1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.248.2.3 2008/12/10 22:58:46 raeburn 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: use LONCAPA;
35:
36:
37: BEGIN {
38: &Apache::lonxml::register('Apache::inputtags',('hiddenline','textfield','textline'));
39: }
40:
41: # Initializes a set of global variables used during the parse of the problem.
42: #
43: # @Apache::inputtags::input - List of current input ids.
44: # @Apache::inputtags::inputlist - List of all input ids seen this problem.
45: # @Apache::inputtags::response - List of all current resopnse ids.
46: # @Apache::inputtags::responselist - List of all response ids seen this
47: # problem.
48: # @Apache::inputtags::hint - List of all hint ids.
49: # @Apache::inputtags::hintlist - List of all hint ids seen this problem.
50: # @Apache::inputtags::previous - List describing if specific responseds
51: # have been used
52: # @Apache::inputtags::previous_version - Submission responses were used in.
53: # $Apache::inputtags::part - Current part id (valid only in
54: # <problem>)
55: # 0 if not in a part.
56: # @Apache::inputtags::partlist - List of part ids seen in the current
57: # <problem>
58: # @Apache::inputtags::status - List of problem statuses. First
59: # element is the status of the <problem>
60: # the remainder are for individual <part>s.
61: # %Apache::inputtags::params - Hash of defined parameters for the
62: # current response.
63: # @Apache::inputtags::import - List of all ids for <import> thes get
64: # join()ed and prepended.
65: # @Apache::inputtags::importlist - List of all import ids seen.
66: # $Apache::inputtags::response_with_no_part
67: # - Flag set true if we have seen a response
68: # that is not inside a <part>
69: # %Apache::inputtags::answertxt - <*response> tags store correct
70: # answer strings for display by <textline/>
71: # in this hash.
72: # %Apache::inputtags::submission_display
73: # - <*response> tags store improved display
74: # of submission strings for display by part
75: # end.
76:
77: sub initialize_inputtags {
78: @Apache::inputtags::input=();
79: @Apache::inputtags::inputlist=();
80: @Apache::inputtags::response=();
81: @Apache::inputtags::responselist=();
82: @Apache::inputtags::hint=();
83: @Apache::inputtags::hintlist=();
84: @Apache::inputtags::previous=();
85: @Apache::inputtags::previous_version=();
86: $Apache::inputtags::part='';
87: @Apache::inputtags::partlist=();
88: @Apache::inputtags::status=();
89: %Apache::inputtags::params=();
90: @Apache::inputtags::import=();
91: @Apache::inputtags::importlist=();
92: $Apache::inputtags::response_with_no_part=0;
93: %Apache::inputtags::answertxt=();
94: %Apache::inputtags::submission_display=();
95: }
96:
97: sub check_for_duplicate_ids {
98: my %check;
99: foreach my $id (@Apache::inputtags::partlist,
100: @Apache::inputtags::responselist,
101: @Apache::inputtags::hintlist,
102: @Apache::inputtags::importlist) {
103: $check{$id}++;
104: }
105: my @duplicates;
106: foreach my $id (sort(keys(%check))) {
107: if ($check{$id} > 1) {
108: push(@duplicates,$id);
109: }
110: }
111: if (@duplicates) {
112: &Apache::lonxml::error("Duplicated ids found, problem will operate incorrectly. Duplicated ids seen: ",join(', ',@duplicates));
113: }
114: }
115:
116: sub start_input {
117: my ($parstack,$safeeval)=@_;
118: my $id = &Apache::lonxml::get_id($parstack,$safeeval);
119: push (@Apache::inputtags::input,$id);
120: push (@Apache::inputtags::inputlist,$id);
121: return $id;
122: }
123:
124: sub end_input {
125: pop @Apache::inputtags::input;
126: return '';
127: }
128:
129: sub addchars {
130: my ($fieldid,$addchars)=@_;
131: my $output='';
132: foreach (split(/\,/,$addchars)) {
133: $output.='<a href="javascript:void(document.forms.lonhomework.'.
134: $fieldid.'.value+=\''.$_.'\')">'.$_.'</a> ';
135: }
136: return $output;
137: }
138:
139: sub start_textfield {
140: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
141: my $result = "";
142: my $id = &start_input($parstack,$safeeval);
143: my $resid=$Apache::inputtags::response[-1];
144: if ($target eq 'web') {
145: $Apache::lonxml::evaluate--;
146: my $partid=$Apache::inputtags::part;
147: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$resid.submission"},'<>&"');
148: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
149: my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
150: if ( $cols eq '') { $cols = 80; }
151: my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
152: if ( $rows eq '') { $rows = 16; }
153: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
154: $result='';
155: if ($addchars) {
156: $result.=&addchars('HWVAL_'.$resid,$addchars);
157: }
158: &Apache::lonhtmlcommon::add_htmlareafields('HWVAL_'.$resid);
159: $result.= '<textarea wrap="hard" name="HWVAL_'.$resid.'" id="HWVAL_'.$resid.'" '.
160: "rows=\"$rows\" cols=\"$cols\">".$oldresponse;
161: if ($oldresponse ne '') {
162:
163: #get rid of any startup text if the user has already responded
164: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
165: }
166: } else {
167: #show past answer in the essayresponse case
168: if ($oldresponse =~ /\S/
169: && &Apache::londefdef::is_inside_of($tagstack,
170: 'essayresponse') ) {
171: $result='<table class="LC_pastsubmission"><tr><td>'.
