Annotation of loncom/homework/lonsimpleproblemedit.pm, revision 1.20.2.2
1.1 www 1: # The LearningOnline Network
2: # Simple Problem Parameter Setting "Editor"
3: #
1.20.2.2! raeburn 4: # $Id: lonsimpleproblemedit.pm,v 1.20.2.1 2009/08/12 21:22:40 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 $number=shift;
113: my %values='';
114: if ($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: }
131: my $selectvalue=&Apache::loncommon::select_form
132: ($value,'value'.$number,%values);
133: my $selectposition=&Apache::loncommon::select_form
134: ($position,'position'.$number,%positions);
1.2 www 135: my $text=$qparms{$prefix.'text'.$number};
1.9 www 136: my %lt=&Apache::lonlocal::texthash('foil' => 'Foil',
137: 'value' => 'Value',
138: 'pos' => 'Position',
139: 'text' => 'Text');
140:
1.16 albertel 141: my $spell_link=
142: &Apache::lonhtmlcommon::spelllink('simpleedit',"text$number");
1.1 www 143: return (<<ENDFOIL);
144: <table bgcolor="#dd55ff" cellspacing="4" cellpadding="2">
1.9 www 145: <tr><td colspan="2"><b>$lt{'foil'}</b></td></tr>
1.10 www 146: <tr><td>$lt{'value'}: $selectvalue</td><td>$lt{'pos'}: $selectposition</td></tr>
1.9 www 147: <tr><td colspan="2">$lt{'text'}:<br />
1.14 albertel 148: <textarea style="width:100%" name="text$number" cols="80" rows="4">$text</textarea>
1.16 albertel 149: <br />$spell_link
1.1 www 150: </td></tr>
151: </table>
152: <br />
153: ENDFOIL
154: }
155:
1.13 albertel 156: sub get_parent_uri {
157: my ($cur_symb)=@_;
158: my $navmap = Apache::lonnavmaps::navmap->new();
1.20 raeburn 159: if (defined($navmap)) {
160: my $it = $navmap->getIterator(undef, undef, undef, 1);
161: while ( my $res=$it->next()) {
162: if (ref($res) && $res->symb() eq $cur_symb) { last; }
163: }
164: my ($src,$symb,$anchor)=&Apache::lonnavmaps::getLinkForResource($it->getStack());
165: if (defined($anchor)) { $anchor='#'.$anchor; }
166: return $src.'?symb='.&escape($symb).$anchor;
1.13 albertel 167: }
1.20 raeburn 168: return;
1.13 albertel 169: }
170:
1.1 www 171: sub handler {
172: my $r = shift;
173:
174: if ($r->header_only) {
1.6 www 175: &Apache::loncommon::content_type($r,'text/html');
1.1 www 176: $r->send_http_header;
177: return OK;
178: }
179:
180: # -------------------------------------------------------------------- Allowed?
1.15 albertel 181: unless (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
1.1 www 182: return HTTP_NOT_ACCEPTABLE;
183: }
184: # ----------------------------------------------------------------- Send header
1.6 www 185: &Apache::loncommon::content_type($r,'text/html');
1.1 www 186: $r->send_http_header;
187: # ----------------------------------------------------- Figure out where we are
188: my $uri=$r->uri;
189: $uri=~s/\/smpedit$//;
1.13 albertel 190: my $symb=&Apache::lonnet::symbread();
1.1 www 191:
1.2 www 192: # ------------------------------------------------ Prefix for everything stored
1.15 albertel 193: $prefix=$env{'request.course.id'}.'.'.$symb.'.0.';
1.20.2.2! raeburn 194: #----------------------------------- Prefix for storing weight of Problem Parts
! 195: my $weightprefix=$env{'request.course.id'}.'.'.$symb.'.';
1.1 www 196: # ---------------------------------------------------------- Anything to store?
