923: $r->header_out('Pragma','no-cache');
1924: $r->send_http_header;
1925:
1926: # --------------------------------------------------------------- Screen output
1927:
1928: $r->print('<html><head><title>LON-CAPA Spreadsheet</title>');
1929: $r->print(<<ENDSCRIPT);
1930: <script language="JavaScript">
1931:
1932: function celledit(cn,cf) {
1933: var cnf=prompt(cn,cf);
1934: if (cnf!=null) {
1935: document.sheet.unewfield.value=cn;
1936: document.sheet.unewformula.value=cnf;
1937: document.sheet.submit();
1938: }
1939: }
1940:
1941: function changesheet(cn) {
1942: document.sheet.unewfield.value=cn;
1943: document.sheet.unewformula.value='changesheet';
1944: document.sheet.submit();
1945: }
1946:
1947: </script>
1948: ENDSCRIPT
1949: $r->print('</head><body bgcolor="#FFFFFF">'.
1950: '<img align=right src=/adm/lonIcons/lonlogos.gif>'.
1951: '<h1>LON-CAPA Spreadsheet</h1>'.
1952: '<form action="'.$r->uri.'" name=sheet method=post>'.
1953: &hiddenfield('uname',$ENV{'form.uname'}).
1954: &hiddenfield('udom',$ENV{'form.udom'}).
1955: &hiddenfield('usymb',$ENV{'form.usymb'}).
1956: &hiddenfield('unewfield','').
1957: &hiddenfield('unewformula',''));
1958:
1959: # ---------------------- Make sure that this gets out, even if user hits "stop"
1960:
1961: $r->rflush();
1962:
1963: # ---------------------------------------------------------------- Full recalc?
1964:
1965:
1966: if ($ENV{'form.forcerecalc'}) {
1967: $r->print('<h4>Completely Recalculating Sheet ...</h4>');
1968: undef %spreadsheets;
1969: undef %courserdatas;
1970: undef %userrdatas;
1971: undef %defaultsheets;
1972: undef %updatedata;
1973: }
1974:
1975: # ---------------------------------------- Read new sheet or modified worksheet
1976:
1977: $r->uri=~/\/(\w+)$/;
1978:
1979: my $asheet=&makenewsheet($aname,$adom,$1,$ENV{'form.usymb'});
1980:
1981: # ------------------------ If a new formula had been entered, go from work copy
1982:
1983: if ($ENV{'form.unewfield'}) {
1984: $r->print('<h2>Modified Workcopy</h2>');
1985: $ENV{'form.unewformula'}=~s/\'/\"/g;
1986: $r->print('<p>New formula: '.$ENV{'form.unewfield'}.'='.
1987: $ENV{'form.unewformula'}.'<p>');
1988: &setfilename($asheet,$ENV{'form.ufn'});
1989: &tmpread($asheet,
1990: $ENV{'form.unewfield'},$ENV{'form.unewformula'});
1991:
1992: } elsif ($ENV{'form.saveas'}) {
1993: &setfilename($asheet,$ENV{'form.ufn'});
1994: &tmpread($asheet);
1995: } else {
1996: &readsheet($asheet,$ENV{'form.ufn'});
1997: }
1998:
1999: # -------------------------------------------------- Print out user information
2000:
2001: unless (&gettype($asheet) eq 'classcalc') {
2002: $r->print('<p><b>User:</b> '.&getuname($asheet).
2003: '<br><b>Domain:</b> '.&getudom($asheet));
2004: if (&getcsec($asheet) eq '-1') {
2005: $r->print('<h3><font color=red>'.
2006: 'Not a student in this course</font></h3>');
2007: } else {
2008: $r->print('<br><b>Section/Group:</b> '.&getcsec($asheet));
2009: }
2010: }
2011:
2012: # ---------------------------------------------------------------- Course title
2013:
2014: $r->print('<h1>'.
2015: $ENV{'course.'.$ENV{'request.course.id'}.'.description'}.
2016: '</h1><h3>'.localtime().'</h3>');
2017:
2018: # ---------------------------------------------------- See if user can see this
2019:
2020: if ((&gettype($asheet) eq 'classcalc') ||
2021: (&getuname($asheet) ne $ENV{'user.name'}) ||
2022: (&getudom($asheet) ne $ENV{'user.domain'})) {
2023: unless (&Apache::lonnet::allowed('vgr',&getcid($asheet))) {
2024: $r->print(
2025: '<h1>Access Permission Denied</h1></form></body></html>');
2026: return OK;
2027: }
2028: }
2029:
2030: # ---------------------------------------------------------- Additional options
2031:
2032: $r->print(
2033: '<input type=submit name=forcerecalc value="Completely Recalculate Sheet"><p>'
2034: );
2035: if (&gettype($asheet) eq 'assesscalc') {
2036: $r->print ('<p><font size=+2><a href="/adm/studentcalc?uname='.
2037: &getuname($asheet).
2038: '&udom='.&getudom($asheet).
