Annotation of loncom/homework/inputtags.pm, revision 1.77
1.43 albertel 1: # The LearningOnline Network with CAPA
2: # input definitons
1.47 albertel 3: #
1.77 ! albertel 4: # $Id: inputtags.pm,v 1.76 2002/12/03 10:17:05 sakharuk 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/
27: #
1.43 albertel 28: # 2/19 Guy
1.1 albertel 29:
30: package Apache::inputtags;
1.55 albertel 31: use HTML::Entities();
1.1 albertel 32: use strict;
33:
1.50 harris41 34: BEGIN {
1.65 bowersj2 35: &Apache::lonxml::register('Apache::inputtags',('textfield','textline'));
1.1 albertel 36: }
37:
1.43 albertel 38:
1.1 albertel 39: sub initialize_inputtags {
1.43 albertel 40: # list of current input ids
41: @Apache::inputtags::input=();
42: # list of all input ids seen in this problem
43: @Apache::inputtags::inputlist=();
44: # list of all current response ids
45: @Apache::inputtags::response=();
46: # list of all response ids seen in this problem
47: @Apache::inputtags::responselist=();
48: # list of whether or not a specific response was previously used
49: @Apache::inputtags::previous=();
1.75 albertel 50: # submission it was used in
51: @Apache::inputtags::previous_version=();
1.43 albertel 52: # id of current part, 0 means that no part is current (inside <problem> only
53: $Apache::inputtags::part='';
1.46 albertel 54: # list of problem date statuses, the first element is for <problem>
55: # if there is a second element it is for the current <part>
1.43 albertel 56: @Apache::inputtags::status=();
1.46 albertel 57: # hash of defined params for the current response
1.43 albertel 58: %Apache::inputtags::params=();
1.46 albertel 59: # list of all ids, for <import>, these get join()ed and prepended
60: @Apache::inputtags::import=();
1.1 albertel 61: }
62:
1.14 albertel 63: sub start_input {
1.43 albertel 64: my ($parstack,$safeeval)=@_;
65: my $id = &Apache::lonxml::get_param('id',$parstack,$safeeval);
66: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
67: push (@Apache::inputtags::input,$id);
68: push (@Apache::inputtags::inputlist,$id);
69: return $id;
1.14 albertel 70: }
71:
72: sub end_input {
1.43 albertel 73: pop @Apache::inputtags::input;
74: return '';
1.14 albertel 75: }
76:
1.48 albertel 77: sub start_textfield {
1.43 albertel 78: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
79: my $result = "";
80: my $id = &start_input($parstack,$safeeval);
1.55 albertel 81: my $resid=$Apache::inputtags::response[-1];
1.43 albertel 82: if ($target eq 'web') {
1.57 albertel 83: $Apache::lonxml::evaluate--;
1.45 albertel 84: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
1.61 albertel 85: my $partid=$Apache::inputtags::part;
86: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$resid.submission"});
87: my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
88: if ( $cols eq '') { $cols = 80; }
89: my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
90: if ( $rows eq '') { $rows = 10; }
91: $result= '<textarea name="HWVAL'.$resid.'" '.
