-#! /usr/bin/perl
+#!/usr/bin/perl
# Copyright (c) 2006, 2007 Manoj Srivastava <srivasta@debian.org>
#
# This program is free software; you can redistribute it and/or modify
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
require 5.002;
package IkiWiki::Plugin::calendar;
use strict;
use IkiWiki 3.00;
use Time::Local;
-use POSIX;
my $time=time;
my @now=localtime($time);
+my %changed;
sub import {
+ hook(type => "checkconfig", id => "calendar", call => \&checkconfig);
hook(type => "getsetup", id => "calendar", call => \&getsetup);
hook(type => "needsbuild", id => "calendar", call => \&needsbuild);
hook(type => "preprocess", id => "calendar", call => \&preprocess);
+ hook(type => "scan", id => "calendar", call => \&scan);
+ hook(type => "build_affected", id => "calendar", call => \&build_affected);
+
+ IkiWiki::loadplugin("transient");
}
sub getsetup () {
plugin => {
safe => 1,
rebuild => undef,
+ section => "widget",
},
archivebase => {
type => "string",
safe => 1,
rebuild => 1,
},
+ archive_pagespec => {
+ type => "pagespec",
+ example => "page(posts/*) and !*/Discussion",
+ description => "PageSpec of pages to include in the archives, if option `calendar_autocreate` is true.",
+ link => 'ikiwiki/PageSpec',
+ safe => 1,
+ rebuild => 0,
+ },
+ calendar_autocreate => {
+ type => "boolean",
+ example => 1,
+ description => "autocreate new calendar pages?",
+ safe => 1,
+ rebuild => undef,
+ },
+ calendar_fill_gaps => {
+ type => "boolean",
+ example => 1,
+ default => 1,
+ description => "if set, when building calendar pages, also build pages of year and month when no pages were published (building empty calendars).",
+ safe => 1,
+ rebuild => 0,
+ },
+}
+
+sub checkconfig () {
+ if (! defined $config{calendar_autocreate}) {
+ $config{calendar_autocreate} = defined $config{archivebase};
+ }
+ if (! defined $config{archive_pagespec}) {
+ $config{archive_pagespec} = '*';
+ }
+ if (! defined $config{archivebase}) {
+ $config{archivebase} = 'archives';
+ }
+ if (! defined $config{calendar_fill_gaps}) {
+ $config{calendar_fill_gaps} = 1;
+ }
}
sub is_leap_year (@) {
return $days_in_month;
}
+sub build_affected {
+ my %affected;
+ my ($ayear, $amonth, $valid);
+
+ foreach my $year (keys %changed) {
+ ($ayear, $valid) = nextyear($year, $config{archivebase});
+ $affected{calendarlink($ayear)} = sprintf(gettext("building calendar for %s, its previous or next year has changed"), $ayear) if ($valid);
+ ($ayear, $valid) = previousyear($year, $config{archivebase});
+ $affected{calendarlink($ayear)} = sprintf(gettext("building calendar for %s, its previous or next year has changed"), $ayear) if ($valid);
+ foreach my $month (keys %{$changed{$year}}) {
+ ($ayear, $amonth, $valid) = nextmonth($year, $month, $config{archivebase});
+ $affected{calendarlink($ayear, sprintf("%02d", $amonth))} = sprintf(gettext("building calendar for %s/%s, its previous or next month has changed"), $amonth, $ayear) if ($valid);
+ ($ayear, $amonth, $valid) = previousmonth($year, $month, $config{archivebase});
+ $affected{calendarlink($ayear, sprintf("%02d", $amonth))} = sprintf(gettext("building calendar for %s/%s, its previous or next month has changed"), $amonth, $ayear) if ($valid);
+ }
+ }
+
+ return %affected;
+}
+
+sub autocreate {
+ my ($page, $pagefile, $year, $month) = @_;
+ my $message=sprintf(gettext("creating calendar page %s"), $page);
+ debug($message);
+
+ my $template;
+ if (defined $month) {
+ $template=template("calendarmonth.tmpl");
+ } else {
+ $template=template("calendaryear.tmpl");
+ }
+ $template->param(year => $year);
+ $template->param(month => $month) if defined $month;
+ $template->param(pagespec => $config{archive_pagespec});
+
+ no warnings 'once';
+ my $dir = $IkiWiki::Plugin::transient::transientdir;
+ use warnings;
+
+ writefile($pagefile, $dir, $template->output);
+}
+
+sub calendarlink($;$) {
+ my ($year, $month) = @_;
+ if (defined $month) {
+ return $config{archivebase} . "/" . $year . "/" . $month;
+ } else {
+ return $config{archivebase} . "/" . $year;
+ }
+}
+
+sub gencalendarmonth{
+ my $year = shift;
+ my $month = sprintf("%02d", shift);
+
+ my $page = calendarlink($year, $month);
+ my $pagefile = newpagefile($page, $config{default_pageext});
+ add_autofile(
+ $pagefile, "calendar",
+ sub {return autocreate($page, $pagefile, $year, $month);}
+ );
+}
+
+sub gencalendaryear {
+ my $year = shift;
+ my %params = @_;
+
+ # Building year page
+ my $page = calendarlink($year);
+ my $pagefile = newpagefile($page, $config{default_pageext});
+ add_autofile(
+ $pagefile, "calendar",
+ sub {return autocreate($page, $pagefile, $year);}
+ );
+
+ if (not exists $wikistate{calendar}{minyear}) {
+ $wikistate{calendar}{minyear} = $year;
+ }
+ if (not exists $wikistate{calendar}{maxyear}) {
+ $wikistate{calendar}{maxyear} = $year;
+ }
+
+ if ($config{calendar_fill_gaps}) {
+ # Building month pages
+ foreach my $month (1 .. 12) {
+ gencalendarmonth($year, $month);
+ }
+
+ # Filling potential gaps in years (e.g. calendar goes from 2010 to 2014,
+ # and we just added year 2005. We have to add years 2006 to 2009).
