Annotation of loncom/homework/inputtags.pm, revision 1.194
1.43 albertel 1: # The LearningOnline Network with CAPA
2: # input definitons
1.47 albertel 3: #
1.194 ! banghart 4: # $Id: inputtags.pm,v 1.193 2006/05/30 18:08:35 albertel Exp $
1.47 albertel 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/
1.1 albertel 27:
28: package Apache::inputtags;
1.55 albertel 29: use HTML::Entities();
1.1 albertel 30: use strict;
1.82 www 31: use Apache::loncommon;
1.115 www 32: use Apache::lonlocal;
1.165 albertel 33: use Apache::lonnet;
1.192 www 34: use lib '/home/httpd/lib/perl/';
35: use LONCAPA;
36:
1.1 albertel 37:
1.50 harris41 38: BEGIN {
1.135 albertel 39: &Apache::lonxml::register('Apache::inputtags',('hiddenline','textfield','textline'));
1.1 albertel 40: }
41:
1.177 foxr 42: # Initializes a set of global variables used during the parse of the problem.
43: #
1.178 albertel 44: # @Apache::inputtags::input - List of current input ids.
45: # @Apache::inputtags::inputlist - List of all input ids seen this problem.
46: # @Apache::inputtags::response - List of all current resopnse ids.
47: # @Apache::inputtags::responselist - List of all response ids seen this
48: # problem.
49: # @Apache::inputtags::hint - List of all hint ids.
50: # @Apache::inputtags::hintlist - List of all hint ids seen this problem.
51: # @Apache::inputtags::previous - List describing if specific responseds
52: # have been used
53: # @Apache::inputtags::previous_version - Submission responses were used in.
54: # $Apache::inputtags::part - Current part id (valid only in
55: # <problem>)
56: # 0 if not in a part.
57: # @Apache::inputtags::partlist - List of part ids seen in the current
58: # <problem>
59: # @Apache::inputtags::status - List of problem statuses. First
60: # element is the status of the <problem>
61: # the remainder are for individual <part>s.
62: # %Apache::inputtags::params - Hash of defined parameters for the
63: # current response.
64: # @Apache::inputtags::import - List of all ids for <import> thes get
65: # join()ed and prepended.
66: # @Apache::inputtags::importlist - List of all import ids seen.
67: # $Apache::inputtags::response_with_no_part
68: # - Flag set true if we have seen a response
69: # that is not inside a <part>
70: # %Apache::inputtags::answertxt - <*response> tags store correct
71: # answer strings for display by <textline/>
72: # in this hash.
73:
1.1 albertel 74: sub initialize_inputtags {
1.135 albertel 75: @Apache::inputtags::input=();
76: @Apache::inputtags::inputlist=();
1.174 albertel 77: @Apache::inputtags::response=();
1.135 albertel 78: @Apache::inputtags::responselist=();
1.174 albertel 79: @Apache::inputtags::hint=();
1.173 albertel 80: @Apache::inputtags::hintlist=();
1.135 albertel 81: @Apache::inputtags::previous=();
82: @Apache::inputtags::previous_version=();
83: $Apache::inputtags::part='';
84: @Apache::inputtags::partlist=();
85: @Apache::inputtags::status=();
86: %Apache::inputtags::params=();
87: @Apache::inputtags::import=();
88: @Apache::inputtags::importlist=();
89: $Apache::inputtags::response_with_no_part=0;
1.144 albertel 90: %Apache::inputtags::answertxt=();
1.103 albertel 91: }
92:
93: sub check_for_duplicate_ids {
94: my %check;
95: foreach my $id (@Apache::inputtags::partlist,
96: @Apache::inputtags::responselist,
1.173 albertel 97: @Apache::inputtags::hintlist,
1.103 albertel 98: @Apache::inputtags::importlist) {
99: $check{$id}++;
100: }
101: my @duplicates;
102: foreach my $id (sort(keys(%check))) {
103: if ($check{$id} > 1) {
104: push(@duplicates,$id);
105: }
106: }
107: if (@duplicates) {
108: &Apache::lonxml::error("Duplicated ids found, problem will operate incorrectly. Duplicated ids seen: ",join(', ',@duplicates));
109: }
1.1 albertel 110: }
111:
1.14 albertel 112: sub start_input {
1.135 albertel 113: my ($parstack,$safeeval)=@_;
114: my $id = &Apache::lonxml::get_param('id',$parstack,$safeeval);
115: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
116: push (@Apache::inputtags::input,$id);
117: push (@Apache::inputtags::inputlist,$id);
118: return $id;
1.14 albertel 119: }
120:
121: sub end_input {
1.135 albertel 122: pop @Apache::inputtags::input;
123: return '';
1.14 albertel 124: }
125:
1.124 www 126: sub addchars {
127: my ($fieldid,$addchars)=@_;
128: my $output='';
129: foreach (split(/\,/,$addchars)) {
130: $output.='<a href="javascript:void(document.forms.lonhomework.'.
131: $fieldid.'.value+=\''.$_.'\')">'.$_.'</a> ';
132: }
133: return $output;
134: }
135:
1.48 albertel 136: sub start_textfield {
1.185 albertel 137: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.135 albertel 138: my $result = "";
139: my $id = &start_input($parstack,$safeeval);
140: my $resid=$Apache::inputtags::response[-1];
141: if ($target eq 'web') {
142: $Apache::lonxml::evaluate--;
143: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
144: my $partid=$Apache::inputtags::part;
1.138 albertel 145: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$resid.submission"},'<>&"');
1.135 albertel 146: my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
147: if ( $cols eq '') { $cols = 80; }
148: my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
1.143 www 149: if ( $rows eq '') { $rows = 16; }
1.135 albertel 150: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
151: $result='';
152: if ($addchars) {
153: $result.=&addchars('HWVAL_'.$resid,$addchars);
154: }
1.191 albertel 155: &Apache::lonhtmlcommon::add_htmlareafields('HWVAL_'.$resid);
1.143 www 156: $result.= '<textarea wrap="hard" name="HWVAL_'.$resid.'" id="HWVAL_'.$resid.'" '.
