Add patch

diff --git a/doc/todo/progressbar_plugin.mdwn b/doc/todo/progressbar_plugin.mdwn
index 34769ca7be6c468fe61e3f063349e486ab7e6597..2325d2e402beaf834d8ec996440132beeb9aae62 100644 (file)
--- a/doc/todo/progressbar_plugin.mdwn
+++ b/doc/todo/progressbar_plugin.mdwn
@@ -50,3 +50,72 @@ Any comments? --[[Paweł|ptecza]]
 
 > to have a progress bar marking how many bugs were compete for a
 > particular milestone.  -- [[Will]]
 
 > to have a progress bar marking how many bugs were compete for a
 > particular milestone.  -- [[Will]]

+
+>> Attached is a [[patch]] (well, source) for this.  You also need to add the proposed CSS above to `style.css`.
+>> At the moment this plugin interacts poorly with the [[plugins/htmlscrubber]] plugin.
+>> HTMLScrubber plugin removes the `style` attribute from the `progress-done` `div` tag, and so it defaults
+>> to a width of 100%. -- [[Will]]
+
+    #!/usr/bin/perl
+    package IkiWiki::Plugin::progress;
+    
+    use warnings;
+    use strict;
+    use IkiWiki 2.00;
+    
+    my $percentage_pattern = qr/[0-9]\%/; # pattern to validate percentages
+    
+    sub import { #{{{
+       hook(type => "getsetup", id => "progress", call => \&getsetup);
+       hook(type => "preprocess", id => "progress", call => \&preprocess);
+    } # }}}
+    
+    sub getsetup () { #{{{
+       return 
+               plugin => {
+                       safe => 1,
+                       rebuild => undef,
+               },
+    } #}}}
+    
+    sub preprocess (@) { #{{{
+       my %params=@_;
+       
+       my $fill;
+       
+       if (defined $params{percent}) {
+               $fill = $params{percent};
+               ($fill) = $fill =~ m/($percentage_pattern)/; # fill is untainted now
+       }
+       elsif (defined $params{totalpages} and defined $params{donepages}) {
+               add_depends($params{page}, $params{totalpages});
+               add_depends($params{page}, $params{donepages});
+    
+               my @pages=keys %pagesources;
+               my $totalcount=0;
+               my $donecount=0;
+               foreach my $page (@pages) {
+                       $totalcount++ if pagespec_match($page, $params{totalpages}, location => $params{page});
+                       $donecount++ if pagespec_match($page, $params{donepages}, location => $params{page});
+               }
+               
+               if ($totalcount == 0) {
+                       $fill = "100%"
+               } else {
+                       my $number = $donecount/$totalcount*100;
+                       $fill = sprintf("%u%%", $number);
+               }
+       }
+       else {
+               error("Missing parameters to progress plugin.  Need either `percent` or `totalpages` and `donepages` parameters.");
+       }
+    
+       return <<EODIV
+    <div class="progress">
+      <div class="progress-done" style="width: $fill">$fill</div>
+    </div>
+    EODIV
+    
+    } # }}}
+    
+    1