--- loncom/interface/Attic/lonspreadsheet.pm 2000/12/30 17:13:54 1.20 +++ loncom/interface/Attic/lonspreadsheet.pm 2002/10/22 13:29:57 1.122 @@ -1,11 +1,57 @@ +# +# $Id: lonspreadsheet.pm,v 1.122 2002/10/22 13:29:57 matthew Exp $ +# +# Copyright Michigan State University Board of Trustees +# +# This file is part of the LearningOnline Network with CAPA (LON-CAPA). +# +# LON-CAPA is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# LON-CAPA is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LON-CAPA; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# /home/httpd/html/adm/gpl.txt +# +# http://www.lon-capa.org/ +# # The LearningOnline Network with CAPA # Spreadsheet/Grades Display Handler # -# 11/11,11/15,11/27,12/04,12/05,12/06,12/07, -# 12/08,12/09,12/11,12/12,12/15,12/16,12/18,12/19,12/30 Gerd Kortemeyer +# POD required stuff: -package Apache::lonspreadsheet; +=head1 NAME +lonspreadsheet + +=head1 SYNOPSIS + +Spreadsheet interface to internal LON-CAPA data + +=head1 DESCRIPTION + +Lonspreadsheet provides course coordinators the ability to manage their +students grades online. The students are able to view their own grades, but +not the grades of their peers. The spreadsheet is highly customizable, +offering the ability to use Perl code to manipulate data, as well as many +built-in functions. + +=head2 Functions available to user of lonspreadsheet + +=over 4 + +=cut + +package Apache::lonspreadsheet; + use strict; use Safe; use Safe::Hole; @@ -14,12 +60,39 @@ use Apache::lonnet; use Apache::Constants qw(:common :http); use GDBM_File; use HTML::TokeParser; +use Apache::lonhtmlcommon; +use Apache::loncoursedata; +# +# Caches for coursewide information +# +my %Section; + +# +# Caches for previously calculated spreadsheets +# + +my %oldsheets; +my %loadedcaches; +my %expiredates; + +# +# Cache for stores of an individual user +# + +my $cachedassess; +my %cachedstores; # # These cache hashes need to be independent of user, resource and course -# (user and course are in the keys) +# (user and course can/should be in the keys) # -use vars qw(%spreadsheets %courserdatas %userrdatas); + +my %spreadsheets; +my %courserdatas; +my %userrdatas; +my %defaultsheets; +my %updatedata; + # # These global hashes are dependent on user, course and resource, # and need to be initialized every time when a sheet is calculated @@ -27,41 +100,26 @@ use vars qw(%spreadsheets %courserdatas my %courseopt; my %useropt; my %parmhash; -my $csec; -my $uname; -my $udom; -# ============================================================================= -# ===================================== Implements an instance of a spreadsheet +# +# Some hashes for stats on timing and performance +# -sub initsheet { - my $safeeval = new Safe; - my $safehole = new Safe::Hole; - $safeeval->permit("entereval"); - $safeeval->permit(":base_math"); - $safeeval->permit("sort"); - $safeeval->deny(":base_io"); - $safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&EXT'); - my $code=<<'ENDDEFS'; -# ---------------------------------------------------- Inside of the safe space +my %starttimes; +my %usedtimes; +my %numbertimes; -# -# f: formulas -# t: intermediate format (variable references expanded) -# v: output values -# c: preloaded constants (A-column) -# rl: row label +# Stuff that only the screen handler can know + +my $includedir; +my $tmpdir; -%v=(); -%t=(); -%f=(); -%c=(); -%rl=(); - -$maxrow=0; -$sheettype=''; -$filename=''; +# ============================================================================= +# ===================================== Implements an instance of a spreadsheet +## +## mask - used to reside in the safe space. +## sub mask { my ($lower,$upper)=@_; @@ -85,27 +143,28 @@ sub mask { $alpha='['.$la.'-Za-'.$ua.']'; } } - if (($ld eq '*') || ($ud eq '*')) { $num='\d+'; } else { if (length($ld)!=length($ud)) { $num.='('; - map { + foreach ($ld=~m/\d/g) { $num.='['.$_.'-9]'; - } ($ld=~m/\d/g); + } if (length($ud)-length($ld)>1) { $num.='|\d{'.(length($ld)+1).','.(length($ud)-1).'}'; } $num.='|'; - map { + foreach ($ud=~m/\d/g) { $num.='[0-'.$_.']'; - } ($ud=~m/\d/g); + } $num.=')'; } else { my @lda=($ld=~m/\d/g); my @uda=($ud=~m/\d/g); - my $i; $j=0; $notdone=1; + my $i; + my $j=0; + my $notdone=1; for ($i=0;($i<=$#lda)&&($notdone);$i++) { if ($lda[$i]==$uda[$i]) { $num.=$lda[$i]; @@ -138,12 +197,360 @@ sub mask { return '^'.$alpha.$num."\$"; } + + +sub initsheet { + my $safeeval = new Safe(shift); + my $safehole = new Safe::Hole; + $safeeval->permit("entereval"); + $safeeval->permit(":base_math"); + $safeeval->permit("sort"); + $safeeval->deny(":base_io"); + $safehole->wrap(\&Apache::lonnet::EXT,$safeeval,'&EXT'); + $safehole->wrap(\&Apache::lonspreadsheet::mask,$safeeval,'&mask'); + $safeeval->share('$@'); + my $code=<<'ENDDEFS'; +# ---------------------------------------------------- Inside of the safe space + +# +# f: formulas +# t: intermediate format (variable references expanded) +# v: output values +# c: preloaded constants (A-column) +# rl: row label +# os: other spreadsheets (for student spreadsheet only) + +undef %sheet_values; # Holds the (computed, final) values for the sheet + # This is only written to by &calc, the spreadsheet computation routine. + # It is read by many functions +undef %t; # Holds the values of the spreadsheet temporarily. Set in &sett, + # which does the translation of strings like C5 into the value in C5. + # Used in &calc - %t holds the values that are actually eval'd. +undef %f; # Holds the formulas for each cell. This is the users + # (spreadsheet authors) data for each cell. + # set by &setformulas and returned by &getformulas + # &setformulas is called by &readsheet, &tmpread, &updateclasssheet, + # &updatestudentassesssheet, &loadstudent, &loadcourse + # &getformulas is called by &writesheet, &tmpwrite, &updateclasssheet, + # &updatestudentassesssheet, &loadstudent, &loadcourse, &loadassessment, +undef %c; # Holds the constants for a sheet. In the assessment + # sheets, this is the A column. Used in &MINPARM, &MAXPARM, &expandnamed, + # &sett, and &setconstants. There is no &getconstants. + # &setconstants is called by &loadstudent, &loadcourse, &load assessment, +undef %rowlabel; # Holds the 'prefix' for each row. Set by &setrowlabels. + # &setrowlabels is called by &updateclasssheet, &updatestudentassesssheet, +undef @os; # Holds the names of other spreadsheets - this is used to specify + # the spreadsheets that are available for the assessment sheet. + # Set by &setothersheets. &setothersheets is called by &handler. A + # related subroutine is &othersheets. + +$maxrow = 0; +$sheettype = ''; + +# filename/reference of the sheet +$filename = ''; + +# user data +$uname = ''; +$uhome = ''; +$udom = ''; + +# course data + +$csec = ''; +$chome= ''; +$cnum = ''; +$cdom = ''; +$cid = ''; +$coursefilename = ''; + +# symb + +$usymb = ''; + +# error messages +$errormsg = ''; + + +#------------------------------------------------------- + +=item UWCALC(hashname,modules,units,date) + +returns the proportion of the module +weights not previously completed by the student. + +=over 4 + +=item hashname + +name of the hash the module dates have been inserted into + +=item modules + +reference to a cell which contains a comma deliminated list of modules +covered by the assignment. + +=item units + +reference to a cell which contains a comma deliminated list of module +weights with respect to the assignment + +=item date + +reference to a cell which contains the date the assignment was completed. + +=back + +=cut + +#------------------------------------------------------- +sub UWCALC { + my ($hashname,$modules,$units,$date) = @_; + my @Modules = split(/,/,$modules); + my @Units = split(/,/,$units); + my $total_weight; + foreach (@Units) { + $total_weight += $_; + } + my $usum=0; + for (my $i=0; $i<=$#Modules; $i++) { + if (&HASH($hashname,$Modules[$i]) eq $date) { + $usum += $Units[$i]; + } + } + return $usum/$total_weight; +} + +#------------------------------------------------------- + +=item CDLSUM(list) + +returns the sum of the elements in a cell which contains +a Comma Deliminate List of numerical values. +'list' is a reference to a cell which contains a comma deliminated list. + +=cut + +#------------------------------------------------------- +sub CDLSUM { + my ($list)=@_; + my $sum; + foreach (split/,/,$list) { + $sum += $_; + } + return $sum; +} + +#------------------------------------------------------- + +=item CDLITEM(list,index) + +returns the item at 'index' in a Comma Deliminated List. + +=over 4 + +=item list + +reference to a cell which contains a comma deliminated list. + +=item index + +the Perl index of the item requested (first element in list has +an index of 0) + +=back + +=cut + +#------------------------------------------------------- +sub CDLITEM { + my ($list,$index)=@_; + my @Temp = split/,/,$list; + return $Temp[$index]; +} + +#------------------------------------------------------- + +=item CDLHASH(name,key,value) + +loads a comma deliminated list of keys into +the hash 'name', all with a value of 'value'. + +=over 4 + +=item name + +name of the hash. + +=item key + +(a pointer to) a comma deliminated list of keys. + +=item value + +a single value to be entered for each key. + +=back + +=cut + +#------------------------------------------------------- +sub CDLHASH { + my ($name,$key,$value)=@_; + my @Keys; + my @Values; + # Check to see if we have multiple $key values + if ($key =~ /[A-z](\-[A-z])?\d+(\-\d+)?/) { + my $keymask = &mask($key); + # Assume the keys are addresses + my @Temp = grep /$keymask/,keys(%sheet_values); + @Keys = $sheet_values{@Temp}; + } else { + $Keys[0]= $key; + } + my @Temp; + foreach $key (@Keys) { + @Temp = (@Temp, split/,/,$key); + } + @Keys = @Temp; + if ($value =~ /[A-z](\-[A-z])?\d+(\-\d+)?/) { + my $valmask = &mask($value); + my @Temp = grep /$valmask/,keys(%sheet_values); + @Values =$sheet_values{@Temp}; + } else { + $Values[0]= $value; + } + $value = $Values[0]; + # Add values to hash + for (my $i = 0; $i<=$#Keys; $i++) { + my $key = $Keys[$i]; + if (! exists ($hashes{$name}->{$key})) { + $hashes{$name}->{$key}->[0]=$value; + } else { + my @Temp = sort(@{$hashes{$name}->{$key}},$value); + $hashes{$name}->{$key} = \@Temp; + } + } + return "hash '$name' updated"; +} + +#------------------------------------------------------- + +=item GETHASH(name,key,index) + +returns the element in hash 'name' +reference by the key 'key', at index 'index' in the values list. + +=cut + +#------------------------------------------------------- +sub GETHASH { + my ($name,$key,$index)=@_; + if (! defined($index)) { + $index = 0; + } + if ($key =~ /^[A-z]\d+$/) { + $key = $sheet_values{$key}; + } + return $hashes{$name}->{$key}->[$index]; +} + +#------------------------------------------------------- + +=item CLEARHASH(name) + +clears all the values from the hash 'name' + +=item CLEARHASH(name,key) + +clears all the values from the hash 'name' associated with the given key. + +=cut + +#------------------------------------------------------- +sub CLEARHASH { + my ($name,$key)=@_; + if (defined($key)) { + if (exists($hashes{$name}->{$key})) { + $hashes{$name}->{$key}=undef; + return "hash '$name' key '$key' cleared"; + } + } else { + if (exists($hashes{$name})) { + $hashes{$name}=undef; + return "hash '$name' cleared"; + } + } + return "Error in clearing hash"; +} + +#------------------------------------------------------- + +=item HASH(name,key,value) + +loads values into an internal hash. If a key +already has a value associated with it, the values are sorted numerically. + +=item HASH(name,key) + +returns the 0th value in the hash 'name' associated with 'key'. + +=cut + +#------------------------------------------------------- +sub HASH { + my ($name,$key,$value)=@_; + my @Keys; + undef @Keys; + my @Values; + # Check to see if we have multiple $key values + if ($key =~ /[A-z](\-[A-z])?\d+(\-\d+)?