Annotation of loncom/homework/lonsimpleproblemedit.pm, revision 1.12

1.1       www         1: # The LearningOnline Network
                      2: # Simple Problem Parameter Setting "Editor"
                      3: #
1.12    ! albertel    4: # $Id: lonsimpleproblemedit.pm,v 1.11 2004/11/30 22:57:16 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;
1.1       www        36: 
1.2       www        37: my %qparms;
                     38: my $prefix;
                     39: my $qtype;
                     40: 
                     41: sub evaloptionhash {
                     42:     my $options=shift;
                     43:     $options=~s/^\(\'//;
                     44:     $options=~s/\'\)$//;
                     45:     my %returnhash=();
                     46:     foreach (split(/\'\,\'/,$options)) {
                     47: 	$returnhash{$_}=$_;
                     48:     }
                     49:     return %returnhash;
                     50: }
                     51: 
                     52: sub rawrendering {
1.11      albertel   53:     my ($symb)=@_;
                     54:     my %data=('show_errors'=>'on',
1.12    ! albertel   55: 	      'simple_edit_button' => 'off',
1.11      albertel   56: 	      'devalidatecourseresdata'=>'on');
                     57:     return &Apache::loncommon::get_student_view($symb,time,time,
                     58: 						$ENV{'request.course.id'},
                     59: 						'web',\%data);
1.2       www        60: }
                     61: 
1.1       www        62: sub questiontext {
1.2       www        63:     my $text=$qparms{$prefix.'questiontext'};
1.9       www        64:     my $qt=&mt('Question Text');
1.1       www        65:     return (<<ENDQUESTION);
                     66: <table bgcolor="#dddd22" cellspacing="4" cellpadding="2">
1.9       www        67: <tr><td><b>$qt</b><br />
1.1       www        68: <textarea name="questiontext" cols="80" rows="8">$text</textarea>
                     69: </td></tr>
                     70: </table>
                     71: <br />
                     72: ENDQUESTION
                     73: }
                     74: 
                     75: sub hint {
1.2       www        76:     my $text=$qparms{$prefix.'hinttext'};
1.9       www        77:     my $ht=&mt('Hint Text');
1.1       www        78:     return (<<ENDHINT);
                     79: <table bgcolor="#accacc" cellspacing="4" cellpadding="2">
1.9       www        80: <tr><td><b>$ht</b><br />
1.1       www        81: <textarea name="hinttext" cols="80" rows="4">$text</textarea>
                     82: </td></tr>
                     83: </table>
                     84: <br />
                     85: ENDHINT
                     86: }
                     87: 
                     88: sub foil {
1.2       www        89:     my $number=shift;
                     90:     my %values='';
                     91:     if ($qtype eq 'radio') {
                     92: 	%values=('true' => 'True', 'false' => 'False');
                     93:     } elsif ($qtype eq 'option') {
                     94: 	%values=&evaloptionhash($qparms{$prefix.'options'});
                     95:     }
1.1       www        96:     $values{'unused'}='Not shown, not used';
1.2       www        97:     my $value=$qparms{$prefix.'value'.$number};
1.1       www        98:     unless (defined($value)) { $value='unused'; }
                     99:     unless ($values{$value}) { $value='unused'; }
1.2       www       100:     my $position=$qparms{$prefix.'position'.$number};
1.1       www       101:     my %positions=('random' => 'Random position',
                    102: 		   'top'    => 'Show always at top position',
                    103: 		   'bottom' => 'Show always at bottom position');
                    104:     unless (defined($position)) { $position='random'; }
                    105:     unless ($positions{$position}) {
                    106: 	$position='random';
                    107:     }
                    108:     my $selectvalue=&Apache::loncommon::select_form
                    109: 	                                ($value,'value'.$number,%values);
                    110:     my $selectposition=&Apache::loncommon::select_form
                    111:                                ($position,'position'.$number,%positions);
1.2       www       112:     my $text=$qparms{$prefix.'text'.$number};
1.9       www       113:     my %lt=&Apache::lonlocal::texthash('foil'  => 'Foil',
                    114: 				       'value' => 'Value',
                    115: 				       'pos'   => 'Position',
                    116: 				       'text'  => 'Text');
                    117: 
1.1       www       118:     return (<<ENDFOIL);
                    119: <table bgcolor="#dd55ff" cellspacing="4" cellpadding="2">
1.9       www       120: <tr><td colspan="2"><b>$lt{'foil'}</b></td></tr>
1.10      www       121: <tr><td>$lt{'value'}: $selectvalue</td><td>$lt{'pos'}: $selectposition</td></tr>
1.9       www       122: <tr><td colspan="2">$lt{'text'}:<br />
1.1       www       123: <textarea name="text$number" cols="80" rows="4">$text</textarea>
                    124: </td></tr>
                    125: </table>
                    126: <br />
                    127: ENDFOIL
                    128: }
                    129: 
                    130: sub handler {
                    131:     my $r = shift;
                    132: 
                    133:     if ($r->header_only) {
1.6       www       134:         &Apache::loncommon::content_type($r,'text/html');
1.1       www       135:         $r->send_http_header;
                    136:         return OK;
                    137:     }
                    138: 
                    139: # -------------------------------------------------------------------- Allowed?
