--- loncom/interface/lonindexer.pm 2001/06/21 20:57:12 1.11
+++ loncom/interface/lonindexer.pm 2009/02/11 15:40:33 1.188
@@ -1,46 +1,100 @@
# 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)
-# 11/23 Gerd Kortemeyer
-# 07/20-08/04 H.K. Ng
-#
-# 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
+#
+# $Id: lonindexer.pm,v 1.188 2009/02/11 15:40:33 jms 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/
+#
+###
+
+###############################################################################
+## ##
+## 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::lonnet;
+use Apache::loncommon();
+use Apache::lonhtmlcommon();
+use Apache::lonsequence();
use Apache::Constants qw(:common);
+use Apache::lonmeta;
use Apache::File;
+use Apache::lonlocal;
+use Apache::lonsource();
+use Apache::groupsort();
use GDBM_File;
+use LONCAPA qw(:match);
+
+# ---------------------------------------- variables used throughout the module
+my %hash; # global 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
+my %dynhash; # hash of hashes for dynamic metadata
+my %dynread; # hash of directories already read for dynamic metadata
+my %fieldnames; # Metadata fieldnames
+# ----- 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
+
+# ----- Used to include or exclude files with certain extensions.
+my @Only = ();
+my @Omit = ();
-my %hash;
-my %dirs;
-my %language;
-my $hidden;
-my $extrafield;
-my $fnum;
-sub BEGIN {
- my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.'/language.tab');
- map {
- $_=~/(\w+)\s+([\w\s\-]+)/;
- $language{$1}=$2;
- } <$fh>;
-}
+
+
+# ----------------------------- Handling routine called via Apache and mod_perl
sub handler {
my $r = shift;
- $r->content_type('text/html');
+ my $c = $r->connection();
+ &Apache::loncommon::content_type($r,'text/html');
+ &Apache::loncommon::no_cache($r);
$r->send_http_header;
return OK if $r->header_only;
$fnum=0;
+ $dnum=0;
+
+ # Deal with stupid global variables (is there a way around making
+ # these global to this package? It is just so wrong....)
+ undef (@Only);
+ undef (@Omit);
+ %fieldnames=&Apache::lonmeta::fieldnames();
+
+# ------------------------------------- read in machine configuration variables
my $iconpath= $r->dir_config('lonIconsURL') . "/";
my $domain = $r->dir_config('lonDefDomain');
my $role = $r->dir_config('lonRole');
@@ -50,198 +104,499 @@ sub handler {
my $lonhost = $r->dir_config('lonHostID');
my $tabdir = $r->dir_config('lonTabDir');
- my $fileclr='#ffffe6';
-# -------------------------------------- see if called from an interactive mode
- map {
- my ($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}=$value;
- }
- } (split(/&/,$ENV{'QUERY_STRING'}));
+#SB my $fileclr='#ffffe6';
+ my $line;
+ my (@attrchk,@openpath,$typeselect);
+ my $uri=$r->uri;
- $hidden=''; my $closebutton='';
+# -------------------------------------- see if called from an interactive mode
+ # Get the parameters from the query string
+ &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+ ['catalogmode','launch','acts','mode','form','element',
+ 'only','omit','titleelement']);
+ #-------------------------------------------------------------------
+ my $closebutton='';
my $groupimportbutton='';
my $colspan='';
- if ($ENV{'form.catalogmode'} eq 'interactive') {
- $extrafield='
';
+ $colspan=" colspan='2' ";
+ my $cl=&mt('Close');
+ my $gi=&mt('Import');
+ $closebutton=<
+END
+ $groupimportbutton=<
+END
+ }
+ # Additions made by Matthew to make the browser a little easier to deal
+ # with in the future.
+ #
+ # $mode (at this time) indicates if we are in edit mode.
+ # $form is the name of the form that the URL is placed when the
+ # selection is made.
+ # $element is the name of the element in $formname which receives
+ # the URL.