1.135 albertel 157: "rows=\"$rows\" cols=\"$cols\">".$oldresponse;
158: if ($oldresponse ne '') {
1.143 www 159:
1.135 albertel 160: #get rid of any startup text if the user has already responded
1.185 albertel 161: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
1.135 albertel 162: }
163: } else {
164: #right or wrong don't show it
165: #$result='<table border="1"><tr><td><i>'.$oldresponse.'</i></td></tr></table>';
166: $result='';
167: #get rid of any startup text
1.185 albertel 168: &Apache::lonxml::get_all_text("/textfield",$parser,$style);
1.61 albertel 169: }
1.135 albertel 170: } elsif ($target eq 'grade') {
1.185 albertel 171: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser,
172: $style);
1.165 albertel 173: if ($seedtext eq $env{'form.HWVAL_'.$resid}) {
1.135 albertel 174: # if the seed text is still there it wasn't a real submission
1.165 albertel 175: $env{'form.HWVAL_'.$resid}='';
1.135 albertel 176: }
177: } elsif ($target eq 'edit') {
178: $result.=&Apache::edit::tag_start($target,$token);
179: $result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
180: $result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
181: $result.=&Apache::edit::text_arg
182: ('Click-On Texts (comma sep):','addchars',$token,10);
1.185 albertel 183: my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser,
184: $style);
1.135 albertel 185: $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
186: } elsif ($target eq 'modified') {
187: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
188: $safeeval,'rows','cols',
189: 'addchars');
190: if ($constructtag) {
191: $result = &Apache::edit::rebuild_tag($token);
192: } else {
193: $result=$token->[4];
194: }
195: $result.=&Apache::edit::modifiedfield("/textfield",$parser);
196: } elsif ($target eq 'tex') {
197: my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
198: my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
199: if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
200: $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
201: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
202: $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
203: } else {
204: my $TeXwidth=$width_of_box/80;
205: $result = '\vskip 1 mm \fbox{\fbox{\parbox{'.$TeXwidth.'\textwidth-5mm}{';
206: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
207: $result.='}}}\vskip 2 mm ';
208: }
1.60 albertel 209: }
1.135 albertel 210: return $result;
1.6 albertel 211: }
212:
1.48 albertel 213: sub end_textfield {
1.135 albertel 214: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
215: my $result;
216: if ($target eq 'web') {
217: $Apache::lonxml::evaluate++;
218: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
219: return "</textarea>";
220: }
221: } elsif ($target eq 'edit') {
222: $result=&Apache::edit::end_table();
223: }
224: &end_input;
225: return $result;
1.6 albertel 226: }
227:
1.190 albertel 228: sub exam_score_line {
1.188 albertel 229: my ($target) = @_;
1.190 albertel 230:
1.188 albertel 231: my $result;
232: if ($target eq 'tex') {
233: my $repetition = &Apache::response::repetition();
234: $result.='\begin{enumerate}';
1.190 albertel 235: if ($env{'request.state'} eq "construct" ) {$result.='\item[\strut]';}
1.188 albertel 236: foreach my $i (0..$repetition-1) {
237: $result.='\item[\textbf{'.
238: ($Apache::lonxml::counter+$i).
239: '}.]\textit{Leave blank on scoring form}\vskip 0 mm';
240: }
241: $result.= '\end{enumerate}';
1.190 albertel 242: }
243:
244: return $result;
245: }
246:
247: sub exam_box {
248: my ($target) = @_;
249: my $result;
1.188 albertel 250:
1.190 albertel 251: if ($target eq 'tex') {
252: $result .= '\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
253: $result .= &exam_score_line($target);
1.188 albertel 254: } elsif ($target eq 'web') {
255: my $id=$Apache::inputtags::response[-1];
256: $result.= '<br /><br />
257: <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
258: </textarea> <br /><br />';
259: }
260: return $result;
261: }
262:
263: sub needs_exam_box {
264: my ($tagstack) = @_;
265: my @tags = ('formularesponse',
266: 'stringresponse',
267: 'reactionresponse',
268: 'organicresponse',
269: );
270:
271: foreach my $tag (@tags) {
272: if (grep(/\Q$tag\E/,@$tagstack)) {
273: return 1;
274: }
275: }
276: return 0;
277: }
278:
1.1 albertel 279: sub start_textline {
1.135 albertel 280: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
281: my $result = "";
282: if ($target eq 'web') {
283: $Apache::lonxml::evaluate--;
284: my $partid=$Apache::inputtags::part;
285: my $id=$Apache::inputtags::response[-1];
1.193 albertel 286: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER'
287: || $Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
1.135 albertel 288: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
289: my $maxlength;
290: if ($size eq '') { $size=20; } else {
291: if ($size < 20) { $maxlength=$size; }
292: }
1.138 albertel 293: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"},'<>&"');
1.135 albertel 294: if ($Apache::lonhomework::type ne 'exam') {
295: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
296: $result='';
297: if ($addchars) {
298: $result.=&addchars('HWVAL_'.$id,$addchars);
299: }
1.157 albertel 300: my $readonly=&Apache::lonxml::get_param('readonly',$parstack,
301: $safeeval);
1.193 albertel 302: if (lc($readonly) eq 'yes'
303: || $Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
1.157 albertel 304: $readonly=' readonly="readonly" ';
1.158 albertel 305: } else {
306: $readonly='';
1.157 albertel 307: }
1.193 albertel 308: my $name = 'HWVAL_'.$id;
309: if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
310: $name = "none";
311: }
312: $result.= '<input type="text" '.$readonly.' name="'.$name.'" value="'.