172: $oldresponse.'</td></tr></table>';
173: }
174: #get rid of any startup text
175: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
176: }
177: } elsif ($target eq 'grade') {
178: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser,
179: $style);
180: if ($seedtext eq $env{'form.HWVAL_'.$resid}) {
181: # if the seed text is still there it wasn't a real submission
182: $env{'form.HWVAL_'.$resid}='';
183: }
184: } elsif ($target eq 'edit') {
185: $result.=&Apache::edit::tag_start($target,$token);
186: $result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
187: $result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
188: $result.=&Apache::edit::text_arg
189: ('Click-On Texts (comma sep):','addchars',$token,10);
190: my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser,
191: $style);
192: $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
193: } elsif ($target eq 'modified') {
194: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
195: $safeeval,'rows','cols',
196: 'addchars');
197: if ($constructtag) {
198: $result = &Apache::edit::rebuild_tag($token);
199: } else {
200: $result=$token->[4];
201: }
202: $result.=&Apache::edit::modifiedfield("/textfield",$parser);
203: } elsif ($target eq 'tex') {
204: my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
205: my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
206: if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
207: $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
208: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
209: $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
210: } else {
211: my $TeXwidth=$width_of_box/80;
212: $result = '\vskip 1 mm \fbox{\fbox{\parbox{'.$TeXwidth.'\textwidth-5mm}{';
213: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
214: $result.='}}}\vskip 2 mm ';
215: }
216: }
217: return $result;
218: }
219:
220: sub end_textfield {
221: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
222: my $result;
223: if ($target eq 'web') {
224: $Apache::lonxml::evaluate++;
225: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
226: return "</textarea>";
227: }
228: } elsif ($target eq 'edit') {
229: $result=&Apache::edit::end_table();
230: }
231: &end_input;
232: return $result;
233: }
234:
235: sub exam_score_line {
236: my ($target) = @_;
237:
238: my $result;
239: if ($target eq 'tex') {
240: my $repetition = &Apache::response::repetition();
241: $result.='\begin{enumerate}';
242: if ($env{'request.state'} eq "construct" ) {$result.='\item[\strut]';}
243: foreach my $i (0..$repetition-1) {
244: $result.='\item[\textbf{'.
245: ($Apache::lonxml::counter+$i).
246: '}.]\textit{Leave blank on scoring form}\vskip 0 mm';
247: }
248: $result.= '\end{enumerate}';
249: }
250:
251: return $result;
252: }
253:
254: sub exam_box {
255: my ($target) = @_;
256: my $result;
257:
258: if ($target eq 'tex') {
259: $result .= '\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
260: $result .= &exam_score_line($target);
261: } elsif ($target eq 'web') {
262: my $id=$Apache::inputtags::response[-1];
263: $result.= '<br /><br />
264: <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
265: </textarea> <br /><br />';
266: }
267: return $result;
268: }
269:
270: sub needs_exam_box {
271: my ($tagstack) = @_;
272: my @tags = ('formularesponse',
273: 'stringresponse',
274: 'reactionresponse',
275: 'organicresponse',
276: );
277:
278: foreach my $tag (@tags) {
279: if (grep(/\Q$tag\E/,@$tagstack)) {
280: return 1;
281: }
282: }
283: return 0;
284: }
285:
286: sub start_textline {
287: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
288: my $result = "";
289: my $input_id = &start_input($parstack,$safeeval);
290: if ($target eq 'web') {
291: $Apache::lonxml::evaluate--;
292: my $partid=$Apache::inputtags::part;
293: my $id=$Apache::inputtags::response[-1];
294: if (!&Apache::response::show_answer()) {
295: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
296: my $maxlength;
297: if ($size eq '') { $size=20; } else {
298: if ($size < 20) {
299: $maxlength = ' maxlength="'.$size.'"';
300: }
301: }
302: my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
303: &Apache::lonxml::debug("oldresponse $oldresponse is ".ref($oldresponse));
304:
305: if (ref($oldresponse) eq 'ARRAY') {
306: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
307: }
308: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
309: $oldresponse =~ s/^\s+//;
310: $oldresponse =~ s/\s+$//;
311: $oldresponse =~ s/\s+/ /g;
312: if ($Apache::lonhomework::type ne 'exam') {
313: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
314: $result='';
315: if ($addchars) {
316: $result.=&addchars('HWVAL_'.$id,$addchars);
317: }
318: my $readonly=&Apache::lonxml::get_param('readonly',$parstack,
319: $safeeval);
320: if (lc($readonly) eq 'yes'
321: || $Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
322: $readonly=' readonly="readonly" ';
323: } else {
324: $readonly='';
325: }
326: my $name = 'HWVAL_'.$id;
327: if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
328: $name = "none";
329: }
330: $result.= '<input onkeydown="javascript:setSubmittedPart(\''.$partid.'\');" type="text" '.$readonly.' name="'.$name.'" value="'.
331: $oldresponse.'" size="'.$size.'"'.$maxlength.' />';
332: }
333: if ($Apache::lonhomework::type eq 'exam'
334: && &needs_exam_box($tagstack)) {
335: $result.=&exam_box($target);
336: }
337: } else {
338: #right or wrong don't show what was last typed in.
339: my $count = scalar(@Apache::inputtags::inputlist)-1;
340: $result='<b>'.$Apache::inputtags::answertxt{$id}[$count].'</b>';
341: #$result='';
342: }
343: } elsif ($target eq 'edit') {
344: $result=&Apache::edit::tag_start($target,$token);
345: $result.=&Apache::edit::text_arg('Size:','size',$token,'5').
346: &Apache::edit::text_arg('Click-On Texts (comma sep):',
347: 'addchars',$token,10);
348: $result.=&Apache::edit::select_arg('Readonly:','readonly',
349: ['no','yes'],$token);
350: $result.=&Apache::edit::end_row();
351: $result.=&Apache::edit::end_table();
352: } elsif ($target eq 'modified') {
353: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
354: $safeeval,'size',
355: 'addchars','readonly');
356: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
357: } elsif ($target eq 'tex'
358: && $Apache::lonhomework::type ne 'exam') {
359: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
360: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
361: if ($env{'form.pdfFormFields'} eq 'yes') {
362: my $fieldname = $env{'request.symb'}.
363: '&part_'. $Apache::inputtags::part.
364: '&textresponse'.
