Annotation of loncom/interface/lonspreadsheet.pm, revision 1.73
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,
1.69 www 9: # 07/09,07/14,07/21,09/01,09/10,9/11,9/12,9/13,9/14,9/17,
1.73 ! www 10: # 10/16,10/17,10/20,11/05 Gerd Kortemeyer
1.1 www 11:
12: package Apache::lonspreadsheet;
1.36 www 13:
1.1 www 14: use strict;
15: use Safe;
1.3 www 16: use Safe::Hole;
1.1 www 17: use Opcode;
18: use Apache::lonnet;
1.7 www 19: use Apache::Constants qw(:common :http);
1.19 www 20: use GDBM_File;
1.3 www 21: use HTML::TokeParser;
22:
1.11 www 23: #
1.44 www 24: # Caches for previously calculated spreadsheets
25: #
26:
27: my %oldsheets;
1.46 www 28: my %loadedcaches;
1.47 www 29: my %expiredates;
1.44 www 30:
31: #
1.39 www 32: # Cache for stores of an individual user
33: #
34:
35: my $cachedassess;
36: my %cachedstores;
37:
38: #
1.11 www 39: # These cache hashes need to be independent of user, resource and course
1.27 www 40: # (user and course can/should be in the keys)
1.11 www 41: #
1.33 www 42:
43: my %spreadsheets;
44: my %courserdatas;
45: my %userrdatas;
46: my %defaultsheets;
1.35 www 47: my %updatedata;
1.27 www 48:
1.11 www 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:
1.28 www 57: # Stuff that only the screen handler can know
58:
59: my $includedir;
60: my $tmpdir;
61:
1.5 www 62: # =============================================================================
63: # ===================================== Implements an instance of a spreadsheet
1.4 www 64:
65: sub initsheet {
1.36 www 66: my $safeeval = new Safe(shift);
1.4 www 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:
1.3 www 76: #
77: # f: formulas
1.4 www 78: # t: intermediate format (variable references expanded)
79: # v: output values
1.6 www 80: # c: preloaded constants (A-column)
81: # rl: row label
1.55 www 82: # os: other spreadsheets (for student spreadsheet only)
1.3 www 83:
1.36 www 84: undef %v;
85: undef %t;
86: undef %f;
87: undef %c;
88: undef %rl;
1.55 www 89: undef @os;
90:
1.6 www 91: $maxrow=0;
1.5 www 92: $sheettype='';
1.27 www 93:
94: # filename/reference of the sheet
95:
1.5 www 96: $filename='';
1.1 www 97:
1.27 www 98: # user data
99: $uname='';
100: $uhome='';
101: $udom='';
102:
103: # course data
104:
105: $csec='';
106: $chome='';
107: $cnum='';
108: $cdom='';
1.28 www 109: $cid='';
1.29 www 110: $cfn='';
1.27 www 111:
112: # symb
113:
114: $usymb='';
115:
1.1 www 116: sub mask {
117: my ($lower,$upper)=@_;
118:
1.7 www 119: $lower=~/([A-Za-z]|\*)(\d+|\*)/;
1.1 www 120: my $la=$1;
121: my $ld=$2;
122:
1.7 www 123: $upper=~/([A-Za-z]|\*)(\d+|\*)/;
1.1 www 124: my $ua=$1;
125: my $ud=$2;
126: my $alpha='';
127: my $num='';
128:
129: if (($la eq '*') || ($ua eq '*')) {
1.7 www 130: $alpha='[A-Za-z]';
1.1 www 131: } else {
1.7 www 132: if (($la=~/[A-Z]/) && ($ua=~/[A-Z]/) ||
133: ($la=~/[a-z]/) && ($ua=~/[a-z]/)) {
134: $alpha='['.$la.'-'.$ua.']';
135: } else {
136: $alpha='['.$la.'-Za-'.$ua.']';
137: }
1.1 www 138: }
139:
140: if (($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);
1.7 www 159: my $i; $j=0; $notdone=1;
160: for ($i=0;($i<=$#lda)&&($notdone);$i++) {
1.1 www 161: if ($lda[$i]==$uda[$i]) {
162: $num.=$lda[$i];
163: $j=$i;
1.7 www 164: } else {
165: $notdone=0;
1.1 www 166: }
167: }
168: if ($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: $num.=')';
182: } else {
1.7 www 183: if ($lda[$#lda]!=$uda[$#uda]) {
184: $num.='['.$lda[$#lda].'-'.$uda[$#uda].']';
185: }
1.1 www 186: }
187: }
188: }
1.4 www 189: return '^'.$alpha.$num."\$";
1.1 www 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:
1.59 www 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:
1.1 www 348: sub sett {
349: %t=();
1.16 www 350: my $pattern='';
351: if ($sheettype eq 'assesscalc') {
352: $pattern='A';
353: } else {
354: $pattern='[A-Z]';
355: }
1.1 www 356: map {
1.20 www 357: if ($_=~/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;
1.59 www 369: $t{$lb}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.&expandnamed($2)/ge;
1.20 www 370: }
371: }
372: } keys %f;
373: }
374: }
375: } keys %f;
376: map {
377: if (($f{$_}) && ($_!~/template\_/)) {
1.42 www 378: my $matches=($_=~/^$pattern(\d+)/);
379: if (($matches) && ($1)) {
1.6 www 380: unless ($f{$_}=~/^\!/) {
381: $t{$_}=$c{$_};
382: }
383: } else {
384: $t{$_}=$f{$_};
1.7 www 385: $t{$_}=~s/\.\.+/\,/g;
386: $t{$_}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$v\{\'$2\'\}/g;
1.59 www 387: $t{$_}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.&expandnamed($2)/ge;
1.6 www 388: }
1.1 www 389: }
390: } keys %f;
1.17 www 391: $t{'A0'}=$f{'A0'};
392: $t{'A0'}=~s/\.\.+/\,/g;
393: $t{'A0'}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$v\{\'$2\'\}/g;
1.59 www 394: $t{'A0'}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.&expandnamed($2)/ge;
1.1 www 395: }
396:
1.4 www 397: sub calc {
1.1 www 398: %v=();
1.4 www 399: &sett();
1.1 www 400: my $notfinished=1;
401: my $depth=0;
402: while ($notfinished) {
403: $notfinished=0;
404: map {
405: my $old=$v{$_};
1.4 www 406: $v{$_}=eval($t{$_});
1.1 www 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:
1.21 www 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:
1.16 www 436: sub outrowassess {
1.6 www 437: my $n=shift;
438: my @cols=();
439: if ($n) {
1.55 www 440: my ($usy,$ufn)=split(/\_\_\&\&\&\_\_/,$f{'A'.$n});
1.58 www 441: $cols[0]=$rl{$usy}.'<br>'.