2039: '">Level up: Student Sheet</a></font><p>');
2040: }
2041:
2042: if ((&gettype($asheet) eq 'studentcalc') &&
2043: (&Apache::lonnet::allowed('vgr',&getcid($asheet)))) {
2044: $r->print (
2045: '<p><font size=+2><a href="/adm/classcalc">'.
2046: 'Level up: Course Sheet</a></font><p>');
2047: }
2048:
2049:
2050: # ----------------------------------------------------------------- Save dialog
2051:
2052:
2053: if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
2054: my $fname=$ENV{'form.ufn'};
2055: $fname=~s/\_[^\_]+$//;
2056: if ($fname eq 'default') { $fname='course_default'; }
2057: $r->print('<input type=submit name=saveas value="Save as ...">'.
2058: '<input type=text size=20 name=newfn value="'.$fname.
2059: '"> (make default: <input type=checkbox name="makedefufn">)<p>');
2060: }
2061:
2062: $r->print(&hiddenfield('ufn',&getfilename($asheet)));
2063:
2064: # ----------------------------------------------------------------- Load dialog
2065: if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
2066: $r->print('<p><input type=submit name=load value="Load ...">'.
2067: '<select name="loadthissheet">'.
2068: '<option name="default">Default</option>');
2069: map {
2070: $r->print('<option name="'.$_.'"');
2071: if ($ENV{'form.ufn'} eq $_) {
2072: $r->print(' selected');
2073: }
2074: $r->print('>'.$_.'</option>');
2075: } &othersheets($asheet,&gettype($asheet));
2076: $r->print('</select><p>');
2077: if (&gettype($asheet) eq 'studentcalc') {
2078: &setothersheets($asheet,&othersheets($asheet,'assesscalc'));
2079: }
2080: }
2081:
2082: # --------------------------------------------------------------- Cached sheets
2083:
2084: &expirationdates();
2085:
2086: undef %oldsheets;
2087: undef %loadedcaches;
2088:
2089: if (&gettype($asheet) eq 'classcalc') {
2090: $r->print("Loading previously calculated student sheets ...<br>\n");
2091: $r->rflush();
2092: &cachedcsheets();
2093: } elsif (&gettype($asheet) eq 'studentcalc') {
2094: $r->print("Loading previously calculated assessment sheets ...<br>\n");
2095: $r->rflush();
2096: &cachedssheets(&getuname($asheet),&getudom($asheet),
2097: &getuhome($asheet));
2098: }
2099:
2100: # ----------------------------------------------------- Update sheet, load rows
2101:
2102: $r->print("Loaded sheet(s), updating rows ...<br>\n");
2103: $r->rflush();
2104:
2105: &updatesheet($asheet);
2106:
2107: $r->print("Updated rows, loading row data ...<br>\n");
2108: $r->rflush();
2109:
2110: &loadrows($asheet,$r);
2111:
2112: $r->print("Loaded row data, calculating sheet ...<br>\n");
2113: $r->rflush();
2114:
2115: my $calcoutput=&calcsheet($asheet);
2116: $r->print('<h3><font color=red>'.$calcoutput.'</h3></font>');
2117:
2118: # ---------------------------------------------------- See if something to save
2119:
2120: if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
2121: my $fname='';
2122: if ($ENV{'form.saveas'} && ($fname=$ENV{'form.newfn'})) {
2123: $fname=~s/\W/\_/g;
2124: if ($fname eq 'default') { $fname='course_default'; }
2125: $fname.='_'.&gettype($asheet);
2126: &setfilename($asheet,$fname);
2127: $ENV{'form.ufn'}=$fname;
2128: $r->print('<p>Saving spreadsheet: '.
2129: &writesheet($asheet,$ENV{'form.makedefufn'}).'<p>');
2130: }
2131: }
2132:
2133: # ------------------------------------------------ Write the modified worksheet
2134:
2135: $r->print('<b>Current sheet:</b> '.&getfilename($asheet).'<p>');
2136:
2137: &tmpwrite($asheet);
2138:
2139: if (&gettype($asheet) eq 'studentcalc') {
2140: $r->print('<br>Show rows with empty A column: ');
2141: } else {
2142: $r->print('<br>Show empty rows: ');
2143: }
2144: $r->print('<input type=checkbox name=showall onClick="submit()"');
2145: if ($ENV{'form.showall'}) { $r->print(' checked'); }
2146: $r->print('>');
2147: if (&gettype($asheet) eq 'classcalc') {
2148: $r->print(
2149: ' Output CSV format: <input type=checkbox name=showcsv onClick="submit()"');
2150: if ($ENV{'form.showcsv'}) { $r->print(' checked'); }
2151: $r->print('>');
2152: }
2153: # ------------------------------------------------------------- Print out sheet
2154:
2155: &outsheet($r,$asheet);
2156: $r->print('</form></body></html>');
2157:
2158: # ------------------------------------------------------------------------ Done
2159: } else {
2160: # ----------------------------- Not in a course, or not allowed to modify parms
2161: $ENV{'user.error.msg'}=
2162: $r->uri.":opa:0:0:Cannot modify spreadsheet";
2163: return HTTP_NOT_ACCEPTABLE;
2164: }
2165: return OK;
2166:
2167: }
2168:
2169: 1;
2170: __END__
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