1: # The LearningOnline Network
2: # Simple Problem Parameter Setting "Editor"
3: #
4: # $Id: lonsimpleproblemedit.pm,v 1.18 2006/05/30 12:45:37 www Exp $
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;
35: use Apache::lonlocal;
36: use Apache::lonnavmaps;
37: use lib '/home/httpd/lib/perl/';
38: use LONCAPA;
39:
40:
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: $returnhash{$_}=$_;
52: }
53: return %returnhash;
54: }
55:
56: sub rawrendering {
57: my ($symb)=@_;
58: my %data=('show_errors'=>'on',
59: 'simple_edit_button' => 'off',
60: 'devalidatecourseresdata'=>'on');
61: return &Apache::loncommon::get_student_view($symb,time,time,
62: $env{'request.course.id'},
63: 'web',\%data);
64: }
65:
66: sub questiontext {
67: my $text=$qparms{$prefix.'questiontext'};
68: my $qt=&mt('Question Text');
69: my $spell_link=
70: &Apache::lonhtmlcommon::spelllink('simpleedit','questiontext');
71: return (<<ENDQUESTION);
72: <table bgcolor="#dddd22" cellspacing="4" cellpadding="2">
73: <tr><td><b>$qt</b><br />
74: <textarea style="width:100%" name="questiontext" cols="80" rows="8">$text</textarea>
75: <br />$spell_link
76: </td></tr>
77: </table>
78: <br />
79: ENDQUESTION
80: }
81:
82: sub hint {
83: my $text=$qparms{$prefix.'hinttext'};
84: my $ht=&mt('Hint Text');
85: my $spell_link=
86: &Apache::lonhtmlcommon::spelllink('simpleedit','hinttext');
87: return (<<ENDHINT);
88: <table bgcolor="#accacc" cellspacing="4" cellpadding="2">
89: <tr><td><b>$ht</b><br />
90: <textarea style="width:100%" name="hinttext" cols="80" rows="4">$text</textarea>
91: <br />$spell_link
92: </td></tr>
93: </table>
94: <br />
95: ENDHINT
96: }
97:
98: sub foil {
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: }
106: $values{'unused'}='Not shown, not used';
107: my $value=$qparms{$prefix.'value'.$number};
108: unless (defined($value)) { $value='unused'; }
109: unless ($values{$value}) { $value='unused'; }
110: my $position=$qparms{$prefix.'position'.$number};
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);
122: my $text=$qparms{$prefix.'text'.$number};
123: my %lt=&Apache::lonlocal::texthash('foil' => 'Foil',
124: 'value' => 'Value',
125: 'pos' => 'Position',
126: 'text' => 'Text');
127:
128: my $spell_link=
129: &Apache::lonhtmlcommon::spelllink('simpleedit',"text$number");
130: return (<<ENDFOIL);
131: <table bgcolor="#dd55ff" cellspacing="4" cellpadding="2">
132: <tr><td colspan="2"><b>$lt{'foil'}</b></td></tr>
133: <tr><td>$lt{'value'}: $selectvalue</td><td>$lt{'pos'}: $selectposition</td></tr>
134: <tr><td colspan="2">$lt{'text'}:<br />
135: <textarea style="width:100%" name="text$number" cols="80" rows="4">$text</textarea>
136: <br />$spell_link
137: </td></tr>
138: </table>
139: <br />
140: ENDFOIL
141: }
142:
143: sub get_parent_uri {
144: my ($cur_symb)=@_;
145: my $navmap = Apache::lonnavmaps::navmap->new();
146: my $it = $navmap->getIterator(undef, undef, undef, 1);
147: while ( my $res=$it->next()) {
148: if (ref($res) && $res->symb() eq $cur_symb) { last; }
149: }
150: my ($src,$symb,$anchor)=&Apache::lonnavmaps::getLinkForResource($it->getStack());
151: if (defined($anchor)) { $anchor='#'.$anchor; }
152: return $src.'?symb='.&escape($symb).$anchor;
153: }
154:
155: sub handler {
156: my $r = shift;
157:
158: if ($r->header_only) {
159: &Apache::loncommon::content_type($r,'text/html');
160: $r->send_http_header;
161: return OK;
162: }
163:
164: # -------------------------------------------------------------------- Allowed?
