Return to lonsimpleproblemedit.pm CVS log

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- Consistent Interface for templated pages (bug 6128).
- Function for Templated "Simple Problem" page moved into standard location.

    1: # The LearningOnline Network
    2: # Simple Problem Parameter Setting "Editor"
    3: #
    4: # $Id: lonsimpleproblemedit.pm,v 1.33 2012/11/08 21:55:11 raeburn 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 $spell_link=
   70: 	&Apache::lonhtmlcommon::spelllink('simpleedit','questiontext');
   71:     return (<<ENDQUESTION);
   72: <table bgcolor="#dddd22" cellspacing="4" cellpadding="2" style="width:100%">
   73: <tr><td><b>$qt</b><br />
   74: <textarea style="width:99%" 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 $spell_link=
   86: 	&Apache::lonhtmlcommon::spelllink('simpleedit','hinttext');
   87:     return (<<ENDHINT);
   88: <table bgcolor="#accacc" cellspacing="4" cellpadding="2" style="width:100%">
   89: <tr><td><b>$ht</b><br />
   90: <textarea style="width:99%" 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 script {
   99:     my $text=$qparms{$prefix.'numericalscript'};
  100:     my $ht=&mt('Scripting (optional)');
  101:     return (<<ENDSCRIPT);
  102: <table bgcolor="#ccccaa" cellspacing="4" cellpadding="2" style="width:100%">
  103: <tr><td><b>$ht</b><br />
  104: <textarea style="width:99%" name="numericalscript" cols="80" rows="4">$text</textarea>
  105: </td></tr>
  106: </table>
  107: <br />
  108: ENDSCRIPT
  109: }
  110: 
  111: sub foil {
  112:     my $number=shift;
  113:     my (%values,%defaultvalues,%customvalues);
  114:     %defaultvalues = &Apache::lonlocal::texthash(
  115:                          'unused' => 'Not shown, not used'
  116:                      );
  117:     if ($qtype eq 'radio') {
  118:         %customvalues = &Apache::lonlocal::texthash(
  119:                                        'true' => 'True',
  120:                                        'false' => 'False'
  121:         );
  122:     } elsif ($qtype eq 'option') {
  123:         %customvalues=&evaloptionhash($qparms{$prefix.'options'});
  124:     }
  125:     %values = (%defaultvalues,%customvalues);
  126:     my $value=$qparms{$prefix.'value'.$number};
  127:     unless (defined($value)) { $value='unused'; }
  128:     unless ($values{$value}) { $value='unused'; }
  129:     my $position=$qparms{$prefix.'position'.$number};
  130:     my %positions=('random' => 'Random position',
  131: 		   'top'    => 'Show always at top position',
  132: 		   'bottom' => 'Show always at bottom position');
  133:     unless (defined($position)) { $position='random'; }
  134:     unless ($positions{$position}) {
  135: 	$position='random';
  136:     }
  137:     my $selectvalue=&Apache::loncommon::select_form(
  138:                         $value,
  139:                         'value'.$number,
  140:                         \%values);
  141:     my $selectposition=&Apache::loncommon::select_form(
  142:                            $position,
  143:                            'position'.$number,
  144:                            {&Apache::lonlocal::texthash(%positions)});
  145:     my $text=$qparms{$prefix.'text'.$number};
  146:     my %lt=&Apache::lonlocal::texthash('foil'  => 'Foil',
  147: 				       'value' => 'Value',
  148: 				       'pos'   => 'Position',
  149: 				       'text'  => 'Text');
  150: 
  151:     my $spell_link=
  152: 	&Apache::lonhtmlcommon::spelllink('simpleedit',"text$number");
  153:     return (<<ENDFOIL);
  154: <table bgcolor="#E8D8EE" cellspacing="2" cellpadding="1" style="width:100%">
  155: <tr><td colspan="2"><b>$lt{'foil'}</b></td></tr>
  156: <tr><td>$lt{'value'}: $selectvalue</td><td>$lt{'pos'}: $selectposition</td></tr>
  157: <tr><td colspan="2">$lt{'text'}:<br />
  158: <textarea style="width:99%" name="text$number" cols="80" rows="4">$text</textarea>
  159: <br />$spell_link
  160: </td></tr>
  161: </table>
  162: <br />
  163: ENDFOIL
  164: }
  165: 
  166: sub get_parent_uri {
  167:     my ($cur_symb)=@_;
  168:     my $navmap = Apache::lonnavmaps::navmap->new();
  169:     if (defined($navmap)) {
  170:         my $it = $navmap->getIterator(undef, undef, undef, 1);
  171:         while ( my $res=$it->next()) {
  172: 	    if (ref($res) &&  $res->symb() eq  $cur_symb) { last; }
  173:         }
  174:         my ($src,$symb,$anchor)=&Apache::lonnavmaps::getLinkForResource($it->getStack());
  175:         if (defined($anchor)) { $anchor='#'.$anchor; }
  176:         return $src.'?symb='.&escape($symb).$anchor;
  177:     }
  178:     return;
  179: }
  180: 
  181: sub handler {
  182:     my $r = shift;
  183: 
  184:     if ($r->header_only) {
  185:         &Apache::loncommon::content_type($r,'text/html');
  186:         $r->send_http_header;
  187:         return OK;
  188:     }
  189: 
  190: # -------------------------------------------------------------------- Allowed?
