110 lines
2.4 KiB
Perl
110 lines
2.4 KiB
Perl
#!/usr/bin/perl
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# Sidebar plugin.
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# by Tuomo Valkonen <tuomov at iki dot fi>
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package IkiWiki::Plugin::sidebar;
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use warnings;
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use strict;
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use IkiWiki 3.00;
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sub import {
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hook(type => "getsetup", id => "sidebar", call => \&getsetup);
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hook(type => "preprocess", id => "sidebar", call => \&preprocess);
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hook(type => "pagetemplate", id => "sidebar", call => \&pagetemplate);
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}
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sub getsetup () {
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return
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plugin => {
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safe => 1,
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rebuild => 1,
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},
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global_sidebars => {
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type => "boolean",
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example => 1,
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description => "show sidebar page on all pages?",
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safe => 1,
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rebuild => 1,
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},
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}
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my %pagesidebar;
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sub preprocess (@) {
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my %params=@_;
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my $page=$params{page};
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return "" unless $page eq $params{destpage};
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if (! defined $params{content}) {
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$pagesidebar{$page}=undef;
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}
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else {
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my $file = $pagesources{$page};
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my $type = pagetype($file);
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$pagesidebar{$page}=
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IkiWiki::htmlize($page, $page, $type,
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IkiWiki::linkify($page, $page,
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IkiWiki::preprocess($page, $page, $params{content})));
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}
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return "";
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}
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my $oldfile;
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my $oldcontent;
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sub sidebar_content ($) {
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my $page=shift;
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return delete $pagesidebar{$page} if defined $pagesidebar{$page};
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return if ! exists $pagesidebar{$page} &&
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defined $config{global_sidebars} && ! $config{global_sidebars};
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my $sidebar_page=bestlink($page, "sidebar") || return;
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my $sidebar_file=$pagesources{$sidebar_page} || return;
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my $sidebar_type=pagetype($sidebar_file);
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if (defined $sidebar_type) {
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# FIXME: This isn't quite right; it won't take into account
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# adding a new sidebar page. So adding such a page
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# currently requires a wiki rebuild.
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add_depends($page, $sidebar_page);
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my $content;
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if (defined $oldfile && $sidebar_file eq $oldfile) {
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$content=$oldcontent;
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}
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else {
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$content=readfile(srcfile($sidebar_file));
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$oldcontent=$content;
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$oldfile=$sidebar_file;
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}
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return unless length $content;
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return IkiWiki::htmlize($sidebar_page, $page, $sidebar_type,
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IkiWiki::linkify($sidebar_page, $page,
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IkiWiki::preprocess($sidebar_page, $page,
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IkiWiki::filter($sidebar_page, $page, $content))));
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}
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}
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sub pagetemplate (@) {
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my %params=@_;
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my $template=$params{template};
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if ($params{destpage} eq $params{page} &&
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$template->query(name => "sidebar")) {
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my $content=sidebar_content($params{destpage});
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if (defined $content && length $content) {
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$template->param(sidebar => $content);
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}
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}
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}
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1
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