Annotation of loncom/homework/inputtags.pm, revision 1.74
1.43 albertel 1: # The LearningOnline Network with CAPA
2: # input definitons
1.47 albertel 3: #
1.74 ! sakharuk 4: # $Id: inputtags.pm,v 1.73 2002/11/08 20:34:10 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=();
50: # id of current part, 0 means that no part is current (inside <problem> only
51: $Apache::inputtags::part='';
1.46 albertel 52: # list of problem date statuses, the first element is for <problem>
53: # if there is a second element it is for the current <part>
1.43 albertel 54: @Apache::inputtags::status=();
1.46 albertel 55: # hash of defined params for the current response
1.43 albertel 56: %Apache::inputtags::params=();
1.46 albertel 57: # list of all ids, for <import>, these get join()ed and prepended
58: @Apache::inputtags::import=();
1.1 albertel 59: }
60:
1.14 albertel 61: sub start_input {
1.43 albertel 62: my ($parstack,$safeeval)=@_;
63: my $id = &Apache::lonxml::get_param('id',$parstack,$safeeval);
64: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
65: push (@Apache::inputtags::input,$id);
66: push (@Apache::inputtags::inputlist,$id);
67: return $id;
1.14 albertel 68: }
69:
70: sub end_input {
1.43 albertel 71: pop @Apache::inputtags::input;
72: return '';
1.14 albertel 73: }
74:
1.48 albertel 75: sub start_textfield {
1.43 albertel 76: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
77: my $result = "";
78: my $id = &start_input($parstack,$safeeval);
1.55 albertel 79: my $resid=$Apache::inputtags::response[-1];
1.43 albertel 80: if ($target eq 'web') {
1.57 albertel 81: $Apache::lonxml::evaluate--;
1.45 albertel 82: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
1.61 albertel 83: my $partid=$Apache::inputtags::part;
84: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$resid.submission"});
85: my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
86: if ( $cols eq '') { $cols = 80; }
87: my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
88: if ( $rows eq '') { $rows = 10; }
89: $result= '<textarea name="HWVAL'.$resid.'" '.
90: "rows=\"$rows\" cols=\"$cols\">".$oldresponse;
91: if ($oldresponse ne '') {
92: #get rid of any startup text if the user has already responded
93: &Apache::lonxml::get_all_text("/textfield",$$parser[-1]);
94: }
1.45 albertel 95: } else {
1.61 albertel 96: #right or wrong don't show it
97: #$result='<table border="1"><tr><td><i>'.$oldresponse.'</i></td></tr></table>';
98: $result='';
99: #get rid of any startup text
100: &Apache::lonxml::get_all_text("/textfield",$$parser[-1]);
1.51 albertel 101: }
1.60 albertel 102: } elsif ($target eq 'grade') {
1.51 albertel 103: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$$parser[-1]);
1.55 albertel 104: if ($seedtext eq $ENV{'form.HWVAL'.$resid}) {
1.51 albertel 105: # if the seed text is still there it wasn't a real submission
1.55 albertel 106: $ENV{'form.HWVAL'.$resid}='';
1.30 albertel 107: }
1.60 albertel 108: } elsif ($target eq 'edit') {
109: $result.=&Apache::edit::tag_start($target,$token);
110: $result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
111: $result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
112: my $bodytext=&Apache::lonxml::get_all_text("/textfield",$$parser[-1]);
1.62 albertel 113: $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
1.60 albertel 114: } elsif ($target eq 'modified') {
115: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
116: $safeeval,'rows','cols');
117: if ($constructtag) {
118: $result = &Apache::edit::rebuild_tag($token);
119: } else {
120: $result=$token->[4];
121: }
122: $result.=&Apache::edit::modifiedfield();
1.43 albertel 123: }
124: return $result;
1.6 albertel 125: }
126:
1.48 albertel 127: sub end_textfield {
1.43 albertel 128: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.60 albertel 129: my $result;
1.43 albertel 130: if ($target eq 'web') {
1.57 albertel 131: $Apache::lonxml::evaluate++;
1.45 albertel 132: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
133: return "</textarea>";
134: }
1.60 albertel 135: } elsif ($target eq 'edit') {
136: $result=&Apache::edit::end_table();
1.45 albertel 137: }
1.43 albertel 138: &end_input;
1.60 albertel 139: return $result;
1.6 albertel 140: }
141:
1.1 albertel 142: sub start_textline {
1.43 albertel 143: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
144: my $result = "";
145: if ($target eq 'web') {
1.57 albertel 146: $Apache::lonxml::evaluate--;
1.45 albertel 147: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
1.61 albertel 148: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
1.72 albertel 149: my $maxlength;
150: if ($size eq '') { $size=20; } else {
151: if ($size < 20) { $maxlength=$size; }
152: }
1.61 albertel 153: my $partid=$Apache::inputtags::part;
154: my $id=$Apache::inputtags::response[-1];
155: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"});
1.73 sakharuk 156: if ($Apache::lonhomework::type ne 'exam') {
157: $result= '<input type="text" name="HWVAL'.$id.'" value="'.
