Annotation of loncom/homework/chemresponse.pm, revision 1.62
1.1 albertel 1: # The LearningOnline Network with CAPA
2: # chemical equation style response
3: #
1.62 ! foxr 4: # $Id: chemresponse.pm,v 1.61 2005/07/01 19:48:46 albertel Exp $
1.1 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: #
28: #
29: package Apache::chemresponse;
30: use strict;
31: use Apache::lonxml;
32: use Apache::lonnet;
1.55 albertel 33: use Apache::lonlocal;
1.1 albertel 34:
35: BEGIN {
1.46 albertel 36: &Apache::lonxml::register('Apache::chemresponse',('organicresponse','organicstructure','reactionresponse','chem'));
1.1 albertel 37: }
38:
1.34 albertel 39: sub chem_standard_order {
40: my ($reaction) = @_;
41: my ($re,$pr) = split(/->|<=>/,$reaction);
42: my @reactants = split(/\s\+/,$re);
43: my @products = split(/\s\+/,$pr);
44: foreach my $substance (@reactants,@products) {
45: $substance =~ s/(\^\d*)\s+/$1_/g; # protect superscript space
46: $substance =~ s/\s*//g; # strip whitespace
47: $substance =~ s/_/ /g; # restore superscript space
48: }
49: @reactants = sort @reactants;
50: @products = sort @products;
51: my $standard = '';
52: foreach my $substance (@reactants) {
53: $standard .= $substance;
54: $standard .= ' + ';
55: }
56: $standard =~ s/ \+ $//; # get rid of trailing plus sign
57: $standard .= ' -> ';
58: foreach my $substance (@products) {
59: $standard .= $substance;
60: $standard .= ' + ';
61: }
62: $standard =~ s/ \+ $//; # get rid of trailing plus sign
63: return $standard;
64: }
65:
1.30 www 66: sub separate_jme_window {
1.55 albertel 67: my ($smile_input,$jme_input,$molecule,$options,$shown_text)=@_;
1.2 albertel 68: my $smilesection;
69: if (defined($smile_input)) {
70: $smilesection=<<SMILESECTION;
1.21 albertel 71: smiles = document.applets.JME.smiles();
1.2 albertel 72: opener.document.lonhomework.$smile_input.value = smiles;
73: SMILESECTION
74: }
75: my $jmesection;
76: if (defined($jme_input)) {
77: $jmesection=<<JMESECTION;
78: jmeFile = document.applets.JME.jmeFile();
79: opener.document.lonhomework.$jme_input.value = jmeFile;
80: JMESECTION
81: }
82:
1.14 albertel 83: if ($molecule) { $molecule='<param name="jme" value="'.$molecule.'" />'; }
1.57 albertel 84: my $insert_answer;
1.59 albertel 85: if ($shown_text eq '') {
1.57 albertel 86: $insert_answer=
87: '<input type="button" name="submit" value="Insert Answer" onclick="javascript:submitSmiles();" />';
88: }
89:
1.1 albertel 90: my $body=<<CHEMPAGE;
91: <html>
92: <head>
93: <title>Molecule Editor</title>
1.47 albertel 94: <script type="text/javascript">
1.1 albertel 95: function submitSmiles() {
1.21 albertel 96: jmeFile = document.applets.JME.jmeFile();
97: if (jmeFile == "") {
1.1 albertel 98: alert("Nothing to submit");
99: } else {
1.21 albertel 100: $jmesection
1.2 albertel 101: $smilesection
1.1 albertel 102: window.close();
103: }
104: }
105: function openHelpWindow() {
1.2 albertel 106: window.open("/adm/jme/jme_help.html","","scrollbars=yes,resizable=yes,width=500,height=600");
1.1 albertel 107: }
1.60 albertel 108: function substituent(r) {document.applets.JME.setSubstituent(r);}
1.1 albertel 109: </script>
110: </head>
111: <body bgcolor="#ffffff">
112: <center>
1.60 albertel 113: <form>
114: <table width="440"><tr>
115: <td></td>
116: <td align="right">
117: <select onchange="javascript:substituent(options[selectedIndex].text)">
118: <option>Select substituent</option>
119: <option>-C(=O)OH</option>
120: <option>-C(=O)OMe</option>
121: <option>-OC(=O)Me</option>
122: <option>-CMe3</option>
123: <option>-CF3</option>
124: <option>-CCl3</option>
125: <option>-NO2</option>
126: <option>-SO2-NH2</option>
127: <option>-NH-SO2-Me</option>
128: <option>-NMe2</option>
129: <option>-C#N</option>
130: <option>-C#C-Me</option>
131: <option>-C#CH</option>
132: </select>
133: </td></tr>
134: </table>
135: <applet code="JME.class" name="JME" archive="/adm/jme/JME.jar" width="440" height="390" mayscript>
1.1 albertel 136: You have to enable Java and JavaScript on your machine.
