--- loncom/interface/groupsort.pm 2002/05/13 16:00:53 1.10 +++ loncom/interface/groupsort.pm 2005/06/10 02:19:51 1.34 @@ -2,7 +2,7 @@ # The LON-CAPA group sort handler # Allows for sorting prior to import into RAT. # -# $Id: groupsort.pm,v 1.10 2002/05/13 16:00:53 www Exp $ +# $Id: groupsort.pm,v 1.34 2005/06/10 02:19:51 www Exp $ # # Copyright Michigan State University Board of Trustees # @@ -26,11 +26,6 @@ # # http://www.lon-capa.org/ # -# YEAR=2001 -# 8/7,8/8,10/14,10/15,12/10 Scott Harrison -# YEAR=2002 -# 1/17 Scott Harrison -# ### package Apache::groupsort; @@ -39,28 +34,222 @@ use strict; use Apache::Constants qw(:common); use GDBM_File; +use Apache::loncommon; +use Apache::lonlocal; +use Apache::lonnet; -my %hash; # variable to tie to user specific database my $iconpath; # variable to be accessible to multiple subroutines +my %hash; # variable to tie to user specific database + + +sub readfromdb { + my ($r,$shash,$thash)=@_; + + my $diropendb; +# ------------------------------ which file do we open? Easy if explictly given + if ($env{'form.catalogmode'} eq 'groupsearch') { + $diropendb = + "/home/httpd/perl/tmp/$env{'user.domain'}_$env{'user.name'}_searchcat.db"; + } elsif ($env{'form.catalogmode'} eq 'groupimport') { + $diropendb = + "/home/httpd/perl/tmp/$env{'user.domain'}_$env{'user.name'}_indexer.db"; + } elsif ($env{'form.catalogmode'} eq 'groupsec') { + $diropendb = + "/home/httpd/perl/tmp/$env{'user.domain'}_$env{'user.name'}_groupsec.db"; + } else { +# --------------------- not explicitly given, choose the one most recently used + my @dbfn; + my @dbst; + + $dbfn[0] = + "/home/httpd/perl/tmp/$env{'user.domain'}_$env{'user.name'}_searchcat.db"; + $dbst[0]=-1; + if (-e $dbfn[0]) { + $dbst[0]=(stat($dbfn[0]))[9]; + } + $dbfn[1] = + "/home/httpd/perl/tmp/$env{'user.domain'}_$env{'user.name'}_indexer.db"; + $dbst[1]=-1; + if (-e $dbfn[1]) { + $dbst[1]=(stat($dbfn[1]))[9]; + } + $dbfn[2] = + "/home/httpd/perl/tmp/$env{'user.domain'}_$env{'user.name'}_groupsec.db"; + $dbst[2]=-1; + if (-e $dbfn[2]) { + $dbst[2]=(stat($dbfn[2]))[9]; + } +# Expand here for more modes +# .... + +# Okay, find most recent existing + + my $newest=0; + $diropendb=''; + for (my $i=0; $i<=$#dbfn; $i++) { + if ($dbst[$i]>$newest) { + $newest=$dbst[$i]; + $diropendb=$dbfn[$i]; + } + } + + } +# ----------------------------- diropendb is now the filename of the db to open + if (tie(%hash,'GDBM_File',$diropendb,&GDBM_WRCREAT(),0640)) { + my $acts = $env{'form.acts'}; + my @Acts = split(/b/,$acts); + my %ahash; + my %achash; + my $ac = 0; + foreach (@Acts) { + my ($state,$ref) = split(/a/); + $ahash{$ref} = $state; + $achash{$ref} = $ac; + $ac++; + } + foreach (sort {$achash{$a} <=> $achash{$b}} (keys %ahash)) { + my $key = $_; + if ($ahash{$key} eq '1') { +# my $keyz=join("
",keys %hash); +# print "
$key
$keyz".$hash{'pre_'.$key.'_link'}."
