--- loncom/interface/Attic/lonspreadsheet.pm 2002/12/05 15:31:05 1.155
+++ loncom/interface/Attic/lonspreadsheet.pm 2003/01/30 18:37:49 1.166
@@ -1,5 +1,5 @@
#
-# $Id: lonspreadsheet.pm,v 1.155 2002/12/05 15:31:05 matthew Exp $
+# $Id: lonspreadsheet.pm,v 1.166 2003/01/30 18:37:49 matthew Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -50,12 +50,434 @@ built-in functions.
=cut
+
package Apache::lonspreadsheet;
use strict;
use Apache::Constants qw(:common :http);
use Apache::lonnet;
use Apache::lonhtmlcommon;
+use HTML::Entities();
+
+# --------------------------------------------------------- Various form fields
+
+sub textfield {
+ my ($title,$name,$value)=@_;
+ return "\n<p><b>$title:</b><br>".
+ '<input type=text name="'.$name.'" size=80 value="'.$value.'">';
+}
+
+sub hiddenfield {
+ my ($name,$value)=@_;
+ return "\n".'<input type=hidden name="'.$name.'" value="'.$value.'">';
+}
+
+sub selectbox {
+ my ($title,$name,$value,%options)=@_;
+ my $selout="\n<p><b>$title:</b><br>".'<select name="'.$name.'">';
+ foreach (sort keys(%options)) {
+ $selout.='<option value="'.$_.'"';
+ if ($_ eq $value) { $selout.=' selected'; }
+ $selout.='>'.$options{$_}.'</option>';
+ }
+ return $selout.'</select>';
+}
+
+my %oldsheets;
+my %loadedcaches;
+
+# ================================================================ Main handler
+#
+# Interactive call to screen
+#
+#
+sub handler {
+ my $r=shift;
+
+ my ($sheettype) = ($r->uri=~/\/(\w+)$/);
+
+ if (! exists($ENV{'form.Status'})) {
+ $ENV{'form.Status'} = 'Active';
+ }
+ if ( ! exists($ENV{'form.output'}) ||
+ ($sheettype ne 'classcalc' &&
+ lc($ENV{'form.output'}) eq 'recursive excel')) {
+ $ENV{'form.output'} = 'HTML';
+ }
+ #
+ # Overload checking
+ #
+ # 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 $loaderror; }
+ #
+ # HTML Header
+ #
+ if ($r->header_only) {
+ $r->content_type('text/html');
+ $r->send_http_header;
+ return OK;
+ }
+ #
+ # Roles Checking
+ #
+ # 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','mapid','resid']);
+ #
+ # Deal with restricted student permissions
+ #
+ if ($ENV{'request.role'} =~ /^st\./) {
+ delete $ENV{'form.unewfield'} if (exists($ENV{'form.unewfield'}));
+ delete $ENV{'form.unewformula'} if (exists($ENV{'form.unewformula'}));
+ }
+ #
+ # Look for special assessment spreadsheets - '_feedback', etc.
+ #
+ if (($ENV{'form.usymb'}=~/^\_(\w+)/) && (!$ENV{'form.ufn'} ||
+ $ENV{'form.ufn'} eq '' ||
+ $ENV{'form.ufn'} eq 'default')) {
+ $ENV{'form.ufn'}='default_'.$1;
+ }
+ if (!$ENV{'form.ufn'} || $ENV{'form.ufn'} eq 'default') {
+ $ENV{'form.ufn'}='course_default_'.$sheettype;
+ }
+ #
+ # 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, try to prevent browser cache.
+ #
+ $r->content_type('text/html');
+ $r->header_out('Cache-control','no-cache');
+ $r->header_out('Pragma','no-cache');
+ $r->send_http_header;
+ #
+ # Header....
+ #
+ $r->print('<html><head><title>LON-CAPA Spreadsheet</title>');
+ my $nothing = "''";
+ if ($ENV{'browser.type'} eq 'explorer') {
+ $nothing = "'javascript:void(0);'";
+ }
+
+ if ($ENV{'request.role'} !~ /^st\./) {
+ $r->print(<<ENDSCRIPT);
+<script language="JavaScript">
+
+ var editwin;
+
+ function celledit(cellname,cellformula) {
+ var edit_text = '';
+ // cellformula may contain less-than and greater-than symbols, so
+ // we need to escape them?
+ edit_text +='<html><head><title>Cell Edit Window</title></head><body>';
+ edit_text += '<form name="editwinform">';
+ edit_text += '<center><h3>Cell '+cellname+'</h3>';
+ edit_text += '<textarea name="newformula" cols="40" rows="6"';
+ edit_text += ' wrap="off" >'+cellformula+'</textarea>';
+ edit_text += '</br>';
+ edit_text += '<input type="button" name="accept" value="Accept"';
+ edit_text += ' onClick=\\\'javascript:';
+ edit_text += 'opener.document.sheet.unewfield.value=';
+ edit_text += '"'+cellname+'";';
+ edit_text += 'opener.document.sheet.unewformula.value=';
+ edit_text += 'document.editwinform.newformula.value;';
+ edit_text += 'opener.document.sheet.submit();';
+ edit_text += 'self.close()\\\' />';
+ edit_text += ' ';
+ edit_text += '<input type="button" name="abort" ';
+ edit_text += 'value="Discard Changes"';
+ edit_text += ' onClick="javascript:self.close()" />';
+ edit_text += '</center></body></html>';
+
+ if (editwin != null && !(editwin.closed) ) {
+ editwin.close();
+ }
+
+ editwin = window.open($nothing,'CellEditWin','height=200,width=350,scrollbars=no,resizeable=yes,alwaysRaised=yes,dependent=yes',true);
+ editwin.document.write(edit_text);
+ }
+
+ function changesheet(cn) {
+ document.sheet.unewfield.value=cn;
+ document.sheet.unewformula.value='changesheet';
+ document.sheet.submit();
+ }
+
+ function insertrow(cn) {
+ document.sheet.unewfield.value='insertrow';
+ document.sheet.unewformula.value=cn;
+ document.sheet.submit();
+ }
+
+</script>
+ENDSCRIPT
+ }
+ $r->print('</head>'.&Apache::loncommon::bodytag('Grades Spreadsheet').
+ '<form action="'.$r->uri.'" name="sheet" method="post">');
+ $r->print(&hiddenfield('uname',$ENV{'form.uname'}).
+ &hiddenfield('udom',$ENV{'form.udom'}).
+ &hiddenfield('usymb',$ENV{'form.usymb'}).
+ &hiddenfield('unewfield','').
+ &hiddenfield('unewformula',''));
+ $r->rflush();
+ #
+ # Full recalc?
+ #
+ # Read new sheet or modified worksheet
+ my $sheet=Apache::lonspreadsheet::Spreadsheet->new($aname,$adom,$sheettype,$ENV{'form.usymb'});
+ if ($ENV{'form.forcerecalc'}) {
+ $r->print('<h4>Completely Recalculating Sheet ...</h4>');
+ $sheet->complete_recalc();
+ }
+ #
+ # Global directory configs
+ #
+ $sheet->includedir($r->dir_config('lonIncludes'));
+ $sheet->tmpdir($r->dir_config('lonDaemons').'/tmp/');
+ #
+ # Check user permissions
+ if (($sheet->{'type'} eq 'classcalc' ) ||
+ ($sheet->{'uname'} ne $ENV{'user.name'} ) ||
+ ($sheet->{'udom'} ne $ENV{'user.domain'})) {
+ unless (&Apache::lonnet::allowed('vgr',$sheet->{'cid'})) {
+ $r->print('<h1>Access Permission Denied</h1>'.
+ '</form></body></html>');
+ return OK;
+ }
+ }
+ # Print out user information
+ $r->print('<h2>'.$sheet->{'coursedesc'}.'</h2>');
+ if ($sheet->{'type'} ne 'classcalc') {
+ $r->print('<h2>'.$sheet->gettitle().'</h2><p>');
+ }
+ if ($sheet->{'type'} eq 'assesscalc') {
+ $r->print('<b>User:</b> '.$sheet->{'uname'}.
+ '<br /><b>Domain:</b> '.$sheet->{'udom'}.'<br />');
+ }
+ if ($sheet->{'type'} eq 'studentcalc' ||
+ $sheet->{'type'} eq 'assesscalc') {
+ $r->print('<b>Section/Group:</b>'.$sheet->{'csec'}.'</p>');
+ }
+ #
+ # If a new formula had been entered, go from work copy
+ if ($ENV{'form.unewfield'}) {
+ $r->print('<h2>Modified Workcopy</h2>');
+ #$ENV{'form.unewformula'}=~s/\'/\"/g;
+ $r->print('<p>Cell '.$ENV{'form.unewfield'}.' = <pre>');
+ $r->print(&HTML::Entities::encode($ENV{'form.unewformula'}).
+ '</pre></p>');
+ $sheet->{'filename'} = $ENV{'form.ufn'};
+ $sheet->tmpread($ENV{'form.unewfield'},$ENV{'form.unewformula'});
+ } elsif ($ENV{'form.saveas'}) {
+ $sheet->{'filename'} = $ENV{'form.ufn'};
+ $sheet->tmpread();
+ } else {
+ $sheet->readsheet($ENV{'form.ufn'});
+ }
+ # Additional options
+ if ($sheet->{'type'} eq 'assesscalc') {
+ $r->print('<p><font size=+2>'.
+ '<a href="/adm/studentcalc?'.
+ 'uname='.$sheet->{'uname'}.
+ '&udom='.$sheet->{'udom'}.'">'.
+ 'Level up: Student Sheet</a></font></p>');
+ }
+ if (($sheet->{'type'} eq 'studentcalc') &&
+ (&Apache::lonnet::allowed('vgr',$sheet->{'cid'}))) {
+ $r->print ('<p><font size=+2><a href="/adm/classcalc">'.
+ 'Level up: Course Sheet</a></font></p>');
+ }
+ # Recalc button
+ $r->print('<br />'.
+ '<input type="submit" name="forcerecalc" '.
+ 'value="Completely Recalculate Sheet"></p>');
+ # Save dialog
+ if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
+ my $fname=$ENV{'form.ufn'};
+ $fname=~s/\_[^\_]+$//;
+ if ($fname eq 'default') { $fname='course_default'; }
+ $r->print('<input type=submit name=saveas value="Save as ...">'.
+ '<input type=text size=20 name=newfn value="'.$fname.'">'.
+ 'make default: <input type=checkbox name="makedefufn"><p>');
+ }
+ $r->print(&hiddenfield('ufn',$sheet->{'filename'}));
+ # Load dialog
+ if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
+ $r->print('<p><input type=submit name=load value="Load ...">'.
+ '<select name="loadthissheet">'.
+ '<option name="default">Default</option>');
+ foreach ($sheet->othersheets()) {
+ $r->print('<option name="'.$_.'"');
+ if ($ENV{'form.ufn'} eq $_) {
+ $r->print(' selected');
+ }
+ $r->print('>'.$_.'</option>');
+ }
+ $r->print('</select><p>');
+ if ($sheet->{'type'} eq 'studentcalc') {
+ $sheet->setothersheets($sheet->othersheets('assesscalc'));
+ }
+ }
+ #
+ # Set up caching mechanisms
+ #
+ &Apache::lonspreadsheet::Spreadsheet::load_spreadsheet_expirationdates();
+ # Clear out old caches if we have not seen this class before.
+ if (exists($oldsheets{'course'}) &&
+ $oldsheets{'course'} ne $sheet->{'cid'}) {
+ undef %oldsheets;
+ undef %loadedcaches;
+ }
+ $oldsheets{'course'} = $sheet->{'cid'};
+ #
+ if ($sheet->{'type'} eq 'classcalc') {
+ $r->print("Loading previously calculated student sheets ...\n");
+ $r->rflush();
+ &Apache::lonspreadsheet::Spreadsheet::cachedcsheets();
+ } elsif ($sheet->{'type'} eq 'studentcalc') {
+ $r->print("Loading previously calculated assessment sheets ...\n");
+ $r->rflush();
+ $sheet->cachedssheets();
+ }
+ # Update sheet, load rows
+ $r->print("Loaded sheet(s), updating rows ...<br>\n");
+ $r->rflush();
+ #
+ $sheet->updatesheet();
+ $r->print("Updated rows, loading row data ...\n");
+ $r->rflush();
+ #
+ $sheet->loadrows($r);
+ $r->print("Loaded row data, calculating sheet ...<br>\n");
+ $r->rflush();
+ #
+ my $calcoutput=$sheet->calcsheet();
+ $r->print('<h3><font color=red>'.$calcoutput.'</h3></font>');
+ # 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->{'type'};
+ $sheet->{'filename'} = $fname;
+ $ENV{'form.ufn'}=$fname;
+ $r->print('<p>Saving spreadsheet: '.
+ $sheet->writesheet($ENV{'form.makedefufn'}).
+ '<p>');
+ }
+ }
+ #
+ # Write the modified worksheet
+ $r->print('<b>Current sheet:</b> '.$sheet->{'filename'}.'</p>');
+ $sheet->tmpwrite();
+ if ($sheet->{'type'} eq 'assesscalc') {
+ $r->print('<p>Show rows with empty A column: ');
+ } else {
+ $r->print('<p>Show empty rows: ');
+ }
+ #
+ $r->print(&hiddenfield('userselhidden','true').
+ '<input type="checkbox" name="showall" onClick="submit()"');
+ #
+ if ($ENV{'form.showall'}) {
+ $r->print(' checked');
+ } else {
+ unless ($ENV{'form.userselhidden'}) {
+ unless
+ ($ENV{'course.'.$sheet->{'cid'}.'.hideemptyrows'} eq 'yes') {
+ $r->print(' checked');
+ $ENV{'form.showall'}=1;
+ }
+ }
+ }
+ $r->print('>');
+ #
+ # output format select box
+ $r->print(' Output as <select name="output" size="1" onChange="submit()">'.
+ "\n");
+ foreach my $mode (qw/HTML CSV Excel/) {
+ $r->print('<option value="'.$mode.'"');
+ if ($ENV{'form.output'} eq $mode) {
+ $r->print(' selected ');
+ }
+ $r->print('>'.$mode.'</option>'."\n");
+ }
+#
+# Mulit-sheet excel takes too long and does not work at all for large
+# classes. Future inclusion of this option may be possible with the
+# Spreadsheet::WriteExcel::Big and speed improvements.
+#
+# if ($sheet->{'type'} eq 'classcalc') {
+# $r->print('<option value="recursive excel"');
+# if ($ENV{'form.output'} eq 'recursive excel') {
+# $r->print(' selected ');
+# }
+# $r->print(">Multi-Sheet Excel</option>\n");
+# }
+ $r->print("</select>\n");
+ #
+ if ($sheet->{'type'} eq 'classcalc') {
+ $r->print(' Student Status: '.
