Annotation of loncom/homework/chemresponse.pm, revision 1.48
1.1 albertel 1: # The LearningOnline Network with CAPA
2: # chemical equation style response
3: #
1.48 ! albertel 4: # $Id: chemresponse.pm,v 1.47 2005/02/18 05:37:42 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;
33:
34: BEGIN {
1.46 albertel 35: &Apache::lonxml::register('Apache::chemresponse',('organicresponse','organicstructure','reactionresponse','chem'));
1.1 albertel 36: }
37:
1.34 albertel 38: sub chem_standard_order {
39: my ($reaction) = @_;
40: my ($re,$pr) = split(/->|<=>/,$reaction);
41: my @reactants = split(/\s\+/,$re);
42: my @products = split(/\s\+/,$pr);
43: foreach my $substance (@reactants,@products) {
44: $substance =~ s/(\^\d*)\s+/$1_/g; # protect superscript space
45: $substance =~ s/\s*//g; # strip whitespace
46: $substance =~ s/_/ /g; # restore superscript space
47: }
48: @reactants = sort @reactants;
49: @products = sort @products;
50: my $standard = '';
51: foreach my $substance (@reactants) {
52: $standard .= $substance;
53: $standard .= ' + ';
54: }
55: $standard =~ s/ \+ $//; # get rid of trailing plus sign
56: $standard .= ' -> ';
57: foreach my $substance (@products) {
58: $standard .= $substance;
59: $standard .= ' + ';
60: }
61: $standard =~ s/ \+ $//; # get rid of trailing plus sign
62: return $standard;
63: }
64:
1.30 www 65: sub separate_jme_window {
1.6 albertel 66: my ($smile_input,$jme_input,$molecule,$options)=@_;
1.2 albertel 67: my $smilesection;
68: if (defined($smile_input)) {
69: $smilesection=<<SMILESECTION;
1.21 albertel 70: smiles = document.applets.JME.smiles();
1.2 albertel 71: opener.document.lonhomework.$smile_input.value = smiles;
72: SMILESECTION
73: }
74: my $jmesection;
75: if (defined($jme_input)) {
76: $jmesection=<<JMESECTION;
77: jmeFile = document.applets.JME.jmeFile();
78: opener.document.lonhomework.$jme_input.value = jmeFile;
79: JMESECTION
80: }
81:
1.14 albertel 82: if ($molecule) { $molecule='<param name="jme" value="'.$molecule.'" />'; }
1.1 albertel 83: my $body=<<CHEMPAGE;
84: <html>
85: <head>
86: <title>Molecule Editor</title>
1.47 albertel 87: <script type="text/javascript">
88: // <!--
1.1 albertel 89: function submitSmiles() {
1.21 albertel 90: jmeFile = document.applets.JME.jmeFile();
91: if (jmeFile == "") {
1.1 albertel 92: alert("Nothing to submit");
93: } else {
1.21 albertel 94: $jmesection
1.2 albertel 95: $smilesection
1.1 albertel 96: window.close();
97: }
98: }
99: function openHelpWindow() {
1.2 albertel 100: window.open("/adm/jme/jme_help.html","","scrollbars=yes,resizable=yes,width=500,height=600");
1.1 albertel 101: }
1.47 albertel 102: // -->
1.1 albertel 103: </script>
104: </head>
105: <body bgcolor="#ffffff">
106: <center>
1.27 albertel 107: <applet code="JME.class" name="JME" archive="/adm/jme/JME.jar" width="440" height="390">
1.1 albertel 108: You have to enable Java and JavaScript on your machine.
