Annotation of loncom/homework/lonsimpleproblemedit.pm, revision 1.30
1.1 www 1: # The LearningOnline Network
2: # Simple Problem Parameter Setting "Editor"
3: #
1.30 ! bisitz 4: # $Id: lonsimpleproblemedit.pm,v 1.29 2009/10/19 15:15:03 bisitz 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 $number=shift;
113: my %values='';
114: if ($qtype eq 'radio') {
115: %values=('true' => 'True', 'false' => 'False');
116: } elsif ($qtype eq 'option') {
117: %values=&evaloptionhash($qparms{$prefix.'options'});
118: }
1.1 www 119: $values{'unused'}='Not shown, not used';
1.2 www 120: my $value=$qparms{$prefix.'value'.$number};
1.1 www 121: unless (defined($value)) { $value='unused'; }
122: unless ($values{$value}) { $value='unused'; }
1.2 www 123: my $position=$qparms{$prefix.'position'.$number};
1.1 www 124: my %positions=('random' => 'Random position',
125: 'top' => 'Show always at top position',
126: 'bottom' => 'Show always at bottom position');
127: unless (defined($position)) { $position='random'; }
128: unless ($positions{$position}) {
129: $position='random';
130: }
1.30 ! bisitz 131: my $selectvalue=&Apache::loncommon::select_form(
! 132: $value,
! 133: 'value'.$number,
! 134: &Apache::lonlocal::texthash(%values));
! 135: my $selectposition=&Apache::loncommon::select_form(
! 136: $position,
! 137: 'position'.$number,
! 138: &Apache::lonlocal::texthash(%positions));
1.2 www 139: my $text=$qparms{$prefix.'text'.$number};
1.9 www 140: my %lt=&Apache::lonlocal::texthash('foil' => 'Foil',
141: 'value' => 'Value',
142: 'pos' => 'Position',
143: 'text' => 'Text');
144:
1.16 albertel 145: my $spell_link=
146: &Apache::lonhtmlcommon::spelllink('simpleedit',"text$number");
1.1 www 147: return (<<ENDFOIL);
1.29 bisitz 148: <table bgcolor="#E8D8EE" cellspacing="2" cellpadding="1" style="width:100%">
1.9 www 149: <tr><td colspan="2"><b>$lt{'foil'}</b></td></tr>
1.10 www 150: <tr><td>$lt{'value'}: $selectvalue</td><td>$lt{'pos'}: $selectposition</td></tr>
1.9 www 151: <tr><td colspan="2">$lt{'text'}:<br />
1.28 bisitz 152: <textarea style="width:99%" name="text$number" cols="80" rows="4">$text</textarea>
1.16 albertel 153: <br />$spell_link
1.1 www 154: </td></tr>
155: </table>
156: <br />
157: ENDFOIL
158: }
159:
1.13 albertel 160: sub get_parent_uri {
161: my ($cur_symb)=@_;
162: my $navmap = Apache::lonnavmaps::navmap->new();
1.20 raeburn 163: if (defined($navmap)) {
164: my $it = $navmap->getIterator(undef, undef, undef, 1);
165: while ( my $res=$it->next()) {
166: if (ref($res) && $res->symb() eq $cur_symb) { last; }
167: }
168: my ($src,$symb,$anchor)=&Apache::lonnavmaps::getLinkForResource($it->getStack());
169: if (defined($anchor)) { $anchor='#'.$anchor; }
170: return $src.'?symb='.&escape($symb).$anchor;
1.13 albertel 171: }
1.20 raeburn 172: return;
1.13 albertel 173: }
174:
1.1 www 175: sub handler {
176: my $r = shift;
177:
178: if ($r->header_only) {
1.6 www 179: &Apache::loncommon::content_type($r,'text/html');
1.1 www 180: $r->send_http_header;
181: return OK;
182: }
183:
184: # -------------------------------------------------------------------- Allowed?
