Annotation of loncom/homework/lonsimpleproblemedit.pm, revision 1.9
1.1 www 1: # The LearningOnline Network
2: # Simple Problem Parameter Setting "Editor"
3: #
1.9 ! www 4: # $Id: lonsimpleproblemedit.pm,v 1.8 2003/11/04 19:18:16 www 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;
1.1 www 36:
1.2 www 37: my %qparms;
38: my $prefix;
39: my $qtype;
40:
41: sub evaloptionhash {
42: my $options=shift;
43: $options=~s/^\(\'//;
44: $options=~s/\'\)$//;
45: my %returnhash=();
46: foreach (split(/\'\,\'/,$options)) {
47: $returnhash{$_}=$_;
48: }
49: return %returnhash;
50: }
51:
52: sub rawrendering {
53: my ($request,$uri)=@_;
54: my $problem=&Apache::lonnet::getfile
55: (&Apache::lonnet::filelocation('',$uri));
56: &Apache::lonnet::devalidatecourseresdata(
57: $ENV{'course.'.$ENV{'request.course.id'}.'.num'},
58: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'});
59: my $uname=$ENV{'user.name'};
60: my $udom=$ENV{'user.domain'};
61: $ENV{'user.name'}=time;
62: $ENV{'user.domain'}=time;
63: my $result = &Apache::lonxml::xmlparse($request,'web', $problem);
1.8 www 64: undef($Apache::lonhomework::parsing_a_problem);
1.2 www 65: $ENV{'user.name'}=$uname;
66: $ENV{'user.domain'}=$udom;
67: $result=~s/^.*\<body[^\>]*\>//si;
68: $result=~s/\<\/body[^\>]*\>.*$//si;
69: return $result;
70: }
71:
1.1 www 72: sub questiontext {
1.2 www 73: my $text=$qparms{$prefix.'questiontext'};
1.9 ! www 74: my $qt=&mt('Question Text');
1.1 www 75: return (<<ENDQUESTION);
76: <table bgcolor="#dddd22" cellspacing="4" cellpadding="2">
1.9 ! www 77: <tr><td><b>$qt</b><br />
1.1 www 78: <textarea name="questiontext" cols="80" rows="8">$text</textarea>
79: </td></tr>
80: </table>
81: <br />
82: ENDQUESTION
83: }
84:
85: sub hint {
1.2 www 86: my $text=$qparms{$prefix.'hinttext'};
1.9 ! www 87: my $ht=&mt('Hint Text');
1.1 www 88: return (<<ENDHINT);
89: <table bgcolor="#accacc" cellspacing="4" cellpadding="2">
1.9 ! www 90: <tr><td><b>$ht</b><br />
1.1 www 91: <textarea name="hinttext" cols="80" rows="4">$text</textarea>
92: </td></tr>
93: </table>
94: <br />
95: ENDHINT
96: }
97:
98: sub foil {
1.2 www 99: my $number=shift;
100: my %values='';
101: if ($qtype eq 'radio') {
102: %values=('true' => 'True', 'false' => 'False');
103: } elsif ($qtype eq 'option') {
104: %values=&evaloptionhash($qparms{$prefix.'options'});
105: }
1.1 www 106: $values{'unused'}='Not shown, not used';
1.2 www 107: my $value=$qparms{$prefix.'value'.$number};
1.1 www 108: unless (defined($value)) { $value='unused'; }
109: unless ($values{$value}) { $value='unused'; }
1.2 www 110: my $position=$qparms{$prefix.'position'.$number};
1.1 www 111: my %positions=('random' => 'Random position',
112: 'top' => 'Show always at top position',
113: 'bottom' => 'Show always at bottom position');
114: unless (defined($position)) { $position='random'; }
115: unless ($positions{$position}) {
116: $position='random';
117: }
118: my $selectvalue=&Apache::loncommon::select_form
119: ($value,'value'.$number,%values);
120: my $selectposition=&Apache::loncommon::select_form
121: ($position,'position'.$number,%positions);
1.2 www 122: my $text=$qparms{$prefix.'text'.$number};
1.9 ! www 123: my %lt=&Apache::lonlocal::texthash('foil' => 'Foil',
! 124: 'value' => 'Value',
! 125: 'pos' => 'Position',
! 126: 'text' => 'Text');
! 127:
1.1 www 128: return (<<ENDFOIL);
129: <table bgcolor="#dd55ff" cellspacing="4" cellpadding="2">
1.9 ! www 130: <tr><td colspan="2"><b>$lt{'foil'}</b></td></tr>
! 131: <tr><td>$lt{'value'}: $selectvalue</td><td>$lt{'position'}: $selectposition</td></tr>
! 132: <tr><td colspan="2">$lt{'text'}:<br />
1.1 www 133: <textarea name="text$number" cols="80" rows="4">$text</textarea>
134: </td></tr>
135: </table>
136: <br />
137: ENDFOIL
138: }
139:
140: sub handler {
141: my $r = shift;
142:
143: if ($r->header_only) {
1.6 www 144: &Apache::loncommon::content_type($r,'text/html');
1.1 www 145: $r->send_http_header;
146: return OK;
147: }
148:
149: # -------------------------------------------------------------------- Allowed?