1.12 albertel 109: $molecule
1.6 albertel 110: <param name="options" value="$options" />
1.1 albertel 111: </applet><br />
112: <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>
113: <form>
1.47 albertel 114: <input type="button" name="submit" value="Insert Answer" onclick = "submitSmiles();" />
1.1 albertel 115: <br />
1.47 albertel 116: <input type="button" value=" Close " onclick = "window.close()" />
1.1 albertel 117:
1.47 albertel 118: <input type="button" value=" Help " onclick = "openHelpWindow()" />
1.1 albertel 119: </form>
120: </center>
121: </body>
122: </html>
123: CHEMPAGE
1.32 albertel 124: $body=&HTML::Entities::encode($body,'<>&"');
1.1 albertel 125: $body=~s/\n/ /g;
1.41 www 126: my $docopen=&Apache::lonhtmlcommon::javascript_docopen();
1.1 albertel 127: my $result=<<CHEMINPUT;
1.47 albertel 128: <input type="button" value="Draw Molecule" onclick="javascript:editor=window.open('','','width=500,height=500,scrollbars=no,resizable=yes');editor.$docopen;editor.document.writeln('$body')" />
1.1 albertel 129: CHEMINPUT
130: return $result;
131: }
132:
1.6 albertel 133: sub start_organicresponse {
1.1 albertel 134: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
135: my $result;
136: my $partid = $Apache::inputtags::part;
137: my $id = &Apache::response::start_response($parstack,$safeeval);
138: if ($target eq 'meta') {
1.28 albertel 139: $result=&Apache::response::meta_package_write('organicresponse');
1.1 albertel 140: } elsif ($target eq 'web') {
1.44 albertel 141: if ( &Apache::response::show_answer() ) {
142: my $jmeanswer=&Apache::lonxml::get_param('jmeanswer',$parstack,
143: $safeeval);
144: my $options=&Apache::lonxml::get_param('options',$parstack,
145: $safeeval);
146: my $width=&Apache::lonxml::get_param('width',$parstack,
147: $safeeval);
148: my $id=&Apache::loncommon::get_cgi_id();
149: $result="<img src='/cgi-bin/convertjme.pl?$id'";
150: if ($options =~ /border/) { $result.= ' border="1"'; }
151: $result.=' />';
152: &Apache::lonnet::appenv('cgi.'.$id.'.JME' =>
153: &Apache::lonnet::escape($jmeanswer),
154: 'cgi.'.$id.'.PNG' => 1,
155: 'cgi.'.$id.'.WIDTH' => $width);
1.1 albertel 156: } else {
1.44 albertel 157: my $molecule;
158: if (defined($Apache::lonhomework::history{"resource.$partid.$id.molecule"})) {
159: $molecule=$Apache::lonhomework::history{"resource.$partid.$id.molecule"};
160: } else {
161: $molecule=&Apache::lonxml::get_param('molecule',$parstack,
162: $safeeval);
163: }
164: my $options=&Apache::lonxml::get_param('options',$parstack,
165: $safeeval);
166: $result=&separate_jme_window("HWVAL_$id","MOLECULE_$id",$molecule,$options);
167: $result.= '<input type="hidden" name="MOLECULE_'.$id.'" value="" />';
1.1 albertel 168: }
1.2 albertel 169: } elsif ($target eq 'edit') {
170: $result .=&Apache::edit::tag_start($target,$token);
1.12 albertel 171: my $options=&Apache::lonxml::get_param('options',$parstack,
172: $safeeval);
173: if ($options !~ /multipart/) { $options.=',multipart'; }
1.7 albertel 174: $result .='<nobr>'.
175: &Apache::edit::text_arg('Starting Molecule:','molecule',
176: $token,40);
1.2 albertel 177: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,
178: $safeeval);
1.30 www 179: $result .=&separate_jme_window(undef,
1.2 albertel 180: &Apache::edit::html_element_name('molecule'),
1.12 albertel 181: $molecule,$options);
1.7 albertel 182: $result .='</nobr><br /><nobr>';
1.2 albertel 183: $result .=&Apache::edit::text_arg('Correct Answer:','answer',
184: $token,40);
185: $result .=&Apache::edit::hidden_arg('jmeanswer',$token);
186: my $jmeanswer=&Apache::lonxml::get_param('jmeanswer',$parstack,
187: $safeeval);
1.30 www 188: $result .=&separate_jme_window(
1.2 albertel 189: &Apache::edit::html_element_name('answer'),
190: &Apache::edit::html_element_name('jmeanswer'),
1.12 albertel 191: $jmeanswer,$options);
192: $result .='</nobr><br />';
