1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.190 2006/03/09 01:11:12 albertel Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27:
28: package Apache::inputtags;
29: use HTML::Entities();
30: use strict;
31: use Apache::loncommon;
32: use Apache::lonlocal;
33: use Apache::lonnet;
34:
35: BEGIN {
36: &Apache::lonxml::register('Apache::inputtags',('hiddenline','textfield','textline'));
37: }
38:
39: # Initializes a set of global variables used during the parse of the problem.
40: #
41: # @Apache::inputtags::input - List of current input ids.
42: # @Apache::inputtags::inputlist - List of all input ids seen this problem.
43: # @Apache::inputtags::response - List of all current resopnse ids.
44: # @Apache::inputtags::responselist - List of all response ids seen this
45: # problem.
46: # @Apache::inputtags::hint - List of all hint ids.
47: # @Apache::inputtags::hintlist - List of all hint ids seen this problem.
48: # @Apache::inputtags::previous - List describing if specific responseds
49: # have been used
50: # @Apache::inputtags::previous_version - Submission responses were used in.
51: # $Apache::inputtags::part - Current part id (valid only in
52: # <problem>)
53: # 0 if not in a part.
54: # @Apache::inputtags::partlist - List of part ids seen in the current
55: # <problem>
56: # @Apache::inputtags::status - List of problem statuses. First
57: # element is the status of the <problem>
58: # the remainder are for individual <part>s.
59: # %Apache::inputtags::params - Hash of defined parameters for the
60: # current response.
61: # @Apache::inputtags::import - List of all ids for <import> thes get
62: # join()ed and prepended.
63: # @Apache::inputtags::importlist - List of all import ids seen.
64: # $Apache::inputtags::response_with_no_part
65: # - Flag set true if we have seen a response
66: # that is not inside a <part>
67: # %Apache::inputtags::answertxt - <*response> tags store correct
68: # answer strings for display by <textline/>
69: # in this hash.
70:
71: sub initialize_inputtags {
72: @Apache::inputtags::input=();
73: @Apache::inputtags::inputlist=();
74: @Apache::inputtags::response=();
75: @Apache::inputtags::responselist=();
76: @Apache::inputtags::hint=();
77: @Apache::inputtags::hintlist=();
78: @Apache::inputtags::previous=();
79: @Apache::inputtags::previous_version=();
80: $Apache::inputtags::part='';
81: @Apache::inputtags::partlist=();
82: @Apache::inputtags::status=();
83: %Apache::inputtags::params=();
84: @Apache::inputtags::import=();
85: @Apache::inputtags::importlist=();
86: $Apache::inputtags::response_with_no_part=0;
87: %Apache::inputtags::answertxt=();
88: }
89:
90: sub check_for_duplicate_ids {
91: my %check;
92: foreach my $id (@Apache::inputtags::partlist,
93: @Apache::inputtags::responselist,
94: @Apache::inputtags::hintlist,
95: @Apache::inputtags::importlist) {
96: $check{$id}++;
97: }
98: my @duplicates;
99: foreach my $id (sort(keys(%check))) {
100: if ($check{$id} > 1) {
101: push(@duplicates,$id);
102: }
103: }
104: if (@duplicates) {
105: &Apache::lonxml::error("Duplicated ids found, problem will operate incorrectly. Duplicated ids seen: ",join(', ',@duplicates));
106: }
107: }
108:
109: sub start_input {
110: my ($parstack,$safeeval)=@_;
111: my $id = &Apache::lonxml::get_param('id',$parstack,$safeeval);
112: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
113: push (@Apache::inputtags::input,$id);
114: push (@Apache::inputtags::inputlist,$id);
115: return $id;
116: }
117:
118: sub end_input {
119: pop @Apache::inputtags::input;
120: return '';
121: }
122:
123: sub addchars {
124: my ($fieldid,$addchars)=@_;
125: my $output='';
126: foreach (split(/\,/,$addchars)) {
127: $output.='<a href="javascript:void(document.forms.lonhomework.'.
128: $fieldid.'.value+=\''.$_.'\')">'.$_.'</a> ';
129: }
130: return $output;
131: }
132:
133: sub start_textfield {
134: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
135: my $result = "";
136: my $id = &start_input($parstack,$safeeval);
137: my $resid=$Apache::inputtags::response[-1];
138: if ($target eq 'web') {
139: $Apache::lonxml::evaluate--;
140: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
141: my $partid=$Apache::inputtags::part;
142: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$resid.submission"},'<>&"');
143: my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
144: if ( $cols eq '') { $cols = 80; }
145: my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
146: if ( $rows eq '') { $rows = 16; }
147: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
148: $result='';
149: if ($addchars) {
150: $result.=&addchars('HWVAL_'.$resid,$addchars);
151: }
152: push @Apache::lonxml::htmlareafields,'HWVAL_'.$resid;
153: $result.= '<textarea wrap="hard" name="HWVAL_'.$resid.'" id="HWVAL_'.$resid.'" '.