1.135 albertel 313: $oldresponse.'" size="'.$size.'" maxlength="'.$maxlength.'" />';
314: }
1.188 albertel 315: if ($Apache::lonhomework::type eq 'exam'
316: && &needs_exam_box($tagstack)) {
317: $result.=&exam_box($target);
318: }
1.135 albertel 319: } else {
320: #right or wrong don't show what was last typed in.
1.168 albertel 321: $result='<b>'.$Apache::inputtags::answertxt{$id}.'</b>';
1.144 albertel 322: #$result='';
1.135 albertel 323: }
324: } elsif ($target eq 'edit') {
325: $result=&Apache::edit::tag_start($target,$token);
326: $result.=&Apache::edit::text_arg('Size:','size',$token,'5').
1.157 albertel 327: &Apache::edit::text_arg('Click-On Texts (comma sep):',
328: 'addchars',$token,10);
329: $result.=&Apache::edit::select_arg('Readonly:','readonly',
330: ['no','yes'],$token);
331: $result.=&Apache::edit::end_row();
332: $result.=&Apache::edit::end_table();
1.135 albertel 333: } elsif ($target eq 'modified') {
1.157 albertel 334: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
335: $safeeval,'size',
336: 'addchars','readonly');
1.135 albertel 337: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.188 albertel 338: } elsif ($target eq 'tex'
339: && $Apache::lonhomework::type ne 'exam') {
1.135 albertel 340: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
341: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
342: $result='\framebox['.$size.'][s]{\tiny\strut}';
1.188 albertel 343:
344: } elsif ($target eq 'tex'
345: && $Apache::lonhomework::type eq 'exam'
346: && &needs_exam_box($tagstack)) {
347: $result.=&exam_box($target);
1.135 albertel 348: }
349: return $result;
1.1 albertel 350: }
351:
352: sub end_textline {
1.135 albertel 353: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
354: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
355: elsif ($target eq 'edit') { return ('','no'); }
356: return "";
1.9 albertel 357: }
358:
1.98 albertel 359: sub start_hiddenline {
360: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
361: my $result = "";
362: if ($target eq 'web') {
363: $Apache::lonxml::evaluate--;
364: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
365: my $partid=$Apache::inputtags::part;
366: my $id=$Apache::inputtags::response[-1];
1.138 albertel 367: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"},'<>&"');
1.98 albertel 368: if ($Apache::lonhomework::type ne 'exam') {
369: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
370: $oldresponse.'" />';
371: }
372: }
373: } elsif ($target eq 'edit') {
374: $result=&Apache::edit::tag_start($target,$token);
375: $result.=&Apache::edit::end_table;
376: }
1.189 albertel 377:
378: if ( ($target eq 'web' || $target eq 'tex')
379: && $Apache::lonhomework::type eq 'exam'
380: && &needs_exam_box($tagstack)) {
381: $result.=&exam_box($target);
382: }
1.98 albertel 383: return $result;
384: }
385:
386: sub end_hiddenline {
1.135 albertel 387: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
388: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
389: elsif ($target eq 'edit') { return ('','no'); }
390: return "";
1.98 albertel 391: }
392:
1.160 albertel 393: # $part -> partid
394: # $id -> responseid
395: # $uploadefiletypes -> comma seperated list of extensions allowed or * for any
396: # $which -> 'uploadedonly' -> only newly uploaded files
397: # 'portfolioonly' -> only allow files from portfolio
398: # 'both' -> allow files from either location
1.175 albertel 399: # $extratext -> additional text to go between the link and the input box
1.160 albertel 400: # returns a table row <tr>
401: sub file_selector {
1.175 albertel 402: my ($part,$id,$uploadedfiletypes,$which,$extratext)=@_;
1.160 albertel 403: if (!$uploadedfiletypes) { return ''; }
1.167 albertel 404:
405: my $jspart=$part;
406: $jspart=~s/\./_/g;
407:
1.160 albertel 408: my $result;
409:
1.162 albertel 410: $result.='<tr><td>';
411: if ($uploadedfiletypes ne '*') {
412: $result.=
413: &mt('Allowed filetypes: <b>[_1]</b>',$uploadedfiletypes).'<br />';
414: }
1.160 albertel 415: if ($which eq 'uploadonly' || $which eq 'both') {
416: $result.=&mt('Submit a file: (only one file can be uploaded)').
417: ' <br /><input type="file" size="50" name="HWFILE'.
1.167 albertel 418: $jspart.'_'.$id.'" /><br />';
1.160 albertel 419: my $uploadedfile= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.uploadedfile"},'<>&"');
420:
421: if ($uploadedfile) {
422: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
1.176 albertel 423: &Apache::lonxml::extlink($url);
1.160 albertel 424: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
425: my $icon=&Apache::loncommon::icon($url);
426: my $curfile='<a href="'.$url.'"><img src="'.$icon.
