1: # The LearningOnline Network with CAPA
2: # chemical equation style response
3: #
4: # $Id: chemresponse.pm,v 1.93 2014/02/13 18:13:22 bisitz Exp $
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: #
28: #
29: package Apache::chemresponse;
30: use strict;
31: use Apache::lonxml;
32: use Apache::lonnet;
33: use Apache::lonlocal;
34: use lib '/home/httpd/lib/perl/';
35: use LONCAPA;
36:
37:
38: BEGIN {
39: &Apache::lonxml::register('Apache::chemresponse',('organicresponse','organicstructure','reactionresponse','chem'));
40: }
41:
42: sub chem_standard_order {
43: my ($reaction) = @_;
44: my ($re,$pr) = split(/->|<=>/,$reaction);
45: my @reactants = split(/\s\+/,$re);
46: my @products = split(/\s\+/,$pr);
47: foreach my $substance (@reactants,@products) {
48: $substance =~ s/(\^\d*)\s+/$1_/g; # protect superscript space
49: $substance =~ s/\s*//g; # strip whitespace
50: $substance =~ s/_/ /g; # restore superscript space
51: }
52: @reactants = sort @reactants;
53: @products = sort @products;
54: my $standard = '';
55: foreach my $substance (@reactants) {
56: $standard .= $substance;
57: $standard .= ' + ';
58: }
59: $standard =~ s/ \+ $//; # get rid of trailing plus sign
60: $standard .= ' -> ';
61: foreach my $substance (@products) {
62: $standard .= $substance;
63: $standard .= ' + ';
64: }
65: $standard =~ s/ \+ $//; # get rid of trailing plus sign
66: return $standard;
67: }
68:
69: sub separate_jme_window {
70: my ($smile_input,$jme_input,$molecule,$options,$shown_text)=@_;
71: my $smilesection;
72: if (defined($smile_input)) {
73: $smilesection=<<SMILESECTION;
74: smiles = document.applets.JME.smiles();
75: opener.document.lonhomework.$smile_input.value = smiles;
76: SMILESECTION
77: }
78: my $jmesection;
79: if (defined($jme_input)) {
80: $jmesection=<<JMESECTION;
81: jmeFile = document.applets.JME.jmeFile();
82: opener.document.lonhomework.$jme_input.value = jmeFile;
83: JMESECTION
84: }
85:
86: if ($molecule) { $molecule='<param name="jme" value="'.$molecule.'" />'; }
87: my $insert_answer;
88: if ($shown_text eq '') {
89: $insert_answer=
90: '<input type="button" name="submit" value="'.&mt('Insert Answer').'" onclick="javascript:submitSmiles();" />';
91: }
92:
93: my $js = <<CHEMJS;
94: <script type="text/javascript">
95: function submitSmiles() {
96: jmeFile = document.applets.JME.jmeFile();
97: if (jmeFile == "") {
98: alert("Nothing to submit");
99: } else {
100: $jmesection
101: $smilesection
102: window.close();
103: }
104: }
105: function openHelpWindow() {
106: window.open("/adm/jme/jme_help.html","","scrollbars=yes,resizable=yes,width=500,height=600");
107: }
108: function substituent(r) {document.applets.JME.setSubstituent(r);}
109: </script>
110: CHEMJS
111:
112: my $start_page =
113: &Apache::loncommon::start_page('Molecule Editor',undef,
114: {'only_body' => 1,
115: 'js_ready' => 1,
116: 'bgcolor' => '#FFFFFF',});
117: my $end_page =
118: &Apache::loncommon::end_page({'js_ready' => 1,});
119: my $java_not_enabled=&Apache::lonhtmlcommon::java_not_enabled();
120: my %lt = &Apache::lonlocal::texthash(
121: 'seltext' => 'Select substituent...',
122: 'close' => 'Close',
123: 'help' => 'Help',
124: );
125: my $body=<<CHEMPAGE;
126: $js
127: <center>
128: <form action="">
129: <table width="440"><tr>
130: <td></td>
131: <td align="right">
132: <select onchange="javascript:substituent(options[selectedIndex].text)">
133: <option>$lt{'seltext'}</option>
134: <option>-C(=O)OH</option>
135: <option>-C(=O)OMe</option>
136: <option>-OC(=O)Me</option>
137: <option>-CMe3</option>
138: <option>-CF3</option>
139: <option>-CCl3</option>
140: <option>-NO2</option>
141: <option>-SO2-NH2</option>
