--- loncom/interface/groupsort.pm 2002/05/24 13:53:43 1.11 +++ loncom/interface/groupsort.pm 2012/05/02 19:10:13 1.68.6.1 @@ -2,7 +2,7 @@ # The LON-CAPA group sort handler # Allows for sorting prior to import into RAT. # -# $Id: groupsort.pm,v 1.11 2002/05/24 13:53:43 www Exp $ +# $Id: groupsort.pm,v 1.68.6.1 2012/05/02 19:10:13 raeburn 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; @@ -39,35 +34,202 @@ use strict; use Apache::Constants qw(:common); use GDBM_File; +use Apache::loncommon; +use Apache::lonlocal; +use Apache::lonnet; +use LONCAPA; -my %hash; # variable to tie to user specific database my $iconpath; # variable to be accessible to multiple subroutines +my %hash; # variable to tie to user specific database + + +sub update_actions_hash { + my ($hash) = @_; + # be careful in here, there is also a global %hash + my $acts=$env{'form.acts'}; + my @Acts=split(/b/,$acts); + my %ahash; + my %achash; + # some initial hashes for working with data + my $ac=0; + foreach (@Acts) { + my ($state,$ref)=split(/a/); + $ahash{$ref}=$state; + $achash{$ref}=$ac; + $ac++; + } + # sorting through the actions and changing the global database hash + foreach my $key (sort {$achash{$a}<=>$achash{$b}} (keys %ahash)) { + if ($ahash{$key} eq '1') { + $hash->{'store_'.$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_'.$key.'_link'}}); + delete($hash->{'storectr_'.$hash->{'pre_'.$key.'_link'}}); + } + } + } + # deleting the previously cached listing + foreach my $key (keys(%{ $hash })) { + next if ($key !~ /^pre_(\d+)_link/); + my $which = $1; + delete($hash->{'pre_'.$which.'_title'}); + delete($hash->{'pre_'.$which.'_link'}); + } +} + +sub readfromdb { + my ($r,$resources)=@_; + + my $diropendb = LONCAPA::tempdir() . + "$env{'user.domain'}_$env{'user.name'}_sel_res.db"; + +# ----------------------------- diropendb is now the filename of the db to open + if (tie(%hash,'GDBM_File',$diropendb,&GDBM_WRCREAT(),0640)) { + &update_actions_hash(\%hash); + + my %temp_resources; + foreach my $key (keys(%hash)) { + next if ($key !~ /^store_/); + my ($url) = ($key =~ /^store_(.*)/); + $temp_resources{$hash{'storectr_'.$url}}{'url'}=$url; + $temp_resources{$hash{'storectr_'.$url}}{'title'}= + &Apache::lonnet::gettitle($url); + } + + # use the temp, since there might be gaps in the counting + foreach my $item (sort {$a <=> $b} (keys(%temp_resources))) { + push(@{ $resources },$temp_resources{$item}); + } + + if ($env{'form.oldval'}) { + my $res = splice(@{$resources},$env{'form.oldval'}-1,1); + if ($env{'form.newval'} == 0) { + # picked 'discard' + my $url = $res->{'url'}; + delete($hash{'storectr_'.$url}); + delete($hash{'store_'.$url}); + } else { + splice(@{$resources},$env{'form.newval'}-1,0,$res); + } + } + # store out new order + foreach my $which (0..$#$resources) { + my $url = $resources->[$which]{'url'}; + $hash{'storectr_'.$url} = $which; + } + } else { + $r->print('Unable to tie hash to db file'); + } + untie(%hash); +} + + + +sub cleanup { + if (tied(%hash)){ + &Apache::lonnet::logthis('Cleanup groupsort: hash'); + unless (untie(%hash)) { + &Apache::lonnet::logthis('Failed cleanup groupsort: hash'); + } + } + return OK; +} + +# -------------------------------------------------------------- Read from file + +sub readfromfile { + my ($r,$resources)=@_; + 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'}; + $name=~s/ \[\((\d+)\,($LONCAPA::username_re)\,($LONCAPA::domain_re)\)\]$//; + my $note; + if ($1) { + $note = '