+ return if $params{norecurse};
+ if ($wikistate{calendar}{minyear} > $year) {
+ foreach my $other ($year + 1 .. $wikistate{calendar}{minyear} - 1) {
+ gencalendaryear($other, norecurse => 1);
+ }
+ $wikistate{calendar}{minyear} = $year;
+ }
+ if ($wikistate{calendar}{maxyear} < $year) {
+ foreach my $other ($wikistate{calendar}{maxyear} + 1 .. $year - 1) {
+ gencalendaryear($other, norecurse => 1);
+ }
+ $wikistate{calendar}{maxyear} = $year;
+ }
+ }
+ if ($year < $wikistate{calendar}{minyear}) {
+ $wikistate{calendar}{minyear} = $year;
+ }
+ if ($year > $wikistate{calendar}{maxyear}) {
+ $wikistate{calendar}{maxyear} = $year;
+ }
+}
+
+sub previousmonth($$$) {
+ my $year = shift;
+ my $month = shift;
+ my $archivebase = shift;
+
+ if (not exists $wikistate{calendar}{minyear}) {
+ $wikistate{calendar}{minyear} = $year;
+ }
+
+ my $pmonth = $month;
+ my $pyear = $year;
+ while ((not exists $pagesources{"$archivebase/$pyear/" . sprintf("%02d", $pmonth)}) or ($pmonth == $month and $pyear == $year)) {
+ $pmonth -= 1;
+ if ($pmonth == 0) {
+ $pyear -= 1;
+ $pmonth = 12;
+ return ($pyear, $pmonth, 0) unless $pyear >= $wikistate{calendar}{minyear};
+ }
+ }
+ return ($pyear, $pmonth, 1);
+}
+
+sub nextmonth($$$) {
+ my $year = shift;
+ my $month = shift;
+ my $archivebase = shift;
+
+ if (not exists $wikistate{calendar}{maxyear}) {
+ $wikistate{calendar}{maxyear} = $year;
+ }
+
+ my $nmonth = $month;
+ my $nyear = $year;
+ while ((not exists $pagesources{"$archivebase/$nyear/" . sprintf("%02d", $nmonth)}) or ($nmonth == $month and $nyear == $year)) {
+ $nmonth += 1;
+ if ($nmonth == 13) {
+ $nyear += 1;
+ $nmonth = 1;
+ return ($nyear, $nmonth, 0) unless $nyear <= $wikistate{calendar}{maxyear};
+ }
+ }
+ return ($nyear, $nmonth, 1);
+}
+
+sub previousyear($$) {
+ my $year = shift;
+ my $archivebase = shift;
+
+ my $pyear = $year - 1;
+ while (not exists $pagesources{"$archivebase/$pyear"}) {
+ $pyear -= 1;
+ return ($pyear, 0) unless ($pyear >= $wikistate{calendar}{minyear});
+ }
+ return ($pyear, 1);
+}
+
+sub nextyear($$) {
+ my $year = shift;
+ my $archivebase = shift;
+
+ my $nyear = $year + 1;
+ while (not exists $pagesources{"$archivebase/$nyear"}) {
+ $nyear += 1;
+ return ($nyear, 0) unless ($nyear <= $wikistate{calendar}{maxyear});
+ }
+ return ($nyear, 1);
+}
+
sub format_month (@) {
my %params=@_;
my $year = $date[5] + 1900;
my $mtag = sprintf("%02d", $month);
- # Only one posting per day is being linked to.