142: <option>-NH-SO2-Me</option>
143: <option>-NMe2</option>
144: <option>-C#N</option>
145: <option>-C#C-Me</option>
146: <option>-C#CH</option>
147: </select>
148: </td></tr>
149: </table>
150: <applet code="JME.class" name="JME" archive="/adm/jme/JME.jar" width="440" height="390" mayscript>
151: $java_not_enabled
152: $molecule
153: <param name="options" value="$options" />
154: </applet><br />
155: <font face="arial,helvetica,sans-serif" size="-1"><a href="http://www.molinspiration.com/jme/index.html">JME Editor</a> courtesy of Peter Ertl, Novartis</font>
156: <br />
157: $insert_answer
158: <br />
159: <input type="button" value="$lt{'close'}" onclick="javascript:window.close()" />
160:
161: <input type="button" value="$lt{'help'}" onclick="javascript:openHelpWindow()" />
162: </form>
163: </center>
164: CHEMPAGE
165:
166: $body=&Apache::loncommon::js_ready($body);
167: my $nothing=&Apache::lonhtmlcommon::javascript_nothing();
168: my $docopen=&Apache::lonhtmlcommon::javascript_docopen();
169: my $display=&mt('Draw Molecule');
170: if (defined($shown_text)) { $display=&mt($shown_text); }
171: my $iconpath=$Apache::lonnet::perlvar{'lonIconsURL'};
172: my $function =
173: 'LONCAPA_draw_molecule_'.&get_uniq_name();
174: my $result=<<CHEMINPUT;
175: <script type="text/javascript">
176: function $function() {
177: editor=window.open($nothing,'jmeedit','width=500,height=500,menubar=no,scrollbars=no,resizable=yes');
178: editor.$docopen;
179: editor.document.write('$start_page $body $end_page');
180: editor.document.close();
181: editor.focus();
182: }
183: </script>
184: CHEMINPUT
185: if ($shown_text eq '') {
186: $result .=<<PENCIL;
187: <a href="javascript:$function();void(0);"><img class="stift" src='$iconpath/stift.gif' alt='$display' title='$display' /></a>
188: PENCIL
189: } else {
190: $result .= '<input type="button" value="'.&mt($shown_text).'" onclick="javascript:'.$function.'();void(0);" />';
191: }
192: return $result;
193: }
194: sub jme_img {
195: my ($jme,$smile,$width,$options)=@_;
196: my $id=&Apache::loncommon::get_cgi_id();
197: my $result='<img alt="'.$smile.'" src="/cgi-bin/convertjme.pl?'.$id.'"';
198: if ($options =~ /border/) { $result.= ' border="1"'; }
199: $result.=' />';
200: &Apache::lonnet::appenv({'cgi.'.$id.'.JME' =>
201: &escape($jme),
202: 'cgi.'.$id.'.PNG' => 1,
203: 'cgi.'.$id.'.WIDTH' => $width});
204: return $result;
205: }
206:
207: sub start_organicresponse {
208: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
209: my $result;
210: my $partid = $Apache::inputtags::part;
211: my $id = &Apache::response::start_response($parstack,$safeeval);
212: if ($target eq 'meta') {
213: $result=&Apache::response::meta_package_write('organicresponse');
214: } elsif ($target eq 'web') {
215: my $jmeanswer=&Apache::lonxml::get_param('jmeanswer',$parstack,
216: $safeeval);
217: if (&Apache::response::show_answer()) {
218: my $jmeanswer=&Apache::lonxml::get_param('jmeanswer',$parstack,
219: $safeeval);
220: if ($jmeanswer ne '') {
221: my $options=&Apache::lonxml::get_param('options',$parstack,
222: $safeeval);
223: my $width=&Apache::lonxml::get_param('width',$parstack,
224: $safeeval);
225: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
226: $safeeval);
227: $result.=&jme_img($jmeanswer,$answers[0],$width,$options);
228: }
229: } else {
230: $result.= '<input type="hidden" name="MOLECULE_'.$id.'" value="" />';
231: }
232: } elsif ($target eq 'edit') {
233: $result .=&Apache::edit::tag_start($target,$token);
234: my $options=&Apache::lonxml::get_param('options',$parstack,
235: $safeeval);
236: if ($options !~ /multipart/) { $options.=',multipart'; }
237: $result .='<span class="LC_nobreak">'.
