Annotation of loncom/homework/inputtags.pm, revision 1.179
1.43 albertel 1: # The LearningOnline Network with CAPA
2: # input definitons
1.47 albertel 3: #
1.179 ! albertel 4: # $Id: inputtags.pm,v 1.178 2005/11/03 17:44:15 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;
1.1 albertel 34:
1.50 harris41 35: BEGIN {
1.135 albertel 36: &Apache::lonxml::register('Apache::inputtags',('hiddenline','textfield','textline'));
1.1 albertel 37: }
38:
1.177 foxr 39: # Initializes a set of global variables used during the parse of the problem.
40: #
1.178 albertel 41: # @Apache::inputtags::input - List of current input ids.
42: # @Apache::inputtags::inputlist - List of all input ids seen this problem.
43: # @Apache::inputtags::response - List of all current resopnse ids.
44: # @Apache::inputtags::responselist - List of all response ids seen this
45: # problem.
46: # @Apache::inputtags::hint - List of all hint ids.
47: # @Apache::inputtags::hintlist - List of all hint ids seen this problem.
48: # @Apache::inputtags::previous - List describing if specific responseds
49: # have been used
50: # @Apache::inputtags::previous_version - Submission responses were used in.
51: # $Apache::inputtags::part - Current part id (valid only in
52: # <problem>)
53: # 0 if not in a part.
54: # @Apache::inputtags::partlist - List of part ids seen in the current
55: # <problem>
56: # @Apache::inputtags::status - List of problem statuses. First
57: # element is the status of the <problem>
58: # the remainder are for individual <part>s.
59: # %Apache::inputtags::params - Hash of defined parameters for the
60: # current response.
61: # @Apache::inputtags::import - List of all ids for <import> thes get
62: # join()ed and prepended.
63: # @Apache::inputtags::importlist - List of all import ids seen.
64: # $Apache::inputtags::response_with_no_part
65: # - Flag set true if we have seen a response
66: # that is not inside a <part>
67: # %Apache::inputtags::answertxt - <*response> tags store correct
68: # answer strings for display by <textline/>
69: # in this hash.
70:
1.1 albertel 71: sub initialize_inputtags {
1.135 albertel 72: @Apache::inputtags::input=();
73: @Apache::inputtags::inputlist=();
1.174 albertel 74: @Apache::inputtags::response=();
1.135 albertel 75: @Apache::inputtags::responselist=();
1.174 albertel 76: @Apache::inputtags::hint=();
1.173 albertel 77: @Apache::inputtags::hintlist=();
1.135 albertel 78: @Apache::inputtags::previous=();
79: @Apache::inputtags::previous_version=();
80: $Apache::inputtags::part='';
81: @Apache::inputtags::partlist=();
82: @Apache::inputtags::status=();
83: %Apache::inputtags::params=();
84: @Apache::inputtags::import=();
85: @Apache::inputtags::importlist=();
86: $Apache::inputtags::response_with_no_part=0;
1.144 albertel 87: %Apache::inputtags::answertxt=();
1.103 albertel 88: }
89:
90: sub check_for_duplicate_ids {
91: my %check;
92: foreach my $id (@Apache::inputtags::partlist,
93: @Apache::inputtags::responselist,
1.173 albertel 94: @Apache::inputtags::hintlist,
1.103 albertel 95: @Apache::inputtags::importlist) {
96: $check{$id}++;
97: }
98: my @duplicates;
99: foreach my $id (sort(keys(%check))) {
100: if ($check{$id} > 1) {
101: push(@duplicates,$id);
102: }
103: }
104: if (@duplicates) {
105: &Apache::lonxml::error("Duplicated ids found, problem will operate incorrectly. Duplicated ids seen: ",join(', ',@duplicates));
106: }
1.1 albertel 107: }
108:
1.14 albertel 109: sub start_input {
1.135 albertel 110: my ($parstack,$safeeval)=@_;
111: my $id = &Apache::lonxml::get_param('id',$parstack,$safeeval);
112: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
113: push (@Apache::inputtags::input,$id);
114: push (@Apache::inputtags::inputlist,$id);
115: return $id;
1.14 albertel 116: }
117:
118: sub end_input {
1.135 albertel 119: pop @Apache::inputtags::input;
120: return '';
1.14 albertel 121: }
122:
1.124 www 123: sub addchars {
124: my ($fieldid,$addchars)=@_;
125: my $output='';
126: foreach (split(/\,/,$addchars)) {
127: $output.='<a href="javascript:void(document.forms.lonhomework.'.
128: $fieldid.'.value+=\''.$_.'\')">'.$_.'</a> ';
129: }
130: return $output;
131: }
132:
1.48 albertel 133: sub start_textfield {
1.135 albertel 134: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
135: my $result = "";
136: my $id = &start_input($parstack,$safeeval);
137: my $resid=$Apache::inputtags::response[-1];
138: if ($target eq 'web') {
139: $Apache::lonxml::evaluate--;
140: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
141: my $partid=$Apache::inputtags::part;
1.138 albertel 142: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$resid.submission"},'<>&"');
1.135 albertel 143: my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
144: if ( $cols eq '') { $cols = 80; }
145: my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
1.143 www 146: if ( $rows eq '') { $rows = 16; }
1.135 albertel 147: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
148: $result='';
149: if ($addchars) {
150: $result.=&addchars('HWVAL_'.$resid,$addchars);
151: }
1.143 www 152: push @Apache::lonxml::htmlareafields,'HWVAL_'.$resid;
153: $result.= '<textarea wrap="hard" name="HWVAL_'.$resid.'" id="HWVAL_'.$resid.'" '.
