1: # The LearningOnline Network with CAPA
2: # chemical equation style response
3: #
4: # $Id: chemresponse.pm,v 1.60 2005/06/30 18:56:35 albertel 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:
35: BEGIN {
36: &Apache::lonxml::register('Apache::chemresponse',('organicresponse','organicstructure','reactionresponse','chem'));
37: }
38:
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 $standard;
64: }
65:
66: sub separate_jme_window {
67: my ($smile_input,$jme_input,$molecule,$options,$shown_text)=@_;
68: my $smilesection;
69: if (defined($smile_input)) {
70: $smilesection=<<SMILESECTION;
71: smiles = document.applets.JME.smiles();
72: opener.document.lonhomework.$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:
83: if ($molecule) { $molecule='<param name="jme" value="'.$molecule.'" />'; }
84: my $insert_answer;
85: if ($shown_text eq '') {
86: $insert_answer=
87: '<input type="button" name="submit" value="Insert Answer" onclick="javascript:submitSmiles();" />';
88: }
89:
90: my $body=<<CHEMPAGE;
91: <html>
92: <head>
93: <title>Molecule Editor</title>
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: </head>
111: <body bgcolor="#ffffff">
112: <center>
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>
136: You have to enable Java and JavaScript on your machine.
137: $molecule
138: <param name="options" value="$options" />
139: </applet><br />
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>
141: $insert_answer
142: <br />
143: <input type="button" value=" Close " onclick = "javascript:window.close()" />
144:
145: <input type="button" value=" Help " onclick = "javascript:openHelpWindow()" />
146: </form>
147: </center>
148: </body>
149: </html>
150: CHEMPAGE
151: $body=&HTML::Entities::encode($body,'<>&"');
152: $body=~s/\n/ /g;
153: my $nothing=&Apache::lonhtmlcommon::javascript_nothing();
154: my $docopen=&Apache::lonhtmlcommon::javascript_docopen();
155: my $display=&mt('Draw Molecule');
156: if (defined($shown_text)) { $display=&mt($shown_text); }
157: my $result=<<CHEMINPUT;
158: <input type="button" value="$display" onclick="javascript:editor=window.open($nothing,'jmeedit','width=500,height=500,menubar=yes,scrollbars=no,resizable=yes');editor.$docopen;editor.document.write('$body');editor.document.close();editor.focus()" />
159: CHEMINPUT
160: return $result;
161: }
162:
163: sub jme_img {
164: my ($jme,$smile,$width,$options)=@_;
165: my $id=&Apache::loncommon::get_cgi_id();
166: my $result='<img alt="'.$smile.'" src="/cgi-bin/convertjme.pl?'.$id.'"';
167: if ($options =~ /border/) { $result.= ' border="1"'; }
168: $result.=' />';
169: &Apache::lonnet::appenv('cgi.'.$id.'.JME' =>
170: &Apache::lonnet::escape($jme),
171: 'cgi.'.$id.'.PNG' => 1,
172: 'cgi.'.$id.'.WIDTH' => $width);
173: return $result;
174: }
175:
176: sub start_organicresponse {
177: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
178: my $result;
179: my $partid = $Apache::inputtags::part;
180: my $id = &Apache::response::start_response($parstack,$safeeval);
181: if ($target eq 'meta') {
182: $result=&Apache::response::meta_package_write('organicresponse');
183: } elsif ($target eq 'web') {
184: my $jmeanswer=&Apache::lonxml::get_param('jmeanswer',$parstack,
185: $safeeval);
186: if ( &Apache::response::show_answer() && $jmeanswer ne '') {
187: my $options=&Apache::lonxml::get_param('options',$parstack,
188: $safeeval);
189: my $width=&Apache::lonxml::get_param('width',$parstack,
190: $safeeval);
191: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
192: $safeeval);
193: $result.=&jme_img($jmeanswer,$answers[0],$width,$options);
194: } else {
195: my $molecule;
196: if (defined($Apache::lonhomework::history{"resource.$partid.$id.molecule"})) {
197: $molecule=$Apache::lonhomework::history{"resource.$partid.$id.molecule"};
198: } else {
199: $molecule=&Apache::lonxml::get_param('molecule',$parstack,
200: $safeeval);
201: }
202: my $options=&Apache::lonxml::get_param('options',$parstack,
203: $safeeval);
204: my $shown_text;
205: if (&Apache::response::show_answer()) {
206: $shown_text="Show Your Last Answer";
207: }
208: $result=&separate_jme_window("HWVAL_$id","MOLECULE_$id",$molecule,
209: $options,$shown_text);
210: $result.= '<input type="hidden" name="MOLECULE_'.$id.'" value="" />';
211: }
212: } elsif ($target eq 'edit') {
213: $result .=&Apache::edit::tag_start($target,$token);
214: my $options=&Apache::lonxml::get_param('options',$parstack,
215: $safeeval);
216: if ($options !~ /multipart/) { $options.=',multipart'; }
217: $result .='<nobr>'.