+ &Apache::lonhtmlcommon::StatusOptions
+ ($ENV{'form.Status'},'sheet'));
+ }
+ #
+ # Buttons to insert rows
+# $r->print(<<ENDINSERTBUTTONS);
+#<br>
+#<input type='button' onClick='insertrow("top");'
+#value='Insert Row Top'>
+#<input type='button' onClick='insertrow("bottom");'
+#value='Insert Row Bottom'><br>
+#ENDINSERTBUTTONS
+ # Print out sheet
+ $sheet->outsheet($r);
+ $r->print('</form></body></html>');
+ # Done
+ return OK;
+}
+
+1;
+
+#############################################################
+#############################################################
+#############################################################
+
+package Apache::lonspreadsheet::Spreadsheet;
+
+use strict;
+use Apache::Constants qw(:common :http);
+use Apache::lonnet;
use Apache::loncoursedata;
use Apache::File();
use Safe;
@@ -65,6 +487,15 @@ use GDBM_File;
use HTML::Entities();
use HTML::TokeParser;
use Spreadsheet::WriteExcel;
+use Time::HiRes;
+
+#
+# These global hashes are dependent on user, course and resource,
+# and need to be initialized every time when a sheet is calculated
+#
+my %courseopt;
+my %useropt;
+my %parmhash;
#
# Caches for coursewide information
@@ -74,58 +505,299 @@ 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 can/should be in the keys)
+# Some hashes for stats on timing and performance
#
+my %starttimes;
+my %usedtimes;
+my %numbertimes;
+
+#
+# Directories
+#
+my $includedir;
+my $tmpdir;
+
+sub includedir {
+ my $self = shift;
+ $includedir = shift;
+}
+
+sub tmpdir {
+ my $self = shift;
+ $tmpdir = shift;
+}
my %spreadsheets;
+my %loadedcaches;
my %courserdatas;
my %userrdatas;
my %defaultsheets;
my %rowlabel_cache;
+my %oldsheets;
+
+sub complete_recalc {
+ my $self = shift;
+ undef %spreadsheets;
+ undef %courserdatas;
+ undef %userrdatas;
+ undef %defaultsheets;
+ undef %rowlabel_cache;
+}
+
+sub get_sheet {
+ my $self = shift;
+ my $sheet_id = shift;
+ my $formulas;
+ # if we already have the file loaded and parsed, return the formulas
+ if (exists($self->{'sheets'}->{$sheet_id})) {
+ $formulas = $self->{'sheets'}->{$sheet_id};
+ $self->debug('retrieved '.$sheet_id);
+ } else {
+ # load the file
+ # set $error and return undef if there is an error loading
+ # parse it
+ # set $error and return undef if there is an error parsing
+ }
+ return $formulas;
+}
#
-# These global hashes are dependent on user, course and resource,
-# and need to be initialized every time when a sheet is calculated
+# Load previously cached student spreadsheets for this course
#
-my %courseopt;
-my %useropt;
-my %parmhash;
+sub load_spreadsheet_expirationdates {
+ undef %expiredates;
+ my $cid=$ENV{'request.course.id'};
+ my @tmp = &Apache::lonnet::dump('nohist_expirationdates',
+ $ENV{'course.'.$cid.'.domain'},
+ $ENV{'course.'.$cid.'.num'});
+ if (lc($tmp[0]) !~ /^error/){
+ %expiredates = @tmp;
+ }
+}
+# ===================================================== Calculated sheets cache
#
-# Some hashes for stats on timing and performance
+# Load previously cached student spreadsheets for this course
#
+sub cachedcsheets {
+ my $cid=$ENV{'request.course.id'};
+ my @tmp = &Apache::lonnet::dump('nohist_calculatedsheets',
+ $ENV{'course.'.$cid.'.domain'},
+ $ENV{'course.'.$cid.'.num'});
+ if ($tmp[0] !~ /^error/) {
+ my %StupidTempHash = @tmp;
+ while (my ($key,$value) = each %StupidTempHash) {
+ $Apache::lonspreadsheet::oldsheets{$key} = $value;
+ }
+ }
+}
-my %starttimes;
-my %usedtimes;
-my %numbertimes;
+#
+# Load previously cached assessment spreadsheets for this student
+#
+sub cachedssheets {
+ my $self = shift;
+ my ($uname,$udom) = @_;
+ $uname = $uname || $self->{'uname'};
+ $udom = $udom || $self->{'udom'};
+ if (! $Apache::lonspreadsheet::loadedcaches{$uname.'_'.$udom}) {
+ my @tmp = &Apache::lonnet::dump('nohist_calculatedsheets_'.
+ $ENV{'request.course.id'},
+ $self->{'udom'},
+ $self->{'uname'});
+ if ($tmp[0] !~ /^error/) {
+ my %TempHash = @tmp;
+ my $count = 0;
+ while (my ($key,$value) = each %TempHash) {
+ $Apache::lonspreadsheet::oldsheets{$key} = $value;
+ $count++;
+ }
+ $Apache::lonspreadsheet::loadedcaches{$self->{'uname'}.'_'.$self->{'udom'}}=1;
+ }
+ }
+}
-# Stuff that only the screen handler can know
+# ======================================================= Forced recalculation?
+sub checkthis {
+ my ($keyname,$time)=@_;
+ if (! exists($expiredates{$keyname})) {
+ return 0;
+ } else {
+ return ($time<$expiredates{$keyname});
+ }
+}
-my $includedir;
-my $tmpdir;
+sub forcedrecalc {
+ my ($uname,$udom,$stype,$usymb)=@_;
+ my $key=$uname.':'.$udom.':'.$stype.':'.$usymb;
+ my $time=$Apache::lonspreadsheet::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;
+}
+
+
+##################################################
+##################################################
+
+=pod
+
+=item &parmval()
+
+Determine the value of a parameter.
+
+Inputs: $what, the parameter needed, $symb, $uname, $udom, $csec
+
+Returns: The value of a parameter, or '' if none.
+
+This function cascades through the possible levels searching for a value for
+a parameter. The levels are checked in the following order:
+user, course (at section level and course level), map, and lonnet::metadata.
+This function uses %parmhash, which must be tied prior to calling it.
+This function also requires %courseopt and %useropt to be initialized for
+this user and course.
+
+=cut
+
+##################################################
+##################################################
+sub parmval {
+ my ($what,$symb,$uname,$udom,$csec)=@_;
+ return '' if (!$symb);
+ #
+ my $cid = $ENV{'request.course.id'};
+ 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');
+}
-# =============================================================================
-# ===================================== Implements an instance of a spreadsheet
+#
+# new: Make a new spreadsheet
+#
+sub new {
+ my $this = shift;
+ my $class = ref($this) || $this;
+ #
+ my ($uname,$udom,$stype,$usymb)=@_;
+ #
+ my $self = {
+ uname => $uname,
+ udom => $udom,
+ type => $stype,
+ usymb => $usymb,
+ errorlog => '',
+ maxrow => '',
+ mapid => $ENV{'form.mapid'},
+ resid => $ENV{'form.resid'},
+ cid => $ENV{'request.course.id'},
+ csec => $Section{$uname.':'.$udom},
+ cnum => $ENV{'course.'.$ENV{'request.course.id'}.'.num'},
+ cdom => $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
+ chome => $ENV{'course.'.$ENV{'request.course.id'}.'.home'},
+ coursefilename => $ENV{'request.course.fn'},
+ coursedesc => $ENV{'course.'.$ENV{'request.course.id'}.'.description'},
+ rows => [],
+ template_cells => [],
+ };
+ $self->{'uhome'} = &Apache::lonnet::homeserver($uname,$udom);
+ #
+ #
+ $self->{'formulas'} = {};
+ $self->{'constants'} = {};
+ $self->{'othersheets'} = [];
+ $self->{'rowlabel'} = {};
+ #
+ #
+ $self->{'safe'} = &initsheet($self->{'type'});
+ $self->{'root'} = $self->{'safe'}->root();
+ #
+ # Place some of the %$self items into the safe space except the safe space
+ # itself
+ my $initstring = '';
+ foreach (qw/uname udom type usymb cid csec coursefilename
+ cnum cdom chome uhome/) {
+ $initstring.= qq{\$$_="$self->{$_}";};
+ }
+ $self->{'safe'}->reval($initstring);
+ bless($self,$class);
+ return $self;
+}
##
## mask - used to reside in the safe space.
##
+{
+
+my %memoizer;
+
sub mask {
my ($lower,$upper)=@_;
+ my $key = $lower.'_'.$upper;
+ if (exists($memoizer{$key})) {
+ return $memoizer{$key};
+ }
$upper = $lower if (! defined($upper));
#
my ($la,$ld) = ($lower=~/([A-Za-z]|\*)(\d+|\*)/);
@@ -195,81 +867,16 @@ sub mask {
}
}
}
- return '^'.$alpha.$num."\$";
+ my $expression ='^'.$alpha.$num."\$";
+ $memoizer{$key} = $expression;
+ return $expression;
}
-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 $code=<<'ENDDEFS';
-# ---------------------------------------------------- Inside of the safe space
-
-#
-# f: formulas
-# t: intermediate format (variable references expanded)
-# v: output values
-# c: preloaded constants (A-column)
-# rl: row label
-# os: other spreadsheets (for student spreadsheet only)
-
-undef %sheet_values; # Holds the (computed, final) values for the sheet
- # This is only written to by &calc, the spreadsheet computation routine.
- # It is read by many functions
-undef %t; # Holds the values of the spreadsheet temporarily. Set in &sett,
- # which does the translation of strings like C5 into the value in C5.
- # Used in &calc - %t holds the values that are actually eval'd.
-undef %f; # Holds the formulas for each cell. This is the users
- # (spreadsheet authors) data for each cell.
- # set by &setformulas and returned by &getformulas
- # &setformulas is called by &readsheet, &tmpread, &updateclasssheet,
- # &updatestudentassesssheet, &loadstudent, &loadcourse
- # &getformulas is called by &writesheet, &tmpwrite, &updateclasssheet,
- # &updatestudentassesssheet, &loadstudent, &loadcourse, &loadassessment,
-undef %c; # Holds the constants for a sheet. In the assessment
- # sheets, this is the A column. Used in &MINPARM, &MAXPARM, &expandnamed,
- # &sett, and &setconstants. There is no &getconstants.
- # &setconstants is called by &loadstudent, &loadcourse, &load assessment,
-undef @os; # Holds the names of other spreadsheets - this is used to specify
- # the spreadsheets that are available for the assessment sheet.
- # Set by &setothersheets. &setothersheets is called by &handler. A
- # related subroutine is &othersheets.
-#$errorlog = '';
-
-$maxrow = 0;
-$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 = '';
-
+}
+sub add_hash_to_safe {
+ my $self = shift;
+ my $code = <<'END';
#-------------------------------------------------------
=item UWCALC(hashname,modules,units,date)
@@ -536,6 +1143,75 @@ sub HASH {
}
return $Values[-1];
}
+END
+ $self->{'safe'}->reval($code);
+ return;
+}
+
+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');
+ $safehole->wrap(\&mask,$safeeval,'&mask');
+ $safeeval->share('$@');
+ my $code=<<'ENDDEFS';
+# ---------------------------------------------------- Inside of the safe space
+#
+# f: formulas
+# t: intermediate format (variable references expanded)
+# v: output values
+# c: preloaded constants (A-column)
+# rl: row label
+# os: other spreadsheets (for student spreadsheet only)
+
+undef %sheet_values; # Holds the (computed, final) values for the sheet
+ # This is only written to by &calc, the spreadsheet computation routine.
+ # It is read by many functions
+undef %t; # Holds the values of the spreadsheet temporarily. Set in &sett,
+ # which does the translation of strings like C5 into the value in C5.
+ # Used in &calc - %t holds the values that are actually eval'd.
+undef %f; # Holds the formulas for each cell. This is the users
+ # (spreadsheet authors) data for each cell.
+undef %c; # Holds the constants for a sheet. In the assessment
+ # sheets, this is the A column. Used in &MINPARM, &MAXPARM, &expandnamed,
+ # &sett, and &constants. There is no &getconstants.
+ # &constants is called by &loadstudent, &loadcourse, &load assessment,
+undef @os; # Holds the names of other spreadsheets - this is used to specify
+ # the spreadsheets that are available for the assessment sheet.
+ # Set by &setothersheets. &setothersheets is called by &handler. A
+ # related subroutine is &othersheets.
+$errorlog = '';
+
+$maxrow = 0;
+$type = '';
+
+# filename/reference of the sheet
+$filename = '';
+
+# user data
+$uname = '';
+$uhome = '';
+$udom = '';
+
+# course data
+
+$csec = '';
+$chome= '';
+$cnum = '';
+$cdom = '';
+$cid = '';
+$coursefilename = '';
+
+# symb
+
+$usymb = '';
+
+# error messages
+$errormsg = '';
#-------------------------------------------------------
@@ -547,14 +1223,14 @@ returns the number of items in the range
#-------------------------------------------------------
sub NUM {
- my $mask=mask(@_);
+ my $mask=&mask(@_);
my $num= $#{@{grep(/$mask/,keys(%sheet_values))}}+1;
return $num;
}
sub BIN {
my ($low,$high,$lower,$upper)=@_;
- my $mask=mask($lower,$upper);
+ my $mask=&mask($lower,$upper);
my $num=0;
foreach (grep /$mask/,keys(%sheet_values)) {
if (($sheet_values{$_}>=$low) && ($sheet_values{$_}<=$high)) {
@@ -575,7 +1251,7 @@ returns the sum of items in the range.