1.55 www 442: '<select name="sel_'.$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>';
1.6 www 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',
1.7 www 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');
1.6 www 463: return @cols;
464: }
465:
1.18 www 466: sub outrow {
467: my $n=shift;
468: my @cols=();
469: if ($n) {
1.21 www 470: $cols[0]=$rl{$f{'A'.$n}};
1.18 www 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:
1.14 www 485: sub exportrowa {
1.28 www 486: my @exportarray=();
1.14 www 487: map {
1.28 www 488: $exportarray[$#exportarray+1]=$v{$_.'0'};
1.14 www 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');
1.28 www 491: return @exportarray;
1.14 www 492: }
493:
1.4 www 494: # ------------------------------------------- End of "Inside of the safe space"
495: ENDDEFS
496: $safeeval->reval($code);
497: return $safeeval;
498: }
499:
500: # ------------------------------------------------ Add or change formula values
501:
502: sub setformulas {
1.34 www 503: my ($safeeval,%f)=@_;
504: %{$safeeval->varglob('f')}=%f;
1.6 www 505: }
506:
507: # ------------------------------------------------ Add or change formula values
508:
509: sub setconstants {
1.34 www 510: my ($safeeval,%c)=@_;
511: %{$safeeval->varglob('c')}=%c;
1.6 www 512: }
513:
1.55 www 514: # --------------------------------------------- Set names of other spreadsheets
515:
516: sub setothersheets {
517: my ($safeeval,@os)=@_;
518: @{$safeeval->varglob('os')}=@os;
519: }
520:
1.6 www 521: # ------------------------------------------------ Add or change formula values
522:
523: sub setrowlabels {
1.34 www 524: my ($safeeval,%rl)=@_;
525: %{$safeeval->varglob('rl')}=%rl;
1.4 www 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 $safeeval=shift;
1.34 www 546: return %{$safeeval->varglob('f')};
1.4 www 547: }
548:
1.5 www 549: # -------------------------------------------------------------------- Get type
550:
551: sub gettype {
552: my $safeeval=shift;
553: return $safeeval->reval('$sheettype');
554: }
1.27 www 555:
1.6 www 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: }
1.5 www 569:
1.6 www 570: # ---------------------------------------------------------------- Set filename
1.5 www 571:
572: sub setfilename {
573: my ($safeeval,$fn)=@_;
1.11 www 574: $safeeval->reval('$filename="'.$fn.'";');
1.5 www 575: }
576:
1.6 www 577: # ---------------------------------------------------------------- Get filename
1.5 www 578:
579: sub getfilename {
580: my $safeeval=shift;
581: return $safeeval->reval('$filename');
582: }
1.29 www 583:
1.28 www 584: # --------------------------------------------------------------- Get course ID
585:
586: sub getcid {
587: my $safeeval=shift;
588: return $safeeval->reval('$cid');
589: }
1.14 www 590:
1.29 www 591: # --------------------------------------------------------- Get course filename
592:
593: sub getcfn {
594: my $safeeval=shift;
595: return $safeeval->reval('$cfn');
596: }
597:
1.27 www 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:
1.14 www 654: # ------------------------------------------------------------- Export of A-row
655:
1.28 www 656: sub exportdata {
1.14 www 657: my $safeeval=shift;
658: return $safeeval->reval('&exportrowa()');
659: }
660:
1.55 www 661:
1.5 www 662: # ========================================================== End of Spreadsheet
663: # =============================================================================
664:
1.27 www 665: #
666: # Procedures for screen output
667: #
1.6 www 668: # --------------------------------------------- Produce output row n from sheet
669:
670: sub rown {
671: my ($safeeval,$n)=@_;
1.21 www 672: my $defaultbg;
1.24 www 673: my $rowdata='';
1.61 www 674: my $dataflag=0;
1.21 www 675: unless ($n eq '-') {
676: $defaultbg=((($n-1)/5)==int(($n-1)/5))?'#E0E0':'#FFFF';
677: } else {
678: $defaultbg='#E0FF';
679: }
1.71 www 680: unless ($ENV{'form.showcsv'}) {
681: $rowdata.="\n<tr><td><b><font size=+1>$n</font></b></td>";
682: } else {
683: $rowdata.="\n".'"'.$n.'"';
684: }
1.6 www 685: my $showf=0;
1.16 www 686: my $proc;
1.18 www 687: my $maxred;
1.62 www 688: my $sheettype=&gettype($safeeval);
689: if ($sheettype eq 'studentcalc') {
1.55 www 690: $proc='&outrowassess';
691: $maxred=26;
692: } else {
693: $proc='&outrow';
694: }
1.62 www 695: if ($sheettype eq 'assesscalc') {
1.18 www 696: $maxred=1;
1.16 www 697: } else {
1.18 www 698: $maxred=26;
1.16 www 699: }
1.61 www 700: if ($n eq '-') { $proc='&templaterow'; $n=-1; $dataflag=1; }
1.6 www 701: map {
1.9 www 702: my $bgcolor=$defaultbg.((($showf-1)/5==int(($showf-1)/5))?'99':'DD');
1.6 www 703: my ($fm,$vl)=split(/\_\_\_eq\_\_\_/,$_);
1.62 www 704: if ((($vl ne '') || ($vl eq '0')) &&
705: (($showf==1) || ($sheettype ne 'studentcalc'))) { $dataflag=1; }
1.6 www 706: if ($showf==0) { $vl=$_; }
1.71 www 707: unless ($ENV{'form.showcsv'}) {
1.18 www 708: if ($showf<=$maxred) { $bgcolor='#FFDDDD'; }
1.9 www 709: if (($n==0) && ($showf<=26)) { $bgcolor='#CCCCFF'; }
1.18 www 710: if (($showf>$maxred) || ((!$n) && ($showf>0))) {
1.6 www 711: if ($vl eq '') {
1.9 www 712: $vl='<font size=+2 color='.$bgcolor.'>#</font>';
1.6 www 713: }
714: $rowdata.=
1.10 www 715: '<td bgcolor='.$bgcolor.'><a href="javascript:celledit('.$fm.');">'.$vl.
1.6 www 716: '</a></td>';
717: } else {
1.9 www 718: $rowdata.='<td bgcolor='.$bgcolor.'> '.$vl.' </td>';
1.6 www 719: }
1.71 www 720: } else {
721: $rowdata.=',"'.$vl.'"';
722: }
1.6 www 723: $showf++;
1.16 www 724: } $safeeval->reval($proc.'('.$n.')');
1.61 www 725: if ($ENV{'form.showall'} || ($dataflag)) {
1.71 www 726: return $rowdata.($ENV{'form.showcsv'}?'':'</tr>');
1.61 www 727: } else {
1.63 www 728: return '';
1.61 www 729: }
1.6 www 730: }
731:
732: # ------------------------------------------------------------- Print out sheet
733:
734: sub outsheet {
1.24 www 735: my ($r,$safeeval)=@_;
1.18 www 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;
1.71 www 749: my $tabledata;
750: unless ($ENV{'form.showcsv'}) {
751: $tabledata=
1.24 www 752: '<table border=2><tr><th colspan=2 rowspan=2><font size=+2>'.
1.18 www 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;
1.6 www 759: map {
1.18 www 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',
1.7 www 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');
1.71 www 771: $tabledata.='</tr>'.&rown($safeeval,'-').&rown($safeeval,0);
772: } else { $tabledata='<pre>'; }
773:
774: $r->print($tabledata);
775:
1.6 www 776: my $row;
777: my $maxrow=&getmaxrow($safeeval);
1.64 www 778:
1.65 www 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;
1.64 www 786:
1.63 www 787: my $what='Student';
788: if (&gettype($safeeval) eq 'assesscalc') {
789: $what='Item';
790: } elsif (&gettype($safeeval) eq 'studentcalc') {
791: $what='Assessment';
792: }
1.65 www 793:
794: my $n=0;
795: for ($row=0;$row<$maxrow;$row++) {
796: my $thisrow=&rown($safeeval,$sortidx[$row]+1);
797: if ($thisrow) {
1.71 www 798: if (($n/25==int($n/25)) && (!$ENV{'form.showcsv'})) {
1.65 www 799: $r->print("</table>\n<br>\n");
800: $r->rflush();
801: $r->print('<table border=2><tr><td> <td>'.$what.'</td>');
1.63 www 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: }
1.64 www 810: $n++;
811: $r->print($thisrow);
1.63 www 812: }
1.6 www 813: }
1.71 www 814: $r->print($ENV{'form.showcsv'}?'</pre>':'</table>');
1.6 www 815: }
816:
1.27 www 817: #
1.55 www 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: #
1.27 www 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);
1.28 www 848: my $cdom=&getcdom($safeeval);
849: my $chome=&getchome($safeeval);
1.27 www 850:
851: # --------- There is no filename. Look for defaults in course and global, cache
852:
853: unless($fn) {
1.28 www 854: unless ($fn=$defaultsheets{$cnum.'_'.$cdom.'_'.$stype}) {
855: $fn=&Apache::lonnet::reply('get:'.$cdom.':'.$cnum.
856: ':environment:spreadsheet_default_'.$stype,
857: $chome);
1.27 www 858: unless (($fn) && ($fn!~/^error\:/)) {
859: $fn='default_'.$stype;
860: }
1.28 www 861: $defaultsheets{$cnum.'_'.$cdom.'_'.$stype}=$fn;
1.27 www 862: }
863: }
864:
865: # ---------------------------------------------------------- fn now has a value
866:
867: &setfilename($safeeval,$fn);
868:
869: # ------------------------------------------------------ see if sheet is cached
870: my $fstring='';
1.28 www 871: if ($fstring=$spreadsheets{$cnum.'_'.$cdom.'_'.$stype.'_'.$fn}) {
872: &setformulas($safeeval,split(/\_\_\_\;\_\_\_/,$fstring));
1.27 www 873: } else {
1.6 www 874:
1.27 www 875: # ---------------------------------------------------- Not cached, need to read
1.5 www 876:
1.27 www 877: my %f=();
1.3 www 878:
1.27 www 879: if ($fn=~/^default\_/) {
1.19 www 880: my $sheetxml='';
1.10 www 881: {
882: my $fh;
1.73 ! www 883: my $dfn=$fn;
! 884: $dfn=~s/\_/\./g;
! 885: if ($fh=Apache::File->new($includedir.'/'.$dfn)) {
1.19 www 886: $sheetxml=join('',<$fh>);
1.73 ! www 887: } else {
! 888: $sheetxml='<field row="0" col="A">"Error"</field>';
! 889: }
1.19 www 890: }
1.27 www 891: my $parser=HTML::TokeParser->new(\$sheetxml);
892: my $token;
893: while ($token=$parser->get_token) {
1.19 www 894: if ($token->[0] eq 'S') {
895: if ($token->[1] eq 'field') {
896: $f{$token->[2]->{'col'}.$token->[2]->{'row'}}=
897: $parser->get_text('/field');
898: }
1.20 www 899: if ($token->[1] eq 'template') {
900: $f{'template_'.$token->[2]->{'col'}}=
901: $parser->get_text('/template');
902: }
1.19 www 903: }
1.27 www 904: }
905: } else {
1.28 www 906: my $sheet='';
907: my $reply=&Apache::lonnet::reply('dump:'.$cdom.':'.$cnum.':'.$fn,
908: $chome);
1.19 www 909: unless ($reply=~/^error\:/) {
1.27 www 910: $sheet=$reply;
911: }
912: map {
913: my ($name,$value)=split(/\=/,$_);
914: $f{&Apache::lonnet::unescape($name)}=
915: &Apache::lonnet::unescape($value);
916: } split(/\&/,$sheet);
1.10 www 917: }
1.27 www 918: # --------------------------------------------------------------- Cache and set
1.28 www 919: $spreadsheets{$cnum.'_'.$cdom.'_'.$stype.'_'.$fn}=join('___;___',%f);
1.27 www 920: &setformulas($safeeval,%f);
1.3 www 921: }
922: }
923:
1.28 www 924: # -------------------------------------------------------- Make new spreadsheet
925:
926: sub makenewsheet {
927: my ($uname,$udom,$stype,$usymb)=@_;
1.36 www 928: my $safeeval=initsheet($stype);
1.28 www 929: $safeeval->reval(
1.29 www 930: '$uname="'.$uname.