154: "rows=\"$rows\" cols=\"$cols\">".$oldresponse;
155: if ($oldresponse ne '') {
156:
157: #get rid of any startup text if the user has already responded
158: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
159: }
160: } else {
161: #right or wrong don't show it
162: #$result='<table border="1"><tr><td><i>'.$oldresponse.'</i></td></tr></table>';
163: $result='';
164: #get rid of any startup text
165: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
166: }
167: } elsif ($target eq 'grade') {
168: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser,
169: $style);
170: if ($seedtext eq $env{'form.HWVAL_'.$resid}) {
171: # if the seed text is still there it wasn't a real submission
172: $env{'form.HWVAL_'.$resid}='';
173: }
174: } elsif ($target eq 'edit') {
175: $result.=&Apache::edit::tag_start($target,$token);
176: $result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
177: $result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
178: $result.=&Apache::edit::text_arg
179: ('Click-On Texts (comma sep):','addchars',$token,10);
180: my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser,
181: $style);
182: $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
183: } elsif ($target eq 'modified') {
184: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
185: $safeeval,'rows','cols',
186: 'addchars');
187: if ($constructtag) {
188: $result = &Apache::edit::rebuild_tag($token);
189: } else {
190: $result=$token->[4];
191: }
192: $result.=&Apache::edit::modifiedfield("/textfield",$parser);
193: } elsif ($target eq 'tex') {
194: my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
195: my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
196: if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
197: $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
198: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
199: $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
200: } else {
201: my $TeXwidth=$width_of_box/80;
202: $result = '\vskip 1 mm \fbox{\fbox{\parbox{'.$TeXwidth.'\textwidth-5mm}{';
203: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
204: $result.='}}}\vskip 2 mm ';
205: }
206: }
207: return $result;
208: }
209:
210: sub end_textfield {
211: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
212: my $result;
213: if ($target eq 'web') {
214: $Apache::lonxml::evaluate++;
215: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
216: return "</textarea>";
217: }
218: } elsif ($target eq 'edit') {
219: $result=&Apache::edit::end_table();
220: }
221: &end_input;
222: return $result;
223: }
224:
225: sub exam_score_line {
226: my ($target) = @_;
227:
228: my $result;
229: if ($target eq 'tex') {
230: my $repetition = &Apache::response::repetition();
231: $result.='\begin{enumerate}';
232: if ($env{'request.state'} eq "construct" ) {$result.='\item[\strut]';}
233: foreach my $i (0..$repetition-1) {
234: $result.='\item[\textbf{'.
235: ($Apache::lonxml::counter+$i).
236: '}.]\textit{Leave blank on scoring form}\vskip 0 mm';
237: }
238: $result.= '\end{enumerate}';
239: }
240:
241: return $result;
242: }
243:
244: sub exam_box {
245: my ($target) = @_;
246: my $result;
247:
248: if ($target eq 'tex') {
249: $result .= '\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
250: $result .= &exam_score_line($target);
251: } elsif ($target eq 'web') {
252: my $id=$Apache::inputtags::response[-1];
253: $result.= '<br /><br />
254: <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
255: </textarea> <br /><br />';
256: }
257: return $result;
258: }
259:
260: sub needs_exam_box {
261: my ($tagstack) = @_;
262: my @tags = ('formularesponse',
263: 'stringresponse',
264: 'reactionresponse',
265: 'organicresponse',
266: );
267:
268: foreach my $tag (@tags) {
269: if (grep(/\Q$tag\E/,@$tagstack)) {
270: return 1;
271: }
272: }
273: return 0;
274: }
275:
276: sub start_textline {
277: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
278: my $result = "";
279: if ($target eq 'web') {
280: $Apache::lonxml::evaluate--;
281: my $partid=$Apache::inputtags::part;
282: my $id=$Apache::inputtags::response[-1];
283: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
284: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
285: my $maxlength;
286: if ($size eq '') { $size=20; } else {
287: if ($size < 20) { $maxlength=$size; }
288: }
289: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"},'<>&"');
290: if ($Apache::lonhomework::type ne 'exam') {
291: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
292: $result='';
293: if ($addchars) {
294: $result.=&addchars('HWVAL_'.$id,$addchars);
295: }
296: my $readonly=&Apache::lonxml::get_param('readonly',$parstack,
297: $safeeval);
298: if (lc($readonly) eq 'yes') {
299: $readonly=' readonly="readonly" ';
300: } else {
301: $readonly='';
302: }
303: $result.= '<input type="text" '.$readonly.' name="HWVAL_'.$id.'" value="'.
