--- loncom/interface/loncommon.pm 2003/10/24 13:35:37 1.134
+++ loncom/interface/loncommon.pm 2006/01/09 20:38:52 1.302
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# a pile of common routines
#
-# $Id: loncommon.pm,v 1.134 2003/10/24 13:35:37 matthew Exp $
+# $Id: loncommon.pm,v 1.302 2006/01/09 20:38:52 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -25,13 +25,6 @@
#
# http://www.lon-capa.org/
#
-# YEAR=2001
-# 2/13-12/7 Guy Albertelli
-# 12/21 Gerd Kortemeyer
-# 12/25,12/28 Gerd Kortemeyer
-# YEAR=2002
-# 1/4 Gerd Kortemeyer
-# 6/24,7/2 H. K. Ng
# Makes a table out of the previous attempts
# Inputs result_from_symbread, user, domain, course_id
@@ -62,26 +55,25 @@ redundancy from other modules and increa
package Apache::loncommon;
use strict;
-use Apache::lonnet();
+use Apache::lonnet;
use GDBM_File;
use POSIX qw(strftime mktime);
use Apache::Constants qw(:common :http :methods);
-use Apache::lonmsg();
use Apache::lonmenu();
use Apache::lonlocal;
+use HTML::Entities;
my $readit;
-=pod
-
-=head1 Global Variables
-
-=cut
+##
+## Global Variables
+##
# ----------------------------------------------- Filetypes/Languages/Copyright
my %language;
my %supported_language;
my %cprtag;
+my %scprtag;
my %fe; my %fd;
my %category_extensions;
@@ -90,50 +82,19 @@ my %category_extensions;
my %designhash;
# ---------------------------------------------- Thesaurus variables
-
-# FIXME: I don't think it's necessary to document these things;
-# they're privately used - Jeremy
-
-=pod
-
-=over 4
-
-=item * %Keywords
-
-A hash used by &keyword to determine if a word is considered a keyword.
-
-=item * $thesaurus_db_file
-
-Scalar containing the full path to the thesaurus database.
-
-=back
-
-=cut
+#
+# %Keywords:
+# A hash used by &keyword to determine if a word is considered a keyword.
+# $thesaurus_db_file
+# Scalar containing the full path to the thesaurus database.
my %Keywords;
my $thesaurus_db_file;
-# ----------------------------------------------------------------------- BEGIN
-
-# FIXME: I don't think this needs to be documented, it prepares
-# private data structures - Jeremy
-=pod
-
-=head1 General Subroutines
-
-=over 4
-
-=item * BEGIN()
-
-Initialize values from language.tab, copyright.tab, filetypes.tab,
-thesaurus.tab, and filecategories.tab.
-
-=back
-
-=cut
-
-# ----------------------------------------------------------------------- BEGIN
-
+#
+# Initialize values from language.tab, copyright.tab, filetypes.tab,
+# thesaurus.tab, and filecategories.tab.
+#
BEGIN {
# Variable initialization
$thesaurus_db_file = $Apache::lonnet::perlvar{'lonTabDir'}."/thesaurus.db";
@@ -141,32 +102,48 @@ BEGIN {
unless ($readit) {
# ------------------------------------------------------------------- languages
{
- my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.
- '/language.tab');
- if ($fh) {
- while (<$fh>) {
- next if /^\#/;
- chomp;
- my ($key,$two,$country,$three,$enc,$val,$sup)=(split(/\t/,$_));
- $language{$key}=$val.' - '.$enc;
- if ($sup) {
- $supported_language{$key}=$sup;
- }
- }
- }
+ my $langtabfile = $Apache::lonnet::perlvar{'lonTabDir'}.
+ '/language.tab';
+ if ( open(my $fh,"<$langtabfile") ) {
+ while (<$fh>) {
+ next if /^\#/;
+ chomp;
+ my ($key,$two,$country,$three,$enc,$val,$sup)=(split(/\t/,$_));
+ $language{$key}=$val.' - '.$enc;
+ if ($sup) {
+ $supported_language{$key}=$sup;
+ }
+ }
+ close($fh);
+ }
}
# ------------------------------------------------------------------ copyrights
{
- my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonIncludes'}.
- '/copyright.tab');
- if ($fh) {
- while (<$fh>) {
- next if /^\#/;
- chomp;
- my ($key,$val)=(split(/\s+/,$_,2));
- $cprtag{$key}=$val;
- }
- }
+ my $copyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
+ '/copyright.tab';
+ if ( open (my $fh,"<$copyrightfile") ) {
+ while (<$fh>) {
+ next if /^\#/;
+ chomp;
+ my ($key,$val)=(split(/\s+/,$_,2));
+ $cprtag{$key}=$val;
+ }
+ close($fh);
+ }
+ }
+# ------------------------------------------------------------------ source copyrights
+ {
+ my $sourcecopyrightfile = $Apache::lonnet::perlvar{'lonIncludes'}.
