From 2e1670a821ac2582ac8c65f3ec39bfa64d27577a Mon Sep 17 00:00:00 2001
From: joey <joey@0fa5a96a-9a0e-0410-b3b2-a0fd24251071>
Date: Sun, 12 Aug 2007 09:19:20 +0000
Subject: [PATCH] * Add time=mtime option to postsparkline.

---
 IkiWiki/Plugin/postsparkline.pm | 18 +++++++++++++-----
 debian/changelog                |  3 ++-
 doc/plugins/postsparkline.mdwn  | 11 +++++++----
 doc/todo.mdwn                   | 12 ++++++++++++
 4 files changed, 34 insertions(+), 10 deletions(-)

diff --git a/IkiWiki/Plugin/postsparkline.pm b/IkiWiki/Plugin/postsparkline.pm
index e4fe9c154..6f7558bc4 100644
--- a/IkiWiki/Plugin/postsparkline.pm
+++ b/IkiWiki/Plugin/postsparkline.pm
@@ -21,6 +21,13 @@ sub preprocess (@) { #{{{
 		return "";
 	}
 
+	if (! exists $params{time} || $params{time} ne 'mtime') {
+		$params{timehash} = \%IkiWiki::pagectime;
+	}
+	else {
+		$params{timehash} = \%IkiWiki::pagemtime;
+	}
+
 	if (! exists $params{formula}) {
 		return "[[postsparkline ".gettext("missing formula")."]]";
 	}
@@ -42,14 +49,15 @@ sub preprocess (@) { #{{{
 		}
 	}
 	
-	@list = sort { $IkiWiki::pagectime{$b} <=> $IkiWiki::pagectime{$a} } @list;
+	@list = sort { $params{timehash}->{$b} <=> $params{timehash}->{$a} } @list;
 
-	delete $params{pages};
-	delete $params{formula};
 	my @data=eval qq{IkiWiki::Plugin::postsparkline::formula::$formula(\\\%params, \@list)};
 	if ($@) {
 		return "[[postsparkline error $@]]";
 	}
+	delete $params{pages};
+	delete $params{formula};
+	delete $params{ftime};
 	return IkiWiki::Plugin::sparkline::preprocess(%params, 
 		map { $_ => "" } reverse @data);
 } # }}}
@@ -63,7 +71,7 @@ sub perfoo ($@) {
 	my $count=0;
 	my @data;
 	foreach (@_) {
-		$cur=$sub->($IkiWiki::pagectime{$_});
+		$cur=$sub->($params->{timehash}->{$_});
 		if (defined $prev) {
 			if ($prev != $cur) {
 				push @data, "$prev,$count";
@@ -114,7 +122,7 @@ sub interval ($@) {
 	my $max=$params->{max};
 	my @data;
 	for (my $i=1; $i < @_; $i++) {
-		push @data, $IkiWiki::pagectime{$_[$i-1]} - $IkiWiki::pagectime{$_[$i]};
+		push @data, $params->{timehash}->{$_[$i-1]} - $params->{timehash}->{$_[$i]};
 		last if --$max <= 0;
 	}
 	return @data;
diff --git a/debian/changelog b/debian/changelog
index c6725a4a2..54ef280e3 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -21,8 +21,9 @@ ikiwiki (2.6) UNRELEASED; urgency=low
   * The patch also adds dcterms:creator to rss items that have a known author.
   * Support pagespec "functions" with no parameters, like included() in the
     conditional plugin.
+  * Add time=mtime option to postsparkline.
 
- -- Joey Hess <joeyh@debian.org>  Sat, 11 Aug 2007 19:26:14 -0400
+ -- Joey Hess <joeyh@debian.org>  Sun, 12 Aug 2007 05:17:23 -0400
 
 ikiwiki (2.5) unstable; urgency=low
 
diff --git a/doc/plugins/postsparkline.mdwn b/doc/plugins/postsparkline.mdwn
index a85d7e824..da2e6830e 100644
--- a/doc/plugins/postsparkline.mdwn
+++ b/doc/plugins/postsparkline.mdwn
@@ -16,8 +16,8 @@ statistics about a set of pages, such as posts to a blog.
 
 # usage
 
-All options aside fron the `pages`, `max`, and `forumla` options are passed
-on to the sparkline plugin.
+All options aside fron the `pages`, `max`, `formula`, and `time` options
+are passed on to the sparkline plugin.
 
 You don't need to specify any data points (though you can if you want to).
 Instead, data points are automatically generated based on the creation
@@ -36,11 +36,14 @@ Available forumlae:
 * `peryear` - Each point represents a day; the height represents how
   many posts were made that year.
 
+The `time` parameter has a default value of "ctime", since forumae use
+the creation times of pages by default. If you instead want
+them to use the modification times of pages, set it to "mtime".
+
 # adding formulae
 
 Additional formulae can be added without modifying this plugin by writing
 plugins that register functions in the
 `IkiWiki::Plugin::postsparkline::formula` namespace. These functions will
 receive on input a reference to a hash of parameters, and a sorted list of
-pages (newest pages first), and should return a list of data points for
-the sparkline plugin.
+pages, and should return a list of data points for the sparkline plugin.
diff --git a/doc/todo.mdwn b/doc/todo.mdwn
index b242871fc..a54c3c7f1 100644
--- a/doc/todo.mdwn
+++ b/doc/todo.mdwn
@@ -2,6 +2,18 @@ Feel free to post your ideas for todo and [[wishlist]] items here, as well
 as any [[patches|patch]]. If it seems more like a bug in the existing code,
 post it to [[bugs]] instead. Link items to [[todo/done]] when done.
 
+[[if test="enabled(postsparkline)"
+then="""
+How long will it take your todo item to be fixed? Well...
+[[postsparkline pages="todo/* and !todo/done and !link(todo/done) and
+!link(patch) and !link(wishlist) and !todo/*/*" max=120
+formula=perday style=bar barwidth=2 barspacing=1 height=13]]
+this many are being added per day  
+[[postsparkline pages="todo/* and !todo and link(todo/done)" max=120
+formula=perday time=mtime style=bar barwidth=2 barspacing=1 height=13]]
+while this many are being fixed.
+"""]]
+
 [[inline pages="todo/* and !todo/done and !link(todo/done) and
 !link(patch) and !link(wishlist) and !todo/*/*"
 feedpages="created_after(todo/supporting_comments_via_disussion_pages)"