Annotation of loncom/interface/lonspreadsheet.pm, revision 1.61
1.1 www 1: # The LearningOnline Network with CAPA
2: # Spreadsheet/Grades Display Handler
3: #
1.15 www 4: # 11/11,11/15,11/27,12/04,12/05,12/06,12/07,
1.23 www 5: # 12/08,12/09,12/11,12/12,12/15,12/16,12/18,12/19,12/30,
1.39 www 6: # 01/01/01,02/01,03/01,19/01,20/01,22/01,
1.47 www 7: # 03/05,03/08,03/10,03/12,03/13,03/15,03/17,
1.55 www 8: # 03/19,03/20,03/21,03/27,04/05,04/09,
1.61 ! www 9: # 07/09,07/14,07/21,09/01,09/10,9/11 Gerd Kortemeyer
1.1 www 10:
11: package Apache::lonspreadsheet;
1.36 www 12:
1.1 www 13: use strict;
14: use Safe;
1.3 www 15: use Safe::Hole;
1.1 www 16: use Opcode;
17: use Apache::lonnet;
1.7 www 18: use Apache::Constants qw(:common :http);
1.19 www 19: use GDBM_File;
1.3 www 20: use HTML::TokeParser;
21:
1.11 www 22: #
1.44 www 23: # Caches for previously calculated spreadsheets
24: #
25:
26: my %oldsheets;
1.46 www 27: my %loadedcaches;
1.47 www 28: my %expiredates;
1.44 www 29:
30: #
1.39 www 31: # Cache for stores of an individual user
32: #
33:
34: my $cachedassess;
35: my %cachedstores;
36:
37: #
1.11 www 38: # These cache hashes need to be independent of user, resource and course
1.27 www 39: # (user and course can/should be in the keys)
1.11 www 40: #
1.33 www 41:
42: my %spreadsheets;
43: my %courserdatas;
44: my %userrdatas;
45: my %defaultsheets;
1.35 www 46: my %updatedata;
1.27 www 47:
1.11 www 48: #
49: # These global hashes are dependent on user, course and resource,
50: # and need to be initialized every time when a sheet is calculated
51: #
52: my %courseopt;
53: my %useropt;
54: my %parmhash;
55:
1.28 www 56: # Stuff that only the screen handler can know
57:
58: my $includedir;
59: my $tmpdir;
60:
1.5 www 61: # =============================================================================
62: # ===================================== Implements an instance of a spreadsheet
1.4 www 63:
64: sub initsheet {
1.36 www 65: my $safeeval = new Safe(shift);
1.4 www 66: my $safehole = new Safe::Hole;
67: $safeeval->permit("entereval");
68: $safeeval->permit(":base_math");
69: $safeeval->permit("sort");
70: $safeeval->deny(":base_io");
71: $safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&EXT');
72: my $code=<<'ENDDEFS';
73: # ---------------------------------------------------- Inside of the safe space
74:
1.3 www 75: #
76: # f: formulas
1.4 www 77: # t: intermediate format (variable references expanded)
78: # v: output values
1.6 www 79: # c: preloaded constants (A-column)
80: # rl: row label
1.55 www 81: # os: other spreadsheets (for student spreadsheet only)
1.3 www 82:
1.36 www 83: undef %v;
84: undef %t;
85: undef %f;
86: undef %c;
87: undef %rl;
1.55 www 88: undef @os;
89:
1.6 www 90: $maxrow=0;
1.5 www 91: $sheettype='';
1.27 www 92:
93: # filename/reference of the sheet
94:
1.5 www 95: $filename='';
1.1 www 96:
1.27 www 97: # user data
98: $uname='';
99: $uhome='';
100: $udom='';
101:
102: # course data
103:
104: $csec='';
105: $chome='';
106: $cnum='';
107: $cdom='';
1.28 www 108: $cid='';
1.29 www 109: $cfn='';
1.27 www 110:
111: # symb
112:
113: $usymb='';
114:
1.1 www 115: sub mask {
116: my ($lower,$upper)=@_;
117:
1.7 www 118: $lower=~/([A-Za-z]|\*)(\d+|\*)/;
1.1 www 119: my $la=$1;
120: my $ld=$2;
121:
1.7 www 122: $upper=~/([A-Za-z]|\*)(\d+|\*)/;
1.1 www 123: my $ua=$1;
124: my $ud=$2;
125: my $alpha='';
126: my $num='';
127:
128: if (($la eq '*') || ($ua eq '*')) {
1.7 www 129: $alpha='[A-Za-z]';
1.1 www 130: } else {
1.7 www 131: if (($la=~/[A-Z]/) && ($ua=~/[A-Z]/) ||
132: ($la=~/[a-z]/) && ($ua=~/[a-z]/)) {
133: $alpha='['.$la.'-'.$ua.']';
134: } else {
135: $alpha='['.$la.'-Za-'.$ua.']';
136: }
1.1 www 137: }
138:
139: if (($ld eq '*') || ($ud eq '*')) {
140: $num='\d+';
141: } else {
142: if (length($ld)!=length($ud)) {
143: $num.='(';
144: map {
145: $num.='['.$_.'-9]';
146: } ($ld=~m/\d/g);
147: if (length($ud)-length($ld)>1) {
148: $num.='|\d{'.(length($ld)+1).','.(length($ud)-1).'}';
149: }
150: $num.='|';
151: map {
152: $num.='[0-'.$_.']';
153: } ($ud=~m/\d/g);
154: $num.=')';
155: } else {
156: my @lda=($ld=~m/\d/g);
157: my @uda=($ud=~m/\d/g);
1.7 www 158: my $i; $j=0; $notdone=1;
159: for ($i=0;($i<=$#lda)&&($notdone);$i++) {
1.1 www 160: if ($lda[$i]==$uda[$i]) {
161: $num.=$lda[$i];
162: $j=$i;
1.7 www 163: } else {
164: $notdone=0;
1.1 www 165: }
166: }
167: if ($j<$#lda-1) {
168: $num.='('.$lda[$j+1];
169: for ($i=$j+2;$i<=$#lda;$i++) {
170: $num.='['.$lda[$i].'-9]';
171: }
172: if ($uda[$j+1]-$lda[$j+1]>1) {
173: $num.='|['.($lda[$j+1]+1).'-'.($uda[$j+1]-1).']\d{'.
174: ($#lda-$j-1).'}';
175: }
176: $num.='|'.$uda[$j+1];
177: for ($i=$j+2;$i<=$#uda;$i++) {
178: $num.='[0-'.$uda[$i].']';
179: }
180: $num.=')';
181: } else {
1.7 www 182: if ($lda[$#lda]!=$uda[$#uda]) {
183: $num.='['.$lda[$#lda].'-'.$uda[$#uda].']';
184: }
1.1 www 185: }
186: }
187: }
1.4 www 188: return '^'.$alpha.$num."\$";
1.1 www 189: }
190:
191: sub NUM {
192: my $mask=mask(@_);
193: my $num=0;
194: map {
195: $num++;
196: } grep /$mask/,keys %v;
197: return $num;
198: }
199:
200: sub BIN {
201: my ($low,$high,$lower,$upper)=@_;
202: my $mask=mask($lower,$upper);
203: my $num=0;
204: map {
205: if (($v{$_}>=$low) && ($v{$_}<=$high)) {
206: $num++;
207: }
208: } grep /$mask/,keys %v;
209: return $num;
210: }
211:
212:
213: sub SUM {
214: my $mask=mask(@_);
215: my $sum=0;
216: map {
217: $sum+=$v{$_};
218: } grep /$mask/,keys %v;
219: return $sum;
220: }
221:
222: sub MEAN {
223: my $mask=mask(@_);
224: my $sum=0; my $num=0;
225: map {
226: $sum+=$v{$_};
227: $num++;
228: } grep /$mask/,keys %v;
229: if ($num) {
230: return $sum/$num;
231: } else {
232: return undef;
233: }
234: }
235:
236: sub STDDEV {
237: my $mask=mask(@_);
238: my $sum=0; my $num=0;
239: map {
240: $sum+=$v{$_};
241: $num++;
242: } grep /$mask/,keys %v;
243: unless ($num>1) { return undef; }
244: my $mean=$sum/$num;
245: $sum=0;
246: map {
247: $sum+=($v{$_}-$mean)**2;
248: } grep /$mask/,keys %v;
249: return sqrt($sum/($num-1));
250: }
251:
252: sub PROD {
253: my $mask=mask(@_);
254: my $prod=1;
255: map {
256: $prod*=$v{$_};
257: } grep /$mask/,keys %v;
258: return $prod;
259: }
260:
261: sub MAX {
262: my $mask=mask(@_);
263: my $max='-';
264: map {
265: unless ($max) { $max=$v{$_}; }
266: if (($v{$_}>$max) || ($max eq '-')) { $max=$v{$_}; }
267: } grep /$mask/,keys %v;
268: return $max;
269: }
270:
271: sub MIN {
272: my $mask=mask(@_);
273: my $min='-';
274: map {
275: unless ($max) { $max=$v{$_}; }
276: if (($v{$_}<$min) || ($min eq '-')) { $min=$v{$_}; }
277: } grep /$mask/,keys %v;
278: return $min;
279: }
280:
281: sub SUMMAX {
282: my ($num,$lower,$upper)=@_;
283: my $mask=mask($lower,$upper);
284: my @inside=();
285: map {
286: $inside[$#inside+1]=$v{$_};
287: } grep /$mask/,keys %v;
288: @inside=sort(@inside);
289: my $sum=0; my $i;
290: for ($i=$#inside;(($i>$#inside-$num) && ($i>=0));$i--) {
291: $sum+=$inside[$i];
292: }
293: return $sum;
294: }
295:
296: sub SUMMIN {
297: my ($num,$lower,$upper)=@_;
298: my $mask=mask($lower,$upper);
299: my @inside=();
300: map {
301: $inside[$#inside+1]=$v{$_};
302: } grep /$mask/,keys %v;
303: @inside=sort(@inside);
304: my $sum=0; my $i;
305: for ($i=0;(($i<$num) && ($i<=$#inside));$i++) {
306: $sum+=$inside[$i];
307: }
308: return $sum;
309: }
310:
1.59 www 311: sub expandnamed {
312: my $expression=shift;
313: if ($expression=~/^\&/) {
314: my ($func,$var,$formula)=($expression=~/^\&(\w+)\(([^\;]+)\;(.*)\)/);
315: my @vars=split(/\W+/,$formula);
316: my %values=();
317: undef %values;
318: map {
319: my $varname=$_;
320: if ($varname=~/\D/) {
321: $formula=~s/$varname/'$c{\''.$varname.'\'}'/ge;
322: $varname=~s/$var/\(\\w\+\)/g;
323: map {
324: if ($_=~/$varname/) {
325: $values{$1}=1;
326: }
327: } keys %c;
328: }
329: } @vars;
330: if ($func eq 'EXPANDSUM') {
331: my $result='';
332: map {
333: my $thissum=$formula;
334: $thissum=~s/$var/$_/g;
335: $result.=$thissum.'+';
336: } keys %values;
337: $result=~s/\+$//;
338: return $result;
339: } else {
340: return 0;
341: }
342: } else {
343: return '$c{\''.$expression.'\'}';
344: }
345: }
346:
1.1 www 347: sub sett {
348: %t=();
1.16 www 349: my $pattern='';
350: if ($sheettype eq 'assesscalc') {
351: $pattern='A';
352: } else {
353: $pattern='[A-Z]';
354: }
1.1 www 355: map {
1.20 www 356: if ($_=~/template\_(\w)/) {
357: my $col=$1;
358: unless ($col=~/^$pattern/) {
359: map {
360: if ($_=~/A(\d+)/) {
361: my $trow=$1;
362: if ($trow) {
363: my $lb=$col.$trow;
364: $t{$lb}=$f{'template_'.$col};
365: $t{$lb}=~s/\#/$trow/g;
366: $t{$lb}=~s/\.\.+/\,/g;
367: $t{$lb}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$v\{\'$2\'\}/g;
1.59 www 368: $t{$lb}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.&expandnamed($2)/ge;
1.20 www 369: }
370: }
371: } keys %f;
372: }
373: }
374: } keys %f;
375: map {
376: if (($f{$_}) && ($_!~/template\_/)) {
1.42 www 377: my $matches=($_=~/^$pattern(\d+)/);
378: if (($matches) && ($1)) {
1.6 www 379: unless ($f{$_}=~/^\!/) {
380: $t{$_}=$c{$_};
381: }
382: } else {
383: $t{$_}=$f{$_};
