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Diff for /loncom/interface/loncommon.pm between versions 1.30 and 1.31

version 1.30, 2002/03/28 22:15:56 version 1.31, 2002/04/15 23:37:37
Line 273  sub get_previous_attempt { Line 273  sub get_previous_attempt {
       }        }
       $prevattempts='<table border=2></tr><th>History</th>';        $prevattempts='<table border=2></tr><th>History</th>';
       foreach (sort(keys %lasthash)) {        foreach (sort(keys %lasthash)) {
         $prevattempts.='<th>'.$_.'</th>';   my ($ign,@parts) = split(/\./,$_);
    if (@parts) {
     my $data=$parts[-1];
     pop(@parts);
     $prevattempts.='<th>Part '.join('.',@parts).'<br />'.$data.'</th>';
    } else {
     $prevattempts.='<th>'.$ign.'</th>';
    }
       }        }
       for ($version=1;$version<=$returnhash{'version'};$version++) {        for ($version=1;$version<=$returnhash{'version'};$version++) {
         $prevattempts.='</tr><tr><th>Attempt '.$version.'</th>';          $prevattempts.='</tr><tr><th>Attempt '.$version.'</th>';
Line 406  sub add_to_env { Line 413  sub add_to_env {
     $ENV{$name}=$value;      $ENV{$name}=$value;
   }    }
 }  }
   
   #---CSV Upload/Handling functions
   
   # ========================================================= Store uploaded file
   # needs $ENV{'form.upfile'}
   # return $datatoken to be put into hidden field
   
   sub upfile_store {
       my $r=shift;
       $ENV{'form.upfile'}=~s/\r/\n/gs;
       $ENV{'form.upfile'}=~s/\f/\n/gs;
       $ENV{'form.upfile'}=~s/\n+/\n/gs;
       $ENV{'form.upfile'}=~s/\n+$//gs;
   
       my $datatoken=$ENV{'user.name'}.'_'.$ENV{'user.domain'}.
    '_enroll_'.$ENV{'request.course.id'}.'_'.time.'_'.$$;
       {
    my $fh=Apache::File->new('>'.$r->dir_config('lonDaemons').
    '/tmp/'.$datatoken.'.tmp');
    print $fh $ENV{'form.upfile'};
       }
       return $datatoken;
   }
   
   # ================================================= Load uploaded file from tmp
   # needs $ENV{'form.datatoken'}
   # sets $ENV{'form.upfile'} to the contents of the file
   
   sub load_tmp_file {
       my $r=shift;
       my @studentdata=();
       {
    my $fh;
    if ($fh=Apache::File->new($r->dir_config('lonDaemons').
     '/tmp/'.$ENV{'form.datatoken'}.'.tmp')) {
       @studentdata=<$fh>;
    }
       }
       $ENV{'form.upfile'}=join('',@studentdata);
   }
   
   # ========================================= Separate uploaded file into records
   # returns array of records
   # needs $ENV{'form.upfile'}
   # needs $ENV{'form.upfiletype'}
   
   sub upfile_record_sep {
       if ($ENV{'form.upfiletype'} eq 'xml') {
       } else {
    return split(/\n/,$ENV{'form.upfile'});
       }
   }
   
   # =============================================== Separate a record into fields
   # needs $ENV{'form.upfiletype'}
   # takes $record as arg
   sub record_sep {
       my $record=shift;
       my %components=();
       if ($ENV{'form.upfiletype'} eq 'xml') {
       } elsif ($ENV{'form.upfiletype'} eq 'space') {
           my $i=0;
           foreach (split(/\s+/,$record)) {
               my $field=$_;
               $field=~s/^(\"|\')//;
               $field=~s/(\"|\')$//;
               $components{$i}=$field;
               $i++;
           }
       } elsif ($ENV{'form.upfiletype'} eq 'tab') {
           my $i=0;
           foreach (split(/\t+/,$record)) {
               my $field=$_;
               $field=~s/^(\"|\')//;
               $field=~s/(\"|\')$//;
               $components{$i}=$field;
               $i++;
           }
       } else {
           my @allfields=split(/\,/,$record);
           my $i=0;
           my $j;
           for ($j=0;$j<=$#allfields;$j++) {
               my $field=$allfields[$j];
               if ($field=~/^\s*(\"|\')/) {
    my $delimiter=$1;
                   while (($field!~/$delimiter$/) && ($j<$#allfields)) {
       $j++;
       $field.=','.$allfields[$j];
    }
                   $field=~s/^\s*$delimiter//;
                   $field=~s/$delimiter\s*$//;
               }
               $components{$i}=$field;
       $i++;
           }
       }
       return %components;
   }
   