  191:     unless (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) {
  192: 	return HTTP_NOT_ACCEPTABLE; 
  193:     }
  194: # ----------------------------------------------------------------- Send header
  195:     &Apache::loncommon::content_type($r,'text/html');
  196:     $r->send_http_header;
  197: # ----------------------------------------------------- Figure out where we are
  198:     my $uri=$r->uri;
  199:     $uri=~s/\/smpedit$//;
  200:     my $symb=&Apache::lonnet::symbread();
  201: 
  202: # ------------------------------------------------ Prefix for everything stored
  203:     $prefix=$env{'request.course.id'}.'.'.$symb.'.0.';
  204: #------------------------------------------------- Prefix for storing weight of Problem Parts
  205:     my $weightprefix=$env{'request.course.id'}.'.'.$symb.'.';
  206:     
  207: # ---------------------------------------------------------- Anything to store?
  208: 
  209:     if (($symb) && (defined($env{'form.questiontype'}))) {
  210:         my %storecontent=();
  211:         undef %storecontent;
  212:         if ($env{'form.questiontype'} eq 'option') {
  213: 	    my %curoptions=&evaloptionhash($env{'form.options'});
  214: 	    if ($env{'form.delopt'}) {
  215: 		delete $curoptions{$env{'form.delopt'}};
  216: 	    }
  217: 	    if ($env{'form.newopt'}) {
  218: 		$env{'form.newopt'}=~s/\'/\\\'/g;
  219:                 $curoptions{$env{'form.newopt'}}=$env{'form.newopt'};
  220: 	    }
  221:             $env{'form.options'}="('".join("','",keys %curoptions)."')";
  222: 	}
  223: 	$env{'form.hiddenparts'}='!'.$env{'form.questiontype'};
  224:         foreach (keys %env) {
  225: 	    if ($_=~/^form\.(\w+)$/) {
  226:                 my $parm=$1;
  227: 		$storecontent{$prefix.$parm}=$env{'form.'.$parm};
  228:                 $storecontent{$prefix.$parm}=~s/^\s+//s;
  229: 		$storecontent{$prefix.$parm}=~s/\s+$//s;
  230: 	    }
  231: 	}
  232: # ---------------------------------------------------- Set weights of hidden parts to zero
  233: # ------------------------------------------------------ and used part to 1
  234: 	$storecontent{$weightprefix.'essay.weight'}=0;
  235: 	$storecontent{$weightprefix.'numerical.weight'}=0;
  236: 	$storecontent{$weightprefix.'option.weight'}=0;
  237: 	$storecontent{$weightprefix.'radio.weight'}=0;
  238: 	$storecontent{$weightprefix.'string.weight'}=0;
  239: 	$storecontent{$weightprefix.$env{'form.questiontype'}.'.weight'}=1;
  240: 
  241: 
  242: 	my $reply=&Apache::lonnet::cput
  243: 	    ('resourcedata',\%storecontent,
  244: 	     $env{'course.'.$env{'request.course.id'}.'.domain'},
  245: 	     $env{'course.'.$env{'request.course.id'}.'.num'});
  246: 
  247:         &Apache::lonnet::devalidatecourseresdata(
  248:                             $env{'course.'.$env{'request.course.id'}.'.num'},
  249:                             $env{'course.'.$env{'request.course.id'}.'.domain'});
  250: 
  251:     }
  252: # ------------------------------------------------------------------- Read Data
  253: 
  254:     %qparms=&Apache::lonnet::dump('resourcedata',
  255: 		     $env{'course.'.$env{'request.course.id'}.'.domain'},
  256: 		     $env{'course.'.$env{'request.course.id'}.'.num'},
  257: 		     $env{'request.course.id'}.'.'.$symb);
  258: 
  259: # ------------------------------------------------------------ Print the screen
  260:     my $spell_header=&Apache::lonhtmlcommon::spellheader();
  261:     $r->print(&Apache::loncommon::start_page('Simple Problem Editor',
  262: 					     $spell_header));
  263:     if ($symb) {
  264: 	    my $title='<h1>'.&Apache::lonnet::gettitle($symb).'</h1>';
  265:         if (&get_parent_uri($symb)) {
  266:             $r->print($title);
  267:         } else {
  268:             $r->print($title
  269:                      .'<p class="LC_error">'
  270:                      .&mt('An error occurred retrieving the link to this problem.')