1.135 albertel 154: "rows=\"$rows\" cols=\"$cols\">".$oldresponse;
155: if ($oldresponse ne '') {
1.143 www 156:
1.135 albertel 157: #get rid of any startup text if the user has already responded
158: &Apache::lonxml::get_all_text("/textfield",$parser);
159: }
160: } else {
161: #right or wrong don't show it
162: #$result='<table border="1"><tr><td><i>'.$oldresponse.'</i></td></tr></table>';
163: $result='';
164: #get rid of any startup text
1.84 albertel 165: &Apache::lonxml::get_all_text("/textfield",$parser);
1.61 albertel 166: }
1.135 albertel 167: } elsif ($target eq 'grade') {
168: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$parser);
1.165 albertel 169: if ($seedtext eq $env{'form.HWVAL_'.$resid}) {
1.135 albertel 170: # if the seed text is still there it wasn't a real submission
1.165 albertel 171: $env{'form.HWVAL_'.$resid}='';
1.135 albertel 172: }
173: } elsif ($target eq 'edit') {
174: $result.=&Apache::edit::tag_start($target,$token);
175: $result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
176: $result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
177: $result.=&Apache::edit::text_arg
178: ('Click-On Texts (comma sep):','addchars',$token,10);
179: my $bodytext=&Apache::lonxml::get_all_text("/textfield",$parser);
180: $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
181: } elsif ($target eq 'modified') {
182: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
183: $safeeval,'rows','cols',
184: 'addchars');
185: if ($constructtag) {
186: $result = &Apache::edit::rebuild_tag($token);
187: } else {
188: $result=$token->[4];
189: }
190: $result.=&Apache::edit::modifiedfield("/textfield",$parser);
191: } elsif ($target eq 'tex') {
192: my $number_of_lines = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
193: my $width_of_box = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
194: if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
195: $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
196: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
197: $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
198: } else {
199: my $TeXwidth=$width_of_box/80;
200: $result = '\vskip 1 mm \fbox{\fbox{\parbox{'.$TeXwidth.'\textwidth-5mm}{';
201: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
202: $result.='}}}\vskip 2 mm ';
203: }
1.60 albertel 204: }
1.135 albertel 205: return $result;
1.6 albertel 206: }
207:
1.48 albertel 208: sub end_textfield {
1.135 albertel 209: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
210: my $result;
211: if ($target eq 'web') {
212: $Apache::lonxml::evaluate++;
213: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
214: return "</textarea>";
215: }
216: } elsif ($target eq 'edit') {
217: $result=&Apache::edit::end_table();
218: }
219: &end_input;
220: return $result;
1.6 albertel 221: }
222:
1.1 albertel 223: sub start_textline {
1.135 albertel 224: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
225: my $result = "";
226: if ($target eq 'web') {
227: $Apache::lonxml::evaluate--;
228: my $partid=$Apache::inputtags::part;
229: my $id=$Apache::inputtags::response[-1];
230: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
231: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
232: my $maxlength;
233: if ($size eq '') { $size=20; } else {
234: if ($size < 20) { $maxlength=$size; }
235: }
1.138 albertel 236: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"},'<>&"');
1.135 albertel 237: if ($Apache::lonhomework::type ne 'exam') {
238: my $addchars=&Apache::lonxml::get_param('addchars',$parstack,$safeeval);
239: $result='';
240: if ($addchars) {
241: $result.=&addchars('HWVAL_'.$id,$addchars);
242: }
1.157 albertel 243: my $readonly=&Apache::lonxml::get_param('readonly',$parstack,
244: $safeeval);
245: if (lc($readonly) eq 'yes') {
246: $readonly=' readonly="readonly" ';
1.158 albertel 247: } else {
248: $readonly='';
1.157 albertel 249: }
250: $result.= '<input type="text" '.$readonly.' name="HWVAL_'.$id.'" value="'.
1.135 albertel 251: $oldresponse.'" size="'.$size.'" maxlength="'.$maxlength.'" />';
252: }
253: } else {
254: #right or wrong don't show what was last typed in.
1.168 albertel 255: $result='<b>'.$Apache::inputtags::answertxt{$id}.'</b>';
1.144 albertel 256: #$result='';
1.135 albertel 257: }
258: } elsif ($target eq 'edit') {
259: $result=&Apache::edit::tag_start($target,$token);
260: $result.=&Apache::edit::text_arg('Size:','size',$token,'5').
