use warnings;
use strict;
-use IkiWiki 2.00;
+use IkiWiki 3.00;
use Time::Local;
-use POSIX;
+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,
+ section => "widget",
+ },
+ archivebase => {
+ type => "string",
+ example => "archives",
+ description => "base of the archives hierarchy",
+ safe => 1,
+ rebuild => 1,
+ },
+ archive_pagespec => {
+ type => "pagespec",
+ example => "page(posts/*) and !*/Discussion",
+ description => "PageSpec of pages to include in the archives; used by ikiwiki-calendar command",
+ link => 'ikiwiki/PageSpec',
+ safe => 1,
+ rebuild => 0,
+ },
+}
-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};
- my $year = $params{year};
- my $month = $params{month};
- my $pmonth = $params{pmonth};
- my $nmonth = $params{nmonth};
- my $pyear = $params{pyear};
- my $nyear = $params{nyear};
+ my %linkcache;
+ foreach my $p (pagespec_match_list($params{page},
+ "creation_year($params{year}) and creation_month($params{month}) and ($params{pages})",
+ # add presence dependencies to update
+ # month calendar when pages are added/removed
+ deptype => deptype("presence"))) {
+ my $mtime = $IkiWiki::pagectime{$p};
+ my @date = localtime($mtime);
+ my $mday = $date[3];
+ my $month = $date[4] + 1;
+ my $year = $date[5] + 1900;
+ my $mtag = sprintf("%02d", $month);
+
+ # Only one posting per day is being linked to.
+ $linkcache{"$year/$mtag/$mday"} = $p;
+ }
+
+ my $pmonth = $params{month} - 1;
+ my $nmonth = $params{month} + 1;
+ my $pyear = $params{year};
+ my $nyear = $params{year};
+
+ # Adjust for January and December
+ if ($params{month} == 1) {
+ $pmonth = 12;
+ $pyear--;
+ }
+ if ($params{month} == 12) {
+ $nmonth = 1;
+ $nyear++;
+ }
+
+ # Add padding.
+ $pmonth=sprintf("%02d", $pmonth);
+ $nmonth=sprintf("%02d", $nmonth);
- my @list;
my $calendar="\n";
# When did this month start?
- my @monthstart = localtime(timelocal(0,0,0,1,$month-1,$year-1900));
+ my @monthstart = localtime(timelocal(0,0,0,1,$params{month}-1,$params{year}-1900));
my $future_dom = 0;
my $today = 0;
- if ($year == $now[5]+1900 && $month == $now[4]+1) {
+ if ($params{year} == $now[5]+1900 && $params{month} == $now[4]+1) {
$future_dom = $now[3]+1;
$today = $now[3];
}
# Find out month names for this, next, and previous months
+ my $monthabbrev=POSIX::strftime("%b", @monthstart);
my $monthname=POSIX::strftime("%B", @monthstart);
my $pmonthname=POSIX::strftime("%B", localtime(timelocal(0,0,0,1,$pmonth-1,$pyear-1900)));
my $nmonthname=POSIX::strftime("%B", localtime(timelocal(0,0,0,1,$nmonth-1,$nyear-1900)));
$archivebase = $params{archivebase} if defined $params{archivebase};