158: $oldresponse.'" size="'.$size.'" maxlength="'.$maxlength.'" />';
159: }
1.45 albertel 160: } else {
1.61 albertel 161: #right or wrong don't show what was last typed in.
162: #$result='<i>'.$oldresponse.'</i>';
163: $result='';
1.45 albertel 164: }
1.44 albertel 165: } elsif ($target eq 'edit') {
1.49 matthew 166: $result=&Apache::edit::tag_start($target,$token);
1.43 albertel 167: $result.=&Apache::edit::text_arg('Size:','size',$token,'5')."</td></tr>";
168: $result.=&Apache::edit::end_table;
1.44 albertel 169: } elsif ($target eq 'modified') {
1.43 albertel 170: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'size');
171: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.74 ! sakharuk 172: } elsif ($target eq 'tex') {
! 173: $result='\framebox[1cm][s]{\hfill}';
1.43 albertel 174: }
175: return $result;
1.1 albertel 176: }
177:
178: sub end_textline {
1.43 albertel 179: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.57 albertel 180: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
181: elsif ($target eq 'edit') { return ('','no'); }
1.43 albertel 182: return "";
1.9 albertel 183: }
184:
185: sub finalizeawards {
1.43 albertel 186: my $result='';
187: my $award;
188: if ($#_ == '-1') { $result = "NO_RESPONSE"; }
189: if ($result eq '' ) {
1.54 albertel 190: my $blankcount;
191: foreach $award (@_) {
192: if ($award eq '') {
193: $result='MISSING_ANSWER';
194: $blankcount++;
195: }
196: }
197: if ($blankcount == ($#_ + 1)) { $result = 'NO_RESPONSE'; }
1.56 albertel 198: }
199: if ($result eq '' ) {
200: foreach $award (@_) { if ($award eq 'MISSING_ANSWER') {$result='MISSING_ANSWER'; last;}}
1.43 albertel 201: }
202: if ($result eq '' ) {
203: foreach $award (@_) { if ($award eq 'ERROR') {$result='ERROR'; last;}}
204: }
205: if ($result eq '' ) {
206: foreach $award (@_) { if ($award eq 'NO_RESPONSE') {$result='NO_RESPONSE'; last;} }
207: }
208:
209: if ($result eq '' ) {
210: foreach $award (@_) {
211: if ($award eq 'UNIT_FAIL' ||
212: $award eq 'NO_UNIT' ||
213: $award eq 'UNIT_NOTNEEDED') {
214: $result=$award; last;
215: }
216: }
217: }
218: if ($result eq '' ) {
219: foreach $award (@_) {
220: if ($award eq 'WANTED_NUMERIC' ||
221: $award eq 'BAD_FORMULA') {$result=$award; last;}
222: }
223: }
224: if ($result eq '' ) {
225: foreach $award (@_) { if ($award eq 'SIG_FAIL') {$result=$award; last;} }
226: }
227: if ($result eq '' ) {
228: foreach $award (@_) { if ($award eq 'INCORRECT') {$result=$award; last;} }
229: }
230: if ($result eq '' ) {
1.59 ng 231: foreach $award (@_) { if ($award eq 'DRAFT') {$result=$award; last;} }
232: }
233: if ($result eq '' ) {
1.43 albertel 234: foreach $award (@_) { if ($award eq 'SUBMITTED') {$result=$award; last;} }
235: }
236: if ($result eq '' ) {
237: foreach $award (@_) { if ($award eq 'APPROX_ANS') {$result=$award; last;} }
238: }
239: if ($result eq '' ) { $result='EXACT_ANS'; }
240: return $result
1.9 albertel 241: }
242:
1.10 albertel 243: sub decideoutput {
1.68 sakharuk 244: my ($award,$solved,$previous,$target)=@_;
1.43 albertel 245: my $message='';
246: my $button=0;
247: my $previousmsg;
248:
249: if ($previous) { $previousmsg='You have entered that answer before'; }
250:
251: if ($solved =~ /^correct/) {
1.68 sakharuk 252: if ($target eq 'tex') {
253: $message = '\textbf{You are correct}. Your receipt is '.
