Diff for /loncom/interface/spreadsheet/Spreadsheet.pm between versions 1.37.2.1 and 1.48

version 1.37.2.1, 2005/04/21 17:30:24 version 1.48, 2005/05/15 04:02:17
Line 86  sub new { Line 86  sub new {
     my ($stype) = ($class =~ /Apache::(.*)$/);      my ($stype) = ($class =~ /Apache::(.*)$/);
     #      #
     my ($name,$domain,$filename,$usymb)=@_;      my ($name,$domain,$filename,$usymb)=@_;
       if (defined($usymb) && ref($usymb)) {
           $usymb = $usymb->symb;
       }
     if (! defined($name) || $name eq '') {      if (! defined($name) || $name eq '') {
         $name = $ENV{'user.name'};          $name = $env{'user.name'};
     }      }
     if (! defined($domain) || $domain eq '') {      if (! defined($domain) || $domain eq '') {
         $domain = $ENV{'user.domain'};          $domain = $env{'user.domain'};
     }      }
     #      #
     my $self = {      my $self = {
Line 100  sub new { Line 103  sub new {
         symb     => $usymb,          symb     => $usymb,
         errorlog => '',          errorlog => '',
         maxrow   => 0,          maxrow   => 0,
         cid      => $ENV{'request.course.id'},          cid      => $env{'request.course.id'},
         cnum     => $ENV{'course.'.$ENV{'request.course.id'}.'.num'},          cnum     => $env{'course.'.$env{'request.course.id'}.'.num'},
         cdom     => $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},          cdom     => $env{'course.'.$env{'request.course.id'}.'.domain'},
         chome    => $ENV{'course.'.$ENV{'request.course.id'}.'.home'},          coursedesc => $env{'course.'.$env{'request.course.id'}.'.description'},
         coursedesc => $ENV{'course.'.$ENV{'request.course.id'}.'.description'},          coursefilename => $env{'request.course.fn'},
         coursefilename => $ENV{'request.course.fn'},  
         #          #
         # Flags          # Flags
         temporary => 0,  # true if this sheet has been modified but not saved          temporary => 0,  # true if this sheet has been modified but not saved
Line 123  sub new { Line 125  sub new {
         othersheets => [],          othersheets => [],
     };      };
     #      #
     $self->{'uhome'} = &Apache::lonnet::homeserver($name,$domain);  
     #  
     bless($self,$class);      bless($self,$class);
     #      #
     # Load in the spreadsheet definition      # Load in the spreadsheet definition
     $self->filename($filename);      $self->filename($filename);
     if (exists($ENV{'form.workcopy'}) &&       if (exists($env{'form.workcopy'}) && 
         $self->{'type'} eq $ENV{'form.workcopy'}) {          $self->{'type'} eq $env{'form.workcopy'}) {
         $self->load_tmp();          $self->load_tmp();
     } else {      } else {
         $self->load();          $self->load();
Line 157  sub filename { Line 157  sub filename {
             $newfilename !~ /\w/ || $newfilename eq '') {              $newfilename !~ /\w/ || $newfilename eq '') {
             my $key = 'course.'.$self->{'cid'}.'.spreadsheet_default_'.              my $key = 'course.'.$self->{'cid'}.'.spreadsheet_default_'.
                 $self->{'type'};                  $self->{'type'};
             if (exists($ENV{$key}) && $ENV{$key} ne '') {              if (exists($env{$key}) && $env{$key} ne '') {
                 $newfilename = $ENV{$key};                  $newfilename = $env{$key};
             } else {              } else {
                 $newfilename = 'default_'.$self->{'type'};                  $newfilename = 'default_'.$self->{'type'};
             }              }
Line 256  sub initialize_spreadsheet_package { Line 256  sub initialize_spreadsheet_package {
   
 sub load_spreadsheet_expirationdates {  sub load_spreadsheet_expirationdates {
     undef %expiredates;      undef %expiredates;
     my $cid=$ENV{'request.course.id'};      my $cid=$env{'request.course.id'};
     my @tmp = &Apache::lonnet::dump('nohist_expirationdates',      my @tmp = &Apache::lonnet::dump('nohist_expirationdates',
                                     $ENV{'course.'.$cid.'.domain'},                                      $env{'course.'.$cid.'.domain'},
                                     $ENV{'course.'.$cid.'.num'});                                      $env{'course.'.$cid.'.num'});
     if (lc($tmp[0]) !~ /^error/){      if (lc($tmp[0]) !~ /^error/){
         %expiredates = @tmp;          %expiredates = @tmp;
     }      }
Line 313  Returns the safe space required by a Spr Line 313  Returns the safe space required by a Spr
   