304: $oldresponse.'" size="'.$size.'" maxlength="'.$maxlength.'" />';
305: }
306: if ($Apache::lonhomework::type eq 'exam'
307: && &needs_exam_box($tagstack)) {
308: $result.=&exam_box($target);
309: }
310: } else {
311: #right or wrong don't show what was last typed in.
312: $result='<b>'.$Apache::inputtags::answertxt{$id}.'</b>';
313: #$result='';
314: }
315: } elsif ($target eq 'edit') {
316: $result=&Apache::edit::tag_start($target,$token);
317: $result.=&Apache::edit::text_arg('Size:','size',$token,'5').
318: &Apache::edit::text_arg('Click-On Texts (comma sep):',
319: 'addchars',$token,10);
320: $result.=&Apache::edit::select_arg('Readonly:','readonly',
321: ['no','yes'],$token);
322: $result.=&Apache::edit::end_row();
323: $result.=&Apache::edit::end_table();
324: } elsif ($target eq 'modified') {
325: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
326: $safeeval,'size',
327: 'addchars','readonly');
328: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
329: } elsif ($target eq 'tex'
330: && $Apache::lonhomework::type ne 'exam') {
331: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
332: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
333: $result='\framebox['.$size.'][s]{\tiny\strut}';
334:
335: } elsif ($target eq 'tex'
336: && $Apache::lonhomework::type eq 'exam'
337: && &needs_exam_box($tagstack)) {
338: $result.=&exam_box($target);
339: }
340: return $result;
341: }
342:
343: sub end_textline {
344: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
345: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
346: elsif ($target eq 'edit') { return ('','no'); }
347: return "";
348: }
349:
350: sub start_hiddenline {
351: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
352: my $result = "";
353: if ($target eq 'web') {
354: $Apache::lonxml::evaluate--;
355: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
356: my $partid=$Apache::inputtags::part;
357: my $id=$Apache::inputtags::response[-1];
358: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"},'<>&"');
359: if ($Apache::lonhomework::type ne 'exam') {
360: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
361: $oldresponse.'" />';
362: }
363: }
364: } elsif ($target eq 'edit') {
365: $result=&Apache::edit::tag_start($target,$token);
366: $result.=&Apache::edit::end_table;
367: }
368:
369: if ( ($target eq 'web' || $target eq 'tex')
370: && $Apache::lonhomework::type eq 'exam'
371: && &needs_exam_box($tagstack)) {
372: $result.=&exam_box($target);
373: }
374: return $result;
375: }
376:
377: sub end_hiddenline {
378: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
379: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
380: elsif ($target eq 'edit') { return ('','no'); }
381: return "";
382: }
383:
384: # $part -> partid
385: # $id -> responseid
386: # $uploadefiletypes -> comma seperated list of extensions allowed or * for any
387: # $which -> 'uploadedonly' -> only newly uploaded files
388: # 'portfolioonly' -> only allow files from portfolio
389: # 'both' -> allow files from either location
390: # $extratext -> additional text to go between the link and the input box
391: # returns a table row <tr>
392: sub file_selector {
393: my ($part,$id,$uploadedfiletypes,$which,$extratext)=@_;
394: if (!$uploadedfiletypes) { return ''; }
395:
396: my $jspart=$part;
397: $jspart=~s/\./_/g;
398:
399: my $result;
400:
401: $result.='<tr><td>';
402: if ($uploadedfiletypes ne '*') {
403: $result.=
404: &mt('Allowed filetypes: <b>[_1]</b>',$uploadedfiletypes).'<br />';
405: }
406: if ($which eq 'uploadonly' || $which eq 'both') {
407: $result.=&mt('Submit a file: (only one file can be uploaded)').
408: ' <br /><input type="file" size="50" name="HWFILE'.
409: $jspart.'_'.$id.'" /><br />';
410: my $uploadedfile= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.uploadedfile"},'<>&"');
411:
412: if ($uploadedfile) {
413: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
414: &Apache::lonxml::extlink($url);
415: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
416: my $icon=&Apache::loncommon::icon($url);
417: my $curfile='<a href="'.$url.'"><img src="'.$icon.
418: '" border="0" />'.$uploadedfile.'</a>';
419: $result.=&mt('Currently submitted: <tt>[_1]</tt>',$curfile);
420: } else {
421: #$result.=&mt('(Hand in a file you have prepared on your computer)');
422: }
423: }
424: if ( $which eq 'both') {
425: $result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
426: }
427: if ($which eq 'portfolioonly' || $which eq 'both') {
428: $result.=$extratext.'<a href='."'".'javascript:void(window.open("/adm/portfolio?mode=selectfile&fieldname=HWPORT'.$jspart.'_'.$id.'","cat","height=600,width=800,scrollbars=1,resizable=1,menubar=2,location=1"))'."'".'>'.
