Annotation of loncom/homework/lonsimpleproblemedit.pm, revision 1.35
1.1 www 1: # The LearningOnline Network
2: # Simple Problem Parameter Setting "Editor"
3: #
1.35 ! raeburn 4: # $Id: lonsimpleproblemedit.pm,v 1.34 2012/11/09 03:28:01 raeburn Exp $
1.1 www 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::lonsimpleproblemedit;
30:
31: use strict;
32: use Apache::Constants qw(:common :http);
33: use Apache::loncommon;
34: use Apache::lonnet;
1.6 www 35: use Apache::lonlocal;
1.13 albertel 36: use Apache::lonnavmaps;
1.18 www 37: use lib '/home/httpd/lib/perl/';
38: use LONCAPA;
39:
1.1 www 40:
1.2 www 41: my %qparms;
42: my $prefix;
43: my $qtype;
44:
45: sub evaloptionhash {
46: my $options=shift;
47: $options=~s/^\(\'//;
48: $options=~s/\'\)$//;
49: my %returnhash=();
50: foreach (split(/\'\,\'/,$options)) {
51: $returnhash{$_}=$_;
52: }
53: return %returnhash;
54: }
55:
56: sub rawrendering {
1.11 albertel 57: my ($symb)=@_;
58: my %data=('show_errors'=>'on',
1.12 albertel 59: 'simple_edit_button' => 'off',
1.11 albertel 60: 'devalidatecourseresdata'=>'on');
61: return &Apache::loncommon::get_student_view($symb,time,time,
1.15 albertel 62: $env{'request.course.id'},
1.11 albertel 63: 'web',\%data);
1.2 www 64: }
65:
1.1 www 66: sub questiontext {
1.2 www 67: my $text=$qparms{$prefix.'questiontext'};
1.9 www 68: my $qt=&mt('Question Text');
1.16 albertel 69: my $spell_link=
70: &Apache::lonhtmlcommon::spelllink('simpleedit','questiontext');
1.1 www 71: return (<<ENDQUESTION);
1.19 albertel 72: <table bgcolor="#dddd22" cellspacing="4" cellpadding="2" style="width:100%">
1.9 www 73: <tr><td><b>$qt</b><br />
1.29 bisitz 74: <textarea style="width:99%" name="questiontext" cols="80" rows="8">$text</textarea>
1.16 albertel 75: <br />$spell_link
1.1 www 76: </td></tr>
77: </table>
78: <br />
79: ENDQUESTION
80: }
81:
82: sub hint {
1.2 www 83: my $text=$qparms{$prefix.'hinttext'};
1.9 www 84: my $ht=&mt('Hint Text');
1.16 albertel 85: my $spell_link=
86: &Apache::lonhtmlcommon::spelllink('simpleedit','hinttext');
1.1 www 87: return (<<ENDHINT);
1.29 bisitz 88: <table bgcolor="#accacc" cellspacing="4" cellpadding="2" style="width:100%">
1.9 www 89: <tr><td><b>$ht</b><br />
1.29 bisitz 90: <textarea style="width:99%" name="hinttext" cols="80" rows="4">$text</textarea>
1.16 albertel 91: <br />$spell_link
1.1 www 92: </td></tr>
93: </table>
94: <br />
95: ENDHINT
96: }
97:
1.24 www 98: sub script {
99: my $text=$qparms{$prefix.'numericalscript'};
100: my $ht=&mt('Scripting (optional)');
101: return (<<ENDSCRIPT);
1.29 bisitz 102: <table bgcolor="#ccccaa" cellspacing="4" cellpadding="2" style="width:100%">
1.24 www 103: <tr><td><b>$ht</b><br />
1.29 bisitz 104: <textarea style="width:99%" name="numericalscript" cols="80" rows="4">$text</textarea>
1.24 www 105: </td></tr>
106: </table>
107: <br />
108: ENDSCRIPT
109: }
110:
1.1 www 111: sub foil {
1.2 www 112: my $number=shift;
1.31 raeburn 113: my (%values,%defaultvalues,%customvalues);
114: %defaultvalues = &Apache::lonlocal::texthash(
115: 'unused' => 'Not shown, not used'
116: );
1.2 www 117: if ($qtype eq 'radio') {
1.31 raeburn 118: %customvalues = &Apache::lonlocal::texthash(
119: 'true' => 'True',
120: 'false' => 'False'
121: );
1.2 www 122: } elsif ($qtype eq 'option') {
1.31 raeburn 123: %customvalues=&evaloptionhash($qparms{$prefix.'options'});
1.2 www 124: }
1.31 raeburn 125: %values = (%defaultvalues,%customvalues);
1.2 www 126: my $value=$qparms{$prefix.'value'.$number};