238: &Apache::edit::text_arg('Starting Molecule:','molecule',
239: $token,40);
240: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,
241: $safeeval);
242: $result .=&separate_jme_window(undef,
243: &Apache::edit::html_element_name('molecule'),
244: $molecule,$options);
245: $result .='</span><br /><span class="LC_nobreak">';
246: $result .=&Apache::edit::text_arg('Correct Answer:','answer',
247: $token,40);
248: $result .='</span><br /><span class="LC_nobreak">';
249: $result .=&Apache::edit::text_arg('JME string of the answer - automatically updated by "Insert Answer" in the JME pop-up (click pencil):',
250: 'jmeanswer',$token);
251: my $jmeanswer=&Apache::lonxml::get_param('jmeanswer',$parstack,
252: $safeeval);
253: $result .=&separate_jme_window(
254: &Apache::edit::html_element_name('answer'),
255: &Apache::edit::html_element_name('jmeanswer'),
256: $jmeanswer,$options);
257: $result .='</span><br />';
258: $result .=&Apache::edit::checked_arg('Options:','options',
259: [ ['autoez','Auto E,Z stereochemistry'],
260: ['multipart','Multipart Structures'],
261: ['nostereo','No stereochemistry'],
262: ['reaction','Is a reaction'],
263: ['number','Able to number atoms'] ],
264: ,$token);
265: $result .=&Apache::edit::text_arg('Width of correct answer image:',
266: 'width',$token,10);
267: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
268: } elsif ($target eq 'modified') {
269: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
270: $safeeval,'molecule',
271: 'answer','jmeanswer',
272: 'options','width');
273: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
274: }
275:
276: return $result;
277: }
278:
279: sub end_organicresponse {
280: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
281: my $result;
282:
283: my $partid = $Apache::inputtags::part;
284: my $id = $Apache::inputtags::response['-1'];
285:
286: if ($target eq 'grade'
287: && &Apache::response::submitted()
288: && $Apache::lonhomework::type eq 'exam') {
289:
290: &Apache::response::scored_response($partid,$id);
291:
292: } elsif ($target eq 'grade'
293: && &Apache::response::submitted()
294: && $Apache::lonhomework::type ne 'exam') {
295:
296: &Apache::response::setup_params($$tagstack[-1],$safeeval);
297: my $response = &Apache::response::getresponse();
298: if ( $response =~ /[^\s]/) {
299: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
300: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
301: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
302: my $ad;
303: foreach my $answer (@answers) {
304: &Apache::lonxml::debug("submitted a $response for $answer<br \>\n");
305: if ($response eq $answer) {
306: $ad='EXACT_ANS';
307: last;
308: } else {
309: $ad='INCORRECT';
310: }
311: }
312: if ($ad) {
313: if ($Apache::lonhomework::type eq 'survey') {
314: $ad='SUBMITTED';
315: } elsif ($Apache::lonhomework::type eq 'surveycred') {
316: $ad='SUBMITTED_CREDIT';
317: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
318: $ad='ANONYMOUS';
319: } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
320: $ad='ANONYMOUS_CREDIT';
321: }
322: }
323: &Apache::response::handle_previous(\%previous,$ad);
324: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
325: $Apache::lonhomework::results{"resource.$partid.$id.molecule"}=$env{"form.MOLECULE_$id"};
326: }
327: } elsif ($target eq "edit") {
328: $result.= &Apache::edit::tag_end($target,$token,'');
329: } elsif ($target eq 'answer') {
330: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
331: $safeeval);
332: $result.=&Apache::response::answer_header('organicresponse');
333: foreach my $answer (@answers) {
334: $result.=&Apache::response::answer_part('organicresponse',$answer);
