Annotation of loncom/homework/inputtags.pm, revision 1.59
1.43 albertel 1: # The LearningOnline Network with CAPA
2: # input definitons
1.47 albertel 3: #
1.59 ! ng 4: # $Id: inputtags.pm,v 1.58 2002/07/25 20:55:13 ng 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 {
1.48 albertel 35: &Apache::lonxml::register('Apache::inputtags',('textfield','textline','datasubmission'));
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--;
1.55 albertel 82: my $partid=$Apache::inputtags::part;
83: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$resid.submission"});
1.43 albertel 84: my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
85: if ( $cols eq '') { $cols = 80; }
86: my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
87: if ( $rows eq '') { $rows = 10; }
1.45 albertel 88: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
1.55 albertel 89: $result= '<textarea name="HWVAL'.$resid.'" '.
1.45 albertel 90: "rows=\"$rows\" cols=\"$cols\">".$oldresponse;
91: } else {
92: $result='<table border="1"><tr><td><i>'.$oldresponse.'</i></td></tr></table>';
93: }
1.43 albertel 94: if ($oldresponse ne '') {
95: #get rid of any startup text if the user has already responded
1.51 albertel 96: &Apache::lonxml::get_all_text("/textfield",$$parser[-1]);
97: }
98: }
99: if ($target eq 'grade') {
100: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$$parser[-1]);
1.55 albertel 101: if ($seedtext eq $ENV{'form.HWVAL'.$resid}) {
1.51 albertel 102: # if the seed text is still there it wasn't a real submission
1.55 albertel 103: $ENV{'form.HWVAL'.$resid}='';
1.30 albertel 104: }
1.43 albertel 105: }
106: return $result;
1.6 albertel 107: }
108:
1.48 albertel 109: sub end_textfield {
1.43 albertel 110: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
111: if ($target eq 'web') {
1.57 albertel 112: $Apache::lonxml::evaluate++;
1.45 albertel 113: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
114: return "</textarea>";
115: }
116: }
1.43 albertel 117: &end_input;
118: return '';
1.6 albertel 119: }
120:
1.1 albertel 121: sub start_textline {
1.43 albertel 122: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
123: my $result = "";
124: if ($target eq 'web') {
1.57 albertel 125: $Apache::lonxml::evaluate--;
1.43 albertel 126: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
127: if ($size eq '') { $size=20; }
1.44 albertel 128: my $partid=$Apache::inputtags::part;
1.55 albertel 129: my $id=$Apache::inputtags::response[-1];
130: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"});
1.45 albertel 131: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
132: $result= '<input type="text" name="HWVAL'.$id.'" value="'.
133: $oldresponse.'" size="'.$size.'" />';
134: } else {
135: $result='<i>'.$oldresponse.'</i>';
136: }
1.44 albertel 137: } elsif ($target eq 'edit') {
1.49 matthew 138: $result=&Apache::edit::tag_start($target,$token);
1.43 albertel 139: $result.=&Apache::edit::text_arg('Size:','size',$token,'5')."</td></tr>";
140: $result.=&Apache::edit::end_table;
1.44 albertel 141: } elsif ($target eq 'modified') {
1.43 albertel 142: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'size');
143: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
144: }
145: return $result;
1.1 albertel 146: }
147:
148: sub end_textline {
1.43 albertel 149: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.57 albertel 150: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
151: elsif ($target eq 'edit') { return ('','no'); }
1.43 albertel 152: return "";
1.1 albertel 153: }
154:
1.6 albertel 155: sub start_datasubmission {
1.44 albertel 156: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
157: my $id = &Apache::response::start_response($parstack,$safeeval);
158: my $result;
159: if ($target eq 'meta') {
160: $result = &Apache::response::meta_stores_write($token->[2]->{'name'},
161: $token->[2]->{'type'},
162: $token->[2]->{'display'});
163: $result .= &Apache::response::meta_package_write('datasubmission');
164: }
165: return $result;
1.6 albertel 166: }
167:
168: sub end_datasubmission {
1.43 albertel 169: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.44 albertel 170: my $result;
171: if ( $target eq 'web' ) {
172: } elsif ($target eq 'grade' ) {
173: if ( defined $ENV{'form.submitted'}) {
174: &Apache::response::setup_params('datasubmission');
175: my $partid = $Apache::inputtags::part;
176: my $id = $Apache::inputtags::response['-1'];
177: my $response = $ENV{'form.HWVAL'.$id};
178: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
179: if ( $response =~ /[^\s]/) {
180: $Apache::lonhomework::results{"resource.$partid.$id.$name"}=
181: $response;
182: }
183: }
1.43 albertel 184: }
1.44 albertel 185: &Apache::response::end_response;
186: return $result;
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 $result
1.9 albertel 245: }
246:
1.10 albertel 247: sub decideoutput {
1.43 albertel 248: my ($award,$solved,$previous)=@_;
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/) {
256: $message = "<b>You are correct.</b> Your receipt is ".