/) { + my $keymask = &mask($key); + # Assume the keys are addresses + my @Temp = grep /$keymask/,keys(%sheet_values); + @Keys = $sheet_values{@Temp}; + } else { + $Keys[0]= $key; + } + # If $value is empty, return the first value associated + # with the first key. + if (! $value) { + return $hashes{$name}->{$Keys[0]}->[0]; + } + # Check to see if we have multiple $value(s) + if ($value =~ /[A-z](\-[A-z])?\d+(\-\d+)?/) { + my $valmask = &mask($value); + my @Temp = grep /$valmask/,keys(%sheet_values); + @Values =$sheet_values{@Temp}; + } else { + $Values[0]= $value; + } + # Add values to hash + for (my $i = 0; $i<=$#Keys; $i++) { + my $key = $Keys[$i]; + my $value = ($i<=$#Values ? $Values[$i] : $Values[0]); + if (! exists ($hashes{$name}->{$key})) { + $hashes{$name}->{$key}->[0]=$value; + } else { + my @Temp = sort(@{$hashes{$name}->{$key}},$value); + $hashes{$name}->{$key} = \@Temp; + } + } + return $Values[-1]; +} + +#------------------------------------------------------- + +=item NUM(range) + +returns the number of items in the range. + +=cut + +#------------------------------------------------------- sub NUM { my $mask=mask(@_); - my $num=0; - map { - $num++; - } grep /$mask/,keys %v; + my $num= $#{@{grep(/$mask/,keys(%sheet_values))}}+1; return $num; } @@ -151,31 +558,49 @@ sub BIN { my ($low,$high,$lower,$upper)=@_; my $mask=mask($lower,$upper); my $num=0; - map { - if (($v{$_}>=$low) && ($v{$_}<=$high)) { + foreach (grep /$mask/,keys(%sheet_values)) { + if (($sheet_values{$_}>=$low) && ($sheet_values{$_}<=$high)) { $num++; } - } grep /$mask/,keys %v; + } return $num; } +#------------------------------------------------------- + +=item SUM(range) + +returns the sum of items in the range. + +=cut + +#------------------------------------------------------- sub SUM { my $mask=mask(@_); my $sum=0; - map { - $sum+=$v{$_}; - } grep /$mask/,keys %v; + foreach (grep /$mask/,keys(%sheet_values)) { + $sum+=$sheet_values{$_}; + } return $sum; } +#------------------------------------------------------- + +=item MEAN(range) + +compute the average of the items in the range. + +=cut + +#------------------------------------------------------- sub MEAN { my $mask=mask(@_); my $sum=0; my $num=0; - map { - $sum+=$v{$_}; + foreach (grep /$mask/,keys(%sheet_values)) { + $sum+=$sheet_values{$_}; $num++; - } grep /$mask/,keys %v; + } if ($num) { return $sum/$num; } else { @@ -183,58 +608,106 @@ sub MEAN { } } +#------------------------------------------------------- + +=item STDDEV(range) + +compute the standard deviation of the items in the range. + +=cut + +#------------------------------------------------------- sub STDDEV { my $mask=mask(@_); my $sum=0; my $num=0; - map { - $sum+=$v{$_}; + foreach (grep /$mask/,keys(%sheet_values)) { + $sum+=$sheet_values{$_}; $num++; - } grep /$mask/,keys %v; + } unless ($num>1) { return undef; } my $mean=$sum/$num; $sum=0; - map { - $sum+=($v{$_}-$mean)**2; - } grep /$mask/,keys %v; + foreach (grep /$mask/,keys(%sheet_values)) { + $sum+=($sheet_values{$_}-$mean)**2; + } return sqrt($sum/($num-1)); } +#------------------------------------------------------- + +=item PROD(range) + +compute the product of the items in the range. + +=cut + +#------------------------------------------------------- sub PROD { my $mask=mask(@_); my $prod=1; - map { - $prod*=$v{$_}; - } grep /$mask/,keys %v; + foreach (grep /$mask/,keys(%sheet_values)) { + $prod*=$sheet_values{$_}; + } return $prod; } +#------------------------------------------------------- + +=item MAX(range) + +compute the maximum of the items in the range. + +=cut + +#------------------------------------------------------- sub MAX { my $mask=mask(@_); my $max='-'; - map { - unless ($max) { $max=$v{$_}; } - if (($v{$_}>$max) || ($max eq '-')) { $max=$v{$_}; } - } grep /$mask/,keys %v; + foreach (grep /$mask/,keys(%sheet_values)) { + unless ($max) { $max=$sheet_values{$_}; } + if (($sheet_values{$_}>$max) || ($max eq '-')) { $max=$sheet_values{$_}; } + } return $max; } +#------------------------------------------------------- + +=item MIN(range) + +compute the minimum of the items in the range. + +=cut + +#------------------------------------------------------- sub MIN { my $mask=mask(@_); my $min='-'; - map { - unless ($max) { $max=$v{$_}; } - if (($v{$_}<$min) || ($min eq '-')) { $min=$v{$_}; } - } grep /$mask/,keys %v; + foreach (grep /$mask/,keys(%sheet_values)) { + unless ($max) { $max=$sheet_values{$_}; } + if (($sheet_values{$_}<$min) || ($min eq '-')) { + $min=$sheet_values{$_}; + } + } return $min; } +#------------------------------------------------------- + +=item SUMMAX(num,lower,upper) + +compute the sum of the largest 'num' items in the range from +'lower' to 'upper' + +=cut + +#------------------------------------------------------- sub SUMMAX { my ($num,$lower,$upper)=@_; my $mask=mask($lower,$upper); my @inside=(); - map { - $inside[$#inside+1]=$v{$_}; - } grep /$mask/,keys %v; + foreach (grep /$mask/,keys(%sheet_values)) { + push (@inside,$sheet_values{$_}); + } @inside=sort(@inside); my $sum=0; my $i; for ($i=$#inside;(($i>$#inside-$num) && ($i>=0));$i--) { @@ -243,13 +716,23 @@ sub SUMMAX { return $sum; } +#------------------------------------------------------- + +=item SUMMIN(num,lower,upper) + +compute the sum of the smallest 'num' items in the range from +'lower' to 'upper' + +=cut + +#------------------------------------------------------- sub SUMMIN { my ($num,$lower,$upper)=@_; my $mask=mask($lower,$upper); my @inside=(); - map { - $inside[$#inside+1]=$v{$_}; - } grep /$mask/,keys %v; + foreach (grep /$mask/,keys(%sheet_values)) { + $inside[$#inside+1]=$sheet_values{$_}; + } @inside=sort(@inside); my $sum=0; my $i; for ($i=0;(($i<$num) && ($i<=$#inside));$i++) { @@ -258,6 +741,115 @@ sub SUMMIN { return $sum; } +#------------------------------------------------------- + +=item MINPARM(parametername) + +Returns the minimum value of the parameters matching the parametername. +parametername should be a string such as 'duedate'. + +=cut + +#------------------------------------------------------- +sub MINPARM { + my ($expression) = @_; + my $min = undef; + study($expression); + foreach $parameter (keys(%c)) { + next if ($parameter !~ /$expression/); + if ((! defined($min)) || ($min > $c{$parameter})) { + $min = $c{$parameter} + } + } + return $min; +} + +#------------------------------------------------------- + +=item MAXPARM(parametername) + +Returns the maximum value of the parameters matching the input parameter name. +parametername should be a string such as 'duedate'. + +=cut + +#------------------------------------------------------- +sub MAXPARM { + my ($expression) = @_; + my $max = undef; + study($expression); + foreach $parameter (keys(%c)) { + next if ($parameter !~ /$expression/); + if ((! defined($min)) || ($max < $c{$parameter})) { + $max = $c{$parameter} + } + } + return $max; +} + +#-------------------------------------------------------- +sub expandnamed { + my $expression=shift; + if ($expression=~/^\&/) { + my ($func,$var,$formula)=($expression=~/^\&(\w+)\(([^\;]+)\;(.*)\)/); + my @vars=split(/\W+/,$formula); + my %values=(); + undef %values; + foreach ( @vars ) { + my $varname=$_; + if ($varname=~/\D/) { + $formula=~s/$varname/'$c{\''.$varname.'\'}'/ge; + $varname=~s/$var/\(\\w\+\)/g; + foreach (keys(%c)) { + if ($_=~/$varname/) { + $values{$1}=1; + } + } + } + } + if ($func eq 'EXPANDSUM') { + my $result=''; + foreach (keys(%values)) { + my $thissum=$formula; + $thissum=~s/$var/$_/g; + $result.=$thissum.'+'; + } + $result=~s/\+$//; + return $result; + } else { + return 0; + } + } else { + # it is not a function, so it is a parameter name + # We should do the following: + # 1. Take the list of parameter names + # 2. look through the list for ones that match the parameter we want + # 3. If there are no collisions, return the one that matches + # 4. If there is a collision, return 'bad parameter name error' + my $returnvalue = ''; + my @matches = (); + $#matches = -1; + study $expression; + foreach $parameter (keys(%c)) { + push @matches,$parameter if ($parameter =~ /$expression/); + } + if ($#matches == 0) { + $returnvalue = '$c{\''.$matches[0].'\'}'; + } elsif ($#matches > 0) { + # more than one match. Look for a concise one + $returnvalue = "'non-unique parameter name : $expression'"; + foreach (@matches) { + if (/^$expression$/) { + $returnvalue = '$c{\''.$_.'\'}'; + } + } + } else { + $returnvalue = "'bad parameter name : $expression'"; + } + return $returnvalue; + } +} + sub sett { %t=(); my $pattern=''; @@ -266,394 +858,655 @@ sub sett { } else { $pattern='[A-Z]'; } - map { - if ($_=~/template\_(\w)/) { - my $col=$1; - unless ($col=~/^$pattern/) { - map { - if ($_=~/A(\d+)/) { - my $trow=$1; - if ($trow) { - my $lb=$col.$trow; - $t{$lb}=$f{'template_'.$col}; - $t{$lb}=~s/\#/$trow/g; - $t{$lb}=~s/\.\.+/\,/g; - $t{$lb}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$v\{\'$2\'\}/g; - } - } - } keys %f; - } - } - } keys %f; - map { - if (($f{$_}) && ($_!~/template\_/)) { - if ($_=~/^$pattern/) { + # Deal with the template row + foreach (keys(%f)) { + next if ($_!~/template\_(\w)/); + my $col=$1; + next if ($col=~/^$pattern/); + foreach (keys(%f)) { + next if ($_!~/A(\d+)/); + my $trow=$1; + next if (! $trow); + # Get the name of this cell + my $lb=$col.$trow; + # Grab the template declaration + $t{$lb}=$f{'template_'.$col}; + # Replace '#' with the row number + $t{$lb}=~s/\#/$trow/g; + # Replace '....' with ',' + $t{$lb}=~s/\.\.+/\,/g; + # Replace 'A0' with the value from 'A0' + $t{$lb}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$sheet_values\{\'$2\'\}/g; + # Replace parameters + $t{$lb}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.&expandnamed($2)/ge; + } + } + # Deal with the normal cells + foreach (keys(%f)) { + if (exists($f{$_}) && ($_!~/template\_/)) { + my $matches=($_=~/^$pattern(\d+)/); + if (($matches) && ($1)) { unless ($f{$_}=~/^\!/) { $t{$_}=$c{$_}; } } else { $t{$_}=$f{$_}; $t{$_}=~s/\.\.+/\,/g; - $t{$_}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$v\{\'$2\'\}/g; + $t{$_}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$sheet_values\{\'$2\'\}/g; + $t{$_}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.&expandnamed($2)/ge; } } - } keys %f; + } + # For inserted lines, [B-Z] is also valid + unless ($sheettype eq 'assesscalc') { + foreach (keys(%f)) { + if ($_=~/[B-Z](\d+)/) { + if ($f{'A'.$1}=~/^[\~\-]/) { + $t{$_}=$f{$_}; + $t{$_}=~s/\.\.+/\,/g; + $t{$_}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$sheet_values\{\'$2\'\}/g; + $t{$_}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.&expandnamed($2)/ge; + } + } + } + } + # For some reason 'A0' gets special treatment... This seems superfluous + # but I imagine it is here for a reason. $t{'A0'}=$f{'A0'}; $t{'A0'}=~s/\.\.+/\,/g; - $t{'A0'}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$v\{\'$2\'\}/g; + $t{'A0'}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$sheet_values\{\'$2\'\}/g; + $t{'A0'}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.&expandnamed($2)/ge; } sub calc { - %v=(); + undef %sheet_values; &sett(); my $notfinished=1; + my $lastcalc=''; my $depth=0; while ($notfinished) { $notfinished=0; - map { - my $old=$v{$_}; - $v{$_}=eval($t{$_}); + foreach (keys(%t)) { + my $old=$sheet_values{$_}; + $sheet_values{$_}=eval $t{$_}; if ($@) { - %v=(); - return $@; + undef %sheet_values; + return $_.': '.$@; } - if ($v{$_} ne $old) { $notfinished=1; } - } keys %t; + if ($sheet_values{$_} ne $old) { $notfinished=1; $lastcalc=$_; } + } $depth++; if ($depth>100) { - %v=(); - return 'Maximum calculation depth exceeded'; + undef %sheet_values; + return $lastcalc.': Maximum calculation depth exceeded'; } } return ''; } +# ------------------------------------------- End of "Inside of the safe space" +ENDDEFS + $safeeval->reval($code); + return $safeeval; +} + +# +# This is actually used for the student spreadsheet, not the assessment sheet +# Do not be fooled by the name! +# +sub templaterow { + my $sheet = shift; + my @cols=(); + $cols[0]='Template'; + foreach ('A','B','C','D','E','F','G','H','I','J','K','L','M', + 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z', + 'a','b','c','d','e','f','g','h','i','j','k','l','m', + 'n','o','p','q','r','s','t','u','v','w','x','y','z') { + my $fm=$sheet->{'f'}->{'template_'.$_}; + $fm=~s/[\'\"]/\&\#34;/g; + push(@cols,"'template_$_','$fm'".'___eq___'.$fm); + } + return @cols; +} + + sub outrowassess { - my $n=shift; + # $n is the current row number + my $sheet = shift; + my $n=shift; + my $csv = $ENV{'form.showcsv'}; my @cols=(); if ($n) { - $cols[0]=$rl{$f{'A'.$n}}; + my ($usy,$ufn)=split(/__&&&\__/,$sheet->{'f'}->{'A'.$n}); + if ($sheet->{'rowlabel'}->{$usy}) { + $cols[0]=$sheet->{'rowlabel'}->{$usy}; + if (! $csv) { + $cols[0].='
