Annotation of loncom/homework/chemresponse.pm, revision 1.41
1.1 albertel 1: # The LearningOnline Network with CAPA
2: # chemical equation style response
3: #
1.41 ! www 4: # $Id: chemresponse.pm,v 1.40 2004/09/28 20:32:00 www 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 {
1.6 albertel 35: &Apache::lonxml::register('Apache::chemresponse',('organicresponse','organicstructure','reactionresponse'));
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>
87: <script language="JavaScript">
88: function submitSmiles() {
1.21 albertel 89: jmeFile = document.applets.JME.jmeFile();
90: if (jmeFile == "") {
1.1 albertel 91: alert("Nothing to submit");
92: } else {
1.21 albertel 93: $jmesection
1.2 albertel 94: $smilesection
1.1 albertel 95: window.close();
96: }
97: }
98: function openHelpWindow() {
1.2 albertel 99: window.open("/adm/jme/jme_help.html","","scrollbars=yes,resizable=yes,width=500,height=600");
1.1 albertel 100: }
101: </script>
102: </head>
103: <body bgcolor="#ffffff">
104: <center>
1.27 albertel 105: <applet code="JME.class" name="JME" archive="/adm/jme/JME.jar" width="440" height="390">
1.1 albertel 106: You have to enable Java and JavaScript on your machine.
1.12 albertel 107: $molecule
1.6 albertel 108: <param name="options" value="$options" />
1.1 albertel 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
1.32 albertel 122: $body=&HTML::Entities::encode($body,'<>&"');
1.1 albertel 123: $body=~s/\n/ /g;
1.41 ! www 124: my $docopen=&Apache::lonhtmlcommon::javascript_docopen();
1.1 albertel 125: my $result=<<CHEMINPUT;
1.41 ! www 126: <input type="button" value="Draw Molecule" onClick="javascript:editor=window.open('','','width=500,height=500,scrollbars=no,resizable=yes');editor.$docopen;editor.document.writeln('$body')" />
1.1 albertel 127: CHEMINPUT
128: return $result;
129: }
130:
1.6 albertel 131: sub start_organicresponse {
1.1 albertel 132: my ($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') {
1.28 albertel 137: $result=&Apache::response::meta_package_write('organicresponse');
1.1 albertel 138: } elsif ($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: }
1.15 albertel 146: my $options=&Apache::lonxml::get_param('options',$parstack,
147: $safeeval);
1.30 www 148: $result=&separate_jme_window("HWVAL_$id","MOLECULE_$id",$molecule,$options);
1.1 albertel 149: $result.= '<input type="hidden" name="MOLECULE_'.$id.'" value="" />';
1.2 albertel 150: } elsif ($target eq 'edit') {
151: $result .=&Apache::edit::tag_start($target,$token);
1.12 albertel 152: my $options=&Apache::lonxml::get_param('options',$parstack,
153: $safeeval);
154: if ($options !~ /multipart/) { $options.=',multipart'; }
1.7 albertel 155: $result .='<nobr>'.
156: &Apache::edit::text_arg('Starting Molecule:','molecule',
157: $token,40);
1.2 albertel 158: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,
159: $safeeval);
1.30 www 160: $result .=&separate_jme_window(undef,
1.2 albertel 161: &Apache::edit::html_element_name('molecule'),
1.12 albertel 162: $molecule,$options);
1.7 albertel 163: $result .='</nobr><br /><nobr>';
1.2 albertel 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);
1.30 www 169: $result .=&separate_jme_window(
1.2 albertel 170: &Apache::edit::html_element_name('answer'),
171: &Apache::edit::html_element_name('jmeanswer'),
1.12 albertel 172: $jmeanswer,$options);
173: $result .='</nobr><br />';
174: $result .=&Apache::edit::checked_arg('Options:','options',
1.29 www 175: [ ['autoez','Auto E,Z stereochemistry'],
1.18 albertel 176: ['multipart','Multipart Structures'],
1.12 albertel 177: ['nostereo','No stereochemistry'],
178: ['reaction','Is a reaction'],
1.18 albertel 179: ['number','Able to number atoms'] ],
1.12 albertel 180: ,$token);
1.2 albertel 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: $safeeval,'molecule',
1.6 albertel 185: 'answer','jmeanswer',
1.12 albertel 186: 'options');
1.2 albertel 187: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.1 albertel 188: }
189: return $result;
190: }
191:
1.6 albertel 192: sub end_organicresponse {
1.1 albertel 193: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
194: my $result;
195: if ($target eq 'grade' && defined($ENV{'form.submitted'})) {
1.31 albertel 196: &Apache::response::setup_params($$tagstack[-1],$safeeval);
1.1 albertel 197: my $response = &Apache::response::getresponse();
198: if ( $response =~ /[^\s]/) {
199: my $partid = $Apache::inputtags::part;
200: my $id = $Apache::inputtags::response['-1'];
1.13 albertel 201: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
1.1 albertel 202: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
203: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