257: &Apache::lonnet::receipt;
258: $button=0;
259: $previousmsg='';
260: } elsif ($solved =~ /^excused/) {
261: $message = "<b>You are excused from the problem.</b>";
262: $button=0;
263: $previousmsg='';
264: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
265: if ($solved =~ /^incorrect/ || $solved eq '') {
266: $message = "Incorrect";
267: $button=1;
1.37 albertel 268: } else {
1.43 albertel 269: $message = "<b>You are correct.</b> Your receipt is ".
270: &Apache::lonnet::receipt;
271: $button=0;
272: $previousmsg='';
273: }
274: } elsif ($award eq 'NO_RESPONSE') {
275: $message = '';
276: $button=1;
277: } elsif ($award eq 'MISSING_ANSWER') {
278: $message = 'Some parts were not submitted';
279: $button = 1;
280: } elsif ($award eq 'WANTED_NUMERIC') {
281: $message = "This question expects a numeric answer";
282: $button=1;
283: } elsif ($award eq 'SIG_FAIL') {
284: $message = "Please adjust significant figures.";# you provided %s significant figures";
285: $button=1;
286: } elsif ($award eq 'UNIT_FAIL') {
287: $message = "Units incorrect."; #Computer reads units as %s";
288: $button=1;
289: } elsif ($award eq 'UNIT_NOTNEEDED') {
290: $message = "Only a number required.";# Computer reads units of %s";
291: $button=1;
292: } elsif ($award eq 'NO_UNIT') {
293: $message = "Units required";
294: $button=1;
295: } elsif ($award eq 'BAD_FORMULA') {
296: $message = "Unable to understand formula";
297: $button=1;
298: } elsif ($award eq 'INCORRECT') {
299: $message = "Incorrect";
300: $button=1;
301: } elsif ($award eq 'SUBMITTED') {
302: $message = "Your submission has been recorded.";
303: $button=1;
1.59 ! ng 304: } elsif ($award eq 'DRAFT') {
! 305: $message = "A draft copy has been saved.";
! 306: $button=1;
1.43 albertel 307: } else {
308: $message = "Unknown message: $award";
309: $button=1;
310: }
311: return ($button,$message,$previousmsg);
1.12 albertel 312: }
313:
314: sub setgradedata {
1.43 albertel 315: my ($award,$id,$previously_used) = @_;
316: # if the student already has it correct, don't modify the status
1.53 albertel 317: if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER') {
318: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
319: return '';
320: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
1.43 albertel 321: /^correct/ ) {
322: #handle assignment of tries and solved status
1.53 albertel 323: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
324: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
325: }
1.43 albertel 326: if ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
327: $Apache::lonhomework::results{"resource.$id.tries"} =
328: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
329: $Apache::lonhomework::results{"resource.$id.solved"} =
330: 'correct_by_student';
331: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
332: } elsif ( $award eq 'INCORRECT' ) {
333: $Apache::lonhomework::results{"resource.$id.tries"} =
334: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
335: $Apache::lonhomework::results{"resource.$id.solved"} =
1.59 ! ng 336: 'incorrect_attempted'
1.43 albertel 337: } elsif ( $award eq 'SUBMITTED' ) {
338: $Apache::lonhomework::results{"resource.$id.tries"} =
339: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
340: $Apache::lonhomework::results{"resource.$id.solved"} =
341: 'ungraded_attempted';
1.59 ! ng 342: } elsif ( $award eq 'DRAFT' ) {
! 343: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1.43 albertel 344: } elsif ( $award eq 'NO_RESPONSE' ) {
345: return '';
346: } else {
347: $Apache::lonhomework::results{"resource.$id.solved"} =
348: 'incorrect_attempted';
349: }
350:
351: # check if this was a previous submission if it was delete the
352: # unneeded data and update the previously_used attribute
353: if ( $previously_used eq 'PREVIOUSLY_USED') {
354: delete($Apache::lonhomework::results{"resource.$id.tries"});
355: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
356: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1.58 ng 357: #delete all data as they student didn't do anything, but save
358: #the list of collaborators.
