Annotation of loncom/homework/lonsimpleproblemedit.pm, revision 1.3

1.1       www         1: # The LearningOnline Network
                      2: # Simple Problem Parameter Setting "Editor"
                      3: #
1.3     ! www         4: # $Id: lonsimpleproblemedit.pm,v 1.2 2003/07/09 06:23:20 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;
                     35: 
1.2       www        36: my %qparms;
                     37: my $prefix;
                     38: my $qtype;
                     39: 
                     40: sub evaloptionhash {
                     41:     my $options=shift;
                     42:     $options=~s/^\(\'//;
                     43:     $options=~s/\'\)$//;
                     44:     my %returnhash=();
                     45:     foreach (split(/\'\,\'/,$options)) {
                     46: 	$returnhash{$_}=$_;
                     47:     }
                     48:     return %returnhash;
                     49: }
                     50: 
                     51: sub rawrendering {
                     52:     my ($request,$uri)=@_;
                     53:     my $problem=&Apache::lonnet::getfile
                     54:                             (&Apache::lonnet::filelocation('',$uri));
                     55:     &Apache::lonnet::devalidatecourseresdata(
                     56: 		     $ENV{'course.'.$ENV{'request.course.id'}.'.num'},
                     57: 		     $ENV{'course.'.$ENV{'request.course.id'}.'.domain'});
                     58:     my $uname=$ENV{'user.name'};
                     59:     my $udom=$ENV{'user.domain'};
                     60:     $ENV{'user.name'}=time;
                     61:     $ENV{'user.domain'}=time;
                     62:     my $result = &Apache::lonxml::xmlparse($request,'web', $problem);
                     63:     $ENV{'user.name'}=$uname;
                     64:     $ENV{'user.domain'}=$udom;
                     65:     $result=~s/^.*\<body[^\>]*\>//si;
                     66:     $result=~s/\<\/body[^\>]*\>.*$//si;
                     67:     return $result;
                     68: }
                     69: 
1.1       www        70: sub questiontext {
1.2       www        71:     my $text=$qparms{$prefix.'questiontext'};
1.1       www        72:     return (<<ENDQUESTION);
                     73: <table bgcolor="#dddd22" cellspacing="4" cellpadding="2">
                     74: <tr><td><b>Question Text</b><br />
                     75: <textarea name="questiontext" cols="80" rows="8">$text</textarea>
                     76: </td></tr>
                     77: </table>
                     78: <br />
                     79: ENDQUESTION
                     80: }
                     81: 
                     82: sub hint {
1.2       www        83:     my $text=$qparms{$prefix.'hinttext'};
1.1       www        84:     return (<<ENDHINT);
                     85: <table bgcolor="#accacc" cellspacing="4" cellpadding="2">
                     86: <tr><td><b>Hint Text</b><br />
                     87: <textarea name="hinttext" cols="80" rows="4">$text</textarea>
                     88: </td></tr>
                     89: </table>
                     90: <br />
                     91: ENDHINT
                     92: }
                     93: 
                     94: sub foil {
1.2       www        95:     my $number=shift;
                     96:     my %values='';
                     97:     if ($qtype eq 'radio') {
                     98: 	%values=('true' => 'True', 'false' => 'False');
                     99:     } elsif ($qtype eq 'option') {
                    100: 	%values=&evaloptionhash($qparms{$prefix.'options'});
                    101:     }
1.1       www       102:     $values{'unused'}='Not shown, not used';
1.2       www       103:     my $value=$qparms{$prefix.'value'.$number};
1.1       www       104:     unless (defined($value)) { $value='unused'; }
                    105:     unless ($values{$value}) { $value='unused'; }
1.2       www       106:     my $position=$qparms{$prefix.'position'.$number};
1.1       www       107:     my %positions=('random' => 'Random position',
                    108: 		   'top'    => 'Show always at top position',
                    109: 		   'bottom' => 'Show always at bottom position');
                    110:     unless (defined($position)) { $position='random'; }
                    111:     unless ($positions{$position}) {
                    112: 	$position='random';
                    113:     }
                    114:     my $selectvalue=&Apache::loncommon::select_form
                    115: 	                                ($value,'value'.$number,%values);
                    116:     my $selectposition=&Apache::loncommon::select_form
                    117:                                ($position,'position'.$number,%positions);
1.2       www       118:     my $text=$qparms{$prefix.'text'.$number};
1.1       www       119:     return (<<ENDFOIL);
                    120: <table bgcolor="#dd55ff" cellspacing="4" cellpadding="2">
                    121: <tr><td colspan="2"><b>Foil</b></td></tr>
                    122: <tr><td>Value: $selectvalue</td><td>Position: $selectposition</td></tr>
                    123: <tr><td colspan="2">Text:<br />
                    124: <textarea name="text$number" cols="80" rows="4">$text</textarea>
                    125: </td></tr>
                    126: </table>
                    127: <br />
                    128: ENDFOIL
                    129: }
                    130: 
                    131: sub handler {
                    132:     my $r = shift;
                    133: 
                    134:     if ($r->header_only) {
                    135:         $r->content_type('text/html');
                    136:         $r->send_http_header;
                    137:         return OK;
                    138:     }
                    139: 
                    140: # -------------------------------------------------------------------- Allowed?