218: &Apache::edit::text_arg('Starting Molecule:','molecule',
219: $token,40);
220: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,
221: $safeeval);
222: $result .=&separate_jme_window(undef,
223: &Apache::edit::html_element_name('molecule'),
224: $molecule,$options);
225: $result .='</nobr><br /><nobr>';
226: $result .=&Apache::edit::text_arg('Correct Answer:','answer',
227: $token,40);
228: $result .=&Apache::edit::hidden_arg('jmeanswer',$token);
229: my $jmeanswer=&Apache::lonxml::get_param('jmeanswer',$parstack,
230: $safeeval);
231: $result .=&separate_jme_window(
232: &Apache::edit::html_element_name('answer'),
233: &Apache::edit::html_element_name('jmeanswer'),
234: $jmeanswer,$options);
235: $result .='</nobr><br />';
236: $result .=&Apache::edit::checked_arg('Options:','options',
237: [ ['autoez','Auto E,Z stereochemistry'],
238: ['multipart','Multipart Structures'],
239: ['nostereo','No stereochemistry'],
240: ['reaction','Is a reaction'],
241: ['number','Able to number atoms'] ],
242: ,$token);
243: $result .=&Apache::edit::text_arg('Width of correct answer image:',
244: 'width',$token,10);
245: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
246: } elsif ($target eq 'modified') {
247: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
248: $safeeval,'molecule',
249: 'answer','jmeanswer',
250: 'options','width');
251: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
252: }
253: return $result;
254: }
255:
256: sub end_organicresponse {
257: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
258: my $result;
259: if ($target eq 'grade' && &Apache::response::submitted()) {
260: &Apache::response::setup_params($$tagstack[-1],$safeeval);
261: my $response = &Apache::response::getresponse();
262: if ( $response =~ /[^\s]/) {
263: my $partid = $Apache::inputtags::part;
264: my $id = $Apache::inputtags::response['-1'];
265: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
266: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
267: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
268: my $ad;
269: foreach my $answer (@answers) {
270: &Apache::lonxml::debug("submitted a $response for $answer<br \>\n");
271: if ($response eq $answer) {
272: $ad='EXACT_ANS';
273: last;
274: } else {
275: $ad='INCORRECT';
276: }
277: }
278: if ($ad && $Apache::lonhomework::type eq 'survey') {
279: $ad='SUBMITTED';
280: }
281: &Apache::response::handle_previous(\%previous,$ad);
282: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
283: $Apache::lonhomework::results{"resource.$partid.$id.molecule"}=$env{"form.MOLECULE_$id"};
284: }
285: } elsif ($target eq "edit") {
286: $result.= &Apache::edit::tag_end($target,$token,'');
287: } elsif ($target eq 'answer') {
288: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
289: $safeeval);
290: $result.=&Apache::response::answer_header('organicresponse');
291: foreach my $answer (@answers) {
292: $result.=&Apache::response::answer_part('organicresponse',$answer);
293: }
294: $result.=&Apache::response::answer_footer('organicresponse');
295: }
296: &Apache::response::end_response;
297: return $result;
298: }
299:
300: sub start_organicstructure {
301: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
302: my $result;
303: if ($target eq 'web') {
304: my $width=&Apache::lonxml::get_param('width',$parstack,$safeeval);
305: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,$safeeval);
306: my $options=&Apache::lonxml::get_param('options',$parstack,$safeeval);
307: my $id=&Apache::loncommon::get_cgi_id();
308: $result="<img src='/cgi-bin/convertjme.pl?$id'";
309: if ($options =~ /border/) { $result.= ' border="1"'; }
310: $result.=' />';
311: &Apache::lonnet::appenv(
312: 'cgi.'.$id.'.JME' => &Apache::lonnet::escape($molecule),
313: 'cgi.'.$id.'.PNG' => 1,
314: 'cgi.'.$id.'.WIDTH' => $width );
315: } elsif ($target eq 'tex') {
316: my $texwidth=&Apache::lonxml::get_param('texwidth',$parstack,$safeeval,undef,1);
317: my $webwidth=&Apache::lonxml::get_param('width', $parstack, $safeeval);
318: my $webheight=&Apache::lonxml::get_param('height', $parstack, $safeeval);
319: if ($webheight) { $webheight = $webwidth; }
320: if (!$texwidth) { $texwidth='90'; }
321: $result = "%DYNAMICIMAGE:$webwidth:$webheight:$texwidth\n";
322: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,$safeeval);
323: my $options=&Apache::lonxml::get_param('options',$parstack,$safeeval);
324: my $filename = $env{'user.name'}.'_'.$env{'user.domain'}.