'. + ''; + } } else { - $cols[0]='Export'; + $cols[0]='Export'; } - map { - my $fm=$f{$_.$n}; + foreach ('A','B','C','D','E','F','G','H','I','J','K','L','M', + 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z', + 'a','b','c','d','e','f','g','h','i','j','k','l','m', + 'n','o','p','q','r','s','t','u','v','w','x','y','z') { + my $fm=$sheet->{'f'}->{$_.$n}; $fm=~s/[\'\"]/\&\#34;/g; - $cols[$#cols+1]="'$_$n','$fm'".'___eq___'.$v{$_.$n}; - } ('A','B','C','D','E','F','G','H','I','J','K','L','M', - 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z', - 'a','b','c','d','e','f','g','h','i','j','k','l','m', - 'n','o','p','q','r','s','t','u','v','w','x','y','z'); + push(@cols,"'$_$n','$fm'".'___eq___'.$sheet->{'values'}->{$_.$n}); + } return @cols; } sub outrow { + my $sheet=shift; my $n=shift; my @cols=(); if ($n) { - $cols[0]=$rl{$f{'A'.$n}}.' stuff'; + $cols[0]=$sheet->{'rowlabel'}->{$sheet->{'f'}->{'A'.$n}}; } else { $cols[0]='Export'; } - map { - my $fm=$f{$_.$n}; + foreach ('A','B','C','D','E','F','G','H','I','J','K','L','M', + 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z', + 'a','b','c','d','e','f','g','h','i','j','k','l','m', + 'n','o','p','q','r','s','t','u','v','w','x','y','z') { + my $fm=$sheet->{'f'}->{$_.$n}; $fm=~s/[\'\"]/\&\#34;/g; - $cols[$#cols+1]="'$_$n','$fm'".'___eq___'.$v{$_.$n}; - } ('A','B','C','D','E','F','G','H','I','J','K','L','M', - 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z', - 'a','b','c','d','e','f','g','h','i','j','k','l','m', - 'n','o','p','q','r','s','t','u','v','w','x','y','z'); + push(@cols,"'$_$n','$fm'".'___eq___'.$sheet->{'values'}->{$_.$n}); + } return @cols; } -sub exportrowa { - my $rowa=''; - map { - $rowa.=$v{$_.'0'}."___;___"; - } ('A','B','C','D','E','F','G','H','I','J','K','L','M', - 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z'); - $rowa=~s/\_\_\_\;\_\_\_$//; - return $rowa; -} - -# ------------------------------------------- End of "Inside of the safe space" -ENDDEFS - $safeeval->reval($code); - return $safeeval; -} - # ------------------------------------------------ Add or change formula values - sub setformulas { - my ($safeeval,@f)=@_; - $safeeval->reval('%f='."('".join("','",@f)."');"); + my ($sheet)=shift; + %{$sheet->{'safe'}->varglob('f')}=%{$sheet->{'f'}}; } # ------------------------------------------------ Add or change formula values - sub setconstants { - my ($safeeval,@c)=@_; - $safeeval->reval('%c='."('".join("','",@c)."');"); + my ($sheet)=shift; + my ($constants) = @_; + if (! ref($constants)) { + my %tmp = @_; + $constants = \%tmp; + } + $sheet->{'constants'} = $constants; + return %{$sheet->{'safe'}->varglob('c')}=%{$sheet->{'constants'}}; +} + +# --------------------------------------------- Set names of other spreadsheets +sub setothersheets { + my $sheet = shift; + my @othersheets = @_; + $sheet->{'othersheets'} = \@othersheets; + @{$sheet->{'safe'}->varglob('os')}=@othersheets; + return; } # ------------------------------------------------ Add or change formula values - sub setrowlabels { - my ($safeeval,@rl)=@_; - $safeeval->reval('%rl='."('".join("','",@rl)."');"); + my $sheet=shift; + %{$sheet->{'safe'}->varglob('rowlabel')}=%{$sheet->{'rowlabel'}}; } # ------------------------------------------------------- Calculate spreadsheet - sub calcsheet { - my $safeeval=shift; - $safeeval->reval('&calc();'); -} - -# ------------------------------------------------------------------ Get values - -sub getvalues { - my $safeeval=shift; - return $safeeval->reval('%v'); + my $sheet=shift; + my $result = $sheet->{'safe'}->reval('&calc();'); + %{$sheet->{'values'}} = %{$sheet->{'safe'}->varglob('sheet_values')}; + return $result; } # ---------------------------------------------------------------- Get formulas - sub getformulas { - my $safeeval=shift; - return $safeeval->reval('%f'); -} - -# -------------------------------------------------------------------- Set type - -sub settype { - my ($safeeval,$type)=@_; - $safeeval->reval('$sheettype="'.$type.'";'); -} - -# -------------------------------------------------------------------- Get type - -sub gettype { - my $safeeval=shift; - return $safeeval->reval('$sheettype'); -} -# ------------------------------------------------------------------ Set maxrow - -sub setmaxrow { - my ($safeeval,$row)=@_; - $safeeval->reval('$maxrow='.$row.';'); -} - -# ------------------------------------------------------------------ Get maxrow - -sub getmaxrow { - my $safeeval=shift; - return $safeeval->reval('$maxrow'); + my $sheet = shift; + return %{$sheet->{'safe'}->varglob('f')}; } -# ---------------------------------------------------------------- Set filename - -sub setfilename { - my ($safeeval,$fn)=@_; - $safeeval->reval('$filename="'.$fn.'";'); -} - -# ---------------------------------------------------------------- Get filename - -sub getfilename { - my $safeeval=shift; - return $safeeval->reval('$filename'); +# ----------------------------------------------------- Get value of $f{'A'.$n} +sub getfa { + my $sheet = shift; + my ($n)=@_; + return $sheet->{'safe'}->reval('$f{"A'.$n.'"}'); } # ------------------------------------------------------------- Export of A-row - -sub exportrow { - my $safeeval=shift; - return $safeeval->reval('&exportrowa()'); +sub exportdata { + my $sheet=shift; + my @exportarray=(); + foreach ('A','B','C','D','E','F','G','H','I','J','K','L','M', + 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z') { + push(@exportarray,$sheet->{'values'}->{$_.'0'}); + } + return @exportarray; } # ========================================================== End of Spreadsheet # ============================================================================= - +# +# Procedures for screen output +# # --------------------------------------------- Produce output row n from sheet sub rown { - my ($safeeval,$n)=@_; - my $defaultbg=((($n-1)/5)==int(($n-1)/5))?'#E0E0':'#FFFF'; - my $rowdata="\n$n"; + my ($sheet,$n)=@_; + my $defaultbg; + my $rowdata=''; + my $dataflag=0; + unless ($n eq '-') { + $defaultbg=((($n-1)/5)==int(($n-1)/5))?'#E0E0':'#FFFF'; + } else { + $defaultbg='#E0FF'; + } + unless ($ENV{'form.showcsv'}) { + $rowdata.="\n$n"; + } else { + $rowdata.="\n".'"'.$n.'"'; + } my $showf=0; - my $proc; - my $maxred; - if (&gettype($safeeval) eq 'assesscalc') { - $proc='&outrowassess'; + # + # Determine how many pink (uneditable) cells there are in this sheet. + my $maxred=1; + my $sheettype=$sheet->{'sheettype'}; + if ($sheettype eq 'studentcalc') { + $maxred=26; + } elsif ($sheettype eq 'assesscalc') { $maxred=1; } else { - $proc='&outrow'; $maxred=26; } - map { - my $bgcolor=$defaultbg.((($showf-1)/5==int(($showf-1)/5))?'99':'DD'); - my ($fm,$vl)=split(/\_\_\_eq\_\_\_/,$_); - if ($showf==0) { $vl=$_; } - if ($showf<=$maxred) { $bgcolor='#FFDDDD'; } - if (($n==0) && ($showf<=26)) { $bgcolor='#CCCCFF'; } - if (($showf>$maxred) || ((!$n) && ($showf>0))) { - if ($vl eq '') { - $vl='#'; - } - $rowdata.= - ''.$vl. - ''; - } else { - $rowdata.=' '.$vl.' '; - } - $showf++; - } $safeeval->reval($proc.'('.$n.')'); - return $rowdata.''; + $maxred=1 if (&getfa($sheet,$n)=~/^[\~\-]/); + # + # Get the proper row + my @rowdata; + if ($n eq '-') { + @rowdata = &templaterow($sheet); + $n=-1; + $dataflag=1; + } elsif ($sheettype eq 'studentcalc') { + @rowdata = &outrowassess($sheet,$n); + } else { + @rowdata = &outrow($sheet,$n); + } + # + foreach (@rowdata) { + my $bgcolor=$defaultbg.((($showf-1)/5==int(($showf-1)/5))?'99':'DD'); + my ($fm,$vl)=split(/\_\_\_eq\_\_\_/,$_); + if ((($vl ne '') || ($vl eq '0')) && + (($showf==1) || ($sheettype ne 'studentcalc'))) { $dataflag=1; } + if ($showf==0) { $vl=$_; } + unless ($ENV{'form.showcsv'}) { + if ($showf<=$maxred) { $bgcolor='#FFDDDD'; } + if (($n==0) && ($showf<=26)) { $bgcolor='#CCCCFF'; } + if (($showf>$maxred) || ((!$n) && ($showf>0))) { + if ($vl eq '') { + $vl='#'; + } + $rowdata.=''; + if ($ENV{'request.role'} =~ /^st\./) { + $rowdata.=$vl; + } else { + $rowdata.=''. + $vl.''; + } + $rowdata.=''; + } else { + $rowdata.=' '.$vl.' '; + } + } else { + $rowdata.=',"'.$vl.'"'; + } + $showf++; + } # End of foreach($safeval...) + if ($ENV{'form.showall'} || ($dataflag)) { + return $rowdata.($ENV{'form.showcsv'}?'':''); + } else { + return ''; + } } # ------------------------------------------------------------- Print out sheet sub outsheet { - my $safeeval=shift; - my $maxred; - my $realm; - if (&gettype($safeeval) eq 'assesscalc') { + my ($r,$sheet)=@_; + my $maxred = 26; # The maximum number of cells to show as + # red (uneditable) + # To make student sheets uneditable could we + # set $maxred = 52? + # + my $realm='Course'; # 'assessment', 'user', or 'course' sheet + if ($sheet->{'sheettype'} eq 'assesscalc') { $maxred=1; $realm='Assessment'; - } elsif (&gettype($safeeval) eq 'studentcalc') { + } elsif ($sheet->{'sheettype'} eq 'studentcalc') { $maxred=26; $realm='User'; - } else { - $maxred=26; - $realm='Course'; } - my $maxyellow=52-$maxred; - my $tabledata=''. + # + # Column label + my $tabledata; + if ($ENV{'form.showcsv'}) { + $tabledata='
';
+    } else { 
+        $tabledata='
'. - $realm.'
'. ''. - ''; - my $showf=0; - map { - $showf++; - if ($showf<=$maxred) { - $tabledata.='"; } - $tabledata.="$_"; - } ('A','B','C','D','E','F','G','H','I','J','K','L','M', - 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z', - 'a','b','c','d','e','f','g','h','i','j','k','l','m', - 'n','o','p','q','r','s','t','u','v','w','x','y','z'); - $tabledata.=''; + $tabledata.=''.&rown($sheet,'-'). + &rown($sheet,0); + } + $r->print($tabledata); + # + # Prepare to output rows my $row; - my $maxrow=&getmaxrow($safeeval); - for ($row=0;$row<=$maxrow;$row++) { - $tabledata.=&rown($safeeval,$row); + # + my @sortby=(); + my @sortidx=(); + for ($row=1;$row<=$sheet->{'maxrow'};$row++) { + push (@sortby, $sheet->{'safe'}->reval('$f{"A'.$row.'"}')); + push (@sortidx, $row-1); + } + @sortidx=sort { lc($sortby[$a]) cmp lc($sortby[$b]); } @sortidx; + # + # Determine the type of child spreadsheets + my $what='Student'; + if ($sheet->{'sheettype'} eq 'assesscalc') { + $what='Item'; + } elsif ($sheet->{'sheettype'} eq 'studentcalc') { + $what='Assessment'; + } + # + # Loop through the rows and output them one at a time + my $n=0; + for ($row=0;$row<$sheet->{'maxrow'};$row++) { + my $thisrow=&rown($sheet,$sortidx[$row]+1); + if ($thisrow) { + if (($n/25==int($n/25)) && (!$ENV{'form.showcsv'})) { + $r->print("
'. + ''.$realm.'ImportCalculations
'; - } else { - $tabledata.=''; + my $showf=0; + foreach ('A','B','C','D','E','F','G','H','I','J','K','L','M', + 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z', + 'a','b','c','d','e','f','g','h','i','j','k','l','m', + 'n','o','p','q','r','s','t','u','v','w','x','y','z') { + $showf++; + if ($showf<=$maxred) { + $tabledata.=''; + } else { + $tabledata.=''; + } + $tabledata.="$_
\n
\n"); + $r->rflush(); + $r->print(''); + $r->print('\n"); + } + $n++; + $r->print($thisrow); + } } - $tabledata.='
 '.$what.''. + join('', + (split(//,'ABCDEFGHIJKLMNOPQRSTUVWXYZ'. + 'abcdefghijklmnopqrstuvwxyz'))). + "
