--- loncom/interface/groupsort.pm 2001/10/16 17:07:25 1.3 +++ loncom/interface/groupsort.pm 2006/06/19 09:40:17 1.44 @@ -1,11 +1,32 @@ # The LearningOnline Network with CAPA -# # The LON-CAPA group sort handler -# # Allows for sorting prior to import into RAT. # -# YEAR=2001 -# 8/7,8/8,10/14,10/15 Scott Harrison +# $Id: groupsort.pm,v 1.44 2006/06/19 09:40:17 www Exp $ +# +# Copyright Michigan State University Board of Trustees +# +# This file is part of the LearningOnline Network with CAPA (LON-CAPA). +# +# LON-CAPA is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# LON-CAPA is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LON-CAPA; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# /home/httpd/html/adm/gpl.txt +# +# http://www.lon-capa.org/ +# +### package Apache::groupsort; @@ -13,113 +34,36 @@ 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 -# ---------------------------------------------------------------- Main Handler -sub handler { - my $r = shift; - - # color scheme - my $fileclr = '#ffffe6'; - my $titleclr = '#ddffff'; - $r->content_type('text/html'); - $r->send_http_header; - return OK if $r->header_only; +sub readfromdb { + my ($r,$shash,$thash)=@_; - # output start of web page - $r->print(< - -The LearningOnline Network With CAPA Group Sorter - - - -END - - # read pertinent machine configuration - my $domain = $r->dir_config('lonDefDomain'); - $iconpath = $r->dir_config('lonIconsURL') . "/"; my $diropendb = - "/home/httpd/perl/tmp/$domain\_$ENV{'user.name'}_indexer.db"; + "/home/httpd/perl/tmp/$env{'user.domain'}_$env{'user.name'}_sel_res.db"; - my %shash; # sort order (key is resource location, value is sort order) - my %thash; # title (key is resource location, value is title) - map { - my ($name, $value) = split(/=/,$_); - $value =~ tr/+/ /; - $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; - if ($name eq 'acts') { - $ENV{'form.'.$name}=$value; - } - if ($name eq 'catalogmode') { - $ENV{'form.'.$name}=$value; - } - } (split(/&/,$ENV{'QUERY_STRING'})); - if (tie(%hash,'GDBM_File',$diropendb,&GDBM_WRCREAT,0640)) { - my $acts = $ENV{'form.acts'}; +# ----------------------------- diropendb is now the filename of the db to open + if (tie(%hash,'GDBM_File',$diropendb,&GDBM_WRCREAT(),0640)) { + my $acts = $env{'form.acts'}; my @Acts = split(/b/,$acts); my %ahash; my %achash; my $ac = 0; - map { + foreach (@Acts) { my ($state,$ref) = split(/a/); $ahash{$ref} = $state; $achash{$ref} = $ac; $ac++; - } (@Acts); - map { + } + foreach (sort {$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'}} = @@ -131,123 +75,354 @@ END delete $hash{'store_'.$hash{'pre_'.$key.'_link'}}; } } - } sort {$achash{$a} <=> $achash{$b}} (keys %ahash); - map { + } + foreach (keys %hash) { if ($_ =~ /^store_/) { my $key = $_; $key =~ s/^store_//; - $shash{$key} = $hash{'storectr_'.$key}; - $thash{$key} = $hash{'store_'.$key}; + $$shash{$key} = $hash{'storectr_'.$key}; + if (&Apache::lonnet::gettitle($key) eq '') { + $$thash{$key} = $hash{'store_'.$key}; + } else { + $$thash{$key} = &Apache::lonnet::gettitle($key); + } } - } keys %hash; - if ($ENV{'form.oldval'}) { + } + if ($env{'form.oldval'}) { my $newctr = 0; my %chash; - map { + foreach (sort {$$shash{$a} <=> $$shash{$b}} (keys %{$shash})) { my $key = $_; $newctr++; - $shash{$key} = $newctr; + $$shash{$key} = $newctr; $hash{'storectr_'.$key} = $newctr; $chash{$newctr} = $key; - } sort {$shash{$a} <=> $shash{$b}} (keys %shash); - my $oldval = $ENV{'form.oldval'}; - my $newval = $ENV{'form.newval'}; + } + 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; + $$shash{$chash{$oldval}} = $newval; $hash{'storectr_'.$chash{$oldval}} = $newval; - } - else { - $shash{$chash{$oldval}} = $newctr; + } else { + $$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; + $$shash{$chash{$idx+1}} = $idx; $hash{'storectr_'.$chash{$idx+1}} = $idx; } - delete $shash{$chash{$oldval}}; + delete $$shash{$chash{$oldval}}; delete $hash{'storectr_'.$chash{$oldval}}; delete $hash{'store_'.$chash{$oldval}}; - } - elsif ($oldval < $newval) { # push down + } elsif ($oldval < $newval) { # push down for my $idx ($oldval..($newval-1)) { - $shash{$chash{$idx+1}} = $idx; + $$shash{$chash{$idx+1}} = $idx; $hash{'storectr_'.$chash{$idx+1}} = $idx; } - } - elsif ($oldval > $newval) { # push up + } elsif ($oldval > $newval) { # push up for my $idx (reverse($newval..($oldval-1))) { - $shash{$chash{$idx}} = $idx+1; + $$shash{$chash{$idx}} = $idx+1; $hash{'storectr_'.$chash{$idx}} = $idx+1; } } } } } else { - $r->print('Unable to tie hash to db file'); - return OK; + $r->print('Unable to tie hash to db file'); } untie %hash; + return ($shash,$thash); +} + + + +sub cleanup { + if (tied(%hash)){ + &Apache::lonnet::logthis('Cleanup groupsort: hash'); + unless (untie(%hash)) { + &Apache::lonnet::logthis('Failed cleanup groupsort: hash'); + } + } + return OK; +} + +# -------------------------------------------------------------- Read from file + +sub readfromfile { + my ($r,$shash,$thash,$nhash)=@_; + 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; + my $n=1; + while ($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 $url=$token->[2]->{'src'}; + my $name=$token->[2]->{'title'}; + $name=~s/ \[\((\d+)\,(\w+)\,(\w+)\)\]$//; + if ($1) { + $$nhash{$url}='