427: '" border="0" />'.$uploadedfile.'</a>';
428: $result.=&mt('Currently submitted: <tt>[_1]</tt>',$curfile);
429: } else {
430: #$result.=&mt('(Hand in a file you have prepared on your computer)');
431: }
432: }
433: if ( $which eq 'both') {
434: $result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
435: }
436: if ($which eq 'portfolioonly' || $which eq 'both') {
1.175 albertel 437: $result.=$extratext.'<a href='."'".'javascript:void(window.open("/adm/portfolio?mode=selectfile&fieldname=HWPORT'.$jspart.'_'.$id.'","cat","height=600,width=800,scrollbars=1,resizable=1,menubar=2,location=1"))'."'".'>'.
1.160 albertel 438: &mt('Select Portfolio Files').'</a><br />'.
1.167 albertel 439: '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
1.160 albertel 440: '<br />';
441: if ($Apache::lonhomework::history{"resource.$part.$id.portfiles"}=~/[^\s]/){
1.187 albertel 442: my (@filelist,@bad_file_list);
1.192 www 443: foreach my $file (split(',',&unescape($Apache::lonhomework::history{"resource.$part.$id.portfiles"}))) {
1.160 albertel 444: my (undef,undef,$domain,$user)=&Apache::lonxml::whichuser();
445: my $url="/uploaded/$domain/$user/portfolio$file";
446: my $icon=&Apache::loncommon::icon($url);
1.161 albertel 447: push(@filelist,'<a href="'.$url.'"><img src="'.$icon.
448: '" border="0" />'.$file.'</a>');
1.187 albertel 449: if (! &Apache::lonnet::stat_file($url)) {
1.194 ! banghart 450: &Apache::lonnet::logthis("bad file is $url");
1.187 albertel 451: push(@bad_file_list,'<a href="'.$url.'"><img src="'.$icon.
452: '" border="0" />'.$file.'</a>');
453: }
1.160 albertel 454: }
1.161 albertel 455: $result.=&mt("Portfolio files previously selected: <strong>[_1]</strong>",join(', ',@filelist));
1.187 albertel 456: if (@bad_file_list) {
457: $result.='<br />'.&mt('<font color="red">These file(s) don\'t exist:</font> <strong>[_1]</strong>',join(', ',@bad_file_list));
458: }
1.160 albertel 459: }
460: }
461: $result.='</td></tr>';
462: return $result;
463: }
464:
1.136 albertel 465: sub checkstatus {
466: my ($value,$awardref,$msgref)=@_;
467: for (my $i=0;$i<=$#$awardref;$i++) {
468: if ($$awardref[$i] eq $value) {
469: return ($$awardref[$i],$$msgref[$i]);
470: }
471: }
472: return(undef,undef);
473: }
474:
1.179 albertel 475: sub valid_award {
476: my ($award) =@_;
1.182 albertel 477: foreach my $possibleaward ('EXTRA_ANSWER','MISSING_ANSWER', 'ERROR',
478: 'NO_RESPONSE',
1.179 albertel 479: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
480: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
481: 'UNIT_FAIL', 'NO_UNIT',
482: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
483: 'BAD_FORMULA', 'SIG_FAIL', 'INCORRECT',
484: 'MISORDERED_RANK', 'INVALID_FILETYPE',
485: 'DRAFT', 'SUBMITTED', 'ASSIGNED_SCORE',
486: 'APPROX_ANS', 'EXACT_ANS','COMMA_FAIL') {
487: if ($award eq $possibleaward) { return 1; }
488: }
489: return 0;
490: }
491:
1.9 albertel 492: sub finalizeawards {
1.181 albertel 493: my ($awardref,$msgref,$nameref,$reverse)=@_;
1.136 albertel 494: my $result=undef;
1.135 albertel 495: my $award;
1.136 albertel 496: my $msg;
497: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
1.135 albertel 498: if ($result eq '' ) {
499: my $blankcount;
1.136 albertel 500: foreach $award (@$awardref) {
1.135 albertel 501: if ($award eq '') {
502: $result='MISSING_ANSWER';
503: $blankcount++;
504: }
505: }
1.136 albertel 506: if ($blankcount == ($#$awardref + 1)) { $result = 'NO_RESPONSE'; }
1.135 albertel 507: }
1.136 albertel 508: if (defined($result)) { return ($result,$msg); }
1.181 albertel 509:
510: # these awards are ordered from most important error through best correct
511:
1.182 albertel 512: my @awards = ('EXTRA_ANSWER', 'MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
513: 'TOO_LONG',
1.181 albertel 514: 'UNIT_INVALID_INSTRUCTOR', 'UNIT_INVALID_STUDENT',
515: 'UNIT_IRRECONCIBLE', 'UNIT_FAIL', 'NO_UNIT',
516: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC', 'BAD_FORMULA',
517: 'COMMA_FAIL', 'SIG_FAIL', 'INCORRECT', 'MISORDERED_RANK',
518: 'INVALID_FILETYPE', 'DRAFT', 'SUBMITTED', 'ASSIGNED_SCORE',
519: 'APPROX_ANS', 'EXACT_ANS');
520: if ($reverse) { @awards=reverse(@awards); }
521: foreach my $possibleaward (@awards) {
1.136 albertel 522: ($result,$msg)=&checkstatus($possibleaward,$awardref,$msgref);
523: if (defined($result)) { return ($result,$msg); }
1.135 albertel 524: }
1.136 albertel 525: return ('ERROR',undef);
1.9 albertel 526: }
527:
1.10 albertel 528: sub decideoutput {
1.169 albertel 529: my ($award,$awarded,$awardmsg,$solved,$previous,$target)=@_;
1.135 albertel 530: my $message='';
531: my $button=0;
532: my $previousmsg;
533: my $bgcolor='orange';
1.148 albertel 534: my $added_computer_text=0;
1.135 albertel 535: my %possiblecolors =
536: ( 'correct' => '#aaffaa',
537: 'charged_try' => '#ffaaaa',
538: 'not_charged_try' => '#ffffaa',
