path: root/IkiWiki/Plugin/theme.pm

#!/usr/bin/perl
package IkiWiki::Plugin::theme;

use warnings;
use strict;
use IkiWiki 3.00;

sub import {
    hook(type => "getsetup", id => "theme", call => \&getsetup);
    hook(type => "checkconfig", id => "theme", call => \&checkconfig);
    hook(type => "needsbuild", id => "theme", call => \&needsbuild);
}

sub getsetup () {
    return
        plugin => {
            safe => 1,
            rebuild => 0,
            section => "web",
        },
        theme => {
            type => "string",
            example => "actiontabs",
            description => "name of theme to enable",
            safe => 1,
            rebuild => 0,
        },
}

my $added=0;
sub checkconfig () {
    if (! $added && exists $config{theme} && $config{theme} =~ /^\w+$/) {
        add_underlay("themes/".$config{theme});
        $added=1;
    }
}

sub needsbuild ($) {
    my $needsbuild=shift;
    if (($config{theme} || '') ne ($wikistate{theme}{currenttheme} || '')) {
        # theme changed; ensure all files in the theme are built
        my %needsbuild=map { $_ => 1 } @$needsbuild;
        if ($config{theme}) {
            foreach my $file (glob("$config{underlaydirbase}/themes/$config{theme}/*")) {
                if (-f $file) {
                    my $f=IkiWiki::basename($file);
                    push @$needsbuild, $f
                        unless $needsbuild{$f};
                }
            }
        }
        elsif ($wikistate{theme}{currenttheme}) {
            foreach my $file (glob("$config{underlaydirbase}/themes/$wikistate{theme}{currenttheme}/*")) {
                my $f=IkiWiki::basename($file);
                if (-f $file && defined eval { srcfile($f) }) {
                    push @$needsbuild, $f;
                }
            }
        }
        
        $wikistate{theme}{currenttheme}=$config{theme};
    }
}

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