1.7 www 384: $t{$_}=~s/\.\.+/\,/g;
385: $t{$_}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$v\{\'$2\'\}/g;
1.59 www 386: $t{$_}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.&expandnamed($2)/ge;
1.6 www 387: }
1.1 www 388: }
389: } keys %f;
1.17 www 390: $t{'A0'}=$f{'A0'};
391: $t{'A0'}=~s/\.\.+/\,/g;
392: $t{'A0'}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$v\{\'$2\'\}/g;
1.59 www 393: $t{'A0'}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.&expandnamed($2)/ge;
1.1 www 394: }
395:
1.4 www 396: sub calc {
1.1 www 397: %v=();
1.4 www 398: &sett();
1.1 www 399: my $notfinished=1;
400: my $depth=0;
401: while ($notfinished) {
402: $notfinished=0;
403: map {
404: my $old=$v{$_};
1.4 www 405: $v{$_}=eval($t{$_});
1.1 www 406: if ($@) {
407: %v=();
408: return $@;
409: }
410: if ($v{$_} ne $old) { $notfinished=1; }
411: } keys %t;
412: $depth++;
413: if ($depth>100) {
414: %v=();
415: return 'Maximum calculation depth exceeded';
416: }
417: }
418: return '';
419: }
420:
1.21 www 421: sub templaterow {
422: my @cols=();
423: $cols[0]='<b><font size=+1>Template</font></b>';
424: map {
425: my $fm=$f{'template_'.$_};
426: $fm=~s/[\'\"]/\&\#34;/g;
427: $cols[$#cols+1]="'template_$_','$fm'".'___eq___'.$fm;
428: } ('A','B','C','D','E','F','G','H','I','J','K','L','M',
429: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
430: 'a','b','c','d','e','f','g','h','i','j','k','l','m',
431: 'n','o','p','q','r','s','t','u','v','w','x','y','z');
432: return @cols;
433: }
434:
1.16 www 435: sub outrowassess {
1.6 www 436: my $n=shift;
437: my @cols=();
438: if ($n) {
1.55 www 439: my ($usy,$ufn)=split(/\_\_\&\&\&\_\_/,$f{'A'.$n});
1.58 www 440: $cols[0]=$rl{$usy}.'<br>'.
1.55 www 441: '<select name="sel_'.$n.'" onChange="changesheet('.$n.
442: ')"><option name="default">Default</option>';
443: map {
444: $cols[0].='<option name="'.$_.'"';
445: if ($ufn eq $_) {
446: $cols[0].=' selected';
447: }
448: $cols[0].='>'.$_.'</option>';
449: } @os;
450: $cols[0].='</select>';
1.6 www 451: } else {
452: $cols[0]='<b><font size=+1>Export</font></b>';
453: }
454: map {
455: my $fm=$f{$_.$n};
456: $fm=~s/[\'\"]/\&\#34;/g;
457: $cols[$#cols+1]="'$_$n','$fm'".'___eq___'.$v{$_.$n};
458: } ('A','B','C','D','E','F','G','H','I','J','K','L','M',
1.7 www 459: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
460: 'a','b','c','d','e','f','g','h','i','j','k','l','m',
461: 'n','o','p','q','r','s','t','u','v','w','x','y','z');
1.6 www 462: return @cols;
463: }
464:
1.18 www 465: sub outrow {
466: my $n=shift;
467: my @cols=();
468: if ($n) {
1.21 www 469: $cols[0]=$rl{$f{'A'.$n}};
1.18 www 470: } else {
471: $cols[0]='<b><font size=+1>Export</font></b>';
472: }
473: map {
474: my $fm=$f{$_.$n};
475: $fm=~s/[\'\"]/\&\#34;/g;
476: $cols[$#cols+1]="'$_$n','$fm'".'___eq___'.$v{$_.$n};
477: } ('A','B','C','D','E','F','G','H','I','J','K','L','M',
478: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
479: 'a','b','c','d','e','f','g','h','i','j','k','l','m',
480: 'n','o','p','q','r','s','t','u','v','w','x','y','z');
481: return @cols;
482: }
483:
1.14 www 484: sub exportrowa {
1.28 www 485: my @exportarray=();
1.14 www 486: map {
1.28 www 487: $exportarray[$#exportarray+1]=$v{$_.'0'};
1.14 www 488: } ('A','B','C','D','E','F','G','H','I','J','K','L','M',
489: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z');
1.28 www 490: return @exportarray;
1.14 www 491: }
492:
1.4 www 493: # ------------------------------------------- End of "Inside of the safe space"
494: ENDDEFS
495: $safeeval->reval($code);
496: return $safeeval;
497: }
498:
499: # ------------------------------------------------ Add or change formula values
500:
501: sub setformulas {
1.34 www 502: my ($safeeval,%f)=@_;
503: %{$safeeval->varglob('f')}=%f;
1.6 www 504: }
505:
506: # ------------------------------------------------ Add or change formula values
507:
508: sub setconstants {
1.34 www 509: my ($safeeval,%c)=@_;
510: %{$safeeval->varglob('c')}=%c;
1.6 www 511: }
512:
1.55 www 513: # --------------------------------------------- Set names of other spreadsheets
514:
515: sub setothersheets {
516: my ($safeeval,@os)=@_;
517: @{$safeeval->varglob('os')}=@os;
518: }
519:
1.6 www 520: # ------------------------------------------------ Add or change formula values
521:
522: sub setrowlabels {
1.34 www 523: my ($safeeval,%rl)=@_;
524: %{$safeeval->varglob('rl')}=%rl;
1.4 www 525: }
526:
527: # ------------------------------------------------------- Calculate spreadsheet
528:
529: sub calcsheet {
530: my $safeeval=shift;
531: $safeeval->reval('&calc();');
532: }
533:
534: # ------------------------------------------------------------------ Get values
535:
536: sub getvalues {
537: my $safeeval=shift;
538: return $safeeval->reval('%v');
539: }
540:
541: # ---------------------------------------------------------------- Get formulas
542:
543: sub getformulas {
544: my $safeeval=shift;
1.34 www 545: return %{$safeeval->varglob('f')};
1.4 www 546: }
547:
1.5 www 548: # -------------------------------------------------------------------- Get type
549:
550: sub gettype {
551: my $safeeval=shift;
552: return $safeeval->reval('$sheettype');
553: }
1.27 www 554:
1.6 www 555: # ------------------------------------------------------------------ Set maxrow
556:
557: sub setmaxrow {
558: my ($safeeval,$row)=@_;
559: $safeeval->reval('$maxrow='.$row.';');
560: }
561:
562: # ------------------------------------------------------------------ Get maxrow
563:
564: sub getmaxrow {
565: my $safeeval=shift;
566: return $safeeval->reval('$maxrow');
567: }
1.5 www 568:
1.6 www 569: # ---------------------------------------------------------------- Set filename
1.5 www 570:
571: sub setfilename {
572: my ($safeeval,$fn)=@_;
1.11 www 573: $safeeval->reval('$filename="'.$fn.'";');
1.5 www 574: }
575:
1.6 www 576: # ---------------------------------------------------------------- Get filename
1.5 www 577:
578: sub getfilename {
579: my $safeeval=shift;
580: return $safeeval->reval('$filename');
581: }
1.29 www 582:
1.28 www 583: # --------------------------------------------------------------- Get course ID
584:
585: sub getcid {
586: my $safeeval=shift;
587: return $safeeval->reval('$cid');
588: }
1.14 www 589:
1.29 www 590: # --------------------------------------------------------- Get course filename
591:
592: sub getcfn {
593: my $safeeval=shift;
594: return $safeeval->reval('$cfn');
595: }
596:
1.27 www 597: # ----------------------------------------------------------- Get course number
598:
599: sub getcnum {
600: my $safeeval=shift;
601: return $safeeval->reval('$cnum');
602: }
603:
604: # ------------------------------------------------------------- Get course home
605:
606: sub getchome {
607: my $safeeval=shift;
608: return $safeeval->reval('$chome');
609: }
610:
611: # ----------------------------------------------------------- Get course domain
612:
613: sub getcdom {
614: my $safeeval=shift;
615: return $safeeval->reval('$cdom');
616: }
617:
618: # ---------------------------------------------------------- Get course section
619:
620: sub getcsec {
621: my $safeeval=shift;
622: return $safeeval->reval('$csec');
623: }
624:
625: # --------------------------------------------------------------- Get user name
626:
627: sub getuname {
628: my $safeeval=shift;
629: return $safeeval->reval('$uname');
630: }
631:
632: # ------------------------------------------------------------- Get user domain
633:
634: sub getudom {
635: my $safeeval=shift;
636: return $safeeval->reval('$udom');
637: }
638:
639: # --------------------------------------------------------------- Get user home
640:
641: sub getuhome {
642: my $safeeval=shift;
643: return $safeeval->reval('$uhome');
644: }
645:
646: # -------------------------------------------------------------------- Get symb
647:
648: sub getusymb {
649: my $safeeval=shift;
650: return $safeeval->reval('$usymb');
651: }
652:
1.14 www 653: # ------------------------------------------------------------- Export of A-row
654:
1.28 www 655: sub exportdata {
1.14 www 656: my $safeeval=shift;
657: return $safeeval->reval('&exportrowa()');
658: }
659:
1.55 www 660:
1.5 www 661: # ========================================================== End of Spreadsheet
662: # =============================================================================
663:
1.27 www 664: #
665: # Procedures for screen output
666: #
1.6 www 667: # --------------------------------------------- Produce output row n from sheet
668:
669: sub rown {
670: my ($safeeval,$n)=@_;
1.21 www 671: my $defaultbg;
1.24 www 672: my $rowdata='';
1.61 ! www 673: my $dataflag=0;
1.21 www 674: unless ($n eq '-') {
675: $defaultbg=((($n-1)/5)==int(($n-1)/5))?'#E0E0':'#FFFF';
676: } else {
677: $defaultbg='#E0FF';
678: }
1.24 www 679: if ((($n-1)/25)==int(($n-1)/25)) {
680: my $what='Student';
681: if (&gettype($safeeval) eq 'assesscalc') {
682: $what='Item';
683: } elsif (&gettype($safeeval) eq 'studentcalc') {
684: $what='Assessment';
685: }
686: $rowdata.="</table>\n<br><table border=2>".