\n"; + $hash{'store_'.$hash{'pre_'.$key.'_link'}} = + $hash{'pre_'.$key.'_title'}; + $hash{'storectr_'.$hash{'pre_'.$key.'_link'}} = + $hash{'storectr'}+0; + $hash{'storectr'}++; + } + if ($ahash{$key} eq '0') { + if ($hash{'store_'.$hash{'pre_'.$key.'_link'}}) { + delete $hash{'store_'.$hash{'pre_'.$key.'_link'}}; + } + } + } + foreach (keys %hash) { + if ($_ =~ /^store_/) { + my $key = $_; + $key =~ s/^store_//; + $$shash{$key} = $hash{'storectr_'.$key}; + if (&Apache::lonnet::gettitle($key) eq '') { + $$thash{$key} = $hash{'store_'.$key}; + } else { + $$thash{$key} = &Apache::lonnet::gettitle($key); + } + } + } + if ($env{'form.oldval'}) { + my $newctr = 0; + my %chash; + foreach (sort {$$shash{$a} <=> $$shash{$b}} (keys %{$shash})) { + my $key = $_; + $newctr++; + $$shash{$key} = $newctr; + $hash{'storectr_'.$key} = $newctr; + $chash{$newctr} = $key; + } + my $oldval = $env{'form.oldval'}; + my $newval = $env{'form.newval'}; + if ($oldval != $newval) { + # when newval==0, then push down and delete + if ($newval!=0) { + $$shash{$chash{$oldval}} = $newval; + $hash{'storectr_'.$chash{$oldval}} = $newval; + } else { + $$shash{$chash{$oldval}} = $newctr; + $hash{'storectr_'.$chash{$oldval}} = $newctr; + } + if ($newval==0) { # push down + my $newval2=$newctr; + for my $idx ($oldval..($newval2-1)) { + $$shash{$chash{$idx+1}} = $idx; + $hash{'storectr_'.$chash{$idx+1}} = $idx; + } + delete $$shash{$chash{$oldval}}; + delete $hash{'storectr_'.$chash{$oldval}}; + delete $hash{'store_'.$chash{$oldval}}; + } elsif ($oldval < $newval) { # push down + for my $idx ($oldval..($newval-1)) { + $$shash{$chash{$idx+1}} = $idx; + $hash{'storectr_'.$chash{$idx+1}} = $idx; + } + } elsif ($oldval > $newval) { # push up + for my $idx (reverse($newval..($oldval-1))) { + $$shash{$chash{$idx}} = $idx+1; + $hash{'storectr_'.$chash{$idx}} = $idx+1; + } + } + } + } + } else { + $r->print('Unable to tie hash to db file'); + } + untie %hash; + return ($shash,$thash); +} + + + +sub cleanup { + if (tied(%hash)){ + &Apache::lonnet::logthis('Cleanup groupsort: hash'); + unless (untie(%hash)) { + &Apache::lonnet::logthis('Failed cleanup groupsort: hash'); + } + } +} + +# -------------------------------------------------------------- Read from file + +sub readfromfile { + my ($r,$shash,$thash)=@_; + my $cont=&Apache::lonnet::getfile + (&Apache::lonnet::filelocation('',$env{'form.readfile'})); + if ($cont==-1) { + $r->print('Unable to read file: '. + &Apache::lonnet::filelocation('',$env{'form.readfile'})); + } else { + my $parser = HTML::TokeParser->new(\$cont); + my $token; + while ($token = $parser->get_token) { + if ($token->[0] eq 'S') { + if ($token->[1] eq 'resource') { + if ($env{'form.recover'}) { + if ($token->[2]->{'type'} ne 'zombie') { next; } + } else { + if ($token->[2]->{'type'} eq 'zombie') { next; } + } + my $name=$token->[2]->{'title'}; + my $url=$token->[2]->{'src'}; + $name=~s/ \[\((\d+)\,(\w+)\,(\w+)\)\]$//; + if ($1) { + $name.='
'.&mt('Removed by '). + &Apache::loncommon::plainname($2,$3).', '. + &Apache::lonlocal::locallocaltime($1); + } + $r->print('
