Annotation of loncom/homework/lonsimpleproblemedit.pm, revision 1.20.2.3
1.1 www 1: # The LearningOnline Network
2: # Simple Problem Parameter Setting "Editor"
3: #
1.20.2.3! raeburn 4: # $Id: lonsimpleproblemedit.pm,v 1.20.2.2 2010/01/27 20:38:08 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 />
1.14 albertel 74: <textarea style="width:100%" 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 $spell_link=
86: &Apache::lonhtmlcommon::spelllink('simpleedit','hinttext');
1.1 www 87: return (<<ENDHINT);
88: <table bgcolor="#accacc" cellspacing="4" cellpadding="2">
1.9 www 89: <tr><td><b>$ht</b><br />
1.14 albertel 90: <textarea style="width:100%" 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:
1.20.2.2 raeburn 98: sub script {
99: my $text=$qparms{$prefix.'numericalscript'};
100: my $ht=&mt('Scripting (optional)');
101: return (<<ENDSCRIPT);
102: <table bgcolor="#ccccaa" cellspacing="4" cellpadding="2">
103: <tr><td><b>$ht</b><br />
104: <textarea style="width:100%" name="numericalscript" cols="80" rows="4">$text</textarea>
105: </td></tr>
106: </table>
107: <br />
108: ENDSCRIPT
109: }
110:
1.1 www 111: sub foil {
1.2 www 112: my $number=shift;
1.20.2.3! raeburn 113: my (%values,%defaultvalues,%customvalues);
! 114: %defaultvalues = &Apache::lonlocal::texthash(
! 115: 'unused' => 'Not shown, not used'
! 116: );
1.2 www 117: if ($qtype eq 'radio') {
1.20.2.3! raeburn 118: %customvalues = &Apache::lonlocal::texthash(
! 119: 'true' => 'True',
! 120: 'false' => 'False'
! 121: );
1.2 www 122: } elsif ($qtype eq 'option') {
1.20.2.3! raeburn 123: %customvalues=&evaloptionhash($qparms{$prefix.'options'});
1.2 www 124: }
1.20.2.3! 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: }
1.20.2.3! raeburn 137: my $selectvalue=&Apache::loncommon::select_form(
! 138: $value,
! 139: 'value'.$number,
! 140: &Apache::lonlocal::texthash(%values));
! 141: my $selectposition=&Apache::loncommon::select_form(
! 142: $position,
! 143: 'position'.$number,
! 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);
154: <table bgcolor="#dd55ff" cellspacing="4" cellpadding="2">
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 />
1.14 albertel 158: <textarea style="width:100%" 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.';
1.20.2.2 raeburn 204: #----------------------------------- Prefix for storing weight of Problem Parts
205: my $weightprefix=$env{'request.course.id'}.'.'.$symb.'.';
1.1 www 206: # ---------------------------------------------------------- Anything to store?
207:
1.15 albertel 208: if (($symb) && (defined($env{'form.questiontype'}))) {
1.1 www 209: my %storecontent=();
210: undef %storecontent;
1.15 albertel 211: if ($env{'form.questiontype'} eq 'option') {
212: my %curoptions=&evaloptionhash($env{'form.options'});
213: if ($env{'form.delopt'}) {
214: delete $curoptions{$env{'form.delopt'}};
1.2 www 215: }
1.15 albertel 216: if ($env{'form.newopt'}) {
217: $env{'form.newopt'}=~s/\'/\\\'/g;
218: $curoptions{$env{'form.newopt'}}=$env{'form.newopt'};
1.2 www 219: }
1.15 albertel 220: $env{'form.options'}="('".join("','",keys %curoptions)."')";
1.2 www 221: }
1.15 albertel 222: $env{'form.hiddenparts'}='!'.$env{'form.questiontype'};
223: foreach (keys %env) {
1.1 www 224: if ($_=~/^form\.(\w+)$/) {
1.2 www 225: my $parm=$1;
1.15 albertel 226: $storecontent{$prefix.$parm}=$env{'form.'.$parm};
1.2 www 227: $storecontent{$prefix.$parm}=~s/^\s+//s;
228: $storecontent{$prefix.$parm}=~s/\s+$//s;
1.1 www 229: }
230: }
1.20.2.2 raeburn 231: # ---------------------------------------------------- Set weights of hidden parts to zero
232: # ------------------------------------------------------ and used part to 1
233: $storecontent{$weightprefix.'essay.weight'}=0;
234: $storecontent{$weightprefix.'numerical.weight'}=0;
235: $storecontent{$weightprefix.'option.weight'}=0;
236: $storecontent{$weightprefix.'radio.weight'}=0;
237: $storecontent{$weightprefix.'string.weight'}=0;
