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: $defaultbg='#E0FF';
679: }
680: unless ($ENV{'form.showcsv'}) {
681: $rowdata.="\n<tr><td><b><font size=+1>$n</font></b></td>";
682: } else {
683: $rowdata.="\n".'"'.$n.'"';
684: }
685: my $showf=0;
686: my $proc;
687: my $maxred;
688: my $sheettype=&gettype($safeeval);
689: if ($sheettype eq 'studentcalc') {
690: $proc='&outrowassess';
691: $maxred=26;
692: } else {
693: $proc='&outrow';
694: }
695: if ($sheettype eq 'assesscalc') {
696: $maxred=1;
697: } else {
698: $maxred=26;
699: }
700: if ($n eq '-') { $proc='&templaterow'; $n=-1; $dataflag=1; }
701: map {
702: my $bgcolor=$defaultbg.((($showf-1)/5==int(($showf-1)/5))?'99':'DD');
703: my ($fm,$vl)=split(/\_\_\_eq\_\_\_/,$_);
704: if ((($vl ne '') || ($vl eq '0')) &&
705: (($showf==1) || ($sheettype ne 'studentcalc'))) { $dataflag=1; }
706: if ($showf==0) { $vl=$_; }
707: unless ($ENV{'form.showcsv'}) {
708: if ($showf<=$maxred) { $bgcolor='#FFDDDD'; }
709: if (($n==0) && ($showf<=26)) { $bgcolor='#CCCCFF'; }
710: if (($showf>$maxred) || ((!$n) && ($showf>0))) {
711: if ($vl eq '') {
712: $vl='<font size=+2 color='.$bgcolor.'>#</font>';
713: }
714: $rowdata.=
715: '<td bgcolor='.$bgcolor.'><a href="javascript:celledit('.$fm.');">'.$vl.
716: '</a></td>';
717: } else {
718: $rowdata.='<td bgcolor='.$bgcolor.'> '.$vl.' </td>';
719: }
720: } else {
721: $rowdata.=',"'.$vl.'"';
722: }
723: $showf++;
724: } $safeeval->reval($proc.'('.$n.')');
725: if ($ENV{'form.showall'} || ($dataflag)) {
726: return $rowdata.($ENV{'form.showcsv'}?'':'</tr>');
727: } else {
728: return '';
729: }
730: }
731:
732: # ------------------------------------------------------------- Print out sheet
733:
734: sub outsheet {
735: my ($r,$safeeval)=@_;
736: my $maxred;
737: my $realm;
738: if (&gettype($safeeval) eq 'assesscalc') {
739: $maxred=1;
740: $realm='Assessment';
741: } elsif (&gettype($safeeval) eq 'studentcalc') {
742: $maxred=26;
743: $realm='User';
744: } else {
745: $maxred=26;
746: $realm='Course';
747: }
748: my $maxyellow=52-$maxred;
749: my $tabledata;
750: unless ($ENV{'form.showcsv'}) {
751: $tabledata=
752: '<table border=2><tr><th colspan=2 rowspan=2><font size=+2>'.
753: $realm.'</font></th>'.
754: '<td bgcolor=#FFDDDD colspan='.$maxred.
755: '><b><font size=+1>Import</font></b></td>'.
756: '<td colspan='.$maxyellow.
757: '><b><font size=+1>Calculations</font></b></td></tr><tr>';
758: my $showf=0;
759: map {
760: $showf++;
761: if ($showf<=$maxred) {
762: $tabledata.='<td bgcolor="#FFDDDD">';
763: } else {
764: $tabledata.='<td>';
765: }
766: $tabledata.="<b><font size=+1>$_</font></b></td>";
767: } ('A','B','C','D','E','F','G','H','I','J','K','L','M',
768: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
769: 'a','b','c','d','e','f','g','h','i','j','k','l','m',
770: 'n','o','p','q','r','s','t','u','v','w','x','y','z');
771: $tabledata.='</tr>'.&rown($safeeval,'-').&rown($safeeval,0);
772: } else { $tabledata='<pre>'; }
773:
774: $r->print($tabledata);
775:
776: my $row;
777: my $maxrow=&getmaxrow($safeeval);
778:
779: my @sortby=();
780: my @sortidx=();
781: for ($row=1;$row<=$maxrow;$row++) {
782: $sortby[$row-1]=$safeeval->reval('$f{"A'.$row.'"}');
783: $sortidx[$row-1]=$row-1;
784: }
785: @sortidx=sort { $sortby[$a] cmp $sortby[$b]; } @sortidx;
786:
787: my $what='Student';
788: if (&gettype($safeeval) eq 'assesscalc') {
789: $what='Item';
790: } elsif (&gettype($safeeval) eq 'studentcalc') {
791: $what='Assessment';
792: }
793:
794: my $n=0;
795: for ($row=0;$row<$maxrow;$row++) {
796: my $thisrow=&rown($safeeval,$sortidx[$row]+1);
797: if ($thisrow) {
798: if (($n/25==int($n/25)) && (!$ENV{'form.showcsv'})) {
799: $r->print("</table>\n<br>\n");
800: $r->rflush();
801: $r->print('<table border=2><tr><td> <td>'.$what.'</td>');
802: map {
803: $r->print('<td>'.$_.'</td>');
804: } ('A','B','C','D','E','F','G','H','I','J','K','L','M',
805: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
806: 'a','b','c','d','e','f','g','h','i','j','k','l','m',
807: 'n','o','p','q','r','s','t','u','v','w','x','y','z');
808: $r->print('</tr>');
809: }
810: $n++;
811: $r->print($thisrow);
812: }
813: }
814: $r->print($ENV{'form.showcsv'}?'</pre>':'</table>');
815: }
816:
817: #
818: # ----------------------------------------------- Read list of available sheets
819: #
820:
821: sub othersheets {
822: my ($safeeval,$stype)=@_;
823:
824: my $cnum=&getcnum($safeeval);
825: my $cdom=&getcdom($safeeval);
826: my $chome=&getchome($safeeval);
827:
828: my @alternatives=();
829: my $result=&Apache::lonnet::reply('dump:'.$cdom.':'.$cnum.':'.
830: $stype.'_spreadsheets',$chome);
831: if ($result!~/^error\:/) {
832: map {
833: $alternatives[$#alternatives+1]=
834: &Apache::lonnet::unescape((split(/\=/,$_))[0]);
835: } split(/\&/,$result);
836: }
837: return @alternatives;
838: }
839:
840: #
841: # -------------------------------------- Read spreadsheet formulas for a course
842: #
843:
844: sub readsheet {
845: my ($safeeval,$fn)=@_;
846: my $stype=&gettype($safeeval);
847: my $cnum=&getcnum($safeeval);
848: my $cdom=&getcdom($safeeval);
849: my $chome=&getchome($safeeval);
850:
851: # --------- There is no filename. Look for defaults in course and global, cache
852:
853: unless($fn) {
854: unless ($fn=$defaultsheets{$cnum.'_'.$cdom.'_'.$stype}) {
855: $fn=&Apache::lonnet::reply('get:'.$cdom.':'.$cnum.