1.1 www 127: unless (defined($value)) { $value='unused'; }
128: unless ($values{$value}) { $value='unused'; }
1.2 www 129: my $position=$qparms{$prefix.'position'.$number};
1.1 www 130: my %positions=('random' => 'Random position',
131: 'top' => 'Show always at top position',
132: 'bottom' => 'Show always at bottom position');
133: unless (defined($position)) { $position='random'; }
134: unless ($positions{$position}) {
135: $position='random';
136: }
1.30 bisitz 137: my $selectvalue=&Apache::loncommon::select_form(
138: $value,
139: 'value'.$number,
1.32 raeburn 140: \%values);
1.30 bisitz 141: my $selectposition=&Apache::loncommon::select_form(
142: $position,
143: 'position'.$number,
1.32 raeburn 144: {&Apache::lonlocal::texthash(%positions)});
1.2 www 145: my $text=$qparms{$prefix.'text'.$number};
1.9 www 146: my %lt=&Apache::lonlocal::texthash('foil' => 'Foil',
147: 'value' => 'Value',
148: 'pos' => 'Position',
149: 'text' => 'Text');
150:
1.16 albertel 151: my $spell_link=
152: &Apache::lonhtmlcommon::spelllink('simpleedit',"text$number");
1.1 www 153: return (<<ENDFOIL);
1.29 bisitz 154: <table bgcolor="#E8D8EE" cellspacing="2" cellpadding="1" style="width:100%">
1.9 www 155: <tr><td colspan="2"><b>$lt{'foil'}</b></td></tr>
1.10 www 156: <tr><td>$lt{'value'}: $selectvalue</td><td>$lt{'pos'}: $selectposition</td></tr>
1.9 www 157: <tr><td colspan="2">$lt{'text'}:<br />
1.28 bisitz 158: <textarea style="width:99%" name="text$number" cols="80" rows="4">$text</textarea>
1.16 albertel 159: <br />$spell_link
1.1 www 160: </td></tr>
161: </table>
162: <br />
163: ENDFOIL
164: }
165:
1.13 albertel 166: sub get_parent_uri {
167: my ($cur_symb)=@_;
168: my $navmap = Apache::lonnavmaps::navmap->new();
1.20 raeburn 169: if (defined($navmap)) {
170: my $it = $navmap->getIterator(undef, undef, undef, 1);
171: while ( my $res=$it->next()) {
172: if (ref($res) && $res->symb() eq $cur_symb) { last; }
173: }
174: my ($src,$symb,$anchor)=&Apache::lonnavmaps::getLinkForResource($it->getStack());
175: if (defined($anchor)) { $anchor='#'.$anchor; }
176: return $src.'?symb='.&escape($symb).$anchor;
1.13 albertel 177: }
1.20 raeburn 178: return;
1.13 albertel 179: }
180:
1.1 www 181: sub handler {
182: my $r = shift;
183:
184: if ($r->header_only) {
1.6 www 185: &Apache::loncommon::content_type($r,'text/html');
1.1 www 186: $r->send_http_header;
187: return OK;
188: }
189:
190: # -------------------------------------------------------------------- Allowed?
1.15 albertel 191: unless (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
1.1 www 192: return HTTP_NOT_ACCEPTABLE;
193: }
194: # ----------------------------------------------------------------- Send header
1.6 www 195: &Apache::loncommon::content_type($r,'text/html');
1.1 www 196: $r->send_http_header;
197: # ----------------------------------------------------- Figure out where we are
198: my $uri=$r->uri;
199: $uri=~s/\/smpedit$//;
1.13 albertel 200: my $symb=&Apache::lonnet::symbread();
1.1 www 201:
1.2 www 202: # ------------------------------------------------ Prefix for everything stored
1.15 albertel 203: $prefix=$env{'request.course.id'}.'.'.$symb.'.0.';
1.26 truskell 204: #------------------------------------------------- Prefix for storing weight of Problem Parts
1.27 truskell 205: my $weightprefix=$env{'request.course.id'}.'.'.$symb.'.';
1.26 truskell 206:
1.1 www 207: # ---------------------------------------------------------- Anything to store?