 sub initialize_safe_space {  sub initialize_safe_space {
   my $self = shift;    my $self = shift;
     my $usection = &Apache::lonnet::getsection($self->{'domain'},
                                                $self->{'name'},
                                                $env{'request.course.id'});
   if (! defined($safeeval)) {    if (! defined($safeeval)) {
       $safeeval = new Safe(shift);        $safeeval = new Safe(shift);
       my $safehole = new Safe::Hole;        my $safehole = new Safe::Hole;
Line 320  sub initialize_safe_space { Line 323  sub initialize_safe_space {
       $safeeval->permit(":base_math");        $safeeval->permit(":base_math");
       $safeeval->permit("sort");        $safeeval->permit("sort");
       $safeeval->deny(":base_io");        $safeeval->deny(":base_io");
       $safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&EXT');        $safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&Apache::lonnet::EXT');
       $safehole->wrap(\&mask,$safeeval,'&mask');        $safehole->wrap(\&mask,$safeeval,'&mask');
         $safehole->wrap(\&Apache::lonnet::logthis,$safeeval,'&logthis');
       $safeeval->share('$@');        $safeeval->share('$@');
       # Holds the (computed, final) values for the sheet
       # This is only written to by &calc, the spreadsheet computation routine.
       # It is read by many functions
         $safeeval->share('%sheet_values');
       my $code=<<'ENDDEFS';        my $code=<<'ENDDEFS';
 # ---------------------------------------------------- Inside of the safe space  # ---------------------------------------------------- Inside of the safe space
 #  #
Line 332  sub initialize_safe_space { Line 340  sub initialize_safe_space {
 # c: preloaded constants (A-column)  # c: preloaded constants (A-column)
 # rl: row label  # rl: row label
 # os: other spreadsheets (for student spreadsheet only)  # os: other spreadsheets (for student spreadsheet only)
 undef %sheet_values;   # Holds the (computed, final) values for the sheet  undef %t; # Holds the forumlas of the spreadsheet to be computed. Set in
     # This is only written to by &calc, the spreadsheet computation routine.      # &sett, which does the translation of strings like C5 into the value
     # It is read by many functions      # in C5. Used in &calc - %t holds the values that are actually eval'd.
 undef %t; # Holds the values of the spreadsheet temporarily. Set in &sett,   
     # which does the translation of strings like C5 into the value in C5.  
     # Used in &calc - %t holds the values that are actually eval'd.  
 undef %f;    # Holds the formulas for each cell.  This is the users  undef %f;    # Holds the formulas for each cell.  This is the users
     # (spreadsheet authors) data for each cell.      # (spreadsheet authors) data for each cell.
 undef %c; # Holds the constants for a sheet.  In the assessment  undef %c; # Holds the constants for a sheet.  In the assessment
Line 358  $filename = ''; Line 363  $filename = '';
 #  #
 # user data  # user data
 $name = '';  $name = '';
 $uhome = '';  
 $domain  = '';  $domain  = '';
 #  #
 # course data  # course data
 $csec = '';  $csec = '';
 $chome= '';  
 $cnum = '';  $cnum = '';
 $cdom = '';  $cdom = '';
 $cid  = '';  $cid  = '';
Line 379  $errormsg = ''; Line 382  $errormsg = '';
   
 =pod  =pod
   
   =item EXT(parameter)
   
   Calls the system EXT function to determine the value of the given parameter.
   
   =cut
   
   #-------------------------------------------------------
   sub EXT {
       my ($parameter) = @_;
       return '' if (! defined($parameter) || $parameter eq '');
       $parameter =~ s/^parameter\./resource\./;
       my $value = &Apache::lonnet::EXT($parameter,$symb,$domain,$name,$usection);
       return $value;
   }
   
   #-------------------------------------------------------
   
   =pod
   
 =item NUM(range)  =item NUM(range)
   
 returns the number of items in the range.  returns the number of items in the range.
Line 387  returns the number of items in the range Line 409  returns the number of items in the range
   
 #-------------------------------------------------------  #-------------------------------------------------------
 sub NUM {  sub NUM {
     my $mask=&mask(@_);      my $values=&get_values(@_);
     my $num= $#{@{grep(eval("/$mask/"),keys(%sheet_values))}}+1;      my $num= scalar(@$values);
     return $num;         return $num;   
 }  }
   