238: $storecontent{$weightprefix.$env{'form.questiontype'}.'.weight'}=1;
239:
1.1 www 240: my $reply=&Apache::lonnet::cput
241: ('resourcedata',\%storecontent,
1.15 albertel 242: $env{'course.'.$env{'request.course.id'}.'.domain'},
243: $env{'course.'.$env{'request.course.id'}.'.num'});
1.1 www 244: }
1.20.2.2 raeburn 245:
246: &Apache::lonnet::devalidatecourseresdata(
247: $env{'course.'.$env{'request.course.id'}.'.num'},
248: $env{'course.'.$env{'request.course.id'}.'.domain'});
1.2 www 249: # ------------------------------------------------------------------- Read Data
250:
251: %qparms=&Apache::lonnet::dump('resourcedata',
1.15 albertel 252: $env{'course.'.$env{'request.course.id'}.'.domain'},
253: $env{'course.'.$env{'request.course.id'}.'.num'},
254: $env{'request.course.id'}.'.'.$symb);
1.2 www 255:
1.1 www 256: # ------------------------------------------------------------ Print the screen
1.16 albertel 257: my $spell_header=&Apache::lonhtmlcommon::spellheader();
1.17 albertel 258: $r->print(&Apache::loncommon::start_page('Simple Problem Editor',
259: $spell_header));
1.1 www 260: if ($symb) {
261: $r->print('<h1>'.&Apache::lonnet::gettitle($symb).'</h1>');
1.20 raeburn 262: $r->print('<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>');
263: my $displaylink = &get_parent_uri($symb);
264: if ($displaylink ne '') {
265: $r->print('<a href="'.$displaylink.'">'.&mt('Student View').'</a> - ');
266: } else {
267: $r->print('<span class="LC_error">'.&mt('An error occurred retrieving the link to this problem').'<br />'.&mt('You may need to [_1]re-select the course[_2] and then return to this resource to view it.','<a href="/adm/roles">','</a>').'</span><br />');
268: }
269: $r->print(&mt('Note: it can take up to 10 minutes for changes to take effect for all users.').
1.12 albertel 270: &Apache::loncommon::help_open_topic('Caching').'</td></tr></table>');
1.2 www 271: $r->print('<table border="2" bgcolor="#FFFFFF" width="100%"><tr><td>'.
1.11 albertel 272: &rawrendering($symb).
1.2 www 273: '</td></tr></table><br />');
1.20.2.1 raeburn 274: $r->print('<form name="simpleedit" method="post">');
1.20.2.3! raeburn 275: # Question Type
! 276: my %questiontypes=(
! 277: 'radio' => '1 out of N multiple choice (radio button)',
! 278: 'option' => 'Option Response',
! 279: 'string' => 'Short string response',
! 280: 'essay' => 'Essay, open end',
! 281: 'numerical' => 'Numerical Response');
1.2 www 282: $qtype=$qparms{$prefix.'questiontype'};
283: unless (defined($qtype)) { $qtype='radio'; }
284: unless ($questiontypes{$qtype}) { $qtype='radio'; }
1.20.2.3! raeburn 285: $r->print('<b>'.&mt('Question Type').': '
! 286: .&Apache::loncommon::select_form(
! 287: $qtype,
! 288: 'questiontype',
! 289: &Apache::lonlocal::texthash(%questiontypes))
1.2 www 290: ($qtype,'questiontype',%questiontypes).
1.12 albertel 291: '</b><br /><input type="submit" value="'.&mt('Save and Edit').
1.6 www 292: '" /><p> </p>');
1.20.2.2 raeburn 293: # Script
294: if ($qtype eq 'numerical') {
295: $r->print(&script());
296: }
1.2 www 297: # Question Text
298: $r->print(&questiontext());
299: # Radio, Option ===
300: if (($qtype eq 'radio') || ($qtype eq 'option')) {
301: # Response
302: my $maxfoils=$qparms{$prefix.'maxfoils'};
303: unless (defined($maxfoils)) { $maxfoils=10; }
304: unless ($maxfoils=~/^\d+$/) { $maxfoils=10; }
305: if ($maxfoils<=0) { $maxfoils=10; }
1.20.2.3! raeburn 306: my %randomizes=(
! 307: 'yes' => 'Display foils in random order',
! 308: 'no' => 'Display foils in order given');
1.2 www 309: my $randomize=$qparms{$prefix.'randomize'};
310: unless (defined($randomize)) { $randomize='yes'; }
311: unless ($randomizes{$randomize}) { $randomize='yes'; }
312: $r->print(
313: '<table bgcolor="#00ee44" cellspacing="4" cellpadding="2">'.
1.6 www 314: '<tr><td>'.&mt('Max number of foils displayed').
315: ': <input type="text" size="3" name="maxfoils" value="'.$maxfoils.'" /> '.