856: ':environment:spreadsheet_default_'.$stype,
857: $chome);
858: unless (($fn) && ($fn!~/^error\:/)) {
859: $fn='default_'.$stype;
860: }
861: $defaultsheets{$cnum.'_'.$cdom.'_'.$stype}=$fn;
862: }
863: }
864:
865: # ---------------------------------------------------------- fn now has a value
866:
867: &setfilename($safeeval,$fn);
868:
869: # ------------------------------------------------------ see if sheet is cached
870: my $fstring='';
871: if ($fstring=$spreadsheets{$cnum.'_'.$cdom.'_'.$stype.'_'.$fn}) {
872: &setformulas($safeeval,split(/\_\_\_\;\_\_\_/,$fstring));
873: } else {
874:
875: # ---------------------------------------------------- Not cached, need to read
876:
877: my %f=();
878:
879: if ($fn=~/^default\_/) {
880: my $sheetxml='';
881: {
882: my $fh;
883: if ($fh=Apache::File->new($includedir.
884: '/default.'.&gettype($safeeval))) {
885: $sheetxml=join('',<$fh>);
886: }
887: }
888: my $parser=HTML::TokeParser->new(\$sheetxml);
889: my $token;
890: while ($token=$parser->get_token) {
891: if ($token->[0] eq 'S') {
892: if ($token->[1] eq 'field') {
893: $f{$token->[2]->{'col'}.$token->[2]->{'row'}}=
894: $parser->get_text('/field');
895: }
896: if ($token->[1] eq 'template') {
897: $f{'template_'.$token->[2]->{'col'}}=
898: $parser->get_text('/template');
899: }
900: }
901: }
902: } else {
903: my $sheet='';
904: my $reply=&Apache::lonnet::reply('dump:'.$cdom.':'.$cnum.':'.$fn,
905: $chome);
906: unless ($reply=~/^error\:/) {
907: $sheet=$reply;
908: }
909: map {
910: my ($name,$value)=split(/\=/,$_);
911: $f{&Apache::lonnet::unescape($name)}=
912: &Apache::lonnet::unescape($value);
913: } split(/\&/,$sheet);
914: }
915: # --------------------------------------------------------------- Cache and set
916: $spreadsheets{$cnum.'_'.$cdom.'_'.$stype.'_'.$fn}=join('___;___',%f);
917: &setformulas($safeeval,%f);
918: }
919: }
920:
921: # -------------------------------------------------------- Make new spreadsheet
922:
923: sub makenewsheet {
924: my ($uname,$udom,$stype,$usymb)=@_;
925: my $safeeval=initsheet($stype);
926: $safeeval->reval(
927: '$uname="'.$uname.
928: '";$udom="'.$udom.
929: '";$uhome="'.&Apache::lonnet::homeserver($uname,$udom).
930: '";$sheettype="'.$stype.
931: '";$usymb="'.$usymb.
932: '";$csec="'.&Apache::lonnet::usection($udom,$uname,
933: $ENV{'request.course.id'}).
934: '";$cid="'.$ENV{'request.course.id'}.
935: '";$cfn="'.$ENV{'request.course.fn'}.
936: '";$cnum="'.$ENV{'course.'.$ENV{'request.course.id'}.'.num'}.
937: '";$cdom="'.$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.
938: '";$chome="'.$ENV{'course.'.$ENV{'request.course.id'}.'.home'}.'";');
939: return $safeeval;
940: }
941:
942: # ------------------------------------------------------------ Save spreadsheet
943:
944: sub writesheet {
945: my ($safeeval,$makedef)=@_;
946: my $cid=&getcid($safeeval);
947: if (&Apache::lonnet::allowed('opa',$cid)) {
948: my %f=&getformulas($safeeval);
949: my $stype=&gettype($safeeval);
950: my $cnum=&getcnum($safeeval);
951: my $cdom=&getcdom($safeeval);
952: my $chome=&getchome($safeeval);
953: my $fn=&getfilename($safeeval);
954:
955: # ------------------------------------------------------------- Cache new sheet
956: $spreadsheets{$cnum.'_'.$cdom.'_'.$stype.'_'.$fn}=join('___;___',%f);
957: # ----------------------------------------------------------------- Write sheet
958: my $sheetdata='';
959: map {
960: unless ($f{$_} eq 'import') {
961: $sheetdata.=&Apache::lonnet::escape($_).'='.
962: &Apache::lonnet::escape($f{$_}).'&';
963: }
964: } keys %f;
965: $sheetdata=~s/\&$//;
966: my $reply=&Apache::lonnet::reply('put:'.$cdom.':'.$cnum.':'.$fn.':'.
967: $sheetdata,$chome);
968: if ($reply eq 'ok') {
969: $reply=&Apache::lonnet::reply('put:'.$cdom.':'.$cnum.':'.
970: $stype.'_spreadsheets:'.
971: &Apache::lonnet::escape($fn).'='.$ENV{'user.name'}.'@'.
972: $ENV{'user.domain'},
973: $chome);
974: if ($reply eq 'ok') {
975: if ($makedef) {
976: return &Apache::lonnet::reply('put:'.$cdom.':'.$cnum.
977: ':environment:spreadsheet_default_'.$stype.'='.
978: &Apache::lonnet::escape($fn),
979: $chome);
980: } else {
981: return $reply;
982: }
983: } else {
984: return $reply;
985: }
986: } else {
987: return $reply;
988: }
989: }
990: return 'unauthorized';
991: }
992:
993: # ----------------------------------------------- Make a temp copy of the sheet
994: # "Modified workcopy" - interactive only
995: #
996:
997: sub tmpwrite {
998: my $safeeval=shift;
999: my $fn=$ENV{'user.name'}.'_'.
1000: $ENV{'user.domain'}.'_spreadsheet_'.&getusymb($safeeval).'_'.
1001: &getfilename($safeeval);
1002: $fn=~s/\W/\_/g;
1003: $fn=$tmpdir.$fn.'.tmp';
1004: my $fh;
1005: if ($fh=Apache::File->new('>'.$fn)) {
1006: print $fh join("\n",&getformulas($safeeval));
1007: }
1008: }
1009:
1010: # ---------------------------------------------------------- Read the temp copy
1011:
1012: sub tmpread {
1013: my ($safeeval,$nfield,$nform)=@_;
1014: my $fn=$ENV{'user.name'}.'_'.
1015: $ENV{'user.domain'}.'_spreadsheet_'.&getusymb($safeeval).'_'.
1016: &getfilename($safeeval);
1017: $fn=~s/\W/\_/g;
1018: $fn=$tmpdir.$fn.'.tmp';
1019: my $fh;
1020: my %fo=();
1021: if ($fh=Apache::File->new($fn)) {
1022: my $name;
1023: while ($name=<$fh>) {
1024: chomp($name);
1025: my $value=<$fh>;
1026: chomp($value);
1027: $fo{$name}=$value;
1028: }
1029: }
1030: if ($nform eq 'changesheet') {
1031: $fo{'A'.$nfield}=(split(/\_\_\&\&\&\_\_/,$fo{'A'.$nfield}))[0];
1032: unless ($ENV{'form.sel_'.$nfield} eq 'Default') {
1033: $fo{'A'.$nfield}.='__&&&__'.$ENV{'form.sel_'.$nfield};
1034: }
1035: } else {
1036: if ($nfield) { $fo{$nfield}=$nform; }
1037: }
1038: &setformulas($safeeval,%fo);
1039: }
1040:
1041: # ================================================================== Parameters
1042: # -------------------------------------------- Figure out a cascading parameter
1043: #
1044: # For this function to work
1045: #
1046: # * parmhash needs to be tied
1047: # * courseopt and useropt need to be initialized for this user and course
1048: #
1049:
1050: sub parmval {
1051: my ($what,$safeeval)=@_;
1052: my $cid=&getcid($safeeval);
1053: my $csec=&getcsec($safeeval);
1054: my $uname=&getuname($safeeval);
1055: my $udom=&getudom($safeeval);
1056: my $symb=&getusymb($safeeval);
1057:
1058: unless ($symb) { return ''; }
1059: my $result='';
1060:
1061: my ($mapname,$id,$fn)=split(/\_\_\_/,$symb);
1062: # ----------------------------------------------------- Cascading lookup scheme
1063: my $rwhat=$what;
1064: $what=~s/^parameter\_//;
1065: $what=~s/\_([^\_]+)$/\.$1/;
1066:
1067: my $symbparm=$symb.'.'.$what;
1068: my $mapparm=$mapname.'___(all).'.$what;
1069: my $usercourseprefix=$uname.'_'.$udom.'_'.$cid;
1070:
1071: my $seclevel=
1072: $usercourseprefix.'.['.