429: &mt('Select Portfolio Files').'</a><br />'.
430: '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
431: '<br />';
432: if ($Apache::lonhomework::history{"resource.$part.$id.portfiles"}=~/[^\s]/){
433: my (@filelist,@bad_file_list);
434: foreach my $file (split(',',&Apache::lonnet::unescape($Apache::lonhomework::history{"resource.$part.$id.portfiles"}))) {
435: my (undef,undef,$domain,$user)=&Apache::lonxml::whichuser();
436: my $url="/uploaded/$domain/$user/portfolio$file";
437: my $icon=&Apache::loncommon::icon($url);
438: push(@filelist,'<a href="'.$url.'"><img src="'.$icon.
439: '" border="0" />'.$file.'</a>');
440: if (! &Apache::lonnet::stat_file($url)) {
441: push(@bad_file_list,'<a href="'.$url.'"><img src="'.$icon.
442: '" border="0" />'.$file.'</a>');
443: }
444: }
445: $result.=&mt("Portfolio files previously selected: <strong>[_1]</strong>",join(', ',@filelist));
446: if (@bad_file_list) {
447: $result.='<br />'.&mt('<font color="red">These file(s) don\'t exist:</font> <strong>[_1]</strong>',join(', ',@bad_file_list));
448: }
449: }
450: }
451: $result.='</td></tr>';
452: return $result;
453: }
454:
455: sub checkstatus {
456: my ($value,$awardref,$msgref)=@_;
457: for (my $i=0;$i<=$#$awardref;$i++) {
458: if ($$awardref[$i] eq $value) {
459: return ($$awardref[$i],$$msgref[$i]);
460: }
461: }
462: return(undef,undef);
463: }
464:
465: sub valid_award {
466: my ($award) =@_;
467: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
468: 'NO_RESPONSE',
469: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
470: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
471: 'UNIT_FAIL', 'NO_UNIT',
472: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
473: 'BAD_FORMULA', 'SIG_FAIL', 'INCORRECT',
474: 'MISORDERED_RANK', 'INVALID_FILETYPE',
475: 'DRAFT', 'SUBMITTED', 'ASSIGNED_SCORE',
476: 'APPROX_ANS', 'EXACT_ANS','COMMA_FAIL') {
477: if ($award eq $possibleaward) { return 1; }
478: }
479: return 0;
480: }
481:
482: sub finalizeawards {
483: my ($awardref,$msgref,$nameref,$reverse)=@_;
484: my $result=undef;
485: my $award;
486: my $msg;
487: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
488: if ($result eq '' ) {
489: my $blankcount;
490: foreach $award (@$awardref) {
491: if ($award eq '') {
492: $result='MISSING_ANSWER';
493: $blankcount++;
494: }
495: }
496: if ($blankcount == ($#$awardref + 1)) { $result = 'NO_RESPONSE'; }
497: }
498: if (defined($result)) { return ($result,$msg); }
499:
500: # these awards are ordered from most important error through best correct
501:
502: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
503: 'TOO_LONG',
504: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
505: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
506: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA',
507: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
508: 'INVALID_FILETYPE', 'DRAFT', 'SUBMITTED', 'ASSIGNED_SCORE',
509: 'APPROX_ANS', 'EXACT_ANS');
510: if ($reverse) { @awards=reverse(@awards); }
511: foreach my $possibleaward (@awards) {
512: ($result,$msg)=&checkstatus($possibleaward,$awardref,$msgref);
513: if (defined($result)) { return ($result,$msg); }
514: }
515: return ('ERROR',undef);
516: }
517:
518: sub decideoutput {
519: my ($award,$awarded,$awardmsg,$solved,$previous,$target)=@_;
520: my $message='';
521: my $button=0;
522: my $previousmsg;
523: my $bgcolor='orange';
524: my $added_computer_text=0;
525: my %possiblecolors =
526: ( 'correct' => '#aaffaa',
527: 'charged_try' => '#ffaaaa',
528: 'not_charged_try' => '#ffffaa',
529: 'no_message' => '#fffff',
530: );
531:
532: my $part = $Apache::inputtags::part;
533: my $handgrade =
534: ('yes' eq lc(&Apache::lonnet::EXT("resource.$part.handgrade")));
535:
536: my $computer = ($handgrade)? ''
537: : " ".&mt("Computer's answer now shown above.");
538: &Apache::lonxml::debug("handgrade has :$handgrade:");
539:
540: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
541:
542: if ($solved =~ /^correct/) {
543: $bgcolor=$possiblecolors{'correct'};
544: $message=&mt('You are correct.');
545: if ($awarded < 1 && $awarded > 0) {
546: $message=&mt('You are partially correct.');
547: $bgcolor=$possiblecolors{'not_charged_try'};
548: } elsif ($awarded < 1) {
549: $message=&mt('Incorrect.');
550: $bgcolor=$possiblecolors{'charged_try'};
551: }
552: if ($env{'request.filename'} =~
553: m|/res/lib/templates/examupload.problem$|) {
554: $message = &mt("A score has been assigned.");
555: $added_computer_text=1;
556: } else {
557: if ($target eq 'tex') {
558: $message = '\textbf{'.$message.'}';
559: } else {
560: $message = "<b>".$message."</b>";
561: $message.= $computer;
562: }
563: $added_computer_text=1;
564: unless ($env{'course.'.