1.5       www       140:     unless (&Apache::lonnet::allowed('mdc',$ENV{'request.course.id'})) {
1.1       www       141: 	return HTTP_NOT_ACCEPTABLE; 
                    142:     }
                    143: # ----------------------------------------------------------------- Send header
1.6       www       144:     &Apache::loncommon::content_type($r,'text/html');
1.1       www       145:     $r->send_http_header;
                    146: # ----------------------------------------------------- Figure out where we are
                    147:     my $uri=$r->uri;
                    148:     $uri=~s/\/smpedit$//;
                    149:     my $symb=&Apache::lonnet::symbread($uri);
                    150: 
1.2       www       151: # ------------------------------------------------ Prefix for everything stored
                    152:     $prefix=$ENV{'request.course.id'}.'.'.$symb.'.0.';
1.1       www       153: # ---------------------------------------------------------- Anything to store?
                    154: 
1.2       www       155:     if (($symb) && (defined($ENV{'form.questiontype'}))) {
1.1       www       156:         my %storecontent=();
                    157:         undef %storecontent;
1.2       www       158:         if ($ENV{'form.questiontype'} eq 'option') {
                    159: 	    my %curoptions=&evaloptionhash($ENV{'form.options'});
                    160: 	    if ($ENV{'form.delopt'}) {
                    161: 		delete $curoptions{$ENV{'form.delopt'}};
                    162: 	    }
                    163: 	    if ($ENV{'form.newopt'}) {
                    164: 		$ENV{'form.newopt'}=~s/\'/\\\'/g;
                    165:                 $curoptions{$ENV{'form.newopt'}}=$ENV{'form.newopt'};
                    166: 	    }
                    167:             $ENV{'form.options'}="('".join("','",keys %curoptions)."')";
                    168: 	}
1.7       www       169: 	$ENV{'form.hiddenparts'}='!'.$ENV{'form.questiontype'};
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>');
1.12    ! albertel  200: 	$r->print('<table width="100%" bgcolor="#FFFFAA" border="2"><tr><td>'.
        !           201:                 '<a href="'.$uri.'">'.&mt('Student View').'</a> - '.&mt('Note: it can take up to 10 minutes for changes to take effect for all users.').
        !           202: 		  &Apache::loncommon::help_open_topic('Caching').'</td></tr></table>');
1.2       www       203: 	$r->print('<table border="2" bgcolor="#FFFFFF" width="100%"><tr><td>'.
1.11      albertel  204:                   &rawrendering($symb).
1.2       www       205:                   '</td></tr></table><br />');
                    206:         $r->print('<form method="post">');
                    207: # Question Type        
                    208: 	my %questiontypes=('radio'  => 
                    209:                                '1 out of N multiple choice (radio button)',
1.3       www       210: 			   'option' => 'Option response',
                    211:                            'string' => 'Short string response',
                    212:                            'essay'  => 'Essay, open end');
1.2       www       213:         $qtype=$qparms{$prefix.'questiontype'};
                    214:         unless (defined($qtype)) { $qtype='radio'; }
                    215:         unless ($questiontypes{$qtype}) { $qtype='radio'; }
1.9       www       216:         $r->print('<b>'.&mt('Question Type').
                    217: 		  ': '.&Apache::loncommon::select_form
1.2       www       218: 	                               ($qtype,'questiontype',%questiontypes).
1.12    ! albertel  219:   '</b><br /><input type="submit" value="'.&mt('Save and Edit').