'; + $r->print($ENV{'form.showcsv'}?'':''); } +# +# ----------------------------------------------- Read list of available sheets +# +sub othersheets { + my ($sheet,$stype)=@_; + $stype = $sheet->{'sheettype'} if (! defined($stype)); + # + my $cnum = $sheet->{'cnum'}; + my $cdom = $sheet->{'cdom'}; + my $chome = $sheet->{'chome'}; + # + my @alternatives=(); + my %results=&Apache::lonnet::dump($stype.'_spreadsheets',$cdom,$cnum); + my ($tmp) = keys(%results); + unless ($tmp =~ /^(con_lost|error|no_such_host)/i) { + @alternatives = sort (keys(%results)); + } + return @alternatives; +} -# ------------------------------------- Read spreadsheet formulas from a course +# +# -------------------------------------- Parse a spreadsheet +# +sub parse_sheet { + # $sheetxml is a scalar reference or a scalar + my ($sheetxml) = @_; + if (! ref($sheetxml)) { + my $tmp = $sheetxml; + $sheetxml = \$tmp; + } + my %f; + my $parser=HTML::TokeParser->new($sheetxml); + my $token; + while ($token=$parser->get_token) { + if ($token->[0] eq 'S') { + if ($token->[1] eq 'field') { + $f{$token->[2]->{'col'}.$token->[2]->{'row'}}= + $parser->get_text('/field'); + } + if ($token->[1] eq 'template') { + $f{'template_'.$token->[2]->{'col'}}= + $parser->get_text('/template'); + } + } + } + return \%f; +} +# +# -------------------------------------- Read spreadsheet formulas for a course +# sub readsheet { - my ($safeeval,$fn,$r)=@_; - my %f=(); - unless ($fn) { - my $sheetxml=''; - { - my $fh; - if ($fh=Apache::File->new($r->dir_config('lonIncludes'). - '/default.'.&gettype($safeeval))) { - $sheetxml=join('',<$fh>); - } - } - my $parser=HTML::TokeParser->new(\$sheetxml); - my $token; - while ($token=$parser->get_token) { - if ($token->[0] eq 'S') { - if ($token->[1] eq 'field') { - $f{$token->[2]->{'col'}.$token->[2]->{'row'}}= - $parser->get_text('/field'); - } - if ($token->[1] eq 'template') { - $f{'template_'.$token->[2]->{'col'}}= - $parser->get_text('/template'); - } - } - } - &setfilename($safeeval,'default_'.&gettype($safeeval)); + my ($sheet,$fn)=@_; + # + my $stype = $sheet->{'sheettype'}; + my $cnum = $sheet->{'cnum'}; + my $cdom = $sheet->{'cdom'}; + my $chome = $sheet->{'chome'}; + # + if (! defined($fn)) { + # There is no filename. Look for defaults in course and global, cache + unless ($fn=$defaultsheets{$cnum.'_'.$cdom.'_'.$stype}) { + my %tmphash = &Apache::lonnet::get('environment', + ['spreadsheet_default_'.$stype], + $cdom,$cnum); + my ($tmp) = keys(%tmphash); + if ($tmp =~ /^(con_lost|error|no_such_host)/i) { + $fn = 'default_'.$stype; + } else { + $fn = $tmphash{'spreadsheet_default_'.$stype}; + } + unless (($fn) && ($fn!~/^error\:/)) { + $fn='default_'.$stype; + } + $defaultsheets{$cnum.'_'.$cdom.'_'.$stype}=$fn; + } + } + # $fn now has a value + $sheet->{'filename'} = $fn; + # see if sheet is cached + my $fstring=''; + if ($fstring=$spreadsheets{$cnum.'_'.$cdom.'_'.$stype.'_'.$fn}) { + my %tmp = split(/___;___/,$fstring); + $sheet->{'f'} = \%tmp; + &setformulas($sheet); } else { - &setfilename($safeeval,$fn); - unless ($spreadsheets{$fn}) { - $spreadsheets{$fn}=''; - my $reply=&Apache::lonnet::reply('dump:'. - $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.':'. - $ENV{'course.'.$ENV{'request.course.id'}.'.num'}.':'.$fn, - $ENV{'course.'.$ENV{'request.course.id'}.'.home'}); - unless ($reply=~/^error\:/) { - $spreadsheets{$fn}=$reply; - } - } - map { - my ($name,$value)=split(/\=/,$_); - $f{&Apache::lonnet::unescape($name)}= - &Apache::lonnet::unescape($value); - } split(/\&/,$spreadsheets{$fn}); + # Not cached, need to read + my %f=(); + if ($fn=~/^default\_/) { + my $sheetxml=''; + my $fh; + my $dfn=$fn; + $dfn=~s/\_/\./g; + if ($fh=Apache::File->new($includedir.'/'.$dfn)) { + $sheetxml=join('',<$fh>); + } else { + $sheetxml='"Error"'; + } + %f=%{&parse_sheet(\$sheetxml)}; + } elsif($fn=~/\/*\.spreadsheet$/) { + my $sheetxml=&Apache::lonnet::getfile + (&Apache::lonnet::filelocation('',$fn)); + if ($sheetxml == -1) { + $sheetxml='"Error loading spreadsheet ' + .$fn.'"'; + } + %f=%{&parse_sheet(\$sheetxml)}; + } else { + my $sheet=''; + my %tmphash = &Apache::lonnet::dump($fn,$cdom,$cnum); + my ($tmp) = keys(%tmphash); + unless ($tmp =~ /^(con_lost|error|no_such_host)/i) { + foreach (keys(%tmphash)) { + $f{$_}=$tmphash{$_}; + } + } + } + # Cache and set + $spreadsheets{$cnum.'_'.$cdom.'_'.$stype.'_'.$fn}=join('___;___',%f); + $sheet->{'f'}=\%f; + &setformulas($sheet); } +} - &setformulas($safeeval,%f); +# -------------------------------------------------------- Make new spreadsheet +sub makenewsheet { + my ($uname,$udom,$stype,$usymb)=@_; + my $sheet={}; + $sheet->{'uname'} = $uname; + $sheet->{'udom'} = $udom; + $sheet->{'sheettype'} = $stype; + $sheet->{'usymb'} = $usymb; + $sheet->{'cid'} = $ENV{'request.course.id'}; + $sheet->{'csec'} = $Section{$uname.':'.$udom}; + $sheet->{'coursefilename'} = $ENV{'request.course.fn'}; + $sheet->{'cnum'} = $ENV{'course.'.$ENV{'request.course.id'}.'.num'}; + $sheet->{'cdom'} = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}; + $sheet->{'chome'} = $ENV{'course.'.$ENV{'request.course.id'}.'.home'}; + $sheet->{'uhome'} = &Apache::lonnet::homeserver($uname,$udom); + # + # + $sheet->{'f'} = {}; + $sheet->{'constants'} = {}; + $sheet->{'othersheets'} = []; + $sheet->{'rowlabel'} = {}; + # + # + $sheet->{'safe'}=&initsheet($sheet->{'sheettype'}); + # + # Place all the %$sheet items into the safe space except the safe space + # itself + my $initstring = ''; + foreach (qw/uname udom sheettype usymb cid csec coursefilename + cnum cdom chome uhome/) { + $initstring.= qq{\$$_="$sheet->{$_}";}; + } + $sheet->{'safe'}->reval($initstring); + return $sheet; } # ------------------------------------------------------------ Save spreadsheet - sub writesheet { - my $safeeval=shift; - if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) { - my %f=&getformulas($safeeval); - my $sheetdata=''; - map { - $sheetdata.=&Apache::lonnet::escape($_).'='. - &Apache::lonnet::escape($f{$_}).'&'; - } keys %f; - $sheetdata=~s/\&$//; - my $reply=&Apache::lonnet::reply('put:'. - $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.':'. - $ENV{'course.'.$ENV{'request.course.id'}.'.num'}.':'. - &getfilename($safeeval).':'. - $sheetdata, - $ENV{'course.'.$ENV{'request.course.id'}.'.home'}); - } + my ($sheet,$makedef)=@_; + my $cid=$sheet->{'cid'}; + if (&Apache::lonnet::allowed('opa',$cid)) { + my %f=&getformulas($sheet); + my $stype= $sheet->{'sheettype'}; + my $cnum = $sheet->{'cnum'}; + my $cdom = $sheet->{'cdom'}; + my $chome= $sheet->{'chome'}; + my $fn = $sheet->{'filename'}; + # Cache new sheet + $spreadsheets{$cnum.'_'.$cdom.'_'.$stype.'_'.$fn}=join('___;___',%f); + # Write sheet + my $sheetdata=''; + foreach (keys(%f)) { + unless ($f{$_} eq 'import') { + $sheetdata.=&Apache::lonnet::escape($_).'='. + &Apache::lonnet::escape($f{$_}).'&'; + } + } + $sheetdata=~s/\&$//; + my $reply=&Apache::lonnet::reply('put:'.$cdom.':'.$cnum.':'.$fn.':'. + $sheetdata,$chome); + if ($reply eq 'ok') { + $reply=&Apache::lonnet::reply('put:'.$cdom.':'.$cnum.':'. + $stype.'_spreadsheets:'. + &Apache::lonnet::escape($fn). + '='.$ENV{'user.name'}.'@'. + $ENV{'user.domain'}, + $chome); + if ($reply eq 'ok') { + if ($makedef) { + return &Apache::lonnet::reply('put:'.$cdom.':'.$cnum. + ':environment:'. + 'spreadsheet_default_'. + $stype.'='. + &Apache::lonnet::escape($fn), + $chome); + } + return $reply; + } + return $reply; + } + return $reply; + } + return 'unauthorized'; } # ----------------------------------------------- Make a temp copy of the sheet - +# "Modified workcopy" - interactive only +# sub tmpwrite { - my ($safeeval,$tmpdir,$symb)=@_; - my $fn=$uname.'_'.$udom.'_spreadsheet_'.&getfilename($safeeval); + my ($sheet) = @_; + my $fn=$ENV{'user.name'}.'_'. + $ENV{'user.domain'}.'_spreadsheet_'.$sheet->{'usymb'}.'_'. + $sheet->{'filename'}; $fn=~s/\W/\_/g; $fn=$tmpdir.$fn.'.tmp'; my $fh; if ($fh=Apache::File->new('>'.$fn)) { - print $fh join("\n",&getformulas($safeeval)); + print $fh join("\n",&getformulas($sheet)); } } # ---------------------------------------------------------- Read the temp copy - sub tmpread { - my ($safeeval,$tmpdir,$symb,$nfield,$nform)=@_; - my $fn=$uname.'_'.$udom.'_spreadsheet_'.&getfilename($safeeval); + my ($sheet,$nfield,$nform)=@_; + my $fn=$ENV{'user.name'}.'_'. + $ENV{'user.domain'}.'_spreadsheet_'.$sheet->{'usymb'}.'_'. + $sheet->{'filename'}; $fn=~s/\W/\_/g; $fn=$tmpdir.$fn.'.tmp'; my $fh; my %fo=(); + my $countrows=0; if ($fh=Apache::File->new($fn)) { my $name; while ($name=<$fh>) { @@ -661,333 +1514,559 @@ sub tmpread { my $value=<$fh>; chomp($value); $fo{$name}=$value; + if ($name=~/^A(\d+)$/) { + if ($1>$countrows) { + $countrows=$1; + } + } } } - $fo{$nfield}=$nform; - &setformulas($safeeval,%fo); -} - -# --------------------------------------------------------------- Read metadata - -sub readmeta { - my $fn=shift; - unless ($fn=~/\.meta$/) { $fn.='meta'; } - my $content; - my %returnhash=(); - { - my $fh=Apache::File->new($fn); - $content=join('',<$fh>); - } - my $parser=HTML::TokeParser->new(\$content); - my $token; - while ($token=$parser->get_token) { - if ($token->[0] eq 'S') { - my $entry=$token->[1]; - if (($entry eq 'stores') || ($entry eq 'parameter')) { - my $unikey=$entry; - $unikey.='_'.$token->[2]->{'part'}; - $unikey.='_'.$token->[2]->{'name'}; - $returnhash{$unikey}=$token->[2]->{'display'}; - } - } - } - return %returnhash; + if ($nform eq 'changesheet') { + $fo{'A'.$nfield}=(split(/\_\_\&\&\&\_\_/,$fo{'A'.$nfield}))[0]; + unless ($ENV{'form.sel_'.$nfield} eq 'Default') { + $fo{'A'.$nfield}.='__&&&__'.$ENV{'form.sel_'.$nfield}; + } + } elsif ($nfield eq 'insertrow') { + $countrows++; + my $newrow=substr('000000'.$countrows,-7); + if ($nform eq 'top') { + $fo{'A'.$countrows}='--- '.$newrow; + } else { + $fo{'A'.$countrows}='~~~ '.$newrow; + } + } else { + if ($nfield) { $fo{$nfield}=$nform; } + } + $sheet->{'f'}=\%fo; + &setformulas($sheet); } -# ================================================================== Parameters -# -------------------------------------------- Figure out a cascading parameter - -sub parmval { - my ($what,$symb)=@_; - - unless ($symb) { return ''; } - my $result=''; - - my ($mapname,$id,$fn)=split(/\_\_\_/,$symb); -# ----------------------------------------------------- Cascading lookup scheme - my $rwhat=$what; - $what=~s/^parameter\_//; - $what=~s/\_/\./; - - my $symbparm=$symb.'.'.$what; - my $mapparm=$mapname.'___(all).'.$what; - - my $seclevel= - $ENV{'request.course.id'}.'.['. - $csec.'].'.$what; - my $seclevelr= - $ENV{'request.course.id'}.'.['. - $csec.'].'.$symbparm; - my $seclevelm= - $ENV{'request.course.id'}.'.['. - $csec.'].'.$mapparm; - - my $courselevel= - $ENV{'request.course.id'}.'.'.$what; - my $courselevelr= - $ENV{'request.course.id'}.'.'.$symbparm; - my $courselevelm= - $ENV{'request.course.id'}.'.'.$mapparm; - -# ---------------------------------------------------------- fourth, check user - - if ($uname) { - - if ($useropt{$courselevelr}) { return $useropt{$courselevelr}; } - - if ($useropt{$courselevelm}) { return $useropt{$courselevelm}; } - - if ($useropt{$courselevel}) { return $useropt{$courselevel}; } - - } - -# --------------------------------------------------------- third, check course - - if ($csec) { - - if ($courseopt{$seclevelr}) { return $courseopt{$seclevelr}; } +################################################## +################################################## - if ($courseopt{$seclevelm}) { return $courseopt{$seclevelm}; } +=pod - if ($courseopt{$seclevel}) { return $courseopt{$seclevel}; } - - } +=item &parmval() - if ($courseopt{$courselevelr}) { return $courseopt{$courselevelr}; } +Determine the value of a parameter. - if ($courseopt{$courselevelm}) { return $courseopt{$courselevelm}; } +Inputs: $what, the parameter needed, $sheet, the safe space - if ($courseopt{$courselevel}) { return $courseopt{$courselevel}; } +Returns: The value of a parameter, or '' if none. -# ----------------------------------------------------- second, check map parms +This function cascades through the possible levels searching for a value for +a parameter. The levels are checked in the following order: +user, course (at section level and course level), map, and lonnet::metadata. +This function uses %parmhash, which must be tied prior to calling it. +This function also requires %courseopt and %useropt to be initialized for +this user and course. - my $thisparm=$parmhash{$symbparm}; - if ($thisparm) { return $thisparm; } +=cut -# -------------------------------------------------------- first, check default - - return &Apache::lonnet::metadata($fn,$rwhat.'