90 lines
2.4 KiB
Perl
90 lines
2.4 KiB
Perl
#!/usr/bin/perl
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package IkiWiki::Plugin::toggle;
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use warnings;
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use strict;
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use IkiWiki 2.00;
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sub import { #{{{
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add_underlay("javascript");
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hook(type => "getsetup", id => "toggle", call => \&getsetup);
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hook(type => "preprocess", id => "toggle",
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call => \&preprocess_toggle);
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hook(type => "preprocess", id => "toggleable",
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call => \&preprocess_toggleable);
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hook(type => "format", id => "toggle", call => \&format);
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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 => undef,
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},
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} #}}}
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sub genid ($$) { #{{{
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my $page=shift;
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my $id=shift;
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$id="$page.$id";
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# make it a legal html id attribute
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$id=~s/[^-a-zA-Z0-9.]/-/g;
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if ($id !~ /^[a-zA-Z]/) {
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$id="id$id";
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}
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return $id;
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} #}}}
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sub preprocess_toggle (@) { #{{{
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my %params=(id => "default", text => "more", @_);
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my $id=genid($params{page}, $params{id});
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return "<a class=\"toggle\" href=\"#$id\">$params{text}</a>";
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} # }}}
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sub preprocess_toggleable (@) { #{{{
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my %params=(id => "default", text => "", open => "no", @_);
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# Preprocess the text to expand any preprocessor directives
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# embedded inside it.
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$params{text}=IkiWiki::preprocess($params{page}, $params{destpage},
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IkiWiki::filter($params{page}, $params{destpage}, $params{text}));
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my $id=genid($params{page}, $params{id});
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my $class=(lc($params{open}) ne "yes") ? "toggleable" : "toggleable-open";
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# Should really be a postprocessor directive, oh well. Work around
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# markdown's dislike of markdown inside a <div> with various funky
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# whitespace.
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my ($indent)=$params{text}=~/( +)$/;
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$indent="" unless defined $indent;
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return "<div class=\"$class\" id=\"$id\"></div>\n\n$params{text}\n$indent<div class=\"toggleableend\"></div>";
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} # }}}
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sub format (@) { #{{{
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my %params=@_;
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if ($params{content}=~s!(<div class="toggleable(?:-open)?" id="[^"]+">\s*)</div>!$1!g) {
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$params{content}=~s/<div class="toggleableend">//g;
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if (! ($params{content}=~s!^(<body>)!$1.include_javascript($params{page})!em)) {
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# no </body> tag, probably in preview mode
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$params{content}=include_javascript($params{page}, 1).$params{content};
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}
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}
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return $params{content};
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} # }}}
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sub include_javascript ($;$) { #{{{
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my $page=shift;
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my $absolute=shift;
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return '<script src="'.urlto("ikiwiki.js", $page, $absolute).
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'" type="text/javascript" charset="utf-8"></script>'."\n".
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'<script src="'.urlto("toggle.js", $page, $absolute).
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'" type="text/javascript" charset="utf-8"></script>';
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} #}}}
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1
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