Annotation of loncom/homework/inputtags.pm, revision 1.56
1.43 albertel 1: # The LearningOnline Network with CAPA
2: # input definitons
1.47 albertel 3: #
1.56 ! albertel 4: # $Id: inputtags.pm,v 1.55 2002/03/11 21:37:55 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/
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') {
1.55 albertel 81: my $partid=$Apache::inputtags::part;
82: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$resid.submission"});
1.43 albertel 83: my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
84: if ( $cols eq '') { $cols = 80; }
85: my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
86: if ( $rows eq '') { $rows = 10; }
1.45 albertel 87: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
1.55 albertel 88: $result= '<textarea name="HWVAL'.$resid.'" '.
1.45 albertel 89: "rows=\"$rows\" cols=\"$cols\">".$oldresponse;
90: } else {
91: $result='<table border="1"><tr><td><i>'.$oldresponse.'</i></td></tr></table>';
92: }
1.43 albertel 93: if ($oldresponse ne '') {
94: #get rid of any startup text if the user has already responded
1.51 albertel 95: &Apache::lonxml::get_all_text("/textfield",$$parser[-1]);
96: }
97: }
98: if ($target eq 'grade') {
99: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$$parser[-1]);
1.55 albertel 100: if ($seedtext eq $ENV{'form.HWVAL'.$resid}) {
1.51 albertel 101: # if the seed text is still there it wasn't a real submission
1.55 albertel 102: $ENV{'form.HWVAL'.$resid}='';
1.30 albertel 103: }
1.43 albertel 104: }
105: return $result;
1.6 albertel 106: }
107:
1.48 albertel 108: sub end_textfield {
1.43 albertel 109: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
110: if ($target eq 'web') {
1.45 albertel 111: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
112: return "</textarea>";
113: }
114: }
1.43 albertel 115: &end_input;
116: return '';
1.6 albertel 117: }
118:
1.1 albertel 119: sub start_textline {
1.43 albertel 120: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
121: my $result = "";
122: if ($target eq 'web') {
123: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
124: if ($size eq '') { $size=20; }
1.44 albertel 125: my $partid=$Apache::inputtags::part;
1.55 albertel 126: my $id=$Apache::inputtags::response[-1];
127: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"});
1.45 albertel 128: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
129: $result= '<input type="text" name="HWVAL'.$id.'" value="'.
130: $oldresponse.'" size="'.$size.'" />';
131: } else {
132: $result='<i>'.$oldresponse.'</i>';
133: }
1.44 albertel 134: } elsif ($target eq 'edit') {
1.49 matthew 135: $result=&Apache::edit::tag_start($target,$token);
1.43 albertel 136: $result.=&Apache::edit::text_arg('Size:','size',$token,'5')."</td></tr>";
137: $result.=&Apache::edit::end_table;
1.44 albertel 138: } elsif ($target eq 'modified') {
1.43 albertel 139: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'size');
140: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
141: }
142: return $result;
1.1 albertel 143: }
144:
145: sub end_textline {
1.43 albertel 146: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
147: if ($target eq 'edit') { return ('','no'); }
148: return "";
1.1 albertel 149: }
150:
1.6 albertel 151: sub start_datasubmission {
1.44 albertel 152: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
153: my $id = &Apache::response::start_response($parstack,$safeeval);
154: my $result;
155: if ($target eq 'meta') {
156: $result = &Apache::response::meta_stores_write($token->[2]->{'name'},
157: $token->[2]->{'type'},
158: $token->[2]->{'display'});
159: $result .= &Apache::response::meta_package_write('datasubmission');
160: }
161: return $result;
1.6 albertel 162: }
163:
164: sub end_datasubmission {
1.43 albertel 165: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.44 albertel 166: my $result;
167: if ( $target eq 'web' ) {
168: } elsif ($target eq 'grade' ) {
169: if ( defined $ENV{'form.submitted'}) {
170: &Apache::response::setup_params('datasubmission');
171: my $partid = $Apache::inputtags::part;
172: my $id = $Apache::inputtags::response['-1'];
173: my $response = $ENV{'form.HWVAL'.$id};
174: my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
175: if ( $response =~ /[^\s]/) {
176: $Apache::lonhomework::results{"resource.$partid.$id.$name"}=
177: $response;
178: }
179: }
1.43 albertel 180: }
1.44 albertel 181: &Apache::response::end_response;
182: return $result;
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 '' ) {
231: foreach $award (@_) { if ($award eq 'SUBMITTED') {$result=$award; last;} }
232: }
233: if ($result eq '' ) {
234: foreach $award (@_) { if ($award eq 'APPROX_ANS') {$result=$award; last;} }
235: }
236: if ($result eq '' ) { $result='EXACT_ANS'; }
237: return $result
1.9 albertel 238: }
239:
1.10 albertel 240: sub decideoutput {
1.43 albertel 241: my ($award,$solved,$previous)=@_;
242: my $message='';
243: my $button=0;
244: my $previousmsg;
245:
246: if ($previous) { $previousmsg='You have entered that answer before'; }
247:
248: if ($solved =~ /^correct/) {
249: $message = "<b>You are correct.</b> Your receipt is ".
