Files
oddmuse/modules/page-trail.pl
2015-04-11 23:41:33 +03:00

62 lines
1.8 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 strict;
AddModuleDescription('page-trail.pl', 'Page Trail Extension');
our ($q, %CookieParameters, %InvisibleCookieParameters);
our ($PageTrailLength);
$PageTrailLength = 10;
$CookieParameters{trail} = '';
$InvisibleCookieParameters{trail} = 1;
my @PageTrail;
*OldPageTrailBrowsePage = \&BrowsePage;
*BrowsePage = \&NewPageTrailBrowsePage;
sub NewPageTrailBrowsePage {
my ($id, @rest) = @_;
UpdatePageTrail($id);
OldPageTrailBrowsePage($id, @rest);
}
sub UpdatePageTrail {
my $id = shift;
my @trail = ($id);
foreach my $page (split(/ /, GetParam('trail', ''))) {
push(@trail, $page) unless $page eq $id;
}
@trail = @trail[0..$PageTrailLength-1] if $trail[$PageTrailLength];
$q->param('trail', join(' ', @trail));
@PageTrail = @trail;
}
*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;
}