X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/cd67224be66931c9630e146831bc21ff854cb728..f8c306a21b2d7b137fbc9245079d2db8b75366e1:/IkiWiki/Plugin/calendar.pm?ds=sidebyside

diff --git a/IkiWiki/Plugin/calendar.pm b/IkiWiki/Plugin/calendar.pm
index a4a54d2c8..d473c8348 100644
--- a/IkiWiki/Plugin/calendar.pm
+++ b/IkiWiki/Plugin/calendar.pm
@@ -20,33 +20,51 @@ package IkiWiki::Plugin::calendar;
 
 use warnings;
 use strict;
-use IkiWiki 2.00;
+use IkiWiki 3.00;
 use Time::Local;
 use POSIX;
 
 my %cache;
 my %linkcache;
-my @now=localtime();
+my $time=time;
+my @now=localtime($time);
 
-sub import { #{{{
+sub import {
+	hook(type => "getsetup", id => "calendar", call => \&getsetup);
+	hook(type => "needsbuild", id => "calendar", call => \&needsbuild);
 	hook(type => "preprocess", id => "calendar", call => \&preprocess);
-} #}}}
-
-sub is_leap_year (@) { #{{{
+}
+
+sub getsetup () {
+	return
+		plugin => {
+			safe => 1,
+			rebuild => undef,
+		},
+		archivebase => {
+			type => "string",
+			example => "archives",
+			description => "base of the archives hierarchy",
+			safe => 1,
+			rebuild => 1,
+		},
+}
+
+sub is_leap_year (@) {
 	my %params=@_;
 	return ($params{year} % 4 == 0 && (($params{year} % 100 != 0) || $params{year} % 400 == 0));
-} #}}}
+}
 
-sub month_days { #{{{
+sub month_days {
 	my %params=@_;
 	my $days_in_month = (31,28,31,30,31,30,31,31,30,31,30,31)[$params{month}-1];
 	if ($params{month} == 2 && is_leap_year(%params)) {
 		$days_in_month++;
 	}
 	return $days_in_month;
-} #}}}
+}
 
-sub format_month (@) { #{{{
+sub format_month (@) {
 	my %params=@_;
 
 	my $pagespec = $params{pages};
@@ -197,9 +215,9 @@ EOF
         add_depends($params{page}, join(" or ", @list));
 
 	return $calendar;
-} #}}}
+}
 
-sub format_year (@) { #{{{
+sub format_year (@) {
 	my %params=@_;
 
 	my $pagespec = $params{pages};
@@ -300,18 +318,31 @@ EOF
 EOF
 
 	return $calendar;
-} #}}}
+}
 
-sub preprocess (@) { #{{{
+sub preprocess (@) {
 	my %params=@_;
 	$params{pages} = "*"            unless defined $params{pages};
 	$params{type}  = "month"        unless defined $params{type};
-	$params{year}  = 1900 + $now[5] unless defined $params{year};
 	$params{month} = sprintf("%02d", $params{month}) if defined  $params{month};
-	$params{month} = 1    + $now[4] unless defined $params{month};
 	$params{week_start_day} = 0     unless defined $params{week_start_day};
 	$params{months_per_row} = 3     unless defined $params{months_per_row};
 
+	if (! defined $params{year} || ! defined $params{month}) {
+		# Record that the calendar next changes at midnight.
+		$pagestate{$params{destpage}}{calendar}{nextchange}=($time
+			+ (60 - $now[0])		# seconds
+			+ (59 - $now[1]) * 60		# minutes
+			+ (23 - $now[2]) * 60 * 60	# hours
+		);
+		
+		$params{year}  = 1900 + $now[5] unless defined $params{year};
+		$params{month} = 1    + $now[4] unless defined $params{month};
+	}
+	else {
+		delete $pagestate{$params{destpage}}{calendar};
+	}
+
 	# Calculate month names for next month, and previous months
 	my $pmonth = $params{month} - 1;
 	my $nmonth = $params{month} + 1;
@@ -363,7 +394,27 @@ sub preprocess (@) { #{{{
 		$calendar=format_year(%params);
 	}
 
-	return "\n<div class=\"calendar\">$calendar</div><!-- calendar -->\n";
+	return "\n<div><div class=\"calendar\">$calendar</div></div>\n";
 } #}}
 
+sub needsbuild (@) {
+	my $needsbuild=shift;
+	foreach my $page (keys %pagestate) {
+		if (exists $pagestate{$page}{calendar}{nextchange}) {
+			if ($pagestate{$page}{calendar}{nextchange} <= $time) {
+				# force a rebuild so the calendar shows
+				# the current day
+				push @$needsbuild, $pagesources{$page};
+			}
+			if (exists $pagesources{$page} && 
+			    grep { $_ eq $pagesources{$page} } @$needsbuild) {
+				# remove state, will be re-added if
+				# the calendar is still there during the
+				# rebuild
+				delete $pagestate{$page}{calendar};
+			}
+		}
+	}
+}
+
 1