335: }
336: $result.=&Apache::response::answer_footer('organicresponse');
337: }
338: if ($target eq 'web') {
339: &Apache::response::setup_prior_tries_hash(\&format_prior_answer_organic,
340: ['molecule'])
341: }
342:
343: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
344: $target eq 'tex' || $target eq 'analyze') {
345: my $repetition = &Apache::response::repetition();
346: &Apache::lonxml::increment_counter($repetition,"$partid.$id"); # part.response
347: if ($target eq 'analyze') {
348: $Apache::lonhomework::analyze{"$partid.$id.type"} = 'organicresponse';
349: push (@{ $Apache::lonhomework::analyze{"parts"} },"$partid.$id");
350: &Apache::lonhomework::set_bubble_lines();
351: }
352: }
353: if ($target eq 'web' ) {
354: my ($showpencil,$shown_text);
355: if ($Apache::inputtags::status['-1'] eq 'CAN_ANSWER') {
356: $showpencil = 1;
357: } elsif (&Apache::response::show_answer()) {
358: my $jmeanswer=&Apache::lonxml::get_param('jmeanswer',$parstack, $safeeval);
359: if ($jmeanswer eq '') {
360: $showpencil = 1;
361: $shown_text="Show Your Last Answer";
362: }
363: }
364: if ($showpencil) {
365: my $options=&Apache::lonxml::get_param('options',$parstack,
366: $safeeval);
367:
368: my $molecule;
369: if (defined($Apache::lonhomework::history{"resource.$partid.$id.molecule"})) {
370: $molecule=$Apache::lonhomework::history{"resource.$partid.$id.molecule"};
371: } else {
372: $molecule=&Apache::lonxml::get_param('molecule',$parstack,
373: $safeeval);
374: }
375: $result.=&separate_jme_window("HWVAL_$id","MOLECULE_$id",$molecule,
376: $options,$shown_text);
377: }
378: }
379: &Apache::response::end_response();
380: return $result;
381: }
382:
383: sub format_prior_answer_organic {
384: my ($mode,$answer,$other_data) = @_;
385: my $result=&mt('Smile representation: [_1]','"<tt>'.$answer.'</tt>"');
386: my $jme=$other_data->[0];
387: $result.=&jme_img($jme,$answer,400);
388: return $result;
389: }
390:
391: sub start_organicstructure {
392: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
393: my $result;
394: if ($target eq 'web') {
395: my $width=&Apache::lonxml::get_param('width',$parstack,$safeeval);
396: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,$safeeval);
397: my $options=&Apache::lonxml::get_param('options',$parstack,$safeeval);
398: my $id=&Apache::loncommon::get_cgi_id();
399: $result="<img src='/cgi-bin/convertjme.pl?$id'";
400: if ($options =~ /border/) { $result.= ' border="1"'; }
401: $result.=' />';
402: &Apache::lonnet::appenv(
403: {'cgi.'.$id.'.JME' => &escape($molecule),
404: 'cgi.'.$id.'.PNG' => 1,
405: 'cgi.'.$id.'.WIDTH' => $width});
406: } elsif ($target eq 'tex') {
407: my $texwidth=&Apache::lonxml::get_param('texwidth',$parstack,$safeeval,undef,1);
408: my $webwidth=&Apache::lonxml::get_param('width', $parstack, $safeeval);
409: my $webheight=&Apache::lonxml::get_param('height', $parstack, $safeeval);
410: if (!$webheight) { $webheight = $webwidth; }
411: if (!$texwidth) { $texwidth='90'; }
412: $result = "%DYNAMICIMAGE:$webwidth:$webheight:$texwidth\n";
413: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,$safeeval);
414: my $options=&Apache::lonxml::get_param('options',$parstack,$safeeval);
415: my $filename = $env{'user.name'}.'_'.$env{'user.domain'}.
416: '_'.time.'_'.$$.int(rand(1000)).'_organicstructure';
417: my $id=$filename;
418: &Apache::lonnet::appenv(
419: {'cgi.'.$id.'.JME' => &escape($molecule),
420: 'cgi.'.$id.'.PS' => 1,
421: 'cgi.'.$id.'.WIDTH' => $texwidth});
422: $id=&escape($id);
423: &Apache::lonxml::register_ssi("/cgi-bin/convertjme.pl?$id");
424: if ($options =~ /border/) { $result.= '\fbox{'; }
425: $result .= '\graphicspath{{'.LONCAPA::tempdir().