'.&mt('Removed by '). + &Apache::loncommon::plainname($2,$3).', '. + &Apache::lonlocal::locallocaltime($1); + } + $name=~s/\&colon\;/\:/g; + push(@{$resources}, {'url' => $token->[2]->{'src'}, + 'title' => $name, + 'note' => $note, + 'id' => $token->[2]->{'id'},}); + } + } + } + } +} + +# --------------------------------------------------------- Read from bookmarks + +sub readfrombookmarks { + my ($r,$resources)=@_; + my %bookmarks=&Apache::lonnet::dump('bookmarks'); +# the bookmark "hash" is just one entry +# it's a javascript program code with arguments like ('title','url'); + my @bookmarks=($bookmarks{'bookmarks'}=~/\((?:\'([^\']+)\'\,\'([^\']+)\'|\"([^\"]+)\"\,\"([^\"]+)\")\)\;/g); + for (my $index=0;$index<($#bookmarks+1)/2;$index++) { + if ($bookmarks[$index*2+1]) { + my $url = $bookmarks[$index*2+1]; + my $name = $bookmarks[$index*2]; + $name =~ s/^LON\-CAPA\s+//; + + push(@{$resources},{'url' => $url, 'title' => $name}); + } + } +} # ---------------------------------------------------------------- Main Handler sub handler { my $r = shift; &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, - ['acts','catalogmode','mode']); - - # color scheme - my $fileclr = '#ffffe6'; - my $titleclr = '#ddffff'; + ['acts','mode','readfile','recover','bookmarks']); - $r->content_type('text/html'); + &Apache::loncommon::content_type($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') { + my $begincondition=''; + my $endcondition=''; + if (($env{'form.readfile'}) || ($env{'form.bookmarks'})) { + $begincondition='if (eval("document.forms.groupsort.include"+num+".checked")) {'; + $endcondition='}'; + } + if ($env{'form.mode'} eq 'simple' || $env{'form.mode'} eq '') { $finishimport=(< + my $js = < function insertRowInLastRow() { opener.insertrow(opener.maxrow); opener.addobj(opener.maxrow,'e&2'); } -function placeResourceInLastRow (title,url,linkflag) { - opener.newresource(opener.maxrow,2,opener.escape(title), - opener.escape(url),'false','normal'); +function placeResourceInLastRow (title,url,id,linkflag) { + opener.mostrecent=opener.newresource(opener.maxrow,2,opener.escape(title), + opener.escape(url),'false','normal',id); opener.save(); - opener.mostrecent=opener.obj.length-1; if (linkflag) { opener.joinres(opener.linkmode,opener.mostrecent,0); } @@ -130,229 +290,190 @@ function orderchange(val,newval) { document.forms.groupsort.submit(); } - - END - # read pertinent machine configuration my $domain = $r->dir_config('lonDefDomain'); $iconpath = $r->dir_config('lonIconsURL') . "/"; - my %shash; # sort order (key is resource location, value is sort order) - my %thash; # title (key is resource location, value is title) + my @resources; - my $diropendb; -# ------------------------------ which file do we open? Easy if explictly given - if ($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\_$ENV{'user.name'}_indexer.db"; - } - elsif ($ENV{'form.catalogmode'} eq 'groupsec') { - $diropendb = - "/home/httpd/perl/tmp/$domain\_$ENV{'user.name'}_groupsec.db"; - } -# --------------------- not explicitly given, choose the one most recently used - else { # choose last accessed - my @dbfn; - my @dbst; - - $dbfn[0] = - "/home/httpd/perl/tmp/$domain\_$ENV{'user.name'}_searchcat.db"; - $dbst[0]=-1; - if (-e $dbfn[0]) { - $dbst[0]=(stat($dbfn[0]))[9]; - } - $dbfn[1] = - "/home/httpd/perl/tmp/$domain\_$ENV{'user.name'}_indexer.db"; - $dbst[1]=-1; - if (-e $dbfn[1]) { - $dbst[1]=(stat($dbfn[1]))[9]; + if ($env{'form.readfile'}) { + &readfromfile($r,\@resources); + } elsif ($env{'form.bookmarks'}) { + &readfrombookmarks($r,\@resources); + } else { + &readfromdb($r,\@resources); + } + + my $ctr = 0; + my $clen = scalar(@resources); + my $title = ''; + if ($env{'form.recover'}) { + $title = 'Recover Removed Resources'; + } else { + $title = 'Sort Imported Resources'; + } + if ($env{'form.bookmarks'}) { + $title = 'Import Resources from Bookmarks'; + } + if (($clen > 1) || ($env{'form.readfile'}) || ($env{'form.bookmarks'})) { + my %lt=&Apache::lonlocal::texthash( + 'fin'=> 'Finalize order of resources', + 'ci' => 'Continue Import', + 'cs' => 'Continue Search', + 'fi' => 'Finish Import', + 're' => 'Recover Checked', + 'ip' => 'Import Checked', + 'ca' => 'Cancel', + 'co' => 'Change Order', + 'ti' => 'Title', + 'pa' => 'Path', + 'in' => 'Include' + ); + + $r->print(&Apache::loncommon::start_page($title, $js)); + $r->print('

