1: # The LearningOnline Network with CAPA
2: # chemical equation style response
3: #
4: # $Id: chemresponse.pm,v 1.95 2015/03/07 23:04:08 raeburn 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: use lib '/home/httpd/lib/perl/';
35: use LONCAPA;
36:
37:
38: BEGIN {
39: &Apache::lonxml::register('Apache::chemresponse',('organicresponse','organicstructure','reactionresponse','chem'));
40: }
41:
42: sub chem_standard_order {
43: my ($reaction) = @_;
44: my ($re,$pr) = split(/->|<=>/,$reaction);
45: my @reactants = split(/\s\+/,$re);
46: my @products = split(/\s\+/,$pr);
47: foreach my $substance (@reactants,@products) {
48: $substance =~ s/(\^\d*)\s+/$1_/g; # protect superscript space
49: $substance =~ s/\s*//g; # strip whitespace
50: $substance =~ s/_/ /g; # restore superscript space
51: }
52: @reactants = sort @reactants;
53: @products = sort @products;
54: my $standard = '';
55: foreach my $substance (@reactants) {
56: $standard .= $substance;
57: $standard .= ' + ';
58: }
59: $standard =~ s/ \+ $//; # get rid of trailing plus sign
60: $standard .= ' -> ';
61: foreach my $substance (@products) {
62: $standard .= $substance;
63: $standard .= ' + ';
64: }
65: $standard =~ s/ \+ $//; # get rid of trailing plus sign
66: return $standard;
67: }
68:
69: sub separate_jme_window {
70: my ($smile_input,$jme_input,$molecule,$options,$shown_text)=@_;
71: my $usejsme = 1;
72: if (($env{'request.course.id'}) && ($env{'request.state'} ne 'construct')) {
73: if (exists($env{'course.'.$env{'request.course.id'}.'.usejsme'})) {
74: if ($env{'course.'.$env{'request.course.id'}.'.usejsme'} eq '0') {
75: $usejsme = 0;
76: }
77: } else {
78: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
79: if ($domdefs{'usejsme'} eq '0') {
80: $usejsme = 0;
81: }
82: }
83: } else {
84: my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
85: if ($domdefs{'usejsme'} eq '0') {
86: $usejsme = 0;
87: }
88: }
89: if ($usejsme) {
90: if ($env{'browser.type'} eq 'mozilla') {
91: if ($env{'browser.version'} < 4) {
92: $usejsme = 0;
93: }
94: }
95: } else {
96: if ($env{'browser.mobile'}) {
97: $usejsme = 1;
98: }
99: }
100: my $linkstyle = 'display:none';
101: my $creditstyle = 'display:inline';
102: if ($env{'browser.type'} eq 'explorer') {
103: if (($env{'browser.os'} eq 'win') && ($env{'browser.version'} < 9)) {
104: $linkstyle = 'display:inline';
105: $creditstyle = 'display:none';
106: }
107: }
108: my $smilesection;
109: if (defined($smile_input)) {
110: my $smiles;
111: if ($usejsme) {
112: $smiles = 'document.JME.smiles()';
113: } else {
114: $smiles = 'document.applets.JME.smiles()';
115: }
116: $smilesection=<<SMILESECTION;
117: opener.document.lonhomework.$smile_input.value = $smiles;
118: SMILESECTION
119: }
120: my $jmesection;
121: my $jmefile;
122: if (defined($jme_input)) {
123: if ($usejsme) {
124: $jmefile = 'document.JME.jmeFile()';
125: } else {
126: $jmefile = 'document.applets.JME.jmeFile()';
127: }
128: $jmesection=<<JMESECTION;
129: opener.document.lonhomework.$jme_input.value = $jmefile;
130: JMESECTION
131: }
132:
133: if ($molecule) {
134: if ($usejsme) {
135: $molecule = 'document.JME.readMolecule("'.$molecule.'")';
136: } else {
137: $molecule='<param name="jme" value="'.$molecule.'" />';
138: }
139: }
140: my $insert_answer;
141: if ($shown_text eq '') {