+ #&Apache::lonxml::debug('Checking mode, form, element');
+ &setvalues(\%hash,'form.mode' ,\%env,'form.mode' );
+ &setvalues(\%hash,'form.form' ,\%env,'form.form' );
+ &setvalues(\%hash,'form.element' ,\%env,'form.element');
+ &setvalues(\%hash,'form.titleelement',\%env,'form.titleelement');
+ &setvalues(\%hash,'form.only' ,\%env,'form.only' );
+ &setvalues(\%hash,'form.omit' ,\%env,'form.omit' );
+
+ # Deal with 'omit' and 'only'
+ if (exists $env{'form.omit'}) {
+ @Omit = split(',',$env{'form.omit'});
+ }
+ if (exists $env{'form.only'}) {
+ @Only = split(',',$env{'form.only'});
+ }
+
+ my $mode = $env{'form.mode'};
+ my ($form,$element,$titleelement);
+ if ($mode eq 'edit' || $mode eq 'parmset') {
+ $form = $env{'form.form'};
+ $element = $env{'form.element'};
+ $titleelement = $env{'form.titleelement'};
+ }
+ #&Apache::lonxml::debug("mode=$mode form=$form element=$element titleelement=$titleelement");
+# ------ set catalogmodefunctions to have extra needed javascript functionality
+ my $catalogmodefunctions='';
+ if ($env{'form.catalogmode'} eq 'interactive' or
+ $env{'form.catalogmode'} eq 'import') {
+ # The if statement below sets us up to use the old version
+ # by default (ie. if $mode is undefined). This is the easy
+ # way out. Hopefully in the future I'll find a way to get
+ # the calls dealt with in a more comprehensive manner.
- my $catalogmodefunctions='';
- if ($ENV{'form.catalogmode'} eq 'interactive' or
- $ENV{'form.catalogmode'} eq 'groupimport') {
- $catalogmodefunctions=<print(<
-
-The LearningOnline Network With CAPA Directory Browser
-
-
-
-
-
+function gothere(val) {
+ window.location=val+'?acts='+document.forms.fileattr.acts.value$inhibit_menu;
+}
+
ENDHEADER
- my $line;
- my (@attrchk,@openpath);
- my $uri=$r->uri;
-
- $r->print("
The LearningOnline With CAPA Network Directory Browser
\n");
-
- my $diropendb = "/home/httpd/perl/tmp/$domain\_$ENV{'user.name'}_indexer.db";
-
- if (tie(%hash,'GDBM_File',$diropendb,&GDBM_WRCREAT,0640)) {
+ my ($headerdom)=($uri=~m{^/res/($match_domain)/});
+ $r->print(&Apache::loncommon::start_page('Browse Resources',$js,
+ {'domain' => $headerdom,}));
+# ---------------------------------- get state of file types to be showing
+ if ($env{'form.only'}) {
+ $typeselect = $env{'form.only'};
+ } else {
+ $typeselect = '';
+ }
- if ($ENV{'form.attrs'} ne "") {
- for (my $i=0; $i<=5; $i++) {
+# ---------------------------------- get state of file attributes to be showing
+ if ($env{'form.attrs'}) {
+ for (my $i=0; $i<=14; $i++) {
delete $hash{'display_attrs_'.$i};
- if ($ENV{'form.attr'.$i} == 1) {
- $attrchk[$i] = "checked";
+ if ($env{'form.attr'.$i} == 1) {
+ $attrchk[$i] = 'checked';
$hash{'display_attrs_'.$i} = 1;
}
}
} else {
- for (my $i=0; $i<=5; $i++) {
- $attrchk[$i] = "checked" if $hash{'display_attrs_'.$i} == 1;
+ for (my $i=0; $i<=14; $i++) {
+ $attrchk[$i] = 'checked' if $hash{'display_attrs_'.$i} == 1;
+ }
+ }
+
+# ------------------------------- output state of file attributes to be showing
+# All versions has to the last item
+# since it does not take an extra col
+ my %lt=&Apache::lonlocal::texthash(
+ 'ti' => 'Title',
+ 'si' => 'Size',
+ 'la' => 'Last access',
+ 'lm' => 'Last modified',
+ 'st' => 'Statistics',
+ 'au' => 'Author',
+ 'kw' => 'Keywords',
+ 'sb' => 'Subject',
+ 'nt' => 'Notes',
+ 'ab' => 'Abstract',
+ 'ln' => 'Language',
+ 'sa' => 'Source Available',
+ 'sr' => 'Show resource',
+ 'li' => 'Linked/Related Resources',
+ 'av' => 'All versions',
+ 'ud' => 'Update Display',
+ 'pr' => 'Problems',
+ 'gr' => 'Graphics',
+ 'at' => 'All types',
+ 'hd' => 'Display Options'
+ );
+ $r->print(<
+
+