#-------------------------------------------------------
sub SUM {
- my $mask=mask(@_);
+ my $mask=&mask(@_);
my $sum=0;
foreach (grep /$mask/,keys(%sheet_values)) {
$sum+=$sheet_values{$_};
@@ -593,7 +1269,8 @@ compute the average of the items in the
#-------------------------------------------------------
sub MEAN {
- my $mask=mask(@_);
+ my $mask=&mask(@_);
+# $errorlog.='(mask = '.$mask.' )';
my $sum=0;
my $num=0;
foreach (grep /$mask/,keys(%sheet_values)) {
@@ -617,7 +1294,8 @@ compute the standard deviation of the it
#-------------------------------------------------------
sub STDDEV {
- my $mask=mask(@_);
+ my $mask=&mask(@_);
+# $errorlog.='(mask = '.$mask.' )';
my $sum=0; my $num=0;
foreach (grep /$mask/,keys(%sheet_values)) {
$sum+=$sheet_values{$_};
@@ -642,7 +1320,7 @@ compute the product of the items in the
#-------------------------------------------------------
sub PROD {
- my $mask=mask(@_);
+ my $mask=&mask(@_);
my $prod=1;
foreach (grep /$mask/,keys(%sheet_values)) {
$prod*=$sheet_values{$_};
@@ -660,7 +1338,7 @@ compute the maximum of the items in the
#-------------------------------------------------------
sub MAX {
- my $mask=mask(@_);
+ my $mask=&mask(@_);
my $max='-';
foreach (grep /$mask/,keys(%sheet_values)) {
unless ($max) { $max=$sheet_values{$_}; }
@@ -679,7 +1357,7 @@ compute the minimum of the items in the
#-------------------------------------------------------
sub MIN {
- my $mask=mask(@_);
+ my $mask=&mask(@_);
my $min='-';
foreach (grep /$mask/,keys(%sheet_values)) {
unless ($max) { $max=$sheet_values{$_}; }
@@ -702,7 +1380,7 @@ compute the sum of the largest 'num' ite
#-------------------------------------------------------
sub SUMMAX {
my ($num,$lower,$upper)=@_;
- my $mask=mask($lower,$upper);
+ my $mask=&mask($lower,$upper);
my @inside=();
foreach (grep /$mask/,keys(%sheet_values)) {
push (@inside,$sheet_values{$_});
@@ -727,7 +1405,7 @@ compute the sum of the smallest 'num' it
#-------------------------------------------------------
sub SUMMIN {
my ($num,$lower,$upper)=@_;
- my $mask=mask($lower,$upper);
+ my $mask=&mask($lower,$upper);
my @inside=();
foreach (grep /$mask/,keys(%sheet_values)) {
$inside[$#inside+1]=$sheet_values{$_};
@@ -786,20 +1464,58 @@ sub MAXPARM {
return $max;
}
-#--------------------------------------------------------
+sub calc {
+# $errorlog .= "\%t has ".(keys(%t))." keys\n";
+ %sheet_values = %t; # copy %t into %sheet_values.
+# $errorlog .= "\%sheet_values has ".(keys(%sheet_values))." keys\n";
+ my $notfinished=1;
+ my $lastcalc='';
+ my $depth=0;
+ while ($notfinished) {
+ $notfinished=0;
+ while (my ($cell,$value) = each(%t)) {
+ my $old=$sheet_values{$cell};
+ $sheet_values{$cell}=eval $value;
+ if ($@) {
+ undef %sheet_values;
+ return $cell.': '.$@;
+ }
+ if ($sheet_values{$cell} ne $old) {
+ $notfinished=1;
+ $lastcalc=$cell;
+ }
+ }
+ $depth++;
+ if ($depth>100) {
+ undef %sheet_values;
+ return $lastcalc.': Maximum calculation depth exceeded';
+ }
+ }
+ return '';
+}
+
+# ------------------------------------------- End of "Inside of the safe space"
+ENDDEFS
+ $safeeval->reval($code);
+ return $safeeval;
+}
+
+
+#
+# expandnamed used to reside in the safe space
+#
sub expandnamed {
+ my $self = shift;
my $expression=shift;
if ($expression=~/^\&/) {
my ($func,$var,$formula)=($expression=~/^\&(\w+)\(([^\;]+)\;(.*)\)/);
my @vars=split(/\W+/,$formula);
my %values=();
- undef %values;
- foreach ( @vars ) {
- my $varname=$_;
+ foreach my $varname ( @vars ) {
if ($varname=~/\D/) {
$formula=~s/$varname/'$c{\''.$varname.'\'}'/ge;
$varname=~s/$var/\(\\w\+\)/g;
- foreach (keys(%c)) {
+ foreach (keys(%{$self->{'constants'}})) {
if ($_=~/$varname/) {
$values{$1}=1;
}
@@ -829,18 +1545,21 @@ sub expandnamed {
my @matches = ();
$#matches = -1;
study $expression;
- foreach $parameter (keys(%c)) {
+ my $parameter;
+ foreach $parameter (keys(%{$self->{'constants'}})) {
push @matches,$parameter if ($parameter =~ /$expression/);
}
if (scalar(@matches) == 0) {
$returnvalue = 'unmatched parameter: '.$parameter;
} elsif (scalar(@matches) == 1) {
+ # why do we not do this lookup here, instead of delaying it?
$returnvalue = '$c{\''.$matches[0].'\'}';
} elsif (scalar(@matches) > 0) {
# more than one match. Look for a concise one
$returnvalue = "'non-unique parameter name : $expression'";
foreach (@matches) {
if (/^$expression$/) {
+ # why do we not do this lookup here?
$returnvalue = '$c{\''.$_.'\'}';
}
}
@@ -853,27 +1572,26 @@ sub expandnamed {
}
}
+#
+# sett used to reside in the safe space
+#
sub sett {
- %t=();
+ my $self = shift;
+ my %t=();
my $pattern='';
- if ($sheettype eq 'assesscalc') {
+ if ($self->{'type'} eq 'assesscalc') {
$pattern='A';
} else {
$pattern='[A-Z]';
}
# Deal with the template row
- foreach (keys(%f)) {
- next if ($_!~/template\_(\w)/);
- my $col=$1;
+ foreach my $col ($self->template_cells()) {
next if ($col=~/^$pattern/);
- foreach (keys(%f)) {
- next if ($_!~/A(\d+)/);
- my $trow=$1;
- next if (! $trow);
+ foreach my $trow ($self->rows()) {
# Get the name of this cell
my $lb=$col.$trow;
# Grab the template declaration
- $t{$lb}=$f{'template_'.$col};
+ $t{$lb}=$self->formula('template_'.$col);
# Replace '#' with the row number
$t{$lb}=~s/\#/$trow/g;
# Replace '....' with ','
@@ -881,139 +1599,125 @@ sub sett {
# 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;
+ $t{$lb}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.$self->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\$sheet_values\{\'$2\'\}/g;
- $t{$_}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.&expandnamed($2)/ge;
+ foreach ($self->formulas_keys()) {
+ next if ($_=~/template\_/);
+ if (($_=~/^$pattern(\d+)/) && ($1)) {
+ if ($self->formula($_) !~ /^\!/) {
+ $t{$_}=$self->{'constants'}->{$_};
}
+ } else {
+ $t{$_}=$self->formula($_);
+ $t{$_}=~s/\.\.+/\,/g;
+ $t{$_}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$sheet_values\{\'$2\'\}/g;
+ $t{$_}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.$self->expandnamed($2)/ge;
}
}
# For inserted lines, [B-Z] is also valid
- unless ($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($2)/ge;
- }
- }
- }
+ if ($self->{'type'} ne 'assesscalc') {
+ foreach ($self->formulas_keys()) {
+ next if ($_ !~ /[B-Z](\d+)/);
+ next if ($self->formula('A'.$1) !~ /^[\~\-]/);
+ $t{$_}=$self->formula($_);
+ $t{$_}=~s/\.\.+/\,/g;
+ $t{$_}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$sheet_values\{\'$2\'\}/g;
+ $t{$_}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.$self->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'};
+ $t{'A0'}=$self->formula('A0');
$t{'A0'}=~s/\.\.+/\,/g;
$t{'A0'}=~s/(^|[^\"\'])([A-Za-z]\d+)/$1\$sheet_values\{\'$2\'\}/g;
- $t{'A0'}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.&expandnamed($2)/ge;
+ $t{'A0'}=~s/(^|[^\"\'])\[([^\]]+)\]/$1.$self->expandnamed($2)/ge;
+ # Put %t into the safe space
+ %{$self->{'safe'}->varglob('t')}=%t;
}
-sub calc {
- undef %sheet_values;
- &sett();
- my $notfinished=1;
- my $lastcalc='';
- my $depth=0;
- while ($notfinished) {
- $notfinished=0;
- foreach (keys(%t)) {
- #$errorlog .= "$_:".$t{$_};
- my $old=$sheet_values{$_};
- $sheet_values{$_}=eval $t{$_};
- if ($@) {
- undef %sheet_values;
- return $_.': '.$@;
- }
- if ($sheet_values{$_} ne $old) { $notfinished=1; $lastcalc=$_; }
- #$errorlog .= ":".$sheet_values{$_}."\n";
- }
- $depth++;
- if ($depth>100) {
- undef %sheet_values;
- return $lastcalc.': Maximum calculation depth exceeded';
- }
- }
- return '';
-}
-
-# ------------------------------------------- End of "Inside of the safe space"
-ENDDEFS
- $safeeval->reval($code);
- return $safeeval;
-}
+###########################################
+### Row output routines ###
+###########################################
#
-#
+# get_row: Produce output row n from sheet by calling the appropriate routine
#
+sub get_row {
+ my $self = shift;
+ my ($n) = @_;
+ my ($rowlabel,@rowdata);
+ if ($n eq '-') {
+ ($rowlabel,@rowdata) = $self->templaterow();
+ } elsif ($self->{'type'} eq 'studentcalc') {
+ ($rowlabel,@rowdata) = $self->outrowassess($n);
+ } else {
+ ($rowlabel,@rowdata) = $self->outrow($n);
+ }
+ return ($rowlabel,@rowdata);
+}
+
sub templaterow {
- my $sheet = shift;
+ my $self = shift;
my @cols=();
- my $rowlabel = '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 $rowlabel = 'Template</td><td> ';
+ foreach my $n ('A','B','C','D','E','F','G','H','I','J','K','L','M',
+ 'N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
+ 'a','b','c','d','e','f','g','h','i','j','k','l','m',
+ 'n','o','p','q','r','s','t','u','v','w','x','y','z') {
push(@cols,{ name => 'template_'.$_,
- formula => $sheet->{'f'}->{'template_'.$_},
- value => $sheet->{'f'}->{'template_'.$_} });
+ formula => $self->formula('template_'.$n),
+ value => $self->value('template_'.$n) });
}
return ($rowlabel,@cols);
}
sub outrowassess {
+ my $self = shift;
# $n is the current row number
- my ($sheet,$n) = @_;
+ my ($n) = @_;
my @cols=();
my $rowlabel='';
if ($n) {
- my ($usy,$ufn)=split(/__&&&\__/,$sheet->{'f'}->{'A'.$n});
- if (exists($sheet->{'rowlabel'}->{$usy})) {
+ my ($usy,$ufn)=split(/__&&&\__/,$self->formula('A'.$n));
+ if (exists($self->{'rowlabel'}->{$usy})) {
# This is dumb, but we need the information when we output
# the html version of the studentcalc spreadsheet for the
# links to the assesscalc sheets.
- $rowlabel = $sheet->{'rowlabel'}->{$usy}.':'.
+ $rowlabel = $self->{'rowlabel'}->{$usy}.':'.
&Apache::lonnet::escape($ufn);
} else {
$rowlabel = '';
}
+ } elsif ($ENV{'request.role'} =~ /^st\./) {
+ $rowlabel = 'Summary</td><td>0';
} else {
- $rowlabel = 'Export';
+ $rowlabel = 'Export</td><td>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') {
push(@cols,{ name => $_.$n,
- formula => $sheet->{'f'}->{$_.$n},
- value => $sheet->{'values'}->{$_.$n}});
+ formula => $self->formula($_.$n),
+ value => $self->value($_.$n)});
}
return ($rowlabel,@cols);
}
sub outrow {
- my ($sheet,$n)=@_;
+ my $self = shift;
+ my ($n)=@_;
my @cols=();
my $rowlabel;
if ($n) {
- $rowlabel = $sheet->{'rowlabel'}->{$sheet->{'f'}->{'A'.$n}};
+ $rowlabel = $self->{'rowlabel'}->{$self->formula('A'.$n)};
} else {
- if ($sheet->{'sheettype'} eq 'classcalc') {
- $rowlabel = 'Summary';
+ if ($self->{'type'} eq 'classcalc') {
+ $rowlabel = 'Summary</td><td>0';
} else {
- $rowlabel = 'Export';
+ $rowlabel = 'Export</td><td>0';
}
}
foreach ('A','B','C','D','E','F','G','H','I','J','K','L','M',
@@ -1021,94 +1725,262 @@ sub outrow {
'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,{ name => $_.$n,
- formula => $sheet->{'f'}->{$_.$n},
- value => $sheet->{'values'}->{$_.$n}});
+ formula => $self->formula($_.$n),
+ value => $self->value($_.$n)});
}
return ($rowlabel,@cols);
}
-# ------------------------------------------------ Add or change formula values
-sub setformulas {
- my ($sheet)=shift;
- %{$sheet->{'safe'}->varglob('f')}=%{$sheet->{'f'}};
+########################################################
+#### Spreadsheet calculation methods #####
+########################################################
+#
+# calcsheet: makes all the calls to compute the spreadsheet.
+#
+sub calcsheet {
+ my $self = shift;
+ $self->sync_safe_space();
+ $self->clear_errorlog();
+ $self->sett();
+ my $result = $self->{'safe'}->reval('&calc();');
+ %{$self->{'values'}} = %{$self->{'safe'}->varglob('sheet_values')};
+ return $result;
}
-# ------------------------------------------------ Add or change formula values
-sub setconstants {
- my ($sheet)=shift;
+##
+## sync_safe_space: Called by calcsheet to make sure all the data we
+# need to calculate is placed into the safe space
+##
+sub sync_safe_space {
+ my $self = shift;
+ # Inside the safe space 'formulas' has a diabolical alter-ego named 'f'.
+ %{$self->{'safe'}->varglob('f')}=%{$self->{'formulas'}};
+ # 'constants' leads a peaceful hidden life of 'c'.
+ %{$self->{'safe'}->varglob('c')}=%{$self->{'constants'}};
+ # 'othersheets' hides as 'os', a disguise few can penetrate.
+ @{$self->{'safe'}->varglob('os')}=@{$self->{'othersheets'}};
+}
+
+##
+## Retrieve the error log from the safe space (used for debugging)
+##
+sub get_errorlog {
+ my $self = shift;
+ $self->{'errorlog'} = ${$self->{'safe'}->varglob('errorlog')};
+ return $self->{'errorlog'};
+}
+
+##
+## Clear the error log inside the safe space
+##
+sub clear_errorlog {
+ my $self = shift;
+ ${$self->{'safe'}->varglob('errorlog')} = '';
+ $self->{'errorlog'} = '';
+}
+
+
+########################################################
+#### Spreadsheet content retrieval/setting methods #####
+########################################################
+##
+## constants: either set or get the constants
+##
+##
+sub constants {
+ my $self=shift;
my ($constants) = @_;
- if (! ref($constants)) {
- my %tmp = @_;
- $constants = \%tmp;
+ if (defined($constants)) {
+ if (! ref($constants)) {
+ my %tmp = @_;
+ $constants = \%tmp;
+ }
+ $self->{'constants'} = $constants;
+ return;
+ } else {
+ return %{$self->{'constants'}};
+ }
+}
+
+##
+## formulas: either set or get the formulas
+##
+sub formulas {
+ my $self=shift;
+ my ($formulas) = @_;
+ if (defined($formulas)) {
+ if (! ref($formulas)) {
+ my %tmp = @_;
+ $formulas = \%tmp;
+ }
+ $self->{'formulas'} = $formulas;
+ $self->{'rows'} = [];
+ $self->{'template_cells'} = [];
+ return;
+ } else {
+ return %{$self->{'formulas'}};
}
- $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;
+##
+## formulas_keys: Return the keys to the formulas hash.