250: &Apache::lonnet::receipt;
251: $button=0;
252: $previousmsg='';
253: } elsif ($solved =~ /^excused/) {
254: $message = "<b>You are excused from the problem.</b>";
255: $button=0;
256: $previousmsg='';
257: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
258: if ($solved =~ /^incorrect/ || $solved eq '') {
259: $message = "Incorrect";
260: $button=1;
1.37 albertel 261: } else {
1.43 albertel 262: $message = "<b>You are correct.</b> Your receipt is ".
263: &Apache::lonnet::receipt;
264: $button=0;
265: $previousmsg='';
266: }
267: } elsif ($award eq 'NO_RESPONSE') {
268: $message = '';
269: $button=1;
270: } elsif ($award eq 'MISSING_ANSWER') {
271: $message = 'Some parts were not submitted';
272: $button = 1;
273: } elsif ($award eq 'WANTED_NUMERIC') {
274: $message = "This question expects a numeric answer";
275: $button=1;
276: } elsif ($award eq 'SIG_FAIL') {
277: $message = "Please adjust significant figures.";# you provided %s significant figures";
278: $button=1;
279: } elsif ($award eq 'UNIT_FAIL') {
280: $message = "Units incorrect."; #Computer reads units as %s";
281: $button=1;
282: } elsif ($award eq 'UNIT_NOTNEEDED') {
283: $message = "Only a number required.";# Computer reads units of %s";
284: $button=1;
285: } elsif ($award eq 'NO_UNIT') {
286: $message = "Units required";
287: $button=1;
288: } elsif ($award eq 'BAD_FORMULA') {
289: $message = "Unable to understand formula";
290: $button=1;
291: } elsif ($award eq 'INCORRECT') {
292: $message = "Incorrect";
293: $button=1;
294: } elsif ($award eq 'SUBMITTED') {
295: $message = "Your submission has been recorded.";
296: $button=1;
297: } else {
298: $message = "Unknown message: $award";
299: $button=1;
300: }
301: return ($button,$message,$previousmsg);
1.12 albertel 302: }
303:
304: sub setgradedata {
1.43 albertel 305: my ($award,$id,$previously_used) = @_;
306: # if the student already has it correct, don't modify the status
1.53 albertel 307: if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER') {
308: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
309: return '';
310: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
1.43 albertel 311: /^correct/ ) {
312: #handle assignment of tries and solved status
1.53 albertel 313: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
314: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
315: }
1.43 albertel 316: if ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
317: $Apache::lonhomework::results{"resource.$id.tries"} =
318: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
319: $Apache::lonhomework::results{"resource.$id.solved"} =
320: 'correct_by_student';
321: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
322: } elsif ( $award eq 'INCORRECT' ) {
323: $Apache::lonhomework::results{"resource.$id.tries"} =
324: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
325: $Apache::lonhomework::results{"resource.$id.solved"} =
326: 'incorrect_attempted';
327: } elsif ( $award eq 'SUBMITTED' ) {
328: $Apache::lonhomework::results{"resource.$id.tries"} =
329: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
330: $Apache::lonhomework::results{"resource.$id.solved"} =
331: 'ungraded_attempted';
332: } elsif ( $award eq 'NO_RESPONSE' ) {
333: return '';
334: } else {
335: $Apache::lonhomework::results{"resource.$id.solved"} =
336: 'incorrect_attempted';
337: }
338:
339: # check if this was a previous submission if it was delete the
340: # unneeded data and update the previously_used attribute
341: if ( $previously_used eq 'PREVIOUSLY_USED') {
342: delete($Apache::lonhomework::results{"resource.$id.tries"});
343: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
344: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