142: $insert_answer=
143: '<input type="button" name="submit" value="'.&mt('Insert Answer').'" onclick="javascript:submitSmiles();" /><br />';
144: }
145:
146:
147:
148: my ($jsme_js,$js,$buttonstyle,$viewportjs,$resizejs);
149: if ($usejsme) {
150: $buttonstyle = 'display:none';
151: $resizejs =<<RESIZEJS;
152: <script type="text/javascript">
153: function callResize() {
154: var timer;
155: clearTimeout(timer);
156: timer=setTimeout('resize_jsme()',100);
157: }
158:
159: window.onresize = callResize;
160:
161: function resize_jsme() {
162: init_geometry();
163: var vph = Geometry.getViewportHeight();
164: var vpw = Geometry.getViewportWidth();
165: var lowerdivheight = document.getElementById('JMEbuttons').offsetHeight;
166: var formheight = document.getElementById('JMEform').offsetHeight;
167: var freevspace = vph-(lowerdivheight+50);
168: var freehspace = vpw-20;
169: if (typeof jsmeApplet !== 'undefined') {
170: jsmeApplet.setSize(freehspace,freevspace);
171: }
172: }
173: </script>
174: RESIZEJS
175: $resizejs = &Apache::loncommon::js_ready($resizejs);
176: $jsme_js = '
177: <script type="text/javascript" language="javascript" src="/adm/jsme/jsme.nocache.js"></script>'."\n";
178: $js =<<CHEMJS;
179: <script type="text/javascript">
180: function jsmeOnLoad() {
181: document.getElementById('JMErefresh').style.display="none";
182: document.getElementById('JMEcredits').style.display="inline";
183: jsmeApplet = new JSApplet.JSME("jme", "420px", "330px");
184: document.JME = jsmeApplet;
185: $molecule;
186: document.getElementById('JMEbuttons').style.display="block";
187: callResize();
188: }
189:
190: function submitSmiles() {
191: jmeFile = document.JME.jmeFile();
192: if (jmeFile == "") {
193: alert("Nothing to submit");
194: } else {
195: $jmesection
196: $smilesection
197: window.close();
198: }
199: }
200: function openHelpWindow() {
201: window.open("http://peter-ertl.com/jsme/2013_03/help.html","","scrollbars=yes,resizable=yes,width=500,height=600");
202: }
203:
204: </script>
205:
206: CHEMJS
207:
208: $viewportjs = &Apache::loncommon::viewport_geometry_js();
209: $viewportjs = '<script type="text/javascript">'."\n".
210: $viewportjs."\n".
211: '</script>';
212:
213: } else {
214: $buttonstyle = 'display:block';
215: $js =<<CHEMJS;
216: <script type="text/javascript">
217: function submitSmiles() {
218: jmeFile = document.applets.JME.jmeFile();
219: if (jmeFile == "") {
220: alert("Nothing to submit");
221: } else {
222: $jmesection
223: $smilesection
224: window.close();
225: }
226: }
227: function openHelpWindow() {
228: window.open("/adm/jme/jme_help.html","","scrollbars=yes,resizable=yes,width=500,height=600");
229: }
230: function substituent(r) {document.applets.JME.setSubstituent(r);}
231: </script>
232: CHEMJS
233: }
234:
235: my $start_page =
236: &Apache::loncommon::start_page('Molecule Editor',$viewportjs,
237: {'only_body' => 1,
238: 'js_ready' => 1,
239: 'bgcolor' => '#FFFFFF',});
240: my $end_page =
241: &Apache::loncommon::end_page({'js_ready' => 1,});
242: my $java_not_enabled=&Apache::lonhtmlcommon::java_not_enabled();
243: my %lt = &Apache::lonlocal::texthash(
244: 'seltext' => 'Select substituent...',
245: 'close' => 'Close',
246: 'help' => 'Help',
247: );
248: my $body = "
249: $jsme_js
250: $js".'