565: $env{'request.course.id'}.
566: '.disable_receipt_display'} eq 'yes') {
567: $message.=(($target eq 'web')?'<br />':' ').
568: &mt('Your receipt is').' '.&Apache::lonnet::receipt($Apache::inputtags::part).
569: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'');
570: }
571: }
572: $button=0;
573: $previousmsg='';
574: } elsif ($solved =~ /^excused/) {
575: if ($target eq 'tex') {
576: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
577: } else {
578: $message = "<b>".&mt('You are excused from the problem.')."</b>";
579: }
580: $bgcolor=$possiblecolors{'charged_try'};
581: $button=0;
582: $previousmsg='';
583: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
584: if ($solved =~ /^incorrect/ || $solved eq '') {
585: $message = &mt("Incorrect").".";
586: $bgcolor=$possiblecolors{'charged_try'};
587: $button=1;
588: } else {
589: if ($target eq 'tex') {
590: $message = '\textbf{'.&mt('You are correct.').'}';
591: } else {
592: $message = "<b>".&mt('You are correct.')."</b>";
593: $message.= $computer;
594: }
595: $added_computer_text=1;
596: unless ($env{'course.'.
597: $env{'request.course.id'}.
598: '.disable_receipt_display'} eq 'yes') {
599: $message.=(($target eq 'web')?'<br />':' ').
600: 'Your receipt is '.&Apache::lonnet::receipt($Apache::inputtags::part).
601: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'');
602: }
603: $bgcolor=$possiblecolors{'correct'};
604: $button=0;
605: $previousmsg='';
606: }
607: } elsif ($award eq 'NO_RESPONSE') {
608: $message = '';
609: $bgcolor=$possiblecolors{'no_feedback'};
610: $button=1;
611: } elsif ($award eq 'EXTRA_ANSWER') {
612: $message = &mt('Some extra items were submitted.');
613: $bgcolor=$possiblecolors{'not_charged_try'};
614: $button = 1;
615: } elsif ($award eq 'MISSING_ANSWER') {
616: $message = &mt('Some items were not submitted.');
617: $bgcolor=$possiblecolors{'not_charged_try'};
618: $button = 1;
619: } elsif ($award eq 'ERROR') {
620: $message = &mt('An error occured while grading your answer.');
621: $bgcolor=$possiblecolors{'not_charged_try'};
622: $button = 1;
623: } elsif ($award eq 'TOO_LONG') {
624: $message = &mt("The submitted answer was too long.");
625: $bgcolor=$possiblecolors{'not_charged_try'};
626: $button=1;
627: } elsif ($award eq 'WANTED_NUMERIC') {
628: $message = &mt("This question expects a numeric answer.");
629: $bgcolor=$possiblecolors{'not_charged_try'};
630: $button=1;
631: } elsif ($award eq 'MISORDERED_RANK') {
632: $message = &mt('You have provided an invalid ranking');
633: if ($target ne 'tex') {
634: $message.=', '.&mt('please refer to').' '.&Apache::loncommon::help_open_topic('Ranking_Problems','help on ranking problems');
635: }
636: $bgcolor=$possiblecolors{'not_charged_try'};
637: $button=1;
638: } elsif ($award eq 'INVALID_FILETYPE') {
639: $message = &mt('Submission won\'t be graded. The type of file submitted is not allowed.');
640: $bgcolor=$possiblecolors{'not_charged_try'};
641: $button=1;
642: } elsif ($award eq 'SIG_FAIL') {
643: my ($used,$min,$max)=split(':',$awardmsg);
644: my $word;
645: if ($used < $min) { $word=&mt('more'); }
646: if ($used > $max) { $word=&mt('fewer'); }
647: $message = &mt("Submission not graded. Use [_2] digits.",$used,$word);
648: $bgcolor=$possiblecolors{'not_charged_try'};
649: $button=1;
650: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
651: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
652: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
653: $bgcolor=$possiblecolors{'not_charged_try'};
654: $button=1;
655: } elsif ($award eq 'UNIT_INVALID_STUDENT') {
656: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
657: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
658: $bgcolor=$possiblecolors{'not_charged_try'};
659: $button=1;
660: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
661: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
662: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
663: $bgcolor=$possiblecolors{'not_charged_try'};
664: $button=1;
665: } elsif ($award eq 'UNIT_NOTNEEDED') {
666: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
667: $bgcolor=$possiblecolors{'not_charged_try'};
668: $button=1;
669: } elsif ($award eq 'NO_UNIT') {
670: $message = &mt("Units required").'.';
671: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
672: $bgcolor=$possiblecolors{'not_charged_try'};