539: 'no_message' => '#fffff',
540: );
1.169 albertel 541:
1.180 albertel 542: my $part = $Apache::inputtags::part;
543: my $handgrade =
544: ('yes' eq lc(&Apache::lonnet::EXT("resource.$part.handgrade")));
545:
546: my $computer = ($handgrade)? ''
547: : " ".&mt("Computer's answer now shown above.");
548: &Apache::lonxml::debug("handgrade has :$handgrade:");
549:
1.135 albertel 550: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
551:
1.194 ! banghart 552: if ($solved =~ /^correct/) {
! 553: $bgcolor=$possiblecolors{'correct'};
1.170 albertel 554: $message=&mt('You are correct.');
555: if ($awarded < 1 && $awarded > 0) {
556: $message=&mt('You are partially correct.');
557: $bgcolor=$possiblecolors{'not_charged_try'};
558: } elsif ($awarded < 1) {
559: $message=&mt('Incorrect.');
560: $bgcolor=$possiblecolors{'charged_try'};
561: }
1.172 albertel 562: if ($env{'request.filename'} =~
563: m|/res/lib/templates/examupload.problem$|) {
564: $message = &mt("A score has been assigned.");
565: $added_computer_text=1;
1.135 albertel 566: } else {
1.172 albertel 567: if ($target eq 'tex') {
568: $message = '\textbf{'.$message.'}';
569: } else {
570: $message = "<b>".$message."</b>";
1.180 albertel 571: $message.= $computer;
1.135 albertel 572: }
1.172 albertel 573: $added_computer_text=1;
1.165 albertel 574: unless ($env{'course.'.
575: $env{'request.course.id'}.
1.135 albertel 576: '.disable_receipt_display'} eq 'yes') {
577: $message.=(($target eq 'web')?'<br />':' ').
578: &mt('Your receipt is').' '.&Apache::lonnet::receipt($Apache::inputtags::part).
579: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'');
580: }
581: }
582: $button=0;
583: $previousmsg='';
584: } elsif ($solved =~ /^excused/) {
585: if ($target eq 'tex') {
586: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
587: } else {
588: $message = "<b>".&mt('You are excused from the problem.')."</b>";
589: }
590: $bgcolor=$possiblecolors{'charged_try'};
591: $button=0;
592: $previousmsg='';
593: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
594: if ($solved =~ /^incorrect/ || $solved eq '') {
1.144 albertel 595: $message = &mt("Incorrect").".";
1.135 albertel 596: $bgcolor=$possiblecolors{'charged_try'};
597: $button=1;
598: } else {
1.144 albertel 599: if ($target eq 'tex') {
600: $message = '\textbf{'.&mt('You are correct.').'}';
601: } else {
602: $message = "<b>".&mt('You are correct.')."</b>";
1.180 albertel 603: $message.= $computer;
1.144 albertel 604: }
1.148 albertel 605: $added_computer_text=1;
1.165 albertel 606: unless ($env{'course.'.
607: $env{'request.course.id'}.
1.135 albertel 608: '.disable_receipt_display'} eq 'yes') {
609: $message.=(($target eq 'web')?'<br />':' ').
610: 'Your receipt is '.&Apache::lonnet::receipt($Apache::inputtags::part).
611: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'');
612: }
613: $bgcolor=$possiblecolors{'correct'};
614: $button=0;
615: $previousmsg='';
616: }
617: } elsif ($award eq 'NO_RESPONSE') {
618: $message = '';
619: $bgcolor=$possiblecolors{'no_feedback'};
620: $button=1;
1.182 albertel 621: } elsif ($award eq 'EXTRA_ANSWER') {
622: $message = &mt('Some extra items were submitted.');
623: $bgcolor=$possiblecolors{'not_charged_try'};
624: $button = 1;
1.135 albertel 625: } elsif ($award eq 'MISSING_ANSWER') {
626: $message = &mt('Some items were not submitted.');
627: $bgcolor=$possiblecolors{'not_charged_try'};
628: $button = 1;
629: } elsif ($award eq 'ERROR') {
630: $message = &mt('An error occured while grading your answer.');
631: $bgcolor=$possiblecolors{'not_charged_try'};
632: $button = 1;
633: } elsif ($award eq 'TOO_LONG') {
634: $message = &mt("The submitted answer was too long.");
635: $bgcolor=$possiblecolors{'not_charged_try'};
636: $button=1;
637: } elsif ($award eq 'WANTED_NUMERIC') {
638: $message = &mt("This question expects a numeric answer.");
639: $bgcolor=$possiblecolors{'not_charged_try'};
640: $button=1;
641: } elsif ($award eq 'MISORDERED_RANK') {
642: $message = &mt('You have provided an invalid ranking');
643: if ($target ne 'tex') {
1.159 albertel 644: $message.=', '.&mt('please refer to').' '.&Apache::loncommon::help_open_topic('Ranking_Problems','help on ranking problems');
1.135 albertel 645: }
646: $bgcolor=$possiblecolors{'not_charged_try'};
647: $button=1;
648: } elsif ($award eq 'INVALID_FILETYPE') {
1.166 albertel 649: $message = &mt('Submission won\'t be graded. The type of file submitted is not allowed.');
1.135 albertel 650: $bgcolor=$possiblecolors{'not_charged_try'};
651: $button=1;
652: } elsif ($award eq 'SIG_FAIL') {
1.145 albertel 653: my ($used,$min,$max)=split(':',$awardmsg);
654: my $word;
655: if ($used < $min) { $word=&mt('more'); }
656: if ($used > $max) { $word=&mt('fewer'); }
657: $message = &mt("Submission not graded. Use [_2] digits.",$used,$word);
1.135 albertel 658: $bgcolor=$possiblecolors{'not_charged_try'};