# Calculate URL's for monthly archives.
- my ($url, $purl, $nurl)=("$monthname",'','');
- if (exists $cache{$pagespec}{"$year/$month"}) {
+ my ($url, $purl, $nurl)=("$monthname $params{year}",'','');
+ if (exists $pagesources{"$archivebase/$params{year}/$params{month}"}) {
$url = htmllink($params{page}, $params{destpage},
- "$archivebase/$year/".sprintf("%02d", $month),
- linktext => " $monthname ");
+ "$archivebase/$params{year}/".$params{month},
+ noimageinline => 1,
+ linktext => "$monthabbrev $params{year}",
+ title => $monthname);
}
- add_depends($params{page}, "$archivebase/$year/".sprintf("%02d", $month));
- if (exists $cache{$pagespec}{"$pyear/$pmonth"}) {
+ add_depends($params{page}, "$archivebase/$params{year}/$params{month}",
+ deptype("presence"));
+ if (exists $pagesources{"$archivebase/$pyear/$pmonth"}) {
$purl = htmllink($params{page}, $params{destpage},
- "$archivebase/$pyear/" . sprintf("%02d", $pmonth),
- linktext => " $pmonthname ");
+ "$archivebase/$pyear/$pmonth",
+ noimageinline => 1,
+ linktext => "\←",
+ title => $pmonthname);
}
- add_depends($params{page}, "$archivebase/$pyear/".sprintf("%02d", $pmonth));
- if (exists $cache{$pagespec}{"$nyear/$nmonth"}) {
+ add_depends($params{page}, "$archivebase/$pyear/$pmonth",
+ deptype("presence"));
+ if (exists $pagesources{"$archivebase/$nyear/$nmonth"}) {
$nurl = htmllink($params{page}, $params{destpage},
- "$archivebase/$nyear/" . sprintf("%02d", $nmonth),
- linktext => " $nmonthname ");
+ "$archivebase/$nyear/$nmonth",
+ noimageinline => 1,
+ linktext => "\→",
+ title => $nmonthname);
}
- add_depends($params{page}, "$archivebase/$nyear/".sprintf("%02d", $nmonth));
+ add_depends($params{page}, "$archivebase/$nyear/$nmonth",
+ deptype("presence"));
# Start producing the month calendar
$calendar=<<EOF;
<table class="month-calendar">
- <caption class="month-calendar-head">
- $purl
- $url
- $nurl
- </caption>
+ <tr>
+ <th class="month-calendar-arrow">$purl</th>
+ <th class="month-calendar-head" colspan="5">$url</th>
+ <th class="month-calendar-arrow">$nurl</th>
+ </tr>
<tr>
EOF
my %downame;
my %dowabbr;
for my $dow ($week_start_day..$week_start_day+6) {
- my @day=localtime(timelocal(0,0,0,$start_day++,$month-1,$year-1900));
+ my @day=localtime(timelocal(0,0,0,$start_day++,$params{month}-1,$params{year}-1900));
my $downame = POSIX::strftime("%A", @day);
- my $dowabbr = POSIX::strftime("%a", @day);
+ my $dowabbr = substr($downame, 0, 1);
$downame{$dow % 7}=$downame;
$dowabbr{$dow % 7}=$dowabbr;
- $calendar.= qq{\t\t<th class="month-calendar-day-head $downame">$dowabbr</th>\n};
+ $calendar.= qq{\t\t<th class="month-calendar-day-head $downame" title="$downame">$dowabbr</th>\n};
}
$calendar.=<<EOF;
# At this point, either the first is a week_start_day, in which case
# nothing has been printed, or else we are in the middle of a row.
- for (my $day = 1; $day <= month_days(year => $year, month => $month);
+ for (my $day = 1; $day <= month_days(year => $params{year}, month => $params{month});
$day++, $wday++, $wday %= 7) {
- # At tihs point, on a week_start_day, we close out a row,
+ # At this point, on a week_start_day, we close out a row,
# and start a new one -- unless it is week_start_day on the
# first, where we do not close a row -- since none was started.
if ($wday == $week_start_day) {
}
my $tag;
- my $mtag = sprintf("%02d", $month);
- if (defined $cache{$pagespec}{"$year/$mtag/$day"}) {
+ my $key="$params{year}/$params{month}/$day";
+ if (defined $linkcache{$key}) {
if ($day == $today) {
$tag='month-calendar-day-this-day';
}
}
$calendar.=qq{\t\t<td class="$tag $downame{$wday}">};
$calendar.=htmllink($params{page}, $params{destpage},
- pagename($linkcache{"$year/$mtag/$day"}),
- "linktext" => "$day");
- push @list, pagename($linkcache{"$year/$mtag/$day"});
+ $linkcache{$key},
+ noimageinline => 1,
+ linktext => $day,
+ title => pagetitle(IkiWiki::basename($linkcache{$key})));
$calendar.=qq{</td>\n};
}
else {
</table>
EOF
- # Add dependencies to update the calendar whenever pages
- # matching the pagespec are added or removed.
