1: # The LearningOnline Network with CAPA
2: # input definitons
3: #
4: # $Id: inputtags.pm,v 1.271.2.10 2013/04/30 21:45:47 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: =pod
29:
30: =head1 NAME
31:
32: Apache::inputtags
33:
34: =head1 SYNOPSIS
35:
36:
37:
38: This is part of the LearningOnline Network with CAPA project
39: described at http://www.lon-capa.org.
40:
41:
42: =head1 NOTABLE SUBROUTINES
43:
44: =over
45:
46: =item
47:
48: =back
49:
50: =cut
51:
52: package Apache::inputtags;
53: use HTML::Entities();
54: use strict;
55: use Apache::loncommon;
56: use Apache::lonhtmlcommon;
57: use Apache::lonlocal;
58: use Apache::lonnet;
59: use LONCAPA;
60:
61:
62: BEGIN {
63: &Apache::lonxml::register('Apache::inputtags',('hiddensubmission','hiddenline','textfield','textline'));
64: }
65:
66: =pod
67:
68: =item initialize_inputtags()
69:
70: Initializes a set of global variables used during the parse of the problem.
71:
72: @Apache::inputtags::input - List of current input ids.
73: @Apache::inputtags::inputlist - List of all input ids seen this problem.
74: @Apache::inputtags::response - List of all current resopnse ids.
75: @Apache::inputtags::responselist - List of all response ids seen this
76: problem.
77: @Apache::inputtags::hint - List of all hint ids.
78: @Apache::inputtags::hintlist - List of all hint ids seen this problem.
79: @Apache::inputtags::previous - List describing if specific responseds
80: have been used
81: @Apache::inputtags::previous_version - Submission responses were used in.
82: $Apache::inputtags::part - Current part id (valid only in
83: <problem>)
84: 0 if not in a part.
85: @Apache::inputtags::partlist - List of part ids seen in the current
86: <problem>
87: @Apache::inputtags::status - List of problem statuses. First
88: element is the status of the <problem>
89: the remainder are for individual <part>s.
90: %Apache::inputtags::params - Hash of defined parameters for the
91: current response.
92: @Apache::inputtags::import - List of all ids for <import> thes get
93: join()ed and prepended.
94: @Apache::inputtags::importlist - List of all import ids seen.
95: $Apache::inputtags::response_with_no_part
96: - Flag set true if we have seen a response
97: that is not inside a <part>
98: %Apache::inputtags::answertxt - <*response> tags store correct
99: answer strings for display by <textline/>
100: in this hash.
101: %Apache::inputtags::submission_display
102: - <*response> tags store improved display
103: of submission strings for display by part
104: end.
105:
106: =cut
107:
108: sub initialize_inputtags {
109: @Apache::inputtags::input=();
110: @Apache::inputtags::inputlist=();
111: @Apache::inputtags::response=();
112: @Apache::inputtags::responselist=();
113: @Apache::inputtags::hint=();
114: @Apache::inputtags::hintlist=();
115: @Apache::inputtags::previous=();
116: @Apache::inputtags::previous_version=();
117: $Apache::inputtags::part='';
118: @Apache::inputtags::partlist=();
119: @Apache::inputtags::status=();
120: %Apache::inputtags::params=();
121: @Apache::inputtags::import=();
122: @Apache::inputtags::importlist=();
123: $Apache::inputtags::response_with_no_part=0;
124: %Apache::inputtags::answertxt=();
125: %Apache::inputtags::submission_display=();
126: }
127:
128: sub check_for_duplicate_ids {
129: my %check;
130: foreach my $id (@Apache::inputtags::partlist,
131: @Apache::inputtags::responselist,
132: @Apache::inputtags::hintlist,
133: @Apache::inputtags::importlist) {
134: $check{$id}++;
135: }
136: my @duplicates;
137: foreach my $id (sort(keys(%check))) {
138: if ($check{$id} > 1) {
139: push(@duplicates,$id);
140: }
141: }
142: if (@duplicates) {
143: &Apache::lonxml::error("Duplicated ids found, problem will operate incorrectly. Duplicated ids seen: ",join(', ',@duplicates));
144: }
145: }
146:
147: sub start_input {
148: my ($parstack,$safeeval)=@_;
149: my $id = &Apache::lonxml::get_id($parstack,$safeeval);
150: push (@Apache::inputtags::input,$id);
151: push (@Apache::inputtags::inputlist,$id);
152: return $id;
153: }
154:
155: sub end_input {
156: pop @Apache::inputtags::input;
157: return '';
158: }
159:
160: sub addchars {
161: my ($fieldid,$addchars)=@_;
162: my $output='';
163: foreach (split(/\,/,$addchars)) {
164: $output.='<a href="javascript:void(document.forms.lonhomework.'.
165: $fieldid.'.value+=\''.$_.'\')">'.$_.'</a> ';
166: }
167: return $output;
168: }
169:
170: sub start_textfield {
171: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
172: my $result = "";
173: my $id = &start_input($parstack,$safeeval);
174: my $resid=$Apache::inputtags::response[-1];
175: if ($target eq 'web') {
176: $Apache::lonxml::evaluate--;
177: my $partid=$Apache::inputtags::part;
178: my ($oldresponse,$newvariation);
179: if ((($Apache::lonhomework::history{"resource.$partid.type"} eq 'randomizetry') ||
180: ($Apache::lonhomework::type eq 'randomizetry')) &&
181: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
182: if ($env{'form.'.$partid.'.rndseed'} ne
183: $Apache::lonhomework::history{"resource.$partid.rndseed"}) {
184: $newvariation = 1;
185: }
186: }
187: unless ($newvariation) {
188: if ((($env{'form.grade_username'} eq '') && ($env{'form.grade_domain'} eq '')) ||
189: (($env{'form.grade_username'} eq $env{'user.name'}) &&
190: ($env{'form.grade_domain'} eq $env{'user.domain'}))) {
191: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$resid.submission"};
192: } elsif (($Apache::lonhomework::history{"resource.$partid.type"} eq 'anonsurvey') ||
193: ($Apache::lonhomework::history{"resource.$partid.type"} eq 'anonsurveycred')) {
194: $oldresponse = '* '.&mt('only shown to submitter').' *';
195: } else {
196: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$resid.submission"};
197: }
198: }
199: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
200: my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
201: if ( $cols eq '') { $cols = 80; }
202: my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
203: if ( $rows eq '') { $rows = 16; }
204: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
205: $result='';
206: if ($addchars) {
207: $result.=&addchars('HWVAL_'.$resid,$addchars);
208: }
209: my $textareaclass = 'class="LC_richDetectHtml"';
210: $result.= '<textarea wrap="hard" name="HWVAL_'.$resid.'" id="HWVAL_'.$resid.'" '.
211: 'rows="'.$rows.'" cols="'.$cols.'" '.$textareaclass.'>'.
212: &HTML::Entities::encode($oldresponse,'<>&"');
213: if ($oldresponse ne '') {
214:
215: #get rid of any startup text if the user has already responded
216: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
217: }
218: } else {
219: #show past answer in the essayresponse case
220: if ($oldresponse =~ /\S/
221: && &Apache::londefdef::is_inside_of($tagstack,
222: 'essayresponse') ) {
223: $result='<table class="LC_pastsubmission"><tr><td>'.