659: $button=1;
1.137 albertel 660: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
661: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
662: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
663: $bgcolor=$possiblecolors{'not_charged_try'};
664: $button=1;
665: } elsif ($award eq 'UNIT_INVALID_STUDENT') {
1.155 albertel 666: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
1.137 albertel 667: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
668: $bgcolor=$possiblecolors{'not_charged_try'};
669: $button=1;
1.140 matthew 670: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
1.155 albertel 671: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
1.136 albertel 672: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1.135 albertel 673: $bgcolor=$possiblecolors{'not_charged_try'};
674: $button=1;
675: } elsif ($award eq 'UNIT_NOTNEEDED') {
1.155 albertel 676: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
1.135 albertel 677: $bgcolor=$possiblecolors{'not_charged_try'};
678: $button=1;
679: } elsif ($award eq 'NO_UNIT') {
1.144 albertel 680: $message = &mt("Units required").'.';
1.135 albertel 681: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
682: $bgcolor=$possiblecolors{'not_charged_try'};
683: $button=1;
1.153 albertel 684: } elsif ($award eq 'COMMA_FAIL') {
685: $message = &mt("Proper comma separation is required").'.';
686: $bgcolor=$possiblecolors{'not_charged_try'};
687: $button=1;
1.135 albertel 688: } elsif ($award eq 'BAD_FORMULA') {
689: $message = &mt("Unable to understand formula");
690: $bgcolor=$possiblecolors{'not_charged_try'};
691: $button=1;
692: } elsif ($award eq 'INCORRECT') {
1.144 albertel 693: $message = &mt("Incorrect").'.';
1.135 albertel 694: $bgcolor=$possiblecolors{'charged_try'};
695: $button=1;
696: } elsif ($award eq 'SUBMITTED') {
697: $message = &mt("Your submission has been recorded.");
698: $bgcolor=$possiblecolors{'correct'};
699: $button=1;
700: } elsif ($award eq 'DRAFT') {
1.144 albertel 701: $message = &mt("A draft copy has been saved.");
1.135 albertel 702: $bgcolor=$possiblecolors{'not_charged_try'};
703: $button=1;
704: } elsif ($award eq 'ASSIGNED_SCORE') {
1.144 albertel 705: $message = &mt("A score has been assigned.");
1.135 albertel 706: $bgcolor=$possiblecolors{'correct'};
707: $button=0;
1.144 albertel 708: } elsif ($award eq '') {
1.186 albertel 709: if ($handgrade && $Apache::inputtags::status[-1] eq 'SHOW_ANSWER') {
710: $message = &mt("Nothing submitted.");
711: $bgcolor=$possiblecolors{'charged_try'};
712: } else {
713: $bgcolor=$possiblecolors{'not_charged_try'};
714: }
1.144 albertel 715: $button=1;
1.135 albertel 716: } else {
717: $message = &mt("Unknown message").": $award";
718: $button=1;
719: }
1.194 ! banghart 720: my (undef,undef,$domain,$user)=&Apache::lonxml::whichuser();
! 721: foreach my $resid(@Apache::inputtags::response){
! 722: &Apache::lonnet::logthis("handback is ".$Apache::lonhomework::history{"resource.$part.$resid.handback"});
! 723: if ($Apache::lonhomework::history{"resource.$part.$resid.handback"}) {
! 724: $message.= '<br /><a href="/uploaded/'."$domain/$user".'/portfolio/'.$Apache::lonhomework::history{"resource.$part.$resid.handback"}.'">Returned File</a>';
! 725: }
! 726: }
! 727:
1.135 albertel 728: if (lc($Apache::lonhomework::problemstatus) eq 'no' &&
729: $Apache::inputtags::status[-1] ne 'SHOW_ANSWER') {
730: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
731: $bgcolor=$possiblecolors{'correct'};
732: $button=1;
733: }
1.148 albertel 734: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
1.150 albertel 735: !$added_computer_text && $target ne 'tex') {
1.180 albertel 736: $message.= $computer;
1.148 albertel 737: $added_computer_text=1;
1.144 albertel 738: }
1.135 albertel 739: return ($button,$bgcolor,$message,$previousmsg);
1.12 albertel 740: }
741:
1.155 albertel 742: sub markup_unit {
743: my ($unit,$target)=@_;
744: if ($target eq 'tex') {
745: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
746: } else {
747: return "<tt>".$unit."</tt>";
748: }
749: }
750:
1.88 albertel 751: sub removealldata {
1.87 albertel 752: my ($id)=@_;
753: foreach my $key (keys(%Apache::lonhomework::results)) {
754: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
755: &Apache::lonxml::debug("Removing $key");
756: delete($Apache::lonhomework::results{$key});
757: }
758: }
759: }
760:
1.142 albertel 761: sub hidealldata {
762: my ($id)=@_;
763: foreach my $key (keys(%Apache::lonhomework::results)) {
764: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
765: &Apache::lonxml::debug("Hidding $key");
766: my $newkey=$key;
767: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
768: $Apache::lonhomework::results{$newkey}=
769: $Apache::lonhomework::results{$key};
770: delete($Apache::lonhomework::results{$key});
771: }
772: }
773: }
