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R3600/config/cdsnavtrail.wml
9ef913629b83maint-2.1

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cdsnavtrail.wml
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## $Id$
## CDS Invenio navigation trail generation.
## This file is part of CDS Invenio.
## Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 CERN.
##
## CDS Invenio 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.
##
## CDS Invenio 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 CDS Invenio; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
<:
sub navTrail{
# prints out default layout of makeTrial
$PATH = $ENV{'PWD'}; # current path
$menuitem = "title"; # TEXT taken from *.wml file
@TITLE = &makeTrail($PATH,$ROOT);
if ($WML_SRC_FILENAME eq "index.wml") {
pop @TITLE;
}
:>
$(header)
<:
foreach $title(@TITLE){
$filename = $title . "/index.wml";
$out = &readWMLTitle($filename,$menuitem);
if ($out) {
:>
$(prolog)
<:
print " <a class=\"navtrail\" href=\"" . $title . "\">$out</a>";
:>
$(epilog)
<:
}
}
:>
$(footer)
<:
}
#<=
sub makeTrail{
# returns list of relative directories in the trail
my ($PATH,$rot) = @_;
@DIR = split(/\//,$PATH); # PATH values of current directory to be considered
@PATH = split(/\//,$rot); # directory relative to ROOT
if ($rot ne '.'){ #
while (@PATH){ # at each level
$trail = pop(@DIR); # ..get its value
$path = pop(@PATH); #
push(@TRAIL,$trail); # ..and build an array of dirnames
}
@TRAIL = reverse(@TRAIL);
}
$out = $rot;
push(@OUT,$out);
foreach $ITEM(@TRAIL){
$out = $out . "/" . $ITEM;
push(@OUT,$out);
}
return @OUT ;
}
#<=
sub readWMLTitle($file,$key){
# read text from file to display in navtrail
($file,$key) = @_;
if(open(IN,$file)){
$done = 0;
while($line = <IN>){
if((!$done) && (($out) = $line=~/$key="(.*?)"/)){
$done = 1;
}
}
close(IN);
}
else{
$out = "";
}
return($out);
}
:>
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