.default'); - +################################################## +################################################## +sub parmval { + my ($what,$sheet)=@_; + my $symb = $sheet->{'usymb'}; + unless ($symb) { return ''; } + # + my $cid = $sheet->{'cid'}; + my $csec = $sheet->{'csec'}; + my $uname = $sheet->{'uname'}; + my $udom = $sheet->{'udom'}; + my $result=''; + # + my ($mapname,$id,$fn)=split(/\_\_\_/,$symb); + # Cascading lookup scheme + my $rwhat=$what; + $what =~ s/^parameter\_//; + $what =~ s/\_([^\_]+)$/\.$1/; + # + my $symbparm = $symb.'.'.$what; + my $mapparm = $mapname.'___(all).'.$what; + my $usercourseprefix = $uname.'_'.$udom.'_'.$cid; + # + my $seclevel = $usercourseprefix.'.['.$csec.'].'.$what; + my $seclevelr = $usercourseprefix.'.['.$csec.'].'.$symbparm; + my $seclevelm = $usercourseprefix.'.['.$csec.'].'.$mapparm; + # + my $courselevel = $usercourseprefix.'.'.$what; + my $courselevelr = $usercourseprefix.'.'.$symbparm; + my $courselevelm = $usercourseprefix.'.'.$mapparm; + # fourth, check user + if (defined($uname)) { + return $useropt{$courselevelr} if (defined($useropt{$courselevelr})); + return $useropt{$courselevelm} if (defined($useropt{$courselevelm})); + return $useropt{$courselevel} if (defined($useropt{$courselevel})); + } + # third, check course + if (defined($csec)) { + return $courseopt{$seclevelr} if (defined($courseopt{$seclevelr})); + return $courseopt{$seclevelm} if (defined($courseopt{$seclevelm})); + return $courseopt{$seclevel} if (defined($courseopt{$seclevel})); + } + # + return $courseopt{$courselevelr} if (defined($courseopt{$courselevelr})); + return $courseopt{$courselevelm} if (defined($courseopt{$courselevelm})); + return $courseopt{$courselevel} if (defined($courseopt{$courselevel})); + # second, check map parms + my $thisparm = $parmhash{$symbparm}; + return $thisparm if (defined($thisparm)); + # first, check default + return &Apache::lonnet::metadata($fn,$rwhat.'.default'); +} + +# ---------------------------------------------- Update rows for course listing +sub updateclasssheet { + my ($sheet) = @_; + my $cnum =$sheet->{'cnum'}; + my $cdom =$sheet->{'cdom'}; + my $cid =$sheet->{'cid'}; + my $chome =$sheet->{'chome'}; + # + %Section = (); + + # + # Read class list and row labels + my $classlist = &Apache::loncoursedata::get_classlist(); + if (! defined($classlist)) { + return 'Could not access course classlist'; + } + # + my %currentlist=(); + foreach my $student (keys(%$classlist)) { + my ($studentDomain,$studentName,$end,$start,$id,$studentSection, + $fullname,$status) = @{$classlist->{$student}}; + if ($ENV{'form.Status'} eq $status || $ENV{'form.Status'} eq 'Any') { + my $rowlabel=''; + if ($ENV{'form.showcsv'}) { + $rowlabel= '"'.join('","',($studentName,$studentDomain, + $fullname,$studentSection,$id).'"'); + } else { + $rowlabel=''; + $rowlabel.=$studentSection.' '.$id." ".$fullname; + $rowlabel.=''; + } + $currentlist{$student}=$rowlabel; + } + } + # + # Find discrepancies between the course row table and this + # + my %f=&getformulas($sheet); + my $changed=0; + # + $sheet->{'maxrow'}=0; + my %existing=(); + # + # Now obsolete rows + foreach (keys(%f)) { + if ($_=~/^A(\d+)/) { + if ($1 > $sheet->{'maxrow'}) { + $sheet->{'maxrow'}= $1; + } + $existing{$f{$_}}=1; + unless ((defined($currentlist{$f{$_}})) || (!$1) || + ($f{$_}=~/^(~~~|---)/)) { + $f{$_}='!!! Obsolete'; + $changed=1; + } + } + } + # + # New and unknown keys + foreach (sort keys(%currentlist)) { + unless ($existing{$_}) { + $changed=1; + $sheet->{'maxrow'}++; + $f{'A'.$sheet->{'maxrow'}}=$_; + } + } + if ($changed) { + $sheet->{'f'} = \%f; + &setformulas($sheet,%f); + } + # + $sheet->{'rowlabel'} = \%currentlist; + &setrowlabels($sheet); } - -# ----------------------------------------------------------------- Update rows - -sub updaterows { - my $safeeval=shift; +# ----------------------------------- Update rows for student and assess sheets +sub updatestudentassesssheet { + my ($sheet) = @_; my %bighash; -# -------------------------------------------------------------------- Tie hash - if (tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db', - &GDBM_READER,0640)) { -# --------------------------------------------------------- Get all assessments - - my %allkeys=(); - my %allassess=(); - - my $stype=&gettype($safeeval); - - map { - if ($_=~/^src\_(\d+)\.(\d+)$/) { - my $mapid=$1; - my $resid=$2; - my $id=$mapid.'.'.$resid; - my $srcf=$bighash{$_}; - if ($srcf=~/\.(problem|exam|quiz|assess|survey|form)$/) { - my $symb= - &Apache::lonnet::declutter($bighash{'map_id_'.$mapid}). - '___'.$resid.'___'. - &Apache::lonnet::declutter($srcf); - $allassess{$symb}=$bighash{'title_'.$id}; - - if ($stype eq 'assesscalc') { - map { - if (($_=~/^stores\_(.*)/) || ($_=~/^parameter\_(.*)/)) { - my $key=$_; - my $display= - &Apache::lonnet::metadata($srcf,$key.'.display'); - unless ($display) { - $display= - &Apache::lonnet::metadata($srcf,$key.'.name'); - } - $allkeys{$key}=$display; - } - } split(/\,/,&Apache::lonnet::metadata($srcf,'keys')); - } - } - } - } keys %bighash; + my $stype=$sheet->{'sheettype'}; + my $uname=$sheet->{'uname'}; + my $udom =$sheet->{'udom'}; + $sheet->{'rowlabel'} = {}; + if ($updatedata + {$ENV{'request.course.fn'}.'_'.$stype.'_'.$uname.'_'.$udom}) { + %{$sheet->{'rowlabel'}}=split(/___;___/, + $updatedata{$ENV{'request.course.fn'}. + '_'.$stype.'_'.$uname.'_'.$udom}); + } else { + # Tie hash + tie(%bighash,'GDBM_File',$ENV{'request.course.fn'}.'.db', + &GDBM_READER(),0640); + if (! tied(%bighash)) { + return 'Could not access course data'; + } + # Get all assessments + my %allkeys=('timestamp' => + 'Timestamp of Last Transaction
timestamp', + 'subnumber' => + 'Number of Submissions
subnumber', + 'tutornumber' => + 'Number of Tutor Responses
tutornumber', + 'totalpoints' => + 'Total Points Granted
totalpoints'); + my $adduserstr=''; + if (($uname ne $ENV{'user.name'}) || ($udom ne $ENV{'user.domain'})){ + $adduserstr='&uname='.$uname.'&udom='.$udom; + } + my %allassess; + if (! $ENV{'form.showcsv'}) { + %allassess = + ('_feedback' =>'Feedback', + '_evaluation' =>'Evaluation', + '_tutoring' =>'Tutoring', + '_discussion' =>'Discussion' + ); + } else { + %allassess = + ('_feedback' => "Feedback", + '_evaluation' => "Evaluation", + '_tutoring' => "Tutoring", + '_discussion' => "Discussion", + ); + } + while (($_,undef) = each(%bighash)) { + next if ($_!~/^src\_(\d+)\.(\d+)$/); + my $mapid=$1; + my $resid=$2; + my $id=$mapid.'.'.$resid; + my $srcf=$bighash{$_}; + if ($srcf=~/\.(problem|exam|quiz|assess|survey|form)$/) { + my $symb= + &Apache::lonnet::declutter($bighash{'map_id_'.$mapid}). + '___'.$resid.'___'.&Apache::lonnet::declutter($srcf); + if (! $ENV{'form.showcsv'}) { + $allassess{$symb}= + ''. + $bighash{'title_'.$id}.''; + } else { + $allassess{$symb}=$bighash{'title_'.$id}; + } + next if ($stype ne 'assesscalc'); + foreach my $key (split(/\,/, + &Apache::lonnet::metadata($srcf,'keys') + )) { + next if ($key !~ /^(stores|parameter)_/); + my $display= + &Apache::lonnet::metadata($srcf,$key.'.display'); + unless ($display) { + $display.= + &Apache::lonnet::metadata($srcf,$key.'.name'); + } + $display.='
'.$key; + $allkeys{$key}=$display; + } # end of foreach + } + } # end of foreach (keys(%bighash)) untie(%bighash); - -# -# %allkeys has a list of storage and parameter displays by unikey -# %allassess has a list of all resource displays by symb -# -# -------------------- Find discrepancies between the course row table and this -# - my %f=&getformulas($safeeval); - my $changed=0; - - my %current=(); + # + # %allkeys has a list of storage and parameter displays by unikey + # %allassess has a list of all resource displays by symb + # if ($stype eq 'assesscalc') { - %current=%allkeys; + $sheet->{'rowlabel'} = \%allkeys; } elsif ($stype eq 'studentcalc') { - %current=%allassess; + $sheet->{'rowlabel'} = \%allassess; + } + $updatedata{$ENV{'request.course.fn'}.'_'.$stype.'_'.$uname.'_'.$udom}= + join('___;___',%{$sheet->{'rowlabel'}}); + # Get current from cache + } + # Find discrepancies between the course row table and this + # + my %f=&getformulas($sheet); + my $changed=0; + + $sheet->{'maxrow'} = 0; + my %existing=(); + # Now obsolete rows + foreach (keys(%f)) { + next if ($_!~/^A(\d+)/); + if ($1 > $sheet->{'maxrow'}) { + $sheet->{'maxrow'} = $1; + } + my ($usy,$ufn)=split(/__&&&\__/,$f{$_}); + $existing{$usy}=1; + unless ((exists($sheet->{'rowlabel'}->{$usy}) && + (defined($sheet->{'rowlabel'}->{$usy})) || (!$1) || + ($f{$_}=~/^(~~~|---)/))){ + $f{$_}='!!! Obsolete'; + $changed=1; + } elsif ($ufn) { + $sheet->{'rowlabel'}->{$usy} + =~s/assesscalc\?usymb\=/assesscalc\?ufn\=$ufn\&usymb\=/; } + } + # New and unknown keys + foreach (keys(%{$sheet->{'rowlabel'}})) { + unless ($existing{$_}) { + $changed=1; + $sheet->{'maxrow'}++; + $f{'A'.$sheet->{'maxrow'}}=$_; + } + } + if ($changed) { + $sheet->{'f'} = \%f; + &setformulas($sheet); + } + &setrowlabels($sheet); + # + undef %existing; +} - my $maxrow=0; - my %existing=(); +# ------------------------------------------------ Load data for one assessment -# ----------------------------------------------------------- Now obsolete rows - map { - if ($_=~/^A(\d+)/) { - $maxrow=($1>$maxrow)?$1:$maxrow; - $existing{$f{$_}}=1; - unless ((defined($current{$f{$_}})) || (!$1)) { - $f{$_}='!!! Obsolete'; - $changed=1; +sub loadstudent { + my ($sheet)=@_; + my %c=(); + my %f=&getformulas($sheet); + $cachedassess=$sheet->{'uname'}.':'.$sheet->{'udom'}; + # Get ALL the student preformance data + my @tmp = &Apache::lonnet::dump($sheet->{'cid'}, + $sheet->{'udom'}, + $sheet->{'uname'}, + undef); + if ($tmp[0] !~ /^error:/) { + %cachedstores = @tmp; + } + undef @tmp; + # + my @assessdata=(); + foreach (keys(%f)) { + next if ($_!~/^A(\d+)/); + my $row=$1; + next if (($f{$_}=~/^[\!\~\-]/) || ($row==0)); + my ($usy,$ufn)=split(/__&&&\__/,$f{$_}); + @assessdata=&exportsheet($sheet->{'uname'}, + $sheet->{'udom'}, + 'assesscalc',$usy,$ufn); + my $index=0; + foreach ('A','B','C','D','E','F','G','H','I','J','K','L','M', + 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z') { + if ($assessdata[$index]) { + my $col=$_; + if ($assessdata[$index]=~/\D/) { + $c{$col.$row}="'".$assessdata[$index]."'"; + } else { + $c{$col.$row}=$assessdata[$index]; + } + unless ($col eq 'A') { + $f{$col.$row}='import'; } } - } keys %f; - -# -------------------------------------------------------- New and unknown keys - - map { - unless ($existing{$_}) { - $changed=1; - $maxrow++; - $f{'A'.$maxrow}=$_; - } - } keys %current; - - if ($changed) { &setformulas($safeeval,%f); } - - &setmaxrow($safeeval,$maxrow); - &setrowlabels($safeeval,%current); - - } else { - return 'Could not access course data'; + $index++; + } } + $cachedassess=''; + undef %cachedstores; + $sheet->{'f'} = \%f; + &setformulas($sheet); + &setconstants($sheet,\%c); } # --------------------------------------------------- Load data for one student - -sub rowazstudent { - my $safeeval=shift; +# +sub loadcourse { + my ($sheet,$r)=@_; my %c=(); - my %f=&getformulas($safeeval); - map { + my %f=&getformulas($sheet); + my $total=0; + foreach (keys(%f)) { if ($_=~/^A(\d+)/) { - my $row=$1; - unless ($f{$_}=~/^\!/) { - my @assessdata=split(/\_\_\_\;\_\_\_/, - &Apache::lonnet::ssi( - '/res/msu/korte/junk.assesscalc',('utarget' => 'export', - 'uname' => $uname, - 'udom' => $udom, - 'usymb' => $f{$_}))); - my $index=0; - map { - if ($assessdata[$index]) { - $c{$_.$row}=$assessdata[$index]; - unless ($_ eq 'A') { - $f{$_.$row}='import'; - } - } - $index++; - } ('A','B','C','D','E','F','G','H','I','J','K','L','M', - 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z'); - } + unless ($f{$_}=~/^[\!\~\-]/) { $total++; } + } + } + my $now=0; + my $since=time; + $r->print(< + popwin=open('','popwin','width=400,height=100'); + popwin.document.writeln(''+ + '