224: $oldresponse.'</td></tr></table>';
225: }
226: #get rid of any startup text
227: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
228: }
229: } elsif ($target eq 'grade') {
230: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser,
231: $style);
232: if ($seedtext eq $env{'form.HWVAL_'.$resid}) {
233: # if the seed text is still there it wasn't a real submission
234: $env{'form.HWVAL_'.$resid}='';
235: }
236: } elsif ($target eq 'edit') {
237: $result.=&Apache::edit::tag_start($target,$token);
238: $result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
239: $result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
240: $result.=&Apache::edit::text_arg
241: ('Click-On Texts (comma sep):','addchars',$token,10);
242: my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser,
243: $style);
244: $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
245: } elsif ($target eq 'modified') {
246: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
247: $safeeval,'rows','cols',
248: 'addchars');
249: if ($constructtag) {
250: $result = &Apache::edit::rebuild_tag($token);
251: } else {
252: $result=$token->[4];
253: }
254: $result.=&Apache::edit::modifiedfield("/textfield",$parser);
255: } elsif ($target eq 'tex') {
256: my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
257: my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
258: if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
259: $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
260: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
261: $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
262: } else {
263: my $TeXwidth=$width_of_box/80;
264: $result = '\vskip 1 mm \fbox{\fbox{\parbox{'.$TeXwidth.'\textwidth-5mm}{';
265: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
266: $result.='}}}\vskip 2 mm ';
267: }
268: }
269: return $result;
270: }
271:
272: sub end_textfield {
273: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
274: my $result;
275: if ($target eq 'web') {
276: $Apache::lonxml::evaluate++;
277: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
278: return "</textarea>";
279: }
280: } elsif ($target eq 'edit') {
281: $result=&Apache::edit::end_table();
282: }
283: &end_input;
284: return $result;
285: }
286:
287: sub exam_score_line {
288: my ($target) = @_;
289:
290: my $result;
291: if ($target eq 'tex') {
292: my $repetition = &Apache::response::repetition();
293: $result.='\begin{enumerate}';
294: if ($env{'request.state'} eq "construct" ) {$result.='\item[\strut]';}
295: foreach my $i (0..$repetition-1) {
296: $result.='\item[\textbf{'.
297: ($Apache::lonxml::counter+$i).
298: '}.]\textit{Leave blank on scoring form}\vskip 0 mm';
299: }
300: $result.= '\end{enumerate}';
301: }
302:
303: return $result;
304: }
305:
306: sub exam_box {
307: my ($target) = @_;
308: my $result;
309:
310: if ($target eq 'tex') {
311: $result .= '\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
312: $result .= &exam_score_line($target);
313: } elsif ($target eq 'web') {
314: my $id=$Apache::inputtags::response[-1];
315: $result.= '<br /><br />
316: <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
317: </textarea> <br /><br />';
318: }
319: return $result;
320: }
321:
322: sub needs_exam_box {
323: my ($tagstack) = @_;
324: my @tags = ('formularesponse',
325: 'stringresponse',
326: 'reactionresponse',
327: 'organicresponse',
328: );
329:
330: foreach my $tag (@tags) {
331: if (grep(/\Q$tag\E/,@$tagstack)) {
332: return 1;
333: }
334: }
335: return 0;
336: }
337:
338: sub start_textline {
339: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
340: my $result = "";
341: my $input_id = &start_input($parstack,$safeeval);
342: if ($target eq 'web') {
343: $Apache::lonxml::evaluate--;
344: my $partid=$Apache::inputtags::part;
345: my $id=$Apache::inputtags::response[-1];
346: if (!&Apache::response::show_answer()) {
347: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
348: my $maxlength;
349: if ($size eq '') { $size=20; } else {
350: if ($size < 20) {
351: $maxlength = ' maxlength="'.$size.'"';
352: }
353: }
354: my ($oldresponse,$newvariation);
355: if ((($Apache::lonhomework::history{"resource.$partid.type"} eq 'randomizetry') ||
356: ($Apache::lonhomework::type eq 'randomizetry')) &&
357: ($Apache::inputtags::status[-1] eq 'CAN_ANSWER')) {
358: if ($env{'form.'.$partid.'.rndseed'} ne
359: $Apache::lonhomework::history{"resource.$partid.rndseed"}) {
360: $newvariation = 1;
361: }
362: }
363: unless ($newvariation) {
364: if ((($env{'form.grade_username'} eq '') && ($env{'form.grade_domain'} eq '')) ||
365: (($env{'form.grade_username'} eq $env{'user.name'}) &&
366: ($env{'form.grade_domain'} eq $env{'user.domain'}))) {
367: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
368: } elsif (($Apache::lonhomework::history{"resource.$partid.type"} eq 'anonsurvey') ||
369: ($Apache::lonhomework::history{"resource.$partid.type"} eq 'anonsurveycred') ||
370: ($Apache::lonhomework::type eq 'anonsurvey') ||
371: ($Apache::lonhomework::type eq 'anonsurveycred')) {
372: $oldresponse = '* '.&mt('only shown to submitter').' *';
373: } else {
374: $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
375: }
376: &Apache::lonxml::debug("oldresponse $oldresponse is ".ref($oldresponse));
377: if (ref($oldresponse) eq 'ARRAY') {
378: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
379: }
380: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
381: $oldresponse =~ s/^\s+//;
382: $oldresponse =~ s/\s+$//;
383: $oldresponse =~ s/\s+/ /g;
384: }
385: if ($Apache::lonhomework::type ne 'exam') {
386: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
387: $result='';
388: if ($addchars) {
389: $result.=&addchars('HWVAL_'.$id,$addchars);
390: }
391: my $readonly=&Apache::lonxml::get_param('readonly',$parstack,
392: $safeeval);
393: if (lc($readonly) eq 'yes'
394: || $Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
395: $readonly=' readonly="readonly" ';
396: } else {
397: $readonly='';
398: }
399: my $name = 'HWVAL_'.$id;
400: if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
401: $name = "none";
402: }
403: $result.= '<input onkeydown="javascript:setSubmittedPart(\''.$partid.'\');" type="text" '.$readonly.' name="'.$name.'" value="'.
404: $oldresponse.'" size="'.$size.'"'.$maxlength.' />';
405: }
406: if ($Apache::lonhomework::type eq 'exam'
407: && &needs_exam_box($tagstack)) {
408: $result.=&exam_box($target);
409: }
410: } else {
411: #right or wrong don't show what was last typed in.
412: my $count = scalar(@Apache::inputtags::inputlist)-1;
413: $result='<b>'.$Apache::inputtags::answertxt{$id}[$count].'</b>';
414: #$result='';
415: }
416: } elsif ($target eq 'edit') {
417: $result=&Apache::edit::tag_start($target,$token);
418: $result.=&Apache::edit::text_arg('Size:','size',$token,'5').
419: &Apache::edit::text_arg('Click-On Texts (comma sep):',
420: 'addchars',$token,10);
421: $result.=&Apache::edit::select_arg('Readonly:','readonly',
422: ['no','yes'],$token);
423: $result.=&Apache::edit::end_row();
424: $result.=&Apache::edit::end_table();
425: } elsif ($target eq 'modified') {
426: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
427: $safeeval,'size',
428: 'addchars','readonly');
429: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
430: } elsif ($target eq 'tex'
431: && $Apache::lonhomework::type ne 'exam') {
432: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
433: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
434: if ($env{'form.pdfFormFields'} eq 'yes'
435: && $Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
436: my $fieldname = $env{'request.symb'}.
437: '&part_'. $Apache::inputtags::part.
438: '&textresponse'.