365: '&HWVAL_' . $Apache::inputtags::response['-1'];
366: $result="\n\\\\\n".'\textField{'.$fieldname.'}{'.$size.'}{12 bp}';
367: } else {
368: $result='\framebox['.$size.'][s]{\tiny\strut}';
369: }
370: } elsif ($target eq 'tex'
371: && $Apache::lonhomework::type eq 'exam'
372: && &needs_exam_box($tagstack)) {
373: $result.=&exam_box($target);
374: }
375: return $result;
376: }
377:
378: sub end_textline {
379: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
380: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
381: elsif ($target eq 'edit') { return ('','no'); }
382: &end_input();
383: return "";
384: }
385:
386: sub start_hiddenline {
387: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
388: my $result = "";
389: my $input_id = &start_input($parstack,$safeeval);
390: if ($target eq 'web') {
391: $Apache::lonxml::evaluate--;
392: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
393: my $partid=$Apache::inputtags::part;
394: my $id=$Apache::inputtags::response[-1];
395: my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
396: if (ref($oldresponse) eq 'ARRAY') {
397: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
398: }
399: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
400:
401: if ($Apache::lonhomework::type ne 'exam') {
402: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
403: $oldresponse.'" />';
404: }
405: }
406: } elsif ($target eq 'edit') {
407: $result=&Apache::edit::tag_start($target,$token);
408: $result.=&Apache::edit::end_table;
409: }
410:
411: if ( ($target eq 'web' || $target eq 'tex')
412: && $Apache::lonhomework::type eq 'exam'
413: && &needs_exam_box($tagstack)) {
414: $result.=&exam_box($target);
415: }
416: return $result;
417: }
418:
419: sub end_hiddenline {
420: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
421: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
422: elsif ($target eq 'edit') { return ('','no'); }
423: &end_input();
424: return "";
425: }
426:
427: # $part -> partid
428: # $id -> responseid
429: # $uploadefiletypes -> comma seperated list of extensions allowed or * for any
430: # $which -> 'uploadonly' -> only newly uploaded files
431: # 'portfolioonly' -> only allow files from portfolio
432: # 'both' -> allow files from either location
433: # $extratext -> additional text to go between the link and the input box
434: # $maxfilesize -> maximum cumulative filesize for submitted files (in MB).
435: # returns a table row <tr>
436: sub file_selector {
437: my ($part,$id,$uploadedfiletypes,$which,$extratext,$maxfilesize)=@_;
438: if (!$uploadedfiletypes) { return ''; }
439:
440: my $jspart=$part;
441: $jspart=~s/\./_/g;
442:
443: my $result;
444:
445: $result.='<tr><td>';
446: if (($uploadedfiletypes ne '*') || ($maxfilesize)) {
447: if ($uploadedfiletypes ne '*') {
448: $result.=
449: &mt('Allowed filetypes: [_1]','<b>'.$uploadedfiletypes.'</b>').'<br />';
450: }
451: if ($maxfilesize) {
452: $result.=&mt('Combined size of files not to exceed: [_1] MB[_2].',
453: '<b>'.$maxfilesize.'</b>').'<br />';
454: }
455: $result .= '<br />';
456: }
457: if ($which eq 'uploadonly' || $which eq 'both') {
458: $result.=&mt('Submit a file: (only one file can be uploaded)').
459: ' <br /><input type="file" size="50" name="HWFILE'.
460: $jspart.'_'.$id.'" /><br />';
461: $result .= &show_past_file_submission($part,$id);
462: }
463: if ( $which eq 'both') {
464: $result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
465: }
466: if ($which eq 'portfolioonly' || $which eq 'both') {
467: $result.=$extratext.'<a href='."'".'javascript:void(window.open("/adm/portfolio?mode=selectfile&fieldname='.$env{'form.request.prefix'}.'HWPORT'.$jspart.'_'.$id.'","cat","height=600,width=800,scrollbars=1,resizable=1,menubar=2,location=1"))'."'".'>'.
468: &mt('Select Portfolio Files').'</a><br />'.
469: '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
470: '<br />';
471: $result .= &show_past_portfile_submission($part,$id);
472: }
473: $result.='</td></tr>';
474: return $result;
475: }
476:
477: sub show_past_file_submission {
478: my ($part,$id) = @_;
479: my $uploadedfile= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.uploadedfile"},'<>&"');
480:
481: return if (!$uploadedfile);
482:
483: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
484: &Apache::lonxml::extlink($url);
485: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
486: my $icon=&Apache::loncommon::icon($url);
487: my $curfile='<a href="'.$url.'"><img src="'.$icon.
488: '" border="0" />'.$uploadedfile.'</a>';
489: return &mt('Currently submitted: <tt>[_1]</tt>',$curfile);
490:
491: }
492:
493: sub show_past_portfile_submission {
494: my ($part,$id) = @_;
495: if ($Apache::lonhomework::history{"resource.$part.$id.portfiles"}!~/[^\s]/){
496: return;
497: }
498: my (@file_list,@bad_file_list);
499: foreach my $file (split(/\s*,\s*/,&unescape($Apache::lonhomework::history{"resource.$part.$id.portfiles"}))) {
500: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
501: my $url="/uploaded/$domain/$user/portfolio$file";
502: my $icon=&Apache::loncommon::icon($url);
503: push(@file_list,'<a href="'.$url.'"><img src="'.$icon.
504: '" border="0" />'.$file.'</a>');
505: if (! &Apache::lonnet::stat_file($url)) {
506: &Apache::lonnet::logthis("bad file is $url");
507: push(@bad_file_list,'<a href="'.$url.'"><img src="'.$icon.
508: '" border="0" />'.$file.'</a>');
509: }
510: }
511: my $files = '<span class="LC_filename">'.
512: join('</span>, <span class="LC_filename">',@file_list).
513: '</span>';
514: my $result = &mt("Portfolio files previously selected: [_1]",$files);
515: if (@bad_file_list) {
516: my $bad_files = '<span class="LC_filename">'.
517: join('</span>, <span class="LC_filename">',@bad_file_list).