193: $result .=&Apache::edit::checked_arg('Options:','options',
1.29 www 194: [ ['autoez','Auto E,Z stereochemistry'],
1.18 albertel 195: ['multipart','Multipart Structures'],
1.12 albertel 196: ['nostereo','No stereochemistry'],
197: ['reaction','Is a reaction'],
1.18 albertel 198: ['number','Able to number atoms'] ],
1.12 albertel 199: ,$token);
1.44 albertel 200: $result .=&Apache::edit::text_arg('Width of correct answer image:',
201: 'width',$token,10);
1.2 albertel 202: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
203: } elsif ($target eq 'modified') {
204: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
205: $safeeval,'molecule',
1.6 albertel 206: 'answer','jmeanswer',
1.44 albertel 207: 'options','width');
1.2 albertel 208: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.1 albertel 209: }
210: return $result;
211: }
212:
1.6 albertel 213: sub end_organicresponse {
1.1 albertel 214: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
215: my $result;
1.45 albertel 216: if ($target eq 'grade' && &Apache::response::submitted()) {
1.31 albertel 217: &Apache::response::setup_params($$tagstack[-1],$safeeval);
1.1 albertel 218: my $response = &Apache::response::getresponse();
219: if ( $response =~ /[^\s]/) {
220: my $partid = $Apache::inputtags::part;
221: my $id = $Apache::inputtags::response['-1'];
1.13 albertel 222: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
1.1 albertel 223: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
224: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
225: my $ad;
1.13 albertel 226: foreach my $answer (@answers) {
227: &Apache::lonxml::debug("submitted a $response for $answer<br \>\n");
228: if ($response eq $answer) {
229: $ad='EXACT_ANS';
230: last;
231: } else {
232: $ad='INCORRECT';
233: }
1.1 albertel 234: }
1.42 albertel 235: if ($ad && $Apache::lonhomework::type eq 'survey') {
236: $ad='SUBMITTED';
237: }
1.1 albertel 238: &Apache::response::handle_previous(\%previous,$ad);
239: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
240: $Apache::lonhomework::results{"resource.$partid.$id.molecule"}=$ENV{"form.MOLECULE_$id"};
241: }
1.2 albertel 242: } elsif ($target eq "edit") {
243: $result.= &Apache::edit::tag_end($target,$token,'');
1.15 albertel 244: } elsif ($target eq 'answer') {
245: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
246: $safeeval);
247: $result.=&Apache::response::answer_header('organicresponse');
248: foreach my $answer (@answers) {
249: $result.=&Apache::response::answer_part('organicresponse',$answer);
250: }
251: $result.=&Apache::response::answer_footer('organicresponse');
1.1 albertel 252: }
253: &Apache::response::end_response;
254: return $result;
255: }
256:
1.6 albertel 257: sub start_organicstructure {
1.3 albertel 258: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
259: my $result;
260: if ($target eq 'web') {
261: my $width=&Apache::lonxml::get_param('width',$parstack,$safeeval);
262: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,$safeeval);
1.12 albertel 263: my $options=&Apache::lonxml::get_param('options',$parstack,$safeeval);
1.23 albertel 264: my $id=&Apache::loncommon::get_cgi_id();
1.19 albertel 265: $result="<img src='/cgi-bin/convertjme.pl?$id'";
266: if ($options =~ /border/) { $result.= ' border="1"'; }
267: $result.=' />';
1.16 albertel 268: &Apache::lonnet::appenv(
269: 'cgi.'.$id.'.JME' => &Apache::lonnet::escape($molecule),
1.17 albertel 270: 'cgi.'.$id.'.PNG' => 1,
1.16 albertel 271: 'cgi.'.$id.'.WIDTH' => $width );
1.17 albertel 272: } elsif ($target eq 'tex') {
1.38 albertel 273: my $texwidth=&Apache::lonxml::get_param('texwidth',$parstack,$safeeval,undef,1);
1.17 albertel 274: if (!$texwidth) { $texwidth='90'; }
275: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,$safeeval);
276: my $options=&Apache::lonxml::get_param('options',$parstack,$safeeval);
277: my $filename = $ENV{'user.name'}.'_'.$ENV{'user.domain'}.