687: '<tr><td> <td>'.$what.'</td>';
688: map {
689: $rowdata.='<td>'.$_.'</td>';
690: } ('A','B','C','D','E','F','G','H','I','J','K','L','M',
691: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
692: 'a','b','c','d','e','f','g','h','i','j','k','l','m',
693: 'n','o','p','q','r','s','t','u','v','w','x','y','z');
694: $rowdata.='</tr>';
695: }
696: $rowdata.="\n<tr><td><b><font size=+1>$n</font></b></td>";
1.6 www 697: my $showf=0;
1.16 www 698: my $proc;
1.18 www 699: my $maxred;
1.55 www 700: if (&gettype($safeeval) eq 'studentcalc') {
701: $proc='&outrowassess';
702: $maxred=26;
703: } else {
704: $proc='&outrow';
705: }
1.16 www 706: if (&gettype($safeeval) eq 'assesscalc') {
1.18 www 707: $maxred=1;
1.16 www 708: } else {
1.18 www 709: $maxred=26;
1.16 www 710: }
1.61 ! www 711: if ($n eq '-') { $proc='&templaterow'; $n=-1; $dataflag=1; }
1.6 www 712: map {
1.9 www 713: my $bgcolor=$defaultbg.((($showf-1)/5==int(($showf-1)/5))?'99':'DD');
1.6 www 714: my ($fm,$vl)=split(/\_\_\_eq\_\_\_/,$_);
1.61 ! www 715: if ($vl ne '') { $dataflag=1; }
1.6 www 716: if ($showf==0) { $vl=$_; }
1.18 www 717: if ($showf<=$maxred) { $bgcolor='#FFDDDD'; }
1.9 www 718: if (($n==0) && ($showf<=26)) { $bgcolor='#CCCCFF'; }
1.18 www 719: if (($showf>$maxred) || ((!$n) && ($showf>0))) {
1.6 www 720: if ($vl eq '') {
1.9 www 721: $vl='<font size=+2 color='.$bgcolor.'>#</font>';
1.6 www 722: }
723: $rowdata.=
1.10 www 724: '<td bgcolor='.$bgcolor.'><a href="javascript:celledit('.$fm.');">'.$vl.
1.6 www 725: '</a></td>';
726: } else {
1.9 www 727: $rowdata.='<td bgcolor='.$bgcolor.'> '.$vl.' </td>';
1.6 www 728: }
729: $showf++;
1.16 www 730: } $safeeval->reval($proc.'('.$n.')');
1.61 ! www 731: if ($ENV{'form.showall'} || ($dataflag)) {
! 732: return $rowdata.'</tr>';
! 733: } else {
! 734: return '';
! 735: }
1.6 www 736: }
737:
738: # ------------------------------------------------------------- Print out sheet
739:
740: sub outsheet {
1.24 www 741: my ($r,$safeeval)=@_;
1.18 www 742: my $maxred;
743: my $realm;
744: if (&gettype($safeeval) eq 'assesscalc') {
745: $maxred=1;
746: $realm='Assessment';
747: } elsif (&gettype($safeeval) eq 'studentcalc') {
748: $maxred=26;
749: $realm='User';
750: } else {
751: $maxred=26;
752: $realm='Course';
753: }
754: my $maxyellow=52-$maxred;
1.24 www 755: my $tabledata=
756: '<table border=2><tr><th colspan=2 rowspan=2><font size=+2>'.
1.18 www 757: $realm.'</font></th>'.
758: '<td bgcolor=#FFDDDD colspan='.$maxred.
759: '><b><font size=+1>Import</font></b></td>'.
760: '<td colspan='.$maxyellow.
761: '><b><font size=+1>Calculations</font></b></td></tr><tr>';
762: my $showf=0;
1.6 www 763: map {
1.18 www 764: $showf++;
765: if ($showf<=$maxred) {
766: $tabledata.='<td bgcolor="#FFDDDD">';
767: } else {
768: $tabledata.='<td>';
769: }
770: $tabledata.="<b><font size=+1>$_</font></b></td>";
771: } ('A','B','C','D','E','F','G','H','I','J','K','L','M',
1.7 www 772: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
773: 'a','b','c','d','e','f','g','h','i','j','k','l','m',
774: 'n','o','p','q','r','s','t','u','v','w','x','y','z');
1.6 www 775: $tabledata.='</tr>';
776: my $row;
777: my $maxrow=&getmaxrow($safeeval);
1.21 www 778: $tabledata.=&rown($safeeval,'-');
1.24 www 779: $r->print($tabledata);
1.6 www 780: for ($row=0;$row<=$maxrow;$row++) {
1.24 www 781: $r->print(&rown($safeeval,$row));
1.6 www 782: }
1.24 www 783: $r->print('</table>');
1.6 www 784: }
785:
1.27 www 786: #
1.55 www 787: # ----------------------------------------------- Read list of available sheets
788: #
789:
790: sub othersheets {
791: my ($safeeval,$stype)=@_;
792:
793: my $cnum=&getcnum($safeeval);
794: my $cdom=&getcdom($safeeval);
795: my $chome=&getchome($safeeval);
796:
797: my @alternatives=();
798: my $result=&Apache::lonnet::reply('dump:'.$cdom.':'.$cnum.':'.
799: $stype.'_spreadsheets',$chome);
800: if ($result!~/^error\:/) {
801: map {
802: $alternatives[$#alternatives+1]=
803: &Apache::lonnet::unescape((split(/\=/,$_))[0]);
804: } split(/\&/,$result);
805: }
806: return @alternatives;
807: }
808:
809: #
1.27 www 810: # -------------------------------------- Read spreadsheet formulas for a course
811: #
812:
813: sub readsheet {
814: my ($safeeval,$fn)=@_;
815: my $stype=&gettype($safeeval);
816: my $cnum=&getcnum($safeeval);
1.28 www 817: my $cdom=&getcdom($safeeval);
818: my $chome=&getchome($safeeval);
1.27 www 819:
820: # --------- There is no filename. Look for defaults in course and global, cache
821:
822: unless($fn) {
1.28 www 823: unless ($fn=$defaultsheets{$cnum.'_'.$cdom.'_'.$stype}) {
824: $fn=&Apache::lonnet::reply('get:'.$cdom.':'.$cnum.
825: ':environment:spreadsheet_default_'.$stype,
826: $chome);
1.27 www 827: unless (($fn) && ($fn!~/^error\:/)) {
828: $fn='default_'.$stype;
829: }
1.28 www 830: $defaultsheets{$cnum.'_'.$cdom.'_'.$stype}=$fn;
1.27 www 831: }
832: }
833:
834: # ---------------------------------------------------------- fn now has a value
835:
836: &setfilename($safeeval,$fn);
837:
838: # ------------------------------------------------------ see if sheet is cached
839: my $fstring='';
1.28 www 840: if ($fstring=$spreadsheets{$cnum.'_'.$cdom.'_'.$stype.'_'.$fn}) {
841: &setformulas($safeeval,split(/\_\_\_\;\_\_\_/,$fstring));
1.27 www 842: } else {
1.6 www 843:
1.27 www 844: # ---------------------------------------------------- Not cached, need to read
1.5 www 845:
1.27 www 846: my %f=();
1.3 www 847:
1.27 www 848: if ($fn=~/^default\_/) {
1.19 www 849: my $sheetxml='';
1.10 www 850: {
851: my $fh;
1.28 www 852: if ($fh=Apache::File->new($includedir.
1.19 www 853: '/default.'.&gettype($safeeval))) {
854: $sheetxml=join('',<$fh>);
855: }
856: }
1.27 www 857: my $parser=HTML::TokeParser->new(\$sheetxml);
858: my $token;
859: while ($token=$parser->get_token) {
1.19 www 860: if ($token->[0] eq 'S') {
861: if ($token->[1] eq 'field') {
862: $f{$token->[2]->{'col'}.$token->[2]->{'row'}}=
863: $parser->get_text('/field');
864: }
1.20 www 865: if ($token->[1] eq 'template') {
866: $f{'template_'.$token->[2]->{'col'}}=
867: $parser->get_text('/template');
868: }
1.19 www 869: }
1.27 www 870: }
871: } else {
1.28 www 872: my $sheet='';
873: my $reply=&Apache::lonnet::reply('dump:'.$cdom.':'.$cnum.':'.$fn,
874: $chome);
1.19 www 875: unless ($reply=~/^error\:/) {
1.27 www 876: $sheet=$reply;
877: }
878: map {
879: my ($name,$value)=split(/\=/,$_);
880: $f{&Apache::lonnet::unescape($name)}=
881: &Apache::lonnet::unescape($value);
882: } split(/\&/,$sheet);
1.10 www 883: }
1.27 www 884: # --------------------------------------------------------------- Cache and set
1.28 www 885: $spreadsheets{$cnum.'_'.$cdom.'_'.$stype.'_'.$fn}=join('___;___',%f);
1.27 www 886: &setformulas($safeeval,%f);
1.3 www 887: }
888: }
889:
1.28 www 890: # -------------------------------------------------------- Make new spreadsheet
891:
892: sub makenewsheet {
893: my ($uname,$udom,$stype,$usymb)=@_;
1.36 www 894: my $safeeval=initsheet($stype);
1.28 www 895: $safeeval->reval(
1.29 www 896: '$uname="'.$uname.
