]> sipb.mit.edu Git - ikiwiki.git/blobdiff - IkiWiki/Plugin/calendar.pm
calendar: Allow negative month to be specified. -1 is last month, etc. (And also...
[ikiwiki.git] / IkiWiki / Plugin / calendar.pm
index 71c671d67e1d1919593c5fa4b6cb2bcb425c930e..02f41070e10ae6acf29ce9abd3c52aead7aefbc4 100644 (file)
@@ -22,7 +22,7 @@ use warnings;
 use strict;
 use IkiWiki 3.00;
 use Time::Local;
-use POSIX;
+use POSIX ();
 
 my $time=time;
 my @now=localtime($time);
@@ -38,6 +38,7 @@ sub getsetup () {
                plugin => {
                        safe => 1,
                        rebuild => undef,
+                       section => "widget",
                },
                archivebase => {
                        type => "string",
@@ -46,6 +47,14 @@ sub getsetup () {
                        safe => 1,
                        rebuild => 1,
                },
+               archive_pagespec => {
+                       type => "pagespec",
+                       example => "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 (@) {
@@ -66,7 +75,8 @@ sub format_month (@) {
        my %params=@_;
 
        my %linkcache;
-       foreach my $p (pagespec_match_list($params{page}, $params{pages},
+       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"))) {
@@ -127,7 +137,8 @@ sub format_month (@) {
                $url = htmllink($params{page}, $params{destpage}, 
                        "$archivebase/$params{year}/".$params{month},
                        noimageinline => 1,
-                       linktext => " $monthname ");
+                       linktext => $monthname,
+                       title => $monthname);
        }
        add_depends($params{page}, "$archivebase/$params{year}/$params{month}",
                deptype("presence"));
@@ -135,7 +146,8 @@ sub format_month (@) {
                $purl = htmllink($params{page}, $params{destpage}, 
                        "$archivebase/$pyear/$pmonth",
                        noimageinline => 1,
-                       linktext => " \&larr ");
+                       linktext => "\←",
+                       title => $pmonthname);
        }
        add_depends($params{page}, "$archivebase/$pyear/$pmonth",
                deptype("presence"));
@@ -143,7 +155,8 @@ sub format_month (@) {
                $nurl = htmllink($params{page}, $params{destpage}, 
                        "$archivebase/$nyear/$nmonth",
                        noimageinline => 1,
-                       linktext => " \&rarr ");
+                       linktext => "\→",
+                       title => $nmonthname);
        }
        add_depends($params{page}, "$archivebase/$nyear/$nmonth",
                deptype("presence"));
@@ -151,11 +164,11 @@ sub format_month (@) {
        # 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
 
@@ -172,7 +185,7 @@ EOF
                my $dowabbr = POSIX::strftime("%a", @day);
                $downame{$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;
@@ -190,7 +203,7 @@ 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) {
@@ -199,7 +212,8 @@ EOF
                }
                
                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';
                        }
@@ -208,9 +222,10 @@ EOF
                        }
                        $calendar.=qq{\t\t<td class="$tag $downame{$wday}">};
                        $calendar.=htmllink($params{page}, $params{destpage}, 
-                               $linkcache{"$params{year}/$params{month}/$day"},
+                               $linkcache{$key},
                                noimageinline => 1,
-                               "linktext" => "$day");
+                               linktext => $day,
+                               title => pagetitle(IkiWiki::basename($linkcache{$key})));
                        $calendar.=qq{</td>\n};
                }
                else {
@@ -241,14 +256,29 @@ EOF
 
 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 $thisyear = $now[5]+1900;
        my $future_month = 0;
-       $future_month = $now[4]+1 if ($params{year} == $now[5]+1900);
+       $future_month = $now[4]+1 if $params{year} == $thisyear;
 
        my $archivebase = 'archives';
        $archivebase = $config{archivebase} if defined $config{archivebase};
@@ -260,32 +290,36 @@ sub format_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 => "\&larr;");
+                       linktext => "\&larr;",
+                       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 => "\&rarr;");
+                       linktext => "\&rarr;",
+                       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>
@@ -299,7 +333,7 @@ EOF
                $calendar.=qq{\t<tr>\n}  if ($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"}) {
@@ -312,11 +346,13 @@ EOF
                        $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};
@@ -350,8 +386,19 @@ sub preprocess (@) {
        $params{year}  = $thisyear      unless defined $params{year};
        $params{month} = $thismonth     unless defined $params{month};
 
+       my $relativemonth=0;
+       if ($params{month} < 1) {
+               $params{month}=$thismonth+$params{month};
+               $relativemonth=1;
+       }
+       my $relativeyear=0;
+       if ($params{year} < 1) {
+               $params{year}=$thisyear+$params{year};
+               $relativeyear=1;
+       }
+       
        $params{month} = sprintf("%02d", $params{month});
-                       
+       
        if ($params{type} eq 'month' && $params{year} == $thisyear
            && $params{month} == $thismonth) {
                # calendar for current month, updates next midnight
@@ -368,10 +415,25 @@ sub preprocess (@) {
                $pagestate{$params{destpage}}{calendar}{nextchange}=
                        timelocal(0, 0, 0, 1, $params{month}-1, $params{year});
        }
-       elsif ($params{type} eq 'year' && $params{year} == $thisyear) {
-               # calendar for current year, updates 1st of next month
+       elsif (($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) {
+                       $pagestate{$params{destpage}}{calendar}{nextchange}=
+                               timelocal(0, 0, 0, 1, $thismonth+1-1, $params{year});
+               }
+               else {
+                       $pagestate{$params{destpage}}{calendar}{nextchange}=
+                               timelocal(0, 0, 0, 1, 1-1, $params{year}+1);
+               }
+       }
+       elsif ($relativeyear) {
+               # Any calendar relative to the current year updates 1st
+               # of next year.
                $pagestate{$params{destpage}}{calendar}{nextchange}=
-                       timelocal(0, 0, 0, 1, $thismonth+1-1, $params{year});
+                       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
@@ -384,7 +446,6 @@ sub preprocess (@) {
                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);