1.43 albertel 254: &Apache::lonnet::receipt;
1.68 sakharuk 255: } else {
256: $message = "<b>You are correct.</b> Your receipt is ".
257: &Apache::lonnet::receipt;
258: }
1.43 albertel 259: $button=0;
260: $previousmsg='';
261: } elsif ($solved =~ /^excused/) {
262: $message = "<b>You are excused from the problem.</b>";
263: $button=0;
264: $previousmsg='';
265: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
266: if ($solved =~ /^incorrect/ || $solved eq '') {
267: $message = "Incorrect";
268: $button=1;
1.37 albertel 269: } else {
1.43 albertel 270: $message = "<b>You are correct.</b> Your receipt is ".
271: &Apache::lonnet::receipt;
272: $button=0;
273: $previousmsg='';
274: }
275: } elsif ($award eq 'NO_RESPONSE') {
276: $message = '';
277: $button=1;
278: } elsif ($award eq 'MISSING_ANSWER') {
279: $message = 'Some parts were not submitted';
280: $button = 1;
281: } elsif ($award eq 'WANTED_NUMERIC') {
282: $message = "This question expects a numeric answer";
283: $button=1;
284: } elsif ($award eq 'SIG_FAIL') {
285: $message = "Please adjust significant figures.";# you provided %s significant figures";
286: $button=1;
287: } elsif ($award eq 'UNIT_FAIL') {
288: $message = "Units incorrect."; #Computer reads units as %s";
289: $button=1;
290: } elsif ($award eq 'UNIT_NOTNEEDED') {
291: $message = "Only a number required.";# Computer reads units of %s";
292: $button=1;
293: } elsif ($award eq 'NO_UNIT') {
294: $message = "Units required";
295: $button=1;
296: } elsif ($award eq 'BAD_FORMULA') {
297: $message = "Unable to understand formula";
298: $button=1;
299: } elsif ($award eq 'INCORRECT') {
300: $message = "Incorrect";
301: $button=1;
302: } elsif ($award eq 'SUBMITTED') {
303: $message = "Your submission has been recorded.";
304: $button=1;
1.59 ng 305: } elsif ($award eq 'DRAFT') {
306: $message = "A draft copy has been saved.";
307: $button=1;
1.43 albertel 308: } else {
309: $message = "Unknown message: $award";
310: $button=1;
311: }
312: return ($button,$message,$previousmsg);
1.12 albertel 313: }
314:
315: sub setgradedata {
1.43 albertel 316: my ($award,$id,$previously_used) = @_;
317: # if the student already has it correct, don't modify the status
1.71 albertel 318: if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
319: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1.53 albertel 320: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
321: return '';
322: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
1.43 albertel 323: /^correct/ ) {
324: #handle assignment of tries and solved status
1.53 albertel 325: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
326: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
327: }
1.43 albertel 328: if ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
329: $Apache::lonhomework::results{"resource.$id.tries"} =
330: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
331: $Apache::lonhomework::results{"resource.$id.solved"} =
332: 'correct_by_student';
333: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
334: } elsif ( $award eq 'INCORRECT' ) {
335: $Apache::lonhomework::results{"resource.$id.tries"} =
336: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
337: $Apache::lonhomework::results{"resource.$id.solved"} =
1.59 ng 338: 'incorrect_attempted'
1.43 albertel 339: } elsif ( $award eq 'SUBMITTED' ) {
340: $Apache::lonhomework::results{"resource.$id.tries"} =
341: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
342: $Apache::lonhomework::results{"resource.$id.solved"} =
343: 'ungraded_attempted';
1.59 ng 344: } elsif ( $award eq 'DRAFT' ) {
345: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1.43 albertel 346: } elsif ( $award eq 'NO_RESPONSE' ) {
347: return '';
348: } else {
349: $Apache::lonhomework::results{"resource.$id.solved"} =
350: 'incorrect_attempted';
351: }
352:
353: # check if this was a previous submission if it was delete the
354: # unneeded data and update the previously_used attribute
355: if ( $previously_used eq 'PREVIOUSLY_USED') {
356: delete($Apache::lonhomework::results{"resource.$id.tries"});
357: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
358: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1.58 ng 359: #delete all data as they student didn't do anything, but save
360: #the list of collaborators.