   # =============================== HTML code to select file and specify its type
   sub upfile_select_html {
       return (<<'ENDUPFORM');
   <input type="file" name="upfile" size="50">
   <br />Type: <select name="upfiletype">
   <option value="csv">CSV (comma separated values, spreadsheet)</option>
   <option value="space">Space separated</option>
   <option value="tab">Tabulator separated</option>
   <option value="xml">HTML/XML</option>
   </select>
   ENDUPFORM
   }
   
   # ===================Prints a table of sample values from each column uploaded
   # $r is an Apache Request ref
   # $records is an arrayref from &Apache::loncommon::upfile_record_sep
   sub csv_print_samples {
       my ($r,$records) = @_;
       my (%sone,%stwo,%sthree);
       %sone=&record_sep($$records[0]);
       if (defined($$records[1])) {%stwo=&record_sep($$records[1]);}
       if (defined($$records[2])) {%sthree=&record_sep($$records[2]);}
   
       $r->print('Samples<br /><table border="2"><tr>');
       foreach (sort({$a <=> $b} keys(%sone))) { $r->print('<th>Column&nbsp;'.($_+1).'</th>'); }
       $r->print('</tr>');
       foreach my $hash (\%sone,\%stwo,\%sthree) {
    $r->print('<tr>');
    foreach (sort({$a <=> $b} keys(%sone))) {
       $r->print('<td>');
       if (defined($$hash{$_})) { $r->print($$hash{$_}); }
       $r->print('</td>');
    }
    $r->print('</tr>');
       }
       $r->print('</tr></table><br />'."\n");
   }
   
   # ======Prints a table to create associations between values and table columns
   # $r is an Apache Request ref
   # $records is an arrayref from &Apache::loncommon::upfile_record_sep
   # $d is an array of 2 element arrays (internal name, displayed name)
   sub csv_print_select_table {
       my ($r,$records,$d) = @_;
       my $i=0;my %sone;
       %sone=&record_sep($$records[0]);
       $r->print('Associate columns with student attributes.'."\n".
        '<table border="2"><tr><th>Attribute</th><th>Column</th></tr>'."\n");
       foreach (@$d) {
    my ($value,$display)=@{ $_ };
    $r->print('<tr><td>'.$display.'</td>');
   
    $r->print('<td><select name=f'.$i.
     ' onChange="flip(this.form,'.$i.');">');
    $r->print('<option value="none"></option>');
    foreach (sort({$a <=> $b} keys(%sone))) {
       $r->print('<option value="'.$_.'">Column '.($_+1).'</option>');
    }
    $r->print('</select></td></tr>'."\n");
    $i++;
       }
       $i--;
       return $i;
   }
   
   # ===================Prints a table of sample values from the upload and
   #                      can make associate samples to internal names
   # $r is an Apache Request ref
   # $records is an arrayref from &Apache::loncommon::upfile_record_sep
   # $d is an array of 2 element arrays (internal name, displayed name)
   sub csv_samples_select_table {
       my ($r,$records,$d) = @_;
       my %sone; my %stwo; my %sthree;
       my $i=0;
   
       $r->print('<table border=2><tr><th>Field</th><th>Samples</th></tr>');
       %sone=&record_sep($$records[0]);
       if (defined($$records[1])) {%stwo=&record_sep($$records[1]);}
       if (defined($$records[2])) {%sthree=&record_sep($$records[2]);}
   
       foreach (sort keys %sone) {
    $r->print('<tr><td><select name=f'.$i.
     ' onChange="flip(this.form,'.$i.');">');
    foreach (@$d) {
       my ($value,$display)=@{ $_ };
       $r->print('<option value='.$value.'>'.$display.'</option>');
    }
    $r->print('</select></td><td>');
    if (defined($sone{$_})) { $r->print($sone{$_}."</br>\n"); }
    if (defined($stwo{$_})) { $r->print($stwo{$_}."</br>\n"); }
    if (defined($sthree{$_})) { $r->print($sthree{$_}."</br>\n"); }
    $r->print('</td></tr>');
    $i++;
       }
       $i--;
       return($i);
   }
 1;  1;
 __END__;  __END__;
   
Removed from v.1.30  
changed lines
  Added in v.1.31

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