897: '";$udom="'.$udom.
898: '";$uhome="'.&Apache::lonnet::homeserver($uname,$udom).
899: '";$sheettype="'.$stype.
900: '";$usymb="'.$usymb.
1.30 www 901: '";$csec="'.&Apache::lonnet::usection($udom,$uname,
902: $ENV{'request.course.id'}).
1.29 www 903: '";$cid="'.$ENV{'request.course.id'}.
904: '";$cfn="'.$ENV{'request.course.fn'}.
905: '";$cnum="'.$ENV{'course.'.$ENV{'request.course.id'}.'.num'}.
906: '";$cdom="'.$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.
907: '";$chome="'.$ENV{'course.'.$ENV{'request.course.id'}.'.home'}.'";');
1.28 www 908: return $safeeval;
909: }
910:
1.19 www 911: # ------------------------------------------------------------ Save spreadsheet
912:
913: sub writesheet {
1.28 www 914: my ($safeeval,$makedef)=@_;
915: my $cid=&getcid($safeeval);
916: if (&Apache::lonnet::allowed('opa',$cid)) {
1.19 www 917: my %f=&getformulas($safeeval);
1.28 www 918: my $stype=&gettype($safeeval);
919: my $cnum=&getcnum($safeeval);
920: my $cdom=&getcdom($safeeval);
921: my $chome=&getchome($safeeval);
922: my $fn=&getfilename($safeeval);
923:
924: # ------------------------------------------------------------- Cache new sheet
925: $spreadsheets{$cnum.'_'.$cdom.'_'.$stype.'_'.$fn}=join('___;___',%f);
926: # ----------------------------------------------------------------- Write sheet
1.19 www 927: my $sheetdata='';
928: map {
1.56 www 929: unless ($f{$_} eq 'import') {
1.19 www 930: $sheetdata.=&Apache::lonnet::escape($_).'='.
931: &Apache::lonnet::escape($f{$_}).'&';
1.56 www 932: }
1.19 www 933: } keys %f;
934: $sheetdata=~s/\&$//;
1.28 www 935: my $reply=&Apache::lonnet::reply('put:'.$cdom.':'.$cnum.':'.$fn.':'.
936: $sheetdata,$chome);
1.22 www 937: if ($reply eq 'ok') {
1.28 www 938: $reply=&Apache::lonnet::reply('put:'.$cdom.':'.$cnum.':'.
1.30 www 939: $stype.'_spreadsheets:'.
1.55 www 940: &Apache::lonnet::escape($fn).'='.$ENV{'user.name'}.'@'.
941: $ENV{'user.domain'},
1.28 www 942: $chome);
943: if ($reply eq 'ok') {
944: if ($makedef) {
945: return &Apache::lonnet::reply('put:'.$cdom.':'.$cnum.
946: ':environment:spreadsheet_default_'.$stype.'='.
947: &Apache::lonnet::escape($fn),
948: $chome);
949: } else {
950: return $reply;
951: }
952: } else {
953: return $reply;
954: }
1.22 www 955: } else {
956: return $reply;
957: }
958: }
959: return 'unauthorized';
1.19 www 960: }
961:
1.10 www 962: # ----------------------------------------------- Make a temp copy of the sheet
1.28 www 963: # "Modified workcopy" - interactive only
964: #
1.10 www 965:
966: sub tmpwrite {
1.28 www 967: my $safeeval=shift;
968: my $fn=$ENV{'user.name'}.'_'.
969: $ENV{'user.domain'}.'_spreadsheet_'.&getusymb($safeeval).'_'.
970: &getfilename($safeeval);
1.10 www 971: $fn=~s/\W/\_/g;
972: $fn=$tmpdir.$fn.'.tmp';
973: my $fh;
974: if ($fh=Apache::File->new('>'.$fn)) {
975: print $fh join("\n",&getformulas($safeeval));
976: }
977: }
978:
979: # ---------------------------------------------------------- Read the temp copy
980:
981: sub tmpread {
1.28 www 982: my ($safeeval,$nfield,$nform)=@_;
983: my $fn=$ENV{'user.name'}.'_'.
984: $ENV{'user.domain'}.'_spreadsheet_'.&getusymb($safeeval).'_'.
985: &getfilename($safeeval);
1.10 www 986: $fn=~s/\W/\_/g;
987: $fn=$tmpdir.$fn.'.tmp';
988: my $fh;
989: my %fo=();
990: if ($fh=Apache::File->new($fn)) {
991: my $name;
992: while ($name=<$fh>) {
993: chomp($name);
994: my $value=<$fh>;
995: chomp($value);
996: $fo{$name}=$value;
997: }
998: }
1.55 www 999: if ($nform eq 'changesheet') {
1.57 www 1000: $fo{'A'.$nfield}=(split(/\_\_\&\&\&\_\_/,$fo{'A'.$nfield}))[0];
1.55 www 1001: unless ($ENV{'form.sel_'.$nfield} eq 'Default') {
1.57 www 1002: $fo{'A'.$nfield}.='__&&&__'.$ENV{'form.sel_'.$nfield};
1.55 www 1003: }
1004: } else {
1005: if ($nfield) { $fo{$nfield}=$nform; }
1006: }
1.10 www 1007: &setformulas($safeeval,%fo);
1008: }
1009:
1.11 www 1010: # ================================================================== Parameters
1011: # -------------------------------------------- Figure out a cascading parameter
1.28 www 1012: #
1.29 www 1013: # For this function to work
1014: #
1015: # * parmhash needs to be tied
1016: # * courseopt and useropt need to be initialized for this user and course
1017: #
1.11 www 1018:
1019: sub parmval {
1.28 www 1020: my ($what,$safeeval)=@_;
1021: my $cid=&getcid($safeeval);
1022: my $csec=&getcsec($safeeval);
1023: my $uname=&getuname($safeeval);
1024: my $udom=&getudom($safeeval);
1025: my $symb=&getusymb($safeeval);
1.11 www 1026:
1027: unless ($symb) { return ''; }
1028: my $result='';
1029:
1030: my ($mapname,$id,$fn)=split(/\_\_\_/,$symb);
1031: # ----------------------------------------------------- Cascading lookup scheme
1.12 www 1032: my $rwhat=$what;
1033: $what=~s/^parameter\_//;
1034: $what=~s/\_/\./;
1.11 www 1035:
1036: my $symbparm=$symb.'.'.$what;
1037: my $mapparm=$mapname.'___(all).'.$what;
1.29 www 1038: my $usercourseprefix=$uname.'_'.$udom.'_'.$cid;
1.11 www 1039:
1040: my $seclevel=
1.28 www 1041: $usercourseprefix.'.['.
1.11 www 1042: $csec.'].'.$what;
1043: my $seclevelr=
1.28 www 1044: $usercourseprefix.'.['.
1.11 www 1045: $csec.'].'.$symbparm;
1046: my $seclevelm=
1.28 www 1047: $usercourseprefix.'.['.
1.11 www 1048: $csec.'].'.$mapparm;
1049:
1050: my $courselevel=
1.28 www 1051: $usercourseprefix.'.'.$what;
1.11 www 1052: my $courselevelr=
1.28 www 1053: $usercourseprefix.'.'.$symbparm;
1.11 www 1054: my $courselevelm=
1.28 www 1055: $usercourseprefix.'.'.$mapparm;
1.12 www 1056:
1.11 www 1057: # ---------------------------------------------------------- fourth, check user
1058:
1059: if ($uname) {
1060:
1061: if ($useropt{$courselevelr}) { return $useropt{$courselevelr}; }
1062:
1063: if ($useropt{$courselevelm}) { return $useropt{$courselevelm}; }
1064:
1065: if ($useropt{$courselevel}) { return $useropt{$courselevel}; }
1066:
1067: }
1068:
1069: # --------------------------------------------------------- third, check course
1070:
1071: if ($csec) {
1072:
1073: if ($courseopt{$seclevelr}) { return $courseopt{$seclevelr}; }
1074:
1075: if ($courseopt{$seclevelm}) { return $courseopt{$seclevelm}; }
1076:
1077: if ($courseopt{$seclevel}) { return $courseopt{$seclevel}; }
1078:
1079: }
1080:
1081: if ($courseopt{$courselevelr}) { return $courseopt{$courselevelr}; }
1082:
1083: if ($courseopt{$courselevelm}) { return $courseopt{$courselevelm}; }
1084:
1085: if ($courseopt{$courselevel}) { return $courseopt{$courselevel}; }
1086:
1087: # ----------------------------------------------------- second, check map parms
1088:
1089: my $thisparm=$parmhash{$symbparm};
1090: if ($thisparm) { return $thisparm; }
1091:
1092: # -------------------------------------------------------- first, check default
1093:
1.12 www 1094: return &Apache::lonnet::metadata($fn,$rwhat.'.default');
1.11 www 1095:
1096: }
1097:
1.23 www 1098: # ---------------------------------------------- Update rows for course listing
1.11 www 1099:
1.28 www 1100: sub updateclasssheet {
1.23 www 1101: my $safeeval=shift;
1.28 www 1102: my $cnum=&getcnum($safeeval);
1103: my $cdom=&getcdom($safeeval);
1104: my $cid=&getcid($safeeval);
1105: my $chome=&getchome($safeeval);
1106:
1107: # ---------------------------------------------- Read class list and row labels
1108:
1.23 www 1109: my $classlst=&Apache::lonnet::reply
1.28 www 1110: ('dump:'.$cdom.':'.$cnum.':classlist',$chome);
1.23 www 1111: my %currentlist=();
1112: my $now=time;
1113: unless ($classlst=~/^error\:/) {
1114: map {
1115: my ($name,$value)=split(/\=/,$_);
1.24 www 1116: my ($end,$start)=split(/\:/,&Apache::lonnet::unescape($value));
1.23 www 1117: my $active=1;
1118: if (($end) && ($now>$end)) { $active=0; }
1119: if ($active) {
1.24 www 1120: my $rowlabel='';
1121: $name=&Apache::lonnet::unescape($name);
1.28 www 1122: my ($sname,$sdom)=split(/\:/,$name);
1123: my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);
1124: if ($ssec==-1) {
1.24 www 1125: $rowlabel='<font color=red>Data not available: '.$name.
1126: '</font>';
1127: } else {
1.28 www 1128: my %reply=&Apache::lonnet::idrget($sdom,$sname);
1129: my $reply=&Apache::lonnet::reply('get:'.$sdom.':'.$sname.