+ '/source_copyright.tab';
+ if ( open (my $fh,"<$sourcecopyrightfile") ) {
+ while (<$fh>) {
+ next if /^\#/;
+ chomp;
+ my ($key,$val)=(split(/\s+/,$_,2));
+ $scprtag{$key}=$val;
+ }
+ close($fh);
+ }
}
# -------------------------------------------------------------- domain designs
@@ -175,18 +152,20 @@ BEGIN {
my $designdir=$Apache::lonnet::perlvar{'lonTabDir'}.'/lonDomColors';
opendir(DIR,$designdir);
while ($filename=readdir(DIR)) {
+ if ($filename!~/\.tab$/) { next; }
my ($domain)=($filename=~/^(\w+)\./);
- {
- my $fh=Apache::File->new($designdir.'/'.$filename);
- if ($fh) {
- while (<$fh>) {
- next if /^\#/;
- chomp;
- my ($key,$val)=(split(/\=/,$_));
- if ($val) { $designhash{$domain.'.'.$key}=$val; }
+ {
+ my $designfile = $designdir.'/'.$filename;
+ if ( open (my $fh,"<$designfile") ) {
+ while (<$fh>) {
+ next if /^\#/;
+ chomp;
+ my ($key,$val)=(split(/\=/,$_));
+ if ($val) { $designhash{$domain.'.'.$key}=$val; }
+ }
+ close($fh);
}
}
- }
}
closedir(DIR);
@@ -194,32 +173,35 @@ BEGIN {
# ------------------------------------------------------------- file categories
{
- my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.
- '/filecategories.tab');
- if ($fh) {
- while (<$fh>) {
- next if /^\#/;
- chomp;
- my ($extension,$category)=(split(/\s+/,$_,2));
- push @{$category_extensions{lc($category)}},$extension;
- }
- }
+ my $categoryfile = $Apache::lonnet::perlvar{'lonTabDir'}.
+ '/filecategories.tab';
+ if ( open (my $fh,"<$categoryfile") ) {
+ while (<$fh>) {
+ next if /^\#/;
+ chomp;
+ my ($extension,$category)=(split(/\s+/,$_,2));
+ push @{$category_extensions{lc($category)}},$extension;
+ }
+ close($fh);
+ }
+
}
# ------------------------------------------------------------------ file types
{
- my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.
- '/filetypes.tab');
- if ($fh) {
+ my $typesfile = $Apache::lonnet::perlvar{'lonTabDir'}.
+ '/filetypes.tab';
+ if ( open (my $fh,"<$typesfile") ) {
while (<$fh>) {
- next if (/^\#/);
- chomp;
- my ($ending,$emb,$descr)=split(/\s+/,$_,3);
- if ($descr ne '') {
- $fe{$ending}=lc($emb);
- $fd{$ending}=$descr;
- }
- }
- }
+ next if (/^\#/);
+ chomp;
+ my ($ending,$emb,$descr)=split(/\s+/,$_,3);
+ if ($descr ne '') {
+ $fe{$ending}=lc($emb);
+ $fd{$ending}=$descr;
+ }
+ }
+ close($fh);
+ }
}
&Apache::lonnet::logthis(
"INFO: Read file types");
@@ -245,8 +227,6 @@ containing javascript with two functions
C. Returned string does not contain EscriptE
tags.
-=over 4
-
=item * openbrowser(formname,elementname,only,omit) [javascript]
inputs: formname, elementname, only, omit
@@ -255,10 +235,10 @@ formname and elementname indicate the na
the element that the results of the browsing selection are to be placed in.
Specifying 'only' will restrict the browser to displaying only files
-with the given extension. Can be a comma seperated list.
+with the given extension. Can be a comma separated list.
Specifying 'omit' will restrict the browser to NOT displaying files
-with the given extension. Can be a comma seperated list.
+with the given extension. Can be a comma separated list.
=item * opensearcher(formname, elementname) [javascript]
@@ -267,43 +247,59 @@ Inputs: formname, elementname
formname and elementname specify the name of the html form and the name
of the element the selection from the search results will be placed in.
-=back
-
=cut
sub browser_and_searcher_javascript {
+ my ($mode)=@_;
+ if (!defined($mode)) { $mode='edit'; }
+ my $resurl=&lastresurl();
return <
END
}
+sub lastresurl {
+ if ($env{'environment.lastresurl'}) {
+ return $env{'environment.lastresurl'}
+ } else {
+ return '/res';
+ }
+}
+
+sub storeresurl {
+ my $resurl=&Apache::lonnet::clutter(shift);
+ unless ($resurl=~/^\/res/) { return 0; }
+ $resurl=~s/\/$//;
+ &Apache::lonnet::put('environment',{'lastresurl' => $resurl});
+ &Apache::lonnet::appenv('environment.lastresurl' => $resurl);
+ return 1;
+}
+
sub studentbrowser_javascript {
unless (
- (($ENV{'request.course.id'}) &&
- (&Apache::lonnet::allowed('srm',$ENV{'request.course.id'})))
- || ($ENV{'request.role'}=~/^(au|dc|su)/)
+ (($env{'request.course.id'}) &&
+ (&Apache::lonnet::allowed('srm',$env{'request.course.id'})
+ || &Apache::lonnet::allowed('srm',$env{'request.course.id'}.
+ '/'.$env{'request.course.sec'})
+ ))
+ || ($env{'request.role'}=~/^(au|dc|su)/)
) { return ''; }
return (<<'ENDSTDBRW');
+
+ENDTEMPLATE
+ if ($component_help) {
+ if (!$text) {
+ $template=&help_open_topic($component_help,undef,$stayOnPage,
+ $width,$height).' '.$template;
+ } else {
+ my $help_text;
+ $help_text=&Apache::lonnet::unescape($topic);
+ $template='