439: '&HWVAL_' . $Apache::inputtags::response['-1'];
440: $result='\textField{'.$fieldname.'}{'.$size.'}{12 bp}';
441: } else {
442: $result='\framebox['.$size.'][s]{\tiny\strut}';
443: }
444: } elsif ($target eq 'tex'
445: && $Apache::lonhomework::type eq 'exam'
446: && &needs_exam_box($tagstack)) {
447: $result.=&exam_box($target);
448: }
449: return $result;
450: }
451:
452: sub end_textline {
453: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
454: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
455: elsif ($target eq 'edit') { return ('','no'); }
456: &end_input();
457: return "";
458: }
459:
460: sub start_hiddenline {
461: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
462: my $result = "";
463: my $input_id = &start_input($parstack,$safeeval);
464: if ($target eq 'web') {
465: $Apache::lonxml::evaluate--;
466: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
467: my $partid=$Apache::inputtags::part;
468: my $id=$Apache::inputtags::response[-1];
469: my $oldresponse = $Apache::lonhomework::history{"resource.$partid.$id.submission"};
470: if (ref($oldresponse) eq 'ARRAY') {
471: $oldresponse = $oldresponse->[$#Apache::inputtags::inputlist];
472: }
473: $oldresponse = &HTML::Entities::encode($oldresponse,'<>&"');
474:
475: if ($Apache::lonhomework::type ne 'exam') {
476: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
477: $oldresponse.'" />';
478: }
479: }
480: } elsif ($target eq 'edit') {
481: $result=&Apache::edit::tag_start($target,$token);
482: $result.=&Apache::edit::end_table;
483: }
484:
485: if ( ($target eq 'web' || $target eq 'tex')
486: && $Apache::lonhomework::type eq 'exam'
487: && &needs_exam_box($tagstack)) {
488: $result.=&exam_box($target);
489: }
490: return $result;
491: }
492:
493: sub end_hiddenline {
494: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
495: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
496: elsif ($target eq 'edit') { return ('','no'); }
497: &end_input();
498: return "";
499: }
500:
501: sub start_hiddensubmission {
502: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
503: my $result = "";
504: my $input_id = &start_input($parstack,$safeeval);
505: if ($target eq 'web') {
506: $Apache::lonxml::evaluate--;
507: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
508: my $partid=$Apache::inputtags::part;
509: my $id=$Apache::inputtags::response[-1];
510: if ($Apache::lonhomework::type ne 'exam') {
511: my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
512: $value = &HTML::Entities::encode($value,'<>&"');
513: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.$value.'" />';
514: }
515: }
516: } elsif ($target eq 'edit') {
517: $result=&Apache::edit::tag_start($target,$token);
518: $result.=&Apache::edit::text_arg('Value:','value',$token,'15');
519: $result.=&Apache::edit::end_row();
520: $result.=&Apache::edit::end_table();
521: } elsif ($target eq 'modified') {
522: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
523: $safeeval,'value');
524: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
525: }
526:
527: if ( ($target eq 'web' || $target eq 'tex')
528: && $Apache::lonhomework::type eq 'exam'
529: && &needs_exam_box($tagstack)) {
530: $result.=&exam_box($target);
531: }
532: return $result;
533: }
534:
535: sub end_hiddensubmission {
536: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
537: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
538: elsif ($target eq 'edit') { return ('','no'); }
539: &end_input();
540: return "";
541: }
542:
543: =pod
544:
545: =item file_selector()
546:
547: $part -> partid
548: $id -> responseid
549: $uploadefiletypes -> comma seperated list of extensions allowed or * for any
550: $which -> 'uploadonly' -> only newly uploaded files
551: 'portfolioonly' -> only allow files from portfolio
552: 'both' -> allow files from either location
553: $extratext -> additional text to go between the link and the input box
554: $maxfilesize -> maximum cumulative filesize for submitted files (in MB).
555: returns a table row <tr>
556:
557: =cut
558:
559: sub file_selector {
560: my ($part,$id,$uploadedfiletypes,$which,$extratext,$maxfilesize)=@_;
561: if (!$uploadedfiletypes) { return ''; }
562:
563: my $jspart=$part;
564: $jspart=~s/\./_/g;
565:
566: my $result;
567: my $current_files_display = ¤t_file_submissions($part,$id);
568: my $addfiles;
569: if ($current_files_display) {
570: $result .= &Apache::lonhtmlcommon::row_title(&mt('Currently submitted files')).
571: $current_files_display.
572: &Apache::lonhtmlcommon::row_closure();
573: $addfiles = &mt('Submit other file(s)');
574: } else {
575: $addfiles = &mt('Choose file(s) to submit');
576: }
577: $result .= &Apache::lonhtmlcommon::row_title($addfiles);
578: my $constraints;
579: if ($uploadedfiletypes ne '*') {
580: $constraints =
581: &mt('Allowed filetypes: [_1]','<b>'.$uploadedfiletypes.'</b>').'<br />';
582: }
583: if ($maxfilesize) {
584: $constraints .= &mt('Combined size of all files not to exceed: [_1] MB[_2].',
585: '<b>'.$maxfilesize.'</b>').'<br />';
586: }
587: if ($constraints) {
588: $result .= $constraints.'<br />';
589: }
590: if ($which eq 'uploadonly' || $which eq 'both') {
591: $result.=&mt('Submit a file: (only one file per submission)').
592: ' <br /><input type="file" size="50" name="HWFILE'.
593: $jspart.'_'.$id.'" /><br />';
594: }
595: if ( $which eq 'both') {
596: $result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
597: }
598: if ($which eq 'portfolioonly' || $which eq 'both') {
599: $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"))'."'".'>'.
600: &mt('Select Portfolio Files: (one or more files per submission)').'</a><br />'.
601: '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
602: '<br />';
603:
604: }
605: $result.=&Apache::lonhtmlcommon::row_closure(1);
606: return $result;
607: }
608:
609: sub current_file_submissions {
610: my ($part,$id) = @_;
611: my $jspart=$part;
612: $jspart=~s/\./_/g;
613: my $uploadedfile=$Apache::lonhomework::history{"resource.$part.$id.uploadedfile"};
614: my $portfiles=$Apache::lonhomework::history{"resource.$part.$id.portfiles"};
615: return if (($uploadedfile eq '') && ($portfiles !~/[^\s]/));
616: my $header = &Apache::loncommon::start_data_table().
617: &Apache::loncommon::start_data_table_header_row();
618: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
619: $header .= '<th>'.&mt('Delete?').'</th>';
620: }
621: $header .= '<th>'.&mt('File').'</th>'.
622: '<th>'.&mt('Size (MB)').'</th>'.
623: '<th>'.&mt('Last Modified').'</th>'.
624: &Apache::loncommon::end_data_table_header_row();
625: my (undef,$crsid,$udom,$uname)=&Apache::lonnet::whichuser();
626: my ($cdom,$cnum) = ($crsid =~ /^($LONCAPA::match_domain)_($LONCAPA::match_courseid)$/);
627: my ($result,$header_shown,%okfiles,%rows,%legacy,@bad_file_list);
628: if ($uploadedfile) {
629: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
630: my $link = &HTML::Entities::encode($url,'<>&"');
631: my ($path,$name) = ($url =~ m{^(/uploaded/\Q$udom\E/\Q$uname\E/essayresponse.*/)([^/]+)$});
632: my ($status,$hashref,$error) =
633: ¤t_file_info($url,$link,$name,$path);
634: if ($status eq 'ok') {
635: push(@{$okfiles{$name}},$url);
636: $rows{$url} = $hashref;
637: $legacy{$url} = 1;
638: &Apache::lonxml::extlink($url);
639: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
640: } else {
641: push(@bad_file_list,$error);
642: }
643: }
644: if ($portfiles =~ /[^\s]/) {
645: my $prefix = "/uploaded/$udom/$uname/portfolio";
646: foreach my $file (split(/\s*,\s*/,&unescape($portfiles))) {
647: my ($path,$name) = ($file =~ m{^(.*/)([^/]+)$});
648: my $url = $prefix.$path.$name;
649: my $uploadedfile = &HTML::Entities::encode($url,'<>&"');
650: my ($status,$hashref,$error) =
651: ¤t_file_info($url,$uploadedfile,$name,$path);
652: if ($status eq 'ok') {
653: push(@{$okfiles{$name}},$url);
654: $rows{$url} = $hashref;
655: } else {
656: push(@bad_file_list,$error);
657: }
658: }
659: }
660: my $num = 0;
661: foreach my $name (sort(keys(%okfiles))) {
662: if (ref($okfiles{$name}) eq 'ARRAY') {
663: foreach my $url (@{$okfiles{$name}}) {
664: if (ref($rows{$url}) eq 'HASH') {
665: my $link = $rows{$url}{link};
666: my $portfile = $rows{$url}{path}.$rows{$url}{name};
667: $portfile = &HTML::Entities::encode($portfile,'<>&"');
668: if ($link) {
669: my $icon=&Apache::loncommon::icon($url);
670: unless ($header_shown) {
671: $result .= $header;
672: $header_shown = 1;
673: }
674: $result.=
675: &Apache::loncommon::start_data_table_row()."\n";
676: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
677: $result .=
678: '<td valign="bottom"><input type="checkbox" name="HWFILE'.$jspart.'_'.$id.'_delete"'.
679: ' value="'.$portfile.'" id="HWFILE'.$jspart.'_'.$id.'_'.$num.'_delete" /></td>'."\n";
680: $num ++;
681: }
682: my $showname = $rows{$url}{path}.$name;
683: if ($legacy{$url}) {
684: $showname = $name.' '.&mt('not in portfolio');
685: }
686: $result .=
687: '<td><a href="'.$link.'"><img src="'.$icon.
688: '" border="0" alt="" />'.$showname.'</a></td>'."\n".
