sub import {
hook(type => "getsetup", id => "linkmap", call => \&getsetup);
hook(type => "preprocess", id => "linkmap", call => \&preprocess);
- hook(type => "format", id => "linkmap", call => \&format);
}
sub getsetup () {
}
my $mapnum=0;
-my %maps;
sub preprocess (@) {
my %params=@_;
$params{pages}="*" unless defined $params{pages};
- # Needs to update whenever a relevant page's links change.
- add_depends($params{page}, $params{pages}, links => 1);
-
- # Can't just return the linkmap here, since the htmlscrubber
- # scrubs out all <object> tags (with good reason!)
- # Instead, insert a placeholder tag, which will be expanded during
- # formatting.
$mapnum++;
- $maps{$mapnum}=\%params;
- return "<div class=\"linkmap$mapnum\"></div>";
-}
-
-sub format (@) {
- my %params=@_;
-
- $params{content}=~s/<div class=\"linkmap(\d+)"><\/div>/genmap($1)/eg;
-
- return $params{content};
-}
-
-sub genmap ($) {
- my $mapnum=shift;
- return "" unless exists $maps{$mapnum};
- my %params=%{$maps{$mapnum}};
+ my $connected=IkiWiki::yesno($params{connected});
# Get all the items to map.
- my %mapitems = ();
- foreach my $item (keys %links) {
- if (pagespec_match($item, $params{pages}, location => $params{page})) {
- $mapitems{$item}=urlto($item, $params{destpage});
- }
- }
+ my %mapitems = map { $_ => urlto($_, $params{destpage}) }
+ pagespec_match_list($params{page}, $params{pages},
+ # update when a page is added or removed, or its
+ # links change
+ deptype => deptype("presence", "links"));
my $dest=$params{page}."/linkmap.png";
print OUT "charset=\"utf-8\";\n";
print OUT "ratio=compress;\nsize=\"".($params{width}+0).", ".($params{height}+0)."\";\n"
if defined $params{width} and defined $params{height};
+ my %shown;
+ my $show=sub {
+ my $item=shift;
+ if (! $shown{$item}) {
+ print OUT "\"$item\" [shape=box,href=\"$mapitems{$item}\"];\n";
+ $shown{$item}=1;
+ }
+ };
foreach my $item (keys %mapitems) {
- print OUT "\"$item\" [shape=box,href=\"$mapitems{$item}\"];\n";
+ $show->($item) unless $connected;
foreach my $link (map { bestlink($item, $_) } @{$links{$item}}) {
- print OUT "\"$item\" -> \"$link\";\n"
- if $mapitems{$link};
+ next unless length $link and $mapitems{$link};
+ foreach my $endpoint ($item, $link) {
+ $show->($endpoint);
+ }
+ print OUT "\"$item\" -> \"$link\";\n";
}
}
print OUT "}\n";
- close OUT;
+ close OUT || error gettext("failed to run dot");
local $/=undef;
- my $ret="<object data=\"".urlto($dest, $params{destpage}).
- "\" type=\"image/png\" usemap=\"#linkmap$mapnum\">\n".
- <IN>.
- "</object>";
- close IN;
+ my $ret="<img src=\"".urlto($dest, $params{destpage}).
+ "\" alt=\"".gettext("linkmap").
+ "\" usemap=\"#linkmap$mapnum\" />\n".
+ <IN>;
+ close IN || error gettext("failed to run dot");
waitpid $pid, 0;
+ if ($?) {
+ error gettext("failed to run dot");
+ }
$SIG{PIPE}="DEFAULT";
error gettext("failed to run dot") if $sigpipe;