1.20.2.3! raeburn 316: &Apache::loncommon::select_form(
! 317: $randomize,
! 318: 'randomize',
! 319: &Apache::lonlocal::texthash(%randomizes)).
1.2 www 320: '</td></tr><tr><td bgcolor="#AAAAAA">');
321: # Option Response: Options
322: if ($qtype eq 'option') {
323: my $options=$qparms{$prefix.'options'};
324: unless (defined($options)) { $options="('true','false')"; }
325: my %optionshash=&evaloptionhash($options);
326: $r->print(
327: '<table bgcolor="#ffcc22" cellspacing="4" cellpadding="2">'.
328: '<tr><td><input type="hidden" name="options" value="'.
1.9 www 329: $options.'" />'.&mt('Add new option').': '.
1.6 www 330: '<input type="text" name="newopt" size="15" />'.
331: &mt('Delete an option').': '.
1.2 www 332: &Apache::loncommon::select_form('','delopt',('' => '',%optionshash)).
333: '</td></tr><tr><td>');
334: }
335: # Foils
336: for (my $i=1;$i<=10;$i++) {
337: $r->print(&foil($i));
338: }
339: # End Options
340: if ($qtype eq 'option') {
341: $r->print('</td></tr></table>');
342: }
1.1 www 343:
1.2 www 344: # End Response
345: $r->print('</td></tr></table><br />');
1.3 www 346: # Hint
347: $r->print(&hint());
1.2 www 348: }
1.3 www 349: if ($qtype eq 'string') {
350: my %stringtypes=(
351: 'cs' => 'Case sensitive',
352: 'ci' => 'Case Insensitive',
353: 'mc' => 'Multiple Choice, Order of characters unchecked');
354: my $stringanswer=$qparms{$prefix.'stringanswer'};
355: unless (defined($stringanswer)) { $stringanswer=''; }
356: my $stringtype=$qparms{$prefix.'stringtype'};
357: unless (defined($stringtype)) { $stringtype='cs'; }
358: unless ($stringtypes{$stringtype}) { $stringtype='cs'; }
359: $r->print(
360: '<table bgcolor="#00ee44" cellspacing="4" cellpadding="2">'.
1.20.2.2 raeburn 361: '<tr><td><label>'.&mt('Correct answer').': <input type="text" size="20" name="stringanswer" value="'.$stringanswer.'" /></label> '.
1.20.2.3! raeburn 362: &Apache::loncommon::select_form(
! 363: $stringtype,
! 364: 'stringtype',
! 365: &Apache::lonlocal::texthash(%stringtypes)).
1.3 www 366: '</td></tr></table><br />');
1.2 www 367: # Hint
1.3 www 368: $r->print(&hint());
369: }
1.20.2.2 raeburn 370: if ($qtype eq 'numerical') {
371: my $numericalanswer=$qparms{$prefix.'numericalanswer'};
372: unless (defined($numericalanswer)) { $numericalanswer=''; }
373: my $numericaltolerance=$qparms{$prefix.'numericaltolerance'};
374: unless (defined($numericaltolerance)) { $numericaltolerance='5%'; }
375: my $numericalsigfigs=$qparms{$prefix.'numericalsigfigs'};
376: unless (defined($numericalsigfigs)) { $numericalsigfigs='1,15'; }
377:
378: $r->print(
379: '<table bgcolor="#00ee44" cellspacing="4" cellpadding="2">'.
380: '<tr><td><label>'.&mt('Correct answer').': <input type="text" size="20" name="numericalanswer" value="'.$numericalanswer.'" /></label> '.
381: '<label>'.&mt('Unit').': <input type="text" size="5" name="numericalunit" value="'.$qparms{$prefix.'numericalunit'}.'" /></label> '.
382: '<label>'.&mt('Format').': <input type="text" size="5" name="numericalformat" value="'.$qparms{$prefix.'numericalformat'}.'" /></label> '.
383: '<label>'.&mt('Tolerance').': <input type="text" size="5" name="numericaltolerance" value="'.$numericaltolerance.'" /></label> '.
384: '<label>'.&mt('Significant digits').': <input type="text" size="5" name="numericalsigfigs" value="'.$numericalsigfigs.'" /></label>'.
385: '</td></tr></table><br />');
386: $r->print(&hint());
387: }
1.2 www 388: # Store Button
389: $r->print(
1.12 albertel 390: '<input type="submit" value="'.&mt('Save and Edit').'" /></form>');
1.1 www 391: } else {
1.6 www 392: $r->print(&mt('Could not identify problem.'));
1.1 www 393: }
1.17 albertel 394: $r->print(&Apache::loncommon::end_page());
1.1 www 395: return OK;
396: }
397:
398: 1;
399: __END__
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