204: my $ad;
1.13 albertel 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: }
1.1 albertel 213: }
214: &Apache::response::handle_previous(\%previous,$ad);
215: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
216: $Apache::lonhomework::results{"resource.$partid.$id.molecule"}=$ENV{"form.MOLECULE_$id"};
217: }
1.2 albertel 218: } elsif ($target eq "edit") {
219: $result.= &Apache::edit::tag_end($target,$token,'');
1.15 albertel 220: } elsif ($target eq 'answer') {
221: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
222: $safeeval);
223: $result.=&Apache::response::answer_header('organicresponse');
224: foreach my $answer (@answers) {
225: $result.=&Apache::response::answer_part('organicresponse',$answer);
226: }
227: $result.=&Apache::response::answer_footer('organicresponse');
1.1 albertel 228: }
229: &Apache::response::end_response;
230: return $result;
231: }
232:
1.6 albertel 233: sub start_organicstructure {
1.3 albertel 234: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
235: my $result;
236: if ($target eq 'web') {
237: my $width=&Apache::lonxml::get_param('width',$parstack,$safeeval);
238: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,$safeeval);
1.12 albertel 239: my $options=&Apache::lonxml::get_param('options',$parstack,$safeeval);
1.23 albertel 240: my $id=&Apache::loncommon::get_cgi_id();
1.19 albertel 241: $result="<img src='/cgi-bin/convertjme.pl?$id'";
242: if ($options =~ /border/) { $result.= ' border="1"'; }
243: $result.=' />';
1.16 albertel 244: &Apache::lonnet::appenv(
245: 'cgi.'.$id.'.JME' => &Apache::lonnet::escape($molecule),
1.17 albertel 246: 'cgi.'.$id.'.PNG' => 1,
1.16 albertel 247: 'cgi.'.$id.'.WIDTH' => $width );
1.17 albertel 248: } elsif ($target eq 'tex') {
1.38 albertel 249: my $texwidth=&Apache::lonxml::get_param('texwidth',$parstack,$safeeval,undef,1);
1.17 albertel 250: if (!$texwidth) { $texwidth='90'; }
251: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,$safeeval);
252: my $options=&Apache::lonxml::get_param('options',$parstack,$safeeval);
253: my $filename = $ENV{'user.name'}.'_'.$ENV{'user.domain'}.
254: '_'.time.'_'.$$.int(rand(1000)).'_organicstructure';
255: my $id=$filename;
256: &Apache::lonnet::appenv(
257: 'cgi.'.$id.'.JME' => &Apache::lonnet::escape($molecule),
258: 'cgi.'.$id.'.PS' => 1,
259: 'cgi.'.$id.'.WIDTH' => $texwidth );
260: $id=&Apache::lonnet::escape($id);
261: &Apache::lonxml::register_ssi("/cgi-bin/convertjme.pl?$id");
1.20 albertel 262: if ($options =~ /border/) { $result.= '\fbox{'; }
263: $result .= '\graphicspath{{/home/httpd/perl/tmp/}}\includegraphics[width='.$texwidth.' mm]{'.$filename.'.eps}';
264: if ($options =~ /border/) { $result.= '} '; }
1.3 albertel 265: } elsif ($target eq 'edit') {
266: $result .=&Apache::edit::tag_start($target,$token);
1.22 albertel 267: $result .=&Apache::edit::text_arg('Width (pixels):','width',$token,5);
268: $result .=&Apache::edit::text_arg('TeXwidth (mm):','texwidth',$token,5);
1.12 albertel 269: $result .='<nobr>';
1.3 albertel 270: $result .=&Apache::edit::text_arg('Molecule:','molecule',$token,40);
271: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,
272: $safeeval);
1.12 albertel 273: my $options=&Apache::lonxml::get_param('options',$parstack,
274: $safeeval);
275: if ($options !~ /reaction/) {
276: $options.= ',multipart,number';
277: }
278:
1.30 www 279: $result .=&separate_jme_window(undef,
1.12 albertel 280: &Apache::edit::html_element_name('molecule'),
281: $molecule,$options);
282: $result.="</nobr><br />";
283: $result .=&Apache::edit::checked_arg('Options:','options',
1.18 albertel 284: [ ['reaction','Is a reaction'],
1.12 albertel 285: ['border','Draw a border'] ],
286: $token);
1.24 albertel 287: $result .=&Apache::edit::end_row();
1.3 albertel 288: } elsif ($target eq 'modified') {
289: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
290: $safeeval,'molecule',
1.22 albertel 291: 'width','texwidth',
292: 'options');
1.3 albertel 293: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
294: }
295: return $result;
1.1 albertel 296: }
297:
1.6 albertel 298: sub end_organicstructure {
1.3 albertel 299: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
300: my $result;
301: if ($target eq "edit") {
302: $result.= &Apache::edit::tag_end($target,$token,'');
303: }
1.4 albertel 304: return $result;
305: }
306:
1.9 albertel 307: sub edit_reaction_button {
1.11 albertel 308: my ($id,$field,$reaction)=@_;
1.10 albertel 309: my $id_es=&Apache::lonnet::escape($id);
310: my $field_es=&Apache::lonnet::escape($field);
1.11 albertel 311: my $reaction_es=&Apache::lonnet::escape($reaction);