Line 403  sub NUM { Line 425  sub NUM {
 #-------------------------------------------------------  #-------------------------------------------------------
 sub BIN {  sub BIN {
     my ($low,$high,$lower,$upper)=@_;      my ($low,$high,$lower,$upper)=@_;
     my $mask=&mask($lower,$upper);      my $values=&get_values($lower,$upper);
     my $num=0;      my $num=0;
     foreach (grep eval("/$mask/"),keys(%sheet_values)) {      foreach (@$values) {
         if (($sheet_values{$_}>=$low) && ($sheet_values{$_}<=$high)) {          if (($_>=$low) && ($_<=$high)) {
             $num++;              $num++;
         }          }
     }      }
Line 425  returns the sum of items in the range. Line 447  returns the sum of items in the range.
   
 #-------------------------------------------------------  #-------------------------------------------------------
 sub SUM {  sub SUM {
     my $mask=&mask(@_);      my $values=&get_values(@_);
     my $sum=0;      my $sum=0;
     foreach (grep eval("/$mask/"),keys(%sheet_values)) {      foreach (@$values) {
         $sum+=$sheet_values{$_};          $sum+=$_;
     }      }
     return $sum;         return $sum;   
 }  }
Line 445  compute the average of the items in the Line 467  compute the average of the items in the
   
 #-------------------------------------------------------  #-------------------------------------------------------
 sub MEAN {  sub MEAN {
     my $mask=&mask(@_);      my $values=&get_values(@_);
     my $sum=0;       my $sum=0; 
     my $num=0;      my $num=0;
     foreach (grep eval("/$mask/"),keys(%sheet_values)) {      foreach (@$values) {
         $sum+=$sheet_values{$_};          $sum+=$_;
         $num++;          $num++;
     }      }
     if ($num) {      if ($num) {
Line 471  compute the standard deviation of the it Line 493  compute the standard deviation of the it
   
 #-------------------------------------------------------  #-------------------------------------------------------
 sub STDDEV {  sub STDDEV {
     my $mask=&mask(@_);      my $values=&get_values(@_);
     my $sum=0; my $num=0;      my $sum=0; my $num=0;
     foreach (grep eval("/$mask/"),keys(%sheet_values)) {      foreach (@$values) {
         $sum+=$sheet_values{$_};          $sum+=$_;
         $num++;          $num++;
     }      }
     unless ($num>1) { return undef; }      unless ($num>1) { return undef; }
     my $mean=$sum/$num;      my $mean=$sum/$num;
     $sum=0;      $sum=0;
     foreach (grep eval("/$mask/"),keys(%sheet_values)) {      foreach (@$values) {
         $sum+=($sheet_values{$_}-$mean)**2;          $sum+=($_-$mean)**2;
     }      }
     return sqrt($sum/($num-1));          return sqrt($sum/($num-1));    
 }  }
Line 498  compute the product of the items in the Line 520  compute the product of the items in the
   
 #-------------------------------------------------------  #-------------------------------------------------------
 sub PROD {  sub PROD {
     my $mask=&mask(@_);      my $values=&get_values(@_);
     my $prod=1;      my $prod=1;
     foreach (grep eval("/$mask/"),keys(%sheet_values)) {      foreach (@$values) {
         $prod*=$sheet_values{$_};          $prod*=$_;
     }      }
     return $prod;         return $prod;   
 }  }
Line 518  compute the maximum of the items in the Line 540  compute the maximum of the items in the
   
 #-------------------------------------------------------  #-------------------------------------------------------
 sub MAX {  sub MAX {
     my $mask=&mask(@_);      my $values=&get_values(@_);
     my $max='-';      my $max='-';
     foreach (grep eval("/$mask/"),keys(%sheet_values)) {      foreach (@$values) {
         unless ($max) { $max=$sheet_values{$_}; }          if (($_>$max) || ($max eq '-')) { 
         if (($sheet_values{$_}>$max) || ($max eq '-')) {               $max=$_; 
             $max=$sheet_values{$_};   
         }          }
     }       } 
     return $max;         return $max;   
Line 541  compute the minimum of the items in the Line 562  compute the minimum of the items in the
   