518: '</span>';
519: $result.='<br />'.&mt('<span class="LC_error">These file(s) don\'t exist:</span> [_1]',$bad_files);
520: }
521: return $result;
522:
523: }
524:
525: sub valid_award {
526: my ($award) =@_;
527: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
528: 'NO_RESPONSE',
529: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
530: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
531: 'UNIT_FAIL', 'NO_UNIT',
532: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
533: 'BAD_FORMULA', 'INTERNAL_ERROR', 'SIG_FAIL', 'INCORRECT',
534: 'MISORDERED_RANK', 'INVALID_FILETYPE',
535: 'EXCESS_FILESIZE', 'DRAFT',
536: 'SUBMITTED', 'ASSIGNED_SCORE',
537: 'APPROX_ANS', 'EXACT_ANS','COMMA_FAIL') {
538: if ($award eq $possibleaward) { return 1; }
539: }
540: return 0;
541: }
542:
543: {
544: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
545: 'TOO_LONG',
546: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
547: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
548: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA', 'INTERNAL_ERROR',
549: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
550: 'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'DRAFT', 'SUBMITTED',
551: 'ASSIGNED_SCORE', 'APPROX_ANS', 'EXACT_ANS');
552: my $i=0;
553: my %fwd_awards = map { ($_,$i++) } @awards;
554: my $max=scalar(@awards);
555: @awards=reverse(@awards);
556: $i=0;
557: my %rev_awards = map { ($_,$i++) } @awards;
558:
559: sub awarddetail_to_awarded {
560: my ($awarddetail) = @_;
561: if ($awarddetail eq 'EXACT_ANS'
562: || $awarddetail eq 'APPROX_ANS') {
563: return 1;
564: }
565: return 0;
566: }
567:
568: sub hide_award {
569: my ($award) = @_;
570: if (&Apache::lonhomework::show_no_problem_status()) {
571: return 1;
572: }
573: if ($award =~
574: /^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|ASSIGNED_SCORE|INCORRECT)/) {
575: return 1;
576: }
577: return 0;
578: }
579:
580: sub finalizeawards {
581: my ($awardref,$msgref,$nameref,$reverse,$final_scantron)=@_;
582: my $result;
583: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
584: if ($result eq '' ) {
585: my $blankcount;
586: foreach my $award (@$awardref) {
587: if ($award eq '') {
588: $result='MISSING_ANSWER';
589: $blankcount++;
590: }
591: }
592: if ($blankcount == ($#$awardref + 1)) {
593: return ('NO_RESPONSE');
594: }
595: }
596:
597: if ($Apache::lonxml::internal_error) { $result='INTERNAL_ERROR'; }
598:
599: if (!$final_scantron && defined($result)) { return ($result); }
600:
601: # if in scantron mode, if the award for any response is
602: # assigned score, then the part gets an assigned score
603: if ($final_scantron
604: && grep {$_ eq 'ASSIGNED_SCORE'} (@$awardref)) {
605: return ('ASSIGNED_SCORE');
606: }
607:
608: # if in scantron mode, if the award for any response is
609: # correct and there are non-correct responses,
610: # then the part gets an assigned score
611: if ($final_scantron
612: && (grep { $_ eq 'EXACT_ANS' ||
613: $_ eq 'APPROX_ANS' } (@$awardref))
614: && (grep { $_ ne 'EXACT_ANS' &&
615: $_ ne 'APPROX_ANS' } (@$awardref))) {
616: return ('ASSIGNED_SCORE');
617: }
618: # these awards are ordered from most important error through best correct
619: my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
620:
621: my $best = $max;
622: my $j=0;
623: my $which;
624: foreach my $award (@$awardref) {
625: if ($awards->{$award} < $best) {
626: $best = $awards->{$award};
627: $which = $j;
628: }
629: $j++;
630: }
631:
632: if (defined($which)) {
633: if (ref($nameref)) {
634: return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
635: } else {
636: return ($$awardref[$which],$$msgref[$which]);
637: }
638: }
639: return ('ERROR',undef);
640: }
641: }
642:
643: sub decideoutput {
644: my ($award,$awarded,$awardmsg,$solved,$previous,$target)=@_;
645: my $message='';
646: my $button=0;
647: my $previousmsg;
648: my $css_class='orange';
649: my $added_computer_text=0;
650: my %possible_class =
651: ( 'correct' => 'LC_answer_correct',
652: 'charged_try' => 'LC_answer_charged_try',
653: 'not_charged_try' => 'LC_answer_not_charged_try',
654: 'no_grade' => 'LC_answer_no_grade',
655: 'no_message' => 'LC_no_message',
656: );
657:
658: my $part = $Apache::inputtags::part;
659: my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade");
660: my $handgrade = ('yes' eq lc($tohandgrade));
661:
662: my $computer = ($handgrade)? ''
663: : " ".&mt("Computer's answer now shown above.");
664: &Apache::lonxml::debug("handgrade has :$handgrade:");
665:
666: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
667:
668: if ($solved =~ /^correct/) {
669: $css_class=$possible_class{'correct'};
670: $message=&mt('You are correct.');
671: if ($awarded < 1 && $awarded > 0) {
672: $message=&mt('You are partially correct.');
673: $css_class=$possible_class{'not_charged_try'};
674: } elsif ($awarded < 1) {
675: $message=&mt('Incorrect.');
676: $css_class=$possible_class{'charged_try'};
677: }
678: if ($env{'request.filename'} =~
679: m|/res/lib/templates/examupload.problem$|) {
680: $message = &mt("A score has been assigned.");
681: $added_computer_text=1;
682: } else {
683: if ($target eq 'tex') {
684: $message = '\textbf{'.$message.'}';
685: } else {
686: $message = "<b>".$message."</b>";
687: $message.= $computer;
688: }
689: $added_computer_text=1;
690: if ($awarded > 0) {
691: my ($symb) = &Apache::lonnet::whichuser();
692: if (($symb ne '')
693: &&
694: ($env{'course.'.$env{'request.course.id'}.
695: '.disable_receipt_display'} ne 'yes') &&
696: ($Apache::lonhomework::type ne 'practice')) {
697: $message.=(($target eq 'web')?'<br />':' ').
698: &mt('Your receipt is [_1]',
699: (&Apache::lonnet::receipt($Apache::inputtags::part).