278: '_'.time.'_'.$$.int(rand(1000)).'_organicstructure';
279: my $id=$filename;
280: &Apache::lonnet::appenv(
281: 'cgi.'.$id.'.JME' => &Apache::lonnet::escape($molecule),
282: 'cgi.'.$id.'.PS' => 1,
283: 'cgi.'.$id.'.WIDTH' => $texwidth );
284: $id=&Apache::lonnet::escape($id);
285: &Apache::lonxml::register_ssi("/cgi-bin/convertjme.pl?$id");
1.20 albertel 286: if ($options =~ /border/) { $result.= '\fbox{'; }
287: $result .= '\graphicspath{{/home/httpd/perl/tmp/}}\includegraphics[width='.$texwidth.' mm]{'.$filename.'.eps}';
288: if ($options =~ /border/) { $result.= '} '; }
1.3 albertel 289: } elsif ($target eq 'edit') {
290: $result .=&Apache::edit::tag_start($target,$token);
1.22 albertel 291: $result .=&Apache::edit::text_arg('Width (pixels):','width',$token,5);
292: $result .=&Apache::edit::text_arg('TeXwidth (mm):','texwidth',$token,5);
1.12 albertel 293: $result .='<nobr>';
1.3 albertel 294: $result .=&Apache::edit::text_arg('Molecule:','molecule',$token,40);
295: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,
296: $safeeval);
1.12 albertel 297: my $options=&Apache::lonxml::get_param('options',$parstack,
298: $safeeval);
299: if ($options !~ /reaction/) {
300: $options.= ',multipart,number';
301: }
302:
1.30 www 303: $result .=&separate_jme_window(undef,
1.12 albertel 304: &Apache::edit::html_element_name('molecule'),
305: $molecule,$options);
306: $result.="</nobr><br />";
307: $result .=&Apache::edit::checked_arg('Options:','options',
1.18 albertel 308: [ ['reaction','Is a reaction'],
1.12 albertel 309: ['border','Draw a border'] ],
310: $token);
1.24 albertel 311: $result .=&Apache::edit::end_row();
1.3 albertel 312: } elsif ($target eq 'modified') {
313: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
314: $safeeval,'molecule',
1.22 albertel 315: 'width','texwidth',
316: 'options');
1.3 albertel 317: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
318: }
319: return $result;
1.1 albertel 320: }
321:
1.6 albertel 322: sub end_organicstructure {
1.3 albertel 323: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
324: my $result;
325: if ($target eq "edit") {
326: $result.= &Apache::edit::tag_end($target,$token,'');
327: }
1.4 albertel 328: return $result;
329: }
330:
1.9 albertel 331: sub edit_reaction_button {
1.11 albertel 332: my ($id,$field,$reaction)=@_;
1.10 albertel 333: my $id_es=&Apache::lonnet::escape($id);
334: my $field_es=&Apache::lonnet::escape($field);
1.11 albertel 335: my $reaction_es=&Apache::lonnet::escape($reaction);
1.41 www 336: my $docopen=&Apache::lonhtmlcommon::javascript_docopen();
1.9 albertel 337: my $result=<<EDITREACTION;
1.10 albertel 338: <script type="text/javascript">
1.47 albertel 339: // <!--
1.10 albertel 340: function create_reaction_window_${id}_${field} () {
341: editor=window.open('','','width=500,height=270,scrollbars=no,resizable=yes');
1.41 www 342: editor.$docopen;
1.37 albertel 343: 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=$field_es" name="editor" scrolling="no" /> </frameset> </html>');
1.10 albertel 344: }
1.47 albertel 345: // -->
1.10 albertel 346: </script>
1.47 albertel 347: <input type='button' value='Edit Answer' onclick="javascript:create_reaction_window_${id}_${field}();void(0);" />
1.9 albertel 348: EDITREACTION
349: return $result;
350: }
351:
1.4 albertel 352: sub start_reactionresponse {
353: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
354: my $result;
355: my $id = &Apache::response::start_response($parstack,$safeeval);
1.10 albertel 356: if ($target eq 'meta') {
1.28 albertel 357: $result=&Apache::response::meta_package_write('reactionresponse');
1.10 albertel 358: } elsif ($target eq 'web') {
1.11 albertel 359: my $partid = $Apache::inputtags::part;
360: my $id = $Apache::inputtags::response['-1'];
361: my $reaction=$Apache::lonhomework::history{"resource.$partid.$id.submission"};
1.35 albertel 362: if ($reaction eq '') { $reaction=&Apache::lonxml::get_param('initial',$parstack,$safeeval); }
1.33 albertel 363: my $status=$Apache::inputtags::status['-1'];
364: if ($status eq 'CAN_ANSWER') {
365: $result.=&edit_reaction_button($id,"HWVAL_$id",$reaction);
366: }
367: if ( &Apache::response::show_answer() ) {
368: my $ans=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
369: $ans=~s/(\\|\')/\\$1/g;
370: $Apache::inputtags::answertxt{$id}=&Apache::run::run("return &chemparse('$ans');",$safeeval);
371: }
1.4 albertel 372: } elsif ($target eq "edit") {
1.9 albertel 373: $result .=&Apache::edit::tag_start($target,$token);
374: my $answer=&Apache::lonxml::get_param('answer',$parstack,
375: $safeeval);
1.10 albertel 376: $result .='<nobr>'.