426: '}}\includegraphics[width='.$texwidth.' mm]{'.$filename.'.eps}';
427: if ($options =~ /border/) { $result.= '} '; }
428: } elsif ($target eq 'edit') {
429: $result .=&Apache::edit::tag_start($target,$token);
430: $result .=&Apache::edit::text_arg('Width (pixels):','width',$token,5);
431: $result .=&Apache::edit::text_arg('TeXwidth (mm):','texwidth',$token,5);
432: $result .='<span class="LC_nobreak">';
433: $result .=&Apache::edit::text_arg('Molecule:','molecule',$token,40);
434: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,
435: $safeeval);
436: my $options=&Apache::lonxml::get_param('options',$parstack,
437: $safeeval);
438: if ($options !~ /reaction/) {
439: $options.= ',multipart,number';
440: }
441:
442: $result .=&separate_jme_window(undef,
443: &Apache::edit::html_element_name('molecule'),
444: $molecule,$options);
445: $result.="</span><br />";
446: $result .=&Apache::edit::checked_arg('Options:','options',
447: [ ['reaction','Is a reaction'],
448: ['border','Draw a border'] ],
449: $token);
450: $result .=&Apache::edit::end_row();
451: } elsif ($target eq 'modified') {
452: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
453: $safeeval,'molecule',
454: 'width','texwidth',
455: 'options');
456: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
457: }
458: return $result;
459: }
460:
461: sub end_organicstructure {
462: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
463: my $result;
464: if ($target eq "edit") {
465: $result.= &Apache::edit::tag_end($target,$token,'');
466: }
467: return $result;
468: }
469:
470: sub edit_reaction_button {
471: my ($id,$field,$reaction)=@_;
472: my $id_es=&escape($id);
473: my $field_es=&escape($field);
474: my $reaction_es=&escape($reaction);
475: my $docopen=&Apache::lonhtmlcommon::javascript_docopen();
476: my $iconpath=$Apache::lonnet::perlvar{'lonIconsURL'};
477: my $display=&mt('Edit Answer');
478: my $start_page =
479: &Apache::loncommon::start_page('LON-CAPA Reaction Editor',undef,
480: {'frameset' => 1,
481: 'js_ready' => 1,
482: 'add_entries' => {
483: 'rows' => "30%,*",
484: 'border' => "0",}},);
485: my $end_page =
486: &Apache::loncommon::end_page({'frameset' => 1,
487: 'js_ready' => 1});
488: my $result=<<EDITREACTION;
489: <script type="text/javascript">
490: // <!--
491: function create_reaction_window_${id}_${field} () {
492: editor=window.open('','','width=500,height=270,scrollbars=no,resizable=yes');
493: editor.$docopen;
494: editor.document.writeln('$start_page <frame src="/res/adm/pages/reactionresponse/reaction_viewer.html?inhibitmenu=yes" name="viewer" scrolling="no" /> <frame src="/res/adm/pages/reactionresponse/reaction_editor.html?inhibitmenu=yes&reaction=$reaction_es&id=$id_es&field=$field_es" name="editor" scrolling="no" /> $end_page');
495: editor.document.close();
496: }
497: // -->
498: </script>
499: <a href="javascript:create_reaction_window_${id}_${field}();void(0);"><img class="stift" src='$iconpath/stift.gif' alt='$display' title='$display' /></a>
500: EDITREACTION
501: return $result;
502: }
503:
504: sub start_reactionresponse {
505: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
506: my $result;
507: my $id = &Apache::response::start_response($parstack,$safeeval);
508: if ($target eq 'meta') {
509: $result=&Apache::response::meta_package_write('reactionresponse');
510: } elsif ($target eq 'web') {
511: my $partid = $Apache::inputtags::part;
512: my $id = $Apache::inputtags::response['-1'];
513: if ( &Apache::response::show_answer() ) {
514: my $ans=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
515: if (!$Apache::lonxml::default_homework_loaded) {
516: &Apache::lonxml::default_homework_load($safeeval);
517: }
518: @Apache::scripttag::parser_env = @_;
519: $Apache::inputtags::answertxt{$id}=[&Apache::run::run("return &chemparse(q\0$ans\0);",$safeeval)];
520: }
521: } elsif ($target eq "edit") {
522: $result .=&Apache::edit::tag_start($target,$token);
523: my $answer=&Apache::lonxml::get_param('answer',$parstack,
524: $safeeval);
525: $result .='<span class="LC_nobreak">'.
526: &Apache::edit::text_arg('Answer:','answer',$token,40);
527: $result .=&edit_reaction_button($id,&Apache::edit::html_element_name('answer'),$answer).'</span>';
528: my $initial=&Apache::lonxml::get_param('initial',$parstack,$safeeval);
529: $result.='<span class="LC_nobreak">'.