689: '<td align="right" valign="bottom">'.$rows{$url}{size}.'</td>'."\n".
690: '<td align="right" valign="bottom">'.$rows{$url}{lastmodified}.'</td>'."\n".
691: &Apache::loncommon::end_data_table_row();
692: }
693: }
694: }
695: }
696: }
697: if ($header_shown) {
698: $result .= &Apache::loncommon::end_data_table().
699: '<br /><span class="LC_warning">'.
700: &mt('Exclude existing file(s) from grading by checking the "Delete?" checkbox(es) and clicking "Submit Answer"').'</span>';
701: }
702: if (@bad_file_list) {
703: my $bad_files = '<span class="LC_filename">'.
704: join('</span>, <span class="LC_filename">',@bad_file_list).
705: '</span>';
706: $result.='<p class="LC_error">'.
707: &mt("These file(s) don't exist: [_1]",$bad_files).
708: '</p>';
709: }
710: return $result;
711: }
712:
713: sub current_file_info {
714: my ($url,$uploadedfile,$name,$path) = @_;
715: my ($status,$error,%info);
716: my @stat = &Apache::lonnet::stat_file($url);
717: if ((@stat) && ($stat[0] ne 'no_such_dir')) {
718: my ($lastmod,$size);
719: if ($stat[9] =~ /^\d+$/) {
720: $lastmod = &Apache::lonlocal::locallocaltime($stat[9]);
721: }
722: $size = $stat[7]/(1024*1024);
723: $size = sprintf("%.3f",$size);
724: %info = (
725: link => $uploadedfile,
726: name => $name,
727: path => $path,
728: size => $size,
729: lastmodified => $lastmod,
730: );
731: $status = 'ok';
732: } else {
733: &Apache::lonnet::logthis("bad file is $url");
734: my $icon=&Apache::loncommon::icon($url);
735: $error = '<a href="'.$url.'"><img src="'.$icon.
736: '" border="0" />'.$uploadedfile.'</a>';
737: }
738: return ($status,\%info,$error);
739: }
740:
741: sub valid_award {
742: my ($award) =@_;
743: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
744: 'NO_RESPONSE',
745: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
746: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
747: 'UNIT_FAIL', 'NO_UNIT',
748: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
749: 'BAD_FORMULA', 'NOT_FUNCTION', 'WRONG_FORMAT',
750: 'INTERNAL_ERROR', 'SIG_FAIL', 'INCORRECT',
751: 'MISORDERED_RANK', 'INVALID_FILETYPE',
752: 'EXCESS_FILESIZE', 'FILENAME_INUSE',
753: 'DRAFT', 'SUBMITTED', 'SUBMITTED_CREDIT',
754: 'ANONYMOUS', 'ANONYMOUS_CREDIT',
755: 'ASSIGNED_SCORE', 'APPROX_ANS',
756: 'EXACT_ANS','COMMA_FAIL') {
757: if ($award eq $possibleaward) { return 1; }
758: }
759: return 0;
760: }
761:
762: {
763: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
764: 'TOO_LONG',
765: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
766: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
767: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA', 'NOT_FUNCTION',
768: 'WRONG_FORMAT', 'INTERNAL_ERROR',
769: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
770: 'INVALID_FILETYPE', 'EXCESS_FILESIZE', 'FILENAME_INUSE',
771: 'DRAFT', 'SUBMITTED',
772: 'SUBMITTED_CREDIT', 'ANONYMOUS', 'ANONYMOUS_CREDIT',
773: 'ASSIGNED_SCORE', 'APPROX_ANS', 'EXACT_ANS');
774: my $i=0;
775: my %fwd_awards = map { ($_,$i++) } @awards;
776: my $max=scalar(@awards);
777: @awards=reverse(@awards);
778: $i=0;
779: my %rev_awards = map { ($_,$i++) } @awards;
780:
781: sub awarddetail_to_awarded {
782: my ($awarddetail) = @_;
783: if ($awarddetail eq 'EXACT_ANS'
784: || $awarddetail eq 'APPROX_ANS') {
785: return 1;
786: }
787: return 0;
788: }
789:
790: sub hide_award {
791: my ($award) = @_;
792: if (&Apache::lonhomework::show_no_problem_status()) {
793: return 1;
794: }
795: if ($award =~
796: /^(?:EXACT_ANS|APPROX_ANS|SUBMITTED|SUBMITTED_CREDIT|ANONYMOUS|ANONYMOUS_CREDIT|ASSIGNED_SCORE|INCORRECT)/) {
797: return 1;
798: }
799: return 0;
800: }
801:
802: sub finalizeawards {
803: my ($awardref,$msgref,$nameref,$reverse,$final_scantron)=@_;
804: my $result;
805: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
806: if ($result eq '' ) {
807: my $blankcount;
808: foreach my $award (@$awardref) {
809: if ($award eq '') {
810: $result='MISSING_ANSWER';
811: $blankcount++;
812: }
813: }
814: if ($blankcount == ($#$awardref + 1)) {
815: return ('NO_RESPONSE');
816: }
817: }
818:
819: if ($Apache::lonxml::internal_error) { $result='INTERNAL_ERROR'; }
820:
821: if (!$final_scantron && defined($result)) { return ($result); }
822:
823: # if in scantron mode, if the award for any response is
824: # assigned score, then the part gets an assigned score
825: if ($final_scantron
826: && grep {$_ eq 'ASSIGNED_SCORE'} (@$awardref)) {
827: return ('ASSIGNED_SCORE');
828: }
829:
830: # if in scantron mode, if the award for any response is
831: # correct and there are non-correct responses,
832: # then the part gets an assigned score
833: if ($final_scantron
834: && (grep { $_ eq 'EXACT_ANS' ||
835: $_ eq 'APPROX_ANS' } (@$awardref))
836: && (grep { $_ ne 'EXACT_ANS' &&
837: $_ ne 'APPROX_ANS' } (@$awardref))) {
838: return ('ASSIGNED_SCORE');
839: }
840: # these awards are ordered from most important error through best correct
841: my $awards = (!$reverse) ? \%fwd_awards : \%rev_awards ;
842:
843: my $best = $max;
844: my $j=0;
845: my $which;
846: foreach my $award (@$awardref) {
847: if ($awards->{$award} < $best) {
848: $best = $awards->{$award};
849: $which = $j;
850: }
851: $j++;
852: }
853:
854: if (defined($which)) {
855: if (ref($nameref)) {
856: return ($$awardref[$which],$$msgref[$which],$$nameref[$which]);
857: } else {
858: return ($$awardref[$which],$$msgref[$which]);
859: }
860: }
861: return ('ERROR',undef);
862: }
863: }
864:
865: sub decideoutput {
866: my ($award,$awarded,$awardmsg,$solved,$previous,$target,$nocorrect)=@_;
867:
868: my $message='';
869: my $button=0;
870: my $previousmsg;
871: my $css_class='orange';
872: my $added_computer_text=0;
873: my %possible_class =
874: ( 'correct' => 'LC_answer_correct',
875: 'charged_try' => 'LC_answer_charged_try',
876: 'not_charged_try' => 'LC_answer_not_charged_try',
877: 'no_grade' => 'LC_answer_no_grade',
878: 'no_message' => 'LC_no_message',
879: );
880:
881: my $part = $Apache::inputtags::part;
882: my $tohandgrade = &Apache::lonnet::EXT("resource.$part.handgrade");
883: my $handgrade = ('yes' eq lc($tohandgrade));
884:
885: #
886: # Should "Computer's Answer" be displayed?