1.41 ! www 312: my $docopen=&Apache::lonhtmlcommon::javascript_docopen();
1.9 albertel 313: my $result=<<EDITREACTION;
1.10 albertel 314: <script type="text/javascript">
315: function create_reaction_window_${id}_${field} () {
316: editor=window.open('','','width=500,height=270,scrollbars=no,resizable=yes');
1.41 ! www 317: editor.$docopen;
1.37 albertel 318: 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=$field_es" name="editor" scrolling="no" /> </frameset> </html>');
1.10 albertel 319: }
320: </script>
1.36 albertel 321: <input type='button' value='Edit Answer' onClick="javascript:create_reaction_window_${id}_${field}();void(0);" />
1.9 albertel 322: EDITREACTION
323: return $result;
324: }
325:
1.4 albertel 326: sub start_reactionresponse {
327: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
328: my $result;
329: my $id = &Apache::response::start_response($parstack,$safeeval);
1.10 albertel 330: if ($target eq 'meta') {
1.28 albertel 331: $result=&Apache::response::meta_package_write('reactionresponse');
1.10 albertel 332: } elsif ($target eq 'web') {
1.11 albertel 333: my $partid = $Apache::inputtags::part;
334: my $id = $Apache::inputtags::response['-1'];
335: my $reaction=$Apache::lonhomework::history{"resource.$partid.$id.submission"};
1.35 albertel 336: if ($reaction eq '') { $reaction=&Apache::lonxml::get_param('initial',$parstack,$safeeval); }
1.33 albertel 337: my $status=$Apache::inputtags::status['-1'];
338: if ($status eq 'CAN_ANSWER') {
339: $result.=&edit_reaction_button($id,"HWVAL_$id",$reaction);
340: }
341: if ( &Apache::response::show_answer() ) {
342: my $ans=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
343: $ans=~s/(\\|\')/\\$1/g;
344: $Apache::inputtags::answertxt{$id}=&Apache::run::run("return &chemparse('$ans');",$safeeval);
345: }
1.4 albertel 346: } elsif ($target eq "edit") {
1.9 albertel 347: $result .=&Apache::edit::tag_start($target,$token);
348: my $answer=&Apache::lonxml::get_param('answer',$parstack,
349: $safeeval);
1.10 albertel 350: $result .='<nobr>'.
351: &Apache::edit::text_arg('Answer:','answer',$token,40);
352: $result .=&edit_reaction_button($id,&Apache::edit::html_element_name('answer'),$answer).'</nobr>';
1.35 albertel 353: my $initial=&Apache::lonxml::get_param('initial',$parstack,$safeeval);
354: $result.='<nobr>'.
355: &Apache::edit::text_arg('Initial Reation:','initial',$token,40);
356: $result .=&edit_reaction_button($id,&Apache::edit::html_element_name('initial'),$initial).'</nobr>';
1.10 albertel 357:
1.9 albertel 358: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
1.10 albertel 359: } elsif ($target eq 'modified') {
360: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
1.35 albertel 361: $safeeval,'answer',
362: 'initial');
1.10 albertel 363: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.4 albertel 364: }
365: return $result;
366: }
367:
368: sub end_reactionresponse {
369: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
370: my $result;
1.10 albertel 371: if ($target eq 'grade' && defined($ENV{'form.submitted'})) {
1.31 albertel 372: &Apache::response::setup_params($$tagstack[-1],$safeeval);
1.10 albertel 373: my $response = &Apache::response::getresponse();
374: if ( $response =~ /[^\s]/) {
375: my $partid = $Apache::inputtags::part;
376: my $id = $Apache::inputtags::response['-1'];
1.15 albertel 377: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
1.10 albertel 378: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
379: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
380: my $ad;
1.13 albertel 381: foreach my $answer (@answers) {
382: &Apache::lonxml::debug("submitted a $response for $answer<br \>\n");
1.34 albertel 383: if (&chem_standard_order($response) eq
384: &chem_standard_order($answer)) {
1.13 albertel 385: $ad='EXACT_ANS';
386: } else {
387: $ad='INCORRECT';
388: }
1.10 albertel 389: }
390: &Apache::response::handle_previous(\%previous,$ad);
391: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
392: }
393: } elsif ($target eq "edit") {
1.4 albertel 394: $result.= &Apache::edit::tag_end($target,$token,'');
1.15 albertel 395: } elsif ($target eq 'answer') {
396: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
397: $safeeval);
398: $result.=&Apache::response::answer_header('reactionresponse');
399: foreach my $answer (@answers) {
400: $result.=&Apache::response::answer_part('reactionresponse',
401: $answer);
402: }
403: $result.=&Apache::response::answer_footer('reactionresponse');
1.4 albertel 404: }
405: &Apache::response::end_response;
1.3 albertel 406: return $result;
1.1 albertel 407: }
408:
409: 1;
410: __END__
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