700: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
701: }
702: }
703: }
704: $button=0;
705: $previousmsg='';
706: } elsif ($solved =~ /^excused/) {
707: if ($target eq 'tex') {
708: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
709: } else {
710: $message = "<b>".&mt('You are excused from the problem.')."</b>";
711: }
712: $css_class=$possible_class{'charged_try'};
713: $button=0;
714: $previousmsg='';
715: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
716: if ($solved =~ /^incorrect/ || $solved eq '') {
717: $message = &mt("Incorrect").".";
718: $css_class=$possible_class{'charged_try'};
719: $button=1;
720: } else {
721: if ($target eq 'tex') {
722: $message = '\textbf{'.&mt('You are correct.').'}';
723: } else {
724: $message = "<b>".&mt('You are correct.')."</b>";
725: $message.= $computer;
726: }
727: $added_computer_text=1;
728: if ($awarded > 0
729: && $env{'course.'.
730: $env{'request.course.id'}.
731: '.disable_receipt_display'} ne 'yes') {
732: $message.=(($target eq 'web')?'<br />':' ').
733: &mt('Your receipt is [_1]',
734: (&Apache::lonnet::receipt($Apache::inputtags::part).
735: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
736: }
737: $css_class=$possible_class{'correct'};
738: $button=0;
739: $previousmsg='';
740: }
741: } elsif ($award eq 'NO_RESPONSE') {
742: $message = '';
743: $css_class=$possible_class{'no_feedback'};
744: $button=1;
745: } elsif ($award eq 'EXTRA_ANSWER') {
746: $message = &mt('Some extra items were submitted.');
747: $css_class=$possible_class{'not_charged_try'};
748: $button = 1;
749: } elsif ($award eq 'MISSING_ANSWER') {
750: $message = &mt('Some items were not submitted.');
751: if ($target ne 'tex') {
752: $message .= &Apache::loncommon::help_open_topic('Some_Items_Were_Not_Submitted');
753: }
754: $css_class=$possible_class{'not_charged_try'};
755: $button = 1;
756: } elsif ($award eq 'ERROR') {
757: $message = &mt('An error occurred while grading your answer.');
758: $css_class=$possible_class{'not_charged_try'};
759: $button = 1;
760: } elsif ($award eq 'TOO_LONG') {
761: $message = &mt("The submitted answer was too long.");
762: $css_class=$possible_class{'not_charged_try'};
763: $button=1;
764: } elsif ($award eq 'WANTED_NUMERIC') {
765: $message = &mt("This question expects a numeric answer.");
766: $css_class=$possible_class{'not_charged_try'};
767: $button=1;
768: } elsif ($award eq 'MISORDERED_RANK') {
769: $message = &mt('You have provided an invalid ranking.');
770: if ($target ne 'tex') {
771: $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems')));
772: }
773: $css_class=$possible_class{'not_charged_try'};
774: $button=1;
775: } elsif ($award eq 'EXCESS_FILESIZE') {
776: $message = &mt('Submission won\'t be graded. The combined size of submitted files exceeded the amount allowed.');
777: $css_class=$possible_class{'not_charged_try'};
778: $button=1;
779: } elsif ($award eq 'INVALID_FILETYPE') {
780: $message = &mt('Submission won\'t be graded. The type of file submitted is not allowed.');
781: $css_class=$possible_class{'not_charged_try'};
782: $button=1;
783: } elsif ($award eq 'SIG_FAIL') {
784: my ($used,$min,$max)=split(':',$awardmsg);
785: my $word = ($used < $min) ? 'more' : 'fewer';
786: $message = &mt("Submission not graded. Use $word digits.",$used);
787: $css_class=$possible_class{'not_charged_try'};
788: $button=1;
789: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
790: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
791: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
792: $css_class=$possible_class{'not_charged_try'};
793: $button=1;
794: } elsif ($award eq 'UNIT_INVALID_STUDENT') {
795: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
796: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
797: $css_class=$possible_class{'not_charged_try'};
798: $button=1;
799: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
800: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
801: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
802: $css_class=$possible_class{'not_charged_try'};
803: $button=1;
804: } elsif ($award eq 'UNIT_NOTNEEDED') {
805: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
806: $css_class=$possible_class{'not_charged_try'};
807: $button=1;
808: } elsif ($award eq 'NO_UNIT') {
809: $message = &mt("Units required").'.';
810: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
811: $css_class=$possible_class{'not_charged_try'};
812: $button=1;
813: } elsif ($award eq 'COMMA_FAIL') {
814: $message = &mt("Proper comma separation is required").'.';
815: $css_class=$possible_class{'not_charged_try'};
816: $button=1;
817: } elsif ($award eq 'BAD_FORMULA') {
818: $message = &mt("Unable to understand formula").'.';
819: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')};
820: $css_class=$possible_class{'not_charged_try'};
821: $button=1;
822: } elsif ($award eq 'INTERNAL_ERROR') {
823: $message = &mt("An internal error occurred while processing your answer. Please try again later.");
824: $css_class=$possible_class{'not_charged_try'};
825: $button=1;
826: } elsif ($award eq 'INCORRECT') {
827: $message = &mt("Incorrect").'.';
828: $css_class=$possible_class{'charged_try'};
829: $button=1;
830: } elsif ($award eq 'SUBMITTED') {
831: $message = &mt("Your submission has been recorded.");
832: $css_class=$possible_class{'no_grade'};
833: $button=1;
834: } elsif ($award eq 'DRAFT') {
835: $message = &mt("A draft copy has been saved.");
836: $css_class=$possible_class{'not_charged_try'};
837: $button=1;
838: } elsif ($award eq 'ASSIGNED_SCORE') {
839: $message = &mt("A score has been assigned.");
840: $css_class=$possible_class{'correct'};
841: $button=0;
842: } elsif ($award eq '') {
843: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
844: $message = &mt("Nothing submitted.");
845: $css_class=$possible_class{'charged_try'};
846: } else {
847: $css_class=$possible_class{'not_charged_try'};
848: }
849: $button=1;
850: } else {
851: $message = &mt("Unknown message").": $award";
852: $button=1;
853: }
854: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
855: foreach my $resid(@Apache::inputtags::response){
856: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
857: $message.='<br />';
858: my @files = split(/\s*,\s*/,
859: $Apache::lonhomework::history{"resource.$part.$resid.handback"});
860: my $file_msg;
861: foreach my $file (@files) {
862: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
863: }
864: $message .= &mt('Returned file(s): [_1]',$file_msg);
865: }
866: }
867:
868: if (&Apache::lonhomework::hide_problem_status()