92: "rows=\"$rows\" cols=\"$cols\">".$oldresponse;
93: if ($oldresponse ne '') {
94: #get rid of any startup text if the user has already responded
95: &Apache::lonxml::get_all_text("/textfield",$$parser[-1]);
96: }
1.45 albertel 97: } else {
1.61 albertel 98: #right or wrong don't show it
99: #$result='<table border="1"><tr><td><i>'.$oldresponse.'</i></td></tr></table>';
100: $result='';
101: #get rid of any startup text
102: &Apache::lonxml::get_all_text("/textfield",$$parser[-1]);
1.51 albertel 103: }
1.60 albertel 104: } elsif ($target eq 'grade') {
1.51 albertel 105: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$$parser[-1]);
1.55 albertel 106: if ($seedtext eq $ENV{'form.HWVAL'.$resid}) {
1.51 albertel 107: # if the seed text is still there it wasn't a real submission
1.55 albertel 108: $ENV{'form.HWVAL'.$resid}='';
1.30 albertel 109: }
1.60 albertel 110: } elsif ($target eq 'edit') {
111: $result.=&Apache::edit::tag_start($target,$token);
112: $result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
113: $result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
114: my $bodytext=&Apache::lonxml::get_all_text("/textfield",$$parser[-1]);
1.62 albertel 115: $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
1.60 albertel 116: } elsif ($target eq 'modified') {
117: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
118: $safeeval,'rows','cols');
119: if ($constructtag) {
120: $result = &Apache::edit::rebuild_tag($token);
121: } else {
122: $result=$token->[4];
123: }
124: $result.=&Apache::edit::modifiedfield();
1.43 albertel 125: }
126: return $result;
1.6 albertel 127: }
128:
1.48 albertel 129: sub end_textfield {
1.43 albertel 130: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.60 albertel 131: my $result;
1.43 albertel 132: if ($target eq 'web') {
1.57 albertel 133: $Apache::lonxml::evaluate++;
1.45 albertel 134: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
135: return "</textarea>";
136: }
1.60 albertel 137: } elsif ($target eq 'edit') {
138: $result=&Apache::edit::end_table();
1.45 albertel 139: }
1.43 albertel 140: &end_input;
1.60 albertel 141: return $result;
1.6 albertel 142: }
143:
1.1 albertel 144: sub start_textline {
1.43 albertel 145: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
146: my $result = "";
147: if ($target eq 'web') {
1.57 albertel 148: $Apache::lonxml::evaluate--;
1.45 albertel 149: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
1.61 albertel 150: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
1.72 albertel 151: my $maxlength;
152: if ($size eq '') { $size=20; } else {
153: if ($size < 20) { $maxlength=$size; }
154: }
1.61 albertel 155: my $partid=$Apache::inputtags::part;
156: my $id=$Apache::inputtags::response[-1];
157: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"});
1.73 sakharuk 158: if ($Apache::lonhomework::type ne 'exam') {
159: $result= '<input type="text" name="HWVAL'.$id.'" value="'.
160: $oldresponse.'" size="'.$size.'" maxlength="'.$maxlength.'" />';
161: }
1.45 albertel 162: } else {
1.61 albertel 163: #right or wrong don't show what was last typed in.
164: #$result='<i>'.$oldresponse.'</i>';
165: $result='';
1.45 albertel 166: }
1.44 albertel 167: } elsif ($target eq 'edit') {
1.49 matthew 168: $result=&Apache::edit::tag_start($target,$token);
1.43 albertel 169: $result.=&Apache::edit::text_arg('Size:','size',$token,'5')."</td></tr>";
170: $result.=&Apache::edit::end_table;
1.44 albertel 171: } elsif ($target eq 'modified') {
