Annotation of loncom/homework/lonsimpleproblemedit.pm, revision 1.17
1.1 www 1: # The LearningOnline Network
2: # Simple Problem Parameter Setting "Editor"
3: #
1.17 ! albertel 4: # $Id: lonsimpleproblemedit.pm,v 1.16 2005/05/26 20:35:53 albertel 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;
1.1 www 37:
1.2 www 38: my %qparms;
39: my $prefix;
40: my $qtype;
41:
42: sub evaloptionhash {
43: my $options=shift;
44: $options=~s/^\(\'//;
45: $options=~s/\'\)$//;
46: my %returnhash=();
47: foreach (split(/\'\,\'/,$options)) {
48: $returnhash{$_}=$_;
49: }
50: return %returnhash;
51: }
52:
53: sub rawrendering {
1.11 albertel 54: my ($symb)=@_;
55: my %data=('show_errors'=>'on',
1.12 albertel 56: 'simple_edit_button' => 'off',
1.11 albertel 57: 'devalidatecourseresdata'=>'on');
58: return &Apache::loncommon::get_student_view($symb,time,time,
1.15 albertel 59: $env{'request.course.id'},
1.11 albertel 60: 'web',\%data);
1.2 www 61: }
62:
1.1 www 63: sub questiontext {
1.2 www 64: my $text=$qparms{$prefix.'questiontext'};
1.9 www 65: my $qt=&mt('Question Text');
1.16 albertel 66: my $spell_link=
67: &Apache::lonhtmlcommon::spelllink('simpleedit','questiontext');
1.1 www 68: return (<<ENDQUESTION);
69: <table bgcolor="#dddd22" cellspacing="4" cellpadding="2">
1.9 www 70: <tr><td><b>$qt</b><br />
1.14 albertel 71: <textarea style="width:100%" name="questiontext" cols="80" rows="8">$text</textarea>
1.16 albertel 72: <br />$spell_link
1.1 www 73: </td></tr>
74: </table>
75: <br />
76: ENDQUESTION
77: }
78:
79: sub hint {
1.2 www 80: my $text=$qparms{$prefix.'hinttext'};
1.9 www 81: my $ht=&mt('Hint Text');
1.16 albertel 82: my $spell_link=
83: &Apache::lonhtmlcommon::spelllink('simpleedit','hinttext');
1.1 www 84: return (<<ENDHINT);
85: <table bgcolor="#accacc" cellspacing="4" cellpadding="2">
1.9 www 86: <tr><td><b>$ht</b><br />
1.14 albertel 87: <textarea style="width:100%" name="hinttext" cols="80" rows="4">$text</textarea>
1.16 albertel 88: <br />$spell_link
1.1 www 89: </td></tr>
90: </table>
91: <br />
92: ENDHINT
93: }
94:
95: sub foil {
1.2 www 96: my $number=shift;
97: my %values='';
98: if ($qtype eq 'radio') {
99: %values=('true' => 'True', 'false' => 'False');
100: } elsif ($qtype eq 'option') {
101: %values=&evaloptionhash($qparms{$prefix.'options'});
102: }
1.1 www 103: $values{'unused'}='Not shown, not used';
1.2 www 104: my $value=$qparms{$prefix.'value'.$number};
1.1 www 105: unless (defined($value)) { $value='unused'; }
106: unless ($values{$value}) { $value='unused'; }
1.2 www 107: my $position=$qparms{$prefix.'position'.$number};
1.1 www 108: my %positions=('random' => 'Random position',
109: 'top' => 'Show always at top position',
110: 'bottom' => 'Show always at bottom position');
111: unless (defined($position)) { $position='random'; }
112: unless ($positions{$position}) {
113: $position='random';
114: }
115: my $selectvalue=&Apache::loncommon::select_form
116: ($value,'value'.$number,%values);
117: my $selectposition=&Apache::loncommon::select_form
118: ($position,'position'.$number,%positions);
1.2 www 119: my $text=$qparms{$prefix.'text'.$number};
1.9 www 120: my %lt=&Apache::lonlocal::texthash('foil' => 'Foil',
121: 'value' => 'Value',
122: 'pos' => 'Position',
123: 'text' => 'Text');
124:
1.16 albertel 125: my $spell_link=
126: &Apache::lonhtmlcommon::spelllink('simpleedit',"text$number");
1.1 www 127: return (<<ENDFOIL);
128: <table bgcolor="#dd55ff" cellspacing="4" cellpadding="2">
1.9 www 129: <tr><td colspan="2"><b>$lt{'foil'}</b></td></tr>
1.10 www 130: <tr><td>$lt{'value'}: $selectvalue</td><td>$lt{'pos'}: $selectposition</td></tr>
1.9 www 131: <tr><td colspan="2">$lt{'text'}:<br />
1.14 albertel 132: <textarea style="width:100%" name="text$number" cols="80" rows="4">$text</textarea>
1.16 albertel 133: <br />$spell_link
1.1 www 134: </td></tr>
135: </table>
136: <br />
137: ENDFOIL
138: }
139:
1.13 albertel 140: sub get_parent_uri {
141: my ($cur_symb)=@_;
142: my $navmap = Apache::lonnavmaps::navmap->new();
143: my $it = $navmap->getIterator(undef, undef, undef, 1);
144: while ( my $res=$it->next()) {
145: if (ref($res) && $res->symb() eq $cur_symb) { last; }
146: }
147: my ($src,$symb,$anchor)=&Apache::lonnavmaps::getLinkForResource($it->getStack());
148: if (defined($anchor)) { $anchor='#'.$anchor; }
149: return $src.'?symb='.&Apache::lonnet::escape($symb).$anchor;
150: }
151:
1.1 www 152: sub handler {
153: my $r = shift;
154:
155: if ($r->header_only) {
1.6 www 156: &Apache::loncommon::content_type($r,'text/html');
1.1 www 157: $r->send_http_header;
158: return OK;
159: }
160:
161: # -------------------------------------------------------------------- Allowed?