197:
1.15 albertel 198: if (($symb) && (defined($env{'form.questiontype'}))) {
1.1 www 199: my %storecontent=();
200: undef %storecontent;
1.15 albertel 201: if ($env{'form.questiontype'} eq 'option') {
202: my %curoptions=&evaloptionhash($env{'form.options'});
203: if ($env{'form.delopt'}) {
204: delete $curoptions{$env{'form.delopt'}};
1.2 www 205: }
1.15 albertel 206: if ($env{'form.newopt'}) {
207: $env{'form.newopt'}=~s/\'/\\\'/g;
208: $curoptions{$env{'form.newopt'}}=$env{'form.newopt'};
1.2 www 209: }
1.15 albertel 210: $env{'form.options'}="('".join("','",keys %curoptions)."')";
1.2 www 211: }
1.15 albertel 212: $env{'form.hiddenparts'}='!'.$env{'form.questiontype'};
213: foreach (keys %env) {
1.1 www 214: if ($_=~/^form\.(\w+)$/) {
1.2 www 215: my $parm=$1;
1.15 albertel 216: $storecontent{$prefix.$parm}=$env{'form.'.$parm};
1.2 www 217: $storecontent{$prefix.$parm}=~s/^\s+//s;
218: $storecontent{$prefix.$parm}=~s/\s+$//s;
1.1 www 219: }
220: }
1.20.2.2! raeburn 221: # ---------------------------------------------------- Set weights of hidden parts to zero
! 222: # ------------------------------------------------------ and used part to 1
! 223: $storecontent{$weightprefix.'essay.weight'}=0;
! 224: $storecontent{$weightprefix.'numerical.weight'}=0;
! 225: $storecontent{$weightprefix.'option.weight'}=0;
! 226: $storecontent{$weightprefix.'radio.weight'}=0;
! 227: $storecontent{$weightprefix.'string.weight'}=0;
! 228: $storecontent{$weightprefix.$env{'form.questiontype'}.'.weight'}=1;
! 229:
1.1 www 230: my $reply=&Apache::lonnet::cput
231: ('resourcedata',\%storecontent,
1.15 albertel 232: $env{'course.'.$env{'request.course.id'}.'.domain'},
233: $env{'course.'.$env{'request.course.id'}.'.num'});
1.1 www 234: }
1.20.2.2! raeburn 235:
! 236: &Apache::lonnet::devalidatecourseresdata(
! 237: $env{'course.'.$env{'request.course.id'}.'.num'},
! 238: $env{'course.'.$env{'request.course.id'}.'.domain'});
1.2 www 239: # ------------------------------------------------------------------- Read Data
240:
241: %qparms=&Apache::lonnet::dump('resourcedata',
1.15 albertel 242: $env{'course.'.$env{'request.course.id'}.'.domain'},
243: $env{'course.'.$env{'request.course.id'}.'.num'},
244: $env{'request.course.id'}.'.'.$symb);
1.2 www 245:
1.1 www 246: # ------------------------------------------------------------ Print the screen
1.16 albertel 247: my $spell_header=&Apache::lonhtmlcommon::spellheader();
1.17 albertel 248: $r->print(&Apache::loncommon::start_page('Simple Problem Editor',
249: $spell_header));
1.1 www 250: if ($symb) {
251: $r->print('<h1>'.&Apache::lonnet::gettitle($symb).'</h1>');
1.20 raeburn 252: $r->print('<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>');
253: my $displaylink = &get_parent_uri($symb);
254: if ($displaylink ne '') {
255: $r->print('<a href="'.$displaylink.'">'.&mt('Student View').'</a> - ');
256: } else {
257: $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 />');
258: }
259: $r->print(&mt('Note: it can take up to 10 minutes for changes to take effect for all users.').
1.12 albertel 260: &Apache::loncommon::help_open_topic('Caching').'</td></tr></table>');
1.2 www 261: $r->print('<table border="2" bgcolor="#FFFFFF" width="100%"><tr><td>'.
1.11 albertel 262: &rawrendering($symb).
1.2 www 263: '</td></tr></table><br />');
1.20.2.1 raeburn 264: $r->print('<form name="simpleedit" method="post">');
1.2 www 265: # Question Type
266: my %questiontypes=('radio' =>
267: '1 out of N multiple choice (radio button)',
1.3 www 268: 'option' => 'Option response',
269: 'string' => 'Short string response',
1.20.2.2! raeburn 270: 'essay' => 'Essay, open end',
! 271: 'numerical' => 'Numerical response');
! 272:
1.2 www 273: $qtype=$qparms{$prefix.'questiontype'};
274: unless (defined($qtype)) { $qtype='radio'; }
275: unless ($questiontypes{$qtype}) { $qtype='radio'; }
1.9 www 276: $r->print('<b>'.&mt('Question Type').
277: ': '.&Apache::loncommon::select_form
1.2 www 278: ($qtype,'questiontype',%questiontypes).
1.12 albertel 279: '</b><br /><input type="submit" value="'.&mt('Save and Edit').
1.6 www 280: '" /><p> </p>');
1.20.2.2! raeburn 281: # Script
! 282: if ($qtype eq 'numerical') {
! 283: $r->print(&script());
! 284: }
1.2 www 285: # Question Text
286: $r->print(&questiontext());
287: # Radio, Option ===
288: if (($qtype eq 'radio') || ($qtype eq 'option')) {
289: # Response
290: my $maxfoils=$qparms{$prefix.'maxfoils'};
291: unless (defined($maxfoils)) { $maxfoils=10; }
292: unless ($maxfoils=~/^\d+$/) { $maxfoils=10; }
293: if ($maxfoils<=0) { $maxfoils=10; }
294: my %randomizes=('yes' => 'Display foils in random order',
295: 'no' => 'Display foils in order given');
296: my $randomize=$qparms{$prefix.'randomize'};
297: unless (defined($randomize)) { $randomize='yes'; }
298: unless ($randomizes{$randomize}) { $randomize='yes'; }
299: $r->print(
300: '<table bgcolor="#00ee44" cellspacing="4" cellpadding="2">'.
