1: # The LearningOnline Network with CAPA
2: # chemical equation style response
3: #
4: # $Id: chemresponse.pm,v 1.32 2004/03/31 05:23:59 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 separate_jme_window {
39: my ($smile_input,$jme_input,$molecule,$options)=@_;
40: my $smilesection;
41: if (defined($smile_input)) {
42: $smilesection=<<SMILESECTION;
43: smiles = document.applets.JME.smiles();
44: opener.document.lonhomework.$smile_input.value = smiles;
45: SMILESECTION
46: }
47: my $jmesection;
48: if (defined($jme_input)) {
49: $jmesection=<<JMESECTION;
50: jmeFile = document.applets.JME.jmeFile();
51: opener.document.lonhomework.$jme_input.value = jmeFile;
52: JMESECTION
53: }
54:
55: if ($molecule) { $molecule='<param name="jme" value="'.$molecule.'" />'; }
56: my $body=<<CHEMPAGE;
57: <html>
58: <head>
59: <title>Molecule Editor</title>
60: <script language="JavaScript">
61: function submitSmiles() {
62: jmeFile = document.applets.JME.jmeFile();
63: if (jmeFile == "") {
64: alert("Nothing to submit");
65: } else {
66: $jmesection
67: $smilesection
68: window.close();
69: }
70: }
71: function openHelpWindow() {
72: window.open("/adm/jme/jme_help.html","","scrollbars=yes,resizable=yes,width=500,height=600");
73: }
74: </script>
75: </head>
76: <body bgcolor="#ffffff">
77: <center>
78: <applet code="JME.class" name="JME" archive="/adm/jme/JME.jar" width="440" height="390">
79: You have to enable Java and JavaScript on your machine.
80: $molecule
81: <param name="options" value="$options" />
82: </applet><br />
83: <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>
84: <form>
85: <input type="button" name="submit" value="Insert Answer" onClick = "submitSmiles();" />
86: <br />
87: <input type="button" value=" Close " onClick = "window.close()" />
88:
89: <input type="button" value=" Help " onClick = "openHelpWindow()" />
90: </form>
91: </center>
92: </body>
93: </html>
94: CHEMPAGE
95: $body=&HTML::Entities::encode($body,'<>&"');
96: $body=~s/\n/ /g;
97: my $result=<<CHEMINPUT;
98: <input type="button" value="Draw Molecule" onClick="javascript:editor=window.open('','','width=500,height=500,scrollbars=no,resizable=yes');editor.document.open('text/html','replace');editor.document.writeln('$body')" />
99: CHEMINPUT
100: return $result;
101: }
102:
103: sub start_organicresponse {
104: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
105: my $result;
106: my $partid = $Apache::inputtags::part;
107: my $id = &Apache::response::start_response($parstack,$safeeval);
108: if ($target eq 'meta') {
109: $result=&Apache::response::meta_package_write('organicresponse');
110: } elsif ($target eq 'web') {
111: my $molecule;
112: if (defined($Apache::lonhomework::history{"resource.$partid.$id.molecule"})) {
113: $molecule=$Apache::lonhomework::history{"resource.$partid.$id.molecule"};
114: } else {
115: $molecule=&Apache::lonxml::get_param('molecule',$parstack,
116: $safeeval);
117: }
118: my $options=&Apache::lonxml::get_param('options',$parstack,
119: $safeeval);
120: $result=&separate_jme_window("HWVAL_$id","MOLECULE_$id",$molecule,$options);
121: $result.= '<input type="hidden" name="MOLECULE_'.$id.'" value="" />';
122: } elsif ($target eq 'edit') {
123: $result .=&Apache::edit::tag_start($target,$token);
124: my $options=&Apache::lonxml::get_param('options',$parstack,
125: $safeeval);
126: if ($options !~ /multipart/) { $options.=',multipart'; }
127: $result .='<nobr>'.