 #-------------------------------------------------------  #-------------------------------------------------------
 sub MIN {  sub MIN {
     my $mask=&mask(@_);      my $values=&get_values(@_);
     my $min='-';      my $min='-';
     foreach (grep eval("/$mask/"),keys(%sheet_values)) {      foreach (@$values) {
         unless ($max) { $max=$sheet_values{$_}; }          if (($_<$min) || ($min eq '-')) { 
         if (($sheet_values{$_}<$min) || ($min eq '-')) {               $min=$_; 
             $min=$sheet_values{$_};   
         }          }
     }      }
     return $min;         return $min;   
Line 566  compute the sum of the largest 'num' ite Line 586  compute the sum of the largest 'num' ite
 #-------------------------------------------------------  #-------------------------------------------------------
 sub SUMMAX {  sub SUMMAX {
     my ($num,$lower,$upper)=@_;      my ($num,$lower,$upper)=@_;
     my $mask=&mask($lower,$upper);      my $values=&get_values($lower,$upper);
     my @inside=();      my @inside=sort {$a <=> $b} (@$values);
     foreach (grep eval("/$mask/"),keys(%sheet_values)) {  
  push (@inside,$sheet_values{$_});  
     }  
     @inside=sort(@inside);  
     my $sum=0; my $i;      my $sum=0; my $i;
     for ($i=$#inside;(($i>$#inside-$num) && ($i>=0));$i--) {       for ($i=$#inside;(($i>$#inside-$num) && ($i>=0));$i--) { 
         $sum+=$inside[$i];          $sum+=$inside[$i];
Line 593  compute the sum of the smallest 'num' it Line 609  compute the sum of the smallest 'num' it
 #-------------------------------------------------------  #-------------------------------------------------------
 sub SUMMIN {  sub SUMMIN {
     my ($num,$lower,$upper)=@_;      my ($num,$lower,$upper)=@_;
     my $mask=&mask($lower,$upper);      my $values=&get_values($lower,$upper);
     my @inside=();      my @inside=sort {$a <=> $b} (@$values);
     foreach (grep eval("/$mask/"),keys(%sheet_values)) {  
  $inside[$#inside+1]=$sheet_values{$_};  
     }  
     @inside=sort(@inside);  
     my $sum=0; my $i;      my $sum=0; my $i;
     for ($i=0;(($i<$num) && ($i<=$#inside));$i++) {       for ($i=0;(($i<$num) && ($i<=$#inside));$i++) { 
         $sum+=$inside[$i];          $sum+=$inside[$i];
Line 654  sub MAXPARM { Line 666  sub MAXPARM {
     return $max;      return $max;
 }  }
   
   #-------------------------------------------------------
   
   =pod
   
   =item  &get_values($lower,$upper)
   
   Inputs: $lower and $upper, cell names ("X12" or "a150") or globs ("X*").
   
   Returns: an array ref of the values of the cells that exist in the 
            speced range
   
   =cut
   
   #-------------------------------------------------------
   sub get_values {
       my ($lower,$upper)=@_;
       $upper = $lower if (! defined($upper));
       my @values;
       my ($la,$ld) = ($lower=~/([A-z]|\*)(\d+|\*)/);
       my ($ua,$ud) = ($upper=~/([A-z]|\*)(\d+|\*)/);
       my ($alpha,$num);
       if ($ld ne '*' && $ud ne '*') {
    my @alpha;
    if (($la eq '*') || ($ua eq '*')) {
       @alpha=('A'..'z');
    } else {
       if ($la gt $ua) { ($la,$ua)=($ua,$la); }
       if ((lc($la) ne $la) && (lc($ua) eq $ua)) {
    @alpha=($la..'Z','a'..$ua);
       } else {
    @alpha=($la..$ua);
               }
    }
    my @num=($ld..$ud);
    foreach my $a (@alpha) {
       foreach my $n (@num) {
    if (exists($sheet_values{$a.$n})) {
       push(@values,$sheet_values{$a.$n});
    }
       }
    }
    return \@values;
       } else {
    $num = '(\d+)';
       }
       if (($la eq '*') || ($ua eq '*')) {
           $alpha='[A-z]';
       } else {
    if ($la gt $ua) { ($la,$ua)=($ua,$la); }
           $alpha=qq/[$la-$ua]/;
       }
       my $expression = '^'.$alpha.$num.'$';
       foreach (grep /$expression/,keys(%sheet_values)) {
    push(@values,$sheet_values{$_});
       }
       return \@values;
   }
   