869: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
870: && &hide_award($award)) {
871: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
872: $css_class=$possible_class{'no_grade'};
873: $button=1;
874: }
875: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
876: !$added_computer_text && $target ne 'tex') {
877: $message.= $computer;
878: $added_computer_text=1;
879: }
880: if ($Apache::lonhomework::type eq 'practice') {
881: if ($target eq 'web') {
882: $message .= '<br />';
883: } else {
884: $message .= ' ';
885: }
886: $message.=&mt('Submissions to practice problems are not permanently recorded.');
887: }
888:
889: return ($button,$css_class,$message,$previousmsg);
890: }
891:
892: sub markup_unit {
893: my ($unit,$target)=@_;
894: if ($target eq 'tex') {
895: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
896: } else {
897: return "<tt>".$unit."</tt>";
898: }
899: }
900:
901: sub removealldata {
902: my ($id)=@_;
903: foreach my $key (keys(%Apache::lonhomework::results)) {
904: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
905: &Apache::lonxml::debug("Removing $key");
906: delete($Apache::lonhomework::results{$key});
907: }
908: }
909: }
910:
911: sub hidealldata {
912: my ($id)=@_;
913: foreach my $key (keys(%Apache::lonhomework::results)) {
914: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
915: &Apache::lonxml::debug("Hidding $key");
916: my $newkey=$key;
917: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
918: $Apache::lonhomework::results{$newkey}=
919: $Apache::lonhomework::results{$key};
920: delete($Apache::lonhomework::results{$key});
921: }
922: }
923: }
924:
925: sub setgradedata {
926: my ($award,$msg,$id,$previously_used) = @_;
927: if ($Apache::lonhomework::scantronmode &&
928: &Apache::lonnet::validCODE($env{'form.CODE'})) {
929: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
930: } elsif ($Apache::lonhomework::scantronmode &&
931: $env{'form.CODE'} eq '' &&
932: $Apache::lonhomework::history{"resource.CODE"} ne '') {
933: $Apache::lonhomework::results{"resource.CODE"}='';
934: }
935:
936: if (!$Apache::lonhomework::scantronmode &&
937: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
938: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
939: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
940: return '';
941: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
942: /^correct/
943: || $Apache::lonhomework::scantronmode
944: || &Apache::lonhomework::hide_problem_status() ) {
945: # the student doesn't already have it correct,
946: # or we are in a mode (scantron orno problem status) where a correct
947: # can become incorrect
948: # handle assignment of tries and solved status
949: my $solvemsg;
950: if ($Apache::lonhomework::scantronmode) {
951: $solvemsg='correct_by_scantron';
952: } else {
953: $solvemsg='correct_by_student';
954: }
955: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
956: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
957: }
958: if ( $award eq 'ASSIGNED_SCORE') {
959: $Apache::lonhomework::results{"resource.$id.tries"} =
960: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
961: $Apache::lonhomework::results{"resource.$id.solved"} =
962: $solvemsg;
963: my $numawards=scalar(@Apache::inputtags::response);
964: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
965: foreach my $res (@Apache::inputtags::response) {
966: if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
967: $Apache::lonhomework::results{"resource.$id.awarded"}+=
968: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
969: } else {
970: $Apache::lonhomework::results{"resource.$id.awarded"}+=
971: &awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
972: }
973: }
974: if ($numawards > 0) {
975: $Apache::lonhomework::results{"resource.$id.awarded"}/=
976: $numawards;
977: }
978: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
979: $Apache::lonhomework::results{"resource.$id.tries"} =
980: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
981: $Apache::lonhomework::results{"resource.$id.solved"} =
982: $solvemsg;
983: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
984: } elsif ( $award eq 'INCORRECT' ) {
985: $Apache::lonhomework::results{"resource.$id.tries"} =
986: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
987: if (&Apache::lonhomework::hide_problem_status()
988: || $Apache::lonhomework::scantronmode) {
989: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
990: }
991: $Apache::lonhomework::results{"resource.$id.solved"} =
992: 'incorrect_attempted';
993: } elsif ( $award eq 'SUBMITTED' ) {
994: $Apache::lonhomework::results{"resource.$id.tries"} =
995: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
996: $Apache::lonhomework::results{"resource.$id.solved"} =
997: 'ungraded_attempted';
998: } elsif ( $award eq 'DRAFT' ) {
999: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1000: } elsif ( $award eq 'NO_RESPONSE' ) {
1001: #no real response so delete any data that got stored
1002: &removealldata($id);
1003: return '';
1004: } else {
1005: $Apache::lonhomework::results{"resource.$id.solved"} =
1006: 'incorrect_attempted';
1007: if (&Apache::lonhomework::show_no_problem_status()
1008: || $Apache::lonhomework::scantronmode) {
1009: $Apache::lonhomework::results{"resource.$id.tries"} =
1010: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1011: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1012: }
1013:
1014: if (&Apache::lonhomework::show_some_problem_status()) {
1015: # clear out the awarded if they had gotten it wrong/right
1016: # and are now in an error mode
1017: $Apache::lonhomework::results{"resource.$id.awarded"} = '';
1018: }
1019: }
1020: if (defined($msg)) {
1021: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
1022: }
1023: # did either of the overall awards chage? If so ignore the
1024: # previous check
1025: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
1026: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
1027: ($Apache::lonhomework::results{"resource.$id.solved"} eq
1028: $Apache::lonhomework::history{"resource.$id.solved"})) {
1029: # check if this was a previous submission if it was delete the
1030: # unneeded data and update the previously_used attribute
1031: if ( $previously_used eq 'PREVIOUSLY_USED') {
1032: if (&Apache::lonhomework::show_problem_status()) {
1033: delete($Apache::lonhomework::results{"resource.$id.tries"});
1034: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
1035: }
1036: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1037: #delete all data as they student didn't do anything, but save
1038: #the list of collaborators.
