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1 #!/usr/bin/perl
2 package IkiWiki::Plugin::edittemplate;
4 use warnings;
5 use strict;
6 use IkiWiki 3.00;
7 use HTML::Template;
8 use Encode;
10 sub import {
11         hook(type => "getsetup", id => "edittemplate",
12                 call => \&getsetup);
13         hook(type => "needsbuild", id => "edittemplate",
14                 call => \&needsbuild);
15         hook(type => "preprocess", id => "edittemplate",
16                 call => \&preprocess);
17         hook(type => "formbuilder", id => "edittemplate",
18                 call => \&formbuilder);
19 }
21 sub getsetup () {
22         return
23                 plugin => {
24                         safe => 1,
25                         rebuild => undef,
26                         section => "web",
27                 },
28 }
30 sub needsbuild (@) {
31         my $needsbuild=shift;
33         foreach my $page (keys %pagestate) {
34                 if (exists $pagestate{$page}{edittemplate}) {
35                         if (exists $pagesources{$page} && 
36                             grep { $_ eq $pagesources{$page} } @$needsbuild) {
37                                 # remove state, it will be re-added
38                                 # if the preprocessor directive is still
39                                 # there during the rebuild
40                                 delete $pagestate{$page}{edittemplate};
41                         }
42                 }
43         }
44 }
46 sub preprocess (@) {
47         my %params=@_;
49         return "" if $params{page} ne $params{destpage};
51         if (! exists $params{template} || ! length($params{template})) {
52                 error gettext("template not specified")
53         }
54         if (! exists $params{match} || ! length($params{match})) {
55                 error gettext("match not specified")
56         }
58         my $link=linkpage($params{template});
59         my $bestlink=bestlink($params{page}, $link);
60         $pagestate{$params{page}}{edittemplate}{$params{match}}=$bestlink;
62         return "" if ($params{silent} && IkiWiki::yesno($params{silent}));
63         add_depends($params{page}, $link, deptype("presence"));
64         return sprintf(gettext("edittemplate %s registered for %s"),
65                 htmllink($params{page}, $params{destpage}, $link),
66                 $params{match});
67 }
69 sub formbuilder (@) {
70         my %params=@_;
71         my $form=$params{form};
73         return if $form->field("do") ne "create" ||
74                 (defined $form->field("editcontent") && length $form->field("editcontent"));
75         
76         my $page=$form->field("page");
77         
78         # The tricky bit here is that $page is probably just the base
79         # page name, without any subdir, but the pagespec for a template
80         # probably does include the subdir (ie, "bugs/*"). We don't know
81         # what subdir the user will pick to put the page in. So, try them
82         # all, starting with the one that was made default.
83         my @page_locs=$page;
84         foreach my $field ($form->field) {
85                 if ($field eq 'page') {
86                         @page_locs=$field->def_value;
88                         # FormBuilder is on the bad crack. See #551499
89                         my @options=map { ref $_ ? @$_ : $_ } $field->options;
91                         push @page_locs, @options;
92                 }
93         }
94         foreach my $p (@page_locs) {
95                 foreach my $registering_page (keys %pagestate) {
96                         if (exists $pagestate{$registering_page}{edittemplate}) {
97                                 foreach my $pagespec (sort keys %{$pagestate{$registering_page}{edittemplate}}) {
98                                         if (pagespec_match($p, $pagespec, location => $registering_page)) {
99                                                 my $template=$pagestate{$registering_page}{edittemplate}{$pagespec};
100                                                 $form->field(name => "editcontent",
101                                                          value =>  filltemplate($template, $page));
102                                                 $form->field(name => "type",
103                                                          value => pagetype($pagesources{$template}))
104                                                                 if $pagesources{$template};
105                                                 return;
106                                         }
107                                 }
108                         }
109                 }
110         }
113 sub filltemplate ($$) {
114         my $template_page=shift;
115         my $page=shift;
117         my $template_file=$pagesources{$template_page};
118         if (! defined $template_file) {
119                 return;
120         }
122         my $template;
123         eval {
124                 $template=HTML::Template->new(
125                         filter => sub {
126                                 my $text_ref = shift;
127                                 $$text_ref=&Encode::decode_utf8($$text_ref);
128                                 chomp $$text_ref;
129                         },
130                         filename => srcfile($template_file),
131                         die_on_bad_params => 0,
132                         no_includes => 1,
133                 );
134         };
135         if ($@) {
136                 # Indicate that the earlier preprocessor directive set 
137                 # up a template that doesn't work.
138                 return "[[!pagetemplate ".gettext("failed to process")." $@]]";
139         }
141         $template->param(name => $page);
143         return $template->output;