From 1a670d3aca228fb9baed05890b175ef9aed9b102 Mon Sep 17 00:00:00 2001
From: intrigeri <intrigeri@boum.org>
Date: Wed, 15 Oct 2008 02:13:56 +0200
Subject: po plugin: make translation percentage available in OTHERLANGUAGES
 loop

Signed-off-by: intrigeri <intrigeri@boum.org>
---
 IkiWiki/Plugin/po.pm | 31 +++++++++++++++++++++++++++----
 doc/plugins/po.mdwn  | 23 ++++++++++++++++-------
 2 files changed, 43 insertions(+), 11 deletions(-)

diff --git a/IkiWiki/Plugin/po.pm b/IkiWiki/Plugin/po.pm
index aa592989b..eee6d4058 100644
--- a/IkiWiki/Plugin/po.pm
+++ b/IkiWiki/Plugin/po.pm
@@ -237,7 +237,6 @@ sub filter (@) { #{{{
 		'file_in_charset'  => 'utf-8',
 		'file_out_charset' => 'utf-8',
 	) or error("[po/filter:$file]: failed to translate");
-	my ($percent,$hit,$queries) = $doc->stats();
 	my $tmpfh = File::Temp->new(TEMPLATE => "/tmp/ikiwiki-po-filter-out.XXXXXXXXXX");
 	my $tmpout = $tmpfh->filename;
 	$doc->write($tmpout) or error("[po/filter:$file] could not write $tmpout");
@@ -257,16 +256,40 @@ sub htmlize (@) { #{{{
 	return IkiWiki::htmlize($page, $page, pagetype($masterfile), $content);
 } #}}}
 
+sub percenttranslated ($) { #{{{
+	my $page=shift;
+	return "N/A" unless (istranslation($page));
+	my ($masterpage, $lang) = ($page =~ /(.*)[.]([a-z]{2})$/);
+	my $file=srcfile($pagesources{$page});
+	my $masterfile = srcfile($pagesources{$masterpage});
+	my (@pos,@masters);
+	push @pos,$file;
+	push @masters,$masterfile;
+	my %options = (
+			"markdown" => (pagetype($masterfile) eq 'mdwn') ? 1 : 0,
+			);
+	my $doc=Locale::Po4a::Chooser::new('text',%options);
+	$doc->process(
+		'po_in_name'	=> \@pos,
+		'file_in_name'	=> \@masters,
+		'file_in_charset'  => 'utf-8',
+		'file_out_charset' => 'utf-8',
+	) or error("[po/percenttranslated:$file]: failed to translate");
+	my ($percent,$hit,$queries) = $doc->stats();
+	return $percent;
+} #}}}
+
 sub otherlanguages ($) { #{{{
 	my $page=shift;
 	my @ret;
 	if (istranslatable($page)) {
 		foreach my $lang (sort keys %{$translations{$page}}) {
+			my $translation = $translations{$page}{$lang};
 			push @ret, {
-				url => urlto($translations{$page}{$lang}, $page),
+				url => urlto($translation, $page),
 				code => $lang,
 				language => $config{po_slave_languages}{$lang},
-				master => 0,
+				percent => percenttranslated($translation),
 			};
 		}
 	}
@@ -283,7 +306,7 @@ sub otherlanguages ($) { #{{{
 				url => urlto($translations{$masterpage}{$lang}, $page),
 				code => $lang,
 				language => $config{po_slave_languages}{$lang},
-				master => 0,
+				percent => percenttranslated($page),
 			} unless ($lang eq $curlang);
 		}
 	}
diff --git a/doc/plugins/po.mdwn b/doc/plugins/po.mdwn
index 64d22d34c..ab37ae419 100644
--- a/doc/plugins/po.mdwn
+++ b/doc/plugins/po.mdwn
@@ -126,25 +126,34 @@ Usage
 Templates
 ---------
 
-The `OTHERLANGUAGES` loop provides ways to display the existing
-translations and/or master page. One typically adds the following code
-to `templates/page.tmpl`:
+The `OTHERLANGUAGES` loop provides ways to display other languages'
+versions of the same page, and the translations' status.
+
+One typically adds the following code to `templates/page.tmpl`:
 
 	<TMPL_IF NAME="OTHERLANGUAGES">
 	<div id="otherlanguages">
 	  <ul>
 	  <TMPL_LOOP NAME="OTHERLANGUAGES">
 	    <li>
-	      <a href="<TMPL_VAR NAME="URL">"
-	         class="is_master_<TMPL_VAR NAME="MASTER">">
-	      <TMPL_VAR NAME="LANGUAGE">
-	    </a>
+	      <a href="<TMPL_VAR NAME="URL">"><TMPL_VAR NAME="LANGUAGE"></a>
+	      <TMPL_UNLESS NAME="MASTER">
+	        (<TMPL_VAR NAME="PERCENT">&nbsp;%)
+	      </TMPL_UNLESS>
 	    </li>
 	  </TMPL_LOOP>
 	  </ul>
 	</div>
 	</TMPL_IF>
 
+The following variables are available inside the loop (for every page in):
+
+- `URL` - url to the page
+- `CODE` - two-letters language code
+- `LANGUAGE` - language name (as defined in `po_slave_languages`)
+- `MASTER` - is true (1) if, and only if the page is a "master" page
+- `PERCENT` - for "slave" pages, is set to the translation completeness, in percents
+
 Additional PageSpec tests
 -------------------------
 
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