1.12 albertel 137: $molecule
1.6 albertel 138: <param name="options" value="$options" />
1.1 albertel 139: </applet><br />
1.49 albertel 140: <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>
1.61 albertel 141: <br />
1.57 albertel 142: $insert_answer
1.1 albertel 143: <br />
1.57 albertel 144: <input type="button" value=" Close " onclick = "javascript:window.close()" />
1.1 albertel 145:
1.57 albertel 146: <input type="button" value=" Help " onclick = "javascript:openHelpWindow()" />
1.1 albertel 147: </form>
148: </center>
149: </body>
150: </html>
151: CHEMPAGE
1.32 albertel 152: $body=&HTML::Entities::encode($body,'<>&"');
1.1 albertel 153: $body=~s/\n/ /g;
1.53 albertel 154: my $nothing=&Apache::lonhtmlcommon::javascript_nothing();
1.41 www 155: my $docopen=&Apache::lonhtmlcommon::javascript_docopen();
1.55 albertel 156: my $display=&mt('Draw Molecule');
157: if (defined($shown_text)) { $display=&mt($shown_text); }
1.1 albertel 158: my $result=<<CHEMINPUT;
1.61 albertel 159: <input type="button" value="$display" onclick="javascript:editor=window.open($nothing,'jmeedit','width=500,height=500,menubar=no,scrollbars=no,resizable=yes');editor.$docopen;editor.document.write('$body');editor.document.close();editor.focus()" />
1.1 albertel 160: CHEMINPUT
161: return $result;
162: }
163:
1.56 albertel 164: sub jme_img {
165: my ($jme,$smile,$width,$options)=@_;
166: my $id=&Apache::loncommon::get_cgi_id();
167: my $result='<img alt="'.$smile.'" src="/cgi-bin/convertjme.pl?'.$id.'"';
168: if ($options =~ /border/) { $result.= ' border="1"'; }
169: $result.=' />';
170: &Apache::lonnet::appenv('cgi.'.$id.'.JME' =>
171: &Apache::lonnet::escape($jme),
172: 'cgi.'.$id.'.PNG' => 1,
173: 'cgi.'.$id.'.WIDTH' => $width);
174: return $result;
175: }
176:
1.6 albertel 177: sub start_organicresponse {
1.1 albertel 178: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
179: my $result;
180: my $partid = $Apache::inputtags::part;
181: my $id = &Apache::response::start_response($parstack,$safeeval);
182: if ($target eq 'meta') {
1.28 albertel 183: $result=&Apache::response::meta_package_write('organicresponse');
1.1 albertel 184: } elsif ($target eq 'web') {
1.55 albertel 185: my $jmeanswer=&Apache::lonxml::get_param('jmeanswer',$parstack,
186: $safeeval);
187: if ( &Apache::response::show_answer() && $jmeanswer ne '') {
1.44 albertel 188: my $options=&Apache::lonxml::get_param('options',$parstack,
189: $safeeval);
190: my $width=&Apache::lonxml::get_param('width',$parstack,
191: $safeeval);
1.56 albertel 192: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
193: $safeeval);
194: $result.=&jme_img($jmeanswer,$answers[0],$width,$options);
1.1 albertel 195: } else {
1.44 albertel 196: my $molecule;
197: if (defined($Apache::lonhomework::history{"resource.$partid.$id.molecule"})) {
198: $molecule=$Apache::lonhomework::history{"resource.$partid.$id.molecule"};
199: } else {
200: $molecule=&Apache::lonxml::get_param('molecule',$parstack,