1.34 raeburn 208: my $storeresult;
1.15 albertel 209: if (($symb) && (defined($env{'form.questiontype'}))) {
1.1 www 210: my %storecontent=();
211: undef %storecontent;
1.15 albertel 212: if ($env{'form.questiontype'} eq 'option') {
213: my %curoptions=&evaloptionhash($env{'form.options'});
214: if ($env{'form.delopt'}) {
215: delete $curoptions{$env{'form.delopt'}};
1.2 www 216: }
1.15 albertel 217: if ($env{'form.newopt'}) {
218: $env{'form.newopt'}=~s/\'/\\\'/g;
219: $curoptions{$env{'form.newopt'}}=$env{'form.newopt'};
1.2 www 220: }
1.15 albertel 221: $env{'form.options'}="('".join("','",keys %curoptions)."')";
1.2 www 222: }
1.15 albertel 223: $env{'form.hiddenparts'}='!'.$env{'form.questiontype'};
224: foreach (keys %env) {
1.1 www 225: if ($_=~/^form\.(\w+)$/) {
1.2 www 226: my $parm=$1;
1.15 albertel 227: $storecontent{$prefix.$parm}=$env{'form.'.$parm};
1.2 www 228: $storecontent{$prefix.$parm}=~s/^\s+//s;
229: $storecontent{$prefix.$parm}=~s/\s+$//s;
1.1 www 230: }
231: }
1.26 truskell 232: # ---------------------------------------------------- Set weights of hidden parts to zero
233: # ------------------------------------------------------ and used part to 1
234: $storecontent{$weightprefix.'essay.weight'}=0;
235: $storecontent{$weightprefix.'numerical.weight'}=0;
236: $storecontent{$weightprefix.'option.weight'}=0;
237: $storecontent{$weightprefix.'radio.weight'}=0;
238: $storecontent{$weightprefix.'string.weight'}=0;
239: $storecontent{$weightprefix.$env{'form.questiontype'}.'.weight'}=1;
240:
241:
1.1 www 242: my $reply=&Apache::lonnet::cput
243: ('resourcedata',\%storecontent,
1.15 albertel 244: $env{'course.'.$env{'request.course.id'}.'.domain'},
245: $env{'course.'.$env{'request.course.id'}.'.num'});
1.26 truskell 246:
1.25 www 247: &Apache::lonnet::devalidatecourseresdata(
248: $env{'course.'.$env{'request.course.id'}.'.num'},
249: $env{'course.'.$env{'request.course.id'}.'.domain'});
1.34 raeburn 250: if ($reply eq 'ok') {
251: if ($env{'form.forceview'}) {
252: my $dest = &get_parent_uri($symb);
253: if ($dest) {
254: $r->internal_redirect($dest);
1.35 ! raeburn 255: return OK;
1.34 raeburn 256: }
257: }
258: } else {
259: $storeresult = $reply;
260: }
1.1 www 261: }
1.2 www 262: # ------------------------------------------------------------------- Read Data
263:
264: %qparms=&Apache::lonnet::dump('resourcedata',
1.15 albertel 265: $env{'course.'.$env{'request.course.id'}.'.domain'},
266: $env{'course.'.$env{'request.course.id'}.'.num'},
267: $env{'request.course.id'}.'.'.$symb);
1.2 www 268:
1.34 raeburn 269: my $js = <<"ENDJS";
270:
271: <script type="text/javascript">
272: // <![CDATA[
273:
274: function setForceView() {
275: if (document.getElementById('spview')) {
276: document.getElementById('spview').value = 1;
277: }
278: return true;
279: }
280: // END LON-CAPA Internal -->
281: // ]]>
282: </script>
283:
284: ENDJS
285:
1.1 www 286: # ------------------------------------------------------------ Print the screen
1.16 albertel 287: my $spell_header=&Apache::lonhtmlcommon::spellheader();
1.17 albertel 288: $r->print(&Apache::loncommon::start_page('Simple Problem Editor',
1.34 raeburn 289: $spell_header.$js));
1.1 www 290: if ($symb) {
1.29 bisitz 291: my $title='<h1>'.&Apache::lonnet::gettitle($symb).'</h1>';
1.33 raeburn 292: if (&get_parent_uri($symb)) {
293: $r->print($title);
1.34 raeburn 294: if ($storeresult) {
295: $r->print('<p class="LC_error">'.&mt('An error: [_1] occurred saving your changes',$storeresult).'</p>');
296: }
1.20 raeburn 297: } else {
1.29 bisitz 298: $r->print($title
299: .'<p class="LC_error">'
1.21 bisitz 300: .&mt('An error occurred retrieving the link to this problem.')