673: $button=1;
674: } elsif ($award eq 'COMMA_FAIL') {
675: $message = &mt("Proper comma separation is required").'.';
676: $bgcolor=$possiblecolors{'not_charged_try'};
677: $button=1;
678: } elsif ($award eq 'BAD_FORMULA') {
679: $message = &mt("Unable to understand formula");
680: $bgcolor=$possiblecolors{'not_charged_try'};
681: $button=1;
682: } elsif ($award eq 'INCORRECT') {
683: $message = &mt("Incorrect").'.';
684: $bgcolor=$possiblecolors{'charged_try'};
685: $button=1;
686: } elsif ($award eq 'SUBMITTED') {
687: $message = &mt("Your submission has been recorded.");
688: $bgcolor=$possiblecolors{'correct'};
689: $button=1;
690: } elsif ($award eq 'DRAFT') {
691: $message = &mt("A draft copy has been saved.");
692: $bgcolor=$possiblecolors{'not_charged_try'};
693: $button=1;
694: } elsif ($award eq 'ASSIGNED_SCORE') {
695: $message = &mt("A score has been assigned.");
696: $bgcolor=$possiblecolors{'correct'};
697: $button=0;
698: } elsif ($award eq '') {
699: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
700: $message = &mt("Nothing submitted.");
701: $bgcolor=$possiblecolors{'charged_try'};
702: } else {
703: $bgcolor=$possiblecolors{'not_charged_try'};
704: }
705: $button=1;
706: } else {
707: $message = &mt("Unknown message").": $award";
708: $button=1;
709: }
710: if (lc($Apache::lonhomework::problemstatus) eq 'no' &&
711: $Apache::inputtags::status[-1] ne 'SHOW_ANSWER') {
712: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
713: $bgcolor=$possiblecolors{'correct'};
714: $button=1;
715: }
716: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
717: !$added_computer_text && $target ne 'tex') {
718: $message.= $computer;
719: $added_computer_text=1;
720: }
721: return ($button,$bgcolor,$message,$previousmsg);
722: }
723:
724: sub markup_unit {
725: my ($unit,$target)=@_;
726: if ($target eq 'tex') {
727: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
728: } else {
729: return "<tt>".$unit."</tt>";
730: }
731: }
732:
733: sub removealldata {
734: my ($id)=@_;
735: foreach my $key (keys(%Apache::lonhomework::results)) {
736: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
737: &Apache::lonxml::debug("Removing $key");
738: delete($Apache::lonhomework::results{$key});
739: }
740: }
741: }
742:
743: sub hidealldata {
744: my ($id)=@_;
745: foreach my $key (keys(%Apache::lonhomework::results)) {
746: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
747: &Apache::lonxml::debug("Hidding $key");
748: my $newkey=$key;
749: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
750: $Apache::lonhomework::results{$newkey}=
751: $Apache::lonhomework::results{$key};
752: delete($Apache::lonhomework::results{$key});
753: }
754: }
755: }
756:
757: sub setgradedata {
758: my ($award,$msg,$id,$previously_used) = @_;
759: if ($Apache::lonhomework::scantronmode &&
760: &Apache::lonnet::validCODE($env{'form.CODE'})) {
761: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
762: } elsif ($Apache::lonhomework::scantronmode &&
763: $env{'form.CODE'} eq '' &&
764: $Apache::lonhomework::history{"resource.CODE"} ne '') {
765: $Apache::lonhomework::results{"resource.CODE"}='';
766: }
767:
768: if (!$Apache::lonhomework::scantronmode &&
769: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
770: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
771: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
772: return '';
773: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
774: /^correct/ || $Apache::lonhomework::scantronmode ||
775: lc($Apache::lonhomework::problemstatus) eq 'no') {
776: # the student doesn't already have it correct,
777: # or we are in a mode (scantron orno problem status) where a correct
778: # can become incorrect
779: # handle assignment of tries and solved status
780: my $solvemsg;
781: if ($Apache::lonhomework::scantronmode) {
782: $solvemsg='correct_by_scantron';
783: } else {
784: $solvemsg='correct_by_student';
785: }
786: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
787: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
788: }
789: if ( $award eq 'ASSIGNED_SCORE') {
790: $Apache::lonhomework::results{"resource.$id.tries"} =
791: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
792: $Apache::lonhomework::results{"resource.$id.solved"} =
793: $solvemsg;
794: my $numawards=scalar(@Apache::inputtags::response);
