--- loncom/interface/lonindexer.pm 2001/08/08 03:00:11 1.16
+++ loncom/interface/lonindexer.pm 2002/01/17 14:02:47 1.33
@@ -1,47 +1,86 @@
# The LearningOnline Network with CAPA
-#
# Directory Indexer
-# (Login Screen
#
-# 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14 Gerd Kortemeyer)
+# $Id: lonindexer.pm,v 1.33 2002/01/17 14:02:47 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=1999
+# 5/21/99, 5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14 Gerd Kortemeyer)
# 11/23 Gerd Kortemeyer
+# YEAR=2000
# 07/20-08/04 H.K. Ng
-#
+# YEAR=2001
# 05/9-05/19/2001 H. K. Ng
# 05/21/2001 H. K. Ng
# 05/23/2001 H. K. Ng
-# 05/31/2001 Scott Harrison
-# 06/01/2001 Scott Harrison
-# 06/02/2001 Scott Harrison
-# 06/15/2001 Scott Harrison
-# 06/26/2001 H. K. Ng
-# 07/08/2001 H. K. Ng
-# 8/6,8/7 Scott Harrison
+# 5/31,6/1,6/2,6/15 Scott Harrison
+# 6/26,7/8 H. K. Ng
+# 8/6,8/7,8/10 Scott Harrison
+# 8/14 H. K. Ng
+# 8/28,10/15,11/28,11/29 Scott Harrison
+# 11/30 Matthew Hall
+# 12/11,12/13 Scott Harrison
+# YEAR=2002
+# 1/17 Scott Harrison
+#
+###
+
+###############################################################################
+## ##
+## ORGANIZATION OF THIS PERL MODULE ##
+## ##
+## 1. Description of functions ##
+## 2. Modules used by this module ##
+## 3. Choices for different output views (detailed, summary, xml, etc) ##
+## 4. BEGIN block (to be run once after compilation) ##
+## 5. Handling routine called via Apache and mod_perl ##
+## 6. Other subroutines ##
+## ##
+###############################################################################
package Apache::lonindexer;
+# ------------------------------------------------- modules used by this module
use strict;
use Apache::lonnet();
+use Apache::loncommon();
use Apache::Constants qw(:common);
use Apache::File;
use GDBM_File;
-my %hash;
-my %dirs;
-my %language;
-my $hidden;
-my $extrafield;
-my $fnum;
-my $dnum;
-sub BEGIN {
- my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.
- '/language.tab');
- map {
- $_=~/(\w+)\s+([\w\s\-]+)/;
- $language{$1}=$2;
- } <$fh>;
-}
+# ---------------------------------------- variables used throughout the module
+my %hash; # tied to a user-specific gdbm file
+my %dirs; # keys are directories, values are the open/close status
+my %language; # has the reference information present in language.tab
+
+# ----- Values which are set by the handler subroutine and are accessible to
+# ----- other methods.
+my $extrafield; # default extra table cell
+my $fnum; # file counter
+my $dnum; # directory counter
+# ----------------------------- Handling routine called via Apache and mod_perl
sub handler {
my $r = shift;
$r->content_type('text/html');
@@ -49,6 +88,9 @@ sub handler {
return OK if $r->header_only;
$fnum=0;
$dnum=0;
+ untie %hash;
+
+# ------------------------------------- read in machine configuration variables
my $iconpath= $r->dir_config('lonIconsURL') . "/";
my $domain = $r->dir_config('lonDefDomain');
my $role = $r->dir_config('lonRole');
@@ -64,44 +106,22 @@ sub handler {
my $uri=$r->uri;
# -------------------------------------- see if called from an interactive mode
-# foreach my $key (sort(keys(%ENV))) {
-# $r->print("$key is $ENV{$key}
");
-# }
-# $r->print("END ENV");
- map {
- my ($name, $value) = split(/=/,$_);
- $value =~ tr/+/ /;
- $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
- if ($name eq 'catalogmode') {
- $ENV{'form.'.$name}=$value;
- }
- if ($name eq 'launch') {
- $ENV{'form.'.$name}=$value;
- }
- if ($name eq 'acts') {
- $ENV{'form.'.$name}=$value;
- }
- } (split(/&/,$ENV{'QUERY_STRING'}));
+ &get_unprocessed_cgi();
- $hidden=''; my $closebutton='';
+ my $closebutton='';
my $groupimportbutton='';
my $colspan='';
$extrafield='';
- my $diropendb = "/home/httpd/perl/tmp/$domain\_$ENV{'user.name'}_indexer.db";
+ my $diropendb =
+ "/home/httpd/perl/tmp/$domain\_$ENV{'user.name'}_indexer.db";
if (tie(%hash,'GDBM_File',$diropendb,&GDBM_WRCREAT,0640)) {
if ($ENV{'form.launch'} eq '1') {
- delete $hash{'mode_catalog'};
- map {
- if ($_ =~ /^pre_/) {
- delete $hash{$_};
- }
- if ($_ =~ /^store/) {
- delete $hash{$_};
- }
- } keys %hash;
+ &start_fresh_session();
}
+
+# -------------------- refresh environment with user database values (in %hash)
if ($hash{'mode_catalog'} eq 'interactive') {
$ENV{'form.catalogmode'}='interactive';
}
@@ -109,15 +129,13 @@ sub handler {
$ENV{'form.catalogmode'}='groupimport';
}
+# --------------------- define extra fields and buttons in case of special mode
if ($ENV{'form.catalogmode'} eq 'interactive') {
$hash{'mode_catalog'}='interactive';
$extrafield='