1.5 www 150: unless (&Apache::lonnet::allowed('mdc',$ENV{'request.course.id'})) {
1.1 www 151: return HTTP_NOT_ACCEPTABLE;
152: }
153: # ----------------------------------------------------------------- Send header
1.6 www 154: &Apache::loncommon::content_type($r,'text/html');
1.1 www 155: $r->send_http_header;
156: # ----------------------------------------------------- Figure out where we are
157: my $uri=$r->uri;
158: $uri=~s/\/smpedit$//;
159: my $symb=&Apache::lonnet::symbread($uri);
160:
1.2 www 161: # ------------------------------------------------ Prefix for everything stored
162: $prefix=$ENV{'request.course.id'}.'.'.$symb.'.0.';
1.1 www 163: # ---------------------------------------------------------- Anything to store?
164:
1.2 www 165: if (($symb) && (defined($ENV{'form.questiontype'}))) {
1.1 www 166: my %storecontent=();
167: undef %storecontent;
1.2 www 168: if ($ENV{'form.questiontype'} eq 'option') {
169: my %curoptions=&evaloptionhash($ENV{'form.options'});
170: if ($ENV{'form.delopt'}) {
171: delete $curoptions{$ENV{'form.delopt'}};
172: }
173: if ($ENV{'form.newopt'}) {
174: $ENV{'form.newopt'}=~s/\'/\\\'/g;
175: $curoptions{$ENV{'form.newopt'}}=$ENV{'form.newopt'};
176: }
177: $ENV{'form.options'}="('".join("','",keys %curoptions)."')";
178: }
1.7 www 179: $ENV{'form.hiddenparts'}='!'.$ENV{'form.questiontype'};
1.1 www 180: foreach (keys %ENV) {
181: if ($_=~/^form\.(\w+)$/) {
1.2 www 182: my $parm=$1;
183: $storecontent{$prefix.$parm}=$ENV{'form.'.$parm};
184: $storecontent{$prefix.$parm}=~s/^\s+//s;
185: $storecontent{$prefix.$parm}=~s/\s+$//s;
1.1 www 186: }
187: }
188: my $reply=&Apache::lonnet::cput
189: ('resourcedata',\%storecontent,
190: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
191: $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
192:
193: }
1.2 www 194: # ------------------------------------------------------------------- Read Data
195:
196: %qparms=&Apache::lonnet::dump('resourcedata',
197: $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
198: $ENV{'course.'.$ENV{'request.course.id'}.'.num'},
199: $ENV{'request.course.id'}.'.'.$symb);
200:
1.1 www 201: # ------------------------------------------------------------ Print the screen
202: $r->print(<<ENDDOCUMENT);
203: <html>
204: <head>
205: <title>The LearningOnline Network with CAPA</title>
206: ENDDOCUMENT
207: $r->print(&Apache::loncommon::bodytag('Simple Problem Editor'));
208: if ($symb) {
209: $r->print('<h1>'.&Apache::lonnet::gettitle($symb).'</h1>');
1.2 www 210: $r->print('<table border="2" bgcolor="#FFFFFF" width="100%"><tr><td>'.
211: &rawrendering($r,$uri).
212: '</td></tr></table><br />');
213: $r->print('<form method="post">');
214: # Question Type
215: my %questiontypes=('radio' =>
216: '1 out of N multiple choice (radio button)',
1.3 www 217: 'option' => 'Option response',
218: 'string' => 'Short string response',
219: 'essay' => 'Essay, open end');
1.2 www 220: $qtype=$qparms{$prefix.'questiontype'};
221: unless (defined($qtype)) { $qtype='radio'; }
222: unless ($questiontypes{$qtype}) { $qtype='radio'; }
1.9 ! www 223: $r->print('<b>'.&mt('Question Type').