1.43 albertel 172: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'size');
173: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.74 sakharuk 174: } elsif ($target eq 'tex') {
1.76 sakharuk 175: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
176: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
177: $result='\framebox['.$size.'][s]{\tiny\strut}';
1.43 albertel 178: }
179: return $result;
1.1 albertel 180: }
181:
182: sub end_textline {
1.43 albertel 183: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.57 albertel 184: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
185: elsif ($target eq 'edit') { return ('','no'); }
1.43 albertel 186: return "";
1.9 albertel 187: }
188:
189: sub finalizeawards {
1.43 albertel 190: my $result='';
191: my $award;
192: if ($#_ == '-1') { $result = "NO_RESPONSE"; }
193: if ($result eq '' ) {
1.54 albertel 194: my $blankcount;
195: foreach $award (@_) {
196: if ($award eq '') {
197: $result='MISSING_ANSWER';
198: $blankcount++;
199: }
200: }
201: if ($blankcount == ($#_ + 1)) { $result = 'NO_RESPONSE'; }
1.56 albertel 202: }
203: if ($result eq '' ) {
204: foreach $award (@_) { if ($award eq 'MISSING_ANSWER') {$result='MISSING_ANSWER'; last;}}
1.43 albertel 205: }
206: if ($result eq '' ) {
207: foreach $award (@_) { if ($award eq 'ERROR') {$result='ERROR'; last;}}
208: }
209: if ($result eq '' ) {
210: foreach $award (@_) { if ($award eq 'NO_RESPONSE') {$result='NO_RESPONSE'; last;} }
211: }
212:
213: if ($result eq '' ) {
214: foreach $award (@_) {
215: if ($award eq 'UNIT_FAIL' ||
216: $award eq 'NO_UNIT' ||
217: $award eq 'UNIT_NOTNEEDED') {
218: $result=$award; last;
219: }
220: }
221: }
222: if ($result eq '' ) {
223: foreach $award (@_) {
224: if ($award eq 'WANTED_NUMERIC' ||
225: $award eq 'BAD_FORMULA') {$result=$award; last;}
226: }
227: }
228: if ($result eq '' ) {
229: foreach $award (@_) { if ($award eq 'SIG_FAIL') {$result=$award; last;} }
230: }
231: if ($result eq '' ) {
232: foreach $award (@_) { if ($award eq 'INCORRECT') {$result=$award; last;} }
233: }
234: if ($result eq '' ) {
1.59 ng 235: foreach $award (@_) { if ($award eq 'DRAFT') {$result=$award; last;} }
236: }
237: if ($result eq '' ) {
1.43 albertel 238: foreach $award (@_) { if ($award eq 'SUBMITTED') {$result=$award; last;} }
239: }
240: if ($result eq '' ) {
241: foreach $award (@_) { if ($award eq 'APPROX_ANS') {$result=$award; last;} }
242: }
243: if ($result eq '' ) { $result='EXACT_ANS'; }
244: return $result
1.9 albertel 245: }
246:
1.10 albertel 247: sub decideoutput {
1.68 sakharuk 248: my ($award,$solved,$previous,$target)=@_;
1.43 albertel 249: my $message='';
250: my $button=0;
251: my $previousmsg;
252:
253: if ($previous) { $previousmsg='You have entered that answer before'; }
254:
255: if ($solved =~ /^correct/) {
1.68 sakharuk 256: if ($target eq 'tex') {
257: $message = '\textbf{You are correct}. Your receipt is '.
1.43 albertel 258: &Apache::lonnet::receipt;
1.68 sakharuk 259: } else {
260: $message = "<b>You are correct.</b> Your receipt is ".
261: &Apache::lonnet::receipt;
262: }
1.43 albertel 263: $button=0;
264: $previousmsg='';
265: } elsif ($solved =~ /^excused/) {
266: $message = "<b>You are excused from the problem.</b>";
267: $button=0;
268: $previousmsg='';
269: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
270: if ($solved =~ /^incorrect/ || $solved eq '') {
271: $message = "Incorrect";
272: $button=1;
1.37 albertel 273: } else {
1.43 albertel 274: $message = "<b>You are correct.</b> Your receipt is ".