                    141:     unless (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})) {
                    142: 	return HTTP_NOT_ACCEPTABLE; 
                    143:     }
                    144: # ----------------------------------------------------------------- Send header
                    145:     $r->content_type('text/html');
                    146:     $r->send_http_header;
                    147: # ----------------------------------------------------- Figure out where we are
                    148:     my $uri=$r->uri;
                    149:     $uri=~s/\/smpedit$//;
                    150:     my $symb=&Apache::lonnet::symbread($uri);
                    151: 
1.2       www       152: # ------------------------------------------------ Prefix for everything stored
                    153:     $prefix=$ENV{'request.course.id'}.'.'.$symb.'.0.';
1.1       www       154: # ---------------------------------------------------------- Anything to store?
                    155: 
1.2       www       156:     if (($symb) && (defined($ENV{'form.questiontype'}))) {
1.1       www       157:         my %storecontent=();
                    158:         undef %storecontent;
1.2       www       159:         if ($ENV{'form.questiontype'} eq 'option') {
                    160: 	    my %curoptions=&evaloptionhash($ENV{'form.options'});
                    161: 	    if ($ENV{'form.delopt'}) {
                    162: 		delete $curoptions{$ENV{'form.delopt'}};
                    163: 	    }
                    164: 	    if ($ENV{'form.newopt'}) {
                    165: 		$ENV{'form.newopt'}=~s/\'/\\\'/g;
                    166:                 $curoptions{$ENV{'form.newopt'}}=$ENV{'form.newopt'};
                    167: 	    }
                    168:             $ENV{'form.options'}="('".join("','",keys %curoptions)."')";
                    169: 	}
1.1       www       170:         foreach (keys %ENV) {
                    171: 	    if ($_=~/^form\.(\w+)$/) {
1.2       www       172:                 my $parm=$1;
                    173: 		$storecontent{$prefix.$parm}=$ENV{'form.'.$parm};
                    174:                 $storecontent{$prefix.$parm}=~s/^\s+//s;
                    175: 		$storecontent{$prefix.$parm}=~s/\s+$//s;
1.1       www       176: 	    }
                    177: 	}
                    178: 	my $reply=&Apache::lonnet::cput
                    179: 	    ('resourcedata',\%storecontent,
                    180: 	     $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
                    181: 	     $ENV{'course.'.$ENV{'request.course.id'}.'.num'});
                    182: 
                    183:     }
1.2       www       184: # ------------------------------------------------------------------- Read Data
                    185: 
                    186:     %qparms=&Apache::lonnet::dump('resourcedata',
                    187: 		     $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
                    188: 		     $ENV{'course.'.$ENV{'request.course.id'}.'.num'},
                    189: 		     $ENV{'request.course.id'}.'.'.$symb);
                    190: 
1.1       www       191: # ------------------------------------------------------------ Print the screen
                    192:     $r->print(<<ENDDOCUMENT);
                    193: <html>
                    194: <head>
                    195: <title>The LearningOnline Network with CAPA</title>
                    196: ENDDOCUMENT
                    197:     $r->print(&Apache::loncommon::bodytag('Simple Problem Editor'));
                    198:     if ($symb) {
                    199: 	$r->print('<h1>'.&Apache::lonnet::gettitle($symb).'</h1>');
1.2       www       200: 	$r->print('<table border="2" bgcolor="#FFFFFF" width="100%"><tr><td>'.
                    201:                   &rawrendering($r,$uri).
                    202:                   '</td></tr></table><br />');
                    203:         $r->print('<form method="post">');
                    204: # Question Type        
                    205: 	my %questiontypes=('radio'  => 
                    206:                                '1 out of N multiple choice (radio button)',
1.3     ! www       207: 			   'option' => 'Option response',
        !           208:                            'string' => 'Short string response',
        !           209:                            'essay'  => 'Essay, open end');
1.2       www       210:         $qtype=$qparms{$prefix.'questiontype'};
                    211:         unless (defined($qtype)) { $qtype='radio'; }
                    212:         unless ($questiontypes{$qtype}) { $qtype='radio'; }
                    213:         $r->print('Question Type: '.&Apache::loncommon::select_form
                    214: 	                               ($qtype,'questiontype',%questiontypes).