 sub calc {  sub calc {
     %sheet_values = %t;  
     my $notfinished = 1;      my $notfinished = 1;
     my $lastcalc = '';      my $lastcalc = '';
     my $depth = 0;      my $depth = 0;
Line 696  ENDDEFS Line 764  ENDDEFS
     # Place some of the %$self  items into the safe space except the safe space      # Place some of the %$self  items into the safe space except the safe space
     # itself      # itself
     my $initstring = '';      my $initstring = '';
     foreach (qw/name domain type usymb cid csec coursefilename      foreach (qw/name domain type symb cid csec coursefilename
              cnum cdom chome uhome/) {               cnum cdom/) {
         $initstring.= qq{\$$_="$self->{$_}";};          $initstring.= qq{\$$_="$self->{$_}";};
     }      }
       $initstring.=qq{\$usection="$usection";};
     $self->{'safe'}->reval($initstring);      $self->{'safe'}->reval($initstring);
     return $self;      return $self;
 }  }
Line 716  ENDDEFS Line 785  ENDDEFS
   
 ######################################################  ######################################################
   
   
 ######################################################  
   
 =pod  
   
 =item  &mask($lower,$upper)  
   
 Inputs: $lower and $upper, cell names ("X12" or "a150") or globs ("X*").  
   
 Returns:  Regular expression matching spreadsheet cells that are within  
 the rectangle defined by $lower and $upper.  Due to the nature of the  
 regular expression this result must be used inside an eval().  
   
 =cut  
   
 ######################################################  
 {  
   
 my %memoizer;  
   
 sub mask {  
     my ($lower,$upper)=@_;  
     my $key = $lower.'_'.$upper;  
     if (exists($memoizer{$key})) {  
         return $memoizer{$key};  
     }  
     $upper = $lower if (! defined($upper));  
     #  
     my ($la,$ld) = ($lower=~/([A-z]|\*)(\d+|\*)/);  
     my ($ua,$ud) = ($upper=~/([A-z]|\*)(\d+|\*)/);  
     #  
     my $alpha='';  
     my $num='';  
     #  
     # Do not put parenthases around $alpha.  
     # $num depends on the value in $1.  
     if (($la eq '*') || ($ua eq '*')) {  
         $alpha='[A-z]';  
     } else {  
         if ($la gt $ua) {  
             my $tmp = $ua;  
             $ua = $la;  
             $la = $ua;  
         }  
         $alpha=qq/[$la-$ua]/;  
     }  
     if ($ld ne '*' && $ud ne '*') {  
         # Make sure $ld <= $ud  
         if ($ld > $ud) {  
             my $tmp = $ud;  
             $ud = $ld;  
             $ld = $tmp;  
         }  
         # Here we make a regular expression using some advanced regexp  
         # abilities.  
         # (\d+) will match the digits of the cell name and dump them in  
         #     to $1  
         # (?(?{ ... code ...} pattern_if_true | pattern_if_false)) will  
         #     choose pattern_if_true if { ... code ... } is true and  
         #     pattern_if_false if { ... code ... } is false.  
         # In this case, pattern_if_true is empty.  pattern_if_false is   
         #     'donotmatch' and will not match our cells because none of   
         #     them end with donotmatch.    
         # Unfortunately, the use of this type of regular expression   
         #     requires that each match be wrapped in an eval().  Search for  
         #     $mask in this module for examples  
         $num = '(\d+)(?(?{$1>= '.$ld.' && $1<='.$ud.'})|donotmatch)';  
     } else {  
         $num = '(\d+)';  
     }  
     my $expression = '^'.$alpha.$num.'$';  
     $memoizer{$key} = $expression;  
     return $expression;  
 }  
   
 #  
 # Debugging routine  
 sub dump_memoized_values {  
     while (my ($key,$value) = each(%memoizer)) {  
         &Apache::lonnet::logthis('memoizer: '.$key.' = '.$value);  
     }  
     return;  
 }  
   
