inline: Fix regression in feed titles. Closes: #610878 (Thanks, Paul Wise)
[ikiwiki.git] / IkiWiki / Plugin / toggle.pm
blobaf4d2ba3a858774ac6b77be58479fb2a4a18d69c
1 #!/usr/bin/perl
2 package IkiWiki::Plugin::toggle;
4 use warnings;
5 use strict;
6 use IkiWiki 3.00;
8 sub import {
9 add_underlay("javascript");
10 hook(type => "getsetup", id => "toggle", call => \&getsetup);
11 hook(type => "preprocess", id => "toggle",
12 call => \&preprocess_toggle);
13 hook(type => "preprocess", id => "toggleable",
14 call => \&preprocess_toggleable);
15 hook(type => "format", id => "toggle", call => \&format);
18 sub getsetup () {
19 return
20 plugin => {
21 safe => 1,
22 rebuild => undef,
23 section => "widget",
27 sub genid ($$) {
28 my $page=shift;
29 my $id=shift;
31 $id="$page.$id";
33 # make it a legal html id attribute
34 $id=~s/[^-a-zA-Z0-9.]/-/g;
35 if ($id !~ /^[a-zA-Z]/) {
36 $id="id$id";
38 return $id;
41 sub preprocess_toggle (@) {
42 my %params=(id => "default", text => "more", @_);
44 my $id=genid($params{page}, $params{id});
45 return "<a class=\"toggle\" href=\"#$id\">$params{text}</a>";
48 sub preprocess_toggleable (@) {
49 my %params=(id => "default", text => "", open => "no", @_);
51 # Preprocess the text to expand any preprocessor directives
52 # embedded inside it.
53 $params{text}=IkiWiki::preprocess($params{page}, $params{destpage}, $params{text});
55 my $id=genid($params{page}, $params{id});
56 my $class=(lc($params{open}) ne "yes") ? "toggleable" : "toggleable-open";
58 # Should really be a postprocessor directive, oh well. Work around
59 # markdown's dislike of markdown inside a <div> with various funky
60 # whitespace.
61 my ($indent)=$params{text}=~/( +)$/;
62 $indent="" unless defined $indent;
63 return "<div class=\"$class\" id=\"$id\"></div>\n\n$params{text}\n$indent<div class=\"toggleableend\"></div>";
66 sub format (@) {
67 my %params=@_;
69 if ($params{content}=~s!(<div class="toggleable(?:-open)?" id="[^"]+">\s*)</div>!$1!g) {
70 $params{content}=~s/<div class="toggleableend">//g;
71 if (! ($params{content}=~s!^(<body[^>]*>)!$1.include_javascript($params{page})!em)) {
72 # no <body> tag, probably in preview mode
73 $params{content}=include_javascript(undef).$params{content};
76 return $params{content};
79 sub include_javascript ($) {
80 my $from=shift;
82 return '<script src="'.urlto("ikiwiki/ikiwiki.js", $from).
83 '" type="text/javascript" charset="utf-8"></script>'."\n".
84 '<script src="'.urlto("ikiwiki/toggle.js", $from).
85 '" type="text/javascript" charset="utf-8"></script>';