275: &Apache::lonnet::receipt;
276: $button=0;
277: $previousmsg='';
278: }
279: } elsif ($award eq 'NO_RESPONSE') {
280: $message = '';
281: $button=1;
282: } elsif ($award eq 'MISSING_ANSWER') {
283: $message = 'Some parts were not submitted';
284: $button = 1;
285: } elsif ($award eq 'WANTED_NUMERIC') {
286: $message = "This question expects a numeric answer";
287: $button=1;
288: } elsif ($award eq 'SIG_FAIL') {
289: $message = "Please adjust significant figures.";# you provided %s significant figures";
290: $button=1;
291: } elsif ($award eq 'UNIT_FAIL') {
292: $message = "Units incorrect."; #Computer reads units as %s";
293: $button=1;
294: } elsif ($award eq 'UNIT_NOTNEEDED') {
295: $message = "Only a number required.";# Computer reads units of %s";
296: $button=1;
297: } elsif ($award eq 'NO_UNIT') {
298: $message = "Units required";
299: $button=1;
300: } elsif ($award eq 'BAD_FORMULA') {
301: $message = "Unable to understand formula";
302: $button=1;
303: } elsif ($award eq 'INCORRECT') {
304: $message = "Incorrect";
305: $button=1;
306: } elsif ($award eq 'SUBMITTED') {
307: $message = "Your submission has been recorded.";
308: $button=1;
1.59 ng 309: } elsif ($award eq 'DRAFT') {
310: $message = "A draft copy has been saved.";
311: $button=1;
1.43 albertel 312: } else {
313: $message = "Unknown message: $award";
314: $button=1;
315: }
316: return ($button,$message,$previousmsg);
1.12 albertel 317: }
318:
319: sub setgradedata {
1.43 albertel 320: my ($award,$id,$previously_used) = @_;
321: # if the student already has it correct, don't modify the status
1.71 albertel 322: if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
323: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1.53 albertel 324: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
325: return '';
326: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
1.43 albertel 327: /^correct/ ) {
328: #handle assignment of tries and solved status
1.53 albertel 329: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
330: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
331: }
1.43 albertel 332: if ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
333: $Apache::lonhomework::results{"resource.$id.tries"} =
334: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
335: $Apache::lonhomework::results{"resource.$id.solved"} =
336: 'correct_by_student';
337: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
338: } elsif ( $award eq 'INCORRECT' ) {
339: $Apache::lonhomework::results{"resource.$id.tries"} =
340: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
341: $Apache::lonhomework::results{"resource.$id.solved"} =
1.59 ng 342: 'incorrect_attempted'
1.43 albertel 343: } elsif ( $award eq 'SUBMITTED' ) {
344: $Apache::lonhomework::results{"resource.$id.tries"} =
345: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
346: $Apache::lonhomework::results{"resource.$id.solved"} =
347: 'ungraded_attempted';
1.59 ng 348: } elsif ( $award eq 'DRAFT' ) {
349: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1.43 albertel 350: } elsif ( $award eq 'NO_RESPONSE' ) {
351: return '';
352: } else {
353: $Apache::lonhomework::results{"resource.$id.solved"} =
354: 'incorrect_attempted';
355: }
356:
357: # check if this was a previous submission if it was delete the
358: # unneeded data and update the previously_used attribute
359: if ( $previously_used eq 'PREVIOUSLY_USED') {
360: delete($Apache::lonhomework::results{"resource.$id.tries"});
361: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
362: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1.58 ng 363: #delete all data as they student didn't do anything, but save
364: #the list of collaborators.
1.43 albertel 365: foreach my $key (keys(%Apache::lonhomework::results)) {
1.58 ng 366: if (($key =~ /^resource\.$id\./) && ($key !~ /\.collaborators$/)) {
1.43 albertel 367: &Apache::lonxml::debug("Removing $key");
1.63 sakharuk 368: delete($Apache::lonhomework::results{$key});
1.43 albertel 369: }
370: }
371: #and since they didn't do anything we were never here
372: return '';
373: } else {
374: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1.40 albertel 375: }
1.43 albertel 376: }
377: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1.10 albertel 378: }
379:
1.9 albertel 380: sub grade {