+##
+sub formulas_keys {
+ my $self = shift;
+ my @keys = keys(%{$self->{'formulas'}});
+ return keys(%{$self->{'formulas'}});
+}
+
+##
+## formula: Return the formula for a given cell in the spreadsheet
+## returns '' if the cell does not have a formula or does not exist
+##
+sub formula {
+ my $self = shift;
+ my $cell = shift;
+ if (defined($cell) && exists($self->{'formulas'}->{$cell})) {
+ return $self->{'formulas'}->{$cell};
+ }
+ return '';
+}
+
+##
+## logthis: write the input to lonnet.log
+##
+sub logthis {
+ my $self = shift;
+ my $message = shift;
+ &Apache::lonnet::logthis($self->{'type'}.':'.
+ $self->{'uname'}.':'.$self->{'udom'}.':'.
+ $message);
return;
}
-# ------------------------------------------------ Add or change formula values
-sub setrowlabels {
- my $sheet=shift;
- my ($rowlabel) = @_;
- if (! ref($rowlabel)) {
- my %tmp = @_;
- $rowlabel = \%tmp;
+##
+## dump_formulas_to_log: makes lonnet.log huge...
+##
+sub dump_formulas_to_log {
+ my $self =shift;
+ $self->logthis("Spreadsheet formulas");
+ $self->logthis("--------------------------------------------------------");
+ while (my ($cell, $formula) = each(%{$self->{'formulas'}})) {
+ $self->logthis(' '.$cell.' = '.$formula);
+ }
+ $self->logthis("--------------------------------------------------------");}
+
+##
+## value: returns the computed value of a particular cell
+##
+sub value {
+ my $self = shift;
+ my $cell = shift;
+ if (defined($cell) && exists($self->{'values'}->{$cell})) {
+ return $self->{'values'}->{$cell};
}
- $sheet->{'rowlabel'}=$rowlabel;
+ return '';
}
-# ------------------------------------------------------- Calculate spreadsheet
-sub calcsheet {
- my $sheet=shift;
- my $result = $sheet->{'safe'}->reval('&calc();');
- %{$sheet->{'values'}} = %{$sheet->{'safe'}->varglob('sheet_values')};
- return $result;
+##
+## dump_values_to_log: makes lonnet.log huge...
+##
+sub dump_values_to_log {
+ my $self =shift;
+ $self->logthis("Spreadsheet Values");
+ $self->logthis("--------------------------------------------------------");
+ while (my ($cell, $value) = each(%{$self->{'values'}})) {
+ $self->logthis(' '.$cell.' = '.$value);
+ }
+ $self->logthis("--------------------------------------------------------");}
+
+################################
+## Helper functions ##
+################################
+##
+## rebuild_stats: rebuilds the rows and template_cells arrays
+##
+sub rebuild_stats {
+ my $self = shift;
+ $self->{'rows'}=[];
+ $self->{'template_cells'}=[];
+ foreach my $cell($self->formulas_keys()) {
+ push(@{$self->{'rows'}},$1) if ($cell =~ /^A(\d+)/ && $1 != 0);
+ push(@{$self->{'template_cells'}},$1) if ($cell =~ /^template_(\w+)/);
+ }
+ return;
+}
+
+##
+## template_cells returns a list of the cells defined in the template row
+##
+sub template_cells {
+ my $self = shift;
+ $self->rebuild_stats() if (!@{$self->{'template_cells'}});
+ return @{$self->{'template_cells'}};
+}
+
+##
+## rows returns a list of the names of cells defined in the A column
+##
+sub rows {
+ my $self = shift;
+ $self->rebuild_stats() if (!@{$self->{'rows'}});
+ return @{$self->{'rows'}};
}
-# ---------------------------------------------------------------- Get formulas
-# Return a copy of the formulas
-sub getformulas {
- my $sheet = shift;
- return %{$sheet->{'safe'}->varglob('f')};
+##
+## Sigh....
+##
+sub setothersheets {
+ my $self = shift;
+ my @othersheets = @_;
+ $self->{'othersheets'} = \@othersheets;
}
-sub geterrorlog {
- my $sheet = shift;
- return ${$sheet->{'safe'}->varglob('errorlog')};
+##
+## rowlabels: get or set the rowlabels hash from the spreadsheet.
+##
+sub rowlabels {
+ my $self = shift;
+ my ($rowlabel) = @_;
+ if (defined($rowlabel)) {
+ if (! ref($rowlabel)) {
+ my %tmp = @_;
+ $rowlabel = \%tmp;
+ }
+ $self->{'rowlabel'}=$rowlabel;
+ return;
+ } else {
+ return %{$self->{'rowlabel'}} if (defined($self->{'rowlabels'}));
+ }
}
+##
+## gettitle: returns a title for the spreadsheet.
+##
sub gettitle {
- my $sheet = shift;
- if ($sheet->{'sheettype'} eq 'classcalc') {
- return $sheet->{'coursedesc'};
- } elsif ($sheet->{'sheettype'} eq 'studentcalc') {
- return 'Grades for '.$sheet->{'uname'}.'@'.$sheet->{'udom'};
- } elsif ($sheet->{'sheettype'} eq 'assesscalc') {
- if (($sheet->{'usymb'} eq '_feedback') ||
- ($sheet->{'usymb'} eq '_evaluation') ||
- ($sheet->{'usymb'} eq '_discussion') ||
- ($sheet->{'usymb'} eq '_tutoring')) {
- my $title = $sheet->{'usymb'};
+ my $self = shift;
+ if ($self->{'type'} eq 'classcalc') {
+ return $self->{'coursedesc'};
+ } elsif ($self->{'type'} eq 'studentcalc') {
+ return 'Grades for '.$self->{'uname'}.'@'.$self->{'udom'};
+ } elsif ($self->{'type'} eq 'assesscalc') {
+ if (($self->{'usymb'} eq '_feedback') ||
+ ($self->{'usymb'} eq '_evaluation') ||
+ ($self->{'usymb'} eq '_discussion') ||
+ ($self->{'usymb'} eq '_tutoring')) {
+ my $title = $self->{'usymb'};
$title =~ s/^_//;
$title = ucfirst($title);
return $title;
}
- return if (! defined($sheet->{'mapid'}) ||
- $sheet->{'mapid'} !~ /^\d+$/);
- my $mapid = $sheet->{'mapid'};
- return if (! defined($sheet->{'resid'}) ||
- $sheet->{'resid'} !~ /^\d+$/);
- my $resid = $sheet->{'resid'};
+ return if (! defined($self->{'mapid'}) ||
+ $self->{'mapid'} !~ /^\d+$/);
+ my $mapid = $self->{'mapid'};
+ return if (! defined($self->{'resid'}) ||
+ $self->{'resid'} !~ /^\d+$/);
+ my $resid = $self->{'resid'};
my %course_db;
- tie(%course_db,'GDBM_File',$sheet->{'coursefilename'}.'.db',
+ tie(%course_db,'GDBM_File',$self->{'coursefilename'}.'.db',
&GDBM_READER(),0640);
return if (! tied(%course_db));
my $key = 'title_'.$mapid.'.'.$resid;
@@ -1116,94 +1988,68 @@ sub gettitle {
if (exists($course_db{$key})) {
$title = $course_db{$key};
} else {
- $title = $sheet->{'usymb'};
+ $title = $self->{'usymb'};
}
untie (%course_db);
return $title;
}
}
-# ----------------------------------------------------- Get value of $f{'A'.$n}
-sub getfa {
- my $sheet = shift;
- my ($n)=@_;
- return $sheet->{'safe'}->reval('$f{"A'.$n.'"}');
-}
-
-# ------------------------------------------------------------- Export of A-row
+#
+# Export of A-row
+#
sub exportdata {
- my $sheet=shift;
+ my $self=shift;
my @exportarray=();
foreach ('A','B','C','D','E','F','G','H','I','J','K','L','M',
'N','O','P','Q','R','S','T','U','V','W','X','Y','Z') {
- if (exists($sheet->{'values'}->{$_.'0'})) {
- push(@exportarray,$sheet->{'values'}->{$_.'0'});
- } else {
- push(@exportarray,'');
- }
+ push(@exportarray,$self->value($_.'0'));
}
return @exportarray;
}
-
-
+##
+## update_student_sheet: experimental function
+##
sub update_student_sheet{
- my ($sheet,$r,$c) = @_;
+ my $self = shift;
+ my ($r,$c) = @_;
# Load in the studentcalc sheet
- &readsheet($sheet,'default_studentcalc');
+ $self->readsheet('default_studentcalc');
# Determine the structure (contained assessments, etc) of the sheet
- &updatesheet($sheet);
+ $self->updatesheet();
# Load in the cached sheets for this student
- &cachedssheets($sheet);
+ $self->cachedssheets();
# Load in the (possibly cached) data from the assessment sheets
- &loadstudent($sheet,$r,$c);
+ $self->loadstudent($r,$c);
# Compute the sheet
- &calcsheet($sheet);
+ $self->calcsheet();
}
-# ========================================================== End of Spreadsheet
-# =============================================================================
#
-# Procedures for spreadsheet output
+# sort_indicies: returns an ordered list of the rows of the spreadsheet
#
-# --------------------------------------------- Produce output row n from sheet
-
-sub get_row {
- my ($sheet,$n) = @_;
- my ($rowlabel,@rowdata);
- if ($n eq '-') {
- ($rowlabel,@rowdata) = &templaterow($sheet);
- } elsif ($sheet->{'sheettype'} eq 'studentcalc') {
- ($rowlabel,@rowdata) = &outrowassess($sheet,$n);
- } else {
- ($rowlabel,@rowdata) = &outrow($sheet,$n);
- }
- return ($rowlabel,@rowdata);
-}
-
-########################################################################
-########################################################################
sub sort_indicies {
- my $sheet = shift;
+ my $self = shift;
my @sortidx=();
#
- if ($sheet->{'sheettype'} eq 'classcalc') {
+ if ($self->{'type'} eq 'classcalc') {
my @sortby=(undef);
# Skip row 0
- for (my $row=1;$row<=$sheet->{'maxrow'};$row++) {
+ for (my $row=1;$row<=$self->{'maxrow'};$row++) {
my (undef,$sname,$sdom,$fullname,$section,$id) =
- split(':',$sheet->{'rowlabel'}->{$sheet->{'f'}->{'A'.$row}});
+ split(':',$self->{'rowlabel'}->{$self->formula('A'.$row)});
push (@sortby, lc($fullname));
push (@sortidx, $row);
}
@sortidx = sort { $sortby[$a] cmp $sortby[$b]; } @sortidx;
- } elsif ($sheet->{'sheettype'} eq 'studentcalc') {
+ } elsif ($self->{'type'} eq 'studentcalc') {
my @sortby1=(undef);
my @sortby2=(undef);
# Skip row 0
- for (my $row=1;$row<=$sheet->{'maxrow'};$row++) {
- my ($key,undef) = split(/__&&&\__/,$sheet->{'f'}->{'A'.$row});
- my $rowlabel = $sheet->{'rowlabel'}->{$key};
+ for (my $row=1;$row<=$self->{'maxrow'};$row++) {
+ my ($key,undef) = split(/__&&&\__/,$self->formula('A'.$row));
+ my $rowlabel = $self->{'rowlabel'}->{$key};
my (undef,$symb,$mapid,$resid,$title,$ufn) =
split(':',$rowlabel);
$ufn = &Apache::lonnet::unescape($ufn);
@@ -1222,8 +2068,9 @@ sub sort_indicies {
} else {
my @sortby=(undef);
# Skip row 0
- for (my $row=1;$row<=$sheet->{'maxrow'};$row++) {
- push (@sortby, $sheet->{'safe'}->reval('$f{"A'.$row.'"}'));
+ $self->sync_safe_space();
+ for (my $row=1;$row<=$self->{'maxrow'};$row++) {
+ push (@sortby, $self->{'safe'}->reval('$f{"A'.$row.'"}'));
push (@sortidx, $row);
}
@sortidx = sort { $sortby[$a] cmp $sortby[$b]; } @sortidx;
@@ -1259,7 +2106,7 @@ sub html_editable_cell {
} elsif ($value =~ /^\s*$/ ) {
$value = '<font color="'.$bgcolor.'">#</font>';
} else {
- $value = &HTML::Entities::encode($value);
+ $value = &HTML::Entities::encode($value) if ($value !~/ /);
}
# Make the formula safe for outputting
$formula =~ s/\'/\"/g;
@@ -1277,23 +2124,24 @@ sub html_editable_cell {
sub html_uneditable_cell {
my ($cell,$bgcolor) = @_;
my $value = (defined($cell) ? $cell->{'value'} : '');
- $value = &HTML::Entities::encode($value);
+ $value = &HTML::Entities::encode($value) if ($value !~/ /);
return ' '.$value.' ';
}
sub outsheet_html {
- my ($sheet,$r) = @_;
+ my $self = shift;
+ my ($r) = @_;
my ($num_uneditable,$realm,$row_type);
my $requester_is_student = ($ENV{'request.role'} =~ /^st\./);
- if ($sheet->{'sheettype'} eq 'assesscalc') {
+ if ($self->{'type'} eq 'assesscalc') {
$num_uneditable = 1;
$realm = 'Assessment';
$row_type = 'Item';
- } elsif ($sheet->{'sheettype'} eq 'studentcalc') {
+ } elsif ($self->{'type'} eq 'studentcalc') {
$num_uneditable = 26;
$realm = 'User';
$row_type = 'Assessment';
- } elsif ($sheet->{'sheettype'} eq 'classcalc') {
+ } elsif ($self->{'type'} eq 'classcalc') {
$num_uneditable = 26;
$realm = 'Course';
$row_type = 'Student';
@@ -1307,7 +2155,7 @@ sub outsheet_html {
my $tabledata =<<"END";
<table border="2">
<tr>
- <th colspan="1" rowspan="2"><font size="+2">$realm</font></th>
+ <th colspan="2" rowspan="2"><font size="+2">$realm</font></th>
<td bgcolor="#FFDDDD" colspan="$num_uneditable">
<b><font size="+1">Import</font></b></td>
<td colspan="$num_left">
@@ -1332,8 +2180,8 @@ END
my ($num_cols_output,$row_html,$rowlabel,@rowdata);
if (! $requester_is_student) {
- ($rowlabel,@rowdata) = &get_row($sheet,'-');
- $row_html = '<tr><td>'.&format_html_rowlabel($sheet,$rowlabel).'</td>';
+ ($rowlabel,@rowdata) = $self->get_row('-');
+ $row_html = '<tr><td>'.$self->format_html_rowlabel($rowlabel).'</td>';
$num_cols_output = 0;
foreach my $cell (@rowdata) {
if ($requester_is_student ||
@@ -1352,8 +2200,8 @@ END
####################################
# Print out summary/export row
####################################
- ($rowlabel,@rowdata) = &get_row($sheet,'0');
- $row_html = '<tr><td>'.&format_html_rowlabel($sheet,'Summary').'</td>';
+ ($rowlabel,@rowdata) = $self->get_row('0');
+ $row_html = '<tr><td>'.$self->format_html_rowlabel($rowlabel).'</td>';
$num_cols_output = 0;
foreach my $cell (@rowdata) {
if ($num_cols_output++ < 26 && ! $requester_is_student) {
@@ -1371,18 +2219,18 @@ END
####################################
# Prepare to output rows
####################################
- my @Rows = &sort_indicies($sheet);
+ my @Rows = $self->sort_indicies();
#
# Loop through the rows and output them one at a time
my $rows_output=0;
foreach my $rownum (@Rows) {
- my ($rowlabel,@rowdata) = &get_row($sheet,$rownum);
+ my ($rowlabel,@rowdata) = $self->get_row($rownum);
next if ($rowlabel =~ /^\s*$/);
- next if (($sheet->{'sheettype'} eq 'assesscalc') &&
+ next if (($self->{'type'} eq 'assesscalc') &&
(! $ENV{'form.showall'}) &&
($rowdata[0]->{'value'} =~ /^\s*$/));
if (! $ENV{'form.showall'} &&
- $sheet->{'sheettype'} =~ /^(studentcalc|classcalc)$/) {
+ $self->{'type'} =~ /^(studentcalc|classcalc)$/) {
my $row_is_empty = 1;
foreach my $cell (@rowdata) {
if ($cell->{'value'} !~ /^\s*$/) {
@@ -1398,20 +2246,19 @@ END
my $row_html ="\n".'<tr><td><b><font size=+1>'.$rownum.