887: # Should not be displayed if still answerable,
888: # if the problem is handgraded,
889: # or if the problem does not give a correct answer
890: #
891: my $computer = ($handgrade || $nocorrect)? ''
892: : " ".&mt("Computer's answer now shown above.");
893: &Apache::lonxml::debug("handgrade has :$handgrade:");
894:
895: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
896:
897: if ($solved =~ /^correct/) {
898: $css_class=$possible_class{'correct'};
899: $message=&mt('You are correct.');
900: if ($awarded < 1 && $awarded > 0) {
901: $message=&mt('You are partially correct.');
902: $css_class=$possible_class{'not_charged_try'};
903: } elsif ($awarded < 1) {
904: $message=&mt('Incorrect.');
905: $css_class=$possible_class{'charged_try'};
906: }
907: if ($handgrade ||
908: ($env{'request.filename'}=~ m{/res/lib/templates/(examupload|DropBox)\.problem$})) {
909: $message = &mt("A score has been assigned.");
910: $added_computer_text=1;
911: } else {
912: if ($target eq 'tex') {
913: $message = '\textbf{'.$message.'}';
914: } else {
915: $message = "<b>".$message."</b>";
916: $message.= $computer;
917: }
918: $added_computer_text=1;
919: if ($awarded > 0) {
920: my ($symb) = &Apache::lonnet::whichuser();
921: if (($symb ne '')
922: &&
923: ($env{'course.'.$env{'request.course.id'}.
924: '.disable_receipt_display'} ne 'yes') &&
925: ($Apache::lonhomework::type ne 'practice')) {
926: $message.=(($target eq 'web')?'<br />':' ').
927: &mt('Your receipt no. is [_1]',
928: (&Apache::lonnet::receipt($Apache::inputtags::part).
929: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
930: }
931: }
932: }
933: $button=0;
934: $previousmsg='';
935: } elsif ($solved =~ /^excused/) {
936: if ($target eq 'tex') {
937: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
938: } else {
939: $message = "<b>".&mt('You are excused from the problem.')."</b>";
940: }
941: $css_class=$possible_class{'charged_try'};
942: $button=0;
943: $previousmsg='';
944: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
945: if ($solved =~ /^incorrect/ || $solved eq '') {
946: $message = &mt("Incorrect").".";
947: $css_class=$possible_class{'charged_try'};
948: $button=1;
949: } else {
950: if ($target eq 'tex') {
951: $message = '\textbf{'.&mt('You are correct.').'}';
952: } else {
953: $message = "<b>".&mt('You are correct.')."</b>";
954: $message.= $computer;
955: }
956: $added_computer_text=1;
957: if ($awarded > 0
958: && $env{'course.'.
959: $env{'request.course.id'}.
960: '.disable_receipt_display'} ne 'yes') {
961: $message.=(($target eq 'web')?'<br />':' ').
962: &mt('Your receipt is [_1]',
963: (&Apache::lonnet::receipt($Apache::inputtags::part).
964: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'')));
965: }
966: $css_class=$possible_class{'correct'};
967: $button=0;
968: $previousmsg='';
969: }
970: } elsif ($award eq 'NO_RESPONSE') {
971: $message = '';
972: $css_class=$possible_class{'no_feedback'};
973: $button=1;
974: } elsif ($award eq 'EXTRA_ANSWER') {
975: $message = &mt('Some extra items were submitted.');
976: $css_class=$possible_class{'not_charged_try'};
977: $button = 1;
978: } elsif ($award eq 'MISSING_ANSWER') {
979: $message = &mt('Some items were not submitted.');
980: if ($target ne 'tex') {
981: $message .= &Apache::loncommon::help_open_topic('Some_Items_Were_Not_Submitted');
982: }
983: $css_class=$possible_class{'not_charged_try'};
984: $button = 1;
985: } elsif ($award eq 'ERROR') {
986: $message = &mt('An error occurred while grading your answer.');
987: $css_class=$possible_class{'not_charged_try'};
988: $button = 1;
989: } elsif ($award eq 'TOO_LONG') {
990: $message = &mt("The submitted answer was too long.");
991: $css_class=$possible_class{'not_charged_try'};
992: $button=1;
993: } elsif ($award eq 'WANTED_NUMERIC') {
994: $message = &mt("This question expects a numeric answer.");
995: $css_class=$possible_class{'not_charged_try'};
996: $button=1;
997: } elsif ($award eq 'MISORDERED_RANK') {
998: $message = &mt('You have provided an invalid ranking.');
999: if ($target ne 'tex') {
1000: $message.=' '.&mt('Please refer to [_1]',&Apache::loncommon::help_open_topic('Ranking_Problems',&mt('help on ranking problems')));
1001: }
1002: $css_class=$possible_class{'not_charged_try'};
1003: $button=1;
1004: } elsif ($award eq 'EXCESS_FILESIZE') {
1005: $message = &mt('Submission won\'t be graded. The combined size of submitted files exceeded the amount allowed.');
1006: $css_class=$possible_class{'not_charged_try'};
1007: $button=1;
1008: } elsif ($award eq 'FILENAME_INUSE') {
1009: $message = &mt('You have already uploaded a file with that filename.');
1010: if ($target eq 'tex') {
1011: $message.= "\\\\\n";
1012: } else {
1013: $message .= '<br />';
1014: }
1015: $message .= &mt('Please use a different file name.');
1016: $css_class=$possible_class{'not_charged_try'};
1017: $button=1;
1018: } elsif ($award eq 'INVALID_FILETYPE') {
1019: $message = &mt("Submission won't be graded. The type of file submitted is not allowed.");
1020: $css_class=$possible_class{'not_charged_try'};
1021: $button=1;
1022: } elsif ($award eq 'SIG_FAIL') {
1023: my ($used,$min,$max)=split(':',$awardmsg);
1024: my $word = ($used < $min) ? 'more' : 'fewer';
1025: $message = &mt("Submission not graded. Use $word digits.",$used);
1026: $css_class=$possible_class{'not_charged_try'};
1027: $button=1;
1028: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
1029: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
1030: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1031: $css_class=$possible_class{'not_charged_try'};
1032: $button=1;
1033: } elsif ($award eq 'UNIT_INVALID_STUDENT') {
1034: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
1035: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1036: $css_class=$possible_class{'not_charged_try'};
1037: $button=1;
1038: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
1039: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
1040: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1041: $css_class=$possible_class{'not_charged_try'};
1042: $button=1;
1043: } elsif ($award eq 'UNIT_NOTNEEDED') {
1044: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
1045: $css_class=$possible_class{'not_charged_try'};
1046: $button=1;
1047: } elsif ($award eq 'NO_UNIT') {
1048: $message = &mt("Units required").'.';
1049: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
1050: $css_class=$possible_class{'not_charged_try'};
1051: $button=1;
1052: } elsif ($award eq 'COMMA_FAIL') {
1053: $message = &mt("Proper comma separation is required").'.';
1054: $css_class=$possible_class{'not_charged_try'};
1055: $button=1;
1056: } elsif ($award eq 'BAD_FORMULA') {
1057: $message = &mt("Unable to understand formula").'.';
1058: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Formula_Answers')};
1059: $css_class=$possible_class{'not_charged_try'};
1060: $button=1;
1061: } elsif ($award eq 'NOT_FUNCTION') {
1062: $message = &mt("Not a function").'.';
1063: $css_class=$possible_class{'not_charged_try'};
1064: $button=1;
1065: } elsif ($award eq 'WRONG_FORMAT') {
1066: $message = &mt("Wrong format").'.';
1067: $css_class=$possible_class{'not_charged_try'};
1068: $button=1;
1069: } elsif ($award eq 'INTERNAL_ERROR') {
1070: $message = &mt("An internal error occurred while processing your answer. Please try again later.");
1071: $css_class=$possible_class{'not_charged_try'};
1072: $button=1;
1073: } elsif ($award eq 'INCORRECT') {
1074: $message = &mt("Incorrect").'.';
1075: $css_class=$possible_class{'charged_try'};
1076: $button=1;
1077: } elsif ($award eq 'SUBMITTED') {
1078: $message = &mt("Your submission has been recorded.");
1079: $css_class=$possible_class{'no_grade'};
1080: $button=1;
1081: } elsif ($award eq 'SUBMITTED_CREDIT') {
1082: $message = &mt("Your submission has been recorded, and credit awarded.");
1083: $css_class=$possible_class{'correct'};
1084: $button=1;
1085: } elsif ($award eq 'ANONYMOUS') {
1086: $message = &mt("Your anonymous submission has been recorded.");
1087: $css_class=$possible_class{'no_grade'};
1088: $button=1;
1089: } elsif ($award eq 'ANONYMOUS_CREDIT') {
1090: $message = &mt("Your anonymous submission has been recorded, and credit awarded.");
1091: $css_class=$possible_class{'correct'};
1092: } elsif ($award eq 'DRAFT') {
1093: $message = &mt("Copy saved but not submitted.");
1094: $css_class=$possible_class{'not_charged_try'};
1095: $button=1;
1096: } elsif ($award eq 'ASSIGNED_SCORE') {
1097: $message = &mt("A score has been assigned.");
1098: $css_class=$possible_class{'correct'};
1099: $button=0;
1100: } elsif ($award eq '') {
1101: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
1102: $message = &mt("Nothing submitted.");