251: <center>
252: <form action="" id="JMEform">
253: ';
254: if ($usejsme) {
255: $body.= <<"ENDCHEM";
256: <div id="jme">
257: <div id="JMEcredits" style="$creditstyle">
258: <span style="font-size:small; font-family:arial,sans-serif;"><a href="http://peter-ertl.com/jsme/">JSME Molecular Editor</a> courtesy of Peter Ertl (Novartis) and Bruno Bienfait</span></div>
259: </div>
260: ENDCHEM
261: } else {
262: $body.=<<CHEMPAGE;
263: <table width="440"><tr>
264: <td></td>
265: <td align="right">
266: <select onchange="javascript:substituent(options[selectedIndex].text)">
267: <option>$lt{'seltext'}</option>
268: <option>-C(=O)OH</option>
269: <option>-C(=O)OMe</option>
270: <option>-OC(=O)Me</option>
271: <option>-CMe3</option>
272: <option>-CF3</option>
273: <option>-CCl3</option>
274: <option>-NO2</option>
275: <option>-SO2-NH2</option>
276: <option>-NH-SO2-Me</option>
277: <option>-NMe2</option>
278: <option>-C#N</option>
279: <option>-C#C-Me</option>
280: <option>-C#CH</option>
281: </select>
282: </td></tr>
283: </table>
284: <applet code="JME.class" name="JME" archive="/adm/jme/JME.jar" width="440" height="390" mayscript>
285: $java_not_enabled
286: $molecule
287: <param name="options" value="$options" />
288: </applet>
289: <br />
290: <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>
291: CHEMPAGE
292: }
293: $body .= <<CHEMPAGE;
294: <div id="JMEbuttons" style="$buttonstyle">
295: $insert_answer
296: <input type="button" value="$lt{'close'}" onclick="javascript:window.close()" />
297:
298: <input type="button" value="$lt{'help'}" onclick="javascript:openHelpWindow()" />
299: </div>
300: <div id="JMErefresh" style="$linkstyle">
301: <a href="javascript:location.reload();">Display Molecule Editor</a>
302: </div>
303: </form>
304: </center>
305: CHEMPAGE
306:
307: $body=&Apache::loncommon::js_ready($body);
308: my $nothing=&Apache::lonhtmlcommon::javascript_nothing();
309: my $docopen=&Apache::lonhtmlcommon::javascript_docopen();
310: my $display=&mt('Draw Molecule');
311: if (defined($shown_text)) { $display=&mt($shown_text); }
312: my $iconpath=$Apache::lonnet::perlvar{'lonIconsURL'};
313: my $function =
314: 'LONCAPA_draw_molecule_'.&get_uniq_name();
315: my $result=<<CHEMINPUT;
316: <script type="text/javascript">
317: function $function() {
318: editor=window.open($nothing,'jmeedit','width=500,height=500,menubar=no,scrollbars=no,resizable=yes');
319: if (editor) {
320: editor.$docopen;
321: editor.document.write('$start_page $body $resizejs $end_page');
322: editor.document.close();
323: editor.focus();
324: }
325: }
326: </script>
327: CHEMINPUT
328: my $jscall = "javascript:$function();void(0);";
329: if ($shown_text eq '') {
330: $result .=<<PENCIL;
331: <a href="$jscall"><img class="stift" src="$iconpath/stift.gif" alt="$display" title="$display" /></a>
332: PENCIL
333: } else {
334: $result .= '<input type="button" value="'.&mt($shown_text).'" onclick="$jscall" />';
335: }
336: return $result;
337: }
338: sub jme_img {
339: my ($jme,$smile,$width,$options)=@_;
340: my $id=&Apache::loncommon::get_cgi_id();
341: my $result='<img alt="'.$smile.'" src="/cgi-bin/convertjme.pl?'.$id.'"';
342: if ($options =~ /border/) { $result.= ' border="1"'; }
343: $result.=' />';
344: &Apache::lonnet::appenv({'cgi.'.$id.'.JME' =>