'</font></b></td>';
#
- if ($sheet->{'sheettype'} eq 'classcalc') {
- $row_html.='<td>'.&format_html_rowlabel($sheet,$rowlabel).'</td>';
+ if ($self->{'type'} eq 'classcalc') {
+ $row_html.='<td>'.$self->format_html_rowlabel($rowlabel).'</td>';
# Output links for each student?
# Nope, that is already done for us in format_html_rowlabel
# (for now)
- } elsif ($sheet->{'sheettype'} eq 'studentcalc') {
+ } elsif ($self->{'type'} eq 'studentcalc') {
my $ufn = (split(/:/,$rowlabel))[5];
- $row_html.='<td>'.&format_html_rowlabel($sheet,$rowlabel);
+ $row_html.='<td>'.$self->format_html_rowlabel($rowlabel);
$row_html.= '<br>'.
'<select name="sel_'.$rownum.'" '.
'onChange="changesheet('.$rownum.')">'.
'<option name="default">Default</option>';
-
- foreach (@{$sheet->{'othersheets'}}) {
+ foreach (@{$self->{'othersheets'}}) {
$row_html.='<option name="'.$_.'"';
if ($ufn eq $_) {
$row_html.=' selected';
@@ -1419,8 +2266,8 @@ END
$row_html.='>'.$_.'</option>';
}
$row_html.='</select></td>';
- } elsif ($sheet->{'sheettype'} eq 'assesscalc') {
- $row_html.='<td>'.&format_html_rowlabel($sheet,$rowlabel).'</td>';
+ } elsif ($self->{'type'} eq 'assesscalc') {
+ $row_html.='<td>'.$self->format_html_rowlabel($rowlabel).'</td>';
}
#
my $shown_cells = 0;
@@ -1468,7 +2315,7 @@ END
# Debugging code (be sure to uncomment errorlog code in safe space):
#
# $r->print("\n<pre>");
- # $r->print(&geterrorlog($sheet));
+ # $r->print(&geterrorlog($self));
# $r->print("\n</pre>");
return 1;
}
@@ -1477,20 +2324,21 @@ END
## csv output routines ##
############################################
sub outsheet_csv {
- my ($sheet,$r) = @_;
+ my $self = shift;
+ my ($r) = @_;
my $csvdata = '';
my @Values;
####################################
# Prepare to output rows
####################################
- my @Rows = &sort_indicies($sheet);
+ my @Rows = $self->sort_indicies();
#
# Loop through the rows and output them one at a time
my $rows_output=0;
foreach my $rownum (@Rows) {
- my ($rowlabel,@rowdata) = &get_row($sheet,$rownum);
+ my ($rowlabel,@rowdata) = $self->get_row($rownum);
next if ($rowlabel =~ /^\s*$/);
- push (@Values,&format_csv_rowlabel($sheet,$rowlabel));
+ push (@Values,$self->format_csv_rowlabel($rowlabel));
foreach my $cell (@rowdata) {
push (@Values,'"'.$cell->{'value'}.'"');
}
@@ -1524,17 +2372,18 @@ sub outsheet_csv {
## Excel output routines ##
############################################
sub outsheet_recursive_excel {
- my ($sheet,$r) = @_;
+ my $self = shift;
+ my ($r) = @_;
my $c = $r->connection;
- return undef if ($sheet->{'sheettype'} ne 'classcalc');
- my ($workbook,$filename) = &create_excel_spreadsheet($sheet,$r);
+ return undef if ($self->{'type'} ne 'classcalc');
+ my ($workbook,$filename) = $self->create_excel_spreadsheet($r);
return undef if (! defined($workbook));
#
# Create main worksheet
my $main_worksheet = $workbook->addworksheet('main');
#
# Figure out who the students are
- my %f=&getformulas($sheet);
+ my %f=$self->formulas();
my $count = 0;
$r->print(<<END);
<p>
@@ -1551,18 +2400,19 @@ A link to the spreadsheet will be availa
END
$r->rflush();
my $starttime = time;
- foreach my $rownum (&sort_indicies($sheet)) {
+ foreach my $rownum ($self->sort_indicies()) {
$count++;
my ($sname,$sdom) = split(':',$f{'A'.$rownum});
my $student_excel_worksheet=$workbook->addworksheet($sname.'@'.$sdom);
# Create a new spreadsheet
- my $studentsheet = &makenewsheet($sname,$sdom,'studentcalc',undef);
+ my $studentsheet = &Apache::lonspreadsheet::Spreadsheet->new
+ ($sname,$sdom,'studentcalc',undef);
# Read in the spreadsheet definition
- &update_student_sheet($studentsheet,$r,$c);
+ $studentsheet->update_student_sheet($r,$c);
# Stuff the sheet into excel
- &export_sheet_as_excel($studentsheet,$student_excel_worksheet);
- my $totaltime = int((time - $starttime) / $count * $sheet->{'maxrow'});
- my $timeleft = int((time - $starttime) / $count * ($sheet->{'maxrow'} - $count));
+ $studentsheet->export_sheet_as_excel($student_excel_worksheet);
+ my $totaltime = int((time - $starttime) / $count * $self->{'maxrow'});
+ my $timeleft = int((time - $starttime) / $count * ($self->{'maxrow'} - $count));
if ($count % 5 == 0) {
$r->print($count.' students completed.'.
' Time remaining: '.$timeleft.' sec. '.
@@ -1579,7 +2429,7 @@ END
$r->rflush();
#
# &export_sheet_as_excel fills $worksheet with the data from $sheet
- &export_sheet_as_excel($sheet,$main_worksheet);
+ $self->export_sheet_as_excel($main_worksheet);
#
$workbook->close();
# Okay, the spreadsheet is taken care of, so give the user a link.
@@ -1593,21 +2443,22 @@ END
}
sub outsheet_excel {
- my ($sheet,$r) = @_;
- my ($workbook,$filename) = &create_excel_spreadsheet($sheet,$r);
+ my $self = shift;
+ my ($r) = @_;
+ my ($workbook,$filename) = $self->create_excel_spreadsheet($r);
return undef if (! defined($workbook));
my $sheetname;
- if ($sheet->{'sheettype'} eq 'classcalc') {
+ if ($self->{'type'} eq 'classcalc') {
$sheetname = 'Main';
- } elsif ($sheet->{'sheettype'} eq 'studentcalc') {
- $sheetname = $sheet->{'uname'}.'@'.$sheet->{'udom'};
- } elsif ($sheet->{'sheettype'} eq 'assesscalc') {
- $sheetname = $sheet->{'uname'}.'@'.$sheet->{'udom'}.' assessment';
+ } elsif ($self->{'type'} eq 'studentcalc') {
+ $sheetname = $self->{'uname'}.'@'.$self->{'udom'};
+ } elsif ($self->{'type'} eq 'assesscalc') {
+ $sheetname = $self->{'uname'}.'@'.$self->{'udom'}.' assessment';
}
my $worksheet = $workbook->addworksheet($sheetname);
#
# &export_sheet_as_excel fills $worksheet with the data from $sheet
- &export_sheet_as_excel($sheet,$worksheet);
+ $self->export_sheet_as_excel($worksheet);
#
$workbook->close();
# Okay, the spreadsheet is taken care of, so give the user a link.
@@ -1617,7 +2468,8 @@ sub outsheet_excel {
}
sub create_excel_spreadsheet {
- my ($sheet,$r) = @_;
+ my $self = shift;
+ my ($r) = @_;
my $filename = '/prtspool/'.
$ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
time.'_'.rand(1000000000).'.xls';
@@ -1630,7 +2482,7 @@ sub create_excel_spreadsheet {
return undef;
}
#
- # The spreadsheet stores temporary data in files, then put them
+ # The excel spreadsheet stores temporary data in files, then put them
# together. If needed we should be able to disable this (memory only).
# The temporary directory must be specified before calling 'addworksheet'.
# File::Temp is used to determine the temporary directory.
@@ -1641,7 +2493,7 @@ sub create_excel_spreadsheet {
}
sub export_sheet_as_excel {
- my $sheet = shift;
+ my $self = shift;
my $worksheet = shift;
#
my $rows_output = 0;
@@ -1649,8 +2501,8 @@ sub export_sheet_as_excel {
####################################
# Write an identifying row #
####################################
- my @Headerinfo = ($sheet->{'coursedesc'});
- my $title = &gettitle($sheet);
+ my @Headerinfo = ($self->{'coursedesc'});
+ my $title = $self->gettitle();
$cols_output = 0;
if (defined($title)) {
$worksheet->write($rows_output++,$cols_output++,$title);
@@ -1658,8 +2510,8 @@ sub export_sheet_as_excel {
####################################
# Write the summary/export row #
####################################
- my ($rowlabel,@rowdata) = &get_row($sheet,'0');
- my $label = &format_excel_rowlabel($sheet,$rowlabel);
+ my ($rowlabel,@rowdata) = &get_row($self,'0');
+ my $label = &format_excel_rowlabel($self,$rowlabel);
$cols_output = 0;
$worksheet->write($rows_output,$cols_output++,$label);
foreach my $cell (@rowdata) {
@@ -1669,16 +2521,16 @@ sub export_sheet_as_excel {
####################################
# Prepare to output rows
####################################
- my @Rows = &sort_indicies($sheet);
+ my @Rows = &sort_indicies($self);
#
# Loop through the rows and output them one at a time
foreach my $rownum (@Rows) {
- my ($rowlabel,@rowdata) = &get_row($sheet,$rownum);
+ my ($rowlabel,@rowdata) = &get_row($self,$rownum);
next if ($rowlabel =~ /^[\s]*$/);
$cols_output = 0;
- my $label = &format_excel_rowlabel($sheet,$rowlabel);
+ my $label = &format_excel_rowlabel($self,$rowlabel);
if ( ! $ENV{'form.showall'} &&
- $sheet->{'sheettype'} =~ /^(studentcalc|classcalc)$/) {
+ $self->{'type'} =~ /^(studentcalc|classcalc)$/) {
my $row_is_empty = 1;
foreach my $cell (@rowdata) {
if ($cell->{'value'} !~ /^\s*$/) {
@@ -1704,7 +2556,8 @@ sub export_sheet_as_excel {
## XML output routines ##
############################################
sub outsheet_xml {
- my ($sheet,$r) = @_;
+ my $self = shift;
+ my ($r) = @_;
## Someday XML
## Will be rendered for the user
## But not on this day
@@ -1714,32 +2567,35 @@ sub outsheet_xml {
## Outsheet - calls other outsheet_* functions
##
sub outsheet {
- my ($sheet,$r)=@_;
+ my $self = shift;
+ my ($r)=@_;
if (! exists($ENV{'form.output'})) {
$ENV{'form.output'} = 'HTML';
}
if (lc($ENV{'form.output'}) eq 'csv') {
- &outsheet_csv($sheet,$r);
+ $self->outsheet_csv($r);
} elsif (lc($ENV{'form.output'}) eq 'excel') {
- &outsheet_excel($sheet,$r);
+ $self->outsheet_excel($r);
} elsif (lc($ENV{'form.output'}) eq 'recursive excel') {
- &outsheet_recursive_excel($sheet,$r);
+ $self->outsheet_recursive_excel($r);
# } elsif (lc($ENV{'form.output'}) eq 'xml' ) {
-# &outsheet_xml($sheet,$r);
+# $self->outsheet_xml($r);
} else {
- &outsheet_html($sheet,$r);
+ $self->outsheet_html($r);
}
}
-########################################################################
-########################################################################
+#
+# othersheets: Returns the list of other spreadsheets available
+#
sub othersheets {
- my ($sheet,$stype)=@_;
- $stype = $sheet->{'sheettype'} if (! defined($stype));
- #
- my $cnum = $sheet->{'cnum'};
- my $cdom = $sheet->{'cdom'};
- my $chome = $sheet->{'chome'};
+ my $self = shift;
+ my ($stype)=@_;
+ $stype = $self->{'type'} if (! defined($stype));
+ #
+ my $cnum = $self->{'cnum'};
+ my $cdom = $self->{'cdom'};
+ my $chome = $self->{'chome'};
#
my @alternatives=();
my %results=&Apache::lonnet::dump($stype.'_spreadsheets',$cdom,$cnum);
@@ -1751,7 +2607,7 @@ sub othersheets {
}
#
-# -------------------------------------- Parse a spreadsheet
+# Parse a spreadsheet
#
sub parse_sheet {
# $sheetxml is a scalar reference or a scalar
@@ -1778,16 +2634,14 @@ sub parse_sheet {
return \%f;
}
-#
-# -------------------------------------- Read spreadsheet formulas for a course
-#
sub readsheet {
- my ($sheet,$fn)=@_;
+ my $self = shift;
+ my ($fn)=@_;
#
- my $stype = $sheet->{'sheettype'};
- my $cnum = $sheet->{'cnum'};
- my $cdom = $sheet->{'cdom'};
- my $chome = $sheet->{'chome'};
+ my $stype = $self->{'type'};
+ my $cnum = $self->{'cnum'};
+ my $cdom = $self->{'cdom'};
+ my $chome = $self->{'chome'};
#
if (! defined($fn)) {
# There is no filename. Look for defaults in course and global, cache
@@ -1808,13 +2662,12 @@ sub readsheet {
}
}
# $fn now has a value
- $sheet->{'filename'} = $fn;
+ $self->{'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);
+ $self->formulas(\%tmp);
} else {
# Not cached, need to read
my %f=();
@@ -1839,73 +2692,47 @@ sub readsheet {
}
%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) {
+ if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
foreach (keys(%tmphash)) {
$f{$_}=$tmphash{$_};
}
+ } else {
+ # Unable to grab the specified spreadsheet,
+ # so we get the default ones instead.