1103: $css_class=$possible_class{'charged_try'};
1104: } else {
1105: $css_class=$possible_class{'not_charged_try'};
1106: }
1107: $button=1;
1108: } else {
1109: $message = &mt("Unknown message").": $award";
1110: $button=1;
1111: }
1112: my (undef,undef,$domain,$user)=&Apache::lonnet::whichuser();
1113: foreach my $resid(@Apache::inputtags::response){
1114: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
1115: if ($target eq 'tex') {
1116: $message.= "\\\\\n";
1117: } else {
1118: $message.='<br />';
1119: }
1120: my @files = split(/\s*,\s*/,
1121: $Apache::lonhomework::history{"resource.$part.$resid.handback"});
1122: my $file_msg;
1123: foreach my $file (@files) {
1124: if ($target eq 'tex') {
1125: $file_msg.= "\\\\\n".$file;
1126: } else {
1127: $file_msg.= '<br /><a href="/uploaded/'."$domain/$user".'/'.$file.'">'.$file.'</a>';
1128: }
1129: }
1130: $message .= &mt('Returned file(s): [_1]',$file_msg);
1131: if ($target eq 'tex') {
1132: $message.= "\\\\\n";
1133: } else {
1134: $message.='<br />';
1135: }
1136: }
1137: }
1138:
1139: if (&Apache::lonhomework::hide_problem_status()
1140: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER'
1141: && &hide_award($award)) {
1142: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
1143: $css_class=$possible_class{'no_grade'};
1144: $button=1;
1145: }
1146: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
1147: !$added_computer_text && $target ne 'tex') {
1148: $message.= $computer;
1149: $added_computer_text=1;
1150: }
1151: if ($Apache::lonhomework::type eq 'practice') {
1152: if ($target eq 'web') {
1153: $message .= '<br />';
1154: } else {
1155: $message .= ' ';
1156: }
1157: $message.=&mt('Submissions to practice problems are not permanently recorded.');
1158: }
1159:
1160: return ($button,$css_class,$message,$previousmsg);
1161: }
1162:
1163: sub markup_unit {
1164: my ($unit,$target)=@_;
1165: if ($target eq 'tex') {
1166: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
1167: } else {
1168: return "<tt>".$unit."</tt>";
1169: }
1170: }
1171:
1172: sub removealldata {
1173: my ($id)=@_;
1174: foreach my $key (keys(%Apache::lonhomework::results)) {
1175: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1176: &Apache::lonxml::debug("Removing $key");
1177: delete($Apache::lonhomework::results{$key});
1178: }
1179: }
1180: }
1181:
1182: sub hidealldata {
1183: my ($id)=@_;
1184: foreach my $key (keys(%Apache::lonhomework::results)) {
1185: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
1186: &Apache::lonxml::debug("Hidding $key");
1187: my $newkey=$key;
1188: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
1189: $Apache::lonhomework::results{$newkey}=
1190: $Apache::lonhomework::results{$key};
1191: delete($Apache::lonhomework::results{$key});
1192: }
1193: }
1194: }
1195:
1196: sub setgradedata {
1197: my ($award,$msg,$id,$previously_used) = @_;
1198: if ($Apache::lonhomework::scantronmode &&
1199: &Apache::lonnet::validCODE($env{'form.CODE'})) {
1200: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
1201: } elsif ($Apache::lonhomework::scantronmode &&
1202: $env{'form.CODE'} eq '' &&
1203: $Apache::lonhomework::history{"resource.CODE"} ne '') {
1204: $Apache::lonhomework::results{"resource.CODE"}='';
1205: }
1206:
1207: if (!$Apache::lonhomework::scantronmode &&
1208: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
1209: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1210: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1211: return '';
1212: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
1213: /^correct/
1214: || $Apache::lonhomework::scantronmode
1215: || &Apache::lonhomework::hide_problem_status() ) {
1216: # the student doesn't already have it correct,
1217: # or we are in a mode (scantron orno problem status) where a correct
1218: # can become incorrect
1219: # handle assignment of tries and solved status
1220: my $solvemsg;
1221: if ($Apache::lonhomework::scantronmode) {
1222: $solvemsg='correct_by_scantron';
1223: } else {
1224: $solvemsg='correct_by_student';
1225: }
1226: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
1227: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
1228: }
1229: if ( $award eq 'ASSIGNED_SCORE') {
1230: $Apache::lonhomework::results{"resource.$id.tries"} =
1231: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1232: $Apache::lonhomework::results{"resource.$id.solved"} =
1233: $solvemsg;
1234: my $numawards=scalar(@Apache::inputtags::response);
1235: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1236: foreach my $res (@Apache::inputtags::response) {
1237: if (defined($Apache::lonhomework::results{"resource.$id.$res.awarded"})) {
1238: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1239: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
1240: } else {
1241: $Apache::lonhomework::results{"resource.$id.awarded"}+=
1242: &awarddetail_to_awarded($Apache::lonhomework::results{"resource.$id.$res.awarddetail"});
1243: }
1244: }
1245: if ($numawards > 0) {
1246: $Apache::lonhomework::results{"resource.$id.awarded"}/=
1247: $numawards;
1248: }
1249: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
1250: $Apache::lonhomework::results{"resource.$id.tries"} =
1251: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1252: $Apache::lonhomework::results{"resource.$id.solved"} =
1253: $solvemsg;
1254: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1255: } elsif ( $award eq 'SUBMITTED_CREDIT' ) {
1256: $Apache::lonhomework::results{"resource.$id.tries"} =
1257: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1258: $Apache::lonhomework::results{"resource.$id.solved"} =
1259: 'credit_attempted';
1260: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1261: } elsif ( $award eq 'ANONYMOUS_CREDIT' ) {
1262: $Apache::lonhomework::results{"resource.$id.tries"} =
1263: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1264: $Apache::lonhomework::results{"resource.$id.solved"} =
1265: 'credit_attempted';
1266: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
1267: } elsif ( $award eq 'INCORRECT' ) {
1268: $Apache::lonhomework::results{"resource.$id.tries"} =
1269: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1270: if (&Apache::lonhomework::hide_problem_status()
1271: || $Apache::lonhomework::scantronmode) {
1272: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1273: }
1274: $Apache::lonhomework::results{"resource.$id.solved"} =
1275: 'incorrect_attempted';
1276: } elsif ( $award eq 'SUBMITTED' ) {
1277: $Apache::lonhomework::results{"resource.$id.tries"} =
1278: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1279: $Apache::lonhomework::results{"resource.$id.solved"} =
1280: 'ungraded_attempted';
1281: } elsif ( $award eq 'ANONYMOUS' ) {
1282: $Apache::lonhomework::results{"resource.$id.tries"} =
1283: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1284: $Apache::lonhomework::results{"resource.$id.solved"} =
1285: 'ungraded_attempted';
1286: } elsif ( $award eq 'DRAFT' ) {
1287: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1288: } elsif ( $award eq 'NO_RESPONSE' ) {
1289: #no real response so delete any data that got stored
1290: &removealldata($id);
1291: return '';
1292: } else {
1293: $Apache::lonhomework::results{"resource.$id.solved"} =
1294: 'incorrect_attempted';
1295: if (&Apache::lonhomework::show_no_problem_status()
1296: || $Apache::lonhomework::scantronmode) {
1297: $Apache::lonhomework::results{"resource.$id.tries"} =
1298: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1299: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
1300: }
1301:
1302: if (&Apache::lonhomework::show_some_problem_status()) {
1303: # clear out the awarded if they had gotten it wrong/right
1304: # and are now in an error mode
1305: $Apache::lonhomework::results{"resource.$id.awarded"} = '';
1306: }
1307: }
1308: if (defined($msg)) {
1309: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
1310: }
1311: # did either of the overall awards chage? If so ignore the
1312: # previous check
1313: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
1314: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
1315: ($Apache::lonhomework::results{"resource.$id.solved"} eq
1316: $Apache::lonhomework::history{"resource.$id.solved"})) {
1317: # check if this was a previous submission if it was delete the
1318: # unneeded data and update the previously_used attribute
1319: if ( $previously_used eq 'PREVIOUSLY_USED') {
1320: if (&Apache::lonhomework::show_problem_status()) {
1321: delete($Apache::lonhomework::results{"resource.$id.tries"});
1322: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
1323: }
1324: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1325: #delete all data as they student didn't do anything, but save
1326: #the list of collaborators.