345: &escape($jme),
346: 'cgi.'.$id.'.PNG' => 1,
347: 'cgi.'.$id.'.WIDTH' => $width});
348: return $result;
349: }
350:
351: sub start_organicresponse {
352: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
353: my $result;
354: my $partid = $Apache::inputtags::part;
355: my $id = &Apache::response::start_response($parstack,$safeeval);
356: if ($target eq 'meta') {
357: $result=&Apache::response::meta_package_write('organicresponse');
358: } elsif ($target eq 'web') {
359: my $jmeanswer=&Apache::lonxml::get_param('jmeanswer',$parstack,
360: $safeeval);
361: if (&Apache::response::show_answer()) {
362: my $jmeanswer=&Apache::lonxml::get_param('jmeanswer',$parstack,
363: $safeeval);
364: if ($jmeanswer ne '') {
365: my $options=&Apache::lonxml::get_param('options',$parstack,
366: $safeeval);
367: my $width=&Apache::lonxml::get_param('width',$parstack,
368: $safeeval);
369: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
370: $safeeval);
371: $result.=&jme_img($jmeanswer,$answers[0],$width,$options);
372: }
373: } else {
374: $result.= '<input type="hidden" name="MOLECULE_'.$id.'" value="" />';
375: }
376: } elsif ($target eq 'edit') {
377: $result .=&Apache::edit::tag_start($target,$token);
378: my $options=&Apache::lonxml::get_param('options',$parstack,
379: $safeeval);
380: if ($options !~ /multipart/) { $options.=',multipart'; }
381: $result .='<span class="LC_nobreak">'.
382: &Apache::edit::text_arg('Starting Molecule:','molecule',
383: $token,40);
384: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,
385: $safeeval);
386: $result .=&separate_jme_window(undef,
387: &Apache::edit::html_element_name('molecule'),
388: $molecule,$options);
389: $result .='</span><br /><span class="LC_nobreak">';
390: $result .=&Apache::edit::text_arg('Correct Answer:','answer',
391: $token,40);
392: $result .='</span><br /><span class="LC_nobreak">';
393: $result .=&Apache::edit::text_arg('JME string of the answer - automatically updated by "Insert Answer" in the JME pop-up (click pencil):',
394: 'jmeanswer',$token);
395: my $jmeanswer=&Apache::lonxml::get_param('jmeanswer',$parstack,
396: $safeeval);
397: $result .=&separate_jme_window(
398: &Apache::edit::html_element_name('answer'),
399: &Apache::edit::html_element_name('jmeanswer'),
400: $jmeanswer,$options);
401: $result .='</span><br />';
402: $result .=&Apache::edit::checked_arg('Options:','options',
403: [ ['autoez','Auto E,Z stereochemistry'],
404: ['multipart','Multipart Structures'],
405: ['nostereo','No stereochemistry'],
406: ['reaction','Is a reaction'],
407: ['number','Able to number atoms'] ],
408: ,$token);
409: $result .=&Apache::edit::text_arg('Width of correct answer image:',
410: 'width',$token,10);
411: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
412: } elsif ($target eq 'modified') {
413: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
414: $safeeval,'molecule',
415: 'answer','jmeanswer',
416: 'options','width');
417: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
418: }
419:
420: return $result;
421: }
422:
423: sub end_organicresponse {
424: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
425: my $result;
426:
427: my $partid = $Apache::inputtags::part;
428: my $id = $Apache::inputtags::response['-1'];
429:
430: if ($target eq 'grade'