530: &Apache::edit::text_arg('Initial Reaction:','initial',$token,40);
531: $result .=&edit_reaction_button($id,&Apache::edit::html_element_name('initial'),$initial).'</span>';
532: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
533: } elsif ($target eq 'modified') {
534: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
535: $safeeval,'answer',
536: 'initial');
537: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
538: }
539: return $result;
540: }
541:
542: sub end_reactionresponse {
543: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
544: my $result;
545:
546: my $partid = $Apache::inputtags::part;
547: my $id = $Apache::inputtags::response['-1'];
548:
549: if ($target eq 'grade'
550: && &Apache::response::submitted()
551: && $Apache::lonhomework::type eq 'exam') {
552:
553: &Apache::response::scored_response($partid,$id);
554:
555: } elsif ($target eq 'grade'
556: && &Apache::response::submitted()
557: && $Apache::lonhomework::type ne 'exam') {
558:
559: &Apache::response::setup_params($$tagstack[-1],$safeeval);
560: my $response = &Apache::response::getresponse();
561: if ( $response =~ /[^\s]/) {
562: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
563: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
564: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
565: my $ad;
566: foreach my $answer (@answers) {
567: &Apache::lonxml::debug("submitted a $response for $answer<br \>\n");
568: if (&chem_standard_order($response) eq
569: &chem_standard_order($answer)) {
570: $ad='EXACT_ANS';
571: } else {
572: $ad='INCORRECT';
573: }
574: }
575: if ($ad) {
576: if ($Apache::lonhomework::type eq 'survey') {
577: $ad='SUBMITTED';
578: } elsif ($ad && $Apache::lonhomework::type eq 'surveycred') {
579: $ad='SUBMITTED_CREDIT';
580: } elsif ($ad && $Apache::lonhomework::type eq 'anonsurvey') {
581: $ad='ANONYMOUS';
582: } elsif ($ad && $Apache::lonhomework::type eq 'anonsurveycred') {
583: $ad='ANONYMOUS_CREDIT';
584: }
585: }
586: &Apache::response::handle_previous(\%previous,$ad);
587: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
588: }
589: } elsif ($target eq "edit") {
590: $result.= &Apache::edit::tag_end($target,$token,'');
591: } elsif ($target eq 'answer') {
592: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
593: $safeeval);
594: $result.=&Apache::response::answer_header('reactionresponse');
595: foreach my $answer (@answers) {
596: $result.=&Apache::response::answer_part('reactionresponse',
597: $answer);
598: }
599: $result.=&Apache::response::answer_footer('reactionresponse');
600: }
601: if ($target eq 'web') {
602: &Apache::response::setup_prior_tries_hash(\&format_prior_response_reaction);
603: }
604:
605: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
606: $target eq 'tex' || $target eq 'analyze') {
607: my $repetition = &Apache::response::repetition();
608: &Apache::lonxml::increment_counter($repetition,"$partid.$id");
609: if ($target eq 'analyze') {
610: $Apache::lonhomework::analyze{"$partid.$id.type"} = 'reactionresponse';
611: push (@{ $Apache::lonhomework::analyze{"parts"} },"$partid.$id");
612: &Apache::lonhomework::set_bubble_lines();
613: }
614: }
615: my $status=$Apache::inputtags::status['-1'];
616: if (($target eq 'web') && ($Apache::lonhomework::type ne 'exam') && ($status eq 'CAN_ANSWER')) {
617: my $reaction=$Apache::lonhomework::history{"resource.$partid.$id.submission"};
618: if ($reaction eq '') { $reaction=&Apache::lonxml::get_param('initial',$parstack,$safeeval); }
619: $result.=&edit_reaction_button($id,"HWVAL_$id",$reaction);
620: }
621: &Apache::response::end_response();
622: return $result;
623: }
624:
625: sub format_prior_response_reaction {
626: my ($mode,$answer) =@_;
627: return '<span class="LC_prior_reaction">'.
628: &HTML::Entities::encode($answer,'"<>&').'</span>';
629: }
630:
631: sub start_chem {
632: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
633: my $result = '';
634: my $inside = &Apache::lonxml::get_all_text_unbalanced("/chem",$parser);
635: if ($target eq 'tex' || $target eq 'web') {
636: $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
637: if (!$Apache::lonxml::default_homework_loaded) {
638: &Apache::lonxml::default_homework_load($safeeval);
639: }
640: @Apache::scripttag::parser_env = @_;
641: $result=&Apache::run::run("return &chemparse(q\0$inside\0);",$safeeval);
642: }
643: return $result;
644: }
645:
646: sub end_chem {
647: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
648: my $result = '';
649: return $result;
650: }
651:
652: my $uniq=0;
653: sub get_uniq_name {
654: $uniq++;
655: return 'uniquename'.$uniq;
656: }
657:
658: 1;
659: __END__
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