1.24 www 1130: ':environment:firstname&middlename&lastname&generation',
1.28 www 1131: &Apache::lonnet::homeserver($sname,$sdom));
1.45 www 1132: $rowlabel='<a href="/adm/studentcalc?uname='.$sname.
1133: '&udom='.$sdom.'">'.
1134: $ssec.' '.$reply{$sname}.'<br>';
1.24 www 1135: map {
1136: $rowlabel.=&Apache::lonnet::unescape($_).' ';
1137: } split(/\&/,$reply);
1.45 www 1138: $rowlabel.='</a>';
1.24 www 1139: }
1140: $currentlist{&Apache::lonnet::unescape($name)}=$rowlabel;
1.23 www 1141: }
1142: } split(/\&/,$classlst);
1143: #
1144: # -------------------- Find discrepancies between the course row table and this
1145: #
1146: my %f=&getformulas($safeeval);
1147: my $changed=0;
1148:
1149: my $maxrow=0;
1150: my %existing=();
1151:
1152: # ----------------------------------------------------------- Now obsolete rows
1153: map {
1154: if ($_=~/^A(\d+)/) {
1155: $maxrow=($1>$maxrow)?$1:$maxrow;
1156: $existing{$f{$_}}=1;
1157: unless ((defined($currentlist{$f{$_}})) || (!$1)) {
1158: $f{$_}='!!! Obsolete';
1159: $changed=1;
1160: }
1161: }
1162: } keys %f;
1163:
1164: # -------------------------------------------------------- New and unknown keys
1165:
1166: map {
1167: unless ($existing{$_}) {
1168: $changed=1;
1169: $maxrow++;
1170: $f{'A'.$maxrow}=$_;
1171: }
1.24 www 1172: } sort keys %currentlist;
1.23 www 1173:
1174: if ($changed) { &setformulas($safeeval,%f); }
1175:
1176: &setmaxrow($safeeval,$maxrow);
1177: &setrowlabels($safeeval,%currentlist);
1178:
1179: } else {
1180: return 'Could not access course data';
1181: }
1182: }
1.5 www 1183:
1.28 www 1184: # ----------------------------------- Update rows for student and assess sheets
1185:
1186: sub updatestudentassesssheet {
1.5 www 1187: my $safeeval=shift;
1188: my %bighash;
1.35 www 1189: my $stype=&gettype($safeeval);
1190: my %current=();
1191: unless ($updatedata{$ENV{'request.course.fn'}.'_'.$stype}) {
1.5 www 1192: # -------------------------------------------------------------------- Tie hash
1193: if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db',
1194: &GDBM_READER,0640)) {
1195: # --------------------------------------------------------- Get all assessments
1196:
1.52 www 1197: my %allkeys=('timestamp' =>
1198: 'Timestamp of Last Transaction<br>timestamp');
1.5 www 1199: my %allassess=();
1200:
1.50 www 1201: my $adduserstr='';
1202: if ((&getuname($safeeval) ne $ENV{'user.name'}) ||
1203: (&getudom($safeeval) ne $ENV{'user.domain'})) {
1204: $adduserstr='&uname='.&getuname($safeeval).
1205: '&udom='.&getudom($safeeval);
1206: }
1207:
1.5 www 1208: map {
1209: if ($_=~/^src\_(\d+)\.(\d+)$/) {
1210: my $mapid=$1;
1211: my $resid=$2;
1212: my $id=$mapid.'.'.$resid;
1213: my $srcf=$bighash{$_};
1214: if ($srcf=~/\.(problem|exam|quiz|assess|survey|form)$/) {
1215: my $symb=
1216: &Apache::lonnet::declutter($bighash{'map_id_'.$mapid}).
1217: '___'.$resid.'___'.
1218: &Apache::lonnet::declutter($srcf);
1.38 www 1219: $allassess{$symb}=
1.50 www 1220: '<a href="/adm/assesscalc?usymb='.$symb.$adduserstr.'">'.
1221: $bighash{'title_'.$id}.'</a>';
1.6 www 1222: if ($stype eq 'assesscalc') {
1.5 www 1223: map {
1.11 www 1224: if (($_=~/^stores\_(.*)/) || ($_=~/^parameter\_(.*)/)) {
1.5 www 1225: my $key=$_;
1226: my $display=
1227: &Apache::lonnet::metadata($srcf,$key.'.display');
1228: unless ($display) {
1.40 www 1229: $display.=
1.5 www 1230: &Apache::lonnet::metadata($srcf,$key.'.name');
1231: }
1.40 www 1232: $display.='<br>'.$key;
1.5 www 1233: $allkeys{$key}=$display;
1234: }
1235: } split(/\,/,&Apache::lonnet::metadata($srcf,'keys'));
1236: }
1237: }
1238: }
1239: } keys %bighash;
1240: untie(%bighash);
1241:
1242: #
1.11 www 1243: # %allkeys has a list of storage and parameter displays by unikey
1.5 www 1244: # %allassess has a list of all resource displays by symb
1245: #
1.6 www 1246:
1247: if ($stype eq 'assesscalc') {
1248: %current=%allkeys;
1249: } elsif ($stype eq 'studentcalc') {
1250: %current=%allassess;
1251: }
1.35 www 1252: $updatedata{$ENV{'request.course.fn'}.'_'.$stype}=
1253: join('___;___',%current);
1254: } else {
1255: return 'Could not access course data';
1256: }
1257: # ------------------------------------------------------ Get current from cache
1258: } else {
1259: %current=split(/\_\_\_\;\_\_\_/,
1260: $updatedata{$ENV{'request.course.fn'}.'_'.$stype});
1261: }
1262: # -------------------- Find discrepancies between the course row table and this
1263: #
1264: my %f=&getformulas($safeeval);
1265: my $changed=0;
1.6 www 1266:
1267: my $maxrow=0;
1268: my %existing=();
1269:
1270: # ----------------------------------------------------------- Now obsolete rows
1.5 www 1271: map {
1.6 www 1272: if ($_=~/^A(\d+)/) {
1273: $maxrow=($1>$maxrow)?$1:$maxrow;
1.57 www 1274: my ($usy,$ufn)=split(/\_\_\&\&\&\_\_/,$f{$_});
1275: $existing{$usy}=1;
1276: unless ((defined($current{$usy})) || (!$1)) {
1.6 www 1277: $f{$_}='!!! Obsolete';
1278: $changed=1;
1.57 www 1279: } elsif ($ufn) {
1280: $current{$usy}
1281: =~s/assesscalc\?usymb\=/assesscalc\?ufn\=$ufn\&usymb\=/;
1.5 www 1282: }
1283: }
1284: } keys %f;
1.6 www 1285:
1286: # -------------------------------------------------------- New and unknown keys
1287:
1288: map {
1289: unless ($existing{$_}) {
1290: $changed=1;
1291: $maxrow++;
1292: $f{'A'.$maxrow}=$_;
1293: }
1294: } keys %current;
1.35 www 1295:
1.6 www 1296: if ($changed) { &setformulas($safeeval,%f); }
1297:
1298: &setmaxrow($safeeval,$maxrow);
1299: &setrowlabels($safeeval,%current);
1.35 www 1300:
1301: undef %current;
1302: undef %existing;
1.5 www 1303: }
1.3 www 1304:
1.24 www 1305: # ------------------------------------------------ Load data for one assessment
1.16 www 1306:
1.29 www 1307: sub loadstudent {
1.16 www 1308: my $safeeval=shift;
1309: my %c=();
1310: my %f=&getformulas($safeeval);
1.39 www 1311: $cachedassess=&getuname($safeeval).':'.&getudom($safeeval);
1312: %cachedstores=();
1313: {
1314: my $reply=&Apache::lonnet::reply('dump:'.&getudom($safeeval).':'.
1315: &getuname($safeeval).':'.
1316: &getcid($safeeval),
1317: &getuhome($safeeval));
1318: unless ($reply=~/^error\:/) {
1319: map {
1320: my ($name,$value)=split(/\=/,$_);
1321: $cachedstores{&Apache::lonnet::unescape($name)}=
1322: &Apache::lonnet::unescape($value);
1323: } split(/\&/,$reply);
1324: }
1325: }
1.36 www 1326: my @assessdata=();
1.16 www 1327: map {
1.17 www 1328: if ($_=~/^A(\d+)/) {
1329: my $row=$1;
1.42 www 1330: unless (($f{$_}=~/^\!/) || ($row==0)) {
1.55 www 1331: my ($usy,$ufn)=split(/\_\_\&\&\&\_\_/,$f{$_});
1.36 www 1332: @assessdata=&exportsheet(&getuname($safeeval),
1333: &getudom($safeeval),
1.55 www 1334: 'assesscalc',$usy,$ufn);
1.17 www 1335: my $index=0;
1.30 www 1336: map {
1337: if ($assessdata[$index]) {
1.41 www 1338: my $col=$_;
1339: if ($assessdata[$index]=~/\D/) {
1340: $c{$col.$row}="'".$assessdata[$index]."'";
1341: } else {
1342: $c{$col.$row}=$assessdata[$index];
1343: }
1344: unless ($col eq 'A') {
1345: $f{$col.$row}='import';
1.30 www 1346: }
1347: }
1348: $index++;
1349: } ('A','B','C','D','E','F','G','H','I','J','K','L','M',
1350: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z');
1.16 www 1351: }
1352: }
1353: } keys %f;
1.39 www 1354: $cachedassess='';
1355: undef %cachedstores;
1.18 www 1356: &setformulas($safeeval,%f);
1.16 www 1357: &setconstants($safeeval,%c);
1358: }
1359:
1.24 www 1360: # --------------------------------------------------- Load data for one student
1361:
1.30 www 1362: sub loadcourse {
1.37 www 1363: my ($safeeval,$r)=@_;
1.24 www 1364: my %c=();
1365: my %f=&getformulas($safeeval);
1.37 www 1366: my $total=0;
1367: map {
1368: if ($_=~/^A(\d+)/) {
1369: unless ($f{$_}=~/^\!/) { $total++; }
1370: }
1371: } keys %f;
1372: my $now=0;
1373: my $since=time;
1.39 www 1374: $r->print(<<ENDPOP);
1375: <script>
1376: popwin=open('','popwin','width=400,height=100');
1377: popwin.document.writeln('<html><body bgcolor="#FFFFFF">'+
1.50 www 1378: '<h3>Spreadsheet Calculation Progress</h3>'+
1.39 www 1379: '<form name=popremain>'+
1380: '<input type=text size=35 name=remaining value=Starting></form>'+
1381: '</body></html>');
1.42 www 1382: popwin.document.close();
1.39 www 1383: </script>
1384: ENDPOP
1.37 www 1385: $r->rflush();
1.24 www 1386: map {
1387: if ($_=~/^A(\d+)/) {
1388: my $row=$1;
1.42 www 1389: unless (($f{$_}=~/^\!/) || ($row==0)) {
1.37 www 1390: my @studentdata=&exportsheet(split(/\:/,$f{$_}),
1.30 www 1391: 'studentcalc');
1.37 www 1392: undef %userrdatas;
1393: $now++;
1.39 www 1394: $r->print('<script>popwin.document.popremain.remaining.value="'.