431: && &Apache::response::submitted()
432: && $Apache::lonhomework::type eq 'exam') {
433:
434: &Apache::response::scored_response($partid,$id);
435:
436: } elsif ($target eq 'grade'
437: && &Apache::response::submitted()
438: && $Apache::lonhomework::type ne 'exam') {
439:
440: &Apache::response::setup_params($$tagstack[-1],$safeeval);
441: my $response = &Apache::response::getresponse();
442: if ( $response =~ /[^\s]/) {
443: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
444: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
445: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
446: my $ad;
447: foreach my $answer (@answers) {
448: &Apache::lonxml::debug("submitted a $response for $answer<br \>\n");
449: if ($response eq $answer) {
450: $ad='EXACT_ANS';
451: last;
452: } else {
453: $ad='INCORRECT';
454: }
455: }
456: if ($ad) {
457: if ($Apache::lonhomework::type eq 'survey') {
458: $ad='SUBMITTED';
459: } elsif ($Apache::lonhomework::type eq 'surveycred') {
460: $ad='SUBMITTED_CREDIT';
461: } elsif ($Apache::lonhomework::type eq 'anonsurvey') {
462: $ad='ANONYMOUS';
463: } elsif ($Apache::lonhomework::type eq 'anonsurveycred') {
464: $ad='ANONYMOUS_CREDIT';
465: }
466: }
467: &Apache::response::handle_previous(\%previous,$ad);
468: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
469: $Apache::lonhomework::results{"resource.$partid.$id.molecule"}=$env{"form.MOLECULE_$id"};
470: }
471: } elsif ($target eq "edit") {
472: $result.= &Apache::edit::tag_end($target,$token,'');
473: } elsif ($target eq 'answer') {
474: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
475: $safeeval);
476: $result.=&Apache::response::answer_header('organicresponse');
477: foreach my $answer (@answers) {
478: $result.=&Apache::response::answer_part('organicresponse',$answer);
479: }
480: $result.=&Apache::response::answer_footer('organicresponse');
481: }
482: if ($target eq 'web') {
483: &Apache::response::setup_prior_tries_hash(\&format_prior_answer_organic,
484: ['molecule'])
485: }
486:
487: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
488: $target eq 'tex' || $target eq 'analyze') {
489: my $repetition = &Apache::response::repetition();
490: &Apache::lonxml::increment_counter($repetition,"$partid.$id"); # part.response
491: if ($target eq 'analyze') {
492: $Apache::lonhomework::analyze{"$partid.$id.type"} = 'organicresponse';
493: push (@{ $Apache::lonhomework::analyze{"parts"} },"$partid.$id");
494: &Apache::lonhomework::set_bubble_lines();
495: }
496: }
497: if ($target eq 'web' ) {
498: my ($showpencil,$shown_text);
499: if ($Apache::inputtags::status['-1'] eq 'CAN_ANSWER') {
500: $showpencil = 1;
501: } elsif (&Apache::response::show_answer()) {
502: my $jmeanswer=&Apache::lonxml::get_param('jmeanswer',$parstack, $safeeval);
503: if ($jmeanswer eq '') {
504: $showpencil = 1;
505: $shown_text="Show Your Last Answer";
506: }
507: }
508: if ($showpencil) {
509: my $options=&Apache::lonxml::get_param('options',$parstack,
510: $safeeval);
511:
512: my $molecule;
513: if (defined($Apache::lonhomework::history{"resource.$partid.$id.molecule"})) {
514: $molecule=$Apache::lonhomework::history{"resource.$partid.$id.molecule"};
515: } else {
516: $molecule=&Apache::lonxml::get_param('molecule',$parstack,
517: $safeeval);