1.6 www 301: '<tr><td>'.&mt('Max number of foils displayed').
302: ': <input type="text" size="3" name="maxfoils" value="'.$maxfoils.'" /> '.
1.2 www 303: &Apache::loncommon::select_form
304: ($randomize,'randomize',%randomizes).
305: '</td></tr><tr><td bgcolor="#AAAAAA">');
306: # Option Response: Options
307: if ($qtype eq 'option') {
308: my $options=$qparms{$prefix.'options'};
309: unless (defined($options)) { $options="('true','false')"; }
310: my %optionshash=&evaloptionhash($options);
311: $r->print(
312: '<table bgcolor="#ffcc22" cellspacing="4" cellpadding="2">'.
313: '<tr><td><input type="hidden" name="options" value="'.
1.9 www 314: $options.'" />'.&mt('Add new option').': '.
1.6 www 315: '<input type="text" name="newopt" size="15" />'.
316: &mt('Delete an option').': '.
1.2 www 317: &Apache::loncommon::select_form('','delopt',('' => '',%optionshash)).
318: '</td></tr><tr><td>');
319: }
320: # Foils
321: for (my $i=1;$i<=10;$i++) {
322: $r->print(&foil($i));
323: }
324: # End Options
325: if ($qtype eq 'option') {
326: $r->print('</td></tr></table>');
327: }
1.1 www 328:
1.2 www 329: # End Response
330: $r->print('</td></tr></table><br />');
1.3 www 331: # Hint
332: $r->print(&hint());
1.2 www 333: }
1.3 www 334: if ($qtype eq 'string') {
335: my %stringtypes=(
336: 'cs' => 'Case sensitive',
337: 'ci' => 'Case Insensitive',
338: 'mc' => 'Multiple Choice, Order of characters unchecked');
339: my $stringanswer=$qparms{$prefix.'stringanswer'};
340: unless (defined($stringanswer)) { $stringanswer=''; }
341: my $stringtype=$qparms{$prefix.'stringtype'};
342: unless (defined($stringtype)) { $stringtype='cs'; }
343: unless ($stringtypes{$stringtype}) { $stringtype='cs'; }
344: $r->print(
345: '<table bgcolor="#00ee44" cellspacing="4" cellpadding="2">'.
1.20.2.2! raeburn 346: '<tr><td><label>'.&mt('Correct answer').': <input type="text" size="20" name="stringanswer" value="'.$stringanswer.'" /></label> '.
1.3 www 347: &Apache::loncommon::select_form
348: ($stringtype,'stringtype',%stringtypes).
349: '</td></tr></table><br />');
1.2 www 350: # Hint
1.3 www 351: $r->print(&hint());
352: }
1.20.2.2! raeburn 353: if ($qtype eq 'numerical') {
! 354: my $numericalanswer=$qparms{$prefix.'numericalanswer'};
! 355: unless (defined($numericalanswer)) { $numericalanswer=''; }
! 356: my $numericaltolerance=$qparms{$prefix.'numericaltolerance'};
! 357: unless (defined($numericaltolerance)) { $numericaltolerance='5%'; }
! 358: my $numericalsigfigs=$qparms{$prefix.'numericalsigfigs'};
! 359: unless (defined($numericalsigfigs)) { $numericalsigfigs='1,15'; }
! 360:
! 361: $r->print(
! 362: '<table bgcolor="#00ee44" cellspacing="4" cellpadding="2">'.
! 363: '<tr><td><label>'.&mt('Correct answer').': <input type="text" size="20" name="numericalanswer" value="'.$numericalanswer.'" /></label> '.
! 364: '<label>'.&mt('Unit').': <input type="text" size="5" name="numericalunit" value="'.$qparms{$prefix.'numericalunit'}.'" /></label> '.
! 365: '<label>'.&mt('Format').': <input type="text" size="5" name="numericalformat" value="'.$qparms{$prefix.'numericalformat'}.'" /></label> '.
! 366: '<label>'.&mt('Tolerance').': <input type="text" size="5" name="numericaltolerance" value="'.$numericaltolerance.'" /></label> '.
! 367: '<label>'.&mt('Significant digits').': <input type="text" size="5" name="numericalsigfigs" value="'.$numericalsigfigs.'" /></label>'.
! 368: '</td></tr></table><br />');
! 369: $r->print(&hint());
! 370: }
1.2 www 371: # Store Button
372: $r->print(
1.12 albertel 373: '<input type="submit" value="'.&mt('Save and Edit').'" /></form>');
1.1 www 374: } else {
1.6 www 375: $r->print(&mt('Could not identify problem.'));
1.1 www 376: }
1.17 albertel 377: $r->print(&Apache::loncommon::end_page());
1.1 www 378: return OK;
379: }
380:
381: 1;
382: __END__
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