- $linkcache{"$year/$mtag/$mday"} = $p;
+ if (! $linkcache{"$year/$mtag/$mday"}) {
+ $linkcache{"$year/$mtag/$mday"} = [];
+ }
+ push(@{$linkcache{"$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++;
- }
+ my $archivebase = 'archives';
+ $archivebase = $config{archivebase} if defined $config{archivebase};
+ $archivebase = $params{archivebase} if defined $params{archivebase};
+
+ my ($pyear, $pmonth, $pvalid) = previousmonth($params{year}, $params{month}, $archivebase);
+ my ($nyear, $nmonth, $nvalid) = nextmonth($params{year}, $params{month}, $archivebase);
# Add padding.
$pmonth=sprintf("%02d", $pmonth);
}
# Find out month names for this, next, and previous months
- 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)));
+ my $monthabbrev=strftime_utf8("%b", @monthstart);
+ my $monthname=strftime_utf8("%B", @monthstart);
+ my $pmonthname=strftime_utf8("%B", localtime(timelocal(0,0,0,1,$pmonth-1,$pyear-1900)));
+ my $nmonthname=strftime_utf8("%B", localtime(timelocal(0,0,0,1,$nmonth-1,$nyear-1900)));
- my $archivebase = 'archives';
- $archivebase = $config{archivebase} if defined $config{archivebase};
- $archivebase = $params{archivebase} if defined $params{archivebase};
-
# Calculate URL's for monthly archives.
- my ($url, $purl, $nurl)=("$monthname",'','');
+ my ($url, $purl, $nurl)=("$monthname $params{year}",'','');
if (exists $pagesources{"$archivebase/$params{year}/$params{month}"}) {
$url = htmllink($params{page}, $params{destpage},
"$archivebase/$params{year}/".$params{month},
noimageinline => 1,
- linktext => " $monthname ");
+ linktext => "$monthabbrev $params{year}",
+ title => $monthname);
}
add_depends($params{page}, "$archivebase/$params{year}/$params{month}",
deptype("presence"));
$purl = htmllink($params{page}, $params{destpage},
"$archivebase/$pyear/$pmonth",
noimageinline => 1,
- linktext => "\&larr");
+ linktext => "\←",
+ title => $pmonthname);
}
add_depends($params{page}, "$archivebase/$pyear/$pmonth",
deptype("presence"));
$nurl = htmllink($params{page}, $params{destpage},
"$archivebase/$nyear/$nmonth",
noimageinline => 1,
- linktext => "\&rarr");
+ linktext => "\→",
+ title => $nmonthname);
}
add_depends($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 %dowabbr;
for my $dow ($week_start_day..$week_start_day+6) {
my @day=localtime(timelocal(0,0,0,$start_day++,$params{month}-1,$params{year}-1900));
- my $downame = POSIX::strftime("%A", @day);
- my $dowabbr = POSIX::strftime("%a", @day);
+ my $downame = strftime_utf8("%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;
# nothing has been printed, or else we are in the middle of a row.
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;
- if (defined $linkcache{"$params{year}/$params{month}/$day"}) {
+ my $key="$params{year}/$params{month}/$day";
+ if (defined $linkcache{$key}) {
if ($day == $today) {
$tag='month-calendar-day-this-day';
}
$tag='month-calendar-day-link';
}
$calendar.=qq{\t\t<td class="$tag $downame{$wday}">};
- $calendar.=htmllink($params{page}, $params{destpage},
- $linkcache{"$params{year}/$params{month}/$day"},
- noimageinline => 1,
- "linktext" => "$day");
+ $calendar.=qq{<div class='popup'>$day<div class='balloon'>};
+ # Several postings on this page
+ $calendar.=qq{<ul>};
+ foreach my $page (@{$linkcache{$key}}) {
+ $calendar.= qq{\n\t\t\t<li>};
+ my $title;
+ if (exists $pagestate{$page}{meta}{title}) {
+ $title = "$pagestate{$page}{meta}{title}";
+ }
+ else {
+ $title = pagetitle(IkiWiki::basename($page));
+ }
+ $calendar.=htmllink($params{page}, $params{destpage},
+ $page,
+ noimageinline => 1,
+ linktext => $title,
+ title => $title);
+ $calendar.= '</li>';
+ }
+ $calendar.=qq{\n\t\t</ul>};
+ $calendar.=qq{</div></div>};
$calendar.=qq{</td>\n};
}
else {
sub format_year (@) {
my %params=@_;
+
+ 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 $future_month = 0;
- $future_month = $now[4]+1 if ($params{year} == $now[5]+1900);
my $archivebase = 'archives';
$archivebase = $config{archivebase} if defined $config{archivebase};
$archivebase = $params{archivebase} if defined $params{archivebase};
+