518: }
519: $result.=&separate_jme_window("HWVAL_$id","MOLECULE_$id",$molecule,
520: $options,$shown_text);
521: }
522: }
523: &Apache::response::end_response();
524: return $result;
525: }
526:
527: sub format_prior_answer_organic {
528: my ($mode,$answer,$other_data) = @_;
529: my $result=&mt('Smile representation: [_1]','"<tt>'.$answer.'</tt>"');
530: my $jme=$other_data->[0];
531: $result.=&jme_img($jme,$answer,400);
532: return $result;
533: }
534:
535: sub start_organicstructure {
536: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
537: my $result;
538: if ($target eq 'web') {
539: my $width=&Apache::lonxml::get_param('width',$parstack,$safeeval);
540: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,$safeeval);
541: my $options=&Apache::lonxml::get_param('options',$parstack,$safeeval);
542: my $id=&Apache::loncommon::get_cgi_id();
543: $result="<img src='/cgi-bin/convertjme.pl?$id'";
544: if ($options =~ /border/) { $result.= ' border="1"'; }
545: $result.=' />';
546: &Apache::lonnet::appenv(
547: {'cgi.'.$id.'.JME' => &escape($molecule),
548: 'cgi.'.$id.'.PNG' => 1,
549: 'cgi.'.$id.'.WIDTH' => $width});
550: } elsif ($target eq 'tex') {
551: my $texwidth=&Apache::lonxml::get_param('texwidth',$parstack,$safeeval,undef,1);
552: my $webwidth=&Apache::lonxml::get_param('width', $parstack, $safeeval);
553: my $webheight=&Apache::lonxml::get_param('height', $parstack, $safeeval);
554: if (!$webheight) { $webheight = $webwidth; }
555: if (!$texwidth) { $texwidth='90'; }
556: $result = "%DYNAMICIMAGE:$webwidth:$webheight:$texwidth\n";
557: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,$safeeval);
558: my $options=&Apache::lonxml::get_param('options',$parstack,$safeeval);
559: my $filename = $env{'user.name'}.'_'.$env{'user.domain'}.
560: '_'.time.'_'.$$.int(rand(1000)).'_organicstructure';
561: my $id=$filename;
562: &Apache::lonnet::appenv(
563: {'cgi.'.$id.'.JME' => &escape($molecule),
564: 'cgi.'.$id.'.PS' => 1,
565: 'cgi.'.$id.'.WIDTH' => $texwidth});
566: $id=&escape($id);
567: &Apache::lonxml::register_ssi("/cgi-bin/convertjme.pl?$id");
568: if ($options =~ /border/) { $result.= '\fbox{'; }
569: $result .= '\graphicspath{{'.LONCAPA::tempdir().
570: '}}\includegraphics[width='.$texwidth.' mm]{'.$filename.'.eps}';
571: if ($options =~ /border/) { $result.= '} '; }
572: } elsif ($target eq 'edit') {
573: $result .=&Apache::edit::tag_start($target,$token);
574: $result .=&Apache::edit::text_arg('Width (pixels):','width',$token,5);
575: $result .=&Apache::edit::text_arg('TeXwidth (mm):','texwidth',$token,5);
576: $result .='<span class="LC_nobreak">';
577: $result .=&Apache::edit::text_arg('Molecule:','molecule',$token,40);
578: my $molecule=&Apache::lonxml::get_param('molecule',$parstack,
579: $safeeval);
580: my $options=&Apache::lonxml::get_param('options',$parstack,
581: $safeeval);
582: if ($options !~ /reaction/) {
583: $options.= ',multipart,number';
584: }
585:
586: $result .=&separate_jme_window(undef,
587: &Apache::edit::html_element_name('molecule'),
588: $molecule,$options);
589: $result.="</span><br />";
590: $result .=&Apache::edit::checked_arg('Options:','options',
591: [ ['reaction','Is a reaction'],
592: ['border','Draw a border'] ],
593: $token);
594: $result .=&Apache::edit::end_row();