377: &Apache::edit::text_arg('Answer:','answer',$token,40);
378: $result .=&edit_reaction_button($id,&Apache::edit::html_element_name('answer'),$answer).'</nobr>';
1.35 albertel 379: my $initial=&Apache::lonxml::get_param('initial',$parstack,$safeeval);
380: $result.='<nobr>'.
1.43 albertel 381: &Apache::edit::text_arg('Initial Reaction:','initial',$token,40);
1.35 albertel 382: $result .=&edit_reaction_button($id,&Apache::edit::html_element_name('initial'),$initial).'</nobr>';
1.10 albertel 383:
1.9 albertel 384: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.10 albertel 385: } elsif ($target eq 'modified') {
386: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.35 albertel 387: $safeeval,'answer',
388: 'initial');
1.10 albertel 389: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.4 albertel 390: }
391: return $result;
392: }
393:
394: sub end_reactionresponse {
395: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
396: my $result;
1.45 albertel 397: if ($target eq 'grade' && &Apache::response::submitted()) {
1.31 albertel 398: &Apache::response::setup_params($$tagstack[-1],$safeeval);
1.10 albertel 399: my $response = &Apache::response::getresponse();
400: if ( $response =~ /[^\s]/) {
401: my $partid = $Apache::inputtags::part;
402: my $id = $Apache::inputtags::response['-1'];
1.15 albertel 403: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
1.10 albertel 404: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
405: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
406: my $ad;
1.13 albertel 407: foreach my $answer (@answers) {
408: &Apache::lonxml::debug("submitted a $response for $answer<br \>\n");
1.34 albertel 409: if (&chem_standard_order($response) eq
410: &chem_standard_order($answer)) {
1.13 albertel 411: $ad='EXACT_ANS';
412: } else {
413: $ad='INCORRECT';
414: }
1.10 albertel 415: }
1.42 albertel 416: if ($ad && $Apache::lonhomework::type eq 'survey') {
417: $ad='SUBMITTED';
418: }
1.10 albertel 419: &Apache::response::handle_previous(\%previous,$ad);
420: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
421: }
422: } elsif ($target eq "edit") {
1.4 albertel 423: $result.= &Apache::edit::tag_end($target,$token,'');
1.15 albertel 424: } elsif ($target eq 'answer') {
425: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
426: $safeeval);
427: $result.=&Apache::response::answer_header('reactionresponse');
428: foreach my $answer (@answers) {
429: $result.=&Apache::response::answer_part('reactionresponse',
430: $answer);
431: }
432: $result.=&Apache::response::answer_footer('reactionresponse');
1.4 albertel 433: }
434: &Apache::response::end_response;
1.3 albertel 435: return $result;
1.1 albertel 436: }
437:
1.46 albertel 438: sub start_chem {
439: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
440: my $result = '';
1.48 ! albertel 441: my $inside = &Apache::lonxml::get_all_text_unbalanced("/chem",$parser);
1.46 albertel 442: if ($target eq 'tex' || $target eq 'web') {
1.48 ! albertel 443: $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
! 444: if (!$Apache::lonxml::default_homework_loaded) {
! 445: &Apache::lonxml::default_homework_load($safeeval);
! 446: }
! 447: @Apache::scripttag::parser_env = @_;
! 448: $result=&Apache::run::run("return &chemparse(q\0$inside\0);",$safeeval);
1.46 albertel 449: }
450: return $result;
451: }
452:
453: sub end_chem {
454: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
455: my $result = '';
456: return $result;
457: }
458:
1.1 albertel 459: 1;
460: __END__
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