1.37 www 1395: $now.'/'.$total.': '.int((time-$since)/$now*($total-$now)).
1.39 www 1396: ' secs remaining";</script>');
1.37 www 1397: $r->rflush();
1398:
1.24 www 1399: my $index=0;
1.30 www 1400: map {
1401: if ($studentdata[$index]) {
1.41 www 1402: my $col=$_;
1403: if ($studentdata[$index]=~/\D/) {
1404: $c{$col.$row}="'".$studentdata[$index]."'";
1405: } else {
1406: $c{$col.$row}=$studentdata[$index];
1407: }
1408: unless ($col eq 'A') {
1409: $f{$col.$row}='import';
1.30 www 1410: }
1411: }
1412: $index++;
1413: } ('A','B','C','D','E','F','G','H','I','J','K','L','M',
1414: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z');
1.24 www 1415: }
1416: }
1417: } keys %f;
1418: &setformulas($safeeval,%f);
1419: &setconstants($safeeval,%c);
1.43 www 1420: $r->print('<script>popwin.close()</script>');
1.37 www 1421: $r->rflush();
1.24 www 1422: }
1423:
1.6 www 1424: # ------------------------------------------------ Load data for one assessment
1425:
1.29 www 1426: sub loadassessment {
1427: my $safeeval=shift;
1428:
1429: my $uhome=&getuhome($safeeval);
1430: my $uname=&getuname($safeeval);
1431: my $udom=&getudom($safeeval);
1432: my $symb=&getusymb($safeeval);
1433: my $cid=&getcid($safeeval);
1434: my $cnum=&getcnum($safeeval);
1435: my $cdom=&getcdom($safeeval);
1436: my $chome=&getchome($safeeval);
1437:
1.6 www 1438: my $namespace;
1.29 www 1439: unless ($namespace=$cid) { return ''; }
1.11 www 1440:
1441: # ----------------------------------------------------------- Get stored values
1.39 www 1442:
1443: my %returnhash=();
1444:
1445: if ($cachedassess eq $uname.':'.$udom) {
1446: #
1447: # get data out of the dumped stores
1448: #
1449:
1450: my $version=$cachedstores{'version:'.$symb};
1451: my $scope;
1452: for ($scope=1;$scope<=$version;$scope++) {
1453: map {
1454: $returnhash{$_}=$cachedstores{$scope.':'.$symb.':'.$_};
1455: } split(/\:/,$cachedstores{$scope.':keys:'.$symb});
1456: }
1457:
1458: } else {
1459: #
1460: # restore individual
1461: #
1462:
1.11 www 1463: my $answer=&Apache::lonnet::reply(
1.15 www 1464: "restore:$udom:$uname:".
1465: &Apache::lonnet::escape($namespace).":".
1466: &Apache::lonnet::escape($symb),$uhome);
1.6 www 1467: map {
1468: my ($name,$value)=split(/\=/,$_);
1.11 www 1469: $returnhash{&Apache::lonnet::unescape($name)}=
1470: &Apache::lonnet::unescape($value);
1.6 www 1471: } split(/\&/,$answer);
1472: my $version;
1473: for ($version=1;$version<=$returnhash{'version'};$version++) {
1474: map {
1475: $returnhash{$_}=$returnhash{$version.':'.$_};
1476: } split(/\:/,$returnhash{$version.':keys'});
1477: }
1.39 www 1478: }
1.11 www 1479: # ----------------------------- returnhash now has all stores for this resource
1480:
1481: # ---------------------------- initialize coursedata and userdata for this user
1.31 www 1482: undef %courseopt;
1483: undef %useropt;
1.29 www 1484:
1485: my $userprefix=$uname.'_'.$udom.'_';
1486:
1.11 www 1487: unless ($uhome eq 'no_host') {
1488: # -------------------------------------------------------------- Get coursedata
1.13 www 1489: unless
1.32 www 1490: ((time-$courserdatas{$cid.'.last_cache'})<240) {
1.29 www 1491: my $reply=&Apache::lonnet::reply('dump:'.$cdom.':'.$cnum.
1492: ':resourcedata',$chome);
1.11 www 1493: if ($reply!~/^error\:/) {
1.29 www 1494: $courserdatas{$cid}=$reply;
1495: $courserdatas{$cid.'.last_cache'}=time;
1.11 www 1496: }
1497: }
1498: map {
1499: my ($name,$value)=split(/\=/,$_);
1.29 www 1500: $courseopt{$userprefix.&Apache::lonnet::unescape($name)}=
1.11 www 1501: &Apache::lonnet::unescape($value);
1.36 www 1502: } split(/\&/,$courserdatas{$cid});
1.11 www 1503: # --------------------------------------------------- Get userdata (if present)
1.13 www 1504: unless
1.32 www 1505: ((time-$userrdatas{$uname.'___'.$udom.'.last_cache'})<240) {
1.11 www 1506: my $reply=
1507: &Apache::lonnet::reply('dump:'.$udom.':'.$uname.':resourcedata',$uhome);
1508: if ($reply!~/^error\:/) {
1509: $userrdatas{$uname.'___'.$udom}=$reply;
1.13 www 1510: $userrdatas{$uname.'___'.$udom.'.last_cache'}=time;
1.11 www 1511: }
1512: }
1513: map {
1514: my ($name,$value)=split(/\=/,$_);
1.29 www 1515: $useropt{$userprefix.&Apache::lonnet::unescape($name)}=
1.15 www 1516: &Apache::lonnet::unescape($value);
1.11 www 1517: } split(/\&/,$userrdatas{$uname.'___'.$udom});
1.29 www 1518: }
1519: # ----------------- now courseopt, useropt initialized for this user and course
1520: # (used by parmval)
1521:
1.60 www 1522: #
1523: # Load keys for this assessment only
1524: #
1525: my %thisassess=();
1526: my ($symap,$syid,$srcf)=split(/\_\_\_/,$symb);
1527:
1528: map {
1529: $thisassess{$_}=1;
1530: } split(/\,/,&Apache::lonnet::metadata($srcf,'keys'));
1531: #
1532: # Load parameters
1533: #
1.29 www 1534: my %c=();
1.6 www 1535:
1.29 www 1536: if (tie(%parmhash,'GDBM_File',
1537: &getcfn($safeeval).'_parms.db',&GDBM_READER,0640)) {
1.6 www 1538: my %f=&getformulas($safeeval);
1539: map {
1540: if ($_=~/^A/) {
1541: unless ($f{$_}=~/^\!/) {
1.11 www 1542: if ($f{$_}=~/^parameter/) {
1.60 www 1543: if ($thisassess{$f{$_}}) {
1.40 www 1544: my $val=&parmval($f{$_},$safeeval);
1545: $c{$_}=$val;
1546: $c{$f{$_}}=$val;
1.60 www 1547: }
1.11 www 1548: } else {
1.15 www 1549: my $key=$f{$_};
1.40 www 1550: my $ckey=$key;
1.15 www 1551: $key=~s/^stores\_/resource\./;
1552: $key=~s/\_/\./;
1553: $c{$_}=$returnhash{$key};
1.40 www 1554: $c{$ckey}=$returnhash{$key};
1.11 www 1555: }
1556: }
1.6 www 1557: }
1558: } keys %f;
1.29 www 1559: untie(%parmhash);
1560: }
1561: &setconstants($safeeval,%c);
1.6 www 1562: }
1563:
1.10 www 1564: # --------------------------------------------------------- Various form fields
1565:
1566: sub textfield {
1567: my ($title,$name,$value)=@_;
1568: return "\n<p><b>$title:</b><br>".
1569: '<input type=text name="'.$name.'" size=80 value="'.$value.'">';
1570: }
1571:
1572: sub hiddenfield {
1573: my ($name,$value)=@_;
1574: return "\n".'<input type=hidden name="'.$name.'" value="'.$value.'">';
1575: }
1576:
1577: sub selectbox {
1578: my ($title,$name,$value,%options)=@_;
1579: my $selout="\n<p><b>$title:</b><br>".'<select name="'.$name.'">';
1580: map {
1581: $selout.='<option value="'.$_.'"';
1582: if ($_ eq $value) { $selout.=' selected'; }
1583: $selout.='>'.$options{$_}.'</option>';
1584: } sort keys %options;
1585: return $selout.'</select>';
1586: }
1587:
1.28 www 1588: # =============================================== Update information in a sheet
1589: #
1590: # Add new users or assessments, etc.
1591: #
1592:
1593: sub updatesheet {
1594: my $safeeval=shift;
1595: my $stype=&gettype($safeeval);
1596: if ($stype eq 'classcalc') {
1597: return &updateclasssheet($safeeval);
1598: } else {
1599: return &updatestudentassesssheet($safeeval);
1600: }
1601: }
1602:
1603: # =================================================== Load the rows for a sheet
1604: #
1605: # Import the data for rows
1606: #
1607:
1.37 www 1608: sub loadrows {
1609: my ($safeeval,$r)=@_;
1.28 www 1610: my $stype=&gettype($safeeval);
1611: if ($stype eq 'classcalc') {
1.37 www 1612: &loadcourse($safeeval,$r);
1.28 www 1613: } elsif ($stype eq 'studentcalc') {
1.29 www 1614: &loadstudent($safeeval);
1.28 www 1615: } else {
1.29 www 1616: &loadassessment($safeeval);
1.28 www 1617: }
1618: }
1619:
1.47 www 1620: # ======================================================= Forced recalculation?
