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