1.15 albertel 185: unless (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
1.1 www 186: return HTTP_NOT_ACCEPTABLE;
187: }
188: # ----------------------------------------------------------------- Send header
1.6 www 189: &Apache::loncommon::content_type($r,'text/html');
1.1 www 190: $r->send_http_header;
191: # ----------------------------------------------------- Figure out where we are
192: my $uri=$r->uri;
193: $uri=~s/\/smpedit$//;
1.13 albertel 194: my $symb=&Apache::lonnet::symbread();
1.1 www 195:
1.2 www 196: # ------------------------------------------------ Prefix for everything stored
1.15 albertel 197: $prefix=$env{'request.course.id'}.'.'.$symb.'.0.';
1.26 truskell 198: #------------------------------------------------- Prefix for storing weight of Problem Parts
1.27 truskell 199: my $weightprefix=$env{'request.course.id'}.'.'.$symb.'.';
1.26 truskell 200:
1.1 www 201: # ---------------------------------------------------------- Anything to store?
202:
1.15 albertel 203: if (($symb) && (defined($env{'form.questiontype'}))) {
1.1 www 204: my %storecontent=();
205: undef %storecontent;
1.15 albertel 206: if ($env{'form.questiontype'} eq 'option') {
207: my %curoptions=&evaloptionhash($env{'form.options'});
208: if ($env{'form.delopt'}) {
209: delete $curoptions{$env{'form.delopt'}};
1.2 www 210: }
1.15 albertel 211: if ($env{'form.newopt'}) {
212: $env{'form.newopt'}=~s/\'/\\\'/g;
213: $curoptions{$env{'form.newopt'}}=$env{'form.newopt'};
1.2 www 214: }
1.15 albertel 215: $env{'form.options'}="('".join("','",keys %curoptions)."')";
1.2 www 216: }
1.15 albertel 217: $env{'form.hiddenparts'}='!'.$env{'form.questiontype'};
218: foreach (keys %env) {
1.1 www 219: if ($_=~/^form\.(\w+)$/) {
1.2 www 220: my $parm=$1;
1.15 albertel 221: $storecontent{$prefix.$parm}=$env{'form.'.$parm};
1.2 www 222: $storecontent{$prefix.$parm}=~s/^\s+//s;
223: $storecontent{$prefix.$parm}=~s/\s+$//s;
1.1 www 224: }
225: }
1.26 truskell 226: # ---------------------------------------------------- Set weights of hidden parts to zero
227: # ------------------------------------------------------ and used part to 1
228: $storecontent{$weightprefix.'essay.weight'}=0;
229: $storecontent{$weightprefix.'numerical.weight'}=0;
230: $storecontent{$weightprefix.'option.weight'}=0;
231: $storecontent{$weightprefix.'radio.weight'}=0;
232: $storecontent{$weightprefix.'string.weight'}=0;
233: $storecontent{$weightprefix.$env{'form.questiontype'}.'.weight'}=1;
234:
235:
1.1 www 236: my $reply=&Apache::lonnet::cput
237: ('resourcedata',\%storecontent,
1.15 albertel 238: $env{'course.'.$env{'request.course.id'}.'.domain'},
239: $env{'course.'.$env{'request.course.id'}.'.num'});
1.26 truskell 240:
1.25 www 241: &Apache::lonnet::devalidatecourseresdata(
242: $env{'course.'.$env{'request.course.id'}.'.num'},
243: $env{'course.'.$env{'request.course.id'}.'.domain'});
1.1 www 244:
245: }
1.2 www 246: # ------------------------------------------------------------------- Read Data
247:
248: %qparms=&Apache::lonnet::dump('resourcedata',
1.15 albertel 249: $env{'course.'.$env{'request.course.id'}.'.domain'},
250: $env{'course.'.$env{'request.course.id'}.'.num'},
251: $env{'request.course.id'}.'.'.$symb);
1.2 www 252:
1.1 www 253: # ------------------------------------------------------------ Print the screen
1.16 albertel 254: my $spell_header=&Apache::lonhtmlcommon::spellheader();
1.17 albertel 255: $r->print(&Apache::loncommon::start_page('Simple Problem Editor',
256: $spell_header));
1.1 www 257: if ($symb) {
1.29 bisitz 258: my $title='<h1>'.&Apache::lonnet::gettitle($symb).'</h1>';
1.20 raeburn 259: my $displaylink = &get_parent_uri($symb);
1.21 bisitz 260: if ($displaylink ne '') {
1.23 bisitz 261: my $functions=&Apache::lonhtmlcommon::start_funclist()
262: .&Apache::lonhtmlcommon::add_item_funclist(
263: '<a href="'.$displaylink.'">'
264: .&mt('Student View').'</a>')
265: .&Apache::lonhtmlcommon::end_funclist();
1.29 bisitz 266: $r->print(&Apache::loncommon::head_subbox($functions)
267: .$title);
1.20 raeburn 268: } else {
1.29 bisitz 269: $r->print($title
270: .'<p class="LC_error">'
1.21 bisitz 271: .&mt('An error occurred retrieving the link to this problem.')