774:
1.12 albertel 775: sub setgradedata {
1.136 albertel 776: my ($award,$msg,$id,$previously_used) = @_;
1.154 albertel 777: if ($Apache::lonhomework::scantronmode &&
1.165 albertel 778: &Apache::lonnet::validCODE($env{'form.CODE'})) {
779: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
1.154 albertel 780: } elsif ($Apache::lonhomework::scantronmode &&
1.165 albertel 781: $env{'form.CODE'} eq '' &&
1.154 albertel 782: $Apache::lonhomework::history{"resource.CODE"} ne '') {
783: $Apache::lonhomework::results{"resource.CODE"}='';
1.141 albertel 784: }
1.154 albertel 785:
1.135 albertel 786: if (!$Apache::lonhomework::scantronmode &&
787: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
788: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
789: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1.87 albertel 790: return '';
1.135 albertel 791: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
792: /^correct/ || $Apache::lonhomework::scantronmode ||
793: lc($Apache::lonhomework::problemstatus) eq 'no') {
1.154 albertel 794: # the student doesn't already have it correct,
795: # or we are in a mode (scantron orno problem status) where a correct
796: # can become incorrect
797: # handle assignment of tries and solved status
1.135 albertel 798: my $solvemsg;
799: if ($Apache::lonhomework::scantronmode) {
800: $solvemsg='correct_by_scantron';
801: } else {
802: $solvemsg='correct_by_student';
803: }
804: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
805: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
806: }
807: if ( $award eq 'ASSIGNED_SCORE') {
808: $Apache::lonhomework::results{"resource.$id.tries"} =
809: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
810: $Apache::lonhomework::results{"resource.$id.solved"} =
811: $solvemsg;
812: my $numawards=scalar(@Apache::inputtags::response);
813: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
814: foreach my $res (@Apache::inputtags::response) {
815: $Apache::lonhomework::results{"resource.$id.awarded"}+=
816: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
817: }
818: if ($numawards > 0) {
819: $Apache::lonhomework::results{"resource.$id.awarded"}/=
820: $numawards;
821: }
822: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
823: $Apache::lonhomework::results{"resource.$id.tries"} =
824: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
825: $Apache::lonhomework::results{"resource.$id.solved"} =
826: $solvemsg;
827: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
828: } elsif ( $award eq 'INCORRECT' ) {
829: $Apache::lonhomework::results{"resource.$id.tries"} =
830: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1.152 albertel 831: if (lc($Apache::lonhomework::problemstatus) eq 'no' ||
832: $Apache::lonhomework::scantronmode) {
1.135 albertel 833: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
834: }
835: $Apache::lonhomework::results{"resource.$id.solved"} =
836: 'incorrect_attempted';
837: } elsif ( $award eq 'SUBMITTED' ) {
838: $Apache::lonhomework::results{"resource.$id.tries"} =
839: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
840: $Apache::lonhomework::results{"resource.$id.solved"} =
841: 'ungraded_attempted';
842: } elsif ( $award eq 'DRAFT' ) {
843: $Apache::lonhomework::results{"resource.$id.solved"} = '';
844: } elsif ( $award eq 'NO_RESPONSE' ) {
845: #no real response so delete any data that got stored
1.129 albertel 846: &removealldata($id);
847: return '';
848: } else {
1.135 albertel 849: $Apache::lonhomework::results{"resource.$id.solved"} =
850: 'incorrect_attempted';
1.152 albertel 851: if (lc($Apache::lonhomework::problemstatus) eq 'no' ||
852: $Apache::lonhomework::scantronmode) {
1.135 albertel 853: $Apache::lonhomework::results{"resource.$id.tries"} =
854: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
855: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
856: }
857: }
1.136 albertel 858: if (defined($msg)) {
859: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
860: }
1.135 albertel 861: # did either of the overall awards chage? If so ignore the
862: # previous check
863: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
864: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
865: ($Apache::lonhomework::results{"resource.$id.solved"} eq
866: $Apache::lonhomework::history{"resource.$id.solved"})) {
867: # check if this was a previous submission if it was delete the
868: # unneeded data and update the previously_used attribute
869: if ( $previously_used eq 'PREVIOUSLY_USED') {
870: if (lc($Apache::lonhomework::problemstatus) ne 'no') {
871: delete($Apache::lonhomework::results{"resource.$id.tries"});
872: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
873: }
874: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
875: #delete all data as they student didn't do anything, but save
876: #the list of collaborators.