'.$name); + } + } + } + } + return ($shash,$thash); +} # ---------------------------------------------------------------- Main Handler sub handler { my $r = shift; &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, - ['acts','catalogmode','mode']); - + ['acts','catalogmode','mode','readfile','recover']); # color scheme my $fileclr = '#ffffe6'; my $titleclr = '#ddffff'; - $r->content_type('text/html'); + &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; return OK if $r->header_only; # finish_import looks different for graphical or "simple" RAT my $finishimport=''; - if ($ENV{'form.mode'} eq 'simple') { + if ($env{'form.mode'} eq 'simple' || $env{'form.mode'} eq '') { $finishimport=(<print(< +$html The LearningOnline Network With CAPA Group Sorter - END - # read pertinent machine configuration my $domain = $r->dir_config('lonDefDomain'); $iconpath = $r->dir_config('lonIconsURL') . "/"; @@ -141,183 +327,106 @@ END my %shash; # sort order (key is resource location, value is sort order) my %thash; # title (key is resource location, value is title) - my $diropendb; - if ($ENV{'form.catalogmode'} eq 'groupsearch') { - $diropendb = - "/home/httpd/perl/tmp/$domain\_$ENV{'user.name'}_searchcat.db"; - } - elsif ($ENV{'form.catalogmode'} eq 'groupimport') { - $diropendb = - "/home/httpd/perl/tmp/$domain\_$ENV{'user.name'}_indexer.db"; - } - else { # choose last accessed - my $dsearch; my $dindex; - my $dsearcht; my $dindext; - $dsearch = - "/home/httpd/perl/tmp/$domain\_$ENV{'user.name'}_searchcat.db"; - if (-e $dsearch) { - $dsearcht=(stat($dsearch))[9]; - } - $dindex = - "/home/httpd/perl/tmp/$domain\_$ENV{'user.name'}_indexer.db"; - if (-e $dindex) { - $dindext=(stat($dindex))[9]; - } - if (!$dsearcht and !$dindext) { - $diropendb=''; - } - elsif ($dsearcht>$dindext) { - $diropendb=$dsearch; - } - else { - $diropendb=$dindex; - } - } - if (tie(%hash,'GDBM_File',$diropendb,&GDBM_WRCREAT,0640)) { - my $acts = $ENV{'form.acts'}; - my @Acts = split(/b/,$acts); - my %ahash; - my %achash; - my $ac = 0; - foreach (@Acts) { - my ($state,$ref) = split(/a/); - $ahash{$ref} = $state; - $achash{$ref} = $ac; - $ac++; - } - foreach (sort {$achash{$a} <=> $achash{$b}} (keys %ahash)) { - my $key = $_; - if ($ahash{$key} eq '1') { -# my $keyz=join("
",keys %hash); -# print "
$key
$keyz".$hash{'pre_'.$key.'_link'}."
\n"; - $hash{'store_'.$hash{'pre_'.$key.'_link'}} = - $hash{'pre_'.$key.'_title'}; - $hash{'storectr_'.$hash{'pre_'.$key.'_link'}} = - $hash{'storectr'}+0; - $hash{'storectr'}++; - } - if ($ahash{$key} eq '0') { - if ($hash{'store_'.$hash{'pre_'.$key.'_link'}}) { - delete $hash{'store_'.$hash{'pre_'.$key.'_link'}}; - } - } - } - foreach (keys %hash) { - if ($_ =~ /^store_/) { - my $key = $_; - $key =~ s/^store_//; - $shash{$key} = $hash{'storectr_'.$key}; - $thash{$key} = $hash{'store_'.$key}; - } - } - if ($ENV{'form.oldval'}) { - my $newctr = 0; - my %chash; - foreach (sort {$shash{$a} <=> $shash{$b}} (keys %shash)) { - my $key = $_; - $newctr++; - $shash{$key} = $newctr; - $hash{'storectr_'.$key} = $newctr; - $chash{$newctr} = $key; - } - my $oldval = $ENV{'form.oldval'}; - my $newval = $ENV{'form.newval'}; - if ($oldval != $newval) { - # when newval==0, then push down and delete - if ($newval!