- add_depends($params{page}, $params{pages});
- # Explicitly add all currently linked pages as dependencies, so
- # that if they are removed, the calendar will be sure to be updated.
- add_depends($params{page}, join(" or ", @list));
-
return $calendar;
}
sub format_year (@) {
my %params=@_;
-
- my $pagespec = $params{pages};
- my $year = $params{year};
- my $month = $params{month};
- my $pmonth = $params{pmonth};
- my $nmonth = $params{nmonth};
- my $pyear = $params{pyear};
- my $nyear = $params{nyear};
-
+
+ my @post_months;
+ foreach my $p (pagespec_match_list($params{page},
+ "creation_year($params{year}) and ($params{pages})",
+ # add presence dependencies to update
+ # year calendar's links to months when
+ # pages are added/removed
+ deptype => deptype("presence"))) {
+ my $mtime = $IkiWiki::pagectime{$p};
+ my @date = localtime($mtime);
+ my $month = $date[4] + 1;
+
+ $post_months[$month]++;
+ }
+
my $calendar="\n";
+
+ my $pyear = $params{year} - 1;
+ my $nyear = $params{year} + 1;
+ my $thisyear = $now[5]+1900;
my $future_month = 0;
- $future_month = $now[4]+1 if ($year == $now[5]+1900);
+ $future_month = $now[4]+1 if $params{year} == $thisyear;
my $archivebase = 'archives';
$archivebase = $config{archivebase} if defined $config{archivebase};
$archivebase = $params{archivebase} if defined $params{archivebase};
# calculate URL's for previous and next years
- my ($url, $purl, $nurl)=("$year",'','');
- if (exists $cache{$pagespec}{"$year"}) {
+ my ($url, $purl, $nurl)=("$params{year}",'','');
+ if (exists $pagesources{"$archivebase/$params{year}"}) {
$url = htmllink($params{page}, $params{destpage},
- "$archivebase/$year",
- linktext => "$year");
+ "$archivebase/$params{year}",
+ noimageinline => 1,
+ linktext => $params{year},
+ title => $params{year});
}
- add_depends($params{page}, "$archivebase/$year");
- if (exists $cache{$pagespec}{"$pyear"}) {
+ add_depends($params{page}, "$archivebase/$params{year}", deptype("presence"));
+ if (exists $pagesources{"$archivebase/$pyear"}) {
$purl = htmllink($params{page}, $params{destpage},
"$archivebase/$pyear",
- linktext => "\←");
+ noimageinline => 1,
+ linktext => "\←",
+ title => $pyear);
}
- add_depends($params{page}, "$archivebase/$pyear");
- if (exists $cache{$pagespec}{"$nyear"}) {
+ add_depends($params{page}, "$archivebase/$pyear", deptype("presence"));
+ if (exists $pagesources{"$archivebase/$nyear"}) {
$nurl = htmllink($params{page}, $params{destpage},
"$archivebase/$nyear",
- linktext => "\→");
+ noimageinline => 1,
+ linktext => "\→",
+ title => $nyear);
}
- add_depends($params{page}, "$archivebase/$nyear");
+ add_depends($params{page}, "$archivebase/$nyear", deptype("presence"));
# Start producing the year calendar
+ my $m=$params{months_per_row}-2;
$calendar=<<EOF;
<table class="year-calendar">
- <caption class="year-calendar-head">
- $purl
- $url
- $nurl
- </caption>
+ <tr>
+ <th class="year-calendar-arrow">$purl</th>
+ <th class="year-calendar-head" colspan="$m">$url</th>