1.15 albertel 162: unless (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
1.1 www 163: return HTTP_NOT_ACCEPTABLE;
164: }
165: # ----------------------------------------------------------------- Send header
1.6 www 166: &Apache::loncommon::content_type($r,'text/html');
1.1 www 167: $r->send_http_header;
168: # ----------------------------------------------------- Figure out where we are
169: my $uri=$r->uri;
170: $uri=~s/\/smpedit$//;
1.13 albertel 171: my $symb=&Apache::lonnet::symbread();
1.1 www 172:
1.2 www 173: # ------------------------------------------------ Prefix for everything stored
1.15 albertel 174: $prefix=$env{'request.course.id'}.'.'.$symb.'.0.';
1.1 www 175: # ---------------------------------------------------------- Anything to store?
176:
1.15 albertel 177: if (($symb) && (defined($env{'form.questiontype'}))) {
1.1 www 178: my %storecontent=();
179: undef %storecontent;
1.15 albertel 180: if ($env{'form.questiontype'} eq 'option') {
181: my %curoptions=&evaloptionhash($env{'form.options'});
182: if ($env{'form.delopt'}) {
183: delete $curoptions{$env{'form.delopt'}};
1.2 www 184: }
1.15 albertel 185: if ($env{'form.newopt'}) {
186: $env{'form.newopt'}=~s/\'/\\\'/g;
187: $curoptions{$env{'form.newopt'}}=$env{'form.newopt'};
1.2 www 188: }
1.15 albertel 189: $env{'form.options'}="('".join("','",keys %curoptions)."')";
1.2 www 190: }
1.15 albertel 191: $env{'form.hiddenparts'}='!'.$env{'form.questiontype'};
192: foreach (keys %env) {
1.1 www 193: if ($_=~/^form\.(\w+)$/) {
1.2 www 194: my $parm=$1;
1.15 albertel 195: $storecontent{$prefix.$parm}=$env{'form.'.$parm};
1.2 www 196: $storecontent{$prefix.$parm}=~s/^\s+//s;
197: $storecontent{$prefix.$parm}=~s/\s+$//s;
1.1 www 198: }
199: }
200: my $reply=&Apache::lonnet::cput
201: ('resourcedata',\%storecontent,
1.15 albertel 202: $env{'course.'.$env{'request.course.id'}.'.domain'},
203: $env{'course.'.$env{'request.course.id'}.'.num'});
1.1 www 204:
205: }
1.2 www 206: # ------------------------------------------------------------------- Read Data
207:
208: %qparms=&Apache::lonnet::dump('resourcedata',
1.15 albertel 209: $env{'course.'.$env{'request.course.id'}.'.domain'},
210: $env{'course.'.$env{'request.course.id'}.'.num'},
211: $env{'request.course.id'}.'.'.$symb);
1.2 www 212:
1.1 www 213: # ------------------------------------------------------------ Print the screen
1.16 albertel 214: my $spell_header=&Apache::lonhtmlcommon::spellheader();
1.17 ! albertel 215: $r->print(&Apache::loncommon::start_page('Simple Problem Editor',
! 216: $spell_header));
1.1 www 217: if ($symb) {
218: $r->print('<h1>'.&Apache::lonnet::gettitle($symb).'</h1>');
1.12 albertel 219: $r->print('<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.
1.13 albertel 220: '<a href="'.&get_parent_uri($symb).'">'.&mt('Student View').'</a> - '.&mt('Note: it can take up to 10 minutes for changes to take effect for all users.').
1.12 albertel 221: &Apache::loncommon::help_open_topic('Caching').'</td></tr></table>');
1.2 www 222: $r->print('<table border="2" bgcolor="#FFFFFF" width="100%"><tr><td>'.
1.11 albertel 223: &rawrendering($symb).