1.157 albertel 261: &Apache::edit::text_arg('Click-On Texts (comma sep):',
262: 'addchars',$token,10);
263: $result.=&Apache::edit::select_arg('Readonly:','readonly',
264: ['no','yes'],$token);
265: $result.=&Apache::edit::end_row();
266: $result.=&Apache::edit::end_table();
1.135 albertel 267: } elsif ($target eq 'modified') {
1.157 albertel 268: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
269: $safeeval,'size',
270: 'addchars','readonly');
1.135 albertel 271: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
272: } elsif ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
273: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
274: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
275: $result='\framebox['.$size.'][s]{\tiny\strut}';
276: }
277: return $result;
1.1 albertel 278: }
279:
280: sub end_textline {
1.135 albertel 281: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
282: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
283: elsif ($target eq 'edit') { return ('','no'); }
284: return "";
1.9 albertel 285: }
286:
1.98 albertel 287: sub start_hiddenline {
288: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
289: my $result = "";
290: if ($target eq 'web') {
291: $Apache::lonxml::evaluate--;
292: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
293: my $partid=$Apache::inputtags::part;
294: my $id=$Apache::inputtags::response[-1];
1.138 albertel 295: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"},'<>&"');
1.98 albertel 296: if ($Apache::lonhomework::type ne 'exam') {
297: $result= '<input type="hidden" name="HWVAL_'.$id.'" value="'.
298: $oldresponse.'" />';
299: }
300: }
301: } elsif ($target eq 'edit') {
302: $result=&Apache::edit::tag_start($target,$token);
303: $result.=&Apache::edit::end_table;
304: }
305: return $result;
306: }
307:
308: sub end_hiddenline {
1.135 albertel 309: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
310: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
311: elsif ($target eq 'edit') { return ('','no'); }
312: return "";
1.98 albertel 313: }
314:
1.160 albertel 315: # $part -> partid
316: # $id -> responseid
317: # $uploadefiletypes -> comma seperated list of extensions allowed or * for any
318: # $which -> 'uploadedonly' -> only newly uploaded files
319: # 'portfolioonly' -> only allow files from portfolio
320: # 'both' -> allow files from either location
1.175 albertel 321: # $extratext -> additional text to go between the link and the input box
1.160 albertel 322: # returns a table row <tr>
323: sub file_selector {
1.175 albertel 324: my ($part,$id,$uploadedfiletypes,$which,$extratext)=@_;
1.160 albertel 325: if (!$uploadedfiletypes) { return ''; }
1.167 albertel 326:
327: my $jspart=$part;
328: $jspart=~s/\./_/g;
329:
1.160 albertel 330: my $result;
331:
1.162 albertel 332: $result.='<tr><td>';
333: if ($uploadedfiletypes ne '*') {
334: $result.=
335: &mt('Allowed filetypes: <b>[_1]</b>',$uploadedfiletypes).'<br />';
336: }
1.160 albertel 337: if ($which eq 'uploadonly' || $which eq 'both') {
338: $result.=&mt('Submit a file: (only one file can be uploaded)').
339: ' <br /><input type="file" size="50" name="HWFILE'.
1.167 albertel 340: $jspart.'_'.$id.'" /><br />';
1.160 albertel 341: my $uploadedfile= &HTML::Entities::encode($Apache::lonhomework::history{"resource.$part.$id.uploadedfile"},'<>&"');
342:
343: if ($uploadedfile) {
344: my $url=$Apache::lonhomework::history{"resource.$part.$id.uploadedurl"};
1.176 albertel 345: &Apache::lonxml::extlink($url);
1.160 albertel 346: &Apache::lonnet::allowuploaded('/adm/essayresponse',$url);
347: my $icon=&Apache::loncommon::icon($url);
348: my $curfile='<a href="'.$url.'"><img src="'.$icon.
349: '" border="0" />'.$uploadedfile.'</a>';
350: $result.=&mt('Currently submitted: <tt>[_1]</tt>',$curfile);
351: } else {
352: #$result.=&mt('(Hand in a file you have prepared on your computer)');
353: }
354: }
355: if ( $which eq 'both') {
356: $result.='<br />'.'<strong>'.&mt('OR:').'</strong><br />';
357: }
358: if ($which eq 'portfolioonly' || $which eq 'both') {
1.175 albertel 359: $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 360: &mt('Select Portfolio Files').'</a><br />'.
1.167 albertel 361: '<input type="text" size="50" name="HWPORT'.$jspart.'_'.$id.'" value="" />'.
1.160 albertel 362: '<br />';
363: if ($Apache::lonhomework::history{"resource.$part.$id.portfiles"}=~/[^\s]/){
1.161 albertel 364: my @filelist;
1.160 albertel 365: foreach my $file (split(',',&Apache::lonnet::unescape($Apache::lonhomework::history{"resource.$part.$id.portfiles"}))) {
366: my (undef,undef,$domain,$user)=&Apache::lonxml::whichuser();
367: my $url="/uploaded/$domain/$user/portfolio$file";
368: my $icon=&Apache::loncommon::icon($url);
1.161 albertel 369: push(@filelist,'<a href="'.$url.'"><img src="'.$icon.
