IkiWiki/Plugin/relativedate.pm

   1 #!/usr/bin/perl
   2 package IkiWiki::Plugin::relativedate;
   3
   4 use warnings;
   5 no warnings 'redefine';
   6 use strict;
   7 use IkiWiki 3.00;
   8 use POSIX ();
   9 use Encode;
  10
  11 sub import {
  12         add_underlay("javascript");
  13         hook(type => "getsetup", id => "relativedate", call => \&getsetup);
  14         hook(type => "format", id => "relativedate", call => \&format);
  15         inject(name => "IkiWiki::displaytime", call => \&mydisplaytime);
  16 }
  17
  18 sub getsetup () {
  19         return
  20                 plugin => {
  21                         safe => 1,
  22                         rebuild => 1,
  23                 },
  24 }
  25
  26 sub format (@) {
  27         my %params=@_;
  28
  29         if (! ($params{content}=~s!^(<body[^>]*>)!$1.include_javascript($params{page})!em)) {
  30                 # no </body> tag, probably in preview mode
  31                 $params{content}=include_javascript($params{page}, 1).$params{content};
  32         }
  33         return $params{content};
  34 }
  35
  36 sub include_javascript ($;$) {
  37         my $page=shift;
  38         my $absolute=shift;
  39
  40         return '<script src="'.urlto("ikiwiki.js", $page, $absolute).
  41                 '" type="text/javascript" charset="utf-8"></script>'."\n".
  42                 '<script src="'.urlto("relativedate.js", $page, $absolute).
  43                 '" type="text/javascript" charset="utf-8"></script>';
  44 }
  45
  46 sub mydisplaytime ($;$) {
  47         my $time=shift;
  48         my $format=shift;
  49
  50         # This needs to be in a form that can be parsed by javascript.
  51         # Being fairly human readable is also nice, as it will be exposed
  52         # as the title if javascript is not available.
  53         my $gmtime=decode_utf8(POSIX::strftime("%a, %d %b %Y %H:%M:%S %z",
  54                         localtime($time)));
  55
  56         return '<span class="relativedate" title="'.$gmtime.'">'.
  57                 IkiWiki::formattime($time, $format).'</span>';
  58 }
  59
  60 1