version 1.21.2.1, 2003/12/05 22:24:20
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version 1.25, 2003/09/12 18:59:48
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Line 48 Spreadsheet
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Line 48 Spreadsheet
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package Apache::Spreadsheet; |
package Apache::Spreadsheet; |
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use strict; |
use strict; |
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#use warnings FATAL=>'all'; |
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#no warnings 'uninitialized'; |
use Apache::Constants qw(:common :http); |
use Apache::Constants qw(:common :http); |
use Apache::lonnet; |
use Apache::lonnet; |
use Safe; |
use Safe; |
Line 90 sub new {
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Line 92 sub new {
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type => $stype, |
type => $stype, |
symb => $usymb, |
symb => $usymb, |
errorlog => '', |
errorlog => '', |
maxrow => '', |
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'}, |
Line 229 sub initialize {
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Line 231 sub initialize {
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# the descendents of the spreadsheet class. |
# the descendents of the spreadsheet class. |
} |
} |
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sub clear_package { |
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# This method is here to remind you that it will be overridden by |
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# the descendents of the spreadsheet class. |
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} |
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sub cleanup { |
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my $self = shift(); |
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$self->clear_package(); |
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} |
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sub initialize_spreadsheet_package { |
sub initialize_spreadsheet_package { |
&load_spreadsheet_expirationdates(); |
&load_spreadsheet_expirationdates(); |
&clear_spreadsheet_definition_cache(); |
&clear_spreadsheet_definition_cache(); |
Line 248 sub load_spreadsheet_expirationdates {
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Line 260 sub load_spreadsheet_expirationdates {
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sub check_expiration_time { |
sub check_expiration_time { |
my $self = shift; |
my $self = shift; |
my ($time)=@_; |
my ($time)=@_; |
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return 0 if (! defined($time)); |
my ($key1,$key2,$key3,$key4,$key5); |
my ($key1,$key2,$key3,$key4,$key5); |
# Description of keys |
# Description of keys |
# |
# |
Line 286 Returns the safe space required by a Spr
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Line 299 Returns the safe space required by a Spr
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=cut |
=cut |
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###################################################### |
###################################################### |
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{ |
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my $safeeval; |
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sub initialize_safe_space { |
sub initialize_safe_space { |
my $self = shift; |
my $self = shift; |
my $safeeval = new Safe(shift); |
if (! defined($safeeval)) { |
my $safehole = new Safe::Hole; |
$safeeval = new Safe(shift); |
$safeeval->permit("entereval"); |
my $safehole = new Safe::Hole; |
$safeeval->permit(":base_math"); |
$safeeval->permit("entereval"); |
$safeeval->permit("sort"); |
$safeeval->permit(":base_math"); |
$safeeval->deny(":base_io"); |
$safeeval->permit("sort"); |
$safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&EXT'); |
$safeeval->deny(":base_io"); |
$safehole->wrap(\&mask,$safeeval,'&mask'); |
$safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&EXT'); |
$safeeval->share('$@'); |
$safehole->wrap(\&mask,$safeeval,'&mask'); |
my $code=<<'ENDDEFS'; |
$safeeval->share('$@'); |
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my $code=<<'ENDDEFS'; |
# ---------------------------------------------------- Inside of the safe space |
# ---------------------------------------------------- Inside of the safe space |
# |
# |
# f: formulas |
# f: formulas |
Line 659 sub calc {
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Line 677 sub calc {
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return $lastcalc.': Maximum calculation depth exceeded'; |
return $lastcalc.': Maximum calculation depth exceeded'; |
} |
} |
} |
} |
return 'okay'; |
return ''; |
} |
} |
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# ------------------------------------------- End of "Inside of the safe space" |
# ------------------------------------------- End of "Inside of the safe space" |
ENDDEFS |
ENDDEFS |
$safeeval->reval($code); |
$safeeval->reval($code); |
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} |
$self->{'safe'} = $safeeval; |
$self->{'safe'} = $safeeval; |
$self->{'root'} = $self->{'safe'}->root(); |
$self->{'root'} = $self->{'safe'}->root(); |
# |
# |
Line 678 ENDDEFS
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Line 697 ENDDEFS
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$self->{'safe'}->reval($initstring); |
$self->{'safe'}->reval($initstring); |
return $self; |
return $self; |
} |
} |
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} |
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###################################################### |
###################################################### |
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=pod |
=pod |
Line 1121 sub calcsheet {
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Line 1143 sub calcsheet {
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# $self->logthis($self->get_errorlog()); |
# $self->logthis($self->get_errorlog()); |
%{$self->{'values'}} = %{$self->{'safe'}->varglob('sheet_values')}; |
%{$self->{'values'}} = %{$self->{'safe'}->varglob('sheet_values')}; |
# $self->logthis($self->get_errorlog()); |
# $self->logthis($self->get_errorlog()); |
if ($result ne 'okay') { |
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$self->set_calcerror($result); |
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} |
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return $result; |
return $result; |
} |
} |
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sub set_badcalc { |
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my $self = shift(); |
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$self->{'badcalc'} =1; |
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return; |
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} |
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sub badcalc { |
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my $self = shift; |
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if (exists($self->{'badcalc'}) && $self->{'badcalc'}) { |
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return 1; |
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} else { |
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return 0; |
