Annotation of loncom/homework/lonsimpleproblemedit.pm, revision 1.28
1.1 www 1: # The LearningOnline Network
2: # Simple Problem Parameter Setting "Editor"
3: #
1.28 ! bisitz 4: # $Id: lonsimpleproblemedit.pm,v 1.27 2009/09/25 17:57:06 truskell 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:
1.24 www 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);
1.28 ! bisitz 144: <table bgcolor="#E8D8EE" cellspacing="2" cellpadding="1">
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 />
1.28 ! bisitz 148: <textarea style="width:99%" 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.';
1.26 truskell 194: #------------------------------------------------- Prefix for storing weight of Problem Parts
1.27 truskell 195: my $weightprefix=$env{'request.course.id'}.'.'.$symb.'.';
1.26 truskell 196:
1.1 www 197: # ---------------------------------------------------------- Anything to store?
198:
1.15 albertel 199: if (($symb) && (defined($env{'form.questiontype'}))) {
1.1 www 200: my %storecontent=();
201: undef %storecontent;
1.15 albertel 202: if ($env{'form.questiontype'} eq 'option') {
203: my %curoptions=&evaloptionhash($env{'form.options'});
204: if ($env{'form.delopt'}) {
205: delete $curoptions{$env{'form.delopt'}};
1.2 www 206: }
1.15 albertel 207: if ($env{'form.newopt'}) {
208: $env{'form.newopt'}=~s/\'/\\\'/g;
209: $curoptions{$env{'form.newopt'}}=$env{'form.newopt'};
1.2 www 210: }
1.15 albertel 211: $env{'form.options'}="('".join("','",keys %curoptions)."')";
1.2 www 212: }
1.15 albertel 213: $env{'form.hiddenparts'}='!'.$env{'form.questiontype'};
214: foreach (keys %env) {
1.1 www 215: if ($_=~/^form\.(\w+)$/) {
1.2 www 216: my $parm=$1;
1.15 albertel 217: $storecontent{$prefix.$parm}=$env{'form.'.$parm};
1.2 www 218: $storecontent{$prefix.$parm}=~s/^\s+//s;
219: $storecontent{$prefix.$parm}=~s/\s+$//s;
1.1 www 220: }
221: }
1.26 truskell 222: # ---------------------------------------------------- Set weights of hidden parts to zero
223: # ------------------------------------------------------ and used part to 1
224: $storecontent{$weightprefix.'essay.weight'}=0;
225: $storecontent{$weightprefix.'numerical.weight'}=0;
226: $storecontent{$weightprefix.'option.weight'}=0;
227: $storecontent{$weightprefix.'radio.weight'}=0;
228: $storecontent{$weightprefix.'string.weight'}=0;
229: $storecontent{$weightprefix.$env{'form.questiontype'}.'.weight'}=1;
230:
231:
1.1 www 232: my $reply=&Apache::lonnet::cput
233: ('resourcedata',\%storecontent,
1.15 albertel 234: $env{'course.'.$env{'request.course.id'}.'.domain'},
235: $env{'course.'.$env{'request.course.id'}.'.num'});
1.26 truskell 236:
1.25 www 237: &Apache::lonnet::devalidatecourseresdata(
238: $env{'course.'.$env{'request.course.id'}.'.num'},
239: $env{'course.'.$env{'request.course.id'}.'.domain'});
1.1 www 240:
241: }
1.2 www 242: # ------------------------------------------------------------------- Read Data
243:
244: %qparms=&Apache::lonnet::dump('resourcedata',
1.15 albertel 245: $env{'course.'.$env{'request.course.id'}.'.domain'},
246: $env{'course.'.$env{'request.course.id'}.'.num'},
247: $env{'request.course.id'}.'.'.$symb);
1.2 www 248:
1.1 www 249: # ------------------------------------------------------------ Print the screen
1.16 albertel 250: my $spell_header=&Apache::lonhtmlcommon::spellheader();
1.17 albertel 251: $r->print(&Apache::loncommon::start_page('Simple Problem Editor',
252: $spell_header));
1.1 www 253: if ($symb) {
254: $r->print('<h1>'.&Apache::lonnet::gettitle($symb).'</h1>');
1.20 raeburn 255: my $displaylink = &get_parent_uri($symb);
1.21 bisitz 256: if ($displaylink ne '') {
1.23 bisitz 257: my $functions=&Apache::lonhtmlcommon::start_funclist()
258: .&Apache::lonhtmlcommon::add_item_funclist(
259: '<a href="'.$displaylink.'">'
260: .&mt('Student View').'</a>')
261: .&Apache::lonhtmlcommon::end_funclist();
262: $r->print(&Apache::loncommon::head_subbox($functions));
1.20 raeburn 263: } else {
1.21 bisitz 264: $r->print('<p class="LC_error">'
265: .&mt('An error occurred retrieving the link to this problem.')
