1: # The LearningOnline Network with CAPA
2: # chemical equation style response
3: #
4: # $Id: chemresponse.pm,v 1.42 2004/10/21 06:37:36 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:
34: BEGIN {
35: &Apache::lonxml::register('Apache::chemresponse',('organicresponse','organicstructure','reactionresponse'));
36: }
37:
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 $standard;
63: }
64:
65: sub separate_jme_window {
66: my ($smile_input,$jme_input,$molecule,$options)=@_;
67: my $smilesection;
68: if (defined($smile_input)) {
69: $smilesection=<<SMILESECTION;
70: smiles = document.applets.JME.smiles();
71: opener.document.lonhomework.$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:
82: if ($molecule) { $molecule='<param name="jme" value="'.$molecule.'" />'; }
83: my $body=<<CHEMPAGE;
84: <html>
85: <head>
86: <title>Molecule Editor</title>
87: <script language="JavaScript">
88: function submitSmiles() {
89: jmeFile = document.applets.JME.jmeFile();
90: if (jmeFile == "") {
91: alert("Nothing to submit");
92: } else {
93: $jmesection
94: $smilesection
95: window.close();
96: }
97: }
98: function openHelpWindow() {
99: window.open("/adm/jme/jme_help.html","","scrollbars=yes,resizable=yes,width=500,height=600");
100: }
101: </script>
102: </head>
103: <body bgcolor="#ffffff">
104: <center>
105: <applet code="JME.class" name="JME" archive="/adm/jme/JME.jar" width="440" height="390">
106: You have to enable Java and JavaScript on your machine.
107: $molecule
108: <param name="options" value="$options" />
109: </applet><br />
110: <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>
111: <form>
112: <input type="button" name="submit" value="Insert Answer" onClick = "submitSmiles();" />
113: <br />
114: <input type="button" value=" Close " onClick = "window.close()" />
115:
116: <input type="button" value=" Help " onClick = "openHelpWindow()" />
117: </form>
118: </center>
119: </body>
120: </html>
121: CHEMPAGE
122: $body=&HTML::Entities::encode($body,'<>&"');
123: $body=~s/\n/ /g;
124: my $docopen=&Apache::lonhtmlcommon::javascript_docopen();
125: my $result=<<CHEMINPUT;
126: <input type="button" value="Draw Molecule" onClick="javascript:editor=window.open('','','width=500,height=500,scrollbars=no,resizable=yes');editor.$docopen;editor.document.writeln('$body')" />
127: CHEMINPUT
128: return $result;
129: }
130:
131: sub start_organicresponse {
132: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
133: my $result;
134: my $partid = $Apache::inputtags::part;
135: my $id = &Apache::response::start_response($parstack,$safeeval);
136: if ($target eq 'meta') {
137: $result=&Apache::response::meta_package_write('organicresponse');
138: } elsif ($target eq 'web') {
139: my $molecule;
140: if (defined($Apache::lonhomework::history{"resource.$partid.$id.molecule"})) {
141: $molecule=$Apache::lonhomework::history{"resource.$partid.$id.molecule"};
142: } else {
143: $molecule=&Apache::lonxml::get_param('molecule',$parstack,
144: $safeeval);
145: }
146: my $options=&Apache::lonxml::get_param('options',$parstack,
147: $safeeval);
148: $result=&separate_jme_window("HWVAL_$id","MOLECULE_$id",$molecule,$options);
149: $result.= '<input type="hidden" name="MOLECULE_'.$id.'" value="" />';
150: } elsif ($target eq 'edit') {
151: $result .=&Apache::edit::tag_start($target,$token);
152: my $options=&Apache::lonxml::get_param('options',$parstack,
153: $safeeval);
154: if ($options !~ /multipart/) { $options.=',multipart'; }
155: $result .='<nobr>'.