1073: $csec.'].'.$what;
1074: my $seclevelr=
1075: $usercourseprefix.'.['.
1076: $csec.'].'.$symbparm;
1077: my $seclevelm=
1078: $usercourseprefix.'.['.
1079: $csec.'].'.$mapparm;
1080:
1081: my $courselevel=
1082: $usercourseprefix.'.'.$what;
1083: my $courselevelr=
1084: $usercourseprefix.'.'.$symbparm;
1085: my $courselevelm=
1086: $usercourseprefix.'.'.$mapparm;
1087:
1088: # ---------------------------------------------------------- fourth, check user
1089:
1090: if ($uname) {
1091:
1092: if ($useropt{$courselevelr}) { return $useropt{$courselevelr}; }
1093:
1094: if ($useropt{$courselevelm}) { return $useropt{$courselevelm}; }
1095:
1096: if ($useropt{$courselevel}) { return $useropt{$courselevel}; }
1097:
1098: }
1099:
1100: # --------------------------------------------------------- third, check course
1101:
1102: if ($csec) {
1103:
1104: if ($courseopt{$seclevelr}) { return $courseopt{$seclevelr}; }
1105:
1106: if ($courseopt{$seclevelm}) { return $courseopt{$seclevelm}; }
1107:
1108: if ($courseopt{$seclevel}) { return $courseopt{$seclevel}; }
1109:
1110: }
1111:
1112: if ($courseopt{$courselevelr}) { return $courseopt{$courselevelr}; }
1113:
1114: if ($courseopt{$courselevelm}) { return $courseopt{$courselevelm}; }
1115:
1116: if ($courseopt{$courselevel}) { return $courseopt{$courselevel}; }
1117:
1118: # ----------------------------------------------------- second, check map parms
1119:
1120: my $thisparm=$parmhash{$symbparm};
1121: if ($thisparm) { return $thisparm; }
1122:
1123: # -------------------------------------------------------- first, check default
1124:
1125: return &Apache::lonnet::metadata($fn,$rwhat.'.default');
1126:
1127: }
1128:
1129: # ---------------------------------------------- Update rows for course listing
1130:
1131: sub updateclasssheet {
1132: my $safeeval=shift;
1133: my $cnum=&getcnum($safeeval);
1134: my $cdom=&getcdom($safeeval);
1135: my $cid=&getcid($safeeval);
1136: my $chome=&getchome($safeeval);
1137:
1138: # ---------------------------------------------- Read class list and row labels
1139:
1140: my $classlst=&Apache::lonnet::reply
1141: ('dump:'.$cdom.':'.$cnum.':classlist',$chome);
1142: my %currentlist=();
1143: my $now=time;
1144: unless ($classlst=~/^error\:/) {
1145: map {
1146: my ($name,$value)=split(/\=/,$_);
1147: my ($end,$start)=split(/\:/,&Apache::lonnet::unescape($value));
1148: my $active=1;
1149: if (($end) && ($now>$end)) { $active=0; }
1150: if ($active) {
1151: my $rowlabel='';
1152: $name=&Apache::lonnet::unescape($name);
1153: my ($sname,$sdom)=split(/\:/,$name);
1154: my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);
1155: if ($ssec==-1) {
1156: unless ($ENV{'form.showcsv'}) {
1157: $rowlabel='<font color=red>Data not available: '.$name.
1158: '</font>';
1159: } else {
1160: $rowlabel='ERROR","'.$name.
1161: '","Data not available","","","';
1162: }
1163: } else {
1164: my %reply=&Apache::lonnet::idrget($sdom,$sname);
1165: my $reply=&Apache::lonnet::reply('get:'.$sdom.':'.$sname.
1166: ':environment:firstname&middlename&lastname&generation',
1167: &Apache::lonnet::homeserver($sname,$sdom));
1168: unless ($ENV{'form.showcsv'}) {
1169: $rowlabel='<a href="/adm/studentcalc?uname='.$sname.
1170: '&udom='.$sdom.'">'.
1171: $ssec.' '.$reply{$sname}.'<br>';
1172: map {
1173: $rowlabel.=&Apache::lonnet::unescape($_).' ';
1174: } split(/\&/,$reply);
1175: $rowlabel.='</a>';
1176: } else {
1177: $rowlabel=$ssec.'","'.$reply{$sname}.'"';
1178: my $ncount=0;
1179: map {
1180: $rowlabel.=',"'.&Apache::lonnet::unescape($_).'"';
1181: $ncount++;
1182: } split(/\&/,$reply);
1183: unless ($ncount==4) { $rowlabel.=',""'; }
1184: $rowlabel=~s/\"$//;
1185: }
1186: }
1187: $currentlist{&Apache::lonnet::unescape($name)}=$rowlabel;
1188: }
1189: } split(/\&/,$classlst);
1190: #
1191: # -------------------- Find discrepancies between the course row table and this
1192: #
1193: my %f=&getformulas($safeeval);
1194: my $changed=0;
1195:
1196: my $maxrow=0;
1197: my %existing=();
1198:
1199: # ----------------------------------------------------------- Now obsolete rows
1200: map {
1201: if ($_=~/^A(\d+)/) {
1202: $maxrow=($1>$maxrow)?$1:$maxrow;
1203: $existing{$f{$_}}=1;
1204: unless ((defined($currentlist{$f{$_}})) || (!$1)) {
1205: $f{$_}='!!! Obsolete';
1206: $changed=1;
1207: }
1208: }
1209: } keys %f;
1210:
1211: # -------------------------------------------------------- New and unknown keys
1212:
1213: map {
1214: unless ($existing{$_}) {
1215: $changed=1;
1216: $maxrow++;
1217: $f{'A'.$maxrow}=$_;
1218: }
1219: } sort keys %currentlist;
1220:
1221: if ($changed) { &setformulas($safeeval,%f); }
1222:
1223: &setmaxrow($safeeval,$maxrow);
1224: &setrowlabels($safeeval,%currentlist);
1225:
1226: } else {
1227: return 'Could not access course data';
1228: }
1229: }
1230:
1231: # ----------------------------------- Update rows for student and assess sheets
1232:
1233: sub updatestudentassesssheet {
1234: my $safeeval=shift;
1235: my %bighash;
1236: my $stype=&gettype($safeeval);
1237: my %current=();
1238: unless ($updatedata{$ENV{'request.course.fn'}.'_'.$stype}) {
1239: # -------------------------------------------------------------------- Tie hash
1240: if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db',
1241: &GDBM_READER,0640)) {
1242: # --------------------------------------------------------- Get all assessments
1243:
1244: my %allkeys=('timestamp' =>
1245: 'Timestamp of Last Transaction<br>timestamp');
1246: my %allassess=();
1247:
1248: my $adduserstr='';
1249: if ((&getuname($safeeval) ne $ENV{'user.name'}) ||
1250: (&getudom($safeeval) ne $ENV{'user.domain'})) {
1251: $adduserstr='&uname='.&getuname($safeeval).