1327: &removealldata($id);
1328: #and since they didn't do anything we were never here
1329: return '';
1330: } else {
1331: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1332: }
1333: }
1334: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~
1335: /^correct/ ) {
1336: #delete all data as they student already has it correct
1337: &removealldata($id);
1338: #and since they didn't do anything we were never here
1339: return '';
1340: }
1341: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1342: if ($award eq 'SUBMITTED') {
1343: &Apache::response::add_to_gradingqueue();
1344: }
1345: if (($Apache::lonhomework::type eq 'anonsurvey') ||
1346: ($Apache::lonhomework::type eq 'anonsurveycred') ||
1347: ($Apache::lonhomework::type eq 'randomizetry')) {
1348: $Apache::lonhomework::results{"resource.$id.type"} = $Apache::lonhomework::type;
1349: }
1350: if ($Apache::lonhomework::type eq 'randomizetry') {
1351: $Apache::lonhomework::results{"resource.$id.rndseed"} = $env{'form.'.$id.'.rndseed'};
1352: }
1353: }
1354:
1355: sub find_which_previous {
1356: my ($version) = @_;
1357: my $part = $Apache::inputtags::part;
1358: my (@previous_version);
1359: foreach my $resp (@Apache::inputtags::response) {
1360: my $key = "$version:resource.$part.$resp.submission";
1361: my $submission = $Apache::lonhomework::history{$key};
1362: my %previous = &Apache::response::check_for_previous($submission,
1363: $part,$resp,
1364: $version);
1365: push(@previous_version,$previous{'version'});
1366: }
1367: return &previous_match(\@previous_version,
1368: scalar(@Apache::inputtags::response));
1369: }
1370:
1371: sub previous_match {
1372: my ($previous_array,$count) = @_;
1373: my $match = 0;
1374: my @matches;
1375: foreach my $versionar (@$previous_array) {
1376: foreach my $version (@$versionar) {
1377: $matches[$version]++;
1378: }
1379: }
1380: my $which=0;
1381: foreach my $elem (@matches) {
1382: if ($elem eq $count) {
1383: $match=1;
1384: last;
1385: }
1386: $which++;
1387: }
1388: return ($match,$which);
1389: }
1390:
1391: sub grade {
1392: my ($target) = @_;
1393: my $id = $Apache::inputtags::part;
1394: my $response='';
1395: if ( defined $env{'form.submitted'}) {
1396: my (@awards,@msgs);
1397: foreach $response (@Apache::inputtags::response) {
1398: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
1399: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1400: &Apache::lonxml::debug("keeping $value from $response for $id");
1401: push (@awards,$value);
1402: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
1403: &Apache::lonxml::debug("got message $value from $response for $id");
1404: push (@msgs,$value);
1405: }
1406: my ($finalaward,$msg) =
1407: &finalizeawards(\@awards,\@msgs,undef,undef,
1408: $Apache::lonhomework::scantronmode);
1409: my $previously_used;
1410: if ( $#Apache::inputtags::previous eq $#awards ) {
1411: my ($match) =
1412: &previous_match(\@Apache::inputtags::previous_version,
1413: scalar(@Apache::inputtags::response));
1414:
1415: if ($match) {
1416: $previously_used = 'PREVIOUSLY_LAST';
1417: foreach my $value (@Apache::inputtags::previous) {
1418: if ($value eq 'PREVIOUSLY_USED' ) {
1419: $previously_used = $value;
1420: last;
1421: }
1422: }
1423: }
1424: }
1425: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
1426: &setgradedata($finalaward,$msg,$id,$previously_used);
1427: }
1428: return '';
1429: }
1430:
1431: sub get_grade_messages {
1432: my ($id,$prefix,$target,$status,$nocorrect) = @_;
1433: # nocorrect suppresses "Computer's answer now shown above"
1434: my ($message,$latemessage,$trystr,$previousmsg);
1435: my $showbutton = 1;
1436:
1437: my $award = $Apache::lonhomework::history{"$prefix.award"};
1438: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1439: my $solved = $Apache::lonhomework::history{"$prefix.solved"};
1440: my $previous = $Apache::lonhomework::history{"$prefix.previous"};
1441: my $awardmsg = $Apache::lonhomework::history{"$prefix.awardmsg"};
1442: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1443: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1444: &Apache::lonxml::debug('Getting message');
1445: ($showbutton,my $css_class,$message,$previousmsg) =
1446: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
1447: $target,(($status eq 'CAN_ANSWER') || $nocorrect));
1448: if ($target eq 'tex') {
1449: $message='\vskip 2 mm '.$message.' ';
1450: } else {
1451: $message="<td class=\"$css_class\">$message</td>";
1452: if ($previousmsg) {
1453: $previousmsg="<td class=\"LC_answer_previous\">$previousmsg</td>";
1454: }
1455: }
1456: }
1457: my $tries = $Apache::lonhomework::history{"$prefix.tries"};
1458: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
1459: &Apache::lonxml::debug("got maxtries of :$maxtries:");
1460: #if tries are set to negative turn off the Tries/Button and messages
1461: if (defined($maxtries) && $maxtries < 0) { return ''; }
1462: if ( $tries eq '' ) { $tries = '0'; }
1463: if ( $maxtries eq '' ) { $maxtries = '2'; }
1464: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
1465: my $tries_text= &get_tries_text();
1466: if ($showbutton) {
1467: if ($target eq 'tex') {
1468: if ($env{'request.state'} ne "construct"
1469: && $Apache::lonhomework::type ne 'exam'
1470: && $env{'form.suppress_tries'} ne 'yes') {
1471: $trystr ='{\vskip 1 mm \small '
1472: .&mt('[_1]'.$tries_text.'[_2] [_3]'
1473: ,'\textit{','}',$tries.'/'.$maxtries )
1474: .'} \vskip 2 mm';
1475: } else {
1476: $trystr = '\vskip 0 mm ';
1477: }
1478: } else {
1479: my $trial = $tries;
1480: if ($Apache::lonhomework::parsing_a_task) {
1481: } elsif($env{'request.state'} ne 'construct') {
1482: $trial.="/$maxtries";
1483: } else {
1484: if (defined($Apache::inputtags::params{'maxtries'})) {
1485: $trial.="/".$Apache::inputtags::params{'maxtries'};
1486: }
1487: }
1488: $trystr.='<td><span class="LC_nobreak">'.&mt("$tries_text [_1]",$trial).'</span></td>';
1489: }
1490: }
1491:
1492: if ($Apache::lonhomework::history{"$prefix.afterduedate"}) {
1493: #last submissions was after due date
1494: $latemessage=&mt(' The last submission was after the Due Date ');;
1495: if ($target eq 'web') {
1496: $latemessage='<td class="LC_answer_late">'.$latemessage.'</td>';
1497: }
1498: }
1499: return ($previousmsg,$latemessage,$message,$trystr,$showbutton);
1500: }
1501:
1502: sub gradestatus {
1503: my ($id,$target,$no_previous) = @_;
1504: my $showbutton = 1;
1505: my $message = '';
1506: my $latemessage = '';
1507: my $trystr='';
1508: my $button='';
1509: my $previousmsg='';
1510:
1511: my $status = $Apache::inputtags::status['-1'];
1512: &Apache::lonxml::debug("gradestatus has :$status:");
1513: if ( $status ne 'CLOSED'
1514: && $status ne 'UNAVAILABLE'
1515: && $status ne 'INVALID_ACCESS'
1516: && $status ne 'NEEDS_CHECKIN'
1517: && $status ne 'NOT_IN_A_SLOT') {
1518:
1519: ($previousmsg,$latemessage,$message,$trystr) =
1520: &get_grade_messages($id,"resource.$id",$target,$status,
1521: $showbutton);
1522: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {
1523: $showbutton = 0;
1524: }
1525: if ( $status eq 'SHOW_ANSWER') {
1526: undef($previousmsg);
1527: }
1528: if ( $showbutton ) {
1529: if ($target ne 'tex') {
1530: $button =
1531: '<input onmouseup="javascript:setSubmittedPart(\''.$id.'\');this.form.action+=\'#'.&escape($id).'\';"
1532: type="submit" name="submit_'.$id.'"