370: '" border="0" />'.$file.'</a>');
1.160 albertel 371: }
1.161 albertel 372: $result.=&mt("Portfolio files previously selected: <strong>[_1]</strong>",join(', ',@filelist));
1.160 albertel 373: }
374: }
375: $result.='</td></tr>';
376: return $result;
377: }
378:
1.136 albertel 379: sub checkstatus {
380: my ($value,$awardref,$msgref)=@_;
381: for (my $i=0;$i<=$#$awardref;$i++) {
382: if ($$awardref[$i] eq $value) {
383: return ($$awardref[$i],$$msgref[$i]);
384: }
385: }
386: return(undef,undef);
387: }
388:
1.179 ! albertel 389: sub valid_award {
! 390: my ($award) =@_;
! 391: foreach my $possibleaward ('MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
! 392: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
! 393: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
! 394: 'UNIT_FAIL', 'NO_UNIT',
! 395: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
! 396: 'BAD_FORMULA', 'SIG_FAIL', 'INCORRECT',
! 397: 'MISORDERED_RANK', 'INVALID_FILETYPE',
! 398: 'DRAFT', 'SUBMITTED', 'ASSIGNED_SCORE',
! 399: 'APPROX_ANS', 'EXACT_ANS','COMMA_FAIL') {
! 400: if ($award eq $possibleaward) { return 1; }
! 401: }
! 402: return 0;
! 403: }
! 404:
1.9 albertel 405: sub finalizeawards {
1.136 albertel 406: my ($awardref,$msgref)=@_;
407: my $result=undef;
1.135 albertel 408: my $award;
1.136 albertel 409: my $msg;
410: if ($#$awardref == -1) { $result = "NO_RESPONSE"; }
1.135 albertel 411: if ($result eq '' ) {
412: my $blankcount;
1.136 albertel 413: foreach $award (@$awardref) {
1.135 albertel 414: if ($award eq '') {
415: $result='MISSING_ANSWER';
416: $blankcount++;
417: }
418: }
1.136 albertel 419: if ($blankcount == ($#$awardref + 1)) { $result = 'NO_RESPONSE'; }
1.135 albertel 420: }
1.136 albertel 421: if (defined($result)) { return ($result,$msg); }
422: foreach my $possibleaward ('MISSING_ANSWER', 'ERROR', 'NO_RESPONSE',
1.137 albertel 423: 'TOO_LONG', 'UNIT_INVALID_INSTRUCTOR',
424: 'UNIT_INVALID_STUDENT', 'UNIT_IRRECONCIBLE',
425: 'UNIT_FAIL', 'NO_UNIT',
1.136 albertel 426: 'UNIT_NOTNEEDED', 'WANTED_NUMERIC',
427: 'BAD_FORMULA', 'SIG_FAIL', 'INCORRECT',
428: 'MISORDERED_RANK', 'INVALID_FILETYPE',
429: 'DRAFT', 'SUBMITTED', 'ASSIGNED_SCORE',
1.153 albertel 430: 'APPROX_ANS', 'EXACT_ANS','COMMA_FAIL') {
1.136 albertel 431: ($result,$msg)=&checkstatus($possibleaward,$awardref,$msgref);
432: if (defined($result)) { return ($result,$msg); }
1.135 albertel 433: }
1.136 albertel 434: return ('ERROR',undef);
1.9 albertel 435: }
436:
1.10 albertel 437: sub decideoutput {
1.169 albertel 438: my ($award,$awarded,$awardmsg,$solved,$previous,$target)=@_;
1.135 albertel 439: my $message='';
440: my $button=0;
441: my $previousmsg;
442: my $bgcolor='orange';
1.148 albertel 443: my $added_computer_text=0;
1.135 albertel 444: my %possiblecolors =
445: ( 'correct' => '#aaffaa',
446: 'charged_try' => '#ffaaaa',
447: 'not_charged_try' => '#ffffaa',
448: 'no_message' => '#fffff',
449: );
1.169 albertel 450:
1.135 albertel 451: if ($previous) { $previousmsg=&mt('You have entered that answer before'); }
452:
453: if ($solved =~ /^correct/) {
1.169 albertel 454: $bgcolor=$possiblecolors{'correct'};
1.170 albertel 455: $message=&mt('You are correct.');
456: if ($awarded < 1 && $awarded > 0) {
457: $message=&mt('You are partially correct.');
458: $bgcolor=$possiblecolors{'not_charged_try'};
459: } elsif ($awarded < 1) {
460: $message=&mt('Incorrect.');
461: $bgcolor=$possiblecolors{'charged_try'};
462: }
1.172 albertel 463: if ($env{'request.filename'} =~
464: m|/res/lib/templates/examupload.problem$|) {
465: $message = &mt("A score has been assigned.");
466: $added_computer_text=1;
1.135 albertel 467: } else {
1.172 albertel 468: if ($target eq 'tex') {
469: $message = '\textbf{'.$message.'}';
470: } else {
471: $message = "<b>".$message."</b>";
1.150 albertel 472: $message.=" ".&mt("Computer's answer now shown above.");
1.135 albertel 473: }
1.172 albertel 474: $added_computer_text=1;
1.165 albertel 475: unless ($env{'course.'.
476: $env{'request.course.id'}.
1.135 albertel 477: '.disable_receipt_display'} eq 'yes') {
478: $message.=(($target eq 'web')?'<br />':' ').
479: &mt('Your receipt is').' '.&Apache::lonnet::receipt($Apache::inputtags::part).