1252: '&udom='.&getudom($safeeval);
1253: }
1254:
1255: map {
1256: if ($_=~/^src\_(\d+)\.(\d+)$/) {
1257: my $mapid=$1;
1258: my $resid=$2;
1259: my $id=$mapid.'.'.$resid;
1260: my $srcf=$bighash{$_};
1261: if ($srcf=~/\.(problem|exam|quiz|assess|survey|form)$/) {
1262: my $symb=
1263: &Apache::lonnet::declutter($bighash{'map_id_'.$mapid}).
1264: '___'.$resid.'___'.
1265: &Apache::lonnet::declutter($srcf);
1266: $allassess{$symb}=
1267: '<a href="/adm/assesscalc?usymb='.$symb.$adduserstr.'">'.
1268: $bighash{'title_'.$id}.'</a>';
1269: if ($stype eq 'assesscalc') {
1270: map {
1271: if (($_=~/^stores\_(.*)/) || ($_=~/^parameter\_(.*)/)) {
1272: my $key=$_;
1273: my $display=
1274: &Apache::lonnet::metadata($srcf,$key.'.display');
1275: unless ($display) {
1276: $display.=
1277: &Apache::lonnet::metadata($srcf,$key.'.name');
1278: }
1279: $display.='<br>'.$key;
1280: $allkeys{$key}=$display;
1281: }
1282: } split(/\,/,&Apache::lonnet::metadata($srcf,'keys'));
1283: }
1284: }
1285: }
1286: } keys %bighash;
1287: untie(%bighash);
1288:
1289: #
1290: # %allkeys has a list of storage and parameter displays by unikey
1291: # %allassess has a list of all resource displays by symb
1292: #
1293:
1294: if ($stype eq 'assesscalc') {
1295: %current=%allkeys;
1296: } elsif ($stype eq 'studentcalc') {
1297: %current=%allassess;
1298: }
1299: $updatedata{$ENV{'request.course.fn'}.'_'.$stype}=
1300: join('___;___',%current);
1301: } else {
1302: return 'Could not access course data';
1303: }
1304: # ------------------------------------------------------ Get current from cache
1305: } else {
1306: %current=split(/\_\_\_\;\_\_\_/,
1307: $updatedata{$ENV{'request.course.fn'}.'_'.$stype});
1308: }
1309: # -------------------- Find discrepancies between the course row table and this
1310: #
1311: my %f=&getformulas($safeeval);
1312: my $changed=0;
1313:
1314: my $maxrow=0;
1315: my %existing=();
1316:
1317: # ----------------------------------------------------------- Now obsolete rows
1318: map {
1319: if ($_=~/^A(\d+)/) {
1320: $maxrow=($1>$maxrow)?$1:$maxrow;
1321: my ($usy,$ufn)=split(/\_\_\&\&\&\_\_/,$f{$_});
1322: $existing{$usy}=1;
1323: unless ((defined($current{$usy})) || (!$1)) {
1324: $f{$_}='!!! Obsolete';
1325: $changed=1;
1326: } elsif ($ufn) {
1327: $current{$usy}
1328: =~s/assesscalc\?usymb\=/assesscalc\?ufn\=$ufn\&usymb\=/;
1329: }
1330: }
1331: } keys %f;
1332:
1333: # -------------------------------------------------------- New and unknown keys
1334:
1335: map {
1336: unless ($existing{$_}) {
1337: $changed=1;
1338: $maxrow++;
1339: $f{'A'.$maxrow}=$_;
1340: }
1341: } keys %current;
1342:
1343: if ($changed) { &setformulas($safeeval,%f); }
1344:
1345: &setmaxrow($safeeval,$maxrow);
1346: &setrowlabels($safeeval,%current);
1347:
1348: undef %current;
1349: undef %existing;
1350: }
1351:
1352: # ------------------------------------------------ Load data for one assessment
1353:
1354: sub loadstudent {
1355: my $safeeval=shift;
1356: my %c=();
1357: my %f=&getformulas($safeeval);
1358: $cachedassess=&getuname($safeeval).':'.&getudom($safeeval);
1359: %cachedstores=();
1360: {
1361: my $reply=&Apache::lonnet::reply('dump:'.&getudom($safeeval).':'.
1362: &getuname($safeeval).':'.
1363: &getcid($safeeval),
1364: &getuhome($safeeval));
1365: unless ($reply=~/^error\:/) {
1366: map {
1367: my ($name,$value)=split(/\=/,$_);
1368: $cachedstores{&Apache::lonnet::unescape($name)}=
1369: &Apache::lonnet::unescape($value);
1370: } split(/\&/,$reply);
1371: }
1372: }
1373: my @assessdata=();
1374: map {
1375: if ($_=~/^A(\d+)/) {
1376: my $row=$1;
1377: unless (($f{$_}=~/^\!/) || ($row==0)) {
1378: my ($usy,$ufn)=split(/\_\_\&\&\&\_\_/,$f{$_});
1379: @assessdata=&exportsheet(&getuname($safeeval),
1380: &getudom($safeeval),
1381: 'assesscalc',$usy,$ufn);
1382: my $index=0;
1383: map {
1384: if ($assessdata[$index]) {
1385: my $col=$_;
1386: if ($assessdata[$index]=~/\D/) {
1387: $c{$col.$row}="'".$assessdata[$index]."'";
1388: } else {
1389: $c{$col.$row}=$assessdata[$index];
1390: }
1391: unless ($col eq 'A') {
1392: $f{$col.$row}='import';
1393: }
1394: }
1395: $index++;
1396: } ('A','B','C','D','E','F','G','H','I','J','K','L','M',
1397: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z');
1398: }
1399: }
1400: } keys %f;
1401: $cachedassess='';
1402: undef %cachedstores;
1403: &setformulas($safeeval,%f);
1404: &setconstants($safeeval,%c);
1405: }
1406:
1407: # --------------------------------------------------- Load data for one student
1408:
1409: sub loadcourse {
1410: my ($safeeval,$r)=@_;
1411: my %c=();
1412: my %f=&getformulas($safeeval);
1413: my $total=0;
1414: map {
1415: if ($_=~/^A(\d+)/) {
1416: unless ($f{$_}=~/^\!/) { $total++; }
1417: }
1418: } keys %f;
1419: my $now=0;
1420: my $since=time;
1421: $r->print(<<ENDPOP);
1422: <script>
1423: popwin=open('','popwin','width=400,height=100');
1424: popwin.document.writeln('<html><body bgcolor="#FFFFFF">'+
1425: '<h3>Spreadsheet Calculation Progress</h3>'+
1426: '<form name=popremain>'+
1427: '<input type=text size=35 name=remaining value=Starting></form>'+
1428: '</body></html>');
1429: popwin.document.close();
1430: </script>
1431: ENDPOP
1432: $r->rflush();
1433: map {
1434: if ($_=~/^A(\d+)/) {
1435: my $row=$1;
1436: unless (($f{$_}=~/^\!/) || ($row==0)) {
1437: my @studentdata=&exportsheet(split(/\:/,$f{$_}),
1438: 'studentcalc');
1439: undef %userrdatas;
1440: $now++;
1441: $r->print('<script>popwin.document.popremain.remaining.value="'.