931: '";$udom="'.$udom.
932: '";$uhome="'.&Apache::lonnet::homeserver($uname,$udom).
933: '";$sheettype="'.$stype.
934: '";$usymb="'.$usymb.
1.30 www 935: '";$csec="'.&Apache::lonnet::usection($udom,$uname,
936: $ENV{'request.course.id'}).
1.29 www 937: '";$cid="'.$ENV{'request.course.id'}.
938: '";$cfn="'.$ENV{'request.course.fn'}.
939: '";$cnum="'.$ENV{'course.'.$ENV{'request.course.id'}.'.num'}.
940: '";$cdom="'.$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.
941: '";$chome="'.$ENV{'course.'.$ENV{'request.course.id'}.'.home'}.'";');
1.28 www 942: return $safeeval;
943: }
944:
1.19 www 945: # ------------------------------------------------------------ Save spreadsheet
946:
947: sub writesheet {
1.28 www 948: my ($safeeval,$makedef)=@_;
949: my $cid=&getcid($safeeval);
950: if (&Apache::lonnet::allowed('opa',$cid)) {
1.19 www 951: my %f=&getformulas($safeeval);
1.28 www 952: my $stype=&gettype($safeeval);
953: my $cnum=&getcnum($safeeval);
954: my $cdom=&getcdom($safeeval);
955: my $chome=&getchome($safeeval);
956: my $fn=&getfilename($safeeval);
957:
958: # ------------------------------------------------------------- Cache new sheet
959: $spreadsheets{$cnum.'_'.$cdom.'_'.$stype.'_'.$fn}=join('___;___',%f);
960: # ----------------------------------------------------------------- Write sheet
1.19 www 961: my $sheetdata='';
962: map {
1.56 www 963: unless ($f{$_} eq 'import') {
1.19 www 964: $sheetdata.=&Apache::lonnet::escape($_).'='.
965: &Apache::lonnet::escape($f{$_}).'&';
1.56 www 966: }
1.19 www 967: } keys %f;
968: $sheetdata=~s/\&$//;
1.28 www 969: my $reply=&Apache::lonnet::reply('put:'.$cdom.':'.$cnum.':'.$fn.':'.
970: $sheetdata,$chome);
1.22 www 971: if ($reply eq 'ok') {
1.28 www 972: $reply=&Apache::lonnet::reply('put:'.$cdom.':'.$cnum.':'.
1.30 www 973: $stype.'_spreadsheets:'.
1.55 www 974: &Apache::lonnet::escape($fn).'='.$ENV{'user.name'}.'@'.
975: $ENV{'user.domain'},
1.28 www 976: $chome);
977: if ($reply eq 'ok') {
978: if ($makedef) {
979: return &Apache::lonnet::reply('put:'.$cdom.':'.$cnum.
980: ':environment:spreadsheet_default_'.$stype.'='.
981: &Apache::lonnet::escape($fn),
982: $chome);
983: } else {
984: return $reply;
985: }
986: } else {
987: return $reply;
988: }
1.22 www 989: } else {
990: return $reply;
991: }
992: }
993: return 'unauthorized';
1.19 www 994: }
995:
1.10 www 996: # ----------------------------------------------- Make a temp copy of the sheet
1.28 www 997: # "Modified workcopy" - interactive only
998: #
1.10 www 999:
1000: sub tmpwrite {
1.28 www 1001: my $safeeval=shift;
1002: my $fn=$ENV{'user.name'}.'_'.
1003: $ENV{'user.domain'}.'_spreadsheet_'.&getusymb($safeeval).'_'.
1004: &getfilename($safeeval);
1.10 www 1005: $fn=~s/\W/\_/g;
1006: $fn=$tmpdir.$fn.'.tmp';
1007: my $fh;
1008: if ($fh=Apache::File->new('>'.$fn)) {
1009: print $fh join("\n",&getformulas($safeeval));
1010: }
1011: }
1012:
1013: # ---------------------------------------------------------- Read the temp copy
1014:
1015: sub tmpread {
1.28 www 1016: my ($safeeval,$nfield,$nform)=@_;
1017: my $fn=$ENV{'user.name'}.'_'.
1018: $ENV{'user.domain'}.'_spreadsheet_'.&getusymb($safeeval).'_'.
1019: &getfilename($safeeval);
1.10 www 1020: $fn=~s/\W/\_/g;
1021: $fn=$tmpdir.$fn.'.tmp';
1022: my $fh;
1023: my %fo=();
1024: if ($fh=Apache::File->new($fn)) {
1025: my $name;
1026: while ($name=<$fh>) {
1027: chomp($name);
1028: my $value=<$fh>;
1029: chomp($value);
1030: $fo{$name}=$value;
1031: }
1032: }
1.55 www 1033: if ($nform eq 'changesheet') {
1.57 www 1034: $fo{'A'.$nfield}=(split(/\_\_\&\&\&\_\_/,$fo{'A'.$nfield}))[0];
1.55 www 1035: unless ($ENV{'form.sel_'.$nfield} eq 'Default') {
1.57 www 1036: $fo{'A'.$nfield}.='__&&&__'.$ENV{'form.sel_'.$nfield};
1.55 www 1037: }
1038: } else {
1039: if ($nfield) { $fo{$nfield}=$nform; }
1040: }
1.10 www 1041: &setformulas($safeeval,%fo);
1042: }
1043:
1.11 www 1044: # ================================================================== Parameters
1045: # -------------------------------------------- Figure out a cascading parameter
1.28 www 1046: #
1.29 www 1047: # For this function to work
1048: #
1049: # * parmhash needs to be tied
1050: # * courseopt and useropt need to be initialized for this user and course
1051: #
1.11 www 1052:
1053: sub parmval {
1.28 www 1054: my ($what,$safeeval)=@_;
1055: my $cid=&getcid($safeeval);
1056: my $csec=&getcsec($safeeval);
1057: my $uname=&getuname($safeeval);
1058: my $udom=&getudom($safeeval);
1059: my $symb=&getusymb($safeeval);
1.11 www 1060:
1061: unless ($symb) { return ''; }
1062: my $result='';
1063:
1064: my ($mapname,$id,$fn)=split(/\_\_\_/,$symb);
1065: # ----------------------------------------------------- Cascading lookup scheme
1.12 www 1066: my $rwhat=$what;
1067: $what=~s/^parameter\_//;
1.68 www 1068: $what=~s/\_([^\_]+)$/\.$1/;
1.11 www 1069:
1070: my $symbparm=$symb.'.'.$what;
1071: my $mapparm=$mapname.'___(all).'.$what;
1.29 www 1072: my $usercourseprefix=$uname.'_'.$udom.'_'.$cid;
1.11 www 1073:
1074: my $seclevel=
1.28 www 1075: $usercourseprefix.'.['.
1.11 www 1076: $csec.'].'.$what;
1077: my $seclevelr=
1.28 www 1078: $usercourseprefix.'.['.
1.11 www 1079: $csec.'].'.$symbparm;
1080: my $seclevelm=
1.28 www 1081: $usercourseprefix.'.['.
1.11 www 1082: $csec.'].'.$mapparm;
1083:
1084: my $courselevel=
1.28 www 1085: $usercourseprefix.'.'.$what;
1.11 www 1086: my $courselevelr=
1.28 www 1087: $usercourseprefix.'.'.$symbparm;
1.11 www 1088: my $courselevelm=
1.28 www 1089: $usercourseprefix.'.'.$mapparm;
1.12 www 1090:
1.11 www 1091: # ---------------------------------------------------------- fourth, check user
1092:
1093: if ($uname) {
1094:
1095: if ($useropt{$courselevelr}) { return $useropt{$courselevelr}; }
1096:
1097: if ($useropt{$courselevelm}) { return $useropt{$courselevelm}; }
1098:
1099: if ($useropt{$courselevel}) { return $useropt{$courselevel}; }
1100:
1101: }
1102:
1103: # --------------------------------------------------------- third, check course
1104:
1105: if ($csec) {
1106:
1107: if ($courseopt{$seclevelr}) { return $courseopt{$seclevelr}; }
1108:
1109: if ($courseopt{$seclevelm}) { return $courseopt{$seclevelm}; }
1110:
1111: if ($courseopt{$seclevel}) { return $courseopt{$seclevel}; }
1112:
1113: }
1114:
1115: if ($courseopt{$courselevelr}) { return $courseopt{$courselevelr}; }
1116:
1117: if ($courseopt{$courselevelm}) { return $courseopt{$courselevelm}; }
1118:
1119: if ($courseopt{$courselevel}) { return $courseopt{$courselevel}; }
1120:
1121: # ----------------------------------------------------- second, check map parms
1122:
1123: my $thisparm=$parmhash{$symbparm};
1124: if ($thisparm) { return $thisparm; }
1125:
1126: # -------------------------------------------------------- first, check default
1127:
1.12 www 1128: return &Apache::lonnet::metadata($fn,$rwhat.'.default');
1.11 www 1129:
1130: }
1131:
1.23 www 1132: # ---------------------------------------------- Update rows for course listing
1.11 www 1133:
1.28 www 1134: sub updateclasssheet {
1.23 www 1135: my $safeeval=shift;
1.28 www 1136: my $cnum=&getcnum($safeeval);
1137: my $cdom=&getcdom($safeeval);
1138: my $cid=&getcid($safeeval);
1139: my $chome=&getchome($safeeval);
1140:
1141: # ---------------------------------------------- Read class list and row labels
1142:
1.23 www 1143: my $classlst=&Apache::lonnet::reply
1.28 www 1144: ('dump:'.$cdom.':'.$cnum.':classlist',$chome);
1.23 www 1145: my %currentlist=();
1146: my $now=time;
1147: unless ($classlst=~/^error\:/) {
1148: map {
1149: my ($name,$value)=split(/\=/,$_);
1.24 www 1150: my ($end,$start)=split(/\:/,&Apache::lonnet::unescape($value));
1.23 www 1151: my $active=1;
1152: if (($end) && ($now>$end)) { $active=0; }
1153: if ($active) {
1.24 www 1154: my $rowlabel='';
1155: $name=&Apache::lonnet::unescape($name);
1.28 www 1156: my ($sname,$sdom)=split(/\:/,$name);
1157: my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);
1158: if ($ssec==-1) {
1.71 www 1159: unless ($ENV{'form.showcsv'}) {
1.24 www 1160: $rowlabel='<font color=red>Data not available: '.$name.