1039: &removealldata($id);
1040: #and since they didn't do anything we were never here
1041: return '';
1042: } else {
1043: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1044: }
1045: }
1046: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~
1047: /^correct/ ) {
1048: #delete all data as they student already has it correct
1049: &removealldata($id);
1050: #and since they didn't do anything we were never here
1051: return '';
1052: }
1053: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1054: if ($award eq 'SUBMITTED') {
1055: &Apache::response::add_to_gradingqueue();
1056: }
1057: }
1058:
1059: sub find_which_previous {
1060: my ($version) = @_;
1061: my $part = $Apache::inputtags::part;
1062: my (@previous_version);
1063: foreach my $resp (@Apache::inputtags::response) {
1064: my $key = "$version:resource.$part.$resp.submission";
1065: my $submission = $Apache::lonhomework::history{$key};
1066: my %previous = &Apache::response::check_for_previous($submission,
1067: $part,$resp,
1068: $version);
1069: push(@previous_version,$previous{'version'});
1070: }
1071: return &previous_match(\@previous_version,
1072: scalar(@Apache::inputtags::response));
1073: }
1074:
1075: sub previous_match {
1076: my ($previous_array,$count) = @_;
1077: my $match = 0;
1078: my @matches;
1079: foreach my $versionar (@$previous_array) {
1080: foreach my $version (@$versionar) {
1081: $matches[$version]++;
1082: }
1083: }
1084: my $which=0;
1085: foreach my $elem (@matches) {
1086: if ($elem eq $count) {
1087: $match=1;
1088: last;
1089: }
1090: $which++;
1091: }
1092: return ($match,$which);
1093: }
1094:
1095: sub grade {
1096: my ($target) = @_;
1097: my $id = $Apache::inputtags::part;
1098: my $response='';
1099: if ( defined $env{'form.submitted'}) {
1100: my (@awards,@msgs);
1101: foreach $response (@Apache::inputtags::response) {
1102: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
1103: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1104: &Apache::lonxml::debug("keeping $value from $response for $id");
1105: push (@awards,$value);
1106: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
1107: &Apache::lonxml::debug("got message $value from $response for $id");
1108: push (@msgs,$value);
1109: }
1110: my ($finalaward,$msg) =
1111: &finalizeawards(\@awards,\@msgs,undef,undef,
1112: $Apache::lonhomework::scantronmode);
1113: my $previously_used;
1114: if ( $#Apache::inputtags::previous eq $#awards ) {
1115: my ($match) =
1116: &previous_match(\@Apache::inputtags::previous_version,
1117: scalar(@Apache::inputtags::response));
1118:
1119: if ($match) {
1120: $previously_used = 'PREVIOUSLY_LAST';
1121: foreach my $value (@Apache::inputtags::previous) {
1122: if ($value eq 'PREVIOUSLY_USED' ) {
1123: $previously_used = $value;
1124: last;
1125: }
1126: }
1127: }
1128: }
1129: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
1130: &setgradedata($finalaward,$msg,$id,$previously_used);
1131: }
1132: return '';
1133: }
1134:
1135: sub get_grade_messages {
1136: my ($id,$prefix,$target,$status) = @_;
1137:
1138: my ($message,$latemessage,$trystr,$previousmsg);
1139: my $showbutton = 1;
1140:
1141: my $award = $Apache::lonhomework::history{"$prefix.award"};
1142: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1143: my $solved = $Apache::lonhomework::history{"$prefix.solved"};
1144: my $previous = $Apache::lonhomework::history{"$prefix.previous"};
1145: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
1146: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1147: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1148: &Apache::lonxml::debug('Getting message');
1149: ($showbutton,my $css_class,$message,$previousmsg) =
1150: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1151: $target);
1152: if ($target eq 'tex') {
1153: $message='\vskip 2 mm '.$message.' ';
1154: } else {
1155: $message="<td class=\"$css_class\">$message</td>";
1156: if ($previousmsg) {
1157: $previousmsg="<td class=\"LC_answer_previous\">$previousmsg</td>";
1158: }
1159: }
1160: }
1161: my $tries = $Apache::lonhomework::history{"$prefix.tries"};
1162: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1163: &Apache::lonxml::debug("got maxtries of :$maxtries:");
1164: #if tries are set to negative turn off the Tries/Button and messages
1165: if (defined($maxtries) && $maxtries < 0) { return ''; }
1166: if ( $tries eq '' ) { $tries = '0'; }
1167: if ( $maxtries eq '' ) { $maxtries = '2'; }
1168: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
1169: my $tries_text=&mt('Tries');
1170: if ( $Apache::lonhomework::type eq 'survey' ||
1171: $Apache::lonhomework::parsing_a_task) {
1172: $tries_text=&mt('Submissions');
1173: }
1174:
1175: if ($showbutton) {
1176: if ($target eq 'tex') {
1177: if ($env{'request.state'} ne "construct"
1178: && $Apache::lonhomework::type ne 'exam'
1179: && $env{'form.suppress_tries'} ne 'yes') {
1180: $trystr = ' {\vskip 1 mm \small \textit{'.$tries_text.'} '.