1.6       www       220:   '" /><p>&nbsp;</p>');
1.2       www       221: # Question Text
                    222:         $r->print(&questiontext());
                    223: # Radio, Option ===
                    224: 	if (($qtype eq 'radio') || ($qtype eq 'option')) {
                    225: # Response
                    226:             my $maxfoils=$qparms{$prefix.'maxfoils'};
                    227:             unless (defined($maxfoils)) { $maxfoils=10; }
                    228:             unless ($maxfoils=~/^\d+$/) { $maxfoils=10; }
                    229:             if ($maxfoils<=0) { $maxfoils=10; }
                    230: 	    my %randomizes=('yes' => 'Display foils in random order',
                    231: 			    'no'  => 'Display foils in order given');
                    232: 	    my $randomize=$qparms{$prefix.'randomize'};
                    233:             unless (defined($randomize)) { $randomize='yes'; }
                    234:             unless ($randomizes{$randomize}) { $randomize='yes'; }
                    235: 	    $r->print(
                    236: 		  '<table bgcolor="#00ee44" cellspacing="4" cellpadding="2">'.
1.6       www       237: 	          '<tr><td>'.&mt('Max number of foils displayed').
                    238: ': <input type="text" size="3" name="maxfoils" value="'.$maxfoils.'" />&nbsp;&nbsp;'.
1.2       www       239: 		      &Apache::loncommon::select_form
                    240: 		      ($randomize,'randomize',%randomizes).
                    241: 		  '</td></tr><tr><td bgcolor="#AAAAAA">');
                    242: # Option Response: Options
                    243: 	    if ($qtype eq 'option') {
                    244: 		my $options=$qparms{$prefix.'options'};
                    245:                 unless (defined($options)) { $options="('true','false')"; }
                    246:                 my %optionshash=&evaloptionhash($options);
                    247: 		$r->print(
                    248: 		  '<table bgcolor="#ffcc22" cellspacing="4" cellpadding="2">'.
                    249: 		  '<tr><td><input type="hidden" name="options" value="'.
1.9       www       250:                   $options.'" />'.&mt('Add new option').': '.
1.6       www       251:           '<input type="text" name="newopt" size="15" />'.
                    252:           &mt('Delete an option').': '.
1.2       www       253:           &Apache::loncommon::select_form('','delopt',('' => '',%optionshash)).
                    254:           '</td></tr><tr><td>');
                    255: 	    }
                    256: # Foils
                    257: 	    for (my $i=1;$i<=10;$i++) {
                    258: 		$r->print(&foil($i));
                    259: 	    }
                    260: # End Options
                    261: 	    if ($qtype eq 'option') {
                    262: 		$r->print('</td></tr></table>');
                    263: 	    }
1.1       www       264: 
1.2       www       265: # End Response
                    266: 	    $r->print('</td></tr></table><br />');
1.3       www       267: # Hint
                    268: 	    $r->print(&hint());
1.2       www       269: 	}
1.3       www       270: 	if ($qtype eq 'string') {
                    271:             my %stringtypes=(
                    272: 	       'cs' => 'Case sensitive',
                    273: 	       'ci' => 'Case Insensitive',
                    274: 	       'mc' => 'Multiple Choice, Order of characters unchecked');
                    275:             my $stringanswer=$qparms{$prefix.'stringanswer'};
                    276:             unless (defined($stringanswer)) { $stringanswer=''; }
                    277:             my $stringtype=$qparms{$prefix.'stringtype'};
                    278:             unless (defined($stringtype)) { $stringtype='cs'; }
                    279:             unless ($stringtypes{$stringtype}) { $stringtype='cs'; }
                    280: 	    $r->print(
                    281: 		  '<table bgcolor="#00ee44" cellspacing="4" cellpadding="2">'.
1.6       www       282: 	          '<tr><td>'.&mt('Correct answer').': <input type="text" size="20" name="stringanswer" value="'.$stringanswer.'" />&nbsp;&nbsp;'.
1.3       www       283: 		      &Apache::loncommon::select_form
                    284: 		      ($stringtype,'stringtype',%stringtypes).
                    285: 		  '</td></tr></table><br />');
1.2       www       286: # Hint
1.3       www       287: 	    $r->print(&hint());
                    288: 	}
1.2       www       289: # Store Button
                    290: 	$r->print(
1.12    ! albertel  291:   '<input type="submit" value="'.&mt('Save and Edit').'" /></form>');
1.1       www       292:     } else {
1.6       www       293: 	$r->print(&mt('Could not identify problem.'));
1.1       www       294:     }
                    295:     $r->print('</body></html>');
                    296:     return OK;
                    297: } 
                    298: 
                    299: 1;
                    300: __END__

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