1161: '</font>';
1.71 www 1162: } else {
1163: $rowlabel='ERROR","'.$name.
1164: '","Data not available","","","';
1165: }
1.24 www 1166: } else {
1.28 www 1167: my %reply=&Apache::lonnet::idrget($sdom,$sname);
1168: my $reply=&Apache::lonnet::reply('get:'.$sdom.':'.$sname.
1.24 www 1169: ':environment:firstname&middlename&lastname&generation',
1.28 www 1170: &Apache::lonnet::homeserver($sname,$sdom));
1.71 www 1171: unless ($ENV{'form.showcsv'}) {
1.45 www 1172: $rowlabel='<a href="/adm/studentcalc?uname='.$sname.
1173: '&udom='.$sdom.'">'.
1174: $ssec.' '.$reply{$sname}.'<br>';
1.24 www 1175: map {
1176: $rowlabel.=&Apache::lonnet::unescape($_).' ';
1177: } split(/\&/,$reply);
1.45 www 1178: $rowlabel.='</a>';
1.71 www 1179: } else {
1180: $rowlabel=$ssec.'","'.$reply{$sname}.'"';
1181: my $ncount=0;
1182: map {
1183: $rowlabel.=',"'.&Apache::lonnet::unescape($_).'"';
1184: $ncount++;
1185: } split(/\&/,$reply);
1186: unless ($ncount==4) { $rowlabel.=',""'; }
1187: $rowlabel=~s/\"$//;
1188: }
1.24 www 1189: }
1190: $currentlist{&Apache::lonnet::unescape($name)}=$rowlabel;
1.23 www 1191: }
1192: } split(/\&/,$classlst);
1193: #
1194: # -------------------- Find discrepancies between the course row table and this
1195: #
1196: my %f=&getformulas($safeeval);
1197: my $changed=0;
1198:
1199: my $maxrow=0;
1200: my %existing=();
1201:
1202: # ----------------------------------------------------------- Now obsolete rows
1203: map {
1204: if ($_=~/^A(\d+)/) {
1205: $maxrow=($1>$maxrow)?$1:$maxrow;
1206: $existing{$f{$_}}=1;
1207: unless ((defined($currentlist{$f{$_}})) || (!$1)) {
1208: $f{$_}='!!! Obsolete';
1209: $changed=1;
1210: }
1211: }
1212: } keys %f;
1213:
1214: # -------------------------------------------------------- New and unknown keys
1215:
1216: map {
1217: unless ($existing{$_}) {
1218: $changed=1;
1219: $maxrow++;
1220: $f{'A'.$maxrow}=$_;
1221: }
1.24 www 1222: } sort keys %currentlist;
1.23 www 1223:
1224: if ($changed) { &setformulas($safeeval,%f); }
1225:
1226: &setmaxrow($safeeval,$maxrow);
1227: &setrowlabels($safeeval,%currentlist);
1228:
1229: } else {
1230: return 'Could not access course data';
1231: }
1232: }
1.5 www 1233:
1.28 www 1234: # ----------------------------------- Update rows for student and assess sheets
1235:
1236: sub updatestudentassesssheet {
1.5 www 1237: my $safeeval=shift;
1238: my %bighash;
1.35 www 1239: my $stype=&gettype($safeeval);
1240: my %current=();
1241: unless ($updatedata{$ENV{'request.course.fn'}.'_'.$stype}) {
1.5 www 1242: # -------------------------------------------------------------------- Tie hash
1243: if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db',
1244: &GDBM_READER,0640)) {
1245: # --------------------------------------------------------- Get all assessments
1246:
1.52 www 1247: my %allkeys=('timestamp' =>
1248: 'Timestamp of Last Transaction<br>timestamp');
1.5 www 1249:
1.50 www 1250: my $adduserstr='';
1251: if ((&getuname($safeeval) ne $ENV{'user.name'}) ||
1252: (&getudom($safeeval) ne $ENV{'user.domain'})) {
1253: $adduserstr='&uname='.&getuname($safeeval).
1254: '&udom='.&getudom($safeeval);
1255: }
1256:
1.72 www 1257: my %allassess=('_feedback' =>
1258: '<a href="/adm/assesscalc?usymb=_feedback'.$adduserstr.
1259: '">Feedback</a>',
1260: '_evaluation' =>
1261: '<a href="/adm/assesscalc?usymb=_evaluation'.$adduserstr.
1262: '">Evaluation</a>',
1263: '_tutoring' =>
1264: '<a href="/adm/assesscalc?usymb=_tutoring'.$adduserstr.
1265: '">Tutoring</a>'
1266: );
1267:
1.5 www 1268: map {
1269: if ($_=~/^src\_(\d+)\.(\d+)$/) {
1270: my $mapid=$1;
1271: my $resid=$2;
1272: my $id=$mapid.'.'.$resid;
1273: my $srcf=$bighash{$_};
1274: if ($srcf=~/\.(problem|exam|quiz|assess|survey|form)$/) {
1275: my $symb=
1276: &Apache::lonnet::declutter($bighash{'map_id_'.$mapid}).
1277: '___'.$resid.'___'.
1278: &Apache::lonnet::declutter($srcf);
1.38 www 1279: $allassess{$symb}=
1.50 www 1280: '<a href="/adm/assesscalc?usymb='.$symb.$adduserstr.'">'.
1281: $bighash{'title_'.$id}.'</a>';
1.6 www 1282: if ($stype eq 'assesscalc') {
1.5 www 1283: map {
1.11 www 1284: if (($_=~/^stores\_(.*)/) || ($_=~/^parameter\_(.*)/)) {
1.5 www 1285: my $key=$_;
1286: my $display=
1287: &Apache::lonnet::metadata($srcf,$key.'.display');
1288: unless ($display) {
1.40 www 1289: $display.=
1.5 www 1290: &Apache::lonnet::metadata($srcf,$key.'.name');
1291: }
1.40 www 1292: $display.='<br>'.$key;
1.5 www 1293: $allkeys{$key}=$display;
1294: }
1295: } split(/\,/,&Apache::lonnet::metadata($srcf,'keys'));
1296: }
1297: }
1298: }
1299: } keys %bighash;
1300: untie(%bighash);
1301:
1302: #
1.11 www 1303: # %allkeys has a list of storage and parameter displays by unikey
1.5 www 1304: # %allassess has a list of all resource displays by symb
1305: #
1.6 www 1306:
1307: if ($stype eq 'assesscalc') {
1308: %current=%allkeys;
1309: } elsif ($stype eq 'studentcalc') {
1310: %current=%allassess;
1311: }
1.35 www 1312: $updatedata{$ENV{'request.course.fn'}.'_'.$stype}=
1313: join('___;___',%current);
1314: } else {
1315: return 'Could not access course data';
1316: }
1317: # ------------------------------------------------------ Get current from cache
1318: } else {
1319: %current=split(/\_\_\_\;\_\_\_/,
1320: $updatedata{$ENV{'request.course.fn'}.'_'.$stype});
1321: }
1322: # -------------------- Find discrepancies between the course row table and this
1323: #
1324: my %f=&getformulas($safeeval);
1325: my $changed=0;
1.6 www 1326:
1327: my $maxrow=0;
1328: my %existing=();
1329:
1330: # ----------------------------------------------------------- Now obsolete rows
1.5 www 1331: map {
1.6 www 1332: if ($_=~/^A(\d+)/) {
1333: $maxrow=($1>$maxrow)?$1:$maxrow;
1.57 www 1334: my ($usy,$ufn)=split(/\_\_\&\&\&\_\_/,$f{$_});
1335: $existing{$usy}=1;
1336: unless ((defined($current{$usy})) || (!$1)) {
1.6 www 1337: $f{$_}='!!! Obsolete';
1338: $changed=1;
1.57 www 1339: } elsif ($ufn) {
1340: $current{$usy}
1341: =~s/assesscalc\?usymb\=/assesscalc\?ufn\=$ufn\&usymb\=/;
1.5 www 1342: }
1343: }
1344: } keys %f;
1.6 www 1345:
1346: # -------------------------------------------------------- New and unknown keys
1347:
1348: map {
1349: unless ($existing{$_}) {
1350: $changed=1;
1351: $maxrow++;
1352: $f{'A'.$maxrow}=$_;
1353: }
1354: } keys %current;
1.35 www 1355:
1.6 www 1356: if ($changed) { &setformulas($safeeval,%f); }
1357:
1358: &setmaxrow($safeeval,$maxrow);
1359: &setrowlabels($safeeval,%current);
1.35 www 1360:
1361: undef %current;
1362: undef %existing;
1.5 www 1363: }
1.3 www 1364:
1.24 www 1365: # ------------------------------------------------ Load data for one assessment
1.16 www 1366:
1.29 www 1367: sub loadstudent {
1.16 www 1368: my $safeeval=shift;
1369: my %c=();
1370: my %f=&getformulas($safeeval);
1.39 www 1371: $cachedassess=&getuname($safeeval).':'.&getudom($safeeval);
1372: %cachedstores=();
1373: {
1374: my $reply=&Apache::lonnet::reply('dump:'.&getudom($safeeval).':'.