Spreadsheet Calculation Progress

'+ + '
'+ + '
'+ + ''); + popwin.document.close(); + +ENDPOP + $r->rflush(); + foreach (keys(%f)) { + next if ($_!~/^A(\d+)/); + my $row=$1; + next if (($f{$_}=~/^[\!\~\-]/) || ($row==0)); + my @studentdata=&exportsheet(split(/\:/,$f{$_}), + 'studentcalc'); + undef %userrdatas; + $now++; + $r->print(''); + $r->rflush(); + # + my $index=0; + foreach ('A','B','C','D','E','F','G','H','I','J','K','L','M', + 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z') { + if ($studentdata[$index]) { + my $col=$_; + if ($studentdata[$index]=~/\D/) { + $c{$col.$row}="'".$studentdata[$index]."'"; + } else { + $c{$col.$row}=$studentdata[$index]; + } + unless ($col eq 'A') { + $f{$col.$row}='import'; + } + $index++; + } } - } keys %f; - &setformulas($safeeval,%f); - &setconstants($safeeval,%c); + } + $sheet->{'f'}=\%f; + &setformulas($sheet); + &setconstants($sheet,\%c); + $r->print(''); + $r->rflush(); } # ------------------------------------------------ Load data for one assessment +# +sub loadassessment { + my ($sheet)=@_; -sub rowaassess { - my ($safeeval,$symb)=@_; - my $uhome=&Apache::lonnet::homeserver($uname,$udom); - my $namespace; - unless ($namespace=$ENV{'request.course.id'}) { return ''; } + my $uhome = $sheet->{'uhome'}; + my $uname = $sheet->{'uname'}; + my $udom = $sheet->{'udom'}; + my $symb = $sheet->{'usymb'}; + my $cid = $sheet->{'cid'}; + my $cnum = $sheet->{'cnum'}; + my $cdom = $sheet->{'cdom'}; + my $chome = $sheet->{'chome'}; -# ----------------------------------------------------------- Get stored values - my $answer=&Apache::lonnet::reply( - "restore:$udom:$uname:". - &Apache::lonnet::escape($namespace).":". - &Apache::lonnet::escape($symb),$uhome); + my $namespace; + unless ($namespace=$cid) { return ''; } + # Get stored values my %returnhash=(); - map { - my ($name,$value)=split(/\=/,$_); - $returnhash{&Apache::lonnet::unescape($name)}= - &Apache::lonnet::unescape($value); - } split(/\&/,$answer); - my $version; - for ($version=1;$version<=$returnhash{'version'};$version++) { - map { - $returnhash{$_}=$returnhash{$version.':'.$_}; - } split(/\:/,$returnhash{$version.':keys'}); - } -# ----------------------------- returnhash now has all stores for this resource - -# ---------------------------- initialize coursedata and userdata for this user - %courseopt=(); - %useropt=(); - my $uhome=&Apache::lonnet::homeserver($uname,$udom); - unless ($uhome eq 'no_host') { -# -------------------------------------------------------------- Get coursedata - unless - ((time-$courserdatas{$ENV{'request.course.id'}.'.last_cache'})<120) { - my $reply=&Apache::lonnet::reply('dump:'. - $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.':'. - $ENV{'course.'.$ENV{'request.course.id'}.'.num'}.':resourcedata', - $ENV{'course.'.$ENV{'request.course.id'}.'.home'}); - if ($reply!~/^error\:/) { - $courserdatas{$ENV{'request.course.id'}}=$reply; - $courserdatas{$ENV{'request.course.id'}.'.last_cache'}=time; - } - } - map { - my ($name,$value)=split(/\=/,$_); - $courseopt{&Apache::lonnet::unescape($name)}= - &Apache::lonnet::unescape($value); - } split(/\&/,$courserdatas{$ENV{'request.course.id'}}); -# --------------------------------------------------- Get userdata (if present) - unless - ((time-$userrdatas{$uname.'___'.$udom.'.last_cache'})<120) { - my $reply= - &Apache::lonnet::reply('dump:'.$udom.':'.$uname.':resourcedata',$uhome); - if ($reply!~/^error\:/) { - $userrdatas{$uname.'___'.$udom}=$reply; - $userrdatas{$uname.'___'.$udom.'.last_cache'}=time; - } - } - map { - my ($name,$value)=split(/\=/,$_); - $useropt{&Apache::lonnet::unescape($name)}= - &Apache::lonnet::unescape($value); - } split(/\&/,$userrdatas{$uname.'___'.$udom}); - } -# -- now courseopt, useropt initialized for this user and course (used parmval) + if ($cachedassess eq $uname.':'.$udom) { + # + # get data out of the dumped stores + # + my $version=$cachedstores{'version:'.$symb}; + my $scope; + for ($scope=1;$scope<=$version;$scope++) { + foreach (split(/\:/,$cachedstores{$scope.':keys:'.$symb})) { + $returnhash{$_}=$cachedstores{$scope.':'.$symb.':'.$_}; + } + } + } else { + # + # restore individual + # + %returnhash = &Apache::lonnet::restore($symb,$namespace,$udom,$uname); + for (my $version=1;$version<=$returnhash{'version'};$version++) { + foreach (split(/\:/,$returnhash{$version.':keys'})) { + $returnhash{$_}=$returnhash{$version.':'.$_}; + } + } + } + # + # returnhash now has all stores for this resource + # convert all "_" to "." to be able to use libraries, multiparts, etc + # + # This is dumb. It is also necessary :( + my @oldkeys=keys %returnhash; + # + foreach my $name (@oldkeys) { + my $value=$returnhash{$name}; + delete $returnhash{$name}; + $name=~s/\_/\./g; + $returnhash{$name}=$value; + } + # initialize coursedata and userdata for this user + undef %courseopt; + undef %useropt; + my $userprefix=$uname.'_'.$udom.'_'; + + unless ($uhome eq 'no_host') { + # Get coursedata + unless ((time-$courserdatas{$cid.'.last_cache'})<240) { + my %Tmp = &Apache::lonnet::dump('resourcedata',$cdom,$cnum); + $courserdatas{$cid}=\%Tmp; + $courserdatas{$cid.'.last_cache'}=time; + } + while (my ($name,$value) = each(%{$courserdatas{$cid}})) { + $courseopt{$userprefix.$name}=$value; + } + # Get userdata (if present) + unless ((time-$userrdatas{$uname.'@'.$udom.'.last_cache'})<240) { + my %Tmp = &Apache::lonnet::dump('resourcedata',$udom,$uname); + $userrdatas{$cid} = \%Tmp; + # Most of the time the user does not have a 'resourcedata.db' + # file. We need to cache that we got nothing instead of bothering + # with requesting it every time. + $userrdatas{$uname.'@'.$udom.'.last_cache'}=time; + } + while (my ($name,$value) = each(%{$userrdatas{$cid}})) { + $useropt{$userprefix.$name}=$value; + } + } + # now courseopt, useropt initialized for this user and course + # (used by parmval) + # + # Load keys for this assessment only + # + my %thisassess=(); + my ($symap,$syid,$srcf)=split(/\_\_\_/,$symb); + foreach (split(/\,/,&Apache::lonnet::metadata($srcf,'keys'))) { + $thisassess{$_}=1; + } + # + # Load parameters + # my %c=(); - my %f=&getformulas($safeeval); - map { - if ($_=~/^A/) { - unless ($f{$_}=~/^\!/) { - if ($f{$_}=~/^parameter/) { - $c{$_}=&parmval($f{$_},$symb); - } else { - my $key=$f{$_}; - $key=~s/^stores\_/resource\./; - $key=~s/\_/\./; - $c{$_}=$returnhash{$key}; - } - } + if (tie(%parmhash,'GDBM_File', + $sheet->{'coursefilename'}.'_parms.db',&GDBM_READER(),0640)) { + my %f=&getformulas($sheet); + foreach (keys(%f)) { + next if ($_!~/^A/); + next if ($f{$_}=~/^[\!\~\-]/); + if ($f{$_}=~/^parameter/) { + if ($thisassess{$f{$_}}) { + my $val=&parmval($f{$_},$sheet); + $c{$_}=$val; + $c{$f{$_}}=$val; + } + } else { + my $key=$f{$_}; + my $ckey=$key; + $key=~s/^stores\_/resource\./; + $key=~s/\_/\./g; + $c{$_}=$returnhash{$key}; + $c{$ckey}=$returnhash{$key}; + } } - } keys %f; - - &setconstants($safeeval,%c); + untie(%parmhash); + } + &setconstants($sheet,\%c); } # --------------------------------------------------------- Various form fields @@ -995,7 +2074,7 @@ sub rowaassess { sub textfield { my ($title,$name,$value)=@_; return "\n