  271:                      .'<br />'
  272:                      .&mt('You may need to [_1]re-select the course[_2] and then return to this resource to view it.'
  273:                          ,'<a href="/adm/roles">','</a>')
  274:                      .'</p>'
  275:             );
  276:         }
  277:         $r->print('<p class="LC_warning">'
  278:                  .&mt('Note: it can take up to 10 minutes for changes to take effect for all users.')
  279:                  .&Apache::loncommon::help_open_topic('Caching')
  280:                  .'</p>'
  281:         );
  282: 
  283:         $r->print(
  284:             '<div class="LC_Box">'
  285:            .&rawrendering($symb)
  286:            .'</div>'
  287:         );
  288:         $r->print('<form name="simpleedit" method="post">');
  289: # Question Type        
  290:         my %questiontypes=(
  291:                'radio'     => '1 out of N multiple choice (radio button)',
  292:                'option'    => 'Option Response',
  293:                'string'    => 'Short string response',
  294:                'essay'     => 'Essay, open end',
  295:                'numerical' => 'Numerical Response');
  296:         $qtype=$qparms{$prefix.'questiontype'};
  297:         unless (defined($qtype)) { $qtype='radio'; }
  298:         unless ($questiontypes{$qtype}) { $qtype='radio'; }
  299:         $r->print(
  300:             '<fieldset style="width:400px;">'
  301:            .'<legend>'.&mt('Question Type').'</legend>'
  302:            .&Apache::loncommon::select_form(
  303:                 $qtype,
  304:                 'questiontype',
  305:                 {&Apache::lonlocal::texthash(%questiontypes)})
  306:            .'</fieldset>'
  307:         );
  308:         $r->print(
  309:             '<p>'
  310:            .'<input type="submit" value="'.&mt('Save and Edit').'" />'
  311:            .'</p>'
  312:         );
  313: # Script
  314:         if ($qtype eq 'numerical') {
  315:            $r->print(&script());
  316:         }
  317: # Question Text
  318:         $r->print(&questiontext());
  319: # Radio, Option ===
  320: 	if (($qtype eq 'radio') || ($qtype eq 'option')) {
  321: # Response
  322:             my $maxfoils=$qparms{$prefix.'maxfoils'};
  323:             unless (defined($maxfoils)) { $maxfoils=10; }
  324:             unless ($maxfoils=~/^\d+$/) { $maxfoils=10; }
  325:             if ($maxfoils<=0) { $maxfoils=10; }
  326:             my %randomizes=(
  327:                    'yes' => 'Display foils in random order',
  328:                    'no'  => 'Display foils in order given');
  329: 	    my $randomize=$qparms{$prefix.'randomize'};
  330:             unless (defined($randomize)) { $randomize='yes'; }
  331:             unless ($randomizes{$randomize}) { $randomize='yes'; }
  332: 	    $r->print(
  333: 		  '<table bgcolor="#00ee44" cellspacing="4" cellpadding="2" style="width:100%">'.
  334: 	          '<tr><td>'.&mt('Max number of foils displayed').
  335: ': <input type="text" size="3" name="maxfoils" value="'.$maxfoils.'" />&nbsp;&nbsp;'.
  336:                       &Apache::loncommon::select_form(
  337:                           $randomize,
  338:                           'randomize',
  339:                           {&Apache::lonlocal::texthash(%randomizes)}).
  340: 		  '</td></tr><tr><td bgcolor="#F0F0F0">');
  341: # Option Response: Options
  342: 	    if ($qtype eq 'option') {
  343: 		my $options=$qparms{$prefix.'options'};
  344:                 unless (defined($options)) { $options="('true','false')"; }
  345:                 my %optionshash=&evaloptionhash($options);
  346: 		$r->print(
  347: 		  '<table bgcolor="#ffcc22" cellspacing="4" cellpadding="2" style="width:100%">'.