1442: $now.'/'.$total.': '.int((time-$since)/$now*($total-$now)).
1443: ' secs remaining";</script>');
1444: $r->rflush();
1445:
1446: my $index=0;
1447: map {
1448: if ($studentdata[$index]) {
1449: my $col=$_;
1450: if ($studentdata[$index]=~/\D/) {
1451: $c{$col.$row}="'".$studentdata[$index]."'";
1452: } else {
1453: $c{$col.$row}=$studentdata[$index];
1454: }
1455: unless ($col eq 'A') {
1456: $f{$col.$row}='import';
1457: }
1458: }
1459: $index++;
1460: } ('A','B','C','D','E','F','G','H','I','J','K','L','M',
1461: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z');
1462: }
1463: }
1464: } keys %f;
1465: &setformulas($safeeval,%f);
1466: &setconstants($safeeval,%c);
1467: $r->print('<script>popwin.close()</script>');
1468: $r->rflush();
1469: }
1470:
1471: # ------------------------------------------------ Load data for one assessment
1472:
1473: sub loadassessment {
1474: my $safeeval=shift;
1475:
1476: my $uhome=&getuhome($safeeval);
1477: my $uname=&getuname($safeeval);
1478: my $udom=&getudom($safeeval);
1479: my $symb=&getusymb($safeeval);
1480: my $cid=&getcid($safeeval);
1481: my $cnum=&getcnum($safeeval);
1482: my $cdom=&getcdom($safeeval);
1483: my $chome=&getchome($safeeval);
1484:
1485: my $namespace;
1486: unless ($namespace=$cid) { return ''; }
1487:
1488: # ----------------------------------------------------------- Get stored values
1489:
1490: my %returnhash=();
1491:
1492: if ($cachedassess eq $uname.':'.$udom) {
1493: #
1494: # get data out of the dumped stores
1495: #
1496:
1497: my $version=$cachedstores{'version:'.$symb};
1498: my $scope;
1499: for ($scope=1;$scope<=$version;$scope++) {
1500: map {
1501: $returnhash{$_}=$cachedstores{$scope.':'.$symb.':'.$_};
1502: } split(/\:/,$cachedstores{$scope.':keys:'.$symb});
1503: }
1504:
1505: } else {
1506: #
1507: # restore individual
1508: #
1509:
1510: my $answer=&Apache::lonnet::reply(
1511: "restore:$udom:$uname:".
1512: &Apache::lonnet::escape($namespace).":".
1513: &Apache::lonnet::escape($symb),$uhome);
1514: map {
1515: my ($name,$value)=split(/\=/,$_);
1516: $returnhash{&Apache::lonnet::unescape($name)}=
1517: &Apache::lonnet::unescape($value);
1518: } split(/\&/,$answer);
1519: my $version;
1520: for ($version=1;$version<=$returnhash{'version'};$version++) {
1521: map {
1522: $returnhash{$_}=$returnhash{$version.':'.$_};
1523: } split(/\:/,$returnhash{$version.':keys'});
1524: }
1525: }
1526: # ----------------------------- returnhash now has all stores for this resource
1527:
1528: # ---------------------------- initialize coursedata and userdata for this user
1529: undef %courseopt;
1530: undef %useropt;
1531:
1532: my $userprefix=$uname.'_'.$udom.'_';
1533:
1534: unless ($uhome eq 'no_host') {
1535: # -------------------------------------------------------------- Get coursedata
1536: unless
1537: ((time-$courserdatas{$cid.'.last_cache'})<240) {
1538: my $reply=&Apache::lonnet::reply('dump:'.$cdom.':'.$cnum.
1539: ':resourcedata',$chome);
1540: if ($reply!~/^error\:/) {
1541: $courserdatas{$cid}=$reply;
1542: $courserdatas{$cid.'.last_cache'}=time;
1543: }
1544: }
1545: map {
1546: my ($name,$value)=split(/\=/,$_);
1547: $courseopt{$userprefix.&Apache::lonnet::unescape($name)}=
1548: &Apache::lonnet::unescape($value);
1549: } split(/\&/,$courserdatas{$cid});
1550: # --------------------------------------------------- Get userdata (if present)
1551: unless
1552: ((time-$userrdatas{$uname.'___'.$udom.'.last_cache'})<240) {
1553: my $reply=
1554: &Apache::lonnet::reply('dump:'.$udom.':'.$uname.':resourcedata',$uhome);
1555: if ($reply!~/^error\:/) {
1556: $userrdatas{$uname.'___'.$udom}=$reply;
1557: $userrdatas{$uname.'___'.$udom.'.last_cache'}=time;
1558: }
1559: }
1560: map {
1561: my ($name,$value)=split(/\=/,$_);
1562: $useropt{$userprefix.&Apache::lonnet::unescape($name)}=
1563: &Apache::lonnet::unescape($value);
1564: } split(/\&/,$userrdatas{$uname.'___'.$udom});
1565: }
1566: # ----------------- now courseopt, useropt initialized for this user and course
1567: # (used by parmval)
1568:
1569: #
1570: # Load keys for this assessment only
1571: #
1572: my %thisassess=();
1573: my ($symap,$syid,$srcf)=split(/\_\_\_/,$symb);
1574:
1575: map {
1576: $thisassess{$_}=1;
1577: } split(/\,/,&Apache::lonnet::metadata($srcf,'keys'));
1578: #
1579: # Load parameters
1580: #
1581: my %c=();
1582:
1583: if (tie(%parmhash,'GDBM_File',
1584: &getcfn($safeeval).'_parms.db',&GDBM_READER,0640)) {
1585: my %f=&getformulas($safeeval);
1586: map {
1587: if ($_=~/^A/) {
1588: unless ($f{$_}=~/^\!/) {
1589: if ($f{$_}=~/^parameter/) {
1590: if ($thisassess{$f{$_}}) {
1591: my $val=&parmval($f{$_},$safeeval);
1592: $c{$_}=$val;
1593: $c{$f{$_}}=$val;
1594: }
1595: } else {
1596: my $key=$f{$_};
1597: my $ckey=$key;
1598: $key=~s/^stores\_/resource\./;
1599: $key=~s/\_/\./g;
1600: $c{$_}=$returnhash{$key};
1601: $c{$ckey}=$returnhash{$key};
1602: }
1603: }
1604: }
1605: } keys %f;
1606: untie(%parmhash);
1607: }
1608: &setconstants($safeeval,%c);
1609: }
1610:
1611: # --------------------------------------------------------- Various form fields
1612:
1613: sub textfield {
1614: my ($title,$name,$value)=@_;
1615: return "\n<p><b>$title:</b><br>".
1616: '<input type=text name="'.$name.'" size=80 value="'.$value.'">';
1617: }
1618:
1619: sub hiddenfield {
1620: my ($name,$value)=@_;
1621: return "\n".'<input type=hidden name="'.$name.'" value="'.$value.'">';
1622: }
1623:
1624: sub selectbox {
1625: my ($title,$name,$value,%options)=@_;
1626: my $selout="\n<p><b>$title:</b><br>".'<select name="'.$name.'">';
1627: map {
1628: $selout.='<option value="'.$_.'"';
1629: if ($_ eq $value) { $selout.=' selected'; }
1630: $selout.='>'.$options{$_}.'</option>';
1631: } sort keys %options;
1632: return $selout.'</select>';
1633: }
1634:
1635: # =============================================== Update information in a sheet
1636: #
1637: # Add new users or assessments, etc.