201: $safeeval);
202: }
203: my $options=&Apache::lonxml::get_param('options',$parstack,
204: $safeeval);
1.55 albertel 205: my $shown_text;
206: if (&Apache::response::show_answer()) {
207: $shown_text="Show Your Last Answer";
208: }
209: $result=&separate_jme_window("HWVAL_$id","MOLECULE_$id",$molecule,
210: $options,$shown_text);
1.44 albertel 211: $result.= '<input type="hidden" name="MOLECULE_'.$id.'" value="" />';
1.1 albertel 212: }
1.2 albertel 213: } elsif ($target eq 'edit') {
214: $result .=&Apache::edit::tag_start($target,$token);
1.12 albertel 215: my $options=&Apache::lonxml::get_param('options',$parstack,
216: $safeeval);
217: if ($options !~ /multipart/) { $options.=',multipart'; }
1.7 albertel 218: $result .='<nobr>'.
219: &Apache::edit::text_arg('Starting Molecule:','molecule',
220: $token,40);
1.2 albertel 221: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,
222: $safeeval);
1.30 www 223: $result .=&separate_jme_window(undef,
1.2 albertel 224: &Apache::edit::html_element_name('molecule'),
1.12 albertel 225: $molecule,$options);
1.7 albertel 226: $result .='</nobr><br /><nobr>';
1.2 albertel 227: $result .=&Apache::edit::text_arg('Correct Answer:','answer',
228: $token,40);
229: $result .=&Apache::edit::hidden_arg('jmeanswer',$token);
230: my $jmeanswer=&Apache::lonxml::get_param('jmeanswer',$parstack,
231: $safeeval);
1.30 www 232: $result .=&separate_jme_window(
1.2 albertel 233: &Apache::edit::html_element_name('answer'),
234: &Apache::edit::html_element_name('jmeanswer'),
1.12 albertel 235: $jmeanswer,$options);
236: $result .='</nobr><br />';
237: $result .=&Apache::edit::checked_arg('Options:','options',
1.29 www 238: [ ['autoez','Auto E,Z stereochemistry'],
1.18 albertel 239: ['multipart','Multipart Structures'],
1.12 albertel 240: ['nostereo','No stereochemistry'],
241: ['reaction','Is a reaction'],
1.18 albertel 242: ['number','Able to number atoms'] ],
1.12 albertel 243: ,$token);
1.44 albertel 244: $result .=&Apache::edit::text_arg('Width of correct answer image:',
245: 'width',$token,10);
1.2 albertel 246: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
247: } elsif ($target eq 'modified') {
248: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
249: $safeeval,'molecule',
1.6 albertel 250: 'answer','jmeanswer',
1.44 albertel 251: 'options','width');
1.2 albertel 252: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.1 albertel 253: }
254: return $result;
255: }
256:
1.6 albertel 257: sub end_organicresponse {
1.1 albertel 258: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
259: my $result;
1.45 albertel 260: if ($target eq 'grade' && &Apache::response::submitted()) {
1.31 albertel 261: &Apache::response::setup_params($$tagstack[-1],$safeeval);
1.1 albertel 262: my $response = &Apache::response::getresponse();
263: if ( $response =~ /[^\s]/) {
264: my $partid = $Apache::inputtags::part;
265: my $id = $Apache::inputtags::response['-1'];