480: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'');
481: }
482: }
483: $button=0;
484: $previousmsg='';
485: } elsif ($solved =~ /^excused/) {
486: if ($target eq 'tex') {
487: $message = ' \textbf{'.&mt('You are excused from the problem.').'} ';
488: } else {
489: $message = "<b>".&mt('You are excused from the problem.')."</b>";
490: }
491: $bgcolor=$possiblecolors{'charged_try'};
492: $button=0;
493: $previousmsg='';
494: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
495: if ($solved =~ /^incorrect/ || $solved eq '') {
1.144 albertel 496: $message = &mt("Incorrect").".";
1.135 albertel 497: $bgcolor=$possiblecolors{'charged_try'};
498: $button=1;
499: } else {
1.144 albertel 500: if ($target eq 'tex') {
501: $message = '\textbf{'.&mt('You are correct.').'}';
502: } else {
503: $message = "<b>".&mt('You are correct.')."</b>";
1.150 albertel 504: $message.=" ".&mt("Computer's answer now shown above.");
1.144 albertel 505: }
1.148 albertel 506: $added_computer_text=1;
1.165 albertel 507: unless ($env{'course.'.
508: $env{'request.course.id'}.
1.135 albertel 509: '.disable_receipt_display'} eq 'yes') {
510: $message.=(($target eq 'web')?'<br />':' ').
511: 'Your receipt is '.&Apache::lonnet::receipt($Apache::inputtags::part).
512: (($target eq 'web')?&Apache::loncommon::help_open_topic('Receipt'):'');
513: }
514: $bgcolor=$possiblecolors{'correct'};
515: $button=0;
516: $previousmsg='';
517: }
518: } elsif ($award eq 'NO_RESPONSE') {
519: $message = '';
520: $bgcolor=$possiblecolors{'no_feedback'};
521: $button=1;
522: } elsif ($award eq 'MISSING_ANSWER') {
523: $message = &mt('Some items were not submitted.');
524: $bgcolor=$possiblecolors{'not_charged_try'};
525: $button = 1;
526: } elsif ($award eq 'ERROR') {
527: $message = &mt('An error occured while grading your answer.');
528: $bgcolor=$possiblecolors{'not_charged_try'};
529: $button = 1;
530: } elsif ($award eq 'TOO_LONG') {
531: $message = &mt("The submitted answer was too long.");
532: $bgcolor=$possiblecolors{'not_charged_try'};
533: $button=1;
534: } elsif ($award eq 'WANTED_NUMERIC') {
535: $message = &mt("This question expects a numeric answer.");
536: $bgcolor=$possiblecolors{'not_charged_try'};
537: $button=1;
538: } elsif ($award eq 'MISORDERED_RANK') {
539: $message = &mt('You have provided an invalid ranking');
540: if ($target ne 'tex') {
1.159 albertel 541: $message.=', '.&mt('please refer to').' '.&Apache::loncommon::help_open_topic('Ranking_Problems','help on ranking problems');
1.135 albertel 542: }
543: $bgcolor=$possiblecolors{'not_charged_try'};
544: $button=1;
545: } elsif ($award eq 'INVALID_FILETYPE') {
1.166 albertel 546: $message = &mt('Submission won\'t be graded. The type of file submitted is not allowed.');
1.135 albertel 547: $bgcolor=$possiblecolors{'not_charged_try'};
548: $button=1;
549: } elsif ($award eq 'SIG_FAIL') {
1.145 albertel 550: my ($used,$min,$max)=split(':',$awardmsg);
551: my $word;
552: if ($used < $min) { $word=&mt('more'); }
553: if ($used > $max) { $word=&mt('fewer'); }
554: $message = &mt("Submission not graded. Use [_2] digits.",$used,$word);
1.135 albertel 555: $bgcolor=$possiblecolors{'not_charged_try'};
556: $button=1;
1.137 albertel 557: } elsif ($award eq 'UNIT_INVALID_INSTRUCTOR') {
558: $message = &mt('Error in instructor specifed unit. This error has been reported to the instructor.', $awardmsg);
559: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
560: $bgcolor=$possiblecolors{'not_charged_try'};
561: $button=1;
562: } elsif ($award eq 'UNIT_INVALID_STUDENT') {
1.155 albertel 563: $message = &mt('Unable to interpret units. Computer reads units as "[_1]".',&markup_unit($awardmsg,$target));
1.137 albertel 564: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
565: $bgcolor=$possiblecolors{'not_charged_try'};
566: $button=1;
1.140 matthew 567: } elsif ($award eq 'UNIT_FAIL' || $award eq 'UNIT_IRRECONCIBLE') {
1.155 albertel 568: $message = &mt('Incompatible units. No conversion found between "[_1]" and the required units.',&markup_unit($awardmsg,$target));
1.136 albertel 569: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units');}
1.135 albertel 570: $bgcolor=$possiblecolors{'not_charged_try'};
571: $button=1;
572: } elsif ($award eq 'UNIT_NOTNEEDED') {
1.155 albertel 573: $message = &mt('Only a number required. Computer reads units of "[_1]".',&markup_unit($awardmsg,$target));
1.135 albertel 574: $bgcolor=$possiblecolors{'not_charged_try'};
575: $button=1;
576: } elsif ($award eq 'NO_UNIT') {
1.144 albertel 577: $message = &mt("Units required").'.';
1.135 albertel 578: if ($target ne 'tex') {$message.=&Apache::loncommon::help_open_topic('Physical_Units')};
579: $bgcolor=$possiblecolors{'not_charged_try'};