$title:
". - ''; + ''; } sub hiddenfield { @@ -1006,188 +2085,543 @@ sub hiddenfield { sub selectbox { my ($title,$name,$value,%options)=@_; my $selout="\n

$title:
".''; } -# ================================================================ Main handler +# =============================================== Update information in a sheet +# +# Add new users or assessments, etc. +# -sub handler { - my $r=shift; +sub updatesheet { + my ($sheet)=@_; + my $stype=$sheet->{'sheettype'}; + if ($stype eq 'classcalc') { + return &updateclasssheet($sheet); + } else { + return &updatestudentassesssheet($sheet); + } +} - $uname=''; - $udom=''; - $csec=''; - - if ($r->header_only) { - $r->content_type('text/html'); - $r->send_http_header; - return OK; - } - -# ----------------------------------------------------- Needs to be in a course - - if (($ENV{'request.course.fn'}) || - ($ENV{'request.state'} eq 'construct')) { - -# --------------------------- Get query string for limited number of parameters - - map { - my ($name, $value) = split(/=/,$_); - $value =~ tr/+/ /; - $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; - if (($name eq 'uname') || ($name eq 'udom') || - ($name eq 'usymb') || ($name eq 'ufn')) { - unless ($ENV{'form.'.$name}) { - $ENV{'form.'.$name}=$value; - } - } - } (split(/&/,$ENV{'QUERY_STRING'})); +# =================================================== Load the rows for a sheet +# +# Import the data for rows +# -# ------------------------------------------- Nothing there? Must be login user - unless ($ENV{'form.uname'}) { - $uname=$ENV{'user.name'}; - $udom=$ENV{'user.domain'}; +sub loadrows { + my ($sheet,$r)=@_; + my $stype=$sheet->{'sheettype'}; + if ($stype eq 'classcalc') { + &loadcourse($sheet,$r); + } elsif ($stype eq 'studentcalc') { + &loadstudent($sheet); + } else { + &loadassessment($sheet); + } +} + +# ======================================================= Forced recalculation? + +sub checkthis { + my ($keyname,$time)=@_; + return ($time<$expiredates{$keyname}); +} + +sub forcedrecalc { + my ($uname,$udom,$stype,$usymb)=@_; + my $key=$uname.':'.$udom.':'.$stype.':'.$usymb; + my $time=$oldsheets{$key.'.time'}; + if ($ENV{'form.forcerecalc'}) { return 1; } + unless ($time) { return 1; } + if ($stype eq 'assesscalc') { + my $map=(split(/___/,$usymb))[0]; + if (&checkthis('::assesscalc:',$time) || + &checkthis('::assesscalc:'.$map,$time) || + &checkthis('::assesscalc:'.$usymb,$time) || + &checkthis($uname.':'.$udom.':assesscalc:',$time) || + &checkthis($uname.':'.$udom.':assesscalc:'.$map,$time) || + &checkthis($uname.':'.$udom.':assesscalc:'.$usymb,$time)) { + return 1; + } + } else { + if (&checkthis('::studentcalc:',$time) || + &checkthis($uname.':'.$udom.':studentcalc:',$time)) { + return 1; + } + } + return 0; +} + +# ============================================================== Export handler +sub exportsheet { + my ($uname,$udom,$stype,$usymb,$fn)=@_; + my @exportarr=(); + if (defined($usymb) && ($usymb=~/^\_(\w+)/) && (!$fn)) { + $fn='default_'.$1; + } + # + # Check if cached + # + my $key=$uname.':'.$udom.':'.$stype.':'.$usymb; + my $found=''; + if ($oldsheets{$key}) { + foreach (split(/___&\___/,$oldsheets{$key})) { + my ($name,$value)=split(/___=___/,$_); + if ($name eq $fn) { + $found=$value; + } + } + } + unless ($found) { + &cachedssheets($uname,$udom,&Apache::lonnet::homeserver($uname,$udom)); + if ($oldsheets{$key}) { + foreach (split(/___&\___/,$oldsheets{$key})) { + my ($name,$value)=split(/___=___/,$_); + if ($name eq $fn) { + $found=$value; + } + } + } + } + # + # Check if still valid + # + if ($found) { + if (&forcedrecalc($uname,$udom,$stype,$usymb)) { + $found=''; + } + } + if ($found) { + # + # Return what was cached + # + @exportarr=split(/___;___/,$found); + return @exportarr; + } + # + # Not cached + # + my ($sheet)=&makenewsheet($uname,$udom,$stype,$usymb); + &readsheet($sheet,$fn); + &updatesheet($sheet); + &loadrows($sheet); + &calcsheet($sheet); + @exportarr=&exportdata($sheet); + # + # Store now + # + my $cid=$ENV{'request.course.id'}; + my $current=''; + if ($stype eq 'studentcalc') { + $current=&Apache::lonnet::reply('get:'. + $ENV{'course.'.$cid.'.domain'}.':'. + $ENV{'course.'.$cid.'.num'}. + ':nohist_calculatedsheets:'. + &Apache::lonnet::escape($key), + $ENV{'course.'.$cid.'.home'}); + } else { + $current=&Apache::lonnet::reply('get:'.$sheet->{'udom'}.':'. + $sheet->{'uname'}. + ':nohist_calculatedsheets_'. + $ENV{'request.course.id'}.':'. + &Apache::lonnet::escape($key), + $sheet->{'uhome'}); + } + my %currentlystored=(); + unless ($current=~/^error\:/) { + foreach (split(/___&\___/,&Apache::lonnet::unescape($current))) { + my ($name,$value)=split(/___=___/,$_); + $currentlystored{$name}=$value; + } + } + $currentlystored{$fn}=join('___;___',@exportarr); + # + my $newstore=''; + foreach (keys(%currentlystored)) { + if ($newstore) { $newstore.='___&___'; } + $newstore.=$_.'___=___'.$currentlystored{$_}; + } + my $now=time; + if ($stype eq 'studentcalc') { + &Apache::lonnet::put('nohist_calculatedsheets', + { $key => $newstore, + $key.time => $now }, + $ENV{'course.'.$cid.'.domain'}, + $ENV{'course.'.$cid.'.num'}) } else { - $uname=$ENV{'form.uname'}; - $udom=$ENV{'form.udom'}; + &Apache::lonnet::put('nohist_calculatedsheets_'.$sheet->{'cid'}, + { $key => $newstore, + $key.time => $now }, + $sheet->{'udom'}, + $sheet->{'uname'}) } -# ----------------------------------------------------------- Change of target? + return @exportarr; +} - my $reroute=($ENV{'form.utarget'} eq 'export'); +# ============================================================ Expiration Dates +# +# Load previously cached student spreadsheets for this course +# +sub expirationdates { + undef %expiredates; + my $cid=$ENV{'request.course.id'}; + my $reply=&Apache::lonnet::reply('dump:'. + $ENV{'course.'.$cid.'.domain'}.':'. + $ENV{'course.'.$cid.'.num'}. + ':nohist_expirationdates', + $ENV{'course.'.$cid.'.home'}); + unless ($reply=~/^error\:/) { + foreach (split(/\&/,$reply)) { + my ($name,$value)=split(/\=/,$_); + $expiredates{&Apache::lonnet::unescape($name)} + =&Apache::lonnet::unescape($value); + } + } +} -# ------------------------------------------------------------------- Open page +# ===================================================== Calculated sheets cache +# +# Load previously cached student spreadsheets for this course +# +sub cachedcsheets { + my $cid=$ENV{'request.course.id'}; + my $reply=&Apache::lonnet::reply('dump:'. + $ENV{'course.'.$cid.'.domain'}.':'. + $ENV{'course.'.$cid.'.num'}. + ':nohist_calculatedsheets', + $ENV{'course.'.$cid.'.home'}); + unless ($reply=~/^error\:/) { + foreach ( split(/\&/,$reply)) { + my ($name,$value)=split(/\=/,$_); + $oldsheets{&Apache::lonnet::unescape($name)} + =&Apache::lonnet::unescape($value); + } + } +} + +# ===================================================== Calculated sheets cache +# +# Load previously cached assessment spreadsheets for this student +# + +sub cachedssheets { + my ($sname,$sdom,$shome)=@_; + unless (($loadedcaches{$sname.'_'.$sdom}) || ($shome eq 'no_host')) { + my $cid=$ENV{'request.course.id'}; + my $reply=&Apache::lonnet::reply('dump:'.$sdom.':'.$sname. + ':nohist_calculatedsheets_'. + $ENV{'request.course.id'}, + $shome); + unless ($reply=~/^error\:/) { + foreach ( split(/\&/,$reply)) { + my ($name,$value)=split(/\=/,$_); + $oldsheets{&Apache::lonnet::unescape($name)} + =&Apache::lonnet::unescape($value); + } + } + $loadedcaches{$sname.'_'.$sdom}=1; + } +} + +# ===================================================== Calculated sheets cache +# +# Load previously cached assessment spreadsheets for this student +# + +# ================================================================ Main handler +# +# Interactive call to screen +# +# +sub handler { + my $r=shift; + + if (! exists($ENV{'form.Status'})) { + $ENV{'form.Status'} = 'Active'; + } + # Check this server + my $loaderror=&Apache::lonnet::overloaderror($r); + if ($loaderror) { return $loaderror; } + # Check the course homeserver + $loaderror= &Apache::lonnet::overloaderror($r, + $ENV{'course.'.$ENV{'request.course.id'}.'.home'}); + if ($loaderror) { return $loaderror; } + + if ($r->header_only) { + $r->content_type('text/html'); + $r->send_http_header; + return OK; + } + # Global directory configs + $includedir = $r->dir_config('lonIncludes'); + $tmpdir = $r->dir_config('lonDaemons').'/tmp/'; + # Needs to be in a course + if (! $ENV{'request.course.fn'}) { + # Not in a course, or not allowed to modify parms + $ENV{'user.error.msg'}= + $r->uri.":opa:0:0:Cannot modify spreadsheet"; + return HTTP_NOT_ACCEPTABLE; + } + # Get query string for limited number of parameters + &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, + ['uname','udom','usymb','ufn']); + if ($ENV{'request.role'} =~ /^st\./) { + delete $ENV{'form.unewfield'} if (exists($ENV{'form.unewfield'})); + delete $ENV{'form.unewformula'} if (exists($ENV{'form.unewformula'})); + } + if (($ENV{'form.usymb'}=~/^\_(\w+)/) && (!$ENV{'form.ufn'})) { + $ENV{'form.ufn'}='default_'.$1; + } + # Interactive loading of specific sheet? + if (($ENV{'form.load'}) && ($ENV{'form.loadthissheet'} ne 'Default')) { + $ENV{'form.ufn'}=$ENV{'form.loadthissheet'}; + } + # + # Determine the user name and domain for the sheet. + my $aname; + my $adom; + unless ($ENV{'form.uname'}) { + $aname=$ENV{'user.name'}; + $adom=$ENV{'user.domain'}; + } else { + $aname=$ENV{'form.uname'}; + $adom=$ENV{'form.udom'}; + } + # + # Open page $r->content_type('text/html'); $r->header_out('Cache-control','no-cache'); $r->header_out('Pragma','no-cache'); $r->send_http_header; - -# --------------------------------------------------------------- Screen output - - unless ($reroute) { + # Screen output $r->print('LON-CAPA Spreadsheet'); - $r->print(<print(< function celledit(cn,cf) { var cnf=prompt(cn,cf); - if (cnf!=null) { - document.sheet.unewfield.value=cn; + if (cnf!=null) { + document.sheet.unewfield.value=cn; document.sheet.unewformula.value=cnf; document.sheet.submit(); } } - -ENDSCRIPT - $r->print(''. - '