1621:
1622: sub checkthis {
1623: my ($keyname,$time)=@_;
1624: return ($time<$expiredates{$keyname});
1625: }
1626: sub forcedrecalc {
1627: my ($uname,$udom,$stype,$usymb)=@_;
1628: my $key=$uname.':'.$udom.':'.$stype.':'.$usymb;
1629: my $time=$oldsheets{$key.'.time'};
1.53 www 1630: if ($ENV{'form.forcerecalc'}) { return 1; }
1.47 www 1631: unless ($time) { return 1; }
1632: if ($stype eq 'assesscalc') {
1633: my $map=(split(/\_\_\_/,$usymb))[0];
1634: if (&checkthis('::assesscalc:',$time) ||
1635: &checkthis('::assesscalc:'.$map,$time) ||
1636: &checkthis('::assesscalc:'.$usymb,$time) ||
1.49 www 1637: &checkthis($uname.':'.$udom.':assesscalc:',$time) ||
1638: &checkthis($uname.':'.$udom.':assesscalc:'.$map,$time) ||
1639: &checkthis($uname.':'.$udom.':assesscalc:'.$usymb,$time)) {
1.47 www 1640: return 1;
1641: }
1642: } else {
1643: if (&checkthis('::studentcalc:',$time) ||
1.51 www 1644: &checkthis($uname.':'.$udom.':studentcalc:',$time)) {
1.47 www 1645: return 1;
1646: }
1647: }
1648: return 0;
1649: }
1650:
1.28 www 1651: # ============================================================== Export handler
1652: #
1653: # Non-interactive call from with program
1654: #
1655:
1656: sub exportsheet {
1.44 www 1657: my ($uname,$udom,$stype,$usymb,$fn)=@_;
1658: my @exportarr=();
1659: #
1660: # Check if cached
1661: #
1.46 www 1662:
1.44 www 1663: my $key=$uname.':'.$udom.':'.$stype.':'.$usymb;
1664: my $found='';
1665:
1666: if ($oldsheets{$key}) {
1667: map {
1668: my ($name,$value)=split(/\_\_\_\=\_\_\_/,$_);
1669: if ($name eq $fn) {
1670: $found=$value;
1671: }
1672: } split(/\_\_\_\&\_\_\_/,$oldsheets{$key});
1673: }
1674:
1.46 www 1675: unless ($found) {
1676: &cachedssheets($uname,$udom,&Apache::lonnet::homeserver($uname,$udom));
1677: if ($oldsheets{$key}) {
1678: map {
1679: my ($name,$value)=split(/\_\_\_\=\_\_\_/,$_);
1680: if ($name eq $fn) {
1681: $found=$value;
1682: }
1683: } split(/\_\_\_\&\_\_\_/,$oldsheets{$key});
1684: }
1685: }
1.47 www 1686: #
1687: # Check if still valid
1688: #
1689: if ($found) {
1690: if (&forcedrecalc($uname,$udom,$stype,$usymb)) {
1691: $found='';
1692: }
1693: }
1694:
1.44 www 1695: if ($found) {
1696: #
1697: # Return what was cached
1698: #
1699: @exportarr=split(/\_\_\_\;\_\_\_/,$found);
1700:
1701: } else {
1702: #
1703: # Not cached
1.46 www 1704: #
1705:
1.29 www 1706: my $thissheet=&makenewsheet($uname,$udom,$stype,$usymb);
1.28 www 1707: &readsheet($thissheet,$fn);
1708: &updatesheet($thissheet);
1709: &loadrows($thissheet);
1.44 www 1710: &calcsheet($thissheet);
1711: @exportarr=&exportdata($thissheet);
1712: #
1713: # Store now
1714: #
1715: my $cid=$ENV{'request.course.id'};
1.47 www 1716: my $current='';
1.46 www 1717: if ($stype eq 'studentcalc') {
1718: $current=&Apache::lonnet::reply('get:'.
1.44 www 1719: $ENV{'course.'.$cid.'.domain'}.':'.
1720: $ENV{'course.'.$cid.'.num'}.
1721: ':nohist_calculatedsheets:'.
1722: &Apache::lonnet::escape($key),
1723: $ENV{'course.'.$cid.'.home'});
1.46 www 1724: } else {
1725: $current=&Apache::lonnet::reply('get:'.
1726: &getudom($thissheet).':'.
1727: &getuname($thissheet).
1728: ':nohist_calculatedsheets_'.
1729: $ENV{'request.course.id'}.':'.
1730: &Apache::lonnet::escape($key),
1731: &getuhome($thissheet));
1732:
1733: }
1.44 www 1734: my %currentlystored=();
1735: unless ($current=~/^error\:/) {
1736: map {
1737: my ($name,$value)=split(/\_\_\_\=\_\_\_/,$_);
1738: $currentlystored{$name}=$value;
1739: } split(/\_\_\_\&\_\_\_/,&Apache::lonnet::unescape($current));
1740: }
1741: $currentlystored{$fn}=join('___;___',@exportarr);
1742:
1743: my $newstore='';
1744: map {
1745: if ($newstore) { $newstore.='___&___'; }
1746: $newstore.=$_.'___=___'.$currentlystored{$_};
1747: } keys %currentlystored;
1.47 www 1748: my $now=time;
1.46 www 1749: if ($stype eq 'studentcalc') {
1750: &Apache::lonnet::reply('put:'.
1.44 www 1751: $ENV{'course.'.$cid.'.domain'}.':'.
1752: $ENV{'course.'.$cid.'.num'}.
1753: ':nohist_calculatedsheets:'.
1754: &Apache::lonnet::escape($key).'='.
1.47 www 1755: &Apache::lonnet::escape($newstore).'&'.
1756: &Apache::lonnet::escape($key).'.time='.$now,
1.44 www 1757: $ENV{'course.'.$cid.'.home'});
1.46 www 1758: } else {
1759: &Apache::lonnet::reply('put:'.
1760: &getudom($thissheet).':'.
1761: &getuname($thissheet).
1762: ':nohist_calculatedsheets_'.
1763: $ENV{'request.course.id'}.':'.
1764: &Apache::lonnet::escape($key).'='.
1.47 www 1765: &Apache::lonnet::escape($newstore).'&'.
1766: &Apache::lonnet::escape($key).'.time='.$now,
1.46 www 1767: &getuhome($thissheet));
1768: }
1.44 www 1769: }
1770: return @exportarr;
1771: }
1.48 www 1772: # ============================================================ Expiration Dates
1773: #
1774: # Load previously cached student spreadsheets for this course
1775: #
1776:
1777: sub expirationdates {
1778: undef %expiredates;
1779: my $cid=$ENV{'request.course.id'};
1780: my $reply=&Apache::lonnet::reply('dump:'.
1781: $ENV{'course.'.$cid.'.domain'}.':'.
1782: $ENV{'course.'.$cid.'.num'}.
1783: ':nohist_expirationdates',
1784: $ENV{'course.'.$cid.'.home'});
1785: unless ($reply=~/^error\:/) {
1786: map {
1787: my ($name,$value)=split(/\=/,$_);
1788: $expiredates{&Apache::lonnet::unescape($name)}
1789: =&Apache::lonnet::unescape($value);
1790: } split(/\&/,$reply);
1791: }
1792: }
1.44 www 1793:
1794: # ===================================================== Calculated sheets cache
1795: #
1.46 www 1796: # Load previously cached student spreadsheets for this course
1.44 www 1797: #
1798:
1.46 www 1799: sub cachedcsheets {
1.44 www 1800: my $cid=$ENV{'request.course.id'};
1801: my $reply=&Apache::lonnet::reply('dump:'.
1802: $ENV{'course.'.$cid.'.domain'}.':'.
1803: $ENV{'course.'.$cid.'.num'}.
1804: ':nohist_calculatedsheets',
1805: $ENV{'course.'.$cid.'.home'});
1806: unless ($reply=~/^error\:/) {
1807: map {
1808: my ($name,$value)=split(/\=/,$_);
1809: $oldsheets{&Apache::lonnet::unescape($name)}
1810: =&Apache::lonnet::unescape($value);
1811: } split(/\&/,$reply);
1812: }
1.28 www 1813: }
1814:
1.46 www 1815: # ===================================================== Calculated sheets cache
1816: #
1817: # Load previously cached assessment spreadsheets for this student
1818: #
1819:
1820: sub cachedssheets {
1821: my ($sname,$sdom,$shome)=@_;
1822: unless (($loadedcaches{$sname.'_'.$sdom}) || ($shome eq 'no_host')) {
1823: my $cid=$ENV{'request.course.id'};
1824: my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.
1825: ':nohist_calculatedsheets_'.
1826: $ENV{'request.course.id'},
1827: $shome);
1828: unless ($reply=~/^error\:/) {
1829: map {
1830: my ($name,$value)=split(/\=/,$_);
1831: $oldsheets{&Apache::lonnet::unescape($name)}
1832: =&Apache::lonnet::unescape($value);
1833: } split(/\&/,$reply);
1834: }
1835: $loadedcaches{$sname.'_'.$sdom}=1;
1836: }
1837: }
1838:
1839: # ===================================================== Calculated sheets cache
1840: #
1841: # Load previously cached assessment spreadsheets for this student
1842: #
1843:
1.12 www 1844: # ================================================================ Main handler
1.28 www 1845: #
1846: # Interactive call to screen
1847: #
1848: #
1849:
1.3 www 1850:
1851: sub handler {
1.7 www 1852: my $r=shift;
1853:
1.28 www 1854: if ($r->header_only) {
1.7 www 1855: $r->content_type('text/html');
1856: $r->send_http_header;
1857: return OK;
1.28 www 1858: }
1859:
1860: # ---------------------------------------------------- Global directory configs
1861:
1.29 www 1862: $includedir=$r->dir_config('lonIncludes');
1.28 www 1863: $tmpdir=$r->dir_config('lonDaemons').'/tmp/';
1.3 www 1864:
1.7 www 1865: # ----------------------------------------------------- Needs to be in a course
1.3 www 1866:
1.29 www 1867: if ($ENV{'request.course.fn'}) {
1.10 www 1868:
1869: # --------------------------- Get query string for limited number of parameters
1.17 www 1870:
1.10 www 1871: map {
1872: my ($name, $value) = split(/=/,$_);
1873: $value =~ tr/+/ /;
1874: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1.19 www 1875: if (($name eq 'uname') || ($name eq 'udom') ||
1876: ($name eq 'usymb') || ($name eq 'ufn')) {
1.10 www 1877: unless ($ENV{'form.'.$name}) {
1878: $ENV{'form.'.$name}=$value;
1879: }
1880: }
1881: } (split(/&/,$ENV{'QUERY_STRING'}));
1882:
1.55 www 1883: # -------------------------------------- Interactive loading of specific sheet?