+ $fn = 'default_'.$stype;
+ $self->{'filename'} = $fn;
+ my $dfn = $fn;
+ $dfn =~ s/\_/\./g;
+ my $sheetxml;
+ if (my $fh=Apache::File->new($includedir.'/'.$dfn)) {
+ $sheetxml = join('',<$fh>);
+ } else {
+ $sheetxml='<field row="0" col="A">'.
+ '"Unable to load spreadsheet"</field>';
+ }
+ %f=%{&parse_sheet(\$sheetxml)};
}
}
# Cache and set
$spreadsheets{$cnum.'_'.$cdom.'_'.$stype.'_'.$fn}=join('___;___',%f);
- $sheet->{'f'}=\%f;
- &setformulas($sheet);
- }
-}
-
-# -------------------------------------------------------- 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->{'mapid'} = $ENV{'form.mapid'};
- $sheet->{'resid'} = $ENV{'form.resid'};
- $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->{'coursedesc'} = $ENV{'course.'.$ENV{'request.course.id'}.
- '.description'};
- $sheet->{'uhome'} = &Apache::lonnet::homeserver($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/) {
- $initstring.= qq{\$$_="$sheet->{$_}";};
+ $self->formulas(\%f);
}
- $sheet->{'safe'}->reval($initstring);
- return $sheet;
}
# ------------------------------------------------------------ Save spreadsheet
sub writesheet {
- my ($sheet,$makedef)=@_;
- my $cid=$sheet->{'cid'};
+ my $self = shift;
+ my ($makedef)=@_;
+ my $cid=$self->{'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 = $sheet->{'filename'};
+ my %f=$self->formulas();
+ my $stype= $self->{'type'};
+ my $cnum = $self->{'cnum'};
+ my $cdom = $self->{'cdom'};
+ my $chome= $self->{'chome'};
+ my $fn = $self->{'filename'};
# Cache new sheet
$spreadsheets{$cnum.'_'.$cdom.'_'.$stype.'_'.$fn}=join('___;___',%f);
# Write sheet
@@ -1923,8 +2750,8 @@ sub writesheet {
{'spreadsheet_default_'.$stype => $fn },
$cdom,$cnum);
if ($reply eq 'ok' &&
- ($sheet->{'sheettype'} eq 'studentcalc' ||
- $sheet->{'sheettype'} eq 'assesscalc')) {
+ ($self->{'type'} eq 'studentcalc' ||
+ $self->{'type'} eq 'assesscalc')) {
# Expire the spreadsheets of the other students.
&Apache::lonnet::expirespread('','','studentcalc','');
}
@@ -1943,27 +2770,29 @@ sub writesheet {
# "Modified workcopy" - interactive only
#
sub tmpwrite {
- my ($sheet) = @_;
+ my $self = shift;
my $fn=$ENV{'user.name'}.'_'.
- $ENV{'user.domain'}.'_spreadsheet_'.$sheet->{'usymb'}.'_'.
- $sheet->{'filename'};
+ $ENV{'user.domain'}.'_spreadsheet_'.$self->{'usymb'}.'_'.
+ $self->{'filename'};
$fn=~s/\W/\_/g;
$fn=$tmpdir.$fn.'.tmp';
my $fh;
if ($fh=Apache::File->new('>'.$fn)) {
- my %f = &getformulas($sheet);
+ my %f = $self->formulas();
while( my ($cell,$formula) = each(%f)) {
print $fh &Apache::lonnet::escape($cell)."=".&Apache::lonnet::escape($formula)."\n";
}
}
}
+
# ---------------------------------------------------------- Read the temp copy
sub tmpread {
- my ($sheet,$nfield,$nform)=@_;
+ my $self = shift;
+ my ($nfield,$nform)=@_;
my $fn=$ENV{'user.name'}.'_'.
- $ENV{'user.domain'}.'_spreadsheet_'.$sheet->{'usymb'}.'_'.
- $sheet->{'filename'};
+ $ENV{'user.domain'}.'_spreadsheet_'.$self->{'usymb'}.'_'.
+ $self->{'filename'};
$fn=~s/\W/\_/g;
$fn=$tmpdir.$fn.'.tmp';
my $fh;
@@ -1978,116 +2807,22 @@ sub tmpread {
$fo{$cell} = $formula;
}
}
-# chomp($value);
-# $fo{$name}=$value;
-# if ($name=~/^A(\d+)$/) {
-# if ($1>$countrows) {
-# $countrows=$1;
-# }
-# }
-# }
-# }
if ($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);
-}
-
-##################################################
-##################################################
-
-=pod
-
-=item &parmval()
-
-Determine the value of a parameter.
-
-Inputs: $what, the parameter needed, $sheet, the safe space
-
-Returns: The value of a parameter, or '' if none.
-
-This function cascades through the possible levels searching for a value for
-a parameter. The levels are checked in the following order:
-user, course (at section level and course level), map, and lonnet::metadata.
-This function uses %parmhash, which must be tied prior to calling it.
-This function also requires %courseopt and %useropt to be initialized for
-this user and course.
-
-=cut
-
-##################################################
-##################################################
-sub parmval {
- my ($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');
+ $self->formulas(\%fo);
}
-
##################################################################
## Row label formatting routines ##
##################################################################
sub format_html_rowlabel {
- my $sheet = shift;
+ my $self = shift;
my $rowlabel = shift;
return '' if ($rowlabel eq '');
my ($type,$labeldata) = split(':',$rowlabel,2);
@@ -2099,7 +2834,7 @@ sub format_html_rowlabel {
$symb = &Apache::lonnet::unescape($symb);
$title = &Apache::lonnet::unescape($title);
$result = '<a href="/adm/assesscalc?usymb='.$symb.
- '&uname='.$sheet->{'uname'}.'&udom='.$sheet->{'udom'}.
+ '&uname='.$self->{'uname'}.'&udom='.$self->{'udom'}.
'&ufn='.$ufn.
'&mapid='.$mapid.'&resid='.$resid.'">'.$title.'</a>';
} elsif ($type eq 'student') {
@@ -2119,7 +2854,7 @@ sub format_html_rowlabel {
}
sub format_csv_rowlabel {
- my $sheet = shift;
+ my $self = shift;
my $rowlabel = shift;
return '' if ($rowlabel eq '');
my ($type,$labeldata) = split(':',$rowlabel,2);
@@ -2143,7 +2878,7 @@ sub format_csv_rowlabel {
}
sub format_excel_rowlabel {
- my $sheet = shift;
+ my $self = shift;
my $rowlabel = shift;
return '' if ($rowlabel eq '');
my ($type,$labeldata) = split(':',$rowlabel,2);
@@ -2171,11 +2906,11 @@ sub format_excel_rowlabel {
# ---------------------------------------------- Update rows for course listing
sub updateclasssheet {
- my ($sheet) = @_;
- my $cnum =$sheet->{'cnum'};
- my $cdom =$sheet->{'cdom'};
- my $cid =$sheet->{'cid'};
- my $chome =$sheet->{'chome'};
+ my $self = shift;
+ my $cnum =$self->{'cnum'};
+ my $cdom =$self->{'cdom'};
+ my $cid =$self->{'cid'};
+ my $chome =$self->{'chome'};
#
%Section = ();
#
@@ -2199,62 +2934,56 @@ sub updateclasssheet {
#
# Find discrepancies between the course row table and this
#
- my %f=&getformulas($sheet);
+ my %f=$self->formulas();
my $changed=0;
#
- $sheet->{'maxrow'}=0;
+ $self->{'maxrow'}=0;
my %existing=();
#
# Now obsolete rows
- foreach (keys(%f)) {
- if ($_=~/^A(\d+)/) {
- if ($1 > $sheet->{'maxrow'}) {
- $sheet->{'maxrow'}= $1;
- }
- $existing{$f{$_}}=1;
- unless ((defined($currentlist{$f{$_}})) || (!$1) ||
- ($f{$_}=~/^(~~~|---)/)) {
- $f{$_}='!!! Obsolete';
- $changed=1;
- }
+ foreach my $rownum ($self->rows()) {
+ my $cell = 'A'.$rownum;
+ if ($rownum > $self->{'maxrow'}) {
+ $self->{'maxrow'}= $rownum;
+ }
+ $existing{$f{$cell}}=1;
+ if (! defined($currentlist{$f{$cell}}) && ($f{$cell}=~/^(~~~|---)/)) {
+ $f{$cell}='!!! Obsolete';
+ $changed=1;
}
}
#
# New and unknown keys
foreach my $student (sort keys(%currentlist)) {
- unless ($existing{$student}) {
- $changed=1;
- $sheet->{'maxrow'}++;
- $f{'A'.$sheet->{'maxrow'}}=$student;
- }
- }
- if ($changed) {
- $sheet->{'f'} = \%f;
- &setformulas($sheet,%f);
+ next if ($existing{$student});
+ $changed=1;
+ $self->{'maxrow'}++;
+ $f{'A'.$self->{'maxrow'}}=$student;
}
+ $self->formulas(\%f) if ($changed);
#
- &setrowlabels($sheet,\%currentlist);
+ $self->rowlabels(\%currentlist);
}
# ----------------------------------- Update rows for student and assess sheets
sub get_student_rowlabels {
- my ($sheet) = @_;
+ my $self = shift;
#
my %course_db;
#
- my $stype = $sheet->{'sheettype'};
- my $uname = $sheet->{'uname'};
- my $udom = $sheet->{'udom'};
+ my $stype = $self->{'type'};
+ my $uname = $self->{'uname'};
+ my $udom = $self->{'udom'};
#
- $sheet->{'rowlabel'} = {};
+ $self->{'rowlabel'} = {};
#
- my $identifier =$sheet->{'coursefilename'}.'_'.$stype;
+ my $identifier =$self->{'coursefilename'}.'_'.$stype;
if ($rowlabel_cache{$identifier}) {
- %{$sheet->{'rowlabel'}}=split(/___;___/,$rowlabel_cache{$identifier});
+ %{$self->{'rowlabel'}}=split(/___;___/,$rowlabel_cache{$identifier});
} else {
# Get the data and store it in the cache
# Tie hash
- tie(%course_db,'GDBM_File',$sheet->{'coursefilename'}.'.db',
+ tie(%course_db,'GDBM_File',$self->{'coursefilename'}.'.db',
&GDBM_READER(),0640);
if (! tied(%course_db)) {
return 'Could not access course data';
@@ -2283,31 +3012,31 @@ sub get_student_rowlabels {
}
untie(%course_db);
# Store away the data
- $sheet->{'rowlabel'} = \%assesslist;
- $rowlabel_cache{$identifier}=join('___;___',%{$sheet->{'rowlabel'}});
+ $self->{'rowlabel'} = \%assesslist;
+ $rowlabel_cache{$identifier}=join('___;___',%{$self->{'rowlabel'}});
}
-
+
}
sub get_assess_rowlabels {
- my ($sheet) = @_;
+ my $self = shift;
#
my %course_db;
#
- my $stype = $sheet->{'sheettype'};
- my $uname = $sheet->{'uname'};
- my $udom = $sheet->{'udom'};
- my $usymb = $sheet->{'usymb'};
+ my $stype = $self->{'type'};
+ my $uname = $self->{'uname'};
+ my $udom = $self->{'udom'};
+ my $usymb = $self->{'usymb'};
#
- $sheet->{'rowlabel'} = {};
- my $identifier =$sheet->{'coursefilename'}.'_'.$stype.'_'.$usymb;
+ $self->rowlabels({});
+ my $identifier =$self->{'coursefilename'}.'_'.$stype.'_'.$usymb;
#
if ($rowlabel_cache{$identifier}) {
- %{$sheet->{'rowlabel'}}=split(/___;___/,$rowlabel_cache{$identifier});
+ $self->rowlabels(split(/___;___/,$rowlabel_cache{$identifier}));
} else {
# Get the data and store it in the cache
# Tie hash
- tie(%course_db,'GDBM_File',$sheet->{'coursefilename'}.'.db',
+ tie(%course_db,'GDBM_File',$self->{'coursefilename'}.'.db',
&GDBM_READER(),0640);
if (! tied(%course_db)) {
return 'Could not access course data';
@@ -2346,83 +3075,80 @@ sub get_assess_rowlabels {
}
untie(%course_db);
# Store away the results
- $sheet->{'rowlabel'} = \%parameter_labels;
- $rowlabel_cache{$identifier}=join('___;___',%{$sheet->{'rowlabel'}});
+ $self->rowlabels(\%parameter_labels);
+ $rowlabel_cache{$identifier}=join('___;___',$self->rowlabels());
}
}
sub updatestudentassesssheet {
- my $sheet = shift;
- if ($sheet->{'sheettype'} eq 'studentcalc') {
- &get_student_rowlabels($sheet);
+ my $self = shift;
+ if ($self->{'type'} eq 'studentcalc') {
+ $self->get_student_rowlabels();
} else {
- &get_assess_rowlabels($sheet);
+ $self->get_assess_rowlabels();
}
# Determine if any of the information has changed
- my %f=&getformulas($sheet);
+ my %f=$self->formulas();
my $changed=0;
-
- $sheet->{'maxrow'} = 0;
+ $self->{'maxrow'} = 0;
my %existing=();
# Now obsolete rows
- foreach my $cell (keys(%f)) {
+ foreach my $rownum ($self->rows()) {
+ my $cell = 'A'.$rownum;
my $formula = $f{$cell};
- next if ($cell !~ /^A(\d+)/);
- $sheet->{'maxrow'} = $1 if ($1 > $sheet->{'maxrow'});
+ $self->{'maxrow'} = $rownum if ($rownum > $self->{'maxrow'});
my ($usy,$ufn)=split(/__&&&\__/,$formula);
$existing{$usy}=1;
- unless ((exists($sheet->{'rowlabel'}->{$usy}) &&
- (defined($sheet->{'rowlabel'}->{$usy})) || (!$1) ||
- ($formula =~ /^(~~~|---)/) )) {
- $f{$_}='!!! Obsolete';
+ if ( ! exists($self->{'rowlabel'}->{$usy}) ||