+ <th class="year-calendar-arrow">$nurl</th>
+ </tr>
<tr>
<th class="year-calendar-subhead" colspan="$params{months_per_row}">Months</th>
</tr>
EOF
- for ($month = 1; $month <= 12; $month++) {
- my @day=localtime(timelocal(0,0,0,15,$month-1,$year-1900));
+ for (my $month = 1; $month <= 12; $month++) {
+ my @day=localtime(timelocal(0,0,0,15,$month-1,$params{year}-1900));
my $murl;
my $monthname = POSIX::strftime("%B", @day);
my $monthabbr = POSIX::strftime("%b", @day);
$calendar.=qq{\t<tr>\n} if ($month % $params{months_per_row} == 1);
my $tag;
my $mtag=sprintf("%02d", $month);
- if ($month == $params{month}) {
- if ($cache{$pagespec}{"$year/$mtag"}) {
- $tag = 'this_month_link';
- }
- else {
- $tag = 'this_month_nolink';
- }
+ if ($month == $params{month} && $thisyear == $params{year}) {
+ $tag = 'year-calendar-this-month';
}
- elsif ($cache{$pagespec}{"$year/$mtag"}) {
- $tag = 'month_link';
+ elsif ($pagesources{"$archivebase/$params{year}/$mtag"}) {
+ $tag = 'year-calendar-month-link';
}
elsif ($future_month && $month >= $future_month) {
- $tag = 'month_future';
+ $tag = 'year-calendar-month-future';
}
else {
- $tag = 'month_nolink';
+ $tag = 'year-calendar-month-nolink';
}
- if ($cache{$pagespec}{"$year/$mtag"}) {
+ if ($pagesources{"$archivebase/$params{year}/$mtag"} &&
+ $post_months[$mtag]) {
$murl = htmllink($params{page}, $params{destpage},
- "$archivebase/$year/$mtag",
- linktext => "$monthabbr");
+ "$archivebase/$params{year}/$mtag",
+ noimageinline => 1,
+ linktext => $monthabbr,
+ title => $monthname);
$calendar.=qq{\t<td class="$tag">};
$calendar.=$murl;
$calendar.=qq{\t</td>\n};
else {
$calendar.=qq{\t<td class="$tag">$monthabbr</td>\n};
}
- add_depends($params{page}, "$archivebase/$year/$mtag");
+ add_depends($params{page}, "$archivebase/$params{year}/$mtag",
+ deptype("presence"));
$calendar.=qq{\t</tr>\n} if ($month % $params{months_per_row} == 0);
}
return $calendar;
}
+sub setnextchange ($$) {
+ my $page=shift;
+ my $timestamp=shift;
+
+ if (! exists $pagestate{$page}{calendar}{nextchange} ||
+ $pagestate{$page}{calendar}{nextchange} > $timestamp) {
+ $pagestate{$page}{calendar}{nextchange}=$timestamp;
+ }
+}
+
sub preprocess (@) {
my %params=@_;
+
+ my $thisyear=1900 + $now[5];
+ my $thismonth=1 + $now[4];
+
$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};
+ $params{year} = $thisyear unless defined $params{year};
+ $params{month} = $thismonth unless defined $params{month};
- # Calculate month names for next month, and previous months
- my $pmonth = $params{month} - 1;
- my $nmonth = $params{month} + 1;
- my $pyear = $params{year} - 1;
- my $nyear = $params{year} + 1;
-
- # Adjust for January and December
- if ($params{month} == 1) {
- $pmonth = 12;
- $pyear--;
+ my $relativeyear=0;
+ if ($params{year} < 1) {
+ $relativeyear=1;
+ $params{year}=$thisyear+$params{year};
}
- if ($params{month} == 12) {
- $nmonth = 1;
- $nyear++;
+ my $relativemonth=0;
+ if ($params{month} < 1) {