1884: if (($ENV{'form.load'}) && ($ENV{'form.loadthissheet'} ne 'Default')) {
1885: $ENV{'form.ufn'}=$ENV{'form.loadthissheet'};
1886: }
1.10 www 1887: # ------------------------------------------- Nothing there? Must be login user
1.29 www 1888:
1889: my $aname;
1890: my $adom;
1891:
1.10 www 1892: unless ($ENV{'form.uname'}) {
1.29 www 1893: $aname=$ENV{'user.name'};
1894: $adom=$ENV{'user.domain'};
1.11 www 1895: } else {
1.29 www 1896: $aname=$ENV{'form.uname'};
1897: $adom=$ENV{'form.udom'};
1.10 www 1898: }
1.14 www 1899:
1.10 www 1900: # ------------------------------------------------------------------- Open page
1901:
1.7 www 1902: $r->content_type('text/html');
1.11 www 1903: $r->header_out('Cache-control','no-cache');
1904: $r->header_out('Pragma','no-cache');
1.7 www 1905: $r->send_http_header;
1.3 www 1906:
1.14 www 1907: # --------------------------------------------------------------- Screen output
1908:
1.10 www 1909: $r->print('<html><head><title>LON-CAPA Spreadsheet</title>');
1910: $r->print(<<ENDSCRIPT);
1911: <script language="JavaScript">
1912:
1913: function celledit(cn,cf) {
1914: var cnf=prompt(cn,cf);
1915: if (cnf!=null) {
1916: document.sheet.unewfield.value=cn;
1917: document.sheet.unewformula.value=cnf;
1918: document.sheet.submit();
1919: }
1920: }
1921:
1.55 www 1922: function changesheet(cn) {
1923: document.sheet.unewfield.value=cn;
1924: document.sheet.unewformula.value='changesheet';
1925: document.sheet.submit();
1926: }
1927:
1.10 www 1928: </script>
1929: ENDSCRIPT
1930: $r->print('</head><body bgcolor="#FFFFFF">'.
1.21 www 1931: '<img align=right src=/adm/lonIcons/lonlogos.gif>'.
1932: '<h1>LON-CAPA Spreadsheet</h1>'.
1.10 www 1933: '<form action="'.$r->uri.'" name=sheet method=post>'.
1934: &hiddenfield('uname',$ENV{'form.uname'}).
1935: &hiddenfield('udom',$ENV{'form.udom'}).
1936: &hiddenfield('usymb',$ENV{'form.usymb'}).
1937: &hiddenfield('unewfield','').
1938: &hiddenfield('unewformula',''));
1.29 www 1939:
1940: # ---------------------- Make sure that this gets out, even if user hits "stop"
1941:
1.24 www 1942: $r->rflush();
1.29 www 1943:
1.54 www 1944: # ---------------------------------------------------------------- Full recalc?
1945:
1946:
1947: if ($ENV{'form.forcerecalc'}) {
1948: $r->print('<h4>Completely Recalculating Sheet ...</h4>');
1949: undef %spreadsheets;
1950: undef %courserdatas;
1951: undef %userrdatas;
1952: undef %defaultsheets;
1953: undef %updatedata;
1954: }
1955:
1.14 www 1956: # ---------------------------------------- Read new sheet or modified worksheet
1957:
1.19 www 1958: $r->uri=~/\/(\w+)$/;
1.14 www 1959:
1.29 www 1960: my $asheet=&makenewsheet($aname,$adom,$1,$ENV{'form.usymb'});
1961:
1.30 www 1962: # ------------------------ If a new formula had been entered, go from work copy
1963:
1964: if ($ENV{'form.unewfield'}) {
1965: $r->print('<h2>Modified Workcopy</h2>');
1966: $ENV{'form.unewformula'}=~s/\'/\"/g;
1967: $r->print('<p>New formula: '.$ENV{'form.unewfield'}.'='.
1968: $ENV{'form.unewformula'}.'<p>');
1969: &setfilename($asheet,$ENV{'form.ufn'});
1970: &tmpread($asheet,
1971: $ENV{'form.unewfield'},$ENV{'form.unewformula'});
1972:
1973: } elsif ($ENV{'form.saveas'}) {
1974: &setfilename($asheet,$ENV{'form.ufn'});
1975: &tmpread($asheet);
1976: } else {
1977: &readsheet($asheet,$ENV{'form.ufn'});
1978: }
1979:
1980: # -------------------------------------------------- Print out user information
1981:
1982: unless (&gettype($asheet) eq 'classcalc') {
1983: $r->print('<p><b>User:</b> '.&getuname($asheet).
1984: '<br><b>Domain:</b> '.&getudom($asheet));
1985: if (&getcsec($asheet) eq '-1') {
1986: $r->print('<h3><font color=red>'.
1987: 'Not a student in this course</font></h3>');
1988: } else {
1989: $r->print('<br><b>Section/Group:</b> '.&getcsec($asheet));
1990: }
1991: }
1992:
1993: # ---------------------------------------------------------------- Course title
1994:
1995: $r->print('<h1>'.
1.61 ! www 1996: $ENV{'course.'.$ENV{'request.course.id'}.'.description'}.
! 1997: '</h1><h3>'.localtime().'</h3>');
1.30 www 1998:
1.53 www 1999: # ---------------------------------------------------- See if user can see this
2000:
2001: if ((&gettype($asheet) eq 'classcalc') ||
2002: (&getuname($asheet) ne $ENV{'user.name'}) ||
2003: (&getudom($asheet) ne $ENV{'user.domain'})) {
2004: unless (&Apache::lonnet::allowed('vgr',&getcid($asheet))) {
2005: $r->print(
2006: '<h1>Access Permission Denied</h1></form></body></html>');
2007: return OK;
2008: }
2009: }
1.30 www 2010:
1.53 www 2011: # ---------------------------------------------------------- Additional options
2012:
2013: $r->print(
2014: '<input type=submit name=forcerecalc value="Completely Recalculate Sheet"><p>'
2015: );
2016: if (&gettype($asheet) eq 'assesscalc') {
2017: $r->print ('<p><font size=+2><a href="/adm/studentcalc?uname='.
2018: &getuname($asheet).
2019: '&udom='.&getudom($asheet).
2020: '">Level up: Student Sheet</a></font><p>');
2021: }
2022:
2023: if ((&gettype($asheet) eq 'studentcalc') &&
2024: (&Apache::lonnet::allowed('vgr',&getcid($asheet)))) {
2025: $r->print (
2026: '<p><font size=+2><a href="/adm/classcalc">'.
2027: 'Level up: Course Sheet</a></font><p>');
2028: }
2029:
1.30 www 2030:
2031: # ----------------------------------------------------------------- Save dialog
2032:
2033:
2034: if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
2035: my $fname=$ENV{'form.ufn'};
2036: $fname=~s/\_[^\_]+$//;
2037: if ($fname eq 'default') { $fname='course_default'; }
2038: $r->print('<input type=submit name=saveas value="Save as ...">'.
2039: '<input type=text size=20 name=newfn value="'.$fname.
2040: '"> (make default: <input type=checkbox name="makedefufn">)<p>');
2041: }
2042:
2043: $r->print(&hiddenfield('ufn',&getfilename($asheet)));
1.55 www 2044:
2045: # ----------------------------------------------------------------- Load dialog
2046: if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
2047: $r->print('<p><input type=submit name=load value="Load ...">'.
2048: '<select name="loadthissheet">'.
2049: '<option name="default">Default</option>');
2050: map {
2051: $r->print('<option name="'.$_.'"');
2052: if ($ENV{'form.ufn'} eq $_) {
2053: $r->print(' selected');
2054: }
2055: $r->print('>'.$_.'</option>');
2056: } &othersheets($asheet,&gettype($asheet));
2057: $r->print('</select><p>');
2058: if (&gettype($asheet) eq 'studentcalc') {
2059: &setothersheets($asheet,&othersheets($asheet,'assesscalc'));
2060: }
2061: }
1.30 www 2062:
1.46 www 2063: # --------------------------------------------------------------- Cached sheets
1.48 www 2064:
2065: &expirationdates();
1.46 www 2066:
2067: undef %oldsheets;
2068: undef %loadedcaches;
1.44 www 2069:
1.46 www 2070: if (&gettype($asheet) eq 'classcalc') {
2071: $r->print("Loading previously calculated student sheets ...<br>\n");
2072: $r->rflush();
2073: &cachedcsheets();
2074: } elsif (&gettype($asheet) eq 'studentcalc') {
2075: $r->print("Loading previously calculated assessment sheets ...<br>\n");
2076: $r->rflush();
2077: &cachedssheets(&getuname($asheet),&getudom($asheet),
2078: &getuhome($asheet));
2079: }
1.30 www 2080:
2081: # ----------------------------------------------------- Update sheet, load rows
1.14 www 2082:
1.44 www 2083: $r->print("Loaded sheet(s), updating rows ...<br>\n");
1.36 www 2084: $r->rflush();
2085:
1.29 www 2086: &updatesheet($asheet);
1.36 www 2087:
2088: $r->print("Updated rows, loading row data ...<br>\n");
2089: $r->rflush();
2090:
1.37 www 2091: &loadrows($asheet,$r);
1.14 www 2092:
1.36 www 2093: $r->print("Loaded row data, calculating sheet ...<br>\n");
2094: $r->rflush();
1.14 www 2095:
1.29 www 2096: my $calcoutput=&calcsheet($asheet);
2097: $r->print('<h3><font color=red>'.$calcoutput.'</h3></font>');
1.56 www 2098:
2099: # ---------------------------------------------------- See if something to save
2100:
2101: if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
2102: my $fname='';
2103: if ($ENV{'form.saveas'} && ($fname=$ENV{'form.newfn'})) {
2104: $fname=~s/\W/\_/g;
2105: if ($fname eq 'default') { $fname='course_default'; }
2106: $fname.='_'.&gettype($asheet);
2107: &setfilename($asheet,$fname);
2108: $ENV{'form.ufn'}=$fname;
2109: $r->print('<p>Saving spreadsheet: '.
2110: &writesheet($asheet,$ENV{'form.makedefufn'}).'<p>');
2111: }
2112: }
2113:
2114: # ------------------------------------------------ Write the modified worksheet
2115:
2116: $r->print('<b>Current sheet:</b> '.&getfilename($asheet).'<p>');
2117:
2118: &tmpwrite($asheet);
1.61 ! www 2119:
! 2120: $r->print(
! 2121: '<br>Show empty rows: <input type=checkbox name=showall onClick="submit()"');
! 2122: if ($ENV{'form.showall'}) { $r->print(' checked'); }
! 2123: $r->print('>');
1.56 www 2124:
2125: # ------------------------------------------------------------- Print out sheet
1.8 www 2126:
1.29 www 2127: &outsheet($r,$asheet);
1.10 www 2128: $r->print('</form></body></html>');
1.29 www 2129:
1.14 www 2130: # ------------------------------------------------------------------------ Done
1.7 www 2131: } else {
2132: # ----------------------------- Not in a course, or not allowed to modify parms
2133: $ENV{'user.error.msg'}=
2134: $r->uri.":opa:0:0:Cannot modify spreadsheet";
2135: return HTTP_NOT_ACCEPTABLE;
2136: }
1.3 www 2137: return OK;
1.28 www 2138:
1.1 www 2139: }
2140:
2141: 1;
2142: __END__
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