128: &Apache::edit::text_arg('Starting Molecule:','molecule',
129: $token,40);
130: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,
131: $safeeval);
132: $result .=&separate_jme_window(undef,
133: &Apache::edit::html_element_name('molecule'),
134: $molecule,$options);
135: $result .='</nobr><br /><nobr>';
136: $result .=&Apache::edit::text_arg('Correct Answer:','answer',
137: $token,40);
138: $result .=&Apache::edit::hidden_arg('jmeanswer',$token);
139: my $jmeanswer=&Apache::lonxml::get_param('jmeanswer',$parstack,
140: $safeeval);
141: $result .=&separate_jme_window(
142: &Apache::edit::html_element_name('answer'),
143: &Apache::edit::html_element_name('jmeanswer'),
144: $jmeanswer,$options);
145: $result .='</nobr><br />';
146: $result .=&Apache::edit::checked_arg('Options:','options',
147: [ ['autoez','Auto E,Z stereochemistry'],
148: ['multipart','Multipart Structures'],
149: ['nostereo','No stereochemistry'],
150: ['reaction','Is a reaction'],
151: ['number','Able to number atoms'] ],
152: ,$token);
153: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
154: } elsif ($target eq 'modified') {
155: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
156: $safeeval,'molecule',
157: 'answer','jmeanswer',
158: 'options');
159: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
160: }
161: return $result;
162: }
163:
164: sub end_organicresponse {
165: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
166: my $result;
167: if ($target eq 'grade' && defined($ENV{'form.submitted'})) {
168: &Apache::response::setup_params($$tagstack[-1],$safeeval);
169: my $response = &Apache::response::getresponse();
170: if ( $response =~ /[^\s]/) {
171: my $partid = $Apache::inputtags::part;
172: my $id = $Apache::inputtags::response['-1'];
173: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
174: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
175: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
176: my $ad;
177: foreach my $answer (@answers) {
178: &Apache::lonxml::debug("submitted a $response for $answer<br \>\n");
179: if ($response eq $answer) {
180: $ad='EXACT_ANS';
181: last;
182: } else {
183: $ad='INCORRECT';
184: }
185: }
186: &Apache::response::handle_previous(\%previous,$ad);
187: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
188: $Apache::lonhomework::results{"resource.$partid.$id.molecule"}=$ENV{"form.MOLECULE_$id"};
189: }
190: } elsif ($target eq "edit") {
191: $result.= &Apache::edit::tag_end($target,$token,'');
192: } elsif ($target eq 'answer') {
193: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
194: $safeeval);
195: $result.=&Apache::response::answer_header('organicresponse');
196: foreach my $answer (@answers) {
197: $result.=&Apache::response::answer_part('organicresponse',$answer);
198: }
199: $result.=&Apache::response::answer_footer('organicresponse');
200: }
201: &Apache::response::end_response;
202: return $result;
203: }
204:
205: sub start_organicstructure {
206: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
207: my $result;
208: if ($target eq 'web') {
209: my $width=&Apache::lonxml::get_param('width',$parstack,$safeeval);
210: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,$safeeval);
211: my $options=&Apache::lonxml::get_param('options',$parstack,$safeeval);
212: my $id=&Apache::loncommon::get_cgi_id();
213: $result="<img src='/cgi-bin/convertjme.pl?$id'";
214: if ($options =~ /border/) { $result.= ' border="1"'; }
215: $result.=' />';
216: &Apache::lonnet::appenv(
217: 'cgi.'.$id.'.JME' => &Apache::lonnet::escape($molecule),
218: 'cgi.'.$id.'.PNG' => 1,
219: 'cgi.'.$id.'.WIDTH' => $width );
220: } elsif ($target eq 'tex') {
221: my $texwidth=&Apache::lonxml::get_param('texwidth',$parstack,$safeeval,1);
222: if (!$texwidth) { $texwidth='90'; }
223: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,$safeeval);
224: my $options=&Apache::lonxml::get_param('options',$parstack,$safeeval);
225: my $filename = $ENV{'user.name'}.'_'.$ENV{'user.domain'}.