325: '_'.time.'_'.$$.int(rand(1000)).'_organicstructure';
326: my $id=$filename;
327: &Apache::lonnet::appenv(
328: 'cgi.'.$id.'.JME' => &Apache::lonnet::escape($molecule),
329: 'cgi.'.$id.'.PS' => 1,
330: 'cgi.'.$id.'.WIDTH' => $texwidth );
331: $id=&Apache::lonnet::escape($id);
332: &Apache::lonxml::register_ssi("/cgi-bin/convertjme.pl?$id");
333: if ($options =~ /border/) { $result.= '\fbox{'; }
334: $result .= '\graphicspath{{/home/httpd/perl/tmp/}}\includegraphics[width='.$texwidth.' mm]{'.$filename.'.eps}';
335: if ($options =~ /border/) { $result.= '} '; }
336: } elsif ($target eq 'edit') {
337: $result .=&Apache::edit::tag_start($target,$token);
338: $result .=&Apache::edit::text_arg('Width (pixels):','width',$token,5);
339: $result .=&Apache::edit::text_arg('TeXwidth (mm):','texwidth',$token,5);
340: $result .='<nobr>';
341: $result .=&Apache::edit::text_arg('Molecule:','molecule',$token,40);
342: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,
343: $safeeval);
344: my $options=&Apache::lonxml::get_param('options',$parstack,
345: $safeeval);
346: if ($options !~ /reaction/) {
347: $options.= ',multipart,number';
348: }
349:
350: $result .=&separate_jme_window(undef,
351: &Apache::edit::html_element_name('molecule'),
352: $molecule,$options);
353: $result.="</nobr><br />";
354: $result .=&Apache::edit::checked_arg('Options:','options',
355: [ ['reaction','Is a reaction'],
356: ['border','Draw a border'] ],
357: $token);
358: $result .=&Apache::edit::end_row();
359: } elsif ($target eq 'modified') {
360: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
361: $safeeval,'molecule',
362: 'width','texwidth',
363: 'options');
364: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
365: }
366: return $result;
367: }
368:
369: sub end_organicstructure {
370: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
371: my $result;
372: if ($target eq "edit") {
373: $result.= &Apache::edit::tag_end($target,$token,'');
374: }
375: return $result;
376: }
377:
378: sub edit_reaction_button {
379: my ($id,$field,$reaction)=@_;
380: my $id_es=&Apache::lonnet::escape($id);
381: my $field_es=&Apache::lonnet::escape($field);
382: my $reaction_es=&Apache::lonnet::escape($reaction);
383: my $docopen=&Apache::lonhtmlcommon::javascript_docopen();
384: my $result=<<EDITREACTION;
385: <script type="text/javascript">
386: // <!--
387: function create_reaction_window_${id}_${field} () {
388: editor=window.open('','','width=500,height=270,scrollbars=no,resizable=yes');
389: editor.$docopen;
390: 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=$field_es" name="editor" scrolling="no" /> </frameset> </html>');
391: }
392: // -->
393: </script>
394: <input type='button' value='Edit Answer' onclick="javascript:create_reaction_window_${id}_${field}();void(0);" />
395: EDITREACTION
396: return $result;
397: }
398:
399: sub start_reactionresponse {
400: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
401: my $result;
402: my $id = &Apache::response::start_response($parstack,$safeeval);
403: if ($target eq 'meta') {
404: $result=&Apache::response::meta_package_write('reactionresponse');
405: } elsif ($target eq 'web') {
406: my $partid = $Apache::inputtags::part;
407: my $id = $Apache::inputtags::response['-1'];
408: my $reaction=$Apache::lonhomework::history{"resource.$partid.$id.submission"};
409: if ($reaction eq '') { $reaction=&Apache::lonxml::get_param('initial',$parstack,$safeeval); }
410: my $status=$Apache::inputtags::status['-1'];
411: if ($status eq 'CAN_ANSWER') {
412: $result.=&edit_reaction_button($id,"HWVAL_$id",$reaction);
413: }
414: if ( &Apache::response::show_answer() ) {