156: &Apache::edit::text_arg('Starting Molecule:','molecule',
157: $token,40);
158: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,
159: $safeeval);
160: $result .=&separate_jme_window(undef,
161: &Apache::edit::html_element_name('molecule'),
162: $molecule,$options);
163: $result .='</nobr><br /><nobr>';
164: $result .=&Apache::edit::text_arg('Correct Answer:','answer',
165: $token,40);
166: $result .=&Apache::edit::hidden_arg('jmeanswer',$token);
167: my $jmeanswer=&Apache::lonxml::get_param('jmeanswer',$parstack,
168: $safeeval);
169: $result .=&separate_jme_window(
170: &Apache::edit::html_element_name('answer'),
171: &Apache::edit::html_element_name('jmeanswer'),
172: $jmeanswer,$options);
173: $result .='</nobr><br />';
174: $result .=&Apache::edit::checked_arg('Options:','options',
175: [ ['autoez','Auto E,Z stereochemistry'],
176: ['multipart','Multipart Structures'],
177: ['nostereo','No stereochemistry'],
178: ['reaction','Is a reaction'],
179: ['number','Able to number atoms'] ],
180: ,$token);
181: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
182: } elsif ($target eq 'modified') {
183: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
184: $safeeval,'molecule',
185: 'answer','jmeanswer',
186: 'options');
187: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
188: }
189: return $result;
190: }
191:
192: sub end_organicresponse {
193: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
194: my $result;
195: if ($target eq 'grade' && defined($ENV{'form.submitted'})) {
196: &Apache::response::setup_params($$tagstack[-1],$safeeval);
197: my $response = &Apache::response::getresponse();
198: if ( $response =~ /[^\s]/) {
199: my $partid = $Apache::inputtags::part;
200: my $id = $Apache::inputtags::response['-1'];
201: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
202: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
203: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
204: my $ad;
205: foreach my $answer (@answers) {
206: &Apache::lonxml::debug("submitted a $response for $answer<br \>\n");
207: if ($response eq $answer) {
208: $ad='EXACT_ANS';
209: last;
210: } else {
211: $ad='INCORRECT';
212: }
213: }
214: if ($ad && $Apache::lonhomework::type eq 'survey') {
215: $ad='SUBMITTED';
216: }
217: &Apache::response::handle_previous(\%previous,$ad);
218: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
219: $Apache::lonhomework::results{"resource.$partid.$id.molecule"}=$ENV{"form.MOLECULE_$id"};
220: }
221: } elsif ($target eq "edit") {
222: $result.= &Apache::edit::tag_end($target,$token,'');
223: } elsif ($target eq 'answer') {
224: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
225: $safeeval);
226: $result.=&Apache::response::answer_header('organicresponse');
227: foreach my $answer (@answers) {
228: $result.=&Apache::response::answer_part('organicresponse',$answer);
229: }
230: $result.=&Apache::response::answer_footer('organicresponse');
231: }
232: &Apache::response::end_response;
233: return $result;
234: }
235:
236: sub start_organicstructure {
237: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
238: my $result;
239: if ($target eq 'web') {
240: my $width=&Apache::lonxml::get_param('width',$parstack,$safeeval);
241: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,$safeeval);
242: my $options=&Apache::lonxml::get_param('options',$parstack,$safeeval);
243: my $id=&Apache::loncommon::get_cgi_id();
244: $result="<img src='/cgi-bin/convertjme.pl?$id'";
245: if ($options =~ /border/) { $result.= ' border="1"'; }
246: $result.=' />';
247: &Apache::lonnet::appenv(
248: 'cgi.'.$id.'.JME' => &Apache::lonnet::escape($molecule),
249: 'cgi.'.$id.'.PNG' => 1,
250: 'cgi.'.$id.'.WIDTH' => $width );
251: } elsif ($target eq 'tex') {
252: my $texwidth=&Apache::lonxml::get_param('texwidth',$parstack,$safeeval,undef,1);
253: if (!$texwidth) { $texwidth='90'; }
254: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,$safeeval);
255: my $options=&Apache::lonxml::get_param('options',$parstack,$safeeval);
256: my $filename = $ENV{'user.name'}.'_'.$ENV{'user.domain'}.
257: '_'.time.'_'.$$.int(rand(1000)).'_organicstructure';
258: my $id=$filename;
259: &Apache::lonnet::appenv(
260: 'cgi.'.$id.'.JME' => &Apache::lonnet::escape($molecule),
261: 'cgi.'.$id.'.PS' => 1,
262: 'cgi.'.$id.'.WIDTH' => $texwidth );
263: $id=&Apache::lonnet::escape($id);
264: &Apache::lonxml::register_ssi("/cgi-bin/convertjme.pl?$id");
265: if ($options =~ /border/) { $result.= '\fbox{'; }
266: $result .= '\graphicspath{{/home/httpd/perl/tmp/}}\includegraphics[width='.$texwidth.' mm]{'.$filename.'.eps}';
267: if ($options =~ /border/) { $result.= '} '; }
268: } elsif ($target eq 'edit') {
269: $result .=&Apache::edit::tag_start($target,$token);
270: $result .=&Apache::edit::text_arg('Width (pixels):','width',$token,5);
271: $result .=&Apache::edit::text_arg('TeXwidth (mm):','texwidth',$token,5);
272: $result .='<nobr>';
273: $result .=&Apache::edit::text_arg('Molecule:','molecule',$token,40);
274: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,
275: $safeeval);
276: my $options=&Apache::lonxml::get_param('options',$parstack,
277: $safeeval);
278: if ($options !~ /reaction/) {
279: $options.= ',multipart,number';
280: }
281:
282: $result .=&separate_jme_window(undef,
283: &Apache::edit::html_element_name('molecule'),