226: '_'.time.'_'.$$.int(rand(1000)).'_organicstructure';
227: my $id=$filename;
228: &Apache::lonnet::appenv(
229: 'cgi.'.$id.'.JME' => &Apache::lonnet::escape($molecule),
230: 'cgi.'.$id.'.PS' => 1,
231: 'cgi.'.$id.'.WIDTH' => $texwidth );
232: $id=&Apache::lonnet::escape($id);
233: &Apache::lonxml::register_ssi("/cgi-bin/convertjme.pl?$id");
234: if ($options =~ /border/) { $result.= '\fbox{'; }
235: $result .= '\graphicspath{{/home/httpd/perl/tmp/}}\includegraphics[width='.$texwidth.' mm]{'.$filename.'.eps}';
236: if ($options =~ /border/) { $result.= '} '; }
237: } elsif ($target eq 'edit') {
238: $result .=&Apache::edit::tag_start($target,$token);
239: $result .=&Apache::edit::text_arg('Width (pixels):','width',$token,5);
240: $result .=&Apache::edit::text_arg('TeXwidth (mm):','texwidth',$token,5);
241: $result .='<nobr>';
242: $result .=&Apache::edit::text_arg('Molecule:','molecule',$token,40);
243: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,
244: $safeeval);
245: my $options=&Apache::lonxml::get_param('options',$parstack,
246: $safeeval);
247: if ($options !~ /reaction/) {
248: $options.= ',multipart,number';
249: }
250:
251: $result .=&separate_jme_window(undef,
252: &Apache::edit::html_element_name('molecule'),
253: $molecule,$options);
254: $result.="</nobr><br />";
255: $result .=&Apache::edit::checked_arg('Options:','options',
256: [ ['reaction','Is a reaction'],
257: ['border','Draw a border'] ],
258: $token);
259: $result .=&Apache::edit::end_row();
260: } elsif ($target eq 'modified') {
261: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
262: $safeeval,'molecule',
263: 'width','texwidth',
264: 'options');
265: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
266: }
267: return $result;
268: }
269:
270: sub end_organicstructure {
271: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
272: my $result;
273: if ($target eq "edit") {
274: $result.= &Apache::edit::tag_end($target,$token,'');
275: }
276: return $result;
277: }
278:
279: sub edit_reaction_button {
280: my ($id,$field,$reaction)=@_;
281: my $id_es=&Apache::lonnet::escape($id);
282: my $field_es=&Apache::lonnet::escape($field);
283: my $reaction_es=&Apache::lonnet::escape($reaction);
284: my $result=<<EDITREACTION;
285: <script type="text/javascript">
286: function create_reaction_window_${id}_${field} () {
287: editor=window.open('','','width=500,height=270,scrollbars=no,resizable=yes');
288: editor.document.open('text/html','replace');
289: editor.document.writeln('<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"><html> <head><title>LON-CAPA Reaction Editor</title></head><frameset rows="30%,*" border="0"> <frame src="/res/adm/pages/reactionresponse/reaction_viewer.html" name="viewer" scrolling="no" /> <frame src="/res/adm/pages/reactionresponse/reaction_editor.html?reaction=$reaction_es&id=$id_es&field=$field_es" name="editor" scrolling="no" /> </frameset> </html>');
290: }
291: </script>
292: <input type='button' value='Edit Reaction' onClick="javascript:create_reaction_window_${id}_${field}();void(0);" />
293: EDITREACTION
294: return $result;
295: }
296:
297: sub start_reactionresponse {
298: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
299: my $result;
300: my $id = &Apache::response::start_response($parstack,$safeeval);
301: if ($target eq 'meta') {
302: $result=&Apache::response::meta_package_write('reactionresponse');
303: } elsif ($target eq 'web') {
304: my $partid = $Apache::inputtags::part;
305: my $id = $Apache::inputtags::response['-1'];
306: my $reaction=$Apache::lonhomework::history{"resource.$partid.$id.submission"};
307: $result.=&edit_reaction_button($id,"HWVAL_$id",$reaction);
308: } elsif ($target eq "edit") {
309: $result .=&Apache::edit::tag_start($target,$token);
310: my $answer=&Apache::lonxml::get_param('answer',$parstack,
311: $safeeval);
312: $result .='<nobr>'.
313: &Apache::edit::text_arg('Answer:','answer',$token,40);
314: $result .=&edit_reaction_button($id,&Apache::edit::html_element_name('answer'),$answer).'</nobr>';
315:
316: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
317: } elsif ($target eq 'modified') {
318: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
319: $safeeval,'answer');
320: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
321: }
322: return $result;
323: }
324:
325: sub end_reactionresponse {
326: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
327: my $result;
328: if ($target eq 'grade' && defined($ENV{'form.submitted'})) {
329: &Apache::response::setup_params($$tagstack[-1],$safeeval);
330: my $response = &Apache::response::getresponse();
331: if ( $response =~ /[^\s]/) {
332: my $partid = $Apache::inputtags::part;
333: my $id = $Apache::inputtags::response['-1'];
334: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
335: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
336: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
337: my $ad;
338: foreach my $answer (@answers) {
339: &Apache::lonxml::debug("submitted a $response for $answer<br \>\n");
340: if ($response eq $answer) {
341: $ad='EXACT_ANS';
342: } else {
343: $ad='INCORRECT';
344: }
345: }
346: &Apache::response::handle_previous(\%previous,$ad);
347: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
348: }
349: } elsif ($target eq "edit") {
350: $result.= &Apache::edit::tag_end($target,$token,'');
351: } elsif ($target eq 'answer') {
352: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
353: $safeeval);
354: $result.=&Apache::response::answer_header('reactionresponse');
355: foreach my $answer (@answers) {
356: $result.=&Apache::response::answer_part('reactionresponse',
357: $answer);
358: }
359: $result.=&Apache::response::answer_footer('reactionresponse');
360: }
361: &Apache::response::end_response;
362: return $result;
363: }
364:
365: 1;
366: __END__
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