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#!/usr/bin/perl
package IkiWiki::Plugin::edittemplate;
use warnings;
use strict;
use IkiWiki 2.00;
use HTML::Template;
use Encode;
sub import {
hook(type => "getsetup", id => "edittemplate",
call => \&getsetup);
hook(type => "needsbuild", id => "edittemplate",
call => \&needsbuild);
hook(type => "preprocess", id => "edittemplate",
call => \&preprocess);
hook(type => "formbuilder", id => "edittemplate",
call => \&formbuilder);
}
sub getsetup () {
return
plugin => {
safe => 1,
rebuild => undef,
},
}
sub needsbuild (@) {
my $needsbuild=shift;
foreach my $page (keys %pagestate) {
if (exists $pagestate{$page}{edittemplate}) {
if (exists $pagesources{$page} &&
grep { $_ eq $pagesources{$page} } @$needsbuild) {
# remove state, it will be re-added
# if the preprocessor directive is still
# there during the rebuild
delete $pagestate{$page}{edittemplate};
}
}
}
}
sub preprocess (@) {
my %params=@_;
return "" if $params{page} ne $params{destpage};
if (! exists $params{template} || ! length($params{template})) {
error gettext("template not specified")
}
if (! exists $params{match} || ! length($params{match})) {
error gettext("match not specified")
}
my $link=linkpage($params{template});
$pagestate{$params{page}}{edittemplate}{$params{match}}=$link;
return "" if ($params{silent} && IkiWiki::yesno($params{silent}));
add_depends($params{page}, $link);
return sprintf(gettext("edittemplate %s registered for %s"),
htmllink($params{page}, $params{destpage}, $link),
$params{match});
}
sub formbuilder (@) {
my %params=@_;
my $form=$params{form};
return if $form->field("do") ne "create" ||
(defined $form->field("editcontent") && length $form->field("editcontent"));
my $page=$form->field("page");
# The tricky bit here is that $page is probably just the base
# page name, without any subdir, but the pagespec for a template
# probably does include the subdir (ie, "bugs/*"). We don't know
# what subdir the user will pick to put the page in. So, try them
# all, starting with the one that was made default.
my @page_locs=$page;
foreach my $field ($form->field) {
if ($field eq 'page') {
@page_locs=$field->def_value;
push @page_locs, $field->options;
}
}
foreach my $p (@page_locs) {
foreach my $registering_page (keys %pagestate) {
if (exists $pagestate{$registering_page}{edittemplate}) {
foreach my $pagespec (sort keys %{$pagestate{$registering_page}{edittemplate}}) {
if (pagespec_match($p, $pagespec, location => $registering_page)) {
my $template=$pagestate{$registering_page}{edittemplate}{$pagespec};
$form->field(name => "editcontent",
value => filltemplate($template, $page));
$form->field(name => "type",
value => pagetype($pagesources{$template}))
if $pagesources{$template};
return;
}
}
}
}
}
}
sub filltemplate ($$) {
my $template_page=shift;
my $page=shift;
my $template_file=$pagesources{$template_page};
if (! defined $template_file) {
return;
}
my $template;
eval {
$template=HTML::Template->new(
filter => sub {
my $text_ref = shift;
$$text_ref=&Encode::decode_utf8($$text_ref);
chomp $$text_ref;
},
filename => srcfile($template_file),
die_on_bad_params => 0,
no_includes => 1,
);
};
if ($@) {
# Indicate that the earlier preprocessor directive set
# up a template that doesn't work.
return "[[!pagetemplate ".gettext("failed to process")." $@]]";
}
$template->param(name => $page);
return $template->output;
}
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