877: &removealldata($id);
878: #and since they didn't do anything we were never here
879: return '';
880: } else {
881: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
882: }
1.101 albertel 883: }
1.135 albertel 884: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~
885: /^correct/ ) {
886: #delete all data as they student already has it correct
887: &removealldata($id);
888: #and since they didn't do anything we were never here
889: return '';
1.40 albertel 890: }
1.135 albertel 891: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1.184 albertel 892: if ($award eq 'SUBMITTED') {
893: &Apache::response::add_to_gradingqueue();
894: }
1.10 albertel 895: }
896:
1.9 albertel 897: sub grade {
1.135 albertel 898: my ($target) = @_;
899: my $id = $Apache::inputtags::part;
900: my $response='';
1.165 albertel 901: if ( defined $env{'form.submitted'}) {
1.136 albertel 902: my (@awards,@msgs);
1.135 albertel 903: foreach $response (@Apache::inputtags::response) {
904: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
905: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
906: &Apache::lonxml::debug("keeping $value from $response for $id");
907: push (@awards,$value);
1.136 albertel 908: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
909: &Apache::lonxml::debug("got message $value from $response for $id");
910: push (@msgs,$value);
1.135 albertel 911: }
1.136 albertel 912: my ($finalaward,$msg) = &finalizeawards(\@awards,\@msgs);
1.135 albertel 913: my $previously_used;
914: if ( $#Apache::inputtags::previous eq $#awards ) {
915: my $match=0;
916: my @matches;
917: foreach my $versionar (@Apache::inputtags::previous_version) {
918: foreach my $version (@$versionar) {
919: $matches[$version]++;
920: }
921: }
922: foreach my $elem (@matches) {if ($elem eq ($#awards+1)) {$match=1;}}
923: if ($match) {
924: $previously_used = 'PREVIOUSLY_LAST';
925: foreach my $value (@Apache::inputtags::previous) {
926: if ($value eq 'PREVIOUSLY_USED' ) {
927: $previously_used = $value;
928: last;
929: }
1.75 albertel 930: }
931: }
1.43 albertel 932: }
1.136 albertel 933: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
934: &setgradedata($finalaward,$msg,$id,$previously_used);
1.43 albertel 935: }
1.135 albertel 936: return '';
1.1 albertel 937: }
938:
1.11 albertel 939: sub gradestatus {
1.135 albertel 940: my ($id,$target) = @_;
941: my $showbutton = 1;
942: my $bgcolor = '';
943: my $message = '';
944: my $latemessage = '';
945: my $trystr='';
946: my $button='';
947: my $previousmsg='';
948:
949: my $status = $Apache::inputtags::status['-1'];
950: &Apache::lonxml::debug("gradestatus has :$status:");
1.183 albertel 951: if ( $status ne 'CLOSED'
952: && $status ne 'UNAVAILABLE'
953: && $status ne 'INVALID_ACCESS'
954: && $status ne 'NEEDS_CHECKIN'
955: && $status ne 'NOT_IN_A_SLOT') {
1.135 albertel 956: my $award = $Apache::lonhomework::history{"resource.$id.award"};
1.169 albertel 957: my $awarded = $Apache::lonhomework::history{"resource.$id.awarded"};
1.135 albertel 958: my $solved = $Apache::lonhomework::history{"resource.$id.solved"};
959: my $previous = $Apache::lonhomework::history{"resource.$id.previous"};
1.136 albertel 960: my $awardmsg = $Apache::lonhomework::history{"resource.$id.awardmsg"};
961: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1.144 albertel 962: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1.135 albertel 963: &Apache::lonxml::debug('Getting message');
964: ($showbutton,$bgcolor,$message,$previousmsg) =
1.169 albertel 965: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
966: $target);
1.135 albertel 967: if ($target eq 'tex') {
968: $message='\vskip 2 mm '.$message.' ';
969: } else {
970: $message="<td bgcolor=\"$bgcolor\">$message</td>";
971: if ($previousmsg) {
972: $previousmsg="<td bgcolor=\"#aaaaff\">$previousmsg</td>";
973: }
974: }
975: }
976: my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
977: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
978: &Apache::lonxml::debug("got maxtries of :$maxtries:");
979: #if tries are set to negative turn off the Tries/Button and messages
980: if (defined($maxtries) && $maxtries < 0) { return ''; }
981: if ( $tries eq '' ) { $tries = '0'; }
982: if ( $maxtries eq '' ) { $maxtries = '2'; }
983: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
984: my $tries_text=&mt('Tries');
1.164 albertel 985: if ( $Apache::lonhomework::type eq 'survey' ||
986: $Apache::lonhomework::parsing_a_task) {
987: $tries_text=&mt('Submissions');
988: }
1.135 albertel 989: if ( $showbutton ) {
990: if ($target eq 'tex') {
1.165 albertel 991: if ($env{'request.state'} ne "construct" && $Apache::lonhomework::type ne 'exam' && $env{'form.suppress_tries'} ne 'yes') {
1.135 albertel 992: $trystr = ' {\vskip 1 mm \small \textit{'.$tries_text.'} '.$tries.'/'.$maxtries.'} \vskip 2 mm ';
993: } else {
994: $trystr = '\vskip 0 mm ';
995: }
996: } else {
1.136 albertel 997: $trystr = "<td><nobr>".$tries_text." $tries";
1.164 albertel 998: if ($Apache::lonhomework::parsing_a_task) {
1.165 albertel 999: } elsif($env{'request.state'} ne 'construct') {
1.135 albertel 1000: $trystr.="/$maxtries";
1001: } else {
1002: if (defined($Apache::inputtags::params{'maxtries'})) {
1003: $trystr.="/".$Apache::inputtags::params{'maxtries'};
1004: }
1005: }
1.136 albertel 1006: $trystr.="</nobr></td>";
1.135 albertel 1007: }
1008: }
1009: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {$showbutton = 0;}
1010: if ( $showbutton ) {
1011: if ($target ne 'tex') {
1.156 albertel 1012: $button = '<input type="submit" name="submit_'.$id.'" value="'.&mt('Submit Answer').'" />';
1.135 albertel 1013: }
1014: }
1015: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
1016: #last submissions was after due date
1.163 albertel 1017: $latemessage=&mt(' The last submission was after the Due Date ');;
1018: if ($target eq 'web') {
1019: $latemessage='<td bgcolor="#ffaaaa">'.$latemessage.'</td>';
1.135 albertel 1020: }
1021: }
1022: }
1023: my $output= $previousmsg.$latemessage.$message.$trystr;
1024: if ($output =~ /^\s*$/) {
1025: return $button;
1.63 sakharuk 1026: } else {
1.135 albertel 1027: if ($target eq 'tex') {
1028: return $button.' \vskip 0 mm '.$output.' ';
1029: } else {
1030: return '<table><tr><td>'.$button.'</td>'.$output.'</tr></table>';
1031: }
1.63 sakharuk 1032: }
1.11 albertel 1033: }
1.1 albertel 1034: 1;
1035: __END__
1.43 albertel 1036:
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