'.&mt($title).'

'); + + $r->print(< + + + + + + + +END + + $r->print(&Apache::loncommon::inhibit_menu_check('input')); + # --- + + my $buttontext = $lt{'re'}; + if ($env{'form.bookmarks'}) { + $buttontext = $lt{'ip'} } - $dbfn[2] = - "/home/httpd/perl/tmp/$domain\_$ENV{'user.name'}_groupsec.db"; - $dbst[2]=-1; - if (-e $dbfn[2]) { - $dbst[2]=(stat($dbfn[2]))[9]; + if ($env{'form.recover'} || $env{'form.bookmarks'}) { + $r->print(<  + +END + } else { + # --- Continue Buttons + my $resurl = + &Apache::loncommon::escape_single(&Apache::loncommon::lastresurl()); + $r->print(<$lt{'fin'} +
+  +  +  + +
+
+END } -# Expand here for more modes -# .... - -# Okay, find most recent existing - my $newest=0; - my $diropendb=''; - for (my $i=0; $i<=$#dbfn; $i++) { - if ($dbst[$i]>$newest) { - $newest=$dbst[$i]; - $diropendb=$dbfn[$i]; + # Only display header if content exists + if ($clen > 0) { + $r->print(&Apache::loncommon::start_data_table() + .&Apache::loncommon::start_data_table_header_row()); + if (($env{'form.readfile'})) { + $r->print("$lt{'in'}\n"); + } else { + $r->print(''.$lt{'co'}.''."\n"); } + $r->print(''.$lt{'ti'}.''."\n"); + $r->print("$lt{'pa'}"); + $r->print(&Apache::loncommon::end_data_table_header_row()."\n"); + } else { + my $errtxt = ''; + if ($env{'form.recover'}) { + $errtxt = 'There are no resources to recover.'; + } else { + $errtxt = 'There are no resources to import.'; + } + if ($env{'form.bookmarks'}) { + $errtxt = 'There are no resources in your bookmarks to import.'; + } + $r->print('

'.&mt($errtxt).'

'); } - - } -# ----------------------------- 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}; - $thash{$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; - } - } - } - } } else { - $r->print('Unable to tie hash to db file'); - return OK; - } - 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("
"); - $r->print(<print(&Apache::loncommon::start_page(undef,$js, + {'only_body' => 1})); +# $r->print('

'.&mt($title).'

'); + $r->print(< + END + $r->print(&Apache::loncommon::inhibit_menu_check('input')); -# --- Expand here if "GO BACK" button desired - if ($ENV{'form.catalogmode'} eq 'groupimport') { - $r->print(<  -END } - if ($ENV{'form.catalogmode'} eq 'groupsearch') { + foreach my $resource (@resources) { + $ctr++; + my $iconname=&Apache::loncommon::icon($resource->{'url'}); + if (($clen > 1) || ($env{'form.readfile'}) || ($env{'form.bookmarks'})) { + $r->print(&Apache::loncommon::start_data_table_row() + .""); + if (($env{'form.readfile'}) || ($env{'form.bookmarks'})) { + $r->print(&checkbox($ctr-1)); + } else { + $r->print(&movers($clen,$ctr)); + } + } + $r->print(&hidden($ctr-1,$resource->{'title'},$resource->{'url'}, + $resource->{'id'})); + if (($clen > 1) || ($env{'form.readfile'}) || ($env{'form.bookmarks'})) { + $r->print(""); + unless (($env{'form.readfile'}) || ($env{'form.bookmarks'})) { + $r->print("". + &select_box($clen,$ctr). + ""); + } + $r->print(""); + $r->print(""); + $r->print(""); + $r->print($resource->{'title'}.$resource->{'notes'}."\n"); + $r->print($resource->{'url'}."" + .&Apache::loncommon::end_data_table_row() + ."\n"); + } + } + if (($clen > 1) || ($env{'form.readfile'}) || ($env{'form.bookmarks'})) { + if ($clen > 0) { + $r->print(&Apache::loncommon::end_data_table()); + } + $r->print(''); + } else { $r->print(<  + END -} -# --- + } + + $r->print(&Apache::loncommon::end_page()); - $r->print(<  - -END - $r->print("
"); - $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)); - $r->print(&hidden($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
"); - $r->print(< - -END return OK; } # --------------------------------------- Hidden values (returns scalar string) sub hidden { - my ($sel,$title,$filelink) = @_; - my $string = ''; + my ($sel,$title,$filelink,$id) = @_; + my $string = ''; + $filelink=~s|^/ext/|http://|; $string .= ''; + &escape($filelink).'" />'; + $string .= ''; return $string; } @@ -381,7 +502,7 @@ sub select_box { my $string; $string = ''.&mt('Include').''; +} + 1; __END__ + +=pod + +=head1 NAME + +Apache::groupsort.pm + +=head1 SYNOPSIS + +Implements a second phase of importing +multiple resources into the RAT. Allows for +reordering the sequence of resources + +This is part of the LearningOnline Network with CAPA project +described at http://www.lon-capa.org. + + +=head1 NOTABLE SUBROUTINES + +=over + +=item + +=back + +=cut +