 }  
   
 ##  ##
 ## sub add_hash_to_safe {} # spreadsheet, would like to destroy  ## sub add_hash_to_safe {} # spreadsheet, would like to destroy
 ##  ##
Line 881  sub expandnamed { Line 864  sub expandnamed {
 sub sett {  sub sett {
     my $self = shift;      my $self = shift;
     my %t=();      my %t=();
       undef(%Apache::Spreadsheet::sheet_values);
     #      #
     # Deal with the template row      # Deal with the template row
     foreach my $col ($self->template_cells()) {      foreach my $col ($self->template_cells()) {
Line 913  sub sett { Line 897  sub sett {
         } elsif  ( $col  =~ /^[A-Z]$/  ) {          } elsif  ( $col  =~ /^[A-Z]$/  ) {
             if ($formula !~ /^\!/ && exists($self->{'constants'}->{$cell})              if ($formula !~ /^\!/ && exists($self->{'constants'}->{$cell})
  && $self->{'constants'}->{$cell} ne '') {   && $self->{'constants'}->{$cell} ne '') {
                 my $data = $self->{'constants'}->{$cell};   $Apache::Spreadsheet::sheet_values{$cell}=
                 $t{$cell} = $data;      eval($self->{'constants'}->{$cell});
             }              }
         } else { # $row > 1 and $col =~ /[a-z]          } else { # $row > 1 and $col =~ /[a-z]
             $t{$cell}=$formula;              $t{$cell}=$formula;
Line 933  sub sett { Line 917  sub sett {
 sub sync_safe_space {  sub sync_safe_space {
     my $self = shift;      my $self = shift;
     # Inside the safe space 'formulas' has a diabolical alter-ego named 'f'.      # Inside the safe space 'formulas' has a diabolical alter-ego named 'f'.
     %{$self->{'safe'}->varglob('f')}=%{$self->{'formulas'}};      #%{$self->{'safe'}->varglob('f')}=%{$self->{'formulas'}};
     # 'constants' leads a peaceful hidden life of 'c'.      # 'constants' leads a peaceful hidden life of 'c'.
     %{$self->{'safe'}->varglob('c')}=%{$self->{'constants'}};      %{$self->{'safe'}->varglob('c')}=%{$self->{'constants'}};
     # 'othersheets' hides as 'os', a disguise few can penetrate.      # 'othersheets' hides as 'os', a disguise few can penetrate.
     @{$self->{'safe'}->varglob('os')}=@{$self->{'othersheets'}};      #@{$self->{'safe'}->varglob('os')}=@{$self->{'othersheets'}};
 }  }
   
 ##  ##
Line 1197  sub display { Line 1181  sub display {
     my ($r) = @_;      my ($r) = @_;
     my $outputmode = 'html';      my $outputmode = 'html';
     foreach ($self->output_options()) {      foreach ($self->output_options()) {
         if ($ENV{'form.output_format'} eq $_->{'value'}) {          if ($env{'form.output_format'} eq $_->{'value'}) {
             $outputmode = $_->{'value'};              $outputmode = $_->{'value'};
             last;              last;
         }          }
Line 1241  sub html_export_row { Line 1225  sub html_export_row {
     my $self = shift();      my $self = shift();
     my ($color) = @_;      my ($color) = @_;
     $color = '#CCCCFF' if (! defined($color));      $color = '#CCCCFF' if (! defined($color));
     my $allowed = &Apache::lonnet::allowed('mgr',$ENV{'request.course.id'});      my $allowed = &Apache::lonnet::allowed('mgr',$env{'request.course.id'});
     my $row_html;      my $row_html;
     my @rowdata = $self->get_row(0);      my @rowdata = $self->get_row(0);
     foreach my $cell (@rowdata) {      foreach my $cell (@rowdata) {
Line 1258  sub html_export_row { Line 1242  sub html_export_row {
   
 sub html_template_row {  sub html_template_row {
     my $self = shift();      my $self = shift();
     my $allowed = &Apache::lonnet::allowed('mgr',$ENV{'request.course.id'});      my $allowed = &Apache::lonnet::allowed('mgr',$env{'request.course.id'});
     my ($num_uneditable,$importcolor) = @_;      my ($num_uneditable,$importcolor) = @_;
     my $row_html;      my $row_html;
     my @rowdata = $self->get_template_row();      my @rowdata = $self->get_template_row();
Line 1325  sub html_uneditable_cell { Line 1309  sub html_uneditable_cell {
 sub html_row {  sub html_row {
     my $self = shift();      my $self = shift();
     my ($num_uneditable,$row,$exportcolor,$importcolor) = @_;      my ($num_uneditable,$row,$exportcolor,$importcolor) = @_;
     my $allowed = &Apache::lonnet::allowed('mgr',$ENV{'request.course.id'});      my $allowed = &Apache::lonnet::allowed('mgr',$env{'request.course.id'});
     my @rowdata = $self->get_row($row);      my @rowdata = $self->get_row($row);
     my $num_cols_output = 0;      my $num_cols_output = 0;
     my $row_html;      my $row_html;
Line 1349  sub html_row { Line 1333  sub html_row {
   