795: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
796: foreach my $res (@Apache::inputtags::response) {
797: $Apache::lonhomework::results{"resource.$id.awarded"}+=
798: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
799: }
800: if ($numawards > 0) {
801: $Apache::lonhomework::results{"resource.$id.awarded"}/=
802: $numawards;
803: }
804: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
805: $Apache::lonhomework::results{"resource.$id.tries"} =
806: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
807: $Apache::lonhomework::results{"resource.$id.solved"} =
808: $solvemsg;
809: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
810: } elsif ( $award eq 'INCORRECT' ) {
811: $Apache::lonhomework::results{"resource.$id.tries"} =
812: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
813: if (lc($Apache::lonhomework::problemstatus) eq 'no' ||
814: $Apache::lonhomework::scantronmode) {
815: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
816: }
817: $Apache::lonhomework::results{"resource.$id.solved"} =
818: 'incorrect_attempted';
819: } elsif ( $award eq 'SUBMITTED' ) {
820: $Apache::lonhomework::results{"resource.$id.tries"} =
821: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
822: $Apache::lonhomework::results{"resource.$id.solved"} =
823: 'ungraded_attempted';
824: } elsif ( $award eq 'DRAFT' ) {
825: $Apache::lonhomework::results{"resource.$id.solved"} = '';
826: } elsif ( $award eq 'NO_RESPONSE' ) {
827: #no real response so delete any data that got stored
828: &removealldata($id);
829: return '';
830: } else {
831: $Apache::lonhomework::results{"resource.$id.solved"} =
832: 'incorrect_attempted';
833: if (lc($Apache::lonhomework::problemstatus) eq 'no' ||
834: $Apache::lonhomework::scantronmode) {
835: $Apache::lonhomework::results{"resource.$id.tries"} =
836: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
837: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
838: }
839: }
840: if (defined($msg)) {
841: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
842: }
843: # did either of the overall awards chage? If so ignore the
844: # previous check
845: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
846: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
847: ($Apache::lonhomework::results{"resource.$id.solved"} eq
848: $Apache::lonhomework::history{"resource.$id.solved"})) {
849: # check if this was a previous submission if it was delete the
850: # unneeded data and update the previously_used attribute
851: if ( $previously_used eq 'PREVIOUSLY_USED') {
852: if (lc($Apache::lonhomework::problemstatus) ne 'no') {
853: delete($Apache::lonhomework::results{"resource.$id.tries"});
854: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
855: }
856: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
857: #delete all data as they student didn't do anything, but save
858: #the list of collaborators.
859: &removealldata($id);
860: #and since they didn't do anything we were never here
861: return '';
862: } else {
863: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
864: }
865: }
866: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~
867: /^correct/ ) {
868: #delete all data as they student already has it correct
869: &removealldata($id);
870: #and since they didn't do anything we were never here
871: return '';
872: }
873: $Apache::lonhomework::results{"resource.$id.award"} = $award;
874: if ($award eq 'SUBMITTED') {
875: &Apache::response::add_to_gradingqueue();
876: }
877: }
878:
879: sub grade {
880: my ($target) = @_;
881: my $id = $Apache::inputtags::part;
882: my $response='';
883: if ( defined $env{'form.submitted'}) {
884: my (@awards,@msgs);
885: foreach $response (@Apache::inputtags::response) {
886: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
887: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
888: &Apache::lonxml::debug("keeping $value from $response for $id");
889: push (@awards,$value);
890: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
891: &Apache::lonxml::debug("got message $value from $response for $id");
892: push (@msgs,$value);
893: }
894: my ($finalaward,$msg) = &finalizeawards(\@awards,\@msgs);
895: my $previously_used;
896: if ( $#Apache::inputtags::previous eq $#awards ) {
897: my $match=0;
898: my @matches;
899: foreach my $versionar (@Apache::inputtags::previous_version) {