1.43 albertel 381: my ($target) = @_;
382: my $id = $Apache::inputtags::part;
383: my $response='';
384: if ( defined $ENV{'form.submitted'}) {
385: my @awards = ();
386: foreach $response (@Apache::inputtags::responselist) {
387: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
388: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1.54 albertel 389: &Apache::lonxml::debug("keeping $value from $response for $id");
390: push (@awards,$value);
1.43 albertel 391: }
392: my $finalaward = &finalizeawards(@awards);
393: my $previously_used;
394: if ( $#Apache::inputtags::previous eq $#awards ) {
1.75 albertel 395: my $match=0;
396: my @matches;
397: foreach my $versionar (@Apache::inputtags::previous_version) {
398: foreach my $version (@$versionar) {
399: $matches[$version]++;
400: }
401: }
402: foreach my $elem (@matches) {if ($elem eq ($#awards+1)) {$match=1;}}
403: if ($match) {
404: $previously_used = 'PREVIOUSLY_LAST';
405: foreach my $value (@Apache::inputtags::previous) {
406: if ($value eq 'PREVIOUSLY_USED' ) {
407: $previously_used = $value;
408: last;
409: }
410: }
1.43 albertel 411: }
412: }
413: &Apache::lonxml::debug("final award $finalaward, $previously_used");
414: &setgradedata($finalaward,$id,$previously_used);
415: }
416: return '';
1.1 albertel 417: }
418:
1.11 albertel 419: sub gradestatus {
1.63 sakharuk 420: my ($id,$target) = @_;
1.43 albertel 421: my $showbutton = 1;
422: my $message = '';
1.53 albertel 423: my $latemessage = '';
1.43 albertel 424: my $trystr='';
425: my $button='';
426: my $previousmsg='';
427:
428: my $status = $Apache::inputtags::status['-1'];
429: &Apache::lonxml::debug("gradestatus has :$status:");
1.77 ! albertel 430: if ( $status ne 'CLOSED' && $status ne 'UNAVAILABLE') {
1.43 albertel 431: my $award = $Apache::lonhomework::history{"resource.$id.award"};
432: my $solved = $Apache::lonhomework::history{"resource.$id.solved"};
433: my $previous = $Apache::lonhomework::history{"resource.$id.previous"};
434: &Apache::lonxml::debug("Found Award |$award|$solved|");
435: if ( $award ne '' ) {
436: &Apache::lonxml::debug('Getting message');
437: ($showbutton,$message,$previousmsg) =
1.68 sakharuk 438: &decideoutput($award,$solved,$previous,$target);
1.63 sakharuk 439: if ($target eq 'tex') {
440: $message=' '.$message.' ';
441: } else {
442: $message="<td bgcolor=\"#aaffaa\">$message</td>";
443: if ($previousmsg) {
444: $previousmsg="<td bgcolor=\"#ffaaaa\">$previousmsg</td>";
445: }
1.43 albertel 446: }
447: }
448: my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
449: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
450: &Apache::lonxml::debug("got maxtries of :$maxtries:");
451: if ( $tries eq '' ) { $tries = '0'; }
452: if ( $maxtries eq '' ) { $maxtries = '2'; }
453: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
454: if ( $showbutton ) {
1.63 sakharuk 455: if ($target eq 'tex') {
1.69 sakharuk 456: if ($ENV{'request.state'} ne "construct") {
1.70 sakharuk 457: $trystr = ' {\small \textit{Tries} '.$tries.'/'.$maxtries.'} \vskip 0 mm ';
1.67 sakharuk 458: }
1.63 sakharuk 459: } else {
460: $trystr = "<td>Tries $tries/$maxtries</td>";
461: }
1.43 albertel 462: }
463: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {$showbutton = 0;}
464: if ( $showbutton ) {
1.63 sakharuk 465: if ($target ne 'tex') {
466: $button = '<br /><input type="submit" name="submit" value="Submit Answer" />';
467: }
1.43 albertel 468: }
1.53 albertel 469: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
470: #last submissions was after due date
1.63 sakharuk 471: if ($target eq 'tex') {
472: $latemessage=' The last submission was after the Due Date ';
473: } else {
474: $latemessage="<td bgcolor=\"#ffaaaa\">The last submission was after the Due Date</td>";
475: }
1.53 albertel 476: }
1.43 albertel 477: }
1.53 albertel 478: my $output= $previousmsg.$latemessage.$message.$trystr;
1.43 albertel 479: if ($output =~ /^\s*$/) {
480: return $button;
481: } else {
1.63 sakharuk 482: if ($target eq 'tex') {
483: return $button.' \vskip 0 mm '.$output.' ';
484: } else {
485: return $button.'<table><tr>'.$output.'</tr></table>';
486: }
1.43 albertel 487: }
1.11 albertel 488: }
1.1 albertel 489: 1;
490: __END__
1.43 albertel 491:
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