Files
oddmuse/modules/page-trail.pl
2004-01-30 21:35:44 +00:00

57 lines
1.7 KiB
Perl

# Copyright (C) 2004 Alex Schroeder <alex@emacswiki.org>
#
# This program 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.
#
# This program 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 this program; if not, write to the
# Free Software Foundation, Inc.
# 59 Temple Place, Suite 330
# Boston, MA 02111-1307 USA
use vars qw($PageTrailLength);
$PageTrailLength = 10;
$ModulesDescription .= '<p>$Id: page-trail.pl,v 1.2 2004/01/30 21:35:44 as Exp $</p>';
$CookieParameters{trail} = '';
$InvisibleCookieParameters{trail} = 1;
my @PageTrail;
*OldPageTrailBrowsePage = *BrowsePage;
*BrowsePage = *NewPageTrailBrowsePage;
sub NewPageTrailBrowsePage {
my ($id, $raw, $comment) = @_;
UpdatePageTrail($id);
OldPageTrailBrowsePage($id, $raw, $comment);
}
sub UpdatePageTrail {
my $id = shift;
my $US = "\x1f";
@PageTrail = split(/$US/, GetParam('trail', ''));
unshift(@PageTrail, $id);
@PageTrail = @PageTrail[0..$PageTrailLength-1] if $PageTrail[$PageTrailLength];
SetParam('trail', join($US, @PageTrail));
}
*OldPageTrailGetGotoBar = *GetGotoBar;
*GetGotoBar = *NewPageTrailGetGotoBar;
sub NewPageTrailGetGotoBar {
my $bar = OldPageTrailGetGotoBar(@_);
$bar .= $q->span({-class=>'trail'}, $q->br(), T('Trail: '),
map { GetPageLink($_) } reverse(@PageTrail))
if @PageTrail;
return $bar;
}