266: .'<br />'
267: .&mt('You may need to [_1]re-select the course[_2] and then return to this resource to view it.'
268: ,'<a href="/adm/roles">','</a>')
269: .'</p>'
270: );
1.20 raeburn 271: }
1.23 bisitz 272: $r->print('<p class="LC_warning">'
273: .&mt('Note: it can take up to 10 minutes for changes to take effect for all users.')
274: .&Apache::loncommon::help_open_topic('Caching')
275: .'</p>'
276: );
1.21 bisitz 277:
1.2 www 278: $r->print('<table border="2" bgcolor="#FFFFFF" width="100%"><tr><td>'.
1.11 albertel 279: &rawrendering($symb).
1.2 www 280: '</td></tr></table><br />');
1.22 bisitz 281: $r->print('<form name="simpleedit" method="post">');
1.2 www 282: # Question Type
283: my %questiontypes=('radio' =>
284: '1 out of N multiple choice (radio button)',
1.3 www 285: 'option' => 'Option response',
286: 'string' => 'Short string response',
1.24 www 287: 'essay' => 'Essay, open end',
288: 'numerical' => 'Numerical response');
1.2 www 289: $qtype=$qparms{$prefix.'questiontype'};
290: unless (defined($qtype)) { $qtype='radio'; }
291: unless ($questiontypes{$qtype}) { $qtype='radio'; }
1.9 www 292: $r->print('<b>'.&mt('Question Type').
293: ': '.&Apache::loncommon::select_form
1.2 www 294: ($qtype,'questiontype',%questiontypes).
1.12 albertel 295: '</b><br /><input type="submit" value="'.&mt('Save and Edit').
1.6 www 296: '" /><p> </p>');
1.24 www 297: # Script
298: if ($qtype eq 'numerical') {
299: $r->print(&script());
300: }
1.2 www 301: # Question Text
302: $r->print(&questiontext());
303: # Radio, Option ===
304: if (($qtype eq 'radio') || ($qtype eq 'option')) {
305: # Response
306: my $maxfoils=$qparms{$prefix.'maxfoils'};
307: unless (defined($maxfoils)) { $maxfoils=10; }
308: unless ($maxfoils=~/^\d+$/) { $maxfoils=10; }
309: if ($maxfoils<=0) { $maxfoils=10; }
310: my %randomizes=('yes' => 'Display foils in random order',
311: 'no' => 'Display foils in order given');
312: my $randomize=$qparms{$prefix.'randomize'};
313: unless (defined($randomize)) { $randomize='yes'; }
314: unless ($randomizes{$randomize}) { $randomize='yes'; }
315: $r->print(
316: '<table bgcolor="#00ee44" cellspacing="4" cellpadding="2">'.
1.6 www 317: '<tr><td>'.&mt('Max number of foils displayed').
318: ': <input type="text" size="3" name="maxfoils" value="'.$maxfoils.'" /> '.
1.2 www 319: &Apache::loncommon::select_form
320: ($randomize,'randomize',%randomizes).
1.28 ! bisitz 321: '</td></tr><tr><td bgcolor="#F0F0F0">');
1.2 www 322: # Option Response: Options
323: if ($qtype eq 'option') {
324: my $options=$qparms{$prefix.'options'};
325: unless (defined($options)) { $options="('true','false')"; }
326: my %optionshash=&evaloptionhash($options);
327: $r->print(
328: '<table bgcolor="#ffcc22" cellspacing="4" cellpadding="2">'.