+ $relativemonth=1;
+ my $monthoff=$params{month};
+ $params{month}=($thismonth+$monthoff) % 12;
+ $params{month}=12 if $params{month}==0;
+ my $yearoff=POSIX::ceil(($thismonth-$params{month}) / -12)
+ - int($monthoff / 12);
+ $params{year}-=$yearoff;
}
-
- $params{pmonth}=$pmonth;
- $params{nmonth}=$nmonth;
- $params{pyear} =$pyear;
- $params{nyear} =$nyear;
-
- my $calendar="\n";
- my $pagespec=$params{pages};
- my $page =$params{page};
-
- if (! defined $cache{$pagespec}) {
- foreach my $p (keys %pagesources) {
- next unless pagespec_match($p, $pagespec);
- my $mtime = $IkiWiki::pagectime{$p};
- my $src = $pagesources{$p};
- my @date = localtime($mtime);
- my $mday = $date[3];
- my $month = $date[4] + 1;
- my $year = $date[5] + 1900;
- my $mtag = sprintf("%02d", $month);
-
- # Only one posting per day is being linked to.
- $linkcache{"$year/$mtag/$mday"} = "$src";
- $cache{$pagespec}{"$year"}++;
- $cache{$pagespec}{"$year/$mtag"}++;
- $cache{$pagespec}{"$year/$mtag/$mday"}++;
+
+ $params{month} = sprintf("%02d", $params{month});
+
+ if ($params{type} eq 'month' && $params{year} == $thisyear
+ && $params{month} == $thismonth) {
+ # calendar for current month, updates next midnight
+ setnextchange($params{destpage}, ($time
+ + (60 - $now[0]) # seconds
+ + (59 - $now[1]) * 60 # minutes
+ + (23 - $now[2]) * 60 * 60 # hours
+ ));
+ }
+ elsif ($params{type} eq 'month' &&
+ (($params{year} == $thisyear && $params{month} > $thismonth) ||
+ $params{year} > $thisyear)) {
+ # calendar for upcoming month, updates 1st of that month
+ setnextchange($params{destpage},
+ timelocal(0, 0, 0, 1, $params{month}-1, $params{year}));
+ }
+ elsif (($params{type} eq 'year' && $params{year} == $thisyear) ||
+ $relativemonth) {
+ # Calendar for current year updates 1st of next month.
+ # Any calendar relative to the current month also updates
+ # then.
+ if ($thismonth < 12) {
+ setnextchange($params{destpage},
+ timelocal(0, 0, 0, 1, $thismonth+1-1, $params{year}));
+ }
+ else {
+ setnextchange($params{destpage},
+ timelocal(0, 0, 0, 1, 1-1, $params{year}+1));
}
}
+ elsif ($relativeyear) {
+ # Any calendar relative to the current year updates 1st
+ # of next year.
+ setnextchange($params{destpage},
+ timelocal(0, 0, 0, 1, 1-1, $thisyear+1));
+ }
+ elsif ($params{type} eq 'year' && $params{year} > $thisyear) {
+ # calendar for upcoming year, updates 1st of that year
+ setnextchange($params{destpage},
+ timelocal(0, 0, 0, 1, 1-1, $params{year}));
+ }
+ else {
+ # calendar for past month or year, does not need
+ # to update any more
+ delete $pagestate{$params{destpage}}{calendar};
+ }
- if ($params{type} =~ /month/i) {
+ my $calendar="";
+ if ($params{type} eq 'month') {
$calendar=format_month(%params);
}
- elsif ($params{type} =~ /year/i) {
+ elsif ($params{type} eq 'year') {
$calendar=format_year(%params);
}
- return "\n<div class=\"calendar\">$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};
+ }
+ }
+ }
+ return $needsbuild;
}
1