1375: &getuname($safeeval).':'.
1376: &getcid($safeeval),
1377: &getuhome($safeeval));
1378: unless ($reply=~/^error\:/) {
1379: map {
1380: my ($name,$value)=split(/\=/,$_);
1381: $cachedstores{&Apache::lonnet::unescape($name)}=
1382: &Apache::lonnet::unescape($value);
1383: } split(/\&/,$reply);
1384: }
1385: }
1.36 www 1386: my @assessdata=();
1.16 www 1387: map {
1.17 www 1388: if ($_=~/^A(\d+)/) {
1389: my $row=$1;
1.42 www 1390: unless (($f{$_}=~/^\!/) || ($row==0)) {
1.55 www 1391: my ($usy,$ufn)=split(/\_\_\&\&\&\_\_/,$f{$_});
1.36 www 1392: @assessdata=&exportsheet(&getuname($safeeval),
1393: &getudom($safeeval),
1.55 www 1394: 'assesscalc',$usy,$ufn);
1.17 www 1395: my $index=0;
1.30 www 1396: map {
1397: if ($assessdata[$index]) {
1.41 www 1398: my $col=$_;
1399: if ($assessdata[$index]=~/\D/) {
1400: $c{$col.$row}="'".$assessdata[$index]."'";
1401: } else {
1402: $c{$col.$row}=$assessdata[$index];
1403: }
1404: unless ($col eq 'A') {
1405: $f{$col.$row}='import';
1.30 www 1406: }
1407: }
1408: $index++;
1409: } ('A','B','C','D','E','F','G','H','I','J','K','L','M',
1410: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z');
1.16 www 1411: }
1412: }
1413: } keys %f;
1.39 www 1414: $cachedassess='';
1415: undef %cachedstores;
1.18 www 1416: &setformulas($safeeval,%f);
1.16 www 1417: &setconstants($safeeval,%c);
1418: }
1419:
1.24 www 1420: # --------------------------------------------------- Load data for one student
1421:
1.30 www 1422: sub loadcourse {
1.37 www 1423: my ($safeeval,$r)=@_;
1.24 www 1424: my %c=();
1425: my %f=&getformulas($safeeval);
1.37 www 1426: my $total=0;
1427: map {
1428: if ($_=~/^A(\d+)/) {
1429: unless ($f{$_}=~/^\!/) { $total++; }
1430: }
1431: } keys %f;
1432: my $now=0;
1433: my $since=time;
1.39 www 1434: $r->print(<<ENDPOP);
1435: <script>
1436: popwin=open('','popwin','width=400,height=100');
1437: popwin.document.writeln('<html><body bgcolor="#FFFFFF">'+
1.50 www 1438: '<h3>Spreadsheet Calculation Progress</h3>'+
1.39 www 1439: '<form name=popremain>'+
1440: '<input type=text size=35 name=remaining value=Starting></form>'+
1441: '</body></html>');
1.42 www 1442: popwin.document.close();
1.39 www 1443: </script>
1444: ENDPOP
1.37 www 1445: $r->rflush();
1.24 www 1446: map {
1447: if ($_=~/^A(\d+)/) {
1448: my $row=$1;
1.42 www 1449: unless (($f{$_}=~/^\!/) || ($row==0)) {
1.37 www 1450: my @studentdata=&exportsheet(split(/\:/,$f{$_}),
1.30 www 1451: 'studentcalc');
1.37 www 1452: undef %userrdatas;
1453: $now++;
1.39 www 1454: $r->print('<script>popwin.document.popremain.remaining.value="'.
1.37 www 1455: $now.'/'.$total.': '.int((time-$since)/$now*($total-$now)).
1.39 www 1456: ' secs remaining";</script>');
1.37 www 1457: $r->rflush();
1458:
1.24 www 1459: my $index=0;
1.30 www 1460: map {
1461: if ($studentdata[$index]) {
1.41 www 1462: my $col=$_;
1463: if ($studentdata[$index]=~/\D/) {
1464: $c{$col.$row}="'".$studentdata[$index]."'";
1465: } else {
1466: $c{$col.$row}=$studentdata[$index];
1467: }
1468: unless ($col eq 'A') {
1469: $f{$col.$row}='import';
1.30 www 1470: }
1471: }
1472: $index++;
1473: } ('A','B','C','D','E','F','G','H','I','J','K','L','M',
1474: 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z');
1.24 www 1475: }
1476: }
1477: } keys %f;
1478: &setformulas($safeeval,%f);
1479: &setconstants($safeeval,%c);
1.43 www 1480: $r->print('<script>popwin.close()</script>');
1.37 www 1481: $r->rflush();
1.24 www 1482: }
1483:
1.6 www 1484: # ------------------------------------------------ Load data for one assessment
1485:
1.29 www 1486: sub loadassessment {
1487: my $safeeval=shift;
1488:
1489: my $uhome=&getuhome($safeeval);
1490: my $uname=&getuname($safeeval);
1491: my $udom=&getudom($safeeval);
1492: my $symb=&getusymb($safeeval);
1493: my $cid=&getcid($safeeval);
1494: my $cnum=&getcnum($safeeval);
1495: my $cdom=&getcdom($safeeval);
1496: my $chome=&getchome($safeeval);
1497:
1.6 www 1498: my $namespace;
1.29 www 1499: unless ($namespace=$cid) { return ''; }
1.11 www 1500:
1501: # ----------------------------------------------------------- Get stored values
1.39 www 1502:
1503: my %returnhash=();
1504:
1505: if ($cachedassess eq $uname.':'.$udom) {
1506: #
1507: # get data out of the dumped stores
1508: #
1509:
1510: my $version=$cachedstores{'version:'.$symb};
1511: my $scope;
1512: for ($scope=1;$scope<=$version;$scope++) {
1513: map {
1514: $returnhash{$_}=$cachedstores{$scope.':'.$symb.':'.$_};
1515: } split(/\:/,$cachedstores{$scope.':keys:'.$symb});
1516: }
1517:
1518: } else {
1519: #
1520: # restore individual
1521: #
1522:
1.11 www 1523: my $answer=&Apache::lonnet::reply(
1.15 www 1524: "restore:$udom:$uname:".
1525: &Apache::lonnet::escape($namespace).":".
1526: &Apache::lonnet::escape($symb),$uhome);
1.6 www 1527: map {
1528: my ($name,$value)=split(/\=/,$_);
1.11 www 1529: $returnhash{&Apache::lonnet::unescape($name)}=
1530: &Apache::lonnet::unescape($value);
1.6 www 1531: } split(/\&/,$answer);
1532: my $version;
1533: for ($version=1;$version<=$returnhash{'version'};$version++) {
1534: map {
1535: $returnhash{$_}=$returnhash{$version.':'.$_};
1536: } split(/\:/,$returnhash{$version.':keys'});
1537: }
1.39 www 1538: }
1.11 www 1539: # ----------------------------- returnhash now has all stores for this resource
1540:
1541: # ---------------------------- initialize coursedata and userdata for this user
1.31 www 1542: undef %courseopt;
1543: undef %useropt;
1.29 www 1544:
1545: my $userprefix=$uname.'_'.$udom.'_';
1546:
1.11 www 1547: unless ($uhome eq 'no_host') {
1548: # -------------------------------------------------------------- Get coursedata
1.13 www 1549: unless
1.32 www 1550: ((time-$courserdatas{$cid.'.last_cache'})<240) {
1.29 www 1551: my $reply=&Apache::lonnet::reply('dump:'.$cdom.':'.$cnum.