'.&mt('Removed by '). + &Apache::loncommon::plainname($2,$3).', '. + &Apache::lonlocal::locallocaltime($1); + } + $name=~s/\&colon\;/\:/g; + $$thash{$url}=$name; + $$shash{$url}=$n; + $n++; + } + } + } + } + return ($shash,$thash); +} + +# --------------------------------------------------------- Read from bookmarks + +sub readfrombookmarks { + my ($r,$shash,$thash)=@_; + 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); + my $order=1; + for (my $index=0;$index<($#bookmarks+1)/2;$index++) { + if ($bookmarks[$index*2+1]) { + $$thash{$bookmarks[$index*2+1]}=$bookmarks[$index*2]; + $$thash{$bookmarks[$index*2+1]}=~s/^LON\-CAPA\s+//; + $$shash{$bookmarks[$index*2+1]}=$order; + $order++; + } + } + return ($shash,$thash); +} + +# ---------------------------------------------------------------- Main Handler +sub handler { + my $r = shift; + + &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, + ['acts','mode','readfile','recover','bookmarks']); + # color scheme + my $fileclr = '#ffffe6'; + my $titleclr = '#ddffff'; + + &Apache::loncommon::content_type($r,'text/html'); + $r->send_http_header; + return OK if $r->header_only; + +# finish_import looks different for graphical or "simple" RAT + my $finishimport=''; + 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=(< +END + # read pertinent machine configuration + my $domain = $r->dir_config('lonDefDomain'); + $iconpath = $r->dir_config('lonIconsURL') . "/"; + + my %shash; # sort order (key is resource location, value is sort order) + my %thash; # title (key is resource location, value is title) + my %nhash; # notes (key is resource location); + + if ($env{'form.readfile'}) { + &readfromfile($r,\%shash,\%thash,\%nhash); + } elsif ($env{'form.bookmarks'}) { + &readfrombookmarks($r,\%shash,\%thash); + } else { + &readfromdb($r,\%shash,\%thash); + } + 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("
"); - $r->print(< 1) || ($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', + 'ca' => 'Cancel', + 'co' => 'Change Order', + 'ti' => 'Title', + 'pa' => 'Path', + 'in' => 'Include' + ); + $r->print(&Apache::loncommon::start_page('Sort Imported Resources', + $js)); + $r->print(<$lt{'fin'} + + + + + END - if ($ENV{'form.catalogmode'} eq 'groupimport') { - $r->print(<  + + # --- Continue Buttons + my $resurl = &Apache::loncommon::lastresurl(); + $r->print(<  +  END - } - if ($ENV{'form.catalogmode'} eq 'groupsearch') { + # --- + $r->print(<  -END -} - $r->print(<  - + END - $r->print(""); + unless (($env{'form.readfile'}) || ($env{'form.bookmarks'})) { + $r->print(""); + } + $r->print("\n"); + } + } + if (($clen > 1) || ($env{'form.readfile'}) || ($env{'form.bookmarks'})) { + $r->print("
"); - $r->print("\n"); - $r->print("". - "\n"); - $r->print("\n"); - $r->print("\n"); - map { + $r->print("
Change orderTitlePath
"); + $r->print("\n"); + if (($env{'form.readfile'}) || ($env{'form.bookmarks'})) { + $r->print("\n"); + } else { + $r->print("\n"); + } + $r->print("\n"); + $r->print("\n"); + } else { + $r->print(&Apache::loncommon::start_page(undef,$js, + {'only_body' => 1})); + $r->print(< + + + + +END + } + foreach (sort {$shash{$a}<=>$shash{$b}} (keys %shash)) { my $key=$_; $ctr++; - my @file_ext = split(/\./,$key); - my $curfext = $file_ext[scalar(@file_ext)-1]; - $r->print("\n"); - } sort {$shash{$a}<=>$shash{$b}} (keys %shash); - $r->print("
$lt{'in'}$lt{'co'}$lt{'ti'}$lt{'pa'}
"); - $r->print(&movers($clen,$ctr)); + my $iconname=&Apache::loncommon::icon($key); + if (($clen > 1) || ($env{'form.readfile'}) || ($env{'form.bookmarks'})) { + $r->print("
"); + if (($env{'form.readfile'}) || ($env{'form.bookmarks'})) { + $r->print(&checkbox($ctr-1)); + } else { + $r->print(&movers($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
"); - $r->print(< - + if (($clen > 1) || ($env{'form.readfile'}) || ($env{'form.bookmarks'})) { + $r->print("		". + &select_box($clen,$ctr). + ""); + $r->print(""); + $r->print(""); + $r->print("$thash{$key}$nhash{$key}\n"); + $r->print("$key
"); + } else { + $r->print(< + finish_import(); + END + } + + $r->print(&Apache::loncommon::end_page()); + return OK; } @@ -286,7 +461,7 @@ sub select_box { my $string; $string = ''.&mt('Include').''; +} + 1; __END__