! 224: ': '.&Apache::loncommon::select_form
1.2 www 225: ($qtype,'questiontype',%questiontypes).
1.6 www 226: '</b><br /><input type="submit" value="'.&mt('Store Changes').
227: '" /><p> </p>');
1.2 www 228: # Question Text
229: $r->print(&questiontext());
230: # Radio, Option ===
231: if (($qtype eq 'radio') || ($qtype eq 'option')) {
232: # Response
233: my $maxfoils=$qparms{$prefix.'maxfoils'};
234: unless (defined($maxfoils)) { $maxfoils=10; }
235: unless ($maxfoils=~/^\d+$/) { $maxfoils=10; }
236: if ($maxfoils<=0) { $maxfoils=10; }
237: my %randomizes=('yes' => 'Display foils in random order',
238: 'no' => 'Display foils in order given');
239: my $randomize=$qparms{$prefix.'randomize'};
240: unless (defined($randomize)) { $randomize='yes'; }
241: unless ($randomizes{$randomize}) { $randomize='yes'; }
242: $r->print(
243: '<table bgcolor="#00ee44" cellspacing="4" cellpadding="2">'.
1.6 www 244: '<tr><td>'.&mt('Max number of foils displayed').
245: ': <input type="text" size="3" name="maxfoils" value="'.$maxfoils.'" /> '.
1.2 www 246: &Apache::loncommon::select_form
247: ($randomize,'randomize',%randomizes).
248: '</td></tr><tr><td bgcolor="#AAAAAA">');
249: # Option Response: Options
250: if ($qtype eq 'option') {
251: my $options=$qparms{$prefix.'options'};
252: unless (defined($options)) { $options="('true','false')"; }
253: my %optionshash=&evaloptionhash($options);
254: $r->print(
255: '<table bgcolor="#ffcc22" cellspacing="4" cellpadding="2">'.
256: '<tr><td><input type="hidden" name="options" value="'.
1.9 ! www 257: $options.'" />'.&mt('Add new option').': '.
1.6 www 258: '<input type="text" name="newopt" size="15" />'.
259: &mt('Delete an option').': '.
1.2 www 260: &Apache::loncommon::select_form('','delopt',('' => '',%optionshash)).
261: '</td></tr><tr><td>');
262: }
263: # Foils
264: for (my $i=1;$i<=10;$i++) {
265: $r->print(&foil($i));
266: }
267: # End Options
268: if ($qtype eq 'option') {
269: $r->print('</td></tr></table>');
270: }
1.1 www 271:
1.2 www 272: # End Response
273: $r->print('</td></tr></table><br />');
1.3 www 274: # Hint
275: $r->print(&hint());
1.2 www 276: }
1.3 www 277: if ($qtype eq 'string') {
278: my %stringtypes=(
279: 'cs' => 'Case sensitive',
280: 'ci' => 'Case Insensitive',
281: 'mc' => 'Multiple Choice, Order of characters unchecked');
282: my $stringanswer=$qparms{$prefix.'stringanswer'};
283: unless (defined($stringanswer)) { $stringanswer=''; }
284: my $stringtype=$qparms{$prefix.'stringtype'};
285: unless (defined($stringtype)) { $stringtype='cs'; }
286: unless ($stringtypes{$stringtype}) { $stringtype='cs'; }
287: $r->print(
288: '<table bgcolor="#00ee44" cellspacing="4" cellpadding="2">'.
1.6 www 289: '<tr><td>'.&mt('Correct answer').': <input type="text" size="20" name="stringanswer" value="'.$stringanswer.'" /> '.
1.3 www 290: &Apache::loncommon::select_form
291: ($stringtype,'stringtype',%stringtypes).
292: '</td></tr></table><br />');
1.2 www 293: # Hint
1.3 www 294: $r->print(&hint());
295: }
1.2 www 296: # Store Button
297: $r->print(
1.6 www 298: '<input type="submit" value="'.&mt('Store Changes').'" /></form>');
1.1 www 299: } else {
1.6 www 300: $r->print(&mt('Could not identify problem.'));
1.1 www 301: }
302: $r->print('</body></html>');
303: return OK;
304: }
305:
306: 1;
307: __END__
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