1533: value="'.&mt('Submit Answer').'" />';
1534: }
1535: }
1536:
1537: }
1538: my $output= $previousmsg.$latemessage.$message.$trystr;
1539: if ($output =~ /^\s*$/) {
1540: return $button;
1541: } else {
1542: if ($target eq 'tex') {
1543: return $button.' \vskip 0 mm '.$output.' ';
1544: } else {
1545: $output =
1546: '<table><tr><td>'.$button.'</td>'.$output;
1547: if (!$no_previous) {
1548: $output.='<td>'.&previous_tries($id,$target).'</td>';
1549: }
1550: $output.= '</tr></table>';
1551: return $output;
1552: }
1553: }
1554: }
1555:
1556: sub previous_tries {
1557: my ($id,$target) = @_;
1558: my $output;
1559: my $status = $Apache::inputtags::status['-1'];
1560:
1561: my $count;
1562: my %count_lookup;
1563: my $lastrndseed;
1564:
1565: foreach my $i (1..$Apache::lonhomework::history{'version'}) {
1566: my $prefix = $i.":resource.$id";
1567: my $is_anon;
1568: if (defined($env{'form.grade_symb'})) {
1569: if (($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurvey') ||
1570: ($Apache::lonhomework::history{"$prefix.type"} eq 'anonsurveycred')) {
1571: $is_anon = 1;
1572: }
1573: }
1574: next if (!exists($Apache::lonhomework::history{"$prefix.award"}));
1575: $count++;
1576: $count_lookup{$i} = $count;
1577: my $curr_rndseed = $Apache::lonhomework::history{"$prefix.rndseed"};
1578:
1579: my ($previousmsg,$latemessage,$message,$trystr);
1580:
1581: ($previousmsg,$latemessage,$message,$trystr) =
1582: &get_grade_messages($id,"$prefix",$target,$status);
1583:
1584: if ($previousmsg ne '') {
1585: my ($match,$which) = &find_which_previous($i);
1586: $message=$previousmsg;
1587: my $previous = $count_lookup{$which};
1588: $message =~ s{(</td>)}{ as submission \# $previous $1};
1589: } elsif ($Apache::lonhomework::history{"$prefix.tries"}) {
1590: if (!(&Apache::lonhomework::hide_problem_status()
1591: && $Apache::inputtags::status[-1] ne 'SHOW_ANSWER')
1592: && $Apache::lonhomework::history{"$prefix.solved"} =~/^correct/
1593: ) {
1594:
1595: my $txt_correct = &mt('Correct');
1596: my $awarded = $Apache::lonhomework::history{"$prefix.awarded"};
1597: if ($awarded < 1 && $awarded > 0) {
1598: $txt_correct=&mt('Partially Correct');
1599: } elsif ($awarded < 1) {
1600: if ($awarded eq '') {
1601: $txt_correct='';
1602: } else {
1603: $txt_correct=&mt('Incorrect');
1604: }
1605: }
1606: $message =~ s{(<td.*?>)(.*?)(</td>)}
1607: {$1 <strong>$txt_correct</strong>. $3}s;
1608: }
1609: my $trystr = "(".&mt('Try [_1]',$Apache::lonhomework::history{"$prefix.tries"}).")";
1610: if (($curr_rndseed || $lastrndseed) && ($i > 1)) {
1611: if ($curr_rndseed ne $lastrndseed) {
1612: $trystr .= '<br /><span style="color: green; white-space: nowrap; font-style: italic; font-weight: bold; font-size: 80%;">'.&mt('New problem variation this try.').'</span>';
1613: }
1614: }
1615: $message =~ s{(</td>)}{ $trystr $1};
1616: }
1617: my ($class) = ($message =~ m{<td.*class="([^"]*)"}); #"
1618: $message =~ s{(<td.*?>)}{<td>};
1619:
1620:
1621: $output.='<tr class="'.$class.'">';
1622: $output.='<td align="center">'.$count.'</td>';
1623: $output.=$message;
1624:
1625: foreach my $resid (@Apache::inputtags::response) {
1626: my $prefix = $prefix.".$resid";
1627: if (exists($Apache::lonhomework::history{"$prefix.submission"})) {
1628: my $submission =
1629: $Apache::inputtags::submission_display{"$prefix.submission"};
1630: if (!defined($submission)) {
1631: $submission =
1632: $Apache::lonhomework::history{"$prefix.submission"};
1633: }
1634: if ($is_anon) {
1635: $output.='<td>'.&mt('(only shown to submitter)').'</td>';
1636: } else {
1637: $output.='<td>'.$submission.'</td>';
1638: }
1639: } else {
1640: $output.='<td></td>';
1641: }
1642: }
1643: $output.=&Apache::loncommon::end_data_table_row()."\n";
1644: $lastrndseed = $curr_rndseed;
1645: }
1646: return if ($output eq '');
1647: my $headers =
1648: '<tr>'.'<th>'.&mt('Submission #').'</th><th>'.&mt('Try').
1649: '</th><th colspan="'.scalar(@Apache::inputtags::response).'">'.
1650: &mt('Submitted Answer').'</th>';
1651: $output ='<table class="LC_prior_tries">'.$headers.$output.'</table>';
1652: #return $output;
1653: $output = &Apache::loncommon::js_ready($output);
1654: $output.='<br /><form action=""><center><input type="button" name="close" value="'.&mt('Close Window').'" onClick="window.close()" /></center></form>';
1655:
1656: my $windowopen=&Apache::lonhtmlcommon::javascript_docopen();
1657: my $tries_text = &get_tries_text('link');
1658: my $start_page =
1659: &Apache::loncommon::start_page($tries_text, undef,
1660: {'only_body' => 1,
1661: 'bgcolor' => '#FFFFFF',
1662: 'js_ready' => 1,
1663: 'inherit_jsmath' => 1, });
1664: my $end_page =
1665: &Apache::loncommon::end_page({'js_ready' => 1,});
1666: my $prefix = $env{'form.request.prefix'};
1667: $prefix =~ tr{.}{_};
1668: my $function_name = "LONCAPA_previous_tries_".$prefix.
1669: $Apache::lonxml::curdepth.'_'.$env{'form.counter'};
1670: my $result ="<script type=\"text/javascript\">
1671: // <![CDATA[
1672: function $function_name() {newWindow=open('','new_W','width=500,height=500,scrollbars=1,resizable=yes');newWindow.$windowopen;newWindow.document.writeln('$start_page $output $end_page');newWindow.document.close();newWindow.focus()}
1673: // ]]>
1674: </script><a href=\"javascript:$function_name();void(0);\">".&mt($tries_text)."</a><br />";
1675: #use Data::Dumper;
1676: #&Apache::lonnet::logthis(&Dumper(\%Apache::inputtags::submission_display));
1677: return $result;
1678: }
1679:
1680: sub get_tries_text {
1681: my ($context) = @_;
1682: my $tries_text;
1683: if ($context eq 'link') {
1684: $tries_text = 'Previous Tries';
1685: } else {
1686: $tries_text = 'Tries';
1687: }
1688: if ( $Apache::lonhomework::type eq 'survey' ||
1689: $Apache::lonhomework::type eq 'surveycred' ||
1690: $Apache::lonhomework::type eq 'anonsurvey' ||
1691: $Apache::lonhomework::type eq 'anonsurveycred' ||
1692: $Apache::lonhomework::parsing_a_task) {
1693: if ($context eq 'link') {
1694: $tries_text = 'Previous Submissions';
1695: } else {
1696: $tries_text = 'Submissions';
1697: }
1698: }
1699: return $tries_text;
1700: }
1701:
1702: 1;
1703: __END__
1704:
1705: =pod
1706:
1707: =back
1708:
1709: =cut
1710:
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