# The LearningOnline Network with CAPA # The LON-CAPA group sort handler # Allows for sorting prior to import into RAT. # # $Id: groupsort.pm,v 1.4 2001/12/11 03:19:16 harris41 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/ # # YEAR=2001 # 8/7,8/8,10/14,10/15,12/10 Scott Harrison # ### package Apache::groupsort; use strict; use Apache::Constants qw(:common); use GDBM_File; my %hash; # variable to tie to user specific database my $iconpath; # variable to be accessible to multiple subroutines # ---------------------------------------------------------------- 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; # 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 = $r->dir_config('lonIconsURL') . "/"; my %shash; # sort order (key is resource location, value is sort order) my %thash; # title (key is resource location, value is title) map { my ($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'})); 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\_$ENV{'user.name'}_indexer.db"; } if (tie(%hash,'GDBM_File',$diropendb,&GDBM_WRCREAT,0640)) { my $acts = $ENV{'form.acts'}; my @Acts = split(/b/,$acts); my %ahash; my %achash; my $ac = 0; map { my ($state,$ref) = split(/a/); $ahash{$ref} = $state; $achash{$ref} = $ac; $ac++; } (@Acts); map { 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_'.$key.'_link'}}; } } } sort {$achash{$a} <=> $achash{$b}} (keys %ahash); map { if ($_ =~ /^store_/) { my $key = $_; $key =~ s/^store_//; $shash{$key} = $hash{'storectr_'.$key}; $thash{$key} = $hash{'store_'.$key}; } } keys %hash; if ($ENV{'form.oldval'}) { my $newctr = 0; my %chash; map { my $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 = $ENV{'form.newval'}; if ($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("
"); $r->print(< END if ($ENV{'form.catalogmode'} eq 'groupimport') { $r->print(<  END } if ($ENV{'form.catalogmode'} eq 'groupsearch') { $r->print(<  END } $r->print(<  END $r->print("
"); $r->print("\n"); $r->print("". "\n"); $r->print("\n"); $r->print("\n"); map { 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("
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 = ''; $string .= ''; return $string; } # --------------------------------------- Moving arrows (returns scalar string) sub movers { my ($total,$sel) = @_; my $dsel = $sel-1; my $usel = $sel+1; $usel = 1 if $usel > $total; $dsel = $total if $dsel < 1; my $string; $string = (< UP DOWN END return $string; } # ------------------------------------------ Select box (returns scalar string) sub select_box { my ($total,$sel) = @_; my $string; $string = '