580: $button=1;
1.153 albertel 581: } elsif ($award eq 'COMMA_FAIL') {
582: $message = &mt("Proper comma separation is required").'.';
583: $bgcolor=$possiblecolors{'not_charged_try'};
584: $button=1;
1.135 albertel 585: } elsif ($award eq 'BAD_FORMULA') {
586: $message = &mt("Unable to understand formula");
587: $bgcolor=$possiblecolors{'not_charged_try'};
588: $button=1;
589: } elsif ($award eq 'INCORRECT') {
1.144 albertel 590: $message = &mt("Incorrect").'.';
1.135 albertel 591: $bgcolor=$possiblecolors{'charged_try'};
592: $button=1;
593: } elsif ($award eq 'SUBMITTED') {
594: $message = &mt("Your submission has been recorded.");
595: $bgcolor=$possiblecolors{'correct'};
596: $button=1;
597: } elsif ($award eq 'DRAFT') {
1.144 albertel 598: $message = &mt("A draft copy has been saved.");
1.135 albertel 599: $bgcolor=$possiblecolors{'not_charged_try'};
600: $button=1;
601: } elsif ($award eq 'ASSIGNED_SCORE') {
1.144 albertel 602: $message = &mt("A score has been assigned.");
1.135 albertel 603: $bgcolor=$possiblecolors{'correct'};
604: $button=0;
1.144 albertel 605: } elsif ($award eq '') {
606: $bgcolor=$possiblecolors{'not_charged_try'};
607: $button=1;
1.135 albertel 608: } else {
609: $message = &mt("Unknown message").": $award";
610: $button=1;
611: }
612: if (lc($Apache::lonhomework::problemstatus) eq 'no' &&
613: $Apache::inputtags::status[-1] ne 'SHOW_ANSWER') {
614: $message = &mt("Answer Submitted: Your final submission will be graded after the due date.");
615: $bgcolor=$possiblecolors{'correct'};
616: $button=1;
617: }
1.148 albertel 618: if ($Apache::inputtags::status[-1] eq 'SHOW_ANSWER' &&
1.150 albertel 619: !$added_computer_text && $target ne 'tex') {
1.149 albertel 620: $message.=" ".&mt("Computer's answer now shown above.");
1.148 albertel 621: $added_computer_text=1;
1.144 albertel 622: }
1.135 albertel 623: return ($button,$bgcolor,$message,$previousmsg);
1.12 albertel 624: }
625:
1.155 albertel 626: sub markup_unit {
627: my ($unit,$target)=@_;
628: if ($target eq 'tex') {
629: return '\texttt{'.&Apache::lonxml::latex_special_symbols($unit).'}';
630: } else {
631: return "<tt>".$unit."</tt>";
632: }
633: }
634:
1.88 albertel 635: sub removealldata {
1.87 albertel 636: my ($id)=@_;
637: foreach my $key (keys(%Apache::lonhomework::results)) {
638: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
639: &Apache::lonxml::debug("Removing $key");
640: delete($Apache::lonhomework::results{$key});
641: }
642: }
643: }
644:
1.142 albertel 645: sub hidealldata {
646: my ($id)=@_;
647: foreach my $key (keys(%Apache::lonhomework::results)) {
648: if (($key =~ /^resource\.\Q$id\E\./) && ($key !~ /\.collaborators$/)) {
649: &Apache::lonxml::debug("Hidding $key");
650: my $newkey=$key;
651: $newkey=~s/^(resource\.\Q$id\E\.[^\.]+\.)(.*)$/${1}hidden${2}/;
652: $Apache::lonhomework::results{$newkey}=
653: $Apache::lonhomework::results{$key};
654: delete($Apache::lonhomework::results{$key});
655: }
656: }
657: }
658:
1.12 albertel 659: sub setgradedata {
1.136 albertel 660: my ($award,$msg,$id,$previously_used) = @_;
1.154 albertel 661: if ($Apache::lonhomework::scantronmode &&
1.165 albertel 662: &Apache::lonnet::validCODE($env{'form.CODE'})) {
663: $Apache::lonhomework::results{"resource.CODE"}=$env{'form.CODE'};
1.154 albertel 664: } elsif ($Apache::lonhomework::scantronmode &&
1.165 albertel 665: $env{'form.CODE'} eq '' &&
1.154 albertel 666: $Apache::lonhomework::history{"resource.CODE"} ne '') {
667: $Apache::lonhomework::results{"resource.CODE"}='';
1.141 albertel 668: }
1.154 albertel 669:
1.135 albertel 670: if (!$Apache::lonhomework::scantronmode &&
671: $Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
672: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
673: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
1.87 albertel 674: return '';
1.135 albertel 675: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
676: /^correct/ || $Apache::lonhomework::scantronmode ||
677: lc($Apache::lonhomework::problemstatus) eq 'no') {
1.154 albertel 678: # the student doesn't already have it correct,
679: # or we are in a mode (scantron orno problem status) where a correct
680: # can become incorrect
681: # handle assignment of tries and solved status
1.135 albertel 682: my $solvemsg;
683: if ($Apache::lonhomework::scantronmode) {
684: $solvemsg='correct_by_scantron';
685: } else {
686: $solvemsg='correct_by_student';
687: }
688: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
689: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
690: }
691: if ( $award eq 'ASSIGNED_SCORE') {
692: $Apache::lonhomework::results{"resource.$id.tries"} =
693: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
694: $Apache::lonhomework::results{"resource.$id.solved"} =