                    215:                   '<p>&nbsp;</p>');
                    216: # Question Text
                    217:         $r->print(&questiontext());
                    218: # Radio, Option ===
                    219: 	if (($qtype eq 'radio') || ($qtype eq 'option')) {
                    220: # Response
                    221:             my $maxfoils=$qparms{$prefix.'maxfoils'};
                    222:             unless (defined($maxfoils)) { $maxfoils=10; }
                    223:             unless ($maxfoils=~/^\d+$/) { $maxfoils=10; }
                    224:             if ($maxfoils<=0) { $maxfoils=10; }
                    225: 	    my %randomizes=('yes' => 'Display foils in random order',
                    226: 			    'no'  => 'Display foils in order given');
                    227: 	    my $randomize=$qparms{$prefix.'randomize'};
                    228:             unless (defined($randomize)) { $randomize='yes'; }
                    229:             unless ($randomizes{$randomize}) { $randomize='yes'; }
                    230: 	    $r->print(
                    231: 		  '<table bgcolor="#00ee44" cellspacing="4" cellpadding="2">'.
                    232: 	          '<tr><td>Max number of foils displayed: <input type="text" size="3" name="maxfoils" value="'.$maxfoils.'" />&nbsp;&nbsp;'.
                    233: 		      &Apache::loncommon::select_form
                    234: 		      ($randomize,'randomize',%randomizes).
                    235: 		  '</td></tr><tr><td bgcolor="#AAAAAA">');
                    236: # Option Response: Options
                    237: 	    if ($qtype eq 'option') {
                    238: 		my $options=$qparms{$prefix.'options'};
                    239:                 unless (defined($options)) { $options="('true','false')"; }
                    240:                 my %optionshash=&evaloptionhash($options);
                    241: 		$r->print(
                    242: 		  '<table bgcolor="#ffcc22" cellspacing="4" cellpadding="2">'.
                    243: 		  '<tr><td><input type="hidden" name="options" value="'.
                    244:                   $options.'" />Add new option: '.
                    245:           '<input type="text" name="newopt" size="15" />Delete an option: '.
                    246:           &Apache::loncommon::select_form('','delopt',('' => '',%optionshash)).
                    247:           '</td></tr><tr><td>');
                    248: 	    }
                    249: # Foils
                    250: 	    for (my $i=1;$i<=10;$i++) {
                    251: 		$r->print(&foil($i));
                    252: 	    }
                    253: # End Options
                    254: 	    if ($qtype eq 'option') {
                    255: 		$r->print('</td></tr></table>');
                    256: 	    }
1.1       www       257: 
1.2       www       258: # End Response
                    259: 	    $r->print('</td></tr></table><br />');
1.3     ! www       260: # Hint
        !           261: 	    $r->print(&hint());
1.2       www       262: 	}
1.3     ! www       263: 	if ($qtype eq 'string') {
        !           264:             my %stringtypes=(
        !           265: 	       'cs' => 'Case sensitive',
        !           266: 	       'ci' => 'Case Insensitive',
        !           267: 	       'mc' => 'Multiple Choice, Order of characters unchecked');
        !           268:             my $stringanswer=$qparms{$prefix.'stringanswer'};
        !           269:             unless (defined($stringanswer)) { $stringanswer=''; }
        !           270:             my $stringtype=$qparms{$prefix.'stringtype'};
        !           271:             unless (defined($stringtype)) { $stringtype='cs'; }
        !           272:             unless ($stringtypes{$stringtype}) { $stringtype='cs'; }
        !           273: 	    $r->print(
        !           274: 		  '<table bgcolor="#00ee44" cellspacing="4" cellpadding="2">'.
        !           275: 	          '<tr><td>Correct answer: <input type="text" size="20" name="stringanswer" value="'.$stringanswer.'" />&nbsp;&nbsp;'.
        !           276: 		      &Apache::loncommon::select_form
        !           277: 		      ($stringtype,'stringtype',%stringtypes).
        !           278: 		  '</td></tr></table><br />');
1.2       www       279: # Hint
1.3     ! www       280: 	    $r->print(&hint());
        !           281: 	}
1.2       www       282: # Store Button
                    283: 	$r->print(
                    284:   '<input type="submit" name="storeproblem" value="Store Changes" /></form>');
1.1       www       285:     } else {
                    286: 	$r->print('Could not identify problem.');
                    287:     }
                    288:     $r->print('</body></html>');
                    289:     return OK;
                    290: } 
                    291: 
                    292: 1;
                    293: __END__

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