 sub html_header {  sub html_header {
     my $self = shift;      my $self = shift;
     return '' if (! $ENV{'request.role.adv'});      return '' if (! $env{'request.role.adv'});
     return "<table>\n".      return "<table>\n".
         '<tr><th align="center">'.&mt('Output Format').'</th></tr>'."\n".          '<tr><th align="center">'.&mt('Output Format').'</th></tr>'."\n".
         '<tr><td>'.$self->output_selector()."</td></tr>\n".          '<tr><td>'.$self->output_selector()."</td></tr>\n".
Line 1374  sub output_selector { Line 1358  sub output_selector {
     my $self = shift();      my $self = shift();
     my $output_selector = '<select name="output_format" size="3">'."\n";      my $output_selector = '<select name="output_format" size="3">'."\n";
     my $default = 'html';      my $default = 'html';
     if (exists($ENV{'form.output_format'})) {      if (exists($env{'form.output_format'})) {
         $default = $ENV{'form.output_format'}           $default = $env{'form.output_format'} 
     } else {      } else {
         $ENV{'form.output_format'} = $default;          $env{'form.output_format'} = $default;
     }      }
     foreach  ($self->output_options()) {      foreach  ($self->output_options()) {
         $output_selector.='<option value="'.$_->{'value'}.'"';          $output_selector.='<option value="'.$_->{'value'}.'"';
Line 1408  sub excel_output_row { Line 1392  sub excel_output_row {
     return;      return;
 }  }
   
 sub create_excel_spreadsheet {  
     my $self = shift;  
     my ($r) = @_;  
     my $filename = '/prtspool/'.  
         $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.  
         time.'_'.rand(1000000000).'.xls';  
     my $workbook  = Spreadsheet::WriteExcel->new('/home/httpd'.$filename);  
     if (! defined($workbook)) {  
         $r->log_error("Error creating excel spreadsheet $filename: $!");  
         $r->print(&mt("Problems creating new Excel file.  ".  
                   "This error has been logged.  ".  
                   "Please alert your LON-CAPA administrator"));  
         return undef;  
     }  
     #  
     # The excel spreadsheet stores temporary data in files, then put them  
     # together.  If needed we should be able to disable this (memory only).  
     # The temporary directory must be specified before calling 'addworksheet'.  
     # File::Temp is used to determine the temporary directory.  
     $workbook->set_tempdir('/home/httpd/perl/tmp');  
     #  
     # Determine the name to give the worksheet  
     return ($workbook,$filename);  
 }  
   