345: #delete all data as they student didn't do anything
346: foreach my $key (keys(%Apache::lonhomework::results)) {
347: if ($key =~ /^resource\.$id\./) {
348: &Apache::lonxml::debug("Removing $key");
349: delete($Apache::lonhomework::results{$key});
350: }
351: }
352: #and since they didn't do anything we were never here
353: return '';
354: } else {
355: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1.40 albertel 356: }
1.43 albertel 357: }
358: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1.10 albertel 359: }
360:
1.9 albertel 361: sub grade {
1.43 albertel 362: my ($target) = @_;
363: my $id = $Apache::inputtags::part;
364: my $response='';
365: if ( defined $ENV{'form.submitted'}) {
366: my @awards = ();
367: foreach $response (@Apache::inputtags::responselist) {
368: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
369: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1.54 albertel 370: &Apache::lonxml::debug("keeping $value from $response for $id");
371: push (@awards,$value);
1.43 albertel 372: }
373: my $finalaward = &finalizeawards(@awards);
374: my $previously_used;
375: if ( $#Apache::inputtags::previous eq $#awards ) {
376: $previously_used = 'PREVIOUSLY_LAST';
377: foreach my $value (@Apache::inputtags::previous) {
378: if ($value eq 'PREVIOUSLY_USED' ) {
379: $previously_used = $value;
380: last;
381: }
382: }
383: }
384: &Apache::lonxml::debug("final award $finalaward, $previously_used");
385: &setgradedata($finalaward,$id,$previously_used);
386: }
387: return '';
1.1 albertel 388: }
389:
1.11 albertel 390: sub gradestatus {
1.43 albertel 391: my ($id) = @_;
392: my $showbutton = 1;
393: my $message = '';
1.53 albertel 394: my $latemessage = '';
1.43 albertel 395: my $trystr='';
396: my $button='';
397: my $previousmsg='';
398:
399: my $status = $Apache::inputtags::status['-1'];
400: &Apache::lonxml::debug("gradestatus has :$status:");
401: if ( $status ne 'CLOSED' ) {
402: my $award = $Apache::lonhomework::history{"resource.$id.award"};
403: my $solved = $Apache::lonhomework::history{"resource.$id.solved"};
404: my $previous = $Apache::lonhomework::history{"resource.$id.previous"};
405: &Apache::lonxml::debug("Found Award |$award|$solved|");
406: if ( $award ne '' ) {
407: &Apache::lonxml::debug('Getting message');
408: ($showbutton,$message,$previousmsg) =
409: &decideoutput($award,$solved,$previous);
410: $message="<td bgcolor=\"#aaffaa\">$message</td>";
411: if ($previousmsg) {
412: $previousmsg="<td bgcolor=\"#ffaaaa\">$previousmsg</td>";
413: }
414: }
415: my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
416: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
417: &Apache::lonxml::debug("got maxtries of :$maxtries:");
418: if ( $tries eq '' ) { $tries = '0'; }
419: if ( $maxtries eq '' ) { $maxtries = '2'; }
420: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
421: if ( $showbutton ) {
422: $trystr = "<td>Tries $tries/$maxtries</td>";
423: }
424: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {$showbutton = 0;}
425: if ( $showbutton ) {
1.52 albertel 426: $button = '<br /><input type="submit" name="submit" value="Submit Answer" />';
1.43 albertel 427: }
1.53 albertel 428: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
429: #last submissions was after due date
430: $latemessage="<td bgcolor=\"#ffaaaa\">The last submission was after the Due Date</td>";
431: }
1.43 albertel 432: }
1.53 albertel 433: my $output= $previousmsg.$latemessage.$message.$trystr;
1.43 albertel 434: if ($output =~ /^\s*$/) {
435: return $button;
436: } else {
1.53 albertel 437: return $button.'<table><tr>'.$output.'</tr></table>';
1.43 albertel 438: }
1.11 albertel 439: }
1.1 albertel 440: 1;
441: __END__
1.43 albertel 442:
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