272: .'<br />'
273: .&mt('You may need to [_1]re-select the course[_2] and then return to this resource to view it.'
274: ,'<a href="/adm/roles">','</a>')
275: .'</p>'
276: );
1.20 raeburn 277: }
1.23 bisitz 278: $r->print('<p class="LC_warning">'
279: .&mt('Note: it can take up to 10 minutes for changes to take effect for all users.')
280: .&Apache::loncommon::help_open_topic('Caching')
281: .'</p>'
282: );
1.21 bisitz 283:
1.29 bisitz 284: $r->print(
285: '<div class="LC_Box">'
286: .&rawrendering($symb)
287: .'</div>'
288: );
1.22 bisitz 289: $r->print('<form name="simpleedit" method="post">');
1.2 www 290: # Question Type
1.30 ! bisitz 291: my %questiontypes=(
! 292: 'radio' => '1 out of N multiple choice (radio button)',
! 293: 'option' => 'Option Response',
! 294: 'string' => 'Short string response',
! 295: 'essay' => 'Essay, open end',
! 296: 'numerical' => 'Numerical Response');
1.2 www 297: $qtype=$qparms{$prefix.'questiontype'};
298: unless (defined($qtype)) { $qtype='radio'; }
299: unless ($questiontypes{$qtype}) { $qtype='radio'; }
1.29 bisitz 300: $r->print(
301: '<fieldset style="width:400px;">'
302: .'<legend>'.&mt('Question Type').'</legend>'
1.30 ! bisitz 303: .&Apache::loncommon::select_form(
! 304: $qtype,
! 305: 'questiontype',
! 306: &Apache::lonlocal::texthash(%questiontypes))
1.29 bisitz 307: .'</fieldset>'
308: );
309: $r->print(
310: '<p>'
311: .'<input type="submit" value="'.&mt('Save and Edit').'" />'
312: .'</p>'
313: );
1.24 www 314: # Script
315: if ($qtype eq 'numerical') {
316: $r->print(&script());
317: }
1.2 www 318: # Question Text
319: $r->print(&questiontext());
320: # Radio, Option ===
321: if (($qtype eq 'radio') || ($qtype eq 'option')) {
322: # Response
323: my $maxfoils=$qparms{$prefix.'maxfoils'};
324: unless (defined($maxfoils)) { $maxfoils=10; }
325: unless ($maxfoils=~/^\d+$/) { $maxfoils=10; }
326: if ($maxfoils<=0) { $maxfoils=10; }
1.30 ! bisitz 327: my %randomizes=(
! 328: 'yes' => 'Display foils in random order',
! 329: 'no' => 'Display foils in order given');
1.2 www 330: my $randomize=$qparms{$prefix.'randomize'};
331: unless (defined($randomize)) { $randomize='yes'; }
332: unless ($randomizes{$randomize}) { $randomize='yes'; }
333: $r->print(
1.29 bisitz 334: '<table bgcolor="#00ee44" cellspacing="4" cellpadding="2" style="width:100%">'.
1.6 www 335: '<tr><td>'.&mt('Max number of foils displayed').
336: ': <input type="text" size="3" name="maxfoils" value="'.$maxfoils.'" /> '.
1.30 ! bisitz 337: &Apache::loncommon::select_form(
! 338: $randomize,
! 339: 'randomize',
! 340: &Apache::lonlocal::texthash(%randomizes)).
1.28 bisitz 341: '</td></tr><tr><td bgcolor="#F0F0F0">');
1.2 www 342: # Option Response: Options
343: if ($qtype eq 'option') {
344: my $options=$qparms{$prefix.'options'};
345: unless (defined($options)) { $options="('true','false')"; }
346: my %optionshash=&evaloptionhash($options);
347: $r->print(
1.29 bisitz 348: '<table bgcolor="#ffcc22" cellspacing="4" cellpadding="2" style="width:100%">'.