595: } elsif ($target eq 'modified') {
596: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
597: $safeeval,'molecule',
598: 'width','texwidth',
599: 'options');
600: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
601: }
602: return $result;
603: }
604:
605: sub end_organicstructure {
606: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
607: my $result;
608: if ($target eq "edit") {
609: $result.= &Apache::edit::tag_end($target,$token,'');
610: }
611: return $result;
612: }
613:
614: sub edit_reaction_button {
615: my ($id,$field,$reaction)=@_;
616: my $id_es=&escape($id);
617: my $field_es=&escape($field);
618: my $reaction_es=&escape($reaction);
619: my $docopen=&Apache::lonhtmlcommon::javascript_docopen();
620: my $iconpath=$Apache::lonnet::perlvar{'lonIconsURL'};
621: my $display=&mt('Edit Answer');
622: my $start_page =
623: &Apache::loncommon::start_page('LON-CAPA Reaction Editor',undef,
624: {'frameset' => 1,
625: 'js_ready' => 1,
626: 'add_entries' => {
627: 'rows' => "30%,*",
628: 'border' => "0",}},);
629: my $end_page =
630: &Apache::loncommon::end_page({'frameset' => 1,
631: 'js_ready' => 1});
632: my $result=<<EDITREACTION;
633: <script type="text/javascript">
634: // <!--
635: function create_reaction_window_${id}_${field} () {
636: editor=window.open('','','width=500,height=270,scrollbars=no,resizable=yes');
637: editor.$docopen;
638: editor.document.writeln('$start_page <frame src="/res/adm/pages/reactionresponse/reaction_viewer.html?inhibitmenu=yes" name="viewer" scrolling="no" /> <frame src="/res/adm/pages/reactionresponse/reaction_editor.html?inhibitmenu=yes&reaction=$reaction_es&id=$id_es&field=$field_es" name="editor" scrolling="no" /> $end_page');
639: editor.document.close();
640: }
641: // -->
642: </script>
643: <a href="javascript:create_reaction_window_${id}_${field}();void(0);"><img class="stift" src='$iconpath/stift.gif' alt='$display' title='$display' /></a>
644: EDITREACTION
645: return $result;
646: }
647:
648: sub start_reactionresponse {
649: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
650: my $result;
651: my $id = &Apache::response::start_response($parstack,$safeeval);
652: if ($target eq 'meta') {
653: $result=&Apache::response::meta_package_write('reactionresponse');
654: } elsif ($target eq 'web') {
655: my $partid = $Apache::inputtags::part;
656: my $id = $Apache::inputtags::response['-1'];
657: if ( &Apache::response::show_answer() ) {
658: my $ans=&Apache::lonxml::get_param('answer',$parstack,$safeeval);
659: if (!$Apache::lonxml::default_homework_loaded) {
660: &Apache::lonxml::default_homework_load($safeeval);
661: }
662: @Apache::scripttag::parser_env = @_;
663: $Apache::inputtags::answertxt{$id}=[&Apache::run::run("return &chemparse(q\0$ans\0);",$safeeval)];
664: }
665: } elsif ($target eq "edit") {
666: $result .=&Apache::edit::tag_start($target,$token);
667: my $answer=&Apache::lonxml::get_param('answer',$parstack,
668: $safeeval);
669: $result .='<span class="LC_nobreak">'.
670: &Apache::edit::text_arg('Answer:','answer',$token,40);
671: $result .=&edit_reaction_button($id,&Apache::edit::html_element_name('answer'),$answer).'</span>';
672: my $initial=&Apache::lonxml::get_param('initial',$parstack,$safeeval);
673: $result.='<span class="LC_nobreak">'.