284: $molecule,$options);
285: $result.="</nobr><br />";
286: $result .=&Apache::edit::checked_arg('Options:','options',
287: [ ['reaction','Is a reaction'],
288: ['border','Draw a border'] ],
289: $token);
290: $result .=&Apache::edit::end_row();
291: } elsif ($target eq 'modified') {
292: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
293: $safeeval,'molecule',
294: 'width','texwidth',
295: 'options');
296: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
297: }
298: return $result;
299: }
300:
301: sub end_organicstructure {
302: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
303: my $result;
304: if ($target eq "edit") {
305: $result.= &Apache::edit::tag_end($target,$token,'');
306: }
307: return $result;
308: }
309:
310: sub edit_reaction_button {
311: my ($id,$field,$reaction)=@_;
312: my $id_es=&Apache::lonnet::escape($id);
313: my $field_es=&Apache::lonnet::escape($field);
314: my $reaction_es=&Apache::lonnet::escape($reaction);
315: my $docopen=&Apache::lonhtmlcommon::javascript_docopen();
316: my $result=<<EDITREACTION;
317: <script type="text/javascript">
318: function create_reaction_window_${id}_${field} () {
319: editor=window.open('','','width=500,height=270,scrollbars=no,resizable=yes');
320: editor.$docopen;
321: 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=$field_es" name="editor" scrolling="no" /> </frameset> </html>');
322: }
323: </script>
324: <input type='button' value='Edit Answer' onClick="javascript:create_reaction_window_${id}_${field}();void(0);" />
325: EDITREACTION
326: return $result;
327: }
328:
329: sub start_reactionresponse {
330: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
331: my $result;
332: my $id = &Apache::response::start_response($parstack,$safeeval);
333: if ($target eq 'meta') {
334: $result=&Apache::response::meta_package_write('reactionresponse');
335: } elsif ($target eq 'web') {
336: my $partid = $Apache::inputtags::part;
337: my $id = $Apache::inputtags::response['-1'];
338: my $reaction=$Apache::lonhomework::history{"resource.$partid.$id.submission"};
339: if ($reaction eq '') { $reaction=&Apache::lonxml::get_param('initial',$parstack,$safeeval); }
340: my $status=$Apache::inputtags::status['-1'];
341: if ($status eq 'CAN_ANSWER') {
342: $result.=&edit_reaction_button($id,"HWVAL_$id",$reaction);
343: }
344: if ( &Apache::response::show_answer() ) {
345: my $ans=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
346: $ans=~s/(\\|\')/\\$1/g;
347: $Apache::inputtags::answertxt{$id}=&Apache::run::run("return &chemparse('$ans');",$safeeval);
348: }
349: } elsif ($target eq "edit") {
350: $result .=&Apache::edit::tag_start($target,$token);
351: my $answer=&Apache::lonxml::get_param('answer',$parstack,
352: $safeeval);
353: $result .='<nobr>'.
354: &Apache::edit::text_arg('Answer:','answer',$token,40);
355: $result .=&edit_reaction_button($id,&Apache::edit::html_element_name('answer'),$answer).'</nobr>';
356: my $initial=&Apache::lonxml::get_param('initial',$parstack,$safeeval);
357: $result.='<nobr>'.
358: &Apache::edit::text_arg('Initial Reation:','initial',$token,40);
359: $result .=&edit_reaction_button($id,&Apache::edit::html_element_name('initial'),$initial).'</nobr>';
360:
361: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
362: } elsif ($target eq 'modified') {
363: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
364: $safeeval,'answer',
365: 'initial');
366: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
367: }
368: return $result;
369: }
370:
371: sub end_reactionresponse {
372: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
373: my $result;
374: if ($target eq 'grade' && defined($ENV{'form.submitted'})) {
375: &Apache::response::setup_params($$tagstack[-1],$safeeval);
376: my $response = &Apache::response::getresponse();
377: if ( $response =~ /[^\s]/) {
378: my $partid = $Apache::inputtags::part;
379: my $id = $Apache::inputtags::response['-1'];
380: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
381: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
382: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
383: my $ad;
384: foreach my $answer (@answers) {
385: &Apache::lonxml::debug("submitted a $response for $answer<br \>\n");
386: if (&chem_standard_order($response) eq
387: &chem_standard_order($answer)) {
388: $ad='EXACT_ANS';
389: } else {
390: $ad='INCORRECT';
391: }
392: }
393: if ($ad && $Apache::lonhomework::type eq 'survey') {
394: $ad='SUBMITTED';
395: }
396: &Apache::response::handle_previous(\%previous,$ad);
397: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
398: }
399: } elsif ($target eq "edit") {
400: $result.= &Apache::edit::tag_end($target,$token,'');
401: } elsif ($target eq 'answer') {
402: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
403: $safeeval);
404: $result.=&Apache::response::answer_header('reactionresponse');
405: foreach my $answer (@answers) {
406: $result.=&Apache::response::answer_part('reactionresponse',
407: $answer);
408: }
409: $result.=&Apache::response::answer_footer('reactionresponse');
410: }
411: &Apache::response::end_response;
412: return $result;
413: }
414:
415: 1;
416: __END__
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to chemresponse.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / homework