695: $solvemsg;
696: my $numawards=scalar(@Apache::inputtags::response);
697: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
698: foreach my $res (@Apache::inputtags::response) {
699: $Apache::lonhomework::results{"resource.$id.awarded"}+=
700: $Apache::lonhomework::results{"resource.$id.$res.awarded"};
701: }
702: if ($numawards > 0) {
703: $Apache::lonhomework::results{"resource.$id.awarded"}/=
704: $numawards;
705: }
706: } elsif ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
707: $Apache::lonhomework::results{"resource.$id.tries"} =
708: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
709: $Apache::lonhomework::results{"resource.$id.solved"} =
710: $solvemsg;
711: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
712: } elsif ( $award eq 'INCORRECT' ) {
713: $Apache::lonhomework::results{"resource.$id.tries"} =
714: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
1.152 albertel 715: if (lc($Apache::lonhomework::problemstatus) eq 'no' ||
716: $Apache::lonhomework::scantronmode) {
1.135 albertel 717: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
718: }
719: $Apache::lonhomework::results{"resource.$id.solved"} =
720: 'incorrect_attempted';
721: } elsif ( $award eq 'SUBMITTED' ) {
722: $Apache::lonhomework::results{"resource.$id.tries"} =
723: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
724: $Apache::lonhomework::results{"resource.$id.solved"} =
725: 'ungraded_attempted';
726: } elsif ( $award eq 'DRAFT' ) {
727: $Apache::lonhomework::results{"resource.$id.solved"} = '';
728: } elsif ( $award eq 'NO_RESPONSE' ) {
729: #no real response so delete any data that got stored
1.129 albertel 730: &removealldata($id);
731: return '';
732: } else {
1.135 albertel 733: $Apache::lonhomework::results{"resource.$id.solved"} =
734: 'incorrect_attempted';
1.152 albertel 735: if (lc($Apache::lonhomework::problemstatus) eq 'no' ||
736: $Apache::lonhomework::scantronmode) {
1.135 albertel 737: $Apache::lonhomework::results{"resource.$id.tries"} =
738: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
739: $Apache::lonhomework::results{"resource.$id.awarded"} = 0;
740: }
741: }
1.136 albertel 742: if (defined($msg)) {
743: $Apache::lonhomework::results{"resource.$id.awardmsg"} = $msg;
744: }
1.135 albertel 745: # did either of the overall awards chage? If so ignore the
746: # previous check
747: if (($Apache::lonhomework::results{"resource.$id.awarded"} eq
748: $Apache::lonhomework::history{"resource.$id.awarded"}) &&
749: ($Apache::lonhomework::results{"resource.$id.solved"} eq
750: $Apache::lonhomework::history{"resource.$id.solved"})) {
751: # check if this was a previous submission if it was delete the
752: # unneeded data and update the previously_used attribute
753: if ( $previously_used eq 'PREVIOUSLY_USED') {
754: if (lc($Apache::lonhomework::problemstatus) ne 'no') {
755: delete($Apache::lonhomework::results{"resource.$id.tries"});
756: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
757: }
758: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
759: #delete all data as they student didn't do anything, but save
760: #the list of collaborators.
761: &removealldata($id);
762: #and since they didn't do anything we were never here
763: return '';
764: } else {
765: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
766: }
1.101 albertel 767: }
1.135 albertel 768: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} =~
769: /^correct/ ) {
770: #delete all data as they student already has it correct
771: &removealldata($id);
772: #and since they didn't do anything we were never here
773: return '';
1.40 albertel 774: }
1.135 albertel 775: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1.10 albertel 776: }
777:
1.9 albertel 778: sub grade {
1.135 albertel 779: my ($target) = @_;
780: my $id = $Apache::inputtags::part;
781: my $response='';
1.165 albertel 782: if ( defined $env{'form.submitted'}) {
1.136 albertel 783: my (@awards,@msgs);
1.135 albertel 784: foreach $response (@Apache::inputtags::response) {
785: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
786: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
787: &Apache::lonxml::debug("keeping $value from $response for $id");
788: push (@awards,$value);
1.136 albertel 789: $value=$Apache::lonhomework::results{"resource.$id.$response.awardmsg"};
790: &Apache::lonxml::debug("got message $value from $response for $id");
791: push (@msgs,$value);
1.135 albertel 792: }
1.136 albertel 793: my ($finalaward,$msg) = &finalizeawards(\@awards,\@msgs);
1.135 albertel 794: my $previously_used;
795: if ( $#Apache::inputtags::previous eq $#awards ) {
796: my $match=0;
797: my @matches;
798: foreach my $versionar (@Apache::inputtags::previous_version) {