674: &Apache::edit::text_arg('Initial Reaction:','initial',$token,40);
675: $result .=&edit_reaction_button($id,&Apache::edit::html_element_name('initial'),$initial).'</span>';
676: $result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
677: } elsif ($target eq 'modified') {
678: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
679: $safeeval,'answer',
680: 'initial');
681: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
682: }
683: return $result;
684: }
685:
686: sub end_reactionresponse {
687: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
688: my $result;
689:
690: my $partid = $Apache::inputtags::part;
691: my $id = $Apache::inputtags::response['-1'];
692:
693: if ($target eq 'grade'
694: && &Apache::response::submitted()
695: && $Apache::lonhomework::type eq 'exam') {
696:
697: &Apache::response::scored_response($partid,$id);
698:
699: } elsif ($target eq 'grade'
700: && &Apache::response::submitted()
701: && $Apache::lonhomework::type ne 'exam') {
702:
703: &Apache::response::setup_params($$tagstack[-1],$safeeval);
704: my $response = &Apache::response::getresponse();
705: if ( $response =~ /[^\s]/) {
706: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
707: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
708: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
709: my $ad;
710: foreach my $answer (@answers) {
711: &Apache::lonxml::debug("submitted a $response for $answer<br \>\n");
712: if (&chem_standard_order($response) eq
713: &chem_standard_order($answer)) {
714: $ad='EXACT_ANS';
715: } else {
716: $ad='INCORRECT';
717: }
718: }
719: if ($ad) {
720: if ($Apache::lonhomework::type eq 'survey') {
721: $ad='SUBMITTED';
722: } elsif ($ad && $Apache::lonhomework::type eq 'surveycred') {
723: $ad='SUBMITTED_CREDIT';
724: } elsif ($ad && $Apache::lonhomework::type eq 'anonsurvey') {
725: $ad='ANONYMOUS';
726: } elsif ($ad && $Apache::lonhomework::type eq 'anonsurveycred') {
727: $ad='ANONYMOUS_CREDIT';
728: }
729: }
730: &Apache::response::handle_previous(\%previous,$ad);
731: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
732: }
733: } elsif ($target eq "edit") {
734: $result.= &Apache::edit::tag_end($target,$token,'');
735: } elsif ($target eq 'answer') {
736: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
737: $safeeval);
738: $result.=&Apache::response::answer_header('reactionresponse');
739: foreach my $answer (@answers) {
740: $result.=&Apache::response::answer_part('reactionresponse',
741: $answer);
742: }
743: $result.=&Apache::response::answer_footer('reactionresponse');
744: }
745: if ($target eq 'web') {
746: &Apache::response::setup_prior_tries_hash(\&format_prior_response_reaction);
747: }
748:
749: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
750: $target eq 'tex' || $target eq 'analyze') {
751: my $repetition = &Apache::response::repetition();
752: &Apache::lonxml::increment_counter($repetition,"$partid.$id");
753: if ($target eq 'analyze') {
754: $Apache::lonhomework::analyze{"$partid.$id.type"} = 'reactionresponse';
755: push (@{ $Apache::lonhomework::analyze{"parts"} },"$partid.$id");
756: &Apache::lonhomework::set_bubble_lines();
757: }
758: }
759: my $status=$Apache::inputtags::status['-1'];
760: if (($target eq 'web') && ($Apache::lonhomework::type ne 'exam') && ($status eq 'CAN_ANSWER')) {
761: my $reaction=$Apache::lonhomework::history{"resource.$partid.$id.submission"};
762: if ($reaction eq '') { $reaction=&Apache::lonxml::get_param('initial',$parstack,$safeeval); }
763: $result.=&edit_reaction_button($id,"HWVAL_$id",$reaction);
764: }
765: &Apache::response::end_response();
766: return $result;
767: }
768:
769: sub format_prior_response_reaction {
770: my ($mode,$answer) =@_;
771: return '<span class="LC_prior_reaction">'.
772: &HTML::Entities::encode($answer,'"<>&').'</span>';
773: }
774:
775: sub start_chem {
776: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
777: my $result = '';
778: my $inside = &Apache::lonxml::get_all_text_unbalanced("/chem",$parser);
779: if ($target eq 'tex' || $target eq 'web') {
780: $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
781: if (!$Apache::lonxml::default_homework_loaded) {
782: &Apache::lonxml::default_homework_load($safeeval);
783: }
784: @Apache::scripttag::parser_env = @_;
785: $result=&Apache::run::run("return &chemparse(q\0$inside\0);",$safeeval);
786: }
787: return $result;
788: }
789:
790: sub end_chem {
791: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
792: my $result = '';
793: return $result;
794: }
795:
796: my $uniq=0;
797: sub get_uniq_name {
798: $uniq++;
799: return 'uniquename'.$uniq;
800: }
801:
802: 1;
803: __END__
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