+ ! defined($self->{'rowlabel'}->{$usy}) ||
+ ($formula =~ /^(~~~|---)/) ||
+ ($formula =~ /^\s*$/)) {
+ $f{$cell}='!!! Obsolete';
$changed=1;
}
}
# New and unknown keys
- foreach (keys(%{$sheet->{'rowlabel'}})) {
+ my %keys_hates_me = $self->rowlabels();
+ foreach (keys(%keys_hates_me)) {
unless ($existing{$_}) {
$changed=1;
- $sheet->{'maxrow'}++;
- $f{'A'.$sheet->{'maxrow'}}=$_;
+ $self->{'maxrow'}++;
+ $f{'A'.$self->{'maxrow'}}=$_;
}
}
- if ($changed) {
- $sheet->{'f'} = \%f;
- &setformulas($sheet);
- }
+ $self->formulas(\%f) if ($changed);
+# $self->dump_formulas_to_log();
}
# ------------------------------------------------ Load data for one assessment
-
sub loadstudent{
- my ($sheet,$r,$c)=@_;
- my %constants=();
- my %formulas=&getformulas($sheet);
- $cachedassess=$sheet->{'uname'}.':'.$sheet->{'udom'};
+ my $self = shift;
+ my ($r,$c)=@_;
+ my %constants = ();
+ my %formulas = $self->formulas();
+ $cachedassess = $self->{'uname'}.':'.$self->{'udom'};
# Get ALL the student preformance data
- my @tmp = &Apache::lonnet::dump($sheet->{'cid'},
- $sheet->{'udom'},
- $sheet->{'uname'},
- undef);
- if ($tmp[0] !~ /^error:/) {
+ my @tmp = &Apache::lonnet::currentdump($self->{'cid'},
+ $self->{'udom'},
+ $self->{'uname'});
+ if ((scalar @tmp > 0) && ($tmp[0] !~ /^error:/)) {
%cachedstores = @tmp;
}
undef @tmp;
#
my @assessdata=();
- foreach my $cell (keys(%formulas)) {
+ foreach my $row ($self->rows()) {
+ my $cell = 'A'.$row;
my $value = $formulas{$cell};
if(defined($c) && ($c->aborted())) {
last;
}
- next if ($cell !~ /^A(\d+)/);
- my $row=$1;
- next if (($value =~ /^[!~-]/) || ($row==0));
+ next if ($value =~ /^[!~-]/);
my ($usy,$ufn)=split(/__&&&\__/,$value);
- @assessdata=&exportsheet($sheet,$sheet->{'uname'},
- $sheet->{'udom'},
- 'assesscalc',$usy,$ufn,$r);
+ @assessdata=$self->exportsheet($self->{'uname'},
+ $self->{'udom'},
+ 'assesscalc',$usy,$ufn,$r);
my $index=0;
foreach my $col ('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') {
@@ -2439,24 +3165,22 @@ sub loadstudent{
}
$cachedassess='';
undef %cachedstores;
- $sheet->{'f'} = \%formulas;
- &setformulas($sheet);
- &setconstants($sheet,\%constants);
+ $self->formulas(\%formulas);
+ $self->constants(\%constants);
}
# --------------------------------------------------- Load data for one student
#
sub loadcourse {
- my ($sheet,$r,$c)=@_;
+ my $self = shift;
+ my ($r,$c)=@_;
#
my %constants=();
- my %formulas=&getformulas($sheet);
+ my %formulas=$self->formulas();
#
my $total=0;
- foreach (keys(%formulas)) {
- if ($_=~/^A(\d+)/) {
- unless ($formulas{$_}=~/^[\!\~\-]/) { $total++; }
- }
+ foreach ($self->rows()) {
+ $total++ if ($formulas{'A'.$_} !~ /^[!~-]/);
}
my $now=0;
my $since=time;
@@ -2466,27 +3190,27 @@ sub loadcourse {
popwin.document.writeln('<html><body bgcolor="#FFFFFF">'+
'<h3>Spreadsheet Calculation Progress</h3>'+
'<form name=popremain>'+
- '<input type=text size=35 name=remaining value=Starting></form>'+
+ '<input type=text size=45 name=remaining value=Starting></form>'+
'</body></html>');
popwin.document.close();
</script>
ENDPOP
$r->rflush();
- foreach (keys(%formulas)) {
+ foreach my $row ($self->rows()) {
if(defined($c) && ($c->aborted())) {
last;
}
- next if ($_!~/^A(\d+)/);
- my $row=$1;
- next if (($formulas{$_}=~/^[\!\~\-]/) || ($row==0));
- my ($sname,$sdom) = split(':',$formulas{$_});
- my @studentdata=&exportsheet($sheet,$sname,$sdom,'studentcalc',
+ my $cell = 'A'.$row;
+ next if ($formulas{$cell}=~/^[\!\~\-]/);
+ my ($sname,$sdom) = split(':',$formulas{$cell});
+ my $started = time;
+ my @studentdata=$self->exportsheet($sname,$sdom,'studentcalc',
undef,undef,$r);
undef %userrdatas;
$now++;
$r->print('<script>popwin.document.popremain.remaining.value="'.
$now.'/'.$total.': '.int((time-$since)/$now*($total-$now)).
- ' secs remaining";</script>');
+ ' secs remaining '.(time-$started).' last";</script>');
$r->rflush();
#
my $index=0;
@@ -2506,9 +3230,8 @@ ENDPOP
$index++;
}
}
- $sheet->{'f'}=\%formulas;
- &setformulas($sheet);
- &setconstants($sheet,\%constants);
+ $self->formulas(\%formulas);
+ $self->constants(\%constants);
$r->print('<script>popwin.close()</script>');
$r->rflush();
}
@@ -2516,16 +3239,18 @@ ENDPOP
# ------------------------------------------------ Load data for one assessment
#
sub loadassessment {
- my ($sheet,$r,$c)=@_;
+ my $self = shift;
+ my ($r,$c)=@_;
- 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'};
+ my $uhome = $self->{'uhome'};
+ my $uname = $self->{'uname'};
+ my $udom = $self->{'udom'};
+ my $symb = $self->{'usymb'};
+ my $cid = $self->{'cid'};
+ my $cnum = $self->{'cnum'};
+ my $cdom = $self->{'cdom'};
+ my $chome = $self->{'chome'};
+ my $csec = $self->{'csec'};
my $namespace;
unless ($namespace=$cid) { return ''; }
@@ -2535,23 +3260,16 @@ sub loadassessment {
#
# 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.':'.$symb.':'.$_};
- }
+ if (exists($cachedstores{$symb})) {
+ %returnhash = %{$cachedstores{$symb}};
+ } else {
+ %returnhash = ();
}
} 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
@@ -2610,66 +3328,42 @@ sub loadassessment {
#
my %c=();
if (tie(%parmhash,'GDBM_File',
- $sheet->{'coursefilename'}.'_parms.db',&GDBM_READER(),0640)) {
- my %f=&getformulas($sheet);
- foreach my $cell (keys(%f)) {
- next if ($cell !~ /^A/);
- next if ($f{$cell} =~/^[\!\~\-]/);
- if ($f{$cell}=~/^parameter/) {
- if (defined($thisassess{$f{$cell}})) {
- my $val = &parmval($f{$cell},$sheet);
- $c{$cell} = $val;
- $c{$f{$cell}} = $val;
+ $self->{'coursefilename'}.'_parms.db',&GDBM_READER(),0640)) {
+ my %f=$self->formulas();
+ foreach my $row ($self->rows()) {
+ my $cell = 'A'.$row;
+ my $formula = $self->formula($cell);
+ next if ($formula =~/^[\!\~\-]/);
+ if ($formula =~ /^parameter/) {
+ if (defined($thisassess{$formula})) {
+ my $val = &parmval($formula,$symb,$uname,$udom,$csec);
+ $c{$cell} = $val;
+ $c{$formula} = $val;
}
} else {
- my $key=$f{$cell};
- my $ckey=$key;
- $key=~s/^stores\_/resource\./;
- $key=~s/\_/\./g;
- $c{$cell}=$returnhash{$key};
- $c{$ckey}=$returnhash{$key};
+ my $ckey=$formula;
+ $formula=~s/^stores\_/resource\./;
+ $formula=~s/\_/\./g;
+ $c{$cell}=$returnhash{$formula};
+ $c{$ckey}=$returnhash{$formula};
}
}
untie(%parmhash);
}
- &setconstants($sheet,\%c);
-}
-
-# --------------------------------------------------------- Various form fields
-
-sub textfield {
- my ($title,$name,$value)=@_;
- return "\n<p><b>$title:</b><br>".
- '<input type=text name="'.$name.'" size=80 value="'.$value.'">';
-}
-
-sub hiddenfield {
- my ($name,$value)=@_;
- return "\n".'<input type=hidden name="'.$name.'" value="'.$value.'">';
+ $self->constants(\%c);
}
-sub selectbox {
- my ($title,$name,$value,%options)=@_;
- my $selout="\n<p><b>$title:</b><br>".'<select name="'.$name.'">';
- foreach (sort keys(%options)) {
- $selout.='<option value="'.$_.'"';
- if ($_ eq $value) { $selout.=' selected'; }
- $selout.='>'.$options{$_}.'</option>';
- }
- return $selout.'</select>';
-}
# =============================================== Update information in a sheet
#
# Add new users or assessments, etc.
#
-
sub updatesheet {
- my ($sheet)=@_;
- if ($sheet->{'sheettype'} eq 'classcalc') {
- return &updateclasssheet($sheet);
+ my $self = shift;
+ if ($self->{'type'} eq 'classcalc') {
+ return $self->updateclasssheet();
} else {
- return &updatestudentassesssheet($sheet);
+ return $self->updatestudentassesssheet();
}
}
@@ -2677,54 +3371,17 @@ sub updatesheet {
#
# Import the data for rows
#
-
sub loadrows {
- my ($sheet,$r)=@_;
+ my $self = shift;
+ my ($r)=@_;
my $c = $r->connection;
- my $stype=$sheet->{'sheettype'};
- if ($stype eq 'classcalc') {
- &loadcourse($sheet,$r,$c);
- } elsif ($stype eq 'studentcalc') {
- &loadstudent($sheet,$r,$c);
- } else {
- &loadassessment($sheet,$r,$c);
- }
-}
-
-# ======================================================= Forced recalculation?
-
-sub checkthis {
- my ($keyname,$time)=@_;
- if (! exists($expiredates{$keyname})) {
- return 0;
- } else {
- return ($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;
- }
+ if ($self->{'type'} eq 'classcalc') {
+ $self->loadcourse($r,$c);
+ } elsif ($self->{'type'} eq 'studentcalc') {
+ $self->loadstudent($r,$c);
} else {
- if (&checkthis('::studentcalc:',$time) ||
- &checkthis($uname.':'.$udom.':studentcalc:',$time)) {
- return 1;
- }
+ $self->loadassessment($r,$c);
}
- return 0;
}
# ============================================================== Export handler
@@ -2732,11 +3389,12 @@ sub forcedrecalc {
# returns the export row for a spreadsheet.
#
sub exportsheet {
- my ($sheet,$uname,$udom,$stype,$usymb,$fn,$r)=@_;
+ my $self = shift;
+ my ($uname,$udom,$stype,$usymb,$fn,$r)=@_;
my $flag = 0;
- $uname = $uname || $sheet->{'uname'};
- $udom = $udom || $sheet->{'udom'};
- $stype = $stype || $sheet->{'sheettype'};
+ $uname = $uname || $self->{'uname'};
+ $udom = $udom || $self->{'udom'};
+ $stype = $stype || $self->{'type'};
my @exportarr=();
# This handles the assessment sheets for '_feedback', etc
if (defined($usymb) && ($usymb=~/^\_(\w+)/) &&
@@ -2748,8 +3406,8 @@ sub exportsheet {
#
my $key=$uname.':'.$udom.':'.$stype.':'.$usymb;
my $found='';
- if ($oldsheets{$key}) {
- foreach (split(/___&\___/,$oldsheets{$key})) {
+ if ($Apache::lonspreadsheet::oldsheets{$key}) {
+ foreach (split(/___&\___/,$Apache::lonspreadsheet::oldsheets{$key})) {
my ($name,$value)=split(/___=___/,$_);
if ($name eq $fn) {
$found=$value;
@@ -2757,9 +3415,9 @@ sub exportsheet {
}
}
unless ($found) {
- &cachedssheets($sheet,$uname,$udom);
- if ($oldsheets{$key}) {
- foreach (split(/___&\___/,$oldsheets{$key})) {
+ &cachedssheets($self,$uname,$udom);
+ if ($Apache::lonspreadsheet::oldsheets{$key}) {
+ foreach (split(/___&\___/,$Apache::lonspreadsheet::oldsheets{$key})) {
my ($name,$value)=split(/___=___/,$_);
if ($name eq $fn) {
$found=$value;
@@ -2785,12 +3443,13 @@ sub exportsheet {
#
# Not cached
#
- my ($newsheet)=&makenewsheet($uname,$udom,$stype,$usymb);
- &readsheet($newsheet,$fn);
- &updatesheet($newsheet);
- &loadrows($newsheet,$r);
- &calcsheet($newsheet);
- @exportarr=&exportdata($newsheet);
+ my $newsheet = Apache::lonspreadsheet::Spreadsheet->new($uname,$udom,
+ $stype,$usymb);
+ $newsheet->readsheet($fn);
+ $newsheet->updatesheet();
+ $newsheet->loadrows($r);
+ $newsheet->calcsheet();
+ @exportarr=$newsheet->exportdata();
##
## Store now
##
@@ -2801,7 +3460,7 @@ sub exportsheet {
if ($stype eq 'studentcalc') {
my @tmp = &Apache::lonnet::get('nohist_calculatedsheets',
[$key],
- $sheet->{'cdom'},$sheet->{'cnum'});
+ $self->{'cdom'},$self->{'cnum'});
if ($tmp[0]!~/^error/) {
# We only got one key, so we will access it directly.
foreach (split('___&___',$tmp[1])) {
@@ -2812,8 +3471,8 @@ sub exportsheet {
}
} else {
my @tmp = &Apache::lonnet::get('nohist_calculatedsheets_'.