1.13 albertel 266: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
1.1 albertel 267: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
268: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
269: my $ad;
1.13 albertel 270: foreach my $answer (@answers) {
271: &Apache::lonxml::debug("submitted a $response for $answer<br \>\n");
272: if ($response eq $answer) {
273: $ad='EXACT_ANS';
274: last;
275: } else {
276: $ad='INCORRECT';
277: }
1.1 albertel 278: }
1.42 albertel 279: if ($ad && $Apache::lonhomework::type eq 'survey') {
280: $ad='SUBMITTED';
281: }
1.1 albertel 282: &Apache::response::handle_previous(\%previous,$ad);
283: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
1.50 albertel 284: $Apache::lonhomework::results{"resource.$partid.$id.molecule"}=$env{"form.MOLECULE_$id"};
1.1 albertel 285: }
1.2 albertel 286: } elsif ($target eq "edit") {
287: $result.= &Apache::edit::tag_end($target,$token,'');
1.15 albertel 288: } elsif ($target eq 'answer') {
289: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
290: $safeeval);
291: $result.=&Apache::response::answer_header('organicresponse');
292: foreach my $answer (@answers) {
293: $result.=&Apache::response::answer_part('organicresponse',$answer);
294: }
295: $result.=&Apache::response::answer_footer('organicresponse');
1.1 albertel 296: }
297: &Apache::response::end_response;
298: return $result;
299: }
300:
1.6 albertel 301: sub start_organicstructure {
1.3 albertel 302: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
303: my $result;
304: if ($target eq 'web') {
305: my $width=&Apache::lonxml::get_param('width',$parstack,$safeeval);
306: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,$safeeval);
1.12 albertel 307: my $options=&Apache::lonxml::get_param('options',$parstack,$safeeval);
1.23 albertel 308: my $id=&Apache::loncommon::get_cgi_id();
1.19 albertel 309: $result="<img src='/cgi-bin/convertjme.pl?$id'";
310: if ($options =~ /border/) { $result.= ' border="1"'; }
311: $result.=' />';
1.16 albertel 312: &Apache::lonnet::appenv(
313: 'cgi.'.$id.'.JME' => &Apache::lonnet::escape($molecule),
1.17 albertel 314: 'cgi.'.$id.'.PNG' => 1,
1.16 albertel 315: 'cgi.'.$id.'.WIDTH' => $width );
1.17 albertel 316: } elsif ($target eq 'tex') {
1.38 albertel 317: my $texwidth=&Apache::lonxml::get_param('texwidth',$parstack,$safeeval,undef,1);
1.58 foxr 318: my $webwidth=&Apache::lonxml::get_param('width', $parstack, $safeeval);
319: my $webheight=&Apache::lonxml::get_param('height', $parstack, $safeeval);
1.62 ! foxr 320: if (!$webheight) { $webheight = $webwidth; }
1.17 albertel 321: if (!$texwidth) { $texwidth='90'; }
1.58 foxr 322: $result = "%DYNAMICIMAGE:$webwidth:$webheight:$texwidth\n";
1.17 albertel 323: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,$safeeval);
324: my $options=&Apache::lonxml::get_param('options',$parstack,$safeeval);
1.50 albertel 325: my $filename = $env{'user.name'}.'_'.$env{'user.domain'}.