165: unless (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
166: return HTTP_NOT_ACCEPTABLE;
167: }
168: # ----------------------------------------------------------------- Send header
169: &Apache::loncommon::content_type($r,'text/html');
170: $r->send_http_header;
171: # ----------------------------------------------------- Figure out where we are
172: my $uri=$r->uri;
173: $uri=~s/\/smpedit$//;
174: my $symb=&Apache::lonnet::symbread();
175:
176: # ------------------------------------------------ Prefix for everything stored
177: $prefix=$env{'request.course.id'}.'.'.$symb.'.0.';
178: # ---------------------------------------------------------- Anything to store?
179:
180: if (($symb) && (defined($env{'form.questiontype'}))) {
181: my %storecontent=();
182: undef %storecontent;
183: if ($env{'form.questiontype'} eq 'option') {
184: my %curoptions=&evaloptionhash($env{'form.options'});
185: if ($env{'form.delopt'}) {
186: delete $curoptions{$env{'form.delopt'}};
187: }
188: if ($env{'form.newopt'}) {
189: $env{'form.newopt'}=~s/\'/\\\'/g;
190: $curoptions{$env{'form.newopt'}}=$env{'form.newopt'};
191: }
192: $env{'form.options'}="('".join("','",keys %curoptions)."')";
193: }
194: $env{'form.hiddenparts'}='!'.$env{'form.questiontype'};
195: foreach (keys %env) {
196: if ($_=~/^form\.(\w+)$/) {
197: my $parm=$1;
198: $storecontent{$prefix.$parm}=$env{'form.'.$parm};
199: $storecontent{$prefix.$parm}=~s/^\s+//s;
200: $storecontent{$prefix.$parm}=~s/\s+$//s;
201: }
202: }
203: my $reply=&Apache::lonnet::cput
204: ('resourcedata',\%storecontent,
205: $env{'course.'.$env{'request.course.id'}.'.domain'},
206: $env{'course.'.$env{'request.course.id'}.'.num'});
207:
208: }
209: # ------------------------------------------------------------------- Read Data
210:
211: %qparms=&Apache::lonnet::dump('resourcedata',
212: $env{'course.'.$env{'request.course.id'}.'.domain'},
213: $env{'course.'.$env{'request.course.id'}.'.num'},
214: $env{'request.course.id'}.'.'.$symb);
215:
216: # ------------------------------------------------------------ Print the screen
217: my $spell_header=&Apache::lonhtmlcommon::spellheader();
218: $r->print(&Apache::loncommon::start_page('Simple Problem Editor',
219: $spell_header));
220: if ($symb) {
221: $r->print('<h1>'.&Apache::lonnet::gettitle($symb).'</h1>');
222: $r->print('<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.
223: '<a href="'.&get_parent_uri($symb).'">'.&mt('Student View').'</a> - '.&mt('Note: it can take up to 10 minutes for changes to take effect for all users.').
224: &Apache::loncommon::help_open_topic('Caching').'</td></tr></table>');
225: $r->print('<table border="2" bgcolor="#FFFFFF" width="100%"><tr><td>'.
226: &rawrendering($symb).
227: '</td></tr></table><br />');
228: $r->print('<form name="simpleedit" method="POST">');
229: # Question Type
230: my %questiontypes=('radio' =>
231: '1 out of N multiple choice (radio button)',
232: 'option' => 'Option response',
233: 'string' => 'Short string response',
234: 'essay' => 'Essay, open end');
235: $qtype=$qparms{$prefix.'questiontype'};
236: unless (defined($qtype)) { $qtype='radio'; }
237: unless ($questiontypes{$qtype}) { $qtype='radio'; }
238: $r->print('<b>'.&mt('Question Type').