1.2 www 224: '</td></tr></table><br />');
1.16 albertel 225: $r->print('<form name="simpleedit" method="POST">');
1.2 www 226: # Question Type
227: my %questiontypes=('radio' =>
228: '1 out of N multiple choice (radio button)',
1.3 www 229: 'option' => 'Option response',
230: 'string' => 'Short string response',
231: 'essay' => 'Essay, open end');
1.2 www 232: $qtype=$qparms{$prefix.'questiontype'};
233: unless (defined($qtype)) { $qtype='radio'; }
234: unless ($questiontypes{$qtype}) { $qtype='radio'; }
1.9 www 235: $r->print('<b>'.&mt('Question Type').
236: ': '.&Apache::loncommon::select_form
1.2 www 237: ($qtype,'questiontype',%questiontypes).
1.12 albertel 238: '</b><br /><input type="submit" value="'.&mt('Save and Edit').
1.6 www 239: '" /><p> </p>');
1.2 www 240: # Question Text
241: $r->print(&questiontext());
242: # Radio, Option ===
243: if (($qtype eq 'radio') || ($qtype eq 'option')) {
244: # Response
245: my $maxfoils=$qparms{$prefix.'maxfoils'};
246: unless (defined($maxfoils)) { $maxfoils=10; }
247: unless ($maxfoils=~/^\d+$/) { $maxfoils=10; }
248: if ($maxfoils<=0) { $maxfoils=10; }
249: my %randomizes=('yes' => 'Display foils in random order',
250: 'no' => 'Display foils in order given');
251: my $randomize=$qparms{$prefix.'randomize'};
252: unless (defined($randomize)) { $randomize='yes'; }
253: unless ($randomizes{$randomize}) { $randomize='yes'; }
254: $r->print(
255: '<table bgcolor="#00ee44" cellspacing="4" cellpadding="2">'.
1.6 www 256: '<tr><td>'.&mt('Max number of foils displayed').
257: ': <input type="text" size="3" name="maxfoils" value="'.$maxfoils.'" /> '.
1.2 www 258: &Apache::loncommon::select_form
259: ($randomize,'randomize',%randomizes).
260: '</td></tr><tr><td bgcolor="#AAAAAA">');
261: # Option Response: Options
262: if ($qtype eq 'option') {
263: my $options=$qparms{$prefix.'options'};
264: unless (defined($options)) { $options="('true','false')"; }
265: my %optionshash=&evaloptionhash($options);
266: $r->print(
267: '<table bgcolor="#ffcc22" cellspacing="4" cellpadding="2">'.
268: '<tr><td><input type="hidden" name="options" value="'.
1.9 www 269: $options.'" />'.&mt('Add new option').': '.
1.6 www 270: '<input type="text" name="newopt" size="15" />'.
271: &mt('Delete an option').': '.
1.2 www 272: &Apache::loncommon::select_form('','delopt',('' => '',%optionshash)).
273: '</td></tr><tr><td>');
274: }
275: # Foils
276: for (my $i=1;$i<=10;$i++) {
277: $r->print(&foil($i));
278: }
279: # End Options
280: if ($qtype eq 'option') {
281: $r->print('</td></tr></table>');
282: }
1.1 www 283:
1.2 www 284: # End Response
285: $r->print('</td></tr></table><br />');
1.3 www 286: # Hint
287: $r->print(&hint());
1.2 www 288: }
1.3 www 289: if ($qtype eq 'string') {
290: my %stringtypes=(
291: 'cs' => 'Case sensitive',
292: 'ci' => 'Case Insensitive',
293: 'mc' => 'Multiple Choice, Order of characters unchecked');
294: my $stringanswer=$qparms{$prefix.'stringanswer'};
295: unless (defined($stringanswer)) { $stringanswer=''; }
296: my $stringtype=$qparms{$prefix.'stringtype'};
297: unless (defined($stringtype)) { $stringtype='cs'; }
298: unless ($stringtypes{$stringtype}) { $stringtype='cs'; }
299: $r->print(
300: '<table bgcolor="#00ee44" cellspacing="4" cellpadding="2">'.
1.6 www 301: '<tr><td>'.&mt('Correct answer').': <input type="text" size="20" name="stringanswer" value="'.$stringanswer.'" /> '.
1.3 www 302: &Apache::loncommon::select_form
303: ($stringtype,'stringtype',%stringtypes).
304: '</td></tr></table><br />');
1.2 www 305: # Hint
1.3 www 306: $r->print(&hint());
307: }
1.2 www 308: # Store Button
309: $r->print(
1.12 albertel 310: '<input type="submit" value="'.&mt('Save and Edit').'" /></form>');
1.1 www 311: } else {
1.6 www 312: $r->print(&mt('Could not identify problem.'));
1.1 www 313: }
1.17 ! albertel 314: $r->print(&Apache::loncommon::end_page());
1.1 www 315: return OK;
316: }
317:
318: 1;
319: __END__
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