1552: ':resourcedata',$chome);
1.11 www 1553: if ($reply!~/^error\:/) {
1.29 www 1554: $courserdatas{$cid}=$reply;
1555: $courserdatas{$cid.'.last_cache'}=time;
1.11 www 1556: }
1557: }
1558: map {
1559: my ($name,$value)=split(/\=/,$_);
1.29 www 1560: $courseopt{$userprefix.&Apache::lonnet::unescape($name)}=
1.11 www 1561: &Apache::lonnet::unescape($value);
1.36 www 1562: } split(/\&/,$courserdatas{$cid});
1.11 www 1563: # --------------------------------------------------- Get userdata (if present)
1.13 www 1564: unless
1.32 www 1565: ((time-$userrdatas{$uname.'___'.$udom.'.last_cache'})<240) {
1.11 www 1566: my $reply=
1567: &Apache::lonnet::reply('dump:'.$udom.':'.$uname.':resourcedata',$uhome);
1568: if ($reply!~/^error\:/) {
1569: $userrdatas{$uname.'___'.$udom}=$reply;
1.13 www 1570: $userrdatas{$uname.'___'.$udom.'.last_cache'}=time;
1.11 www 1571: }
1572: }
1573: map {
1574: my ($name,$value)=split(/\=/,$_);
1.29 www 1575: $useropt{$userprefix.&Apache::lonnet::unescape($name)}=
1.15 www 1576: &Apache::lonnet::unescape($value);
1.11 www 1577: } split(/\&/,$userrdatas{$uname.'___'.$udom});
1.29 www 1578: }
1579: # ----------------- now courseopt, useropt initialized for this user and course
1580: # (used by parmval)
1581:
1.60 www 1582: #
1583: # Load keys for this assessment only
1584: #
1585: my %thisassess=();
1586: my ($symap,$syid,$srcf)=split(/\_\_\_/,$symb);
1587:
1588: map {
1589: $thisassess{$_}=1;
1590: } split(/\,/,&Apache::lonnet::metadata($srcf,'keys'));
1591: #
1592: # Load parameters
1593: #
1.29 www 1594: my %c=();
1.6 www 1595:
1.29 www 1596: if (tie(%parmhash,'GDBM_File',
1597: &getcfn($safeeval).'_parms.db',&GDBM_READER,0640)) {
1.6 www 1598: my %f=&getformulas($safeeval);
1599: map {
1600: if ($_=~/^A/) {
1601: unless ($f{$_}=~/^\!/) {
1.11 www 1602: if ($f{$_}=~/^parameter/) {
1.60 www 1603: if ($thisassess{$f{$_}}) {
1.40 www 1604: my $val=&parmval($f{$_},$safeeval);
1605: $c{$_}=$val;
1606: $c{$f{$_}}=$val;
1.60 www 1607: }
1.11 www 1608: } else {
1.15 www 1609: my $key=$f{$_};
1.40 www 1610: my $ckey=$key;
1.15 www 1611: $key=~s/^stores\_/resource\./;
1.70 www 1612: $key=~s/\_/\./g;
1.15 www 1613: $c{$_}=$returnhash{$key};
1.40 www 1614: $c{$ckey}=$returnhash{$key};
1.11 www 1615: }
1616: }
1.6 www 1617: }
1618: } keys %f;
1.29 www 1619: untie(%parmhash);
1620: }
1621: &setconstants($safeeval,%c);
1.6 www 1622: }
1623:
1.10 www 1624: # --------------------------------------------------------- Various form fields
1625:
1626: sub textfield {
1627: my ($title,$name,$value)=@_;
1628: return "\n<p><b>$title:</b><br>".
1629: '<input type=text name="'.$name.'" size=80 value="'.$value.'">';
1630: }
1631:
1632: sub hiddenfield {
1633: my ($name,$value)=@_;
1634: return "\n".'<input type=hidden name="'.$name.'" value="'.$value.'">';
1635: }
1636:
1637: sub selectbox {
1638: my ($title,$name,$value,%options)=@_;
1639: my $selout="\n<p><b>$title:</b><br>".'<select name="'.$name.'">';
1640: map {
1641: $selout.='<option value="'.$_.'"';
1642: if ($_ eq $value) { $selout.=' selected'; }
1643: $selout.='>'.$options{$_}.'</option>';
1644: } sort keys %options;
1645: return $selout.'</select>';
1646: }
1647:
1.28 www 1648: # =============================================== Update information in a sheet
1649: #
1650: # Add new users or assessments, etc.
1651: #
1652:
1653: sub updatesheet {
1654: my $safeeval=shift;
1655: my $stype=&gettype($safeeval);
1656: if ($stype eq 'classcalc') {
1657: return &updateclasssheet($safeeval);
1658: } else {
1659: return &updatestudentassesssheet($safeeval);
1660: }
1661: }
1662:
1663: # =================================================== Load the rows for a sheet
1664: #
1665: # Import the data for rows
1666: #
1667:
1.37 www 1668: sub loadrows {
1669: my ($safeeval,$r)=@_;
1.28 www 1670: my $stype=&gettype($safeeval);
1671: if ($stype eq 'classcalc') {
1.37 www 1672: &loadcourse($safeeval,$r);
1.28 www 1673: } elsif ($stype eq 'studentcalc') {
1.29 www 1674: &loadstudent($safeeval);
1.28 www 1675: } else {
1.29 www 1676: &loadassessment($safeeval);
1.28 www 1677: }
1678: }
1679:
1.47 www 1680: # ======================================================= Forced recalculation?
1681:
1682: sub checkthis {
1683: my ($keyname,$time)=@_;
1684: return ($time<$expiredates{$keyname});
1685: }
1686: sub forcedrecalc {
1687: my ($uname,$udom,$stype,$usymb)=@_;
1688: my $key=$uname.':'.$udom.':'.$stype.':'.$usymb;
1689: my $time=$oldsheets{$key.'.time'};
1.53 www 1690: if ($ENV{'form.forcerecalc'}) { return 1; }
1.47 www 1691: unless ($time) { return 1; }
1692: if ($stype eq 'assesscalc') {
1693: my $map=(split(/\_\_\_/,$usymb))[0];
1694: if (&checkthis('::assesscalc:',$time) ||
1695: &checkthis('::assesscalc:'.$map,$time) ||
1696: &checkthis('::assesscalc:'.$usymb,$time) ||
1.49 www 1697: &checkthis($uname.':'.$udom.':assesscalc:',$time) ||
1698: &checkthis($uname.':'.$udom.':assesscalc:'.$map,$time) ||
1699: &checkthis($uname.':'.$udom.':assesscalc:'.$usymb,$time)) {
1.47 www 1700: return 1;
1701: }
1702: } else {
1703: if (&checkthis('::studentcalc:',$time) ||
1.51 www 1704: &checkthis($uname.':'.$udom.':studentcalc:',$time)) {
1.47 www 1705: return 1;
1706: }
1707: }
1708: return 0;
1709: }
1710:
1.28 www 1711: # ============================================================== Export handler
1712: #
1713: # Non-interactive call from with program
1714: #
1715:
1716: sub exportsheet {
1.44 www 1717: my ($uname,$udom,$stype,$usymb,$fn)=@_;
1718: my @exportarr=();
1719: #
1720: # Check if cached
1721: #
1.46 www 1722:
1.44 www 1723: my $key=$uname.':'.$udom.':'.$stype.':'.$usymb;
1724: my $found='';
1725:
1726: if ($oldsheets{$key}) {
1727: map {
1728: my ($name,$value)=split(/\_\_\_\=\_\_\_/,$_);
1729: if ($name eq $fn) {
1730: $found=$value;
1731: }
1732: } split(/\_\_\_\&\_\_\_/,$oldsheets{$key});
1733: }
1734:
1.46 www 1735: unless ($found) {
1736: &cachedssheets($uname,$udom,&Apache::lonnet::homeserver($uname,$udom));
1737: if ($oldsheets{$key}) {
1738: map {
1739: my ($name,$value)=split(/\_\_\_\=\_\_\_/,$_);
1740: if ($name eq $fn) {
1741: $found=$value;
1742: }
1743: } split(/\_\_\_\&\_\_\_/,$oldsheets{$key});
1744: }
1745: }
1.47 www 1746: #
1747: # Check if still valid
1748: #
1749: if ($found) {
1750: if (&forcedrecalc($uname,$udom,$stype,$usymb)) {
1751: $found='';
1752: }
1753: }
1754:
1.44 www 1755: if ($found) {
1756: #
1757: # Return what was cached
1758: #
1759: @exportarr=split(/\_\_\_\;\_\_\_/,$found);
1760:
1761: } else {
1762: #
1763: # Not cached
1.46 www 1764: #
1765:
1.29 www 1766: my $thissheet=&makenewsheet($uname,$udom,$stype,$usymb);
1.28 www 1767: &readsheet($thissheet,$fn);
1768: &updatesheet($thissheet);
1769: &loadrows($thissheet);
1.44 www 1770: &calcsheet($thissheet);
1771: @exportarr=&exportdata($thissheet);
1772: #
1773: # Store now
1774: #
1775: my $cid=$ENV{'request.course.id'};
1.47 www 1776: my $current='';
1.46 www 1777: if ($stype eq 'studentcalc') {
1778: $current=&Apache::lonnet::reply('get:'.
1.44 www 1779: $ENV{'course.'.$cid.'.domain'}.':'.
1780: $ENV{'course.'.$cid.'.num'}.
1781: ':nohist_calculatedsheets:'.
1782: &Apache::lonnet::escape($key),
1783: $ENV{'course.'.$cid.'.home'});
1.46 www 1784: } else {
1785: $current=&Apache::lonnet::reply('get:'.
1786: &getudom($thissheet).':'.
1787: &getuname($thissheet).
