X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/fc6ebdf0b2c0dae52b4073d78a032b7ef9fbedcb..ee598e42f61a6afc31f49551a60dff9534f77ee1:/IkiWiki/Plugin/calendar.pm?ds=sidebyside

diff --git a/IkiWiki/Plugin/calendar.pm b/IkiWiki/Plugin/calendar.pm
index 536dbc075..88303fc44 100644
--- a/IkiWiki/Plugin/calendar.pm
+++ b/IkiWiki/Plugin/calendar.pm
@@ -26,27 +26,45 @@ 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 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 (@) { #{{
+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};
@@ -306,12 +324,25 @@ 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