#!/usr/bin/perl
#
-# Produce a hyerarchical map of links.
+# Produce a hierarchical map of links.
#
-#
By Alessandro Dotti Contra <alessandro@hyboria.org>
+#
by Alessandro Dotti Contra <alessandro@hyboria.org>
#
-# Revision: 0.1
+# Revision: 0.2
package IkiWiki::Plugin::map;
use warnings;
use strict;
-use IkiWiki;
+use IkiWiki 3.00;
-sub import { #{{{
- IkiWiki::hook(type => "preprocess", id => "map",
- call => \&preprocess);
-} # }}}
+sub import {
+ hook(type => "getsetup", id => "map", call => \&getsetup);
+ hook(type => "preprocess", id => "map", call => \&preprocess);
+}
-sub preprocess (@) { #{{{
+sub getsetup () {
+ return
+ plugin => {
+ safe => 1,
+ rebuild => undef,
+ },
+}
+
+sub preprocess (@) {
my %params=@_;
$params{pages}="*" unless defined $params{pages};
- # Needs to update whenever a page is added or removed, so
- # register a dependency.
- IkiWiki::add_depends($params{page}, $params{pages});
-
+ my $common_prefix;
+
# Get all the items to map.
- my @mapitems = ();
- foreach my $page (keys %IkiWiki::links) {
- if (IkiWiki::pagespec_match($page, $params{pages})) {
- push @mapitems, $page;
+ my %mapitems;
+ foreach my $page (pagespec_match_list([keys %pagesources],
+ $params{pages}, location => $params{page})) {
+ if (exists $params{show} &&
+ exists $pagestate{$page} &&
+ exists $pagestate{$page}{meta}{$params{show}}) {
+ $mapitems{$page}=$pagestate{$page}{meta}{$params{show}};
+ }
+ else {
+ $mapitems{$page}='';
}
+ # Check for a common prefix.
+ if (! defined $common_prefix) {
+ $common_prefix=$page;
+ }
+ elsif (length $common_prefix &&
+ $page !~ /^\Q$common_prefix\E(\/|$)/) {
+ my @a=split(/\//, $page);
+ my @b=split(/\//, $common_prefix);
+ $common_prefix="";
+ while (@a && @b && $a[0] eq $b[0]) {
+ if (length $common_prefix) {
+ $common_prefix.="/";
+ }
+ $common_prefix.=shift(@a);
+ shift @b;
+ }
+ }
+ }
+
+ # Common prefix should not be a page in the map.
+ while (defined $common_prefix && length $common_prefix &&
+ exists $mapitems{$common_prefix}) {
+ $common_prefix=IkiWiki::dirname($common_prefix);
}
+ # Needs to update whenever a page is added or removed (or in some
+ # cases, when its content changes, if show=title), so register a
+ # dependency.
+ add_depends($params{page}, $params{pages});
+ # Explicitly add all currently shown pages, to detect when pages
+ # are removed.
+ add_depends($params{page}, join(" or ", keys %mapitems));
+
# Create the map.
+ my $parent="";
my $indent=0;
+ my $openli=0;
+ my $addparent="";
my $map = "<div class='map'>\n";
- foreach my $item (sort @mapitems) {
+
+ # Return empty div if %mapitems is empty
+ if (!scalar(keys %mapitems)) {
+ $map .= "</div>\n";
+ return $map;
+ }
+ else { # continue populating $map
+ $map .= "<ul>\n";
+ }
+
+ foreach my $item (sort keys %mapitems) {
+ my @linktext = (length $mapitems{$item} ? (linktext => $mapitems{$item}) : ());
+ $item=~s/^\Q$common_prefix\E\///
+ if defined $common_prefix && length $common_prefix;
my $depth = ($item =~ tr/\//\//) + 1;
- next if exists $params{maxdepth} && $depth > $params{maxdepth};
+ my $baseitem=IkiWiki::dirname($item);
+ while (length $parent && length $baseitem && $baseitem !~ /^\Q$parent\E(\/|$)/) {
+ $parent=IkiWiki::dirname($parent);
+ last if length $addparent && $baseitem =~ /^\Q$addparent\E(\/|$)/;
+ $addparent="";
+ $indent--;
+ $map .= "</li>\n";
+ if ($indent > 0) {
+ $map .= "</ul>\n";
+ }
+ }
while ($depth < $indent) {
$indent--;
- $map.="</ul>\n";
+ $map .= "</li>\n";
+ if ($indent > 0) {
+ $map .= "</ul>\n";
+ }
}
+ my @bits=split("/", $item);
+ my $p="";
+ $p.="/".shift(@bits) for 1..$indent;
while ($depth > $indent) {
$indent++;
- $map.="<ul>\n";
+ if ($indent > 1) {
+ $map .= "<ul>\n";
+ }
+ if ($depth > $indent) {
+ $p.="/".shift(@bits);
+ $addparent=$p;
+ $addparent=~s/^\///;
+ $map .= "<li>"
+ .htmllink($params{page}, $params{destpage},
+ "/".$common_prefix.$p, class => "mapparent",
+ noimageinline => 1)
+ ."\n";
+ $openli=1;
+ }
+ else {
+ $openli=0;
+ }
}
+ $map .= "</li>\n" if $openli;
$map .= "<li>"
- .IkiWiki::htmllink($params{page}, $params{destpage}, $item)
- ."</li>\n";
+ .htmllink($params{page}, $params{destpage},
+ "/".$common_prefix."/".$item,
+ @linktext,
+ class => "mapitem", noimageinline => 1)
+ ."\n";
+ $openli=1;
+ $parent=$item;
}
while ($indent > 0) {
$indent--;
- $map.="</ul>\n";
+ $map .= "</li>\n</ul>\n";
}
$map .= "</div>\n";
return $map;
-} # }}}
+}
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