301: .'<br />'
302: .&mt('You may need to [_1]re-select the course[_2] and then return to this resource to view it.'
303: ,'<a href="/adm/roles">','</a>')
304: .'</p>'
305: );
1.20 raeburn 306: }
1.23 bisitz 307: $r->print('<p class="LC_warning">'
308: .&mt('Note: it can take up to 10 minutes for changes to take effect for all users.')
309: .&Apache::loncommon::help_open_topic('Caching')
310: .'</p>'
311: );
1.21 bisitz 312:
1.29 bisitz 313: $r->print(
314: '<div class="LC_Box">'
315: .&rawrendering($symb)
316: .'</div>'
317: );
1.22 bisitz 318: $r->print('<form name="simpleedit" method="post">');
1.2 www 319: # Question Type
1.30 bisitz 320: my %questiontypes=(
321: 'radio' => '1 out of N multiple choice (radio button)',
322: 'option' => 'Option Response',
323: 'string' => 'Short string response',
324: 'essay' => 'Essay, open end',
325: 'numerical' => 'Numerical Response');
1.2 www 326: $qtype=$qparms{$prefix.'questiontype'};
327: unless (defined($qtype)) { $qtype='radio'; }
328: unless ($questiontypes{$qtype}) { $qtype='radio'; }
1.29 bisitz 329: $r->print(
330: '<fieldset style="width:400px;">'
331: .'<legend>'.&mt('Question Type').'</legend>'
1.30 bisitz 332: .&Apache::loncommon::select_form(
333: $qtype,
334: 'questiontype',
1.32 raeburn 335: {&Apache::lonlocal::texthash(%questiontypes)})
1.29 bisitz 336: .'</fieldset>'
337: );
338: $r->print(
339: '<p>'
1.34 raeburn 340: .'<input type="hidden" name="forceview" value="" id="spview" />'
1.29 bisitz 341: .'<input type="submit" value="'.&mt('Save and Edit').'" />'
1.34 raeburn 342: .(' ' x3)
343: .'<input type="submit" value="'.&mt('Save and View').'" onclick="javascript:setForceView();" />'
1.29 bisitz 344: .'</p>'
345: );
1.24 www 346: # Script
347: if ($qtype eq 'numerical') {
348: $r->print(&script());
349: }
1.2 www 350: # Question Text
351: $r->print(&questiontext());
352: # Radio, Option ===
353: if (($qtype eq 'radio') || ($qtype eq 'option')) {
354: # Response
355: my $maxfoils=$qparms{$prefix.'maxfoils'};
356: unless (defined($maxfoils)) { $maxfoils=10; }
357: unless ($maxfoils=~/^\d+$/) { $maxfoils=10; }
358: if ($maxfoils<=0) { $maxfoils=10; }
1.30 bisitz 359: my %randomizes=(
360: 'yes' => 'Display foils in random order',
361: 'no' => 'Display foils in order given');
1.2 www 362: my $randomize=$qparms{$prefix.'randomize'};
363: unless (defined($randomize)) { $randomize='yes'; }
364: unless ($randomizes{$randomize}) { $randomize='yes'; }
365: $r->print(
1.29 bisitz 366: '<table bgcolor="#00ee44" cellspacing="4" cellpadding="2" style="width:100%">'.
1.6 www 367: '<tr><td>'.&mt('Max number of foils displayed').
368: ': <input type="text" size="3" name="maxfoils" value="'.$maxfoils.'" /> '.
1.30 bisitz 369: &Apache::loncommon::select_form(
370: $randomize,
371: 'randomize',
1.32 raeburn 372: {&Apache::lonlocal::texthash(%randomizes)}).
1.28 bisitz 373: '</td></tr><tr><td bgcolor="#F0F0F0">');
1.2 www 374: # Option Response: Options
375: if ($qtype eq 'option') {
376: my $options=$qparms{$prefix.'options'};
377: unless (defined($options)) { $options="('true','false')"; }
378: my %optionshash=&evaloptionhash($options);
379: $r->print(
1.29 bisitz 380: '<table bgcolor="#ffcc22" cellspacing="4" cellpadding="2" style="width:100%">'.