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} |
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} |
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sub set_calcerror { |
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my $self = shift; |
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if (@_) { |
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$self->set_badcalc(); |
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if (exists($self->{'calcerror'})) { |
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$self->{'calcerror'}.="\n".$_[0]; |
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} else { |
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$self->{'calcerror'}.=$_[0]; |
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} |
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} |
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} |
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sub calcerror { |
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my $self = shift; |
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if ($self->badcalc()) { |
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if (exists($self->{'calcerror'})) { |
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return $self->{'calcerror'}; |
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} |
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} |
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return; |
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} |
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########################################################### |
########################################################### |
## |
## |
## Output Helpers |
## Output Helpers |
Line 1186 sub display {
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Line 1166 sub display {
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} elsif ($outputmode eq 'csv') { |
} elsif ($outputmode eq 'csv') { |
$self->outsheet_csv($r); |
$self->outsheet_csv($r); |
} |
} |
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$self->cleanup(); |
return; |
return; |
} |
} |
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############################################ |
############################################ |
## HTML output routines ## |
## HTML output routines ## |
############################################ |
############################################ |
sub html_report_error { |
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my $self = shift(); |
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my $Str = ''; |
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if ($self->badcalc()) { |
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$Str = '<h3 style="color:red">'. |
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'An error occurred while calculating this spreadsheet'. |
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"</h3>\n". |
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'<pre>'.$self->calcerror()."</pre>\n"; |
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} |
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return $Str; |
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} |
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sub html_export_row { |
sub html_export_row { |
my $self = shift(); |
my $self = shift(); |
my ($color) = @_; |
my ($color) = @_; |
Line 1391 sub create_excel_spreadsheet {
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Line 1360 sub create_excel_spreadsheet {
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sub outsheet_excel { |
sub outsheet_excel { |
my $self = shift; |
my $self = shift; |
my ($r) = @_; |
my ($r) = @_; |
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my $connection = $r->connection(); |
$r->print("<h2>Preparing Excel Spreadsheet</h2>"); |
$r->print("<h2>Preparing Excel Spreadsheet</h2>"); |
# |
# |
# Create excel worksheet |
# Create excel worksheet |
Line 1414 sub outsheet_excel {
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Line 1384 sub outsheet_excel {
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$self->excel_output_row($worksheet,0,$rows_output++,'Summary'); |
$self->excel_output_row($worksheet,0,$rows_output++,'Summary'); |
$rows_output++; # skip a line |
$rows_output++; # skip a line |
# |
# |
$self->excel_rows($worksheet,$cols_output,$rows_output); |
$self->excel_rows($connection,$worksheet,$cols_output,$rows_output); |
# |
# |
# |
# |
# Close the excel file |
# Close the excel file |
$workbook->close(); |
$workbook->close(); |
$r->print($self->html_report_error()); |
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# |
# |
# Write a link to allow them to download it |
# Write a link to allow them to download it |
$r->print('<br />'. |
$r->print('<br />'. |
Line 1433 sub outsheet_excel {
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Line 1402 sub outsheet_excel {
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sub outsheet_csv { |
sub outsheet_csv { |
my $self = shift; |
my $self = shift; |
my ($r) = @_; |
my ($r) = @_; |
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my $connection = $r->connection(); |
my $csvdata = ''; |
my $csvdata = ''; |
my @Values; |
my @Values; |
# |
# |
Line 1456 sub outsheet_csv {
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Line 1426 sub outsheet_csv {
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} |
} |
# |
# |
# Output the body of the spreadsheet |
# Output the body of the spreadsheet |
$self->csv_rows($file); |
$self->csv_rows($connection,$file); |
# |
# |
# Close the csv file |
# Close the csv file |
close($file); |
close($file); |
$r->print($self->html_report_error()); |
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$r->print('<br /><br />'. |
$r->print('<br /><br />'. |
'<a href="'.$filename.'">Your CSV spreadsheet.</a>'."\n"); |
'<a href="'.$filename.'">Your CSV spreadsheet.</a>'."\n"); |
# |
# |
Line 1631 sub load {
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Line 1600 sub load {
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sub set_row_sources { |
sub set_row_sources { |
my $self = shift; |
my $self = shift; |
while (my ($cell,$value) = each(%{$self->{'formulas'}})) { |
while (my ($cell,$value) = each(%{$self->{'formulas'}})) { |
next if ($cell !~ /^A(\d+)/ && $1 > 0); |
next if ($cell !~ /^A(\d+)/ || $1 < 1); |
my $row = $1; |
my $row = $1; |
$self->{'row_source'}->{$row} = $value; |
$self->{'row_source'}->{$row} = $value; |
} |
} |
Line 1693 sub save {
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Line 1662 sub save {
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return $reply if ($reply ne 'ok'); |
return $reply if ($reply ne 'ok'); |
} |
} |
if ($self->is_default()) { |
if ($self->is_default()) { |
&Apache::lonnet::expirespread('','',$self->{'type'},''); |
if ($self->{'type'} eq 'studentcalc') { |
if ($self->{'type'} eq 'assesscalc') { |
&Apache::lonnet::expirespread('','','studentcalc',''); |
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} elsif ($self->{'type'} eq 'assesscalc') { |
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&Apache::lonnet::expirespread('','','assesscalc',''); |
&Apache::lonnet::expirespread('','','studentcalc',''); |
&Apache::lonnet::expirespread('','','studentcalc',''); |
} |
} |
} |
} |