239: ': '.&Apache::loncommon::select_form
240: ($qtype,'questiontype',%questiontypes).
241: '</b><br /><input type="submit" value="'.&mt('Save and Edit').
242: '" /><p> </p>');
243: # Question Text
244: $r->print(&questiontext());
245: # Radio, Option ===
246: if (($qtype eq 'radio') || ($qtype eq 'option')) {
247: # Response
248: my $maxfoils=$qparms{$prefix.'maxfoils'};
249: unless (defined($maxfoils)) { $maxfoils=10; }
250: unless ($maxfoils=~/^\d+$/) { $maxfoils=10; }
251: if ($maxfoils<=0) { $maxfoils=10; }
252: my %randomizes=('yes' => 'Display foils in random order',
253: 'no' => 'Display foils in order given');
254: my $randomize=$qparms{$prefix.'randomize'};
255: unless (defined($randomize)) { $randomize='yes'; }
256: unless ($randomizes{$randomize}) { $randomize='yes'; }
257: $r->print(
258: '<table bgcolor="#00ee44" cellspacing="4" cellpadding="2">'.
259: '<tr><td>'.&mt('Max number of foils displayed').
260: ': <input type="text" size="3" name="maxfoils" value="'.$maxfoils.'" /> '.
261: &Apache::loncommon::select_form
262: ($randomize,'randomize',%randomizes).
263: '</td></tr><tr><td bgcolor="#AAAAAA">');
264: # Option Response: Options
265: if ($qtype eq 'option') {
266: my $options=$qparms{$prefix.'options'};
267: unless (defined($options)) { $options="('true','false')"; }
268: my %optionshash=&evaloptionhash($options);
269: $r->print(
270: '<table bgcolor="#ffcc22" cellspacing="4" cellpadding="2">'.
271: '<tr><td><input type="hidden" name="options" value="'.
272: $options.'" />'.&mt('Add new option').': '.
273: '<input type="text" name="newopt" size="15" />'.
274: &mt('Delete an option').': '.
275: &Apache::loncommon::select_form('','delopt',('' => '',%optionshash)).
276: '</td></tr><tr><td>');
277: }
278: # Foils
279: for (my $i=1;$i<=10;$i++) {
280: $r->print(&foil($i));
281: }
282: # End Options
283: if ($qtype eq 'option') {
284: $r->print('</td></tr></table>');
285: }
286:
287: # End Response
288: $r->print('</td></tr></table><br />');
289: # Hint
290: $r->print(&hint());
291: }
292: if ($qtype eq 'string') {
293: my %stringtypes=(
294: 'cs' => 'Case sensitive',
295: 'ci' => 'Case Insensitive',
296: 'mc' => 'Multiple Choice, Order of characters unchecked');
297: my $stringanswer=$qparms{$prefix.'stringanswer'};
298: unless (defined($stringanswer)) { $stringanswer=''; }
299: my $stringtype=$qparms{$prefix.'stringtype'};
300: unless (defined($stringtype)) { $stringtype='cs'; }
301: unless ($stringtypes{$stringtype}) { $stringtype='cs'; }
302: $r->print(
303: '<table bgcolor="#00ee44" cellspacing="4" cellpadding="2">'.
304: '<tr><td>'.&mt('Correct answer').': <input type="text" size="20" name="stringanswer" value="'.$stringanswer.'" /> '.
305: &Apache::loncommon::select_form
306: ($stringtype,'stringtype',%stringtypes).
307: '</td></tr></table><br />');
308: # Hint
309: $r->print(&hint());
310: }
311: # Store Button
312: $r->print(
313: '<input type="submit" value="'.&mt('Save and Edit').'" /></form>');
314: } else {
315: $r->print(&mt('Could not identify problem.'));
316: }
317: $r->print(&Apache::loncommon::end_page());
318: return OK;
319: }
320:
321: 1;
322: __END__
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to lonsimpleproblemedit.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / homework