1788: ':nohist_calculatedsheets_'.
1789: $ENV{'request.course.id'}.':'.
1790: &Apache::lonnet::escape($key),
1791: &getuhome($thissheet));
1792:
1793: }
1.44 www 1794: my %currentlystored=();
1795: unless ($current=~/^error\:/) {
1796: map {
1797: my ($name,$value)=split(/\_\_\_\=\_\_\_/,$_);
1798: $currentlystored{$name}=$value;
1799: } split(/\_\_\_\&\_\_\_/,&Apache::lonnet::unescape($current));
1800: }
1801: $currentlystored{$fn}=join('___;___',@exportarr);
1802:
1803: my $newstore='';
1804: map {
1805: if ($newstore) { $newstore.='___&___'; }
1806: $newstore.=$_.'___=___'.$currentlystored{$_};
1807: } keys %currentlystored;
1.47 www 1808: my $now=time;
1.46 www 1809: if ($stype eq 'studentcalc') {
1810: &Apache::lonnet::reply('put:'.
1.44 www 1811: $ENV{'course.'.$cid.'.domain'}.':'.
1812: $ENV{'course.'.$cid.'.num'}.
1813: ':nohist_calculatedsheets:'.
1814: &Apache::lonnet::escape($key).'='.
1.47 www 1815: &Apache::lonnet::escape($newstore).'&'.
1816: &Apache::lonnet::escape($key).'.time='.$now,
1.44 www 1817: $ENV{'course.'.$cid.'.home'});
1.46 www 1818: } else {
1819: &Apache::lonnet::reply('put:'.
1820: &getudom($thissheet).':'.
1821: &getuname($thissheet).
1822: ':nohist_calculatedsheets_'.
1823: $ENV{'request.course.id'}.':'.
1824: &Apache::lonnet::escape($key).'='.
1.47 www 1825: &Apache::lonnet::escape($newstore).'&'.
1826: &Apache::lonnet::escape($key).'.time='.$now,
1.46 www 1827: &getuhome($thissheet));
1828: }
1.44 www 1829: }
1830: return @exportarr;
1831: }
1.48 www 1832: # ============================================================ Expiration Dates
1833: #
1834: # Load previously cached student spreadsheets for this course
1835: #
1836:
1837: sub expirationdates {
1838: undef %expiredates;
1839: my $cid=$ENV{'request.course.id'};
1840: my $reply=&Apache::lonnet::reply('dump:'.
1841: $ENV{'course.'.$cid.'.domain'}.':'.
1842: $ENV{'course.'.$cid.'.num'}.
1843: ':nohist_expirationdates',
1844: $ENV{'course.'.$cid.'.home'});
1845: unless ($reply=~/^error\:/) {
1846: map {
1847: my ($name,$value)=split(/\=/,$_);
1848: $expiredates{&Apache::lonnet::unescape($name)}
1849: =&Apache::lonnet::unescape($value);
1850: } split(/\&/,$reply);
1851: }
1852: }
1.44 www 1853:
1854: # ===================================================== Calculated sheets cache
1855: #
1.46 www 1856: # Load previously cached student spreadsheets for this course
1.44 www 1857: #
1858:
1.46 www 1859: sub cachedcsheets {
1.44 www 1860: my $cid=$ENV{'request.course.id'};
1861: my $reply=&Apache::lonnet::reply('dump:'.
1862: $ENV{'course.'.$cid.'.domain'}.':'.
1863: $ENV{'course.'.$cid.'.num'}.
1864: ':nohist_calculatedsheets',
1865: $ENV{'course.'.$cid.'.home'});
1866: unless ($reply=~/^error\:/) {
1867: map {
1868: my ($name,$value)=split(/\=/,$_);
1869: $oldsheets{&Apache::lonnet::unescape($name)}
1870: =&Apache::lonnet::unescape($value);
1871: } split(/\&/,$reply);
1872: }
1.28 www 1873: }
1874:
1.46 www 1875: # ===================================================== Calculated sheets cache
1876: #
1877: # Load previously cached assessment spreadsheets for this student
1878: #
1879:
1880: sub cachedssheets {
1881: my ($sname,$sdom,$shome)=@_;
1882: unless (($loadedcaches{$sname.'_'.$sdom}) || ($shome eq 'no_host')) {
1883: my $cid=$ENV{'request.course.id'};
1884: my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname.
1885: ':nohist_calculatedsheets_'.
1886: $ENV{'request.course.id'},
1887: $shome);
1888: unless ($reply=~/^error\:/) {
1889: map {
1890: my ($name,$value)=split(/\=/,$_);
1891: $oldsheets{&Apache::lonnet::unescape($name)}
1892: =&Apache::lonnet::unescape($value);
1893: } split(/\&/,$reply);
1894: }
1895: $loadedcaches{$sname.'_'.$sdom}=1;
1896: }
1897: }
1898:
1899: # ===================================================== Calculated sheets cache
1900: #
1901: # Load previously cached assessment spreadsheets for this student
1902: #
1903:
1.12 www 1904: # ================================================================ Main handler
1.28 www 1905: #
1906: # Interactive call to screen
1907: #
1908: #
1909:
1.3 www 1910:
1911: sub handler {
1.7 www 1912: my $r=shift;
1913:
1.28 www 1914: if ($r->header_only) {
1.7 www 1915: $r->content_type('text/html');
1916: $r->send_http_header;
1917: return OK;
1.28 www 1918: }
1919:
1920: # ---------------------------------------------------- Global directory configs
1921:
1.29 www 1922: $includedir=$r->dir_config('lonIncludes');
1.28 www 1923: $tmpdir=$r->dir_config('lonDaemons').'/tmp/';
1.3 www 1924:
1.7 www 1925: # ----------------------------------------------------- Needs to be in a course
1.3 www 1926:
1.29 www 1927: if ($ENV{'request.course.fn'}) {
1.10 www 1928:
1929: # --------------------------- Get query string for limited number of parameters
1.17 www 1930:
1.10 www 1931: map {
1932: my ($name, $value) = split(/=/,$_);
1933: $value =~ tr/+/ /;
1934: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1.19 www 1935: if (($name eq 'uname') || ($name eq 'udom') ||
1936: ($name eq 'usymb') || ($name eq 'ufn')) {
1.10 www 1937: unless ($ENV{'form.'.$name}) {
1938: $ENV{'form.'.$name}=$value;
1939: }
1940: }
1941: } (split(/&/,$ENV{'QUERY_STRING'}));
1.72 www 1942:
1943: if (($ENV{'form.usymb'}=~/^\_(\w+)/) && (!$ENV{'form.ufn'})) {
1944: $ENV{'form.ufn'}='default_'.$1;
1945: }
1.10 www 1946:
1.55 www 1947: # -------------------------------------- Interactive loading of specific sheet?
1948: if (($ENV{'form.load'}) && ($ENV{'form.loadthissheet'} ne 'Default')) {
1949: $ENV{'form.ufn'}=$ENV{'form.loadthissheet'};
1950: }
1.10 www 1951: # ------------------------------------------- Nothing there? Must be login user
1.29 www 1952:
1953: my $aname;
1954: my $adom;
1955:
1.10 www 1956: unless ($ENV{'form.uname'}) {
1.29 www 1957: $aname=$ENV{'user.name'};
1958: $adom=$ENV{'user.domain'};
1.11 www 1959: } else {
1.29 www 1960: $aname=$ENV{'form.uname'};
1961: $adom=$ENV{'form.udom'};
1.10 www 1962: }
1.14 www 1963:
1.10 www 1964: # ------------------------------------------------------------------- Open page
1965:
1.7 www 1966: $r->content_type('text/html');
1.11 www 1967: $r->header_out('Cache-control','no-cache');
1968: $r->header_out('Pragma','no-cache');
1.7 www 1969: $r->send_http_header;
1.3 www 1970:
1.14 www 1971: # --------------------------------------------------------------- Screen output
1972:
1.10 www 1973: $r->print('<html><head><title>LON-CAPA Spreadsheet</title>');
1974: $r->print(<<ENDSCRIPT);
1975: <script language="JavaScript">
1976:
1977: function celledit(cn,cf) {
1978: var cnf=prompt(cn,cf);
1979: if (cnf!=null) {
1980: document.sheet.unewfield.value=cn;
1981: document.sheet.unewformula.value=cnf;
1982: document.sheet.submit();
1983: }
1984: }
1985:
1.55 www 1986: function changesheet(cn) {
1987: document.sheet.unewfield.value=cn;
1988: document.sheet.unewformula.value='changesheet';
1989: document.sheet.submit();
1990: }
1991:
1.10 www 1992: </script>
1993: ENDSCRIPT
1994: $r->print('</head><body bgcolor="#FFFFFF">'.
1.21 www 1995: '<img align=right src=/adm/lonIcons/lonlogos.gif>'.
1996: '<h1>LON-CAPA Spreadsheet</h1>'.
1.10 www 1997: '<form action="'.$r->uri.'" name=sheet method=post>'.
1998: &hiddenfield('uname',$ENV{'form.uname'}).
1999: &hiddenfield('udom',$ENV{'form.udom'}).
2000: &hiddenfield('usymb',$ENV{'form.usymb'}).
2001: &hiddenfield('unewfield','').