 #  #
 # This routine is just a stub   # This routine is just a stub 
 sub outsheet_htmlclasslist {  sub outsheet_htmlclasslist {
Line 1453  sub outsheet_excel { Line 1412  sub outsheet_excel {
     #      #
     $r->print("<h2>".&mt('Preparing Excel Spreadsheet')."</h2>");      $r->print("<h2>".&mt('Preparing Excel Spreadsheet')."</h2>");
     #      #
     # Create excel worksheet      # Create excel workbook
     my ($workbook,$filename) = $self->create_excel_spreadsheet($r);      my ($workbook,$filename,$format)=&Apache::loncommon::create_workbook($r);
     return if (! defined($workbook));      return if (! defined($workbook));
     #      #
     # Create main worksheet      # Create main worksheet
Line 1465  sub outsheet_excel { Line 1424  sub outsheet_excel {
     # Write excel header      # Write excel header
     foreach my $value ($self->get_title()) {      foreach my $value ($self->get_title()) {
         $cols_output = 0;          $cols_output = 0;
         $worksheet->write($rows_output++,$cols_output,$value);          $worksheet->write($rows_output++,$cols_output,$value,$format->{'h1'});
     }      }
     $rows_output++;    # skip a line      $rows_output++;    # skip a line
     #      #
     # Write summary/export row      # Write summary/export row
     $cols_output = 0;      $cols_output = 0;
     $self->excel_output_row($worksheet,0,$rows_output++,'Summary');      $self->excel_output_row($worksheet,0,$rows_output++,'Summary',
                               $format->{'b'});
     $rows_output++;    # skip a line      $rows_output++;    # skip a line
     #      #
     $self->excel_rows($connection,$worksheet,$cols_output,$rows_output);      $self->excel_rows($connection,$worksheet,$cols_output,$rows_output,
                         $format);
     #      #
     #      #
     # Close the excel file      # Close the excel file
Line 1502  sub outsheet_csv   { Line 1463  sub outsheet_csv   {
     #      #
     # Open the csv file      # Open the csv file
     my $filename = '/prtspool/'.      my $filename = '/prtspool/'.
         $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.          $env{'user.name'}.'_'.$env{'user.domain'}.'_'.
         time.'_'.rand(1000000000).'.csv';          time.'_'.rand(1000000000).'.csv';
     my $file;      my $file;
     unless ($file = Apache::File->new('>'.'/home/httpd'.$filename)) {      unless ($file = Apache::File->new('>'.'/home/httpd'.$filename)) {
Line 1642  sub load { Line 1603  sub load {
     my $stype = $self->{'type'};      my $stype = $self->{'type'};
     my $cnum  = $self->{'cnum'};      my $cnum  = $self->{'cnum'};
     my $cdom  = $self->{'cdom'};      my $cdom  = $self->{'cdom'};
     my $chome = $self->{'chome'};  
     #      #
     my $filename = $self->filename();      my $filename = $self->filename();
     my $cachekey = join('_',($cnum,$cdom,$stype,$filename));      my $cachekey = join('_',($cnum,$cdom,$stype,$filename));
Line 1739  sub save { Line 1699  sub save {
         my $stype = $self->{'type'};          my $stype = $self->{'type'};
         my $cnum  = $self->{'cnum'};          my $cnum  = $self->{'cnum'};
         my $cdom  = $self->{'cdom'};          my $cdom  = $self->{'cdom'};
         my $chome = $self->{'chome'};  
         my $filename    = $self->{'filename'};          my $filename    = $self->{'filename'};
         my $cachekey = join('_',($cnum,$cdom,$stype,$filename));          my $cachekey = join('_',($cnum,$cdom,$stype,$filename));
         # Cache new sheet          # Cache new sheet
Line 1751  sub save { Line 1710  sub save {
         my $reply = &Apache::lonnet::put($filename,\%f,$cdom,$cnum);          my $reply = &Apache::lonnet::put($filename,\%f,$cdom,$cnum);
         return $reply if ($reply ne 'ok');          return $reply if ($reply ne 'ok');
         $reply = &Apache::lonnet::put($stype.'_spreadsheets',          $reply = &Apache::lonnet::put($stype.'_spreadsheets',
                      {$filename => $ENV{'user.name'}.'@'.$ENV{'user.domain'}},                       {$filename => $env{'user.name'}.'@'.$env{'user.domain'}},
                                       $cdom,$cnum);                                        $cdom,$cnum);
         return $reply if ($reply ne 'ok');          return $reply if ($reply ne 'ok');
         if ($makedef) {           if ($makedef) { 
Line 1777  sub save { Line 1736  sub save {
   
 sub save_tmp {  sub save_tmp {
     my $self = shift;      my $self = shift;
     my $filename=$ENV{'user.name'}.'_'.      my $filename=$env{'user.name'}.'_'.
         $ENV{'user.domain'}.'_spreadsheet_'.$self->{'symb'}.'_'.          $env{'user.domain'}.'_spreadsheet_'.$self->{'symb'}.'_'.
            $self->{'filename'};             $self->{'filename'};
     $filename=~s/\W/\_/g;      $filename=~s/\W/\_/g;
     $filename=$Apache::lonnet::tmpdir.$filename.'.tmp';      $filename=$Apache::lonnet::tmpdir.$filename.'.tmp';
Line 1797  sub save_tmp { Line 1756  sub save_tmp {
   
 sub load_tmp {  sub load_tmp {
     my $self = shift;      my $self = shift;
     my $filename=$ENV{'user.name'}.'_'.      my $filename=$env{'user.name'}.'_'.
         $ENV{'user.domain'}.'_spreadsheet_'.$self->{'symb'}.'_'.          $env{'user.domain'}.'_spreadsheet_'.$self->{'symb'}.'_'.
             $self->{'filename'};              $self->{'filename'};
     $filename=~s/\W/\_/g;      $filename=~s/\W/\_/g;
     $filename=$Apache::lonnet::tmpdir.$filename.'.tmp';      $filename=$Apache::lonnet::tmpdir.$filename.'.tmp';

Removed from v.1.37.2.1  
changed lines
  Added in v.1.48


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