415: my $ans=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
416: if (!$Apache::lonxml::default_homework_loaded) {
417: &Apache::lonxml::default_homework_load($safeeval);
418: }
419: @Apache::scripttag::parser_env = @_;
420: $Apache::inputtags::answertxt{$id}=&Apache::run::run("return &chemparse(q\0$ans\0);",$safeeval);
421: }
422: } elsif ($target eq "edit") {
423: $result .=&Apache::edit::tag_start($target,$token);
424: my $answer=&Apache::lonxml::get_param('answer',$parstack,
425: $safeeval);
426: $result .='<nobr>'.
427: &Apache::edit::text_arg('Answer:','answer',$token,40);
428: $result .=&edit_reaction_button($id,&Apache::edit::html_element_name('answer'),$answer).'</nobr>';
429: my $initial=&Apache::lonxml::get_param('initial',$parstack,$safeeval);
430: $result.='<nobr>'.
431: &Apache::edit::text_arg('Initial Reaction:','initial',$token,40);
432: $result .=&edit_reaction_button($id,&Apache::edit::html_element_name('initial'),$initial).'</nobr>';
433:
434: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
435: } elsif ($target eq 'modified') {
436: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
437: $safeeval,'answer',
438: 'initial');
439: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
440: }
441: return $result;
442: }
443:
444: sub end_reactionresponse {
445: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
446: my $result;
447: if ($target eq 'grade' && &Apache::response::submitted()) {
448: &Apache::response::setup_params($$tagstack[-1],$safeeval);
449: my $response = &Apache::response::getresponse();
450: if ( $response =~ /[^\s]/) {
451: my $partid = $Apache::inputtags::part;
452: my $id = $Apache::inputtags::response['-1'];
453: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
454: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
455: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
456: my $ad;
457: foreach my $answer (@answers) {
458: &Apache::lonxml::debug("submitted a $response for $answer<br \>\n");
459: if (&chem_standard_order($response) eq
460: &chem_standard_order($answer)) {
461: $ad='EXACT_ANS';
462: } else {
463: $ad='INCORRECT';
464: }
465: }
466: if ($ad && $Apache::lonhomework::type eq 'survey') {
467: $ad='SUBMITTED';
468: }
469: &Apache::response::handle_previous(\%previous,$ad);
470: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
471: }
472: } elsif ($target eq "edit") {
473: $result.= &Apache::edit::tag_end($target,$token,'');
474: } elsif ($target eq 'answer') {
475: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
476: $safeeval);
477: $result.=&Apache::response::answer_header('reactionresponse');
478: foreach my $answer (@answers) {
479: $result.=&Apache::response::answer_part('reactionresponse',
480: $answer);
481: }
482: $result.=&Apache::response::answer_footer('reactionresponse');
483: }
484: &Apache::response::end_response;
485: return $result;
486: }
487:
488: sub start_chem {
489: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
490: my $result = '';
491: my $inside = &Apache::lonxml::get_all_text_unbalanced("/chem",$parser);
492: if ($target eq 'tex' || $target eq 'web') {
493: $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
494: if (!$Apache::lonxml::default_homework_loaded) {
495: &Apache::lonxml::default_homework_load($safeeval);
496: }
497: @Apache::scripttag::parser_env = @_;
498: $result=&Apache::run::run("return &chemparse(q\0$inside\0);",$safeeval);
499: }
500: return $result;
501: }
502:
503: sub end_chem {
504: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
505: my $result = '';
506: return $result;
507: }
508:
509: 1;
510: __END__
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