2002: &hiddenfield('unewformula',''));
1.29 www 2003:
2004: # ---------------------- Make sure that this gets out, even if user hits "stop"
2005:
1.24 www 2006: $r->rflush();
1.29 www 2007:
1.54 www 2008: # ---------------------------------------------------------------- Full recalc?
2009:
2010:
2011: if ($ENV{'form.forcerecalc'}) {
2012: $r->print('<h4>Completely Recalculating Sheet ...</h4>');
2013: undef %spreadsheets;
2014: undef %courserdatas;
2015: undef %userrdatas;
2016: undef %defaultsheets;
2017: undef %updatedata;
2018: }
2019:
1.14 www 2020: # ---------------------------------------- Read new sheet or modified worksheet
2021:
1.19 www 2022: $r->uri=~/\/(\w+)$/;
1.14 www 2023:
1.29 www 2024: my $asheet=&makenewsheet($aname,$adom,$1,$ENV{'form.usymb'});
2025:
1.30 www 2026: # ------------------------ If a new formula had been entered, go from work copy
2027:
2028: if ($ENV{'form.unewfield'}) {
2029: $r->print('<h2>Modified Workcopy</h2>');
2030: $ENV{'form.unewformula'}=~s/\'/\"/g;
2031: $r->print('<p>New formula: '.$ENV{'form.unewfield'}.'='.
2032: $ENV{'form.unewformula'}.'<p>');
2033: &setfilename($asheet,$ENV{'form.ufn'});
2034: &tmpread($asheet,
2035: $ENV{'form.unewfield'},$ENV{'form.unewformula'});
2036:
2037: } elsif ($ENV{'form.saveas'}) {
2038: &setfilename($asheet,$ENV{'form.ufn'});
2039: &tmpread($asheet);
2040: } else {
2041: &readsheet($asheet,$ENV{'form.ufn'});
2042: }
2043:
2044: # -------------------------------------------------- Print out user information
2045:
2046: unless (&gettype($asheet) eq 'classcalc') {
2047: $r->print('<p><b>User:</b> '.&getuname($asheet).
2048: '<br><b>Domain:</b> '.&getudom($asheet));
2049: if (&getcsec($asheet) eq '-1') {
2050: $r->print('<h3><font color=red>'.
2051: 'Not a student in this course</font></h3>');
2052: } else {
2053: $r->print('<br><b>Section/Group:</b> '.&getcsec($asheet));
2054: }
2055: }
2056:
2057: # ---------------------------------------------------------------- Course title
2058:
2059: $r->print('<h1>'.
1.61 www 2060: $ENV{'course.'.$ENV{'request.course.id'}.'.description'}.
2061: '</h1><h3>'.localtime().'</h3>');
1.30 www 2062:
1.53 www 2063: # ---------------------------------------------------- See if user can see this
2064:
2065: if ((&gettype($asheet) eq 'classcalc') ||
2066: (&getuname($asheet) ne $ENV{'user.name'}) ||
2067: (&getudom($asheet) ne $ENV{'user.domain'})) {
2068: unless (&Apache::lonnet::allowed('vgr',&getcid($asheet))) {
2069: $r->print(
2070: '<h1>Access Permission Denied</h1></form></body></html>');
2071: return OK;
2072: }
2073: }
1.30 www 2074:
1.53 www 2075: # ---------------------------------------------------------- Additional options
2076:
2077: $r->print(
2078: '<input type=submit name=forcerecalc value="Completely Recalculate Sheet"><p>'
2079: );
2080: if (&gettype($asheet) eq 'assesscalc') {
2081: $r->print ('<p><font size=+2><a href="/adm/studentcalc?uname='.
2082: &getuname($asheet).
2083: '&udom='.&getudom($asheet).
2084: '">Level up: Student Sheet</a></font><p>');
2085: }
2086:
2087: if ((&gettype($asheet) eq 'studentcalc') &&
2088: (&Apache::lonnet::allowed('vgr',&getcid($asheet)))) {
2089: $r->print (
2090: '<p><font size=+2><a href="/adm/classcalc">'.
2091: 'Level up: Course Sheet</a></font><p>');
2092: }
2093:
1.30 www 2094:
2095: # ----------------------------------------------------------------- Save dialog
2096:
2097:
2098: if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
2099: my $fname=$ENV{'form.ufn'};
2100: $fname=~s/\_[^\_]+$//;
2101: if ($fname eq 'default') { $fname='course_default'; }
2102: $r->print('<input type=submit name=saveas value="Save as ...">'.
2103: '<input type=text size=20 name=newfn value="'.$fname.
2104: '"> (make default: <input type=checkbox name="makedefufn">)<p>');
2105: }
2106:
2107: $r->print(&hiddenfield('ufn',&getfilename($asheet)));
1.55 www 2108:
2109: # ----------------------------------------------------------------- Load dialog
2110: if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
2111: $r->print('<p><input type=submit name=load value="Load ...">'.
2112: '<select name="loadthissheet">'.
2113: '<option name="default">Default</option>');
2114: map {
2115: $r->print('<option name="'.$_.'"');
2116: if ($ENV{'form.ufn'} eq $_) {
2117: $r->print(' selected');
2118: }
2119: $r->print('>'.$_.'</option>');
2120: } &othersheets($asheet,&gettype($asheet));
2121: $r->print('</select><p>');
2122: if (&gettype($asheet) eq 'studentcalc') {
2123: &setothersheets($asheet,&othersheets($asheet,'assesscalc'));
2124: }
2125: }
1.30 www 2126:
1.46 www 2127: # --------------------------------------------------------------- Cached sheets
1.48 www 2128:
2129: &expirationdates();
1.46 www 2130:
2131: undef %oldsheets;
2132: undef %loadedcaches;
1.44 www 2133:
1.46 www 2134: if (&gettype($asheet) eq 'classcalc') {
2135: $r->print("Loading previously calculated student sheets ...<br>\n");
2136: $r->rflush();
2137: &cachedcsheets();
2138: } elsif (&gettype($asheet) eq 'studentcalc') {
2139: $r->print("Loading previously calculated assessment sheets ...<br>\n");
2140: $r->rflush();
2141: &cachedssheets(&getuname($asheet),&getudom($asheet),
2142: &getuhome($asheet));
2143: }
1.30 www 2144:
2145: # ----------------------------------------------------- Update sheet, load rows
1.14 www 2146:
1.44 www 2147: $r->print("Loaded sheet(s), updating rows ...<br>\n");
1.36 www 2148: $r->rflush();
2149:
1.29 www 2150: &updatesheet($asheet);
1.36 www 2151:
2152: $r->print("Updated rows, loading row data ...<br>\n");
2153: $r->rflush();
2154:
1.37 www 2155: &loadrows($asheet,$r);
1.14 www 2156:
1.36 www 2157: $r->print("Loaded row data, calculating sheet ...<br>\n");
2158: $r->rflush();
1.14 www 2159:
1.29 www 2160: my $calcoutput=&calcsheet($asheet);
2161: $r->print('<h3><font color=red>'.$calcoutput.'</h3></font>');
1.56 www 2162:
2163: # ---------------------------------------------------- See if something to save
2164:
2165: if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
2166: my $fname='';
2167: if ($ENV{'form.saveas'} && ($fname=$ENV{'form.newfn'})) {
2168: $fname=~s/\W/\_/g;
2169: if ($fname eq 'default') { $fname='course_default'; }
2170: $fname.='_'.&gettype($asheet);
2171: &setfilename($asheet,$fname);
2172: $ENV{'form.ufn'}=$fname;
2173: $r->print('<p>Saving spreadsheet: '.
2174: &writesheet($asheet,$ENV{'form.makedefufn'}).'<p>');
2175: }
2176: }
2177:
2178: # ------------------------------------------------ Write the modified worksheet
2179:
2180: $r->print('<b>Current sheet:</b> '.&getfilename($asheet).'<p>');
2181:
2182: &tmpwrite($asheet);
1.61 www 2183:
1.62 www 2184: if (&gettype($asheet) eq 'studentcalc') {
2185: $r->print('<br>Show rows with empty A column: ');
2186: } else {
2187: $r->print('<br>Show empty rows: ');
2188: }
2189: $r->print('<input type=checkbox name=showall onClick="submit()"');
1.61 www 2190: if ($ENV{'form.showall'}) { $r->print(' checked'); }
2191: $r->print('>');
1.69 www 2192: if (&gettype($asheet) eq 'classcalc') {
2193: $r->print(
2194: ' Output CSV format: <input type=checkbox name=showcsv onClick="submit()"');
2195: if ($ENV{'form.showcsv'}) { $r->print(' checked'); }
2196: $r->print('>');
2197: }
1.56 www 2198: # ------------------------------------------------------------- Print out sheet
1.8 www 2199:
1.29 www 2200: &outsheet($r,$asheet);
1.10 www 2201: $r->print('</form></body></html>');
1.29 www 2202:
1.14 www 2203: # ------------------------------------------------------------------------ Done
1.7 www 2204: } else {
2205: # ----------------------------- Not in a course, or not allowed to modify parms
2206: $ENV{'user.error.msg'}=
2207: $r->uri.":opa:0:0:Cannot modify spreadsheet";
2208: return HTTP_NOT_ACCEPTABLE;
2209: }
1.3 www 2210: return OK;
1.28 www 2211:
1.1 www 2212: }
2213:
2214: 1;
2215: __END__
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