1.17 albertel 326: '_'.time.'_'.$$.int(rand(1000)).'_organicstructure';
327: my $id=$filename;
328: &Apache::lonnet::appenv(
329: 'cgi.'.$id.'.JME' => &Apache::lonnet::escape($molecule),
330: 'cgi.'.$id.'.PS' => 1,
331: 'cgi.'.$id.'.WIDTH' => $texwidth );
332: $id=&Apache::lonnet::escape($id);
333: &Apache::lonxml::register_ssi("/cgi-bin/convertjme.pl?$id");
1.20 albertel 334: if ($options =~ /border/) { $result.= '\fbox{'; }
335: $result .= '\graphicspath{{/home/httpd/perl/tmp/}}\includegraphics[width='.$texwidth.' mm]{'.$filename.'.eps}';
336: if ($options =~ /border/) { $result.= '} '; }
1.3 albertel 337: } elsif ($target eq 'edit') {
338: $result .=&Apache::edit::tag_start($target,$token);
1.22 albertel 339: $result .=&Apache::edit::text_arg('Width (pixels):','width',$token,5);
340: $result .=&Apache::edit::text_arg('TeXwidth (mm):','texwidth',$token,5);
1.12 albertel 341: $result .='<nobr>';
1.3 albertel 342: $result .=&Apache::edit::text_arg('Molecule:','molecule',$token,40);
343: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,
344: $safeeval);
1.12 albertel 345: my $options=&Apache::lonxml::get_param('options',$parstack,
346: $safeeval);
347: if ($options !~ /reaction/) {
348: $options.= ',multipart,number';
349: }
350:
1.30 www 351: $result .=&separate_jme_window(undef,
1.12 albertel 352: &Apache::edit::html_element_name('molecule'),
353: $molecule,$options);
354: $result.="</nobr><br />";
355: $result .=&Apache::edit::checked_arg('Options:','options',
1.18 albertel 356: [ ['reaction','Is a reaction'],
1.12 albertel 357: ['border','Draw a border'] ],
358: $token);
1.24 albertel 359: $result .=&Apache::edit::end_row();
1.3 albertel 360: } elsif ($target eq 'modified') {
361: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
362: $safeeval,'molecule',
1.22 albertel 363: 'width','texwidth',
364: 'options');
1.3 albertel 365: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
366: }
367: return $result;
1.1 albertel 368: }
369:
1.6 albertel 370: sub end_organicstructure {
1.3 albertel 371: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
372: my $result;
373: if ($target eq "edit") {
374: $result.= &Apache::edit::tag_end($target,$token,'');
375: }
1.4 albertel 376: return $result;
377: }
378:
1.9 albertel 379: sub edit_reaction_button {
1.11 albertel 380: my ($id,$field,$reaction)=@_;
1.10 albertel 381: my $id_es=&Apache::lonnet::escape($id);
382: my $field_es=&Apache::lonnet::escape($field);
1.11 albertel 383: my $reaction_es=&Apache::lonnet::escape($reaction);
1.41 www 384: my $docopen=&Apache::lonhtmlcommon::javascript_docopen();
1.9 albertel 385: my $result=<<EDITREACTION;
1.10 albertel 386: <script type="text/javascript">
1.47 albertel 387: // <!--
1.10 albertel 388: function create_reaction_window_${id}_${field} () {
389: editor=window.open('','','width=500,height=270,scrollbars=no,resizable=yes');
1.41 www 390: editor.$docopen;
1.37 albertel 391: editor.document.writeln('<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"><html> <head><title>LON-CAPA Reaction Editor</title></head><frameset rows="30%,*" border="0"> <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=$field_es" name="editor" scrolling="no" /> </frameset> </html>');
1.10 albertel 392: }
1.47 albertel 393: // -->
1.10 albertel 394: </script>
1.47 albertel 395: <input type='button' value='Edit Answer' onclick="javascript:create_reaction_window_${id}_${field}();void(0);" />
1.9 albertel 396: EDITREACTION
397: return $result;
398: }
399:
1.4 albertel 400: sub start_reactionresponse {
401: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
402: my $result;
403: my $id = &Apache::response::start_response($parstack,$safeeval);
1.10 albertel 404: if ($target eq 'meta') {
1.28 albertel 405: $result=&Apache::response::meta_package_write('reactionresponse');
1.10 albertel 406: } elsif ($target eq 'web') {
1.11 albertel 407: my $partid = $Apache::inputtags::part;
408: my $id = $Apache::inputtags::response['-1'];
409: my $reaction=$Apache::lonhomework::history{"resource.$partid.$id.submission"};
1.35 albertel 410: if ($reaction eq '') { $reaction=&Apache::lonxml::get_param('initial',$parstack,$safeeval); }
1.33 albertel 411: my $status=$Apache::inputtags::status['-1'];
412: if ($status eq 'CAN_ANSWER') {
413: $result.=&edit_reaction_button($id,"HWVAL_$id",$reaction);
414: }
415: if ( &Apache::response::show_answer() ) {
416: my $ans=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
1.51 albertel 417: if (!$Apache::lonxml::default_homework_loaded) {
418: &Apache::lonxml::default_homework_load($safeeval);
419: }
420: @Apache::scripttag::parser_env = @_;
421: $Apache::inputtags::answertxt{$id}=&Apache::run::run("return &chemparse(q\0$ans\0);",$safeeval);
1.33 albertel 422: }
1.4 albertel 423: } elsif ($target eq "edit") {
1.9 albertel 424: $result .=&Apache::edit::tag_start($target,$token);
425: my $answer=&Apache::lonxml::get_param('answer',$parstack,
426: $safeeval);
1.10 albertel 427: $result .='<nobr>'.