  348: 		  '<tr><td><input type="hidden" name="options" value="'.
  349:                   $options.'" />'.&mt('Add new option').': '.
  350:           '<input type="text" name="newopt" size="15" />'.
  351:           &mt('Delete an option').': '.
  352:           &Apache::loncommon::select_form('','delopt',{'' => '',%optionshash}).
  353:           '</td></tr><tr><td>');
  354: 	    }
  355: # Foils
  356: 	    for (my $i=1;$i<=10;$i++) {
  357: 		$r->print(&foil($i));
  358: 	    }
  359: # End Options
  360: 	    if ($qtype eq 'option') {
  361: 		$r->print('</td></tr></table>');
  362: 	    }
  363: 
  364: # End Response
  365: 	    $r->print('</td></tr></table><br />');
  366: # Hint
  367: 	    $r->print(&hint());
  368: 	}
  369: 	if ($qtype eq 'string') {
  370:             my %stringtypes=(
  371: 	       'cs' => 'Case sensitive',
  372: 	       'ci' => 'Case Insensitive',
  373: 	       'mc' => 'Multiple Choice, Order of characters unchecked');
  374:             my $stringanswer=$qparms{$prefix.'stringanswer'};
  375:             unless (defined($stringanswer)) { $stringanswer=''; }
  376:             my $stringtype=$qparms{$prefix.'stringtype'};
  377:             unless (defined($stringtype)) { $stringtype='cs'; }
  378:             unless ($stringtypes{$stringtype}) { $stringtype='cs'; }
  379: 	    $r->print(
  380: 		  '<table bgcolor="#00ee44" cellspacing="4" cellpadding="2" style="width:100%">'.
  381: 	          '<tr><td><label>'.&mt('Correct answer').': <input type="text" size="20" name="stringanswer" value="'.$stringanswer.'" /></label>&nbsp;&nbsp;'.
  382:                       &Apache::loncommon::select_form(
  383:                           $stringtype,
  384:                           'stringtype',
  385:                           {&Apache::lonlocal::texthash(%stringtypes)}).
  386: 		  '</td></tr></table><br />');
  387: # Hint
  388: 	    $r->print(&hint());
  389: 	}
  390:         if ($qtype eq 'numerical') {
  391:            my $numericalanswer=$qparms{$prefix.'numericalanswer'};
  392:            unless (defined($numericalanswer)) { $numericalanswer=''; }
  393:            my $numericaltolerance=$qparms{$prefix.'numericaltolerance'};
  394:            unless (defined($numericaltolerance)) { $numericaltolerance='5%'; }
  395:            my $numericalsigfigs=$qparms{$prefix.'numericalsigfigs'};
  396:            unless (defined($numericalsigfigs)) { $numericalsigfigs='1,15'; }
  397: 
  398:            $r->print(
  399:                   '<table bgcolor="#00ee44" cellspacing="4" cellpadding="2" style="width:100%">'.
  400:                   '<tr><td><label>'.&mt('Correct answer').': <input type="text" size="20" name="numericalanswer" value="'.$numericalanswer.'" /></label>&nbsp;&nbsp;'.
  401:                   '<label>'.&mt('Unit').':  <input type="text" size="5" name="numericalunit" value="'.$qparms{$prefix.'numericalunit'}.'" /></label>&nbsp;&nbsp;'.
  402:                   '<label>'.&mt('Format').':  <input type="text" size="5" name="numericalformat" value="'.$qparms{$prefix.'numericalformat'}.'" /></label>&nbsp;&nbsp;'.
  403:                   '<label>'.&mt('Tolerance').':  <input type="text" size="5" name="numericaltolerance" value="'.$numericaltolerance.'" /></label>&nbsp;&nbsp;'.
  404:                   '<label>'.&mt('Significant digits').':  <input type="text" size="5" name="numericalsigfigs" value="'.$numericalsigfigs.'" /></label>'.
  405:                   '</td></tr></table><br />');
  406:            $r->print(&hint());
  407:         }
  408: # Store Button
  409: 	$r->print(
  410:   '<input type="submit" value="'.&mt('Save and Edit').'" /></form>');
  411:     } else {
  412: 	$r->print(&mt('Could not identify problem.'));
  413:     }
  414:     $r->print(&Apache::loncommon::end_page());
  415:     return OK;
  416: }
  417: 
  418: 1;
  419: __END__