900: foreach my $version (@$versionar) {
901: $matches[$version]++;
902: }
903: }
904: foreach my $elem (@matches) {if ($elem eq ($#awards+1)) {$match=1;}}
905: if ($match) {
906: $previously_used = 'PREVIOUSLY_LAST';
907: foreach my $value (@Apache::inputtags::previous) {
908: if ($value eq 'PREVIOUSLY_USED' ) {
909: $previously_used = $value;
910: last;
911: }
912: }
913: }
914: }
915: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
916: &setgradedata($finalaward,$msg,$id,$previously_used);
917: }
918: return '';
919: }
920:
921: sub gradestatus {
922: my ($id,$target) = @_;
923: my $showbutton = 1;
924: my $bgcolor = '';
925: my $message = '';
926: my $latemessage = '';
927: my $trystr='';
928: my $button='';
929: my $previousmsg='';
930:
931: my $status = $Apache::inputtags::status['-1'];
932: &Apache::lonxml::debug("gradestatus has :$status:");
933: if ( $status ne 'CLOSED'
934: && $status ne 'UNAVAILABLE'
935: && $status ne 'INVALID_ACCESS'
936: && $status ne 'NEEDS_CHECKIN'
937: && $status ne 'NOT_IN_A_SLOT') {
938: my $award = $Apache::lonhomework::history{"resource.$id.award"};
939: my $awarded = $Apache::lonhomework::history{"resource.$id.awarded"};
940: my $solved = $Apache::lonhomework::history{"resource.$id.solved"};
941: my $previous = $Apache::lonhomework::history{"resource.$id.previous"};
942: my $awardmsg = $Apache::lonhomework::history{"resource.$id.awardmsg"};
943: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
944: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
945: &Apache::lonxml::debug('Getting message');
946: ($showbutton,$bgcolor,$message,$previousmsg) =
947: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
948: $target);
949: if ($target eq 'tex') {
950: $message='\vskip 2 mm '.$message.' ';
951: } else {
952: $message="<td bgcolor=\"$bgcolor\">$message</td>";
953: if ($previousmsg) {
954: $previousmsg="<td bgcolor=\"#aaaaff\">$previousmsg</td>";
955: }
956: }
957: }
958: my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
959: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
960: &Apache::lonxml::debug("got maxtries of :$maxtries:");
961: #if tries are set to negative turn off the Tries/Button and messages
962: if (defined($maxtries) && $maxtries < 0) { return ''; }
963: if ( $tries eq '' ) { $tries = '0'; }
964: if ( $maxtries eq '' ) { $maxtries = '2'; }
965: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
966: my $tries_text=&mt('Tries');
967: if ( $Apache::lonhomework::type eq 'survey' ||
968: $Apache::lonhomework::parsing_a_task) {
969: $tries_text=&mt('Submissions');
970: }
971: if ( $showbutton ) {
972: if ($target eq 'tex') {
973: if ($env{'request.state'} ne "construct" && $Apache::lonhomework::type ne 'exam' && $env{'form.suppress_tries'} ne 'yes') {
974: $trystr = ' {\vskip 1 mm \small \textit{'.$tries_text.'} '.$tries.'/'.$maxtries.'} \vskip 2 mm ';
975: } else {
976: $trystr = '\vskip 0 mm ';
977: }
978: } else {
979: $trystr = "<td><nobr>".$tries_text." $tries";
980: if ($Apache::lonhomework::parsing_a_task) {
981: } elsif($env{'request.state'} ne 'construct') {
982: $trystr.="/$maxtries";
983: } else {
984: if (defined($Apache::inputtags::params{'maxtries'})) {
985: $trystr.="/".$Apache::inputtags::params{'maxtries'};
986: }
987: }
988: $trystr.="</nobr></td>";
989: }
990: }
991: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {$showbutton = 0;}
992: if ( $showbutton ) {
993: if ($target ne 'tex') {
994: $button = '<input type="submit" name="submit_'.$id.'" value="'.&mt('Submit Answer').'" />';
995: }
996: }
997: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
998: #last submissions was after due date
999: $latemessage=&mt(' The last submission was after the Due Date ');;
1000: if ($target eq 'web') {
1001: $latemessage='<td bgcolor="#ffaaaa">'.$latemessage.'</td>';
1002: }
1003: }
1004: }
1005: my $output= $previousmsg.$latemessage.$message.$trystr;
1006: if ($output =~ /^\s*$/) {
1007: return $button;
1008: } else {
1009: if ($target eq 'tex') {
1010: return $button.' \vskip 0 mm '.$output.' ';
1011: } else {
1012: return '<table><tr><td>'.$button.'</td>'.$output.'</tr></table>';
1013: }
1014: }
1015: }
1016: 1;
1017: __END__
1018:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to inputtags.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / homework