1.2 www 381: '<tr><td><input type="hidden" name="options" value="'.
1.9 www 382: $options.'" />'.&mt('Add new option').': '.
1.6 www 383: '<input type="text" name="newopt" size="15" />'.
384: &mt('Delete an option').': '.
1.32 raeburn 385: &Apache::loncommon::select_form('','delopt',{'' => '',%optionshash}).
1.2 www 386: '</td></tr><tr><td>');
387: }
388: # Foils
389: for (my $i=1;$i<=10;$i++) {
390: $r->print(&foil($i));
391: }
392: # End Options
393: if ($qtype eq 'option') {
394: $r->print('</td></tr></table>');
395: }
1.1 www 396:
1.2 www 397: # End Response
398: $r->print('</td></tr></table><br />');
1.3 www 399: # Hint
400: $r->print(&hint());
1.2 www 401: }
1.3 www 402: if ($qtype eq 'string') {
403: my %stringtypes=(
404: 'cs' => 'Case sensitive',
405: 'ci' => 'Case Insensitive',
406: 'mc' => 'Multiple Choice, Order of characters unchecked');
407: my $stringanswer=$qparms{$prefix.'stringanswer'};
408: unless (defined($stringanswer)) { $stringanswer=''; }
409: my $stringtype=$qparms{$prefix.'stringtype'};
410: unless (defined($stringtype)) { $stringtype='cs'; }
411: unless ($stringtypes{$stringtype}) { $stringtype='cs'; }
412: $r->print(
1.29 bisitz 413: '<table bgcolor="#00ee44" cellspacing="4" cellpadding="2" style="width:100%">'.
1.25 www 414: '<tr><td><label>'.&mt('Correct answer').': <input type="text" size="20" name="stringanswer" value="'.$stringanswer.'" /></label> '.
1.30 bisitz 415: &Apache::loncommon::select_form(
416: $stringtype,
417: 'stringtype',
1.32 raeburn 418: {&Apache::lonlocal::texthash(%stringtypes)}).
1.3 www 419: '</td></tr></table><br />');
1.2 www 420: # Hint
1.3 www 421: $r->print(&hint());
422: }
1.24 www 423: if ($qtype eq 'numerical') {
424: my $numericalanswer=$qparms{$prefix.'numericalanswer'};
425: unless (defined($numericalanswer)) { $numericalanswer=''; }
1.25 www 426: my $numericaltolerance=$qparms{$prefix.'numericaltolerance'};
427: unless (defined($numericaltolerance)) { $numericaltolerance='5%'; }
428: my $numericalsigfigs=$qparms{$prefix.'numericalsigfigs'};
429: unless (defined($numericalsigfigs)) { $numericalsigfigs='1,15'; }
1.24 www 430:
431: $r->print(
1.29 bisitz 432: '<table bgcolor="#00ee44" cellspacing="4" cellpadding="2" style="width:100%">'.
1.25 www 433: '<tr><td><label>'.&mt('Correct answer').': <input type="text" size="20" name="numericalanswer" value="'.$numericalanswer.'" /></label> '.
434: '<label>'.&mt('Unit').': <input type="text" size="5" name="numericalunit" value="'.$qparms{$prefix.'numericalunit'}.'" /></label> '.
435: '<label>'.&mt('Format').': <input type="text" size="5" name="numericalformat" value="'.$qparms{$prefix.'numericalformat'}.'" /></label> '.
436: '<label>'.&mt('Tolerance').': <input type="text" size="5" name="numericaltolerance" value="'.$numericaltolerance.'" /></label> '.
437: '<label>'.&mt('Significant digits').': <input type="text" size="5" name="numericalsigfigs" value="'.$numericalsigfigs.'" /></label>'.
1.24 www 438: '</td></tr></table><br />');
439: $r->print(&hint());
440: }
1.2 www 441: # Store Button
442: $r->print(
1.34 raeburn 443: '<input type="submit" value="'.&mt('Save and Edit').'" />'.
444: (' ' x3).
445: '<input type="submit" value="'.&mt('Save and View').'" onclick="javascript:setForceView();" />'.
446: '</form>');
1.1 www 447: } else {
1.6 www 448: $r->print(&mt('Could not identify problem.'));
1.1 www 449: }
1.17 albertel 450: $r->print(&Apache::loncommon::end_page());
1.1 www 451: return OK;
1.33 raeburn 452: }
1.1 www 453:
454: 1;
455: __END__
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