1638: #
1639:
1640: sub updatesheet {
1641: my $safeeval=shift;
1642: my $stype=&gettype($safeeval);
1643: if ($stype eq 'classcalc') {
1644: return &updateclasssheet($safeeval);
1645: } else {
1646: return &updatestudentassesssheet($safeeval);
1647: }
1648: }
1649:
1650: # =================================================== Load the rows for a sheet
1651: #
1652: # Import the data for rows
1653: #
1654:
1655: sub loadrows {
1656: my ($safeeval,$r)=@_;
1657: my $stype=&gettype($safeeval);
1658: if ($stype eq 'classcalc') {
1659: &loadcourse($safeeval,$r);
1660: } elsif ($stype eq 'studentcalc') {
1661: &loadstudent($safeeval);
1662: } else {
1663: &loadassessment($safeeval);
1664: }
1665: }
1666:
1667: # ======================================================= Forced recalculation?
1668:
1669: sub checkthis {
1670: my ($keyname,$time)=@_;
1671: return ($time<$expiredates{$keyname});
1672: }
1673: sub forcedrecalc {
1674: my ($uname,$udom,$stype,$usymb)=@_;
1675: my $key=$uname.':'.$udom.':'.$stype.':'.$usymb;
1676: my $time=$oldsheets{$key.'.time'};
1677: if ($ENV{'form.forcerecalc'}) { return 1; }
1678: unless ($time) { return 1; }
1679: if ($stype eq 'assesscalc') {
1680: my $map=(split(/\_\_\_/,$usymb))[0];
1681: if (&checkthis('::assesscalc:',$time) ||
1682: &checkthis('::assesscalc:'.$map,$time) ||
1683: &checkthis('::assesscalc:'.$usymb,$time) ||
1684: &checkthis($uname.':'.$udom.':assesscalc:',$time) ||
1685: &checkthis($uname.':'.$udom.':assesscalc:'.$map,$time) ||
1686: &checkthis($uname.':'.$udom.':assesscalc:'.$usymb,$time)) {
1687: return 1;
1688: }
1689: } else {
1690: if (&checkthis('::studentcalc:',$time) ||
1691: &checkthis($uname.':'.$udom.':studentcalc:',$time)) {
1692: return 1;
1693: }
1694: }
1695: return 0;
1696: }
1697:
1698: # ============================================================== Export handler
1699: #
1700: # Non-interactive call from with program
1701: #
1702:
1703: sub exportsheet {
1704: my ($uname,$udom,$stype,$usymb,$fn)=@_;
1705: my @exportarr=();
1706: #
1707: # Check if cached
1708: #
1709:
1710: my $key=$uname.':'.$udom.':'.$stype.':'.$usymb;
1711: my $found='';
1712:
1713: if ($oldsheets{$key}) {
1714: map {
1715: my ($name,$value)=split(/\_\_\_\=\_\_\_/,$_);
1716: if ($name eq $fn) {
1717: $found=$value;
1718: }
1719: } split(/\_\_\_\&\_\_\_/,$oldsheets{$key});
1720: }
1721:
1722: unless ($found) {
1723: &cachedssheets($uname,$udom,&Apache::lonnet::homeserver($uname,$udom));
1724: if ($oldsheets{$key}) {
1725: map {
1726: my ($name,$value)=split(/\_\_\_\=\_\_\_/,$_);
1727: if ($name eq $fn) {
1728: $found=$value;
1729: }
1730: } split(/\_\_\_\&\_\_\_/,$oldsheets{$key});
1731: }
1732: }
1733: #
1734: # Check if still valid
1735: #
1736: if ($found) {
1737: if (&forcedrecalc($uname,$udom,$stype,$usymb)) {
1738: $found='';
1739: }
1740: }
1741:
1742: if ($found) {
1743: #
1744: # Return what was cached
1745: #
1746: @exportarr=split(/\_\_\_\;\_\_\_/,$found);
1747:
1748: } else {
1749: #
1750: # Not cached
1751: #
1752:
1753: my $thissheet=&makenewsheet($uname,$udom,$stype,$usymb);
1754: &readsheet($thissheet,$fn);
1755: &updatesheet($thissheet);
1756: &loadrows($thissheet);
1757: &calcsheet($thissheet);
1758: @exportarr=&exportdata($thissheet);
1759: #
1760: # Store now
1761: #
1762: my $cid=$ENV{'request.course.id'};
1763: my $current='';
1764: if ($stype eq 'studentcalc') {
1765: $current=&Apache::lonnet::reply('get:'.
1766: $ENV{'course.'.$cid.'.domain'}.':'.
1767: $ENV{'course.'.$cid.'.num'}.
1768: ':nohist_calculatedsheets:'.
1769: &Apache::lonnet::escape($key),
1770: $ENV{'course.'.$cid.'.home'});
1771: } else {
1772: $current=&Apache::lonnet::reply('get:'.
1773: &getudom($thissheet).':'.
1774: &getuname($thissheet).
1775: ':nohist_calculatedsheets_'.
1776: $ENV{'request.course.id'}.':'.
1777: &Apache::lonnet::escape($key),
1778: &getuhome($thissheet));
1779:
1780: }
1781: my %currentlystored=();
1782: unless ($current=~/^error\:/) {
1783: map {
1784: my ($name,$value)=split(/\_\_\_\=\_\_\_/,$_);
1785: $currentlystored{$name}=$value;
1786: } split(/\_\_\_\&\_\_\_/,&Apache::lonnet::unescape($current));
1787: }
1788: $currentlystored{$fn}=join('___;___',@exportarr);
1789:
1790: my $newstore='';
1791: map {
1792: if ($newstore) { $newstore.='___&___'; }
1793: $newstore.=$_.'___=___'.$currentlystored{$_};
1794: } keys %currentlystored;
1795: my $now=time;
1796: if ($stype eq 'studentcalc') {
1797: &Apache::lonnet::reply('put:'.
1798: $ENV{'course.'.$cid.'.domain'}.':'.
1799: $ENV{'course.'.$cid.'.num'}.
1800: ':nohist_calculatedsheets:'.
1801: &Apache::lonnet::escape($key).'='.
1802: &Apache::lonnet::escape($newstore).'&'.
1803: &Apache::lonnet::escape($key).'.time='.$now,
1804: $ENV{'course.'.$cid.'.home'});
1805: } else {
1806: &Apache::lonnet::reply('put:'.
1807: &getudom($thissheet).':'.
1808: &getuname($thissheet).
1809: ':nohist_calculatedsheets_'.
1810: $ENV{'request.course.id'}.':'.
1811: &Apache::lonnet::escape($key).'='.
1812: &Apache::lonnet::escape($newstore).'&'.
1813: &Apache::lonnet::escape($key).'.time='.$now,
1814: &getuhome($thissheet));
1815: }
1816: }
1817: return @exportarr;
1818: }
1819: # ============================================================ Expiration Dates
1820: #
1821: # Load previously cached student spreadsheets for this course
1822: #
1823:
1824: sub expirationdates {
1825: undef %expiredates;
1826: my $cid=$ENV{'request.course.id'};
1827: my $reply=&Apache::lonnet::reply('dump:'.