1.2 www 349: '<tr><td><input type="hidden" name="options" value="'.
1.9 www 350: $options.'" />'.&mt('Add new option').': '.
1.6 www 351: '<input type="text" name="newopt" size="15" />'.
352: &mt('Delete an option').': '.
1.2 www 353: &Apache::loncommon::select_form('','delopt',('' => '',%optionshash)).
354: '</td></tr><tr><td>');
355: }
356: # Foils
357: for (my $i=1;$i<=10;$i++) {
358: $r->print(&foil($i));
359: }
360: # End Options
361: if ($qtype eq 'option') {
362: $r->print('</td></tr></table>');
363: }
1.1 www 364:
1.2 www 365: # End Response
366: $r->print('</td></tr></table><br />');
1.3 www 367: # Hint
368: $r->print(&hint());
1.2 www 369: }
1.3 www 370: if ($qtype eq 'string') {
371: my %stringtypes=(
372: 'cs' => 'Case sensitive',
373: 'ci' => 'Case Insensitive',
374: 'mc' => 'Multiple Choice, Order of characters unchecked');
375: my $stringanswer=$qparms{$prefix.'stringanswer'};
376: unless (defined($stringanswer)) { $stringanswer=''; }
377: my $stringtype=$qparms{$prefix.'stringtype'};
378: unless (defined($stringtype)) { $stringtype='cs'; }
379: unless ($stringtypes{$stringtype}) { $stringtype='cs'; }
380: $r->print(
1.29 bisitz 381: '<table bgcolor="#00ee44" cellspacing="4" cellpadding="2" style="width:100%">'.
1.25 www 382: '<tr><td><label>'.&mt('Correct answer').': <input type="text" size="20" name="stringanswer" value="'.$stringanswer.'" /></label> '.
1.30 ! bisitz 383: &Apache::loncommon::select_form(
! 384: $stringtype,
! 385: 'stringtype',
! 386: &Apache::lonlocal::texthash(%stringtypes)).
1.3 www 387: '</td></tr></table><br />');
1.2 www 388: # Hint
1.3 www 389: $r->print(&hint());
390: }
1.24 www 391: if ($qtype eq 'numerical') {
392: my $numericalanswer=$qparms{$prefix.'numericalanswer'};
393: unless (defined($numericalanswer)) { $numericalanswer=''; }
1.25 www 394: my $numericaltolerance=$qparms{$prefix.'numericaltolerance'};
395: unless (defined($numericaltolerance)) { $numericaltolerance='5%'; }
396: my $numericalsigfigs=$qparms{$prefix.'numericalsigfigs'};
397: unless (defined($numericalsigfigs)) { $numericalsigfigs='1,15'; }
1.24 www 398:
399: $r->print(
1.29 bisitz 400: '<table bgcolor="#00ee44" cellspacing="4" cellpadding="2" style="width:100%">'.
1.25 www 401: '<tr><td><label>'.&mt('Correct answer').': <input type="text" size="20" name="numericalanswer" value="'.$numericalanswer.'" /></label> '.
402: '<label>'.&mt('Unit').': <input type="text" size="5" name="numericalunit" value="'.$qparms{$prefix.'numericalunit'}.'" /></label> '.
403: '<label>'.&mt('Format').': <input type="text" size="5" name="numericalformat" value="'.$qparms{$prefix.'numericalformat'}.'" /></label> '.
404: '<label>'.&mt('Tolerance').': <input type="text" size="5" name="numericaltolerance" value="'.$numericaltolerance.'" /></label> '.
405: '<label>'.&mt('Significant digits').': <input type="text" size="5" name="numericalsigfigs" value="'.$numericalsigfigs.'" /></label>'.
1.24 www 406: '</td></tr></table><br />');
407: $r->print(&hint());
408: }
1.2 www 409: # Store Button
410: $r->print(
1.12 albertel 411: '<input type="submit" value="'.&mt('Save and Edit').'" /></form>');
1.1 www 412: } else {
1.6 www 413: $r->print(&mt('Could not identify problem.'));
1.1 www 414: }
1.17 albertel 415: $r->print(&Apache::loncommon::end_page());
1.1 www 416: return OK;
417: }
418:
419: 1;
420: __END__
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