799: foreach my $version (@$versionar) {
800: $matches[$version]++;
801: }
802: }
803: foreach my $elem (@matches) {if ($elem eq ($#awards+1)) {$match=1;}}
804: if ($match) {
805: $previously_used = 'PREVIOUSLY_LAST';
806: foreach my $value (@Apache::inputtags::previous) {
807: if ($value eq 'PREVIOUSLY_USED' ) {
808: $previously_used = $value;
809: last;
810: }
1.75 albertel 811: }
812: }
1.43 albertel 813: }
1.136 albertel 814: &Apache::lonxml::debug("final award $finalaward, $previously_used, message $msg");
815: &setgradedata($finalaward,$msg,$id,$previously_used);
1.43 albertel 816: }
1.135 albertel 817: return '';
1.1 albertel 818: }
819:
1.11 albertel 820: sub gradestatus {
1.135 albertel 821: my ($id,$target) = @_;
822: my $showbutton = 1;
823: my $bgcolor = '';
824: my $message = '';
825: my $latemessage = '';
826: my $trystr='';
827: my $button='';
828: my $previousmsg='';
829:
830: my $status = $Apache::inputtags::status['-1'];
831: &Apache::lonxml::debug("gradestatus has :$status:");
832: if ( $status ne 'CLOSED' && $status ne 'UNAVAILABLE' &&
833: $status ne 'INVALID_ACCESS') {
834: my $award = $Apache::lonhomework::history{"resource.$id.award"};
1.169 albertel 835: my $awarded = $Apache::lonhomework::history{"resource.$id.awarded"};
1.135 albertel 836: my $solved = $Apache::lonhomework::history{"resource.$id.solved"};
837: my $previous = $Apache::lonhomework::history{"resource.$id.previous"};
1.136 albertel 838: my $awardmsg = $Apache::lonhomework::history{"resource.$id.awardmsg"};
839: &Apache::lonxml::debug("Found Award |$award|$solved|$awardmsg");
1.144 albertel 840: if ( $award ne '' || $solved ne '' || $status eq 'SHOW_ANSWER') {
1.135 albertel 841: &Apache::lonxml::debug('Getting message');
842: ($showbutton,$bgcolor,$message,$previousmsg) =
1.169 albertel 843: &decideoutput($award,$awarded,$awardmsg,$solved,$previous,
844: $target);
1.135 albertel 845: if ($target eq 'tex') {
846: $message='\vskip 2 mm '.$message.' ';
847: } else {
848: $message="<td bgcolor=\"$bgcolor\">$message</td>";
849: if ($previousmsg) {
850: $previousmsg="<td bgcolor=\"#aaaaff\">$previousmsg</td>";
851: }
852: }
853: }
854: my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
855: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
856: &Apache::lonxml::debug("got maxtries of :$maxtries:");
857: #if tries are set to negative turn off the Tries/Button and messages
858: if (defined($maxtries) && $maxtries < 0) { return ''; }
859: if ( $tries eq '' ) { $tries = '0'; }
860: if ( $maxtries eq '' ) { $maxtries = '2'; }
861: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
862: my $tries_text=&mt('Tries');
1.164 albertel 863: if ( $Apache::lonhomework::type eq 'survey' ||
864: $Apache::lonhomework::parsing_a_task) {
865: $tries_text=&mt('Submissions');
866: }
1.135 albertel 867: if ( $showbutton ) {
868: if ($target eq 'tex') {
1.165 albertel 869: if ($env{'request.state'} ne "construct" && $Apache::lonhomework::type ne 'exam' && $env{'form.suppress_tries'} ne 'yes') {
1.135 albertel 870: $trystr = ' {\vskip 1 mm \small \textit{'.$tries_text.'} '.$tries.'/'.$maxtries.'} \vskip 2 mm ';
871: } else {
872: $trystr = '\vskip 0 mm ';
873: }
874: } else {
1.136 albertel 875: $trystr = "<td><nobr>".$tries_text." $tries";
1.164 albertel 876: if ($Apache::lonhomework::parsing_a_task) {
1.165 albertel 877: } elsif($env{'request.state'} ne 'construct') {
1.135 albertel 878: $trystr.="/$maxtries";
879: } else {
880: if (defined($Apache::inputtags::params{'maxtries'})) {
881: $trystr.="/".$Apache::inputtags::params{'maxtries'};
882: }
883: }
1.136 albertel 884: $trystr.="</nobr></td>";
1.135 albertel 885: }
886: }
887: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {$showbutton = 0;}
888: if ( $showbutton ) {
889: if ($target ne 'tex') {
1.156 albertel 890: $button = '<input type="submit" name="submit_'.$id.'" value="'.&mt('Submit Answer').'" />';
1.135 albertel 891: }
892: }
893: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
894: #last submissions was after due date
1.163 albertel 895: $latemessage=&mt(' The last submission was after the Due Date ');;
896: if ($target eq 'web') {
897: $latemessage='<td bgcolor="#ffaaaa">'.$latemessage.'</td>';
1.135 albertel 898: }
899: }
900: }
901: my $output= $previousmsg.$latemessage.$message.$trystr;
902: if ($output =~ /^\s*$/) {
903: return $button;
1.63 sakharuk 904: } else {
1.135 albertel 905: if ($target eq 'tex') {
906: return $button.' \vskip 0 mm '.$output.' ';
907: } else {
908: return '<table><tr><td>'.$button.'</td>'.$output.'</tr></table>';
909: }
1.63 sakharuk 910: }
1.11 albertel 911: }
1.1 albertel 912: 1;
913: __END__
1.43 albertel 914:
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