1828: $ENV{'course.'.$cid.'.domain'}.':'.
1829: $ENV{'course.'.$cid.'.num'}.
1830: ':nohist_expirationdates',
1831: $ENV{'course.'.$cid.'.home'});
1832: unless ($reply=~/^error\:/) {
1833: map {
1834: my ($name,$value)=split(/\=/,$_);
1835: $expiredates{&Apache::lonnet::unescape($name)}
1836: =&Apache::lonnet::unescape($value);
1837: } split(/\&/,$reply);
1838: }
1839: }
1840:
1841: # ===================================================== Calculated sheets cache
1842: #
1843: # Load previously cached student spreadsheets for this course
1844: #
1845:
1846: sub cachedcsheets {
1847: my $cid=$ENV{'request.course.id'};
1848: my $reply=&Apache::lonnet::reply('dump:'.
1849: $ENV{'course.'.$cid.'.domain'}.':'.
1850: $ENV{'course.'.$cid.'.num'}.
1851: ':nohist_calculatedsheets',
1852: $ENV{'course.'.$cid.'.home'});
1853: unless ($reply=~/^error\:/) {
1854: map {
1855: my ($name,$value)=split(/\=/,$_);
1856: $oldsheets{&Apache::lonnet::unescape($name)}
1857: =&Apache::lonnet::unescape($value);
1858: } split(/\&/,$reply);
1859: }
1860: }
1861:
1862: # ===================================================== Calculated sheets cache
1863: #
1864: # Load previously cached assessment spreadsheets for this student
1865: #
1866:
1867: sub cachedssheets {
1868: my ($sname,$sdom,$shome)=@_;
1869: unless (($loadedcaches{$sname.'_'.$sdom}) || ($shome eq 'no_host')) {
1870: my $cid=$ENV{'request.course.id'};
1871: my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.
1872: ':nohist_calculatedsheets_'.
1873: $ENV{'request.course.id'},
1874: $shome);
1875: unless ($reply=~/^error\:/) {
1876: map {
1877: my ($name,$value)=split(/\=/,$_);
1878: $oldsheets{&Apache::lonnet::unescape($name)}
1879: =&Apache::lonnet::unescape($value);
1880: } split(/\&/,$reply);
1881: }
1882: $loadedcaches{$sname.'_'.$sdom}=1;
1883: }
1884: }
1885:
1886: # ===================================================== Calculated sheets cache
1887: #
1888: # Load previously cached assessment spreadsheets for this student
1889: #
1890:
1891: # ================================================================ Main handler
1892: #
1893: # Interactive call to screen
1894: #
1895: #
1896:
1897:
1898: sub handler {
1899: my $r=shift;
1900:
1901: if ($r->header_only) {
1902: $r->content_type('text/html');
1903: $r->send_http_header;
1904: return OK;
1905: }
1906:
1907: # ---------------------------------------------------- Global directory configs
1908:
1909: $includedir=$r->dir_config('lonIncludes');
1910: $tmpdir=$r->dir_config('lonDaemons').'/tmp/';
1911:
1912: # ----------------------------------------------------- Needs to be in a course
1913:
1914: if ($ENV{'request.course.fn'}) {
1915:
1916: # --------------------------- Get query string for limited number of parameters
1917:
1918: map {
1919: my ($name, $value) = split(/=/,$_);
1920: $value =~ tr/+/ /;
1921: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1922: if (($name eq 'uname') || ($name eq 'udom') ||
1923: ($name eq 'usymb') || ($name eq 'ufn')) {
1924: unless ($ENV{'form.'.$name}) {
1925: $ENV{'form.'.$name}=$value;
1926: }
1927: }
1928: } (split(/&/,$ENV{'QUERY_STRING'}));
1929:
1930: # -------------------------------------- Interactive loading of specific sheet?
1931: if (($ENV{'form.load'}) && ($ENV{'form.loadthissheet'} ne 'Default')) {
1932: $ENV{'form.ufn'}=$ENV{'form.loadthissheet'};
1933: }
1934: # ------------------------------------------- Nothing there? Must be login user
1935:
1936: my $aname;
1937: my $adom;
1938:
1939: unless ($ENV{'form.uname'}) {
1940: $aname=$ENV{'user.name'};
1941: $adom=$ENV{'user.domain'};
1942: } else {
1943: $aname=$ENV{'form.uname'};
1944: $adom=$ENV{'form.udom'};
1945: }
1946:
1947: # ------------------------------------------------------------------- Open page
1948:
1949: $r->content_type('text/html');
1950: $r->header_out('Cache-control','no-cache');
1951: $r->header_out('Pragma','no-cache');
1952: $r->send_http_header;
1953:
1954: # --------------------------------------------------------------- Screen output
1955:
1956: $r->print('<html><head><title>LON-CAPA Spreadsheet</title>');
1957: $r->print(<<ENDSCRIPT);
1958: <script language="JavaScript">
1959:
1960: function celledit(cn,cf) {
1961: var cnf=prompt(cn,cf);
1962: if (cnf!=null) {
1963: document.sheet.unewfield.value=cn;
1964: document.sheet.unewformula.value=cnf;
1965: document.sheet.submit();
1966: }
1967: }
1968:
1969: function changesheet(cn) {
1970: document.sheet.unewfield.value=cn;
1971: document.sheet.unewformula.value='changesheet';
1972: document.sheet.submit();
1973: }
1974:
1975: </script>
1976: ENDSCRIPT
1977: $r->print('</head><body bgcolor="#FFFFFF">'.
1978: '<img align=right src=/adm/lonIcons/lonlogos.gif>'.
1979: '<h1>LON-CAPA Spreadsheet</h1>'.
1980: '<form action="'.$r->uri.'" name=sheet method=post>'.
1981: &hiddenfield('uname',$ENV{'form.uname'}).
1982: &hiddenfield('udom',$ENV{'form.udom'}).
1983: &hiddenfield('usymb',$ENV{'form.usymb'}).
1984: &hiddenfield('unewfield','').
1985: &hiddenfield('unewformula',''));
1986:
1987: # ---------------------- Make sure that this gets out, even if user hits "stop"
1988:
1989: $r->rflush();
1990:
1991: # ---------------------------------------------------------------- Full recalc?
1992:
1993:
1994: if ($ENV{'form.forcerecalc'}) {
1995: $r->print('<h4>Completely Recalculating Sheet ...</h4>');
1996: undef %spreadsheets;
1997: undef %courserdatas;
1998: undef %userrdatas;
1999: undef %defaultsheets;
2000: undef %updatedata;
2001: }
2002:
2003: # ---------------------------------------- Read new sheet or modified worksheet
2004:
2005: $r->uri=~/\/(\w+)$/;
2006:
2007: my $asheet=&makenewsheet($aname,$adom,$1,$ENV{'form.usymb'});
2008:
2009: # ------------------------ If a new formula had been entered, go from work copy
2010:
2011: if ($ENV{'form.unewfield'}) {
2012: $r->print('<h2>Modified Workcopy</h2>');
2013: $ENV{'form.unewformula'}=~s/\'/\"/g;
2014: $r->print('<p>New formula: '.$ENV{'form.unewfield'}.'='.