1.43 albertel 361: foreach my $key (keys(%Apache::lonhomework::results)) {
1.58 ng 362: if (($key =~ /^resource\.$id\./) && ($key !~ /\.collaborators$/)) {
1.43 albertel 363: &Apache::lonxml::debug("Removing $key");
1.63 sakharuk 364: delete($Apache::lonhomework::results{$key});
1.43 albertel 365: }
366: }
367: #and since they didn't do anything we were never here
368: return '';
369: } else {
370: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1.40 albertel 371: }
1.43 albertel 372: }
373: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1.10 albertel 374: }
375:
1.9 albertel 376: sub grade {
1.43 albertel 377: my ($target) = @_;
378: my $id = $Apache::inputtags::part;
379: my $response='';
380: if ( defined $ENV{'form.submitted'}) {
381: my @awards = ();
382: foreach $response (@Apache::inputtags::responselist) {
383: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
384: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1.54 albertel 385: &Apache::lonxml::debug("keeping $value from $response for $id");
386: push (@awards,$value);
1.43 albertel 387: }
388: my $finalaward = &finalizeawards(@awards);
389: my $previously_used;
390: if ( $#Apache::inputtags::previous eq $#awards ) {
391: $previously_used = 'PREVIOUSLY_LAST';
392: foreach my $value (@Apache::inputtags::previous) {
393: if ($value eq 'PREVIOUSLY_USED' ) {
394: $previously_used = $value;
395: last;
396: }
397: }
398: }
399: &Apache::lonxml::debug("final award $finalaward, $previously_used");
400: &setgradedata($finalaward,$id,$previously_used);
401: }
402: return '';
1.1 albertel 403: }
404:
1.11 albertel 405: sub gradestatus {
1.63 sakharuk 406: my ($id,$target) = @_;
1.43 albertel 407: my $showbutton = 1;
408: my $message = '';
1.53 albertel 409: my $latemessage = '';
1.43 albertel 410: my $trystr='';
411: my $button='';
412: my $previousmsg='';
413:
414: my $status = $Apache::inputtags::status['-1'];
415: &Apache::lonxml::debug("gradestatus has :$status:");
416: if ( $status ne 'CLOSED' ) {
417: my $award = $Apache::lonhomework::history{"resource.$id.award"};
418: my $solved = $Apache::lonhomework::history{"resource.$id.solved"};
419: my $previous = $Apache::lonhomework::history{"resource.$id.previous"};
420: &Apache::lonxml::debug("Found Award |$award|$solved|");
421: if ( $award ne '' ) {
422: &Apache::lonxml::debug('Getting message');
423: ($showbutton,$message,$previousmsg) =
1.68 sakharuk 424: &decideoutput($award,$solved,$previous,$target);
1.63 sakharuk 425: if ($target eq 'tex') {
426: $message=' '.$message.' ';
427: } else {
428: $message="<td bgcolor=\"#aaffaa\">$message</td>";
429: if ($previousmsg) {
430: $previousmsg="<td bgcolor=\"#ffaaaa\">$previousmsg</td>";
431: }
1.43 albertel 432: }
433: }
434: my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
435: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
436: &Apache::lonxml::debug("got maxtries of :$maxtries:");
437: if ( $tries eq '' ) { $tries = '0'; }
438: if ( $maxtries eq '' ) { $maxtries = '2'; }
439: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
440: if ( $showbutton ) {
1.63 sakharuk 441: if ($target eq 'tex') {
1.69 sakharuk 442: if ($ENV{'request.state'} ne "construct") {
1.70 sakharuk 443: $trystr = ' {\small \textit{Tries} '.$tries.'/'.$maxtries.'} \vskip 0 mm ';
1.67 sakharuk 444: }
1.63 sakharuk 445: } else {
446: $trystr = "<td>Tries $tries/$maxtries</td>";
447: }
1.43 albertel 448: }
449: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {$showbutton = 0;}
450: if ( $showbutton ) {
1.63 sakharuk 451: if ($target ne 'tex') {
452: $button = '<br /><input type="submit" name="submit" value="Submit Answer" />';
453: }
1.43 albertel 454: }
1.53 albertel 455: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
456: #last submissions was after due date
1.63 sakharuk 457: if ($target eq 'tex') {
458: $latemessage=' The last submission was after the Due Date ';
459: } else {
460: $latemessage="<td bgcolor=\"#ffaaaa\">The last submission was after the Due Date</td>";
461: }
1.53 albertel 462: }
1.43 albertel 463: }
1.53 albertel 464: my $output= $previousmsg.$latemessage.$message.$trystr;
1.43 albertel 465: if ($output =~ /^\s*$/) {
466: return $button;
467: } else {
1.63 sakharuk 468: if ($target eq 'tex') {
469: return $button.' \vskip 0 mm '.$output.' ';
470: } else {
471: return $button.'<table><tr>'.$output.'</tr></table>';
472: }
1.43 albertel 473: }
1.11 albertel 474: }
1.1 albertel 475: 1;
476: __END__
1.43 albertel 477:
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