329: '<tr><td><input type="hidden" name="options" value="'.
1.9 www 330: $options.'" />'.&mt('Add new option').': '.
1.6 www 331: '<input type="text" name="newopt" size="15" />'.
332: &mt('Delete an option').': '.
1.2 www 333: &Apache::loncommon::select_form('','delopt',('' => '',%optionshash)).
334: '</td></tr><tr><td>');
335: }
336: # Foils
337: for (my $i=1;$i<=10;$i++) {
338: $r->print(&foil($i));
339: }
340: # End Options
341: if ($qtype eq 'option') {
342: $r->print('</td></tr></table>');
343: }
1.1 www 344:
1.2 www 345: # End Response
346: $r->print('</td></tr></table><br />');
1.3 www 347: # Hint
348: $r->print(&hint());
1.2 www 349: }
1.3 www 350: if ($qtype eq 'string') {
351: my %stringtypes=(
352: 'cs' => 'Case sensitive',
353: 'ci' => 'Case Insensitive',
354: 'mc' => 'Multiple Choice, Order of characters unchecked');
355: my $stringanswer=$qparms{$prefix.'stringanswer'};
356: unless (defined($stringanswer)) { $stringanswer=''; }
357: my $stringtype=$qparms{$prefix.'stringtype'};
358: unless (defined($stringtype)) { $stringtype='cs'; }
359: unless ($stringtypes{$stringtype}) { $stringtype='cs'; }
360: $r->print(
361: '<table bgcolor="#00ee44" cellspacing="4" cellpadding="2">'.
1.25 www 362: '<tr><td><label>'.&mt('Correct answer').': <input type="text" size="20" name="stringanswer" value="'.$stringanswer.'" /></label> '.
1.3 www 363: &Apache::loncommon::select_form
364: ($stringtype,'stringtype',%stringtypes).
365: '</td></tr></table><br />');
1.2 www 366: # Hint
1.3 www 367: $r->print(&hint());
368: }
1.24 www 369: if ($qtype eq 'numerical') {
370: my $numericalanswer=$qparms{$prefix.'numericalanswer'};
371: unless (defined($numericalanswer)) { $numericalanswer=''; }
1.25 www 372: my $numericaltolerance=$qparms{$prefix.'numericaltolerance'};
373: unless (defined($numericaltolerance)) { $numericaltolerance='5%'; }
374: my $numericalsigfigs=$qparms{$prefix.'numericalsigfigs'};
375: unless (defined($numericalsigfigs)) { $numericalsigfigs='1,15'; }
1.24 www 376:
377: $r->print(
378: '<table bgcolor="#00ee44" cellspacing="4" cellpadding="2">'.
1.25 www 379: '<tr><td><label>'.&mt('Correct answer').': <input type="text" size="20" name="numericalanswer" value="'.$numericalanswer.'" /></label> '.
380: '<label>'.&mt('Unit').': <input type="text" size="5" name="numericalunit" value="'.$qparms{$prefix.'numericalunit'}.'" /></label> '.
381: '<label>'.&mt('Format').': <input type="text" size="5" name="numericalformat" value="'.$qparms{$prefix.'numericalformat'}.'" /></label> '.
382: '<label>'.&mt('Tolerance').': <input type="text" size="5" name="numericaltolerance" value="'.$numericaltolerance.'" /></label> '.
383: '<label>'.&mt('Significant digits').': <input type="text" size="5" name="numericalsigfigs" value="'.$numericalsigfigs.'" /></label>'.
1.24 www 384: '</td></tr></table><br />');
385: $r->print(&hint());
386: }
1.2 www 387: # Store Button
388: $r->print(
1.12 albertel 389: '<input type="submit" value="'.&mt('Save and Edit').'" /></form>');
1.1 www 390: } else {
1.6 www 391: $r->print(&mt('Could not identify problem.'));
1.1 www 392: }
1.17 albertel 393: $r->print(&Apache::loncommon::end_page());
1.1 www 394: return OK;
395: }
396:
397: 1;
398: __END__
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