2015: $ENV{'form.unewformula'}.'<p>');
2016: &setfilename($asheet,$ENV{'form.ufn'});
2017: &tmpread($asheet,
2018: $ENV{'form.unewfield'},$ENV{'form.unewformula'});
2019:
2020: } elsif ($ENV{'form.saveas'}) {
2021: &setfilename($asheet,$ENV{'form.ufn'});
2022: &tmpread($asheet);
2023: } else {
2024: &readsheet($asheet,$ENV{'form.ufn'});
2025: }
2026:
2027: # -------------------------------------------------- Print out user information
2028:
2029: unless (&gettype($asheet) eq 'classcalc') {
2030: $r->print('<p><b>User:</b> '.&getuname($asheet).
2031: '<br><b>Domain:</b> '.&getudom($asheet));
2032: if (&getcsec($asheet) eq '-1') {
2033: $r->print('<h3><font color=red>'.
2034: 'Not a student in this course</font></h3>');
2035: } else {
2036: $r->print('<br><b>Section/Group:</b> '.&getcsec($asheet));
2037: }
2038: }
2039:
2040: # ---------------------------------------------------------------- Course title
2041:
2042: $r->print('<h1>'.
2043: $ENV{'course.'.$ENV{'request.course.id'}.'.description'}.
2044: '</h1><h3>'.localtime().'</h3>');
2045:
2046: # ---------------------------------------------------- See if user can see this
2047:
2048: if ((&gettype($asheet) eq 'classcalc') ||
2049: (&getuname($asheet) ne $ENV{'user.name'}) ||
2050: (&getudom($asheet) ne $ENV{'user.domain'})) {
2051: unless (&Apache::lonnet::allowed('vgr',&getcid($asheet))) {
2052: $r->print(
2053: '<h1>Access Permission Denied</h1></form></body></html>');
2054: return OK;
2055: }
2056: }
2057:
2058: # ---------------------------------------------------------- Additional options
2059:
2060: $r->print(
2061: '<input type=submit name=forcerecalc value="Completely Recalculate Sheet"><p>'
2062: );
2063: if (&gettype($asheet) eq 'assesscalc') {
2064: $r->print ('<p><font size=+2><a href="/adm/studentcalc?uname='.
2065: &getuname($asheet).
2066: '&udom='.&getudom($asheet).
2067: '">Level up: Student Sheet</a></font><p>');
2068: }
2069:
2070: if ((&gettype($asheet) eq 'studentcalc') &&
2071: (&Apache::lonnet::allowed('vgr',&getcid($asheet)))) {
2072: $r->print (
2073: '<p><font size=+2><a href="/adm/classcalc">'.
2074: 'Level up: Course Sheet</a></font><p>');
2075: }
2076:
2077:
2078: # ----------------------------------------------------------------- Save dialog
2079:
2080:
2081: if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
2082: my $fname=$ENV{'form.ufn'};
2083: $fname=~s/\_[^\_]+$//;
2084: if ($fname eq 'default') { $fname='course_default'; }
2085: $r->print('<input type=submit name=saveas value="Save as ...">'.
2086: '<input type=text size=20 name=newfn value="'.$fname.
2087: '"> (make default: <input type=checkbox name="makedefufn">)<p>');
2088: }
2089:
2090: $r->print(&hiddenfield('ufn',&getfilename($asheet)));
2091:
2092: # ----------------------------------------------------------------- Load dialog
2093: if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
2094: $r->print('<p><input type=submit name=load value="Load ...">'.
2095: '<select name="loadthissheet">'.
2096: '<option name="default">Default</option>');
2097: map {
2098: $r->print('<option name="'.$_.'"');
2099: if ($ENV{'form.ufn'} eq $_) {
2100: $r->print(' selected');
2101: }
2102: $r->print('>'.$_.'</option>');
2103: } &othersheets($asheet,&gettype($asheet));
2104: $r->print('</select><p>');
2105: if (&gettype($asheet) eq 'studentcalc') {
2106: &setothersheets($asheet,&othersheets($asheet,'assesscalc'));
2107: }
2108: }
2109:
2110: # --------------------------------------------------------------- Cached sheets
2111:
2112: &expirationdates();
2113:
2114: undef %oldsheets;
2115: undef %loadedcaches;
2116:
2117: if (&gettype($asheet) eq 'classcalc') {
2118: $r->print("Loading previously calculated student sheets ...<br>\n");
2119: $r->rflush();
2120: &cachedcsheets();
2121: } elsif (&gettype($asheet) eq 'studentcalc') {
2122: $r->print("Loading previously calculated assessment sheets ...<br>\n");
2123: $r->rflush();
2124: &cachedssheets(&getuname($asheet),&getudom($asheet),
2125: &getuhome($asheet));
2126: }
2127:
2128: # ----------------------------------------------------- Update sheet, load rows
2129:
2130: $r->print("Loaded sheet(s), updating rows ...<br>\n");
2131: $r->rflush();
2132:
2133: &updatesheet($asheet);
2134:
2135: $r->print("Updated rows, loading row data ...<br>\n");
2136: $r->rflush();
2137:
2138: &loadrows($asheet,$r);
2139:
2140: $r->print("Loaded row data, calculating sheet ...<br>\n");
2141: $r->rflush();
2142:
2143: my $calcoutput=&calcsheet($asheet);
2144: $r->print('<h3><font color=red>'.$calcoutput.'</h3></font>');
2145:
2146: # ---------------------------------------------------- See if something to save
2147:
2148: if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
2149: my $fname='';
2150: if ($ENV{'form.saveas'} && ($fname=$ENV{'form.newfn'})) {
2151: $fname=~s/\W/\_/g;
2152: if ($fname eq 'default') { $fname='course_default'; }
2153: $fname.='_'.&gettype($asheet);
2154: &setfilename($asheet,$fname);
2155: $ENV{'form.ufn'}=$fname;
2156: $r->print('<p>Saving spreadsheet: '.
2157: &writesheet($asheet,$ENV{'form.makedefufn'}).'<p>');
2158: }
2159: }
2160:
2161: # ------------------------------------------------ Write the modified worksheet
2162:
2163: $r->print('<b>Current sheet:</b> '.&getfilename($asheet).'<p>');
2164:
2165: &tmpwrite($asheet);
2166:
2167: if (&gettype($asheet) eq 'studentcalc') {
2168: $r->print('<br>Show rows with empty A column: ');
2169: } else {
2170: $r->print('<br>Show empty rows: ');
2171: }
2172: $r->print('<input type=checkbox name=showall onClick="submit()"');
2173: if ($ENV{'form.showall'}) { $r->print(' checked'); }
2174: $r->print('>');
2175: if (&gettype($asheet) eq 'classcalc') {
2176: $r->print(
2177: ' Output CSV format: <input type=checkbox name=showcsv onClick="submit()"');
2178: if ($ENV{'form.showcsv'}) { $r->print(' checked'); }
2179: $r->print('>');
2180: }
2181: # ------------------------------------------------------------- Print out sheet
2182:
2183: &outsheet($r,$asheet);
2184: $r->print('</form></body></html>');
2185:
2186: # ------------------------------------------------------------------------ Done
2187: } else {
2188: # ----------------------------- Not in a course, or not allowed to modify parms
2189: $ENV{'user.error.msg'}=
2190: $r->uri.":opa:0:0:Cannot modify spreadsheet";
2191: return HTTP_NOT_ACCEPTABLE;
2192: }
2193: return OK;
2194:
2195: }
2196:
2197: 1;
2198: __END__
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to lonspreadsheet.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / interface