1.43 albertel 359: foreach my $key (keys(%Apache::lonhomework::results)) {
1.58 ng 360: if (($key =~ /^resource\.$id\./) && ($key !~ /\.collaborators$/)) {
1.43 albertel 361: &Apache::lonxml::debug("Removing $key");
362: delete($Apache::lonhomework::results{$key});
363: }
364: }
365: #and since they didn't do anything we were never here
366: return '';
367: } else {
368: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1.40 albertel 369: }
1.43 albertel 370: }
371: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1.10 albertel 372: }
373:
1.9 albertel 374: sub grade {
1.43 albertel 375: my ($target) = @_;
376: my $id = $Apache::inputtags::part;
377: my $response='';
378: if ( defined $ENV{'form.submitted'}) {
379: my @awards = ();
380: foreach $response (@Apache::inputtags::responselist) {
381: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
382: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1.54 albertel 383: &Apache::lonxml::debug("keeping $value from $response for $id");
384: push (@awards,$value);
1.43 albertel 385: }
386: my $finalaward = &finalizeawards(@awards);
387: my $previously_used;
388: if ( $#Apache::inputtags::previous eq $#awards ) {
389: $previously_used = 'PREVIOUSLY_LAST';
390: foreach my $value (@Apache::inputtags::previous) {
391: if ($value eq 'PREVIOUSLY_USED' ) {
392: $previously_used = $value;
393: last;
394: }
395: }
396: }
397: &Apache::lonxml::debug("final award $finalaward, $previously_used");
398: &setgradedata($finalaward,$id,$previously_used);
399: }
400: return '';
1.1 albertel 401: }
402:
1.11 albertel 403: sub gradestatus {
1.43 albertel 404: my ($id) = @_;
405: my $showbutton = 1;
406: my $message = '';
1.53 albertel 407: my $latemessage = '';
1.43 albertel 408: my $trystr='';
409: my $button='';
410: my $previousmsg='';
411:
412: my $status = $Apache::inputtags::status['-1'];
413: &Apache::lonxml::debug("gradestatus has :$status:");
414: if ( $status ne 'CLOSED' ) {
415: my $award = $Apache::lonhomework::history{"resource.$id.award"};
416: my $solved = $Apache::lonhomework::history{"resource.$id.solved"};
417: my $previous = $Apache::lonhomework::history{"resource.$id.previous"};
418: &Apache::lonxml::debug("Found Award |$award|$solved|");
419: if ( $award ne '' ) {
420: &Apache::lonxml::debug('Getting message');
421: ($showbutton,$message,$previousmsg) =
422: &decideoutput($award,$solved,$previous);
423: $message="<td bgcolor=\"#aaffaa\">$message</td>";
424: if ($previousmsg) {
425: $previousmsg="<td bgcolor=\"#ffaaaa\">$previousmsg</td>";
426: }
427: }
428: my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
429: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
430: &Apache::lonxml::debug("got maxtries of :$maxtries:");
431: if ( $tries eq '' ) { $tries = '0'; }
432: if ( $maxtries eq '' ) { $maxtries = '2'; }
433: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
434: if ( $showbutton ) {
435: $trystr = "<td>Tries $tries/$maxtries</td>";
436: }
437: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {$showbutton = 0;}
438: if ( $showbutton ) {
1.52 albertel 439: $button = '<br /><input type="submit" name="submit" value="Submit Answer" />';
1.43 albertel 440: }
1.53 albertel 441: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
442: #last submissions was after due date
443: $latemessage="<td bgcolor=\"#ffaaaa\">The last submission was after the Due Date</td>";
444: }
1.43 albertel 445: }
1.53 albertel 446: my $output= $previousmsg.$latemessage.$message.$trystr;
1.43 albertel 447: if ($output =~ /^\s*$/) {
448: return $button;
449: } else {
1.53 albertel 450: return $button.'<table><tr>'.$output.'</tr></table>';
1.43 albertel 451: }
1.11 albertel 452: }
1.1 albertel 453: 1;
454: __END__
1.43 albertel 455:
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