1181: $tries.'/'.$maxtries.'} \vskip 2 mm ';
1182: } else {
1183: $trystr = '\vskip 0 mm ';
1184: }
1185: } else {
1186: $trystr = "<td><nobr>".$tries_text." $tries";
1187: if ($Apache::lonhomework::parsing_a_task) {
1188: } elsif($env{'request.state'} ne 'construct') {
1189: $trystr.="/$maxtries";
1190: } else {
1191: if (defined($Apache::inputtags::params{'maxtries'})) {
1192: $trystr.="/".$Apache::inputtags::params{'maxtries'};
1193: }
1194: }
1195: $trystr.="</nobr></td>";
1196: }
1197: }
1198:
1199: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
1200: #last submissions was after due date
1201: $latemessage=&mt(' The last submission was after the Due Date ');;
1202: if ($target eq 'web') {
1203: $latemessage='<td class="LC_answer_late">'.$latemessage.'</td>';
1204: }
1205: }
1206: return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
1207: }
1208:
1209: sub gradestatus {
1210: my ($id,$target,$no_previous) = @_;
1211: my $showbutton = 1;
1212: my $message = '';
1213: my $latemessage = '';
1214: my $trystr='';
1215: my $button='';
1216: my $previousmsg='';
1217:
1218: my $status = $Apache::inputtags::status['-1'];
1219: &Apache::lonxml::debug("gradestatus has :$status:");
1220: if ( $status ne 'CLOSED'
1221: && $status ne 'UNAVAILABLE'
1222: && $status ne 'INVALID_ACCESS'
1223: && $status ne 'NEEDS_CHECKIN'
1224: && $status ne 'NOT_IN_A_SLOT') {
1225:
1226: ($previousmsg,$latemessage,$message,$trystr) =
1227: &get_grade_messages($id,"resource.$id",$target,$status,
1228: $showbutton);
1229: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {
1230: $showbutton = 0;
1231: }
1232: if ( $status eq 'SHOW_ANSWER') {
1233: undef($previousmsg);
1234: }
1235: if ( $showbutton ) {
1236: if ($target ne 'tex') {
1237: $button =
1238: '<input
1239: onmouseup="javascript:setSubmittedPart(\''.$id.'\')"
1240: onsubmit="javascript:setSubmittedPart(\''.$id.'\')"
1241: type="submit" name="submit_'.$id.'"
1242: value="'.&mt('Submit Answer').'" />';
1243: }
1244: }
1245:
1246: }
1247: my $output= $previousmsg.$latemessage.$message.$trystr;
1248: if ($output =~ /^\s*$/) {
1249: return $button;
1250: } else {
1251: if ($target eq 'tex') {
1252: return $button.' \vskip 0 mm '.$output.' ';
1253: } else {
1254: $output =
1255: '<table><tr><td>'.$button.'</td>'.$output;
1256: if (!$no_previous) {
1257: $output.='<td>'.&previous_tries($id,$target).'</td>';
1258: }
1259: $output.= '</tr></table>';
1260: return $output;
1261: }
1262: }
1263: }
1264:
1265: sub previous_tries {
1266: my ($id,$target) = @_;
1267: my $output;
1268: my $status = $Apache::inputtags::status['-1'];
1269:
1270: my $count;
1271: my %count_lookup;
1272:
1273: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1274: my $prefix = $i.":resource.$id";
1275:
1276: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1277: $count++;
1278: $count_lookup{$i} = $count;
1279:
1280: my ($previousmsg,$latemessage,$message,$trystr);
1281:
1282: ($previousmsg,$latemessage,$message,$trystr) =
1283: &get_grade_messages($id,"$prefix",$target,$status);
1284:
1285: if ($previousmsg ne '') {
1286: my ($match,$which) = &find_which_previous($i);
1287: $message=$previousmsg;
1288: my $previous = $count_lookup{$which};
1289: $message =~ s{(</td>)}{ as submission \# $previous $1};
1290: } elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1291: if (!(&Apache::lonhomework::hide_problem_status()
1292: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
1293: && $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
1294: ) {
1295:
1296: my $txt_correct = &mt('Correct');
1297: $message =~ s{(<td.*?>)(.*?)(</td>)}
1298: {$1 <strong>$txt_correct</strong>. $3}s;
1299: }
1300: my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1301: $message =~ s{(</td>)}{ $trystr $1};
1302: }
1303: my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
1304: $message =~ s{(<td.*?>)}{<td>};
1305:
1306:
1307: $output.='<tr class="'.$class.'">';
1308: $output.='<td align="center">'.$count.'</td>';
1309: $output.=$message;
1310:
1311: foreach my $resid (@Apache::inputtags::response) {
1312: my $prefix = $prefix.".$resid";
1313: if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
1314: my $submission =
1315: $Apache::inputtags::submission_display{"$prefix.submission"};
1316: if (!defined($submission)) {
1317: $submission =
1318: $Apache::lonhomework::history{"$prefix.submission"};
1319: }
1320: $output.='<td>'.$submission.'</td>';
1321: } else {
1322: $output.='<td></td>';
1323: }
1324: }
1325: $output.=&Apache::loncommon::end_data_table_row()."\n";
1326: }
1327: return if ($output eq '');
1328: my $headers =
1329: '<tr>'.'<th>'.&mt('Submission #').'</th><th>'.&mt('Try').
1330: '</th><th colspan="'.scalar(@Apache::inputtags::response).'">'.
1331: &mt('Submitted Answer').'</th>';
1332: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1333: #return $output;
1334: $output = &Apache::loncommon::js_ready($output);
1335: $output.='<br /><form action=""><center><input type="button" name="close" value="'.&mt('Close Window').'" onClick="window.close()" /></center></form>';
1336:
1337: my $windowopen=&Apache::lonhtmlcommon::javascript_docopen();
1338: my $start_page =
1339: &Apache::loncommon::start_page('Previous Tries', undef,
1340: {'only_body' => 1,
1341: 'bgcolor' => '#FFFFFF',
1342: 'js_ready' => 1,
1343: 'inherit_jsmath' => 1, });
1344: my $end_page =
1345: &Apache::loncommon::end_page({'js_ready' => 1,});
1346: my $prefix = $env{'form.request.prefix'};
1347: $prefix =~ tr{.}{_};
1348: my $function_name = "LONCAPA_previous_tries_".$prefix.
1349: $Apache::lonxml::curdepth.'_'.$env{'form.counter'};
1350: my $result ="<script type=\"text/javascript\">
1351: // <![CDATA[
1352: function $function_name() {newWindow=open('','new_W','width=500,height=500,scrollbars=1,resizable=yes');newWindow.$windowopen;newWindow.document.writeln('$start_page $output $end_page');newWindow.document.close();newWindow.focus()}
1353: // ]]>
1354: </script><a href=\"javascript:$function_name();void(0);\">".&mt("Previous Tries")."</a><br />";
1355: #use Data::Dumper;
1356: #&Apache::lonnet::logthis(&Dumper(\%Apache::inputtags::submission_display));
1357: return $result;
1358: }
1359:
1360: 1;
1361: __END__
1362:
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