toggle: Add support for toggles that are open by default.

Also fix to work in preview mode.

IkiWiki/Plugin/toggle.pm

@@ -81,17 +81,11 @@ sub preprocess_toggle (@) { #{{{
 	my %params=(id => "default", text => "more", @_);
 
 	my $id=genid($params{page}, $params{id});
-	if (! $params{preview}) {
-		return "<a class=\"toggle\" href=\"#$id\">$params{text}</a>";
-	}
-	else {
-		return "$params{text} ".
-			gettext("(not toggleable in preview mode)");
-	}
+	return "<a class=\"toggle\" href=\"#$id\">$params{text}</a>";
 } # }}}
 
 sub preprocess_toggleable (@) { #{{{
-	my %params=(id => "default", text => "", @_);
+	my %params=(id => "default", text => "", open => "no", @_);
 
 	# Preprocess the text to expand any preprocessor directives
 	# embedded inside it.
@@ -99,19 +93,20 @@ sub preprocess_toggleable (@) { #{{{
 		IkiWiki::filter($params{page}, $params{destpage}, $params{text}));
 	
 	my $id=genid($params{page}, $params{id});
+	my $class=(lc($params{open}) ne "yes") ? "toggleable" : "toggleable-open";
 
 	# Should really be a postprocessor directive, oh well. Work around
 	# markdown's dislike of markdown inside a <div> with various funky
 	# whitespace.
 	my ($indent)=$params{text}=~/( +)$/;
 	$indent="" unless defined $indent;
-	return "<div class=\"toggleable\" id=\"$id\"></div>\n\n$params{text}\n$indent<div class=\"toggleableend\"></div>";
+	return "<div class=\"$class\" id=\"$id\"></div>\n\n$params{text}\n$indent<div class=\"toggleableend\"></div>";
 } # }}}
 
 sub format (@) { #{{{
         my %params=@_;
 
-	if ($params{content}=~s!(<div class="toggleable" id="[^"]+">)</div>!$1!g) {
+	if ($params{content}=~s!(<div class="toggleable(?:-open)?" id="[^"]+">)</div>!$1!g) {
 		$params{content}=~s/<div class="toggleableend">//g;
 		if (! ($params{content}=~s!^<\/body>!$javascript</body>!m)) {
 			# no </body> tag, probably in preview mode

debian/changelog

@@ -4,6 +4,8 @@ ikiwiki (2.52) UNRELEASED; urgency=low
     (Sponsored by The TOVA Company.)
   * If attachments are not enabled, configure CGI.pm to disable file
     uploads by default. (An anti-DOS measure.)
+  * toggle: Add support for toggles that are open by default.
+  * toggle: Fix to work in preview mode.
 
  -- Joey Hess <joeyh@debian.org>  Mon, 30 Jun 2008 19:56:28 -0400
 

doc/plugins/toggle.mdwn

@@