'. - &hiddenfield('uname',$ENV{'form.uname'}). - &hiddenfield('udom',$ENV{'form.udom'}). - &hiddenfield('usymb',$ENV{'form.usymb'}). - &hiddenfield('ufn',$ENV{'form.ufn'}). - &hiddenfield('unewfield',''). - &hiddenfield('unewformula','')); - } + function changesheet(cn) { + document.sheet.unewfield.value=cn; + document.sheet.unewformula.value='changesheet'; + document.sheet.submit(); + } -# ---------------------------------------- Read new sheet or modified worksheet + function insertrow(cn) { + document.sheet.unewfield.value='insertrow'; + document.sheet.unewformula.value=cn; + document.sheet.submit(); + } - my $sheetone=initsheet(); + +ENDSCRIPT + } + $r->print(''.&Apache::loncommon::bodytag('Grades Spreadsheet'). + ''); + $r->print(&hiddenfield('uname',$ENV{'form.uname'}). + &hiddenfield('udom',$ENV{'form.udom'}). + &hiddenfield('usymb',$ENV{'form.usymb'}). + &hiddenfield('unewfield',''). + &hiddenfield('unewformula','')); + $r->rflush(); + # + # Full recalc? + if ($ENV{'form.forcerecalc'}) { + $r->print('

Completely Recalculating Sheet ...

'); + undef %spreadsheets; + undef %courserdatas; + undef %userrdatas; + undef %defaultsheets; + undef %updatedata; + } + # Read new sheet or modified worksheet $r->uri=~/\/(\w+)$/; - &settype($sheetone,$1); + my ($sheet)=&makenewsheet($aname,$adom,$1,$ENV{'form.usymb'}); + # + # If a new formula had been entered, go from work copy if ($ENV{'form.unewfield'}) { $r->print('

Modified Workcopy

'); $ENV{'form.unewformula'}=~s/\'/\"/g; - $r->print('New formula: '.$ENV{'form.unewfield'}.'='. - $ENV{'form.unewformula'}.'
'); - &setfilename($sheetone,$ENV{'form.ufn'}); - &tmpread($sheetone,$r->dir_config('lonDaemons').'/tmp/', - $ENV{'form.usymb'}, - $ENV{'form.unewfield'},$ENV{'form.unewformula'}); + $r->print('

New formula: '.$ENV{'form.unewfield'}.'='. + $ENV{'form.unewformula'}.'

'); + $sheet->{'filename'} = $ENV{'form.ufn'}; + &tmpread($sheet,$ENV{'form.unewfield'},$ENV{'form.unewformula'}); + } elsif ($ENV{'form.saveas'}) { + $sheet->{'filename'} = $ENV{'form.ufn'}; + &tmpread($sheet); } else { - &readsheet($sheetone,$ENV{'form.ufn'},$r); + &readsheet($sheet,$ENV{'form.ufn'}); } - -# --------------------------------------------- See if all import rows uptodate - - if (tie(%parmhash,'GDBM_File', - $ENV{'request.course.fn'}.'_parms.db',&GDBM_READER,0640)) { - $csec=&Apache::lonnet::usection($udom,$uname,$ENV{'request.course.id'}); - if ($csec eq '-1') { - $r->print('

'. - "User '$uname' at domain '$udom' not a student in this course

"); - } - &updaterows($sheetone); - untie(%parmhash); - } else { - $r->print('

'. - 'Could not initialize import fields (not in a course)

'); - } - -# ------------------------------------------------ Write the modified worksheet - - &tmpwrite($sheetone,$r->dir_config('lonDaemons').'/tmp/', - $ENV{'form.usymb'}); - -# ----------------------------------------------------- Print user, course, etc - unless ($reroute) { - $r->print("User '$uname' at domain '$udom' for '". - $ENV{'course.'.$ENV{'request.course.id'}.'.description'}."'"); - if ($csec) { - $r->print(", group/section '$csec'"); - } - $r->print("\n"); - } -# -------------------------------------------------------- Import and calculate - - if (&gettype($sheetone) eq 'assesscalc') { - &rowaassess($sheetone,$ENV{'form.usymb'}); - } elsif (&gettype($sheetone) eq 'studentcalc') { - &rowazstudent($sheetone); - } - my $calcoutput=&calcsheet($sheetone); - unless ($reroute) { - $r->print('

'.$calcoutput.'

'); - } - -# ------------------------------------------------------- Print or export sheet - unless ($reroute) { - $r->print(&outsheet($sheetone)); - + # Print out user information + if ($sheet->{'sheettype'} ne 'classcalc') { + $r->print('

User: '.$sheet->{'uname'}. + '
Domain: '.$sheet->{'udom'}); + $r->print('
Section/Group: '.$sheet->{'csec'}); + if ($ENV{'form.usymb'}) { + $r->print('
Assessment: '. + $ENV{'form.usymb'}.''); + } + } + # + # Check user permissions + if (($sheet->{'sheettype'} eq 'classcalc' ) || + ($sheet->{'uname'} ne $ENV{'user.name'} ) || + ($sheet->{'udom'} ne $ENV{'user.domain'})) { + unless (&Apache::lonnet::allowed('vgr',$sheet->{'cid'})) { + $r->print('

Access Permission Denied

'. + '
'); + return OK; + } + } + # Additional options + $r->print('
'. + '

'); + if ($sheet->{'sheettype'} eq 'assesscalc') { + $r->print('

'. + ''. + 'Level up: Student Sheet

'); + } + if (($sheet->{'sheettype'} eq 'studentcalc') && + (&Apache::lonnet::allowed('vgr',$sheet->{'cid'}))) { + $r->print ('

'. + 'Level up: Course Sheet

'); + } + # Save dialog + if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) { + my $fname=$ENV{'form.ufn'}; + $fname=~s/\_[^\_]+$//; + if ($fname eq 'default') { $fname='course_default'; } + $r->print(''. + ''. + 'make default:

'); + } + $r->print(&hiddenfield('ufn',$sheet->{'filename'})); + # Load dialog + if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) { + $r->print('

'. + '

'); + if ($sheet->{'sheettype'} eq 'studentcalc') { + &setothersheets($sheet, + &othersheets($sheet,'assesscalc')); + } + } + # Cached sheets + &expirationdates(); + undef %oldsheets; + undef %loadedcaches; + if ($sheet->{'sheettype'} eq 'classcalc') { + $r->print("Loading previously calculated student sheets ...\n"); + $r->rflush(); + &cachedcsheets(); + } elsif ($sheet->{'sheettype'} eq 'studentcalc') { + $r->print("Loading previously calculated assessment sheets ...\n"); + $r->rflush(); + &cachedssheets($sheet->{'uname'},$sheet->{'udom'},$sheet->{'uhome'}); + } + # Update sheet, load rows + $r->print("Loaded sheet(s), updating rows ...
\n"); + $r->rflush(); + # + &updatesheet($sheet); + $r->print("Updated rows, loading row data ...\n"); + $r->rflush(); + # + &loadrows($sheet,$r); + $r->print("Loaded row data, calculating sheet ...
\n"); + $r->rflush(); + # + my $calcoutput=&calcsheet($sheet); + $r->print('

'.$calcoutput.'

'); + # See if something to save + if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) { + my $fname=''; + if ($ENV{'form.saveas'} && ($fname=$ENV{'form.newfn'})) { + $fname=~s/\W/\_/g; + if ($fname eq 'default') { $fname='course_default'; } + $fname.='_'.$sheet->{'sheettype'}; + $sheet->{'filename'} = $fname; + $ENV{'form.ufn'}=$fname; + $r->print('

Saving spreadsheet: '. + &writesheet($sheet,$ENV{'form.makedefufn'}). + '

'); + } + } + # + # Write the modified worksheet + $r->print('Current sheet: '.$sheet->{'filename'}.'

'); + &tmpwrite($sheet); + if ($sheet->{'sheettype'} eq 'studentcalc') { + $r->print('
Show rows with empty A column: '); + } else { + $r->print('
Show empty rows: '); + } + # + $r->print(&hiddenfield('userselhidden','true'). + 'print(' checked'); + } else { + unless ($ENV{'form.userselhidden'}) { + unless + ($ENV{'course.'.$ENV{'request.course.id'}.'.hideemptyrows'} eq 'yes') { + $r->print(' checked'); + $ENV{'form.showall'}=1; + } + } + } + $r->print('>'); + # + # CSV format checkbox (classcalc sheets only) + $r->print(' Output CSV format: print(' checked') if ($ENV{'form.showcsv'}); + $r->print('>'); + if ($sheet->{'sheettype'} eq 'classcalc') { + $r->print(' Student Status: '. + &Apache::lonhtmlcommon::StatusOptions + ($ENV{'form.Status'},'sheet')); + } + # + # Buttons to insert rows + $r->print(< + +
+ENDINSERTBUTTONS + # Print out sheet + &outsheet($r,$sheet); $r->print(''); - } else { - $r->print(&exportrow($sheetone)); - } -# ------------------------------------------------------------------------ Done - } else { -# ----------------------------- Not in a course, or not allowed to modify parms - $ENV{'user.error.msg'}= - $r->uri.":opa:0:0:Cannot modify spreadsheet"; - return HTTP_NOT_ACCEPTABLE; - } + # Done return OK; } 1; __END__ - - - - - - - - - - - - - - - -