=0) { - $shash{$chash{$oldval}} = $newval; - $hash{'storectr_'.$chash{$oldval}} = $newval; - } - else { - $shash{$chash{$oldval}} = $newctr; - $hash{'storectr_'.$chash{$oldval}} = $newctr; - } - if ($newval==0) { # push down - my $newval2=$newctr; - for my $idx ($oldval..($newval2-1)) { - $shash{$chash{$idx+1}} = $idx; - $hash{'storectr_'.$chash{$idx+1}} = $idx; - } - delete $shash{$chash{$oldval}}; - delete $hash{'storectr_'.$chash{$oldval}}; - delete $hash{'store_'.$chash{$oldval}}; - } - elsif ($oldval < $newval) { # push down - for my $idx ($oldval..($newval-1)) { - $shash{$chash{$idx+1}} = $idx; - $hash{'storectr_'.$chash{$idx+1}} = $idx; - } - } - elsif ($oldval > $newval) { # push up - for my $idx (reverse($newval..($oldval-1))) { - $shash{$chash{$idx}} = $idx+1; - $hash{'storectr_'.$chash{$idx}} = $idx+1; - } - } - } - } + if ($env{'form.readfile'}) { + &readfromfile($r,\%shash,\%thash); } else { - $r->print('Unable to tie hash to db file'); - return OK; + &readfromdb($r,\%shash,\%thash); } - untie %hash; + my $ctr = 0; my $clen = scalar(keys %shash); - $r->print('

The LearningOnline With CAPA '. - 'Group Sorter

'."\n"); - $r->print('Finalize order of resources'. - ''."\n"); - $r->print("
"); - $r->print(< 1) { + my %lt=&Apache::lonlocal::texthash( + 'fin'=> 'Finalize order of resources', + 'gb' => 'Go Back', + 'ns' => 'New Search', + 'fi' => 'Finish Import', + 'ca' => 'Cancel', + 'co' => 'Change Order', + 'ti' => 'Title', + 'pa' => 'Path' + ); + $r->print(&Apache::loncommon::bodytag('Sort Imported Resources')); + $r->print(<$lt{'fin'} + + END - if ($ENV{'form.catalogmode'} eq 'groupimport') { - $r->print(<  + + # --- Expand here if "GO BACK" button desired + if ($env{'form.catalogmode'} eq 'groupimport') { + my $resurl = &Apache::loncommon::lastresurl(); + $r->print(<  END - } - if ($ENV{'form.catalogmode'} eq 'groupsearch') { - $r->print(<  + } + if ($env{'form.catalogmode'} eq 'groupsearch') { + $r->print(<  END -} - $r->print(<print(<  - + +END + $r->print("\n"); + } + } + if ($clen > 1) { + $r->print("
"); + $r->print("\n"); + $r->print("\n"); + $r->print("\n"); + $r->print("\n"); + } else { + $r->print(< + + + + + END - $r->print("
$lt{'co'}$lt{'ti'}$lt{'pa'}
"); - $r->print("\n"); - $r->print("". - "\n"); - $r->print("\n"); - $r->print("\n"); + } foreach (sort {$shash{$a}<=>$shash{$b}} (keys %shash)) { my $key=$_; $ctr++; - my @file_ext = split(/\./,$key); - my $curfext = $file_ext[scalar(@file_ext)-1]; - $r->print("\n"); - } - $r->print("
Change orderTitlePath
"); - $r->print(&movers($clen,$ctr)); + my $iconname=&Apache::loncommon::icon($key); + if ($clen > 1) { + $r->print("
"); + $r->print(&movers($clen,$ctr)); + } $r->print(&hidden($ctr-1,$thash{$key},$key)); - $r->print(""); - $r->print(&select_box($clen,$ctr)); - $r->print(""); - $r->print(""); - $r->print(""); - $r->print("$thash{$key}\n"); - $r->print("$key
"); + if ($clen > 1) { + $r->print("		"); + $r->print(&select_box($clen,$ctr)); + $r->print(""); + $r->print(""); + $r->print(""); + $r->print("$thash{$key}\n"); + $r->print("$key
"); + } else { + $r->print(< + finish_import(); + +END + } $r->print(< END + return OK; }