428: &Apache::edit::text_arg('Answer:','answer',$token,40);
429: $result .=&edit_reaction_button($id,&Apache::edit::html_element_name('answer'),$answer).'</nobr>';
1.35 albertel 430: my $initial=&Apache::lonxml::get_param('initial',$parstack,$safeeval);
431: $result.='<nobr>'.
1.43 albertel 432: &Apache::edit::text_arg('Initial Reaction:','initial',$token,40);
1.35 albertel 433: $result .=&edit_reaction_button($id,&Apache::edit::html_element_name('initial'),$initial).'</nobr>';
1.10 albertel 434:
1.9 albertel 435: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.10 albertel 436: } elsif ($target eq 'modified') {
437: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.35 albertel 438: $safeeval,'answer',
439: 'initial');
1.10 albertel 440: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.4 albertel 441: }
442: return $result;
443: }
444:
445: sub end_reactionresponse {
446: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
447: my $result;
1.45 albertel 448: if ($target eq 'grade' && &Apache::response::submitted()) {
1.31 albertel 449: &Apache::response::setup_params($$tagstack[-1],$safeeval);
1.10 albertel 450: my $response = &Apache::response::getresponse();
451: if ( $response =~ /[^\s]/) {
452: my $partid = $Apache::inputtags::part;
453: my $id = $Apache::inputtags::response['-1'];
1.15 albertel 454: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
1.10 albertel 455: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
456: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
457: my $ad;
1.13 albertel 458: foreach my $answer (@answers) {
459: &Apache::lonxml::debug("submitted a $response for $answer<br \>\n");
1.34 albertel 460: if (&chem_standard_order($response) eq
461: &chem_standard_order($answer)) {
1.13 albertel 462: $ad='EXACT_ANS';
463: } else {
464: $ad='INCORRECT';
465: }
1.10 albertel 466: }
1.42 albertel 467: if ($ad && $Apache::lonhomework::type eq 'survey') {
468: $ad='SUBMITTED';
469: }
1.10 albertel 470: &Apache::response::handle_previous(\%previous,$ad);
471: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
472: }
473: } elsif ($target eq "edit") {
1.4 albertel 474: $result.= &Apache::edit::tag_end($target,$token,'');
1.15 albertel 475: } elsif ($target eq 'answer') {
476: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
477: $safeeval);
478: $result.=&Apache::response::answer_header('reactionresponse');
479: foreach my $answer (@answers) {
480: $result.=&Apache::response::answer_part('reactionresponse',
481: $answer);
482: }
483: $result.=&Apache::response::answer_footer('reactionresponse');
1.4 albertel 484: }
485: &Apache::response::end_response;
1.3 albertel 486: return $result;
1.1 albertel 487: }
488:
1.46 albertel 489: sub start_chem {
490: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
491: my $result = '';
1.48 albertel 492: my $inside = &Apache::lonxml::get_all_text_unbalanced("/chem",$parser);
1.46 albertel 493: if ($target eq 'tex' || $target eq 'web') {
1.48 albertel 494: $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
495: if (!$Apache::lonxml::default_homework_loaded) {
496: &Apache::lonxml::default_homework_load($safeeval);
497: }
498: @Apache::scripttag::parser_env = @_;
499: $result=&Apache::run::run("return &chemparse(q\0$inside\0);",$safeeval);
1.46 albertel 500: }
501: return $result;
502: }
503:
504: sub end_chem {
505: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
506: my $result = '';
507: return $result;
508: }
509:
1.1 albertel 510: 1;
511: __END__
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