+ my ($pyear, $pvalid) = previousyear($params{year}, $archivebase);
+ my ($nyear, $nvalid) = nextyear($params{year}, $archivebase);
+
+ my $thisyear = $now[5]+1900;
+ my $future_month = 0;
+ $future_month = $now[4]+1 if $params{year} == $thisyear;
# calculate URL's for previous and next years
my ($url, $purl, $nurl)=("$params{year}",'','');
$url = htmllink($params{page}, $params{destpage},
"$archivebase/$params{year}",
noimageinline => 1,
- linktext => "$params{year}");
+ linktext => $params{year},
+ title => $params{year});
}
add_depends($params{page}, "$archivebase/$params{year}", deptype("presence"));
if (exists $pagesources{"$archivebase/$pyear"}) {
$purl = htmllink($params{page}, $params{destpage},
"$archivebase/$pyear",
noimageinline => 1,
- linktext => "\←");
+ linktext => "\←",
+ title => $pyear);
}
add_depends($params{page}, "$archivebase/$pyear", deptype("presence"));
if (exists $pagesources{"$archivebase/$nyear"}) {
$nurl = htmllink($params{page}, $params{destpage},
"$archivebase/$nyear",
noimageinline => 1,
- linktext => "\→");
+ linktext => "\→",
+ title => $nyear);
}
add_depends($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>
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);
+ my $monthname = strftime_utf8("%B", @day);
+ my $monthabbr = strftime_utf8("%b", @day);
$calendar.=qq{\t<tr>\n} if ($month % $params{months_per_row} == 1);
my $tag;
my $mtag=sprintf("%02d", $month);
- if ($month == $params{month}) {
+ if ($month == $params{month} && $thisyear == $params{year}) {
$tag = 'year-calendar-this-month';
}
elsif ($pagesources{"$archivebase/$params{year}/$mtag"}) {
$tag = 'year-calendar-month-nolink';
}
- if ($pagesources{"$archivebase/$params{year}/$mtag"}) {
+ if ($pagesources{"$archivebase/$params{year}/$mtag"} &&
+ $post_months[$mtag]) {
$murl = htmllink($params{page}, $params{destpage},
"$archivebase/$params{year}/$mtag",
noimageinline => 1,
- linktext => "$monthabbr");
+ linktext => $monthabbr,
+ title => $monthname);
$calendar.=qq{\t<td class="$tag">};
$calendar.=$murl;
$calendar.=qq{\t</td>\n};
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=@_;
$params{year} = $thisyear unless defined $params{year};
$params{month} = $thismonth unless defined $params{month};
+ my $relativeyear=0;
+ if ($params{year} < 1) {
+ $relativeyear=1;
+ $params{year}=$thisyear+$params{year};
+ }
+ 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{month} = sprintf("%02d", $params{month});
-
+ $changed{$params{year}}{$params{month}} = 1;
+
if ($params{type} eq 'month' && $params{year} == $thisyear
&& $params{month} == $thismonth) {
# calendar for current month, updates next midnight
- $pagestate{$params{destpage}}{calendar}{nextchange}=($time
+ setnextchange($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
- $pagestate{$params{destpage}}{calendar}{nextchange}=
- timelocal(0, 0, 0, 1, $params{month}-1, $params{year});
+ setnextchange($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, $params{year}+1));
+ }
}
- elsif ($params{type} eq 'year' && $params{year} == $thisyear) {
- # calendar for current year, updates 1st of next month
- $pagestate{$params{destpage}}{calendar}{nextchange}=
- timelocal(0, 0, 0, 1, $thismonth+1-1, $params{year});
+ elsif ($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
- $pagestate{$params{destpage}}{calendar}{nextchange}=
- timelocal(0, 0, 0, 1, 1-1, $params{year});
+ setnextchange($params{destpage},
+ timelocal(0, 0, 0, 1, 1-1, $params{year}));
}
else {
# calendar for past month or year, does not need
delete $pagestate{$params{destpage}}{calendar};
}
- # Calculate month names for next month, and previous months
my $calendar="";
if ($params{type} eq 'month') {
$calendar=format_month(%params);
}
}
}
+
+ return $needsbuild;
+}
+
+sub scan (@) {
+ my %params=@_;
+ my $page=$params{page};
+
+ return unless $config{calendar_autocreate};
+
+ # Check if year pages have to be generated
+ if (pagespec_match($page, $config{archive_pagespec})) {
+ my @ctime = localtime($IkiWiki::pagectime{$page});
+ gencalendaryear($ctime[5]+1900);
+ gencalendarmonth($ctime[5]+1900, $ctime[4]+1);
+ }
}
1