- $sheet->{'cid'},[$key],
- $sheet->{'udom'},$sheet->{'uname'});
+ $self->{'cid'},[$key],
+ $self->{'udom'},$self->{'uname'});
if ($tmp[0]!~/^error/) {
# We only got one key, so we will access it directly.
foreach (split('___&___',$tmp[1])) {
@@ -2844,469 +3503,20 @@ sub exportsheet {
my $result = &Apache::lonnet::put('nohist_calculatedsheets',
{ $key => $newstore,
$timekey => $now },
- $sheet->{'cdom'},
- $sheet->{'cnum'});
+ $self->{'cdom'},
+ $self->{'cnum'});
} else {
- my $result = &Apache::lonnet::put('nohist_calculatedsheets_'.$sheet->{'cid'},
+ my $result = &Apache::lonnet::put('nohist_calculatedsheets_'.$self->{'cid'},
{ $key => $newstore,
$timekey => $now },
- $sheet->{'udom'},
- $sheet->{'uname'});
+ $self->{'udom'},
+ $self->{'uname'});
}
return @exportarr;
}
-# ============================================================ Expiration Dates
-#
-# Load previously cached student spreadsheets for this course
-#
-sub load_spreadsheet_expirationdates {
- undef %expiredates;
- my $cid=$ENV{'request.course.id'};
- my @tmp = &Apache::lonnet::dump('nohist_expirationdates',
- $ENV{'course.'.$cid.'.domain'},
- $ENV{'course.'.$cid.'.num'});
- if (lc($tmp[0]) !~ /^error/){
- %expiredates = @tmp;
- }
-}
-
-# ===================================================== Calculated sheets cache
-#
-# Load previously cached student spreadsheets for this course
-#
-
-sub cachedcsheets {
- my $cid=$ENV{'request.course.id'};
- my @tmp = &Apache::lonnet::dump('nohist_calculatedsheets',
- $ENV{'course.'.$cid.'.domain'},
- $ENV{'course.'.$cid.'.num'});
- if ($tmp[0] !~ /^error/) {
- my %StupidTempHash = @tmp;
- while (my ($key,$value) = each %StupidTempHash) {
- $oldsheets{$key} = $value;
- }
- }
-}
-
-# ===================================================== Calculated sheets cache
-#
-# Load previously cached assessment spreadsheets for this student
-#
-
-sub cachedssheets {
- my ($sheet,$uname,$udom) = @_;
- $uname = $uname || $sheet->{'uname'};
- $udom = $udom || $sheet->{'udom'};
- if (! $loadedcaches{$uname.'_'.$udom}) {
- my @tmp = &Apache::lonnet::dump('nohist_calculatedsheets',
- $sheet->{'udom'},
- $sheet->{'uname'});
- if ($tmp[0] !~ /^error/) {
- my %TempHash = @tmp;
- my $count = 0;
- while (my ($key,$value) = each %TempHash) {
- $oldsheets{$key} = $value;
- $count++;
- }
- $loadedcaches{$sheet->{'uname'}.'_'.$sheet->{'udom'}}=1;
- }
- }
-
-}
-
-# ===================================================== Calculated sheets cache
-#
-# Load previously cached assessment spreadsheets for this student
-#
-
-# ================================================================ Main handler
-#
-# Interactive call to screen
-#
-#
-sub handler {
- my $r=shift;
-
- my ($sheettype) = ($r->uri=~/\/(\w+)$/);
-
- if (! exists($ENV{'form.Status'})) {
- $ENV{'form.Status'} = 'Active';
- }
- if ( ! exists($ENV{'form.output'}) ||
- ($sheettype ne 'classcalc' &&
- lc($ENV{'form.output'}) eq 'recursive excel')) {
- $ENV{'form.output'} = 'HTML';
- }
- #
- # Overload checking
- #
- # 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 $loaderror; }
- #
- # HTML Header
- #
- if ($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/';
- #
- # Roles Checking
- #
- # 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','mapid','resid']);
- #
- # Deal with restricted student permissions
- #
- if ($ENV{'request.role'} =~ /^st\./) {
- delete $ENV{'form.unewfield'} if (exists($ENV{'form.unewfield'}));
- delete $ENV{'form.unewformula'} if (exists($ENV{'form.unewformula'}));
- }
- #
- # Look for special assessment spreadsheets - '_feedback', etc.
- #
- if (($ENV{'form.usymb'}=~/^\_(\w+)/) && (!$ENV{'form.ufn'} ||
- $ENV{'form.ufn'} eq '' ||
- $ENV{'form.ufn'} eq 'default')) {
- $ENV{'form.ufn'}='default_'.$1;
- }
- if (!$ENV{'form.ufn'} || $ENV{'form.ufn'} eq 'default') {
- $ENV{'form.ufn'}='course_default_'.$sheettype;
- }
- #
- # 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, try to prevent browser cache.
- #
- $r->content_type('text/html');
- $r->header_out('Cache-control','no-cache');
- $r->header_out('Pragma','no-cache');
- $r->send_http_header;
- #
- # Header....
- #
- $r->print('<html><head><title>LON-CAPA Spreadsheet</title>');
- my $nothing = "''";
- if ($ENV{'browser.type'} eq 'explorer') {
- $nothing = "'javascript:void(0);'";
- }
-
- if ($ENV{'request.role'} !~ /^st\./) {
- $r->print(<<ENDSCRIPT);
-<script language="JavaScript">
-
- var editwin;
-
- function celledit(cellname,cellformula) {
- var edit_text = '';
- // cellformula may contain less-than and greater-than symbols, so
- // we need to escape them?
- edit_text +='<html><head><title>Cell Edit Window</title></head><body>';
- edit_text += '<form name="editwinform">';
- edit_text += '<center><h3>Cell '+cellname+'</h3>';
- edit_text += '<textarea name="newformula" cols="40" rows="6"';
- edit_text += ' wrap="off" >'+cellformula+'</textarea>';
- edit_text += '</br>';
- edit_text += '<input type="button" name="accept" value="Accept"';
- edit_text += ' onClick=\\\'javascript:';
- edit_text += 'opener.document.sheet.unewfield.value=';
- edit_text += '"'+cellname+'";';
- edit_text += 'opener.document.sheet.unewformula.value=';
- edit_text += 'document.editwinform.newformula.value;';
- edit_text += 'opener.document.sheet.submit();';
- edit_text += 'self.close()\\\' />';
- edit_text += ' ';
- edit_text += '<input type="button" name="abort" ';
- edit_text += 'value="Discard Changes"';
- edit_text += ' onClick="javascript:self.close()" />';
- edit_text += '</center></body></html>';
-
- if (editwin != null && !(editwin.closed) ) {
- editwin.close();
- }
-
- editwin = window.open($nothing,'CellEditWin','height=200,width=350,scrollbars=no,resizeable=yes,alwaysRaised=yes,dependent=yes',true);
- editwin.document.write(edit_text);
- }
-
- function changesheet(cn) {
- document.sheet.unewfield.value=cn;
- document.sheet.unewformula.value='changesheet';
- document.sheet.submit();
- }
-
- function insertrow(cn) {
- document.sheet.unewfield.value='insertrow';
- document.sheet.unewformula.value=cn;
- document.sheet.submit();
- }
-
-</script>
-ENDSCRIPT
- }
- $r->print('</head>'.&Apache::loncommon::bodytag('Grades Spreadsheet').
- '<form action="'.$r->uri.'" name="sheet" method="post">');
- $r->print(&hiddenfield('uname',$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'}) {
- $r->print('<h4>Completely Recalculating Sheet ...</h4>');
- undef %spreadsheets;
- undef %courserdatas;
- undef %userrdatas;
- undef %defaultsheets;
- undef %rowlabel_cache;
- }
- # Read new sheet or modified worksheet
- my ($sheet)=&makenewsheet($aname,$adom,$sheettype,$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('<h1>Access Permission Denied</h1>'.
- '</form></body></html>');
- return OK;
- }
- }
- # Print out user information
- $r->print('<h2>'.$sheet->{'coursedesc'}.'</h2>');
- if ($sheet->{'sheettype'} ne 'classcalc') {
- $r->print('<h2>'.&gettitle($sheet).'</h2><p>');
- }
- if ($sheet->{'sheettype'} eq 'assesscalc') {
- $r->print('<b>User:</b> '.$sheet->{'uname'}.
- '<br /><b>Domain:</b> '.$sheet->{'udom'}.'<br />');
- }
- if ($sheet->{'sheettype'} eq 'studentcalc' ||
- $sheet->{'sheettype'} eq 'assesscalc') {
- $r->print('<b>Section/Group:</b>'.$sheet->{'csec'}.'</p>');
- }
- #
- # If a new formula had been entered, go from work copy
- if ($ENV{'form.unewfield'}) {
- $r->print('<h2>Modified Workcopy</h2>');
- $ENV{'form.unewformula'}=~s/\'/\"/g;
- $r->print('<p>Cell '.$ENV{'form.unewfield'}.' = <pre>');
- $r->print(&HTML::Entities::encode($ENV{'form.unewformula'}).
- '</pre></p>');
- $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($sheet,$ENV{'form.ufn'});
- }
- # Additional options
- if ($sheet->{'sheettype'} eq 'assesscalc') {
- $r->print('<p><font size=+2>'.
- '<a href="/adm/studentcalc?'.
- 'uname='.$sheet->{'uname'}.
- '&udom='.$sheet->{'udom'}.'">'.
- 'Level up: Student Sheet</a></font></p>');
- }
- if (($sheet->{'sheettype'} eq 'studentcalc') &&
- (&Apache::lonnet::allowed('vgr',$sheet->{'cid'}))) {
- $r->print ('<p><font size=+2><a href="/adm/classcalc">'.
- 'Level up: Course Sheet</a></font></p>');
- }
- # Recalc button
- $r->print('<br />'.
- '<input type="submit" name="forcerecalc" '.
- 'value="Completely Recalculate Sheet"></p>');
- # Save dialog
- if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
- my $fname=$ENV{'form.ufn'};
- $fname=~s/\_[^\_]+$//;
- if ($fname eq 'default') { $fname='course_default'; }
- $r->print('<input type=submit name=saveas value="Save as ...">'.
- '<input type=text size=20 name=newfn value="'.$fname.'">'.
- 'make default: <input type=checkbox name="makedefufn"><p>');
- }
- $r->print(&hiddenfield('ufn',$sheet->{'filename'}));
- # Load dialog
- if (&Apache::lonnet::allowed('opa',$ENV{'request.course.id'})) {
- $r->print('<p><input type=submit name=load value="Load ...">'.
- '<select name="loadthissheet">'.
- '<option name="default">Default</option>');
- foreach (&othersheets($sheet)) {
- $r->print('<option name="'.$_.'"');
- if ($ENV{'form.ufn'} eq $_) {
- $r->print(' selected');
- }
- $r->print('>'.$_.'</option>');
- }
- $r->print('</select><p>');
- if ($sheet->{'sheettype'} eq 'studentcalc') {
- &setothersheets($sheet,
- &othersheets($sheet,'assesscalc'));
- }
- }
- #
- # Set up caching mechanisms
- #
- &load_spreadsheet_expirationdates();
- # Clear out old caches if we have not seen this class before.
- if (exists($oldsheets{'course'}) &&
- $oldsheets{'course'} ne $sheet->{'cid'}) {
- undef %oldsheets;
- undef %loadedcaches;
- }
- $oldsheets{'course'} = $sheet->{'cid'};
- #
- if ($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);
- }
- # Update sheet, load rows
- $r->print("Loaded sheet(s), updating rows ...<br>\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 ...<br>\n");
- $r->rflush();
- #
- my $calcoutput=&calcsheet($sheet);
- $r->print('<h3><font color=red>'.$calcoutput.'</h3></font>');
- # 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;
- $r->print('<p>Saving spreadsheet: '.
- &writesheet($sheet,$ENV{'form.makedefufn'}).
- '<p>');
- }
- }
- #
- # Write the modified worksheet
- $r->print('<b>Current sheet:</b> '.$sheet->{'filename'}.'</p>');
- &tmpwrite($sheet);
- if ($sheet->{'sheettype'} eq 'assesscalc') {
- $r->print('<p>Show rows with empty A column: ');
- } else {
- $r->print('<p>Show empty rows: ');
- }
- #
- $r->print(&hiddenfield('userselhidden','true').
- '<input type="checkbox" name="showall" onClick="submit()"');
- #
- if ($ENV{'form.showall'}) {
- $r->print(' checked');
- } else {
- unless ($ENV{'form.userselhidden'}) {
- unless
- ($ENV{'course.'.$sheet->{'cid'}.'.hideemptyrows'} eq 'yes') {
- $r->print(' checked');
- $ENV{'form.showall'}=1;
- }
- }
- }
- $r->print('>');
- #
- # CSV format checkbox (classcalc sheets only)
- $r->print(' Output as <select name="output" size="1" onClick="submit()">'.
- "\n");
- foreach my $mode (qw/HTML CSV Excel/) {
- $r->print('<option value="'.$mode.'"');
- if ($ENV{'form.output'} eq $mode) {
- $r->print(' selected ');
- }
- $r->print('>'.$mode.'</option>'."\n");
- }
-#
-# Mulit-sheet excel takes too long and does not work at all for large
-# classes. Future inclusion of this option may be possible with the
-# Spreadsheet::WriteExcel::Big and speed improvements.
-#
-# if ($sheet->{'sheettype'} eq 'classcalc') {
-# $r->print('<option value="recursive excel"');
-# if ($ENV{'form.output'} eq 'recursive excel') {
-# $r->print(' selected ');
-# }
-# $r->print(">Multi-Sheet Excel</option>\n");
-# }
- $r->print("</select>\n");
- #
- if ($sheet->{'sheettype'} eq 'classcalc') {
- $r->print(' Student Status: '.
- &Apache::lonhtmlcommon::StatusOptions
- ($ENV{'form.Status'},'sheet'));
- }
- #
- # Buttons to insert rows
-# $r->print(<<ENDINSERTBUTTONS);
-#<br>
-#<input type='button' onClick='insertrow("top");'
-#value='Insert Row Top'>
-#<input type='button' onClick='insertrow("bottom");'
-#value='Insert Row Bottom'><br>
-#ENDINSERTBUTTONS
- # Print out sheet
- &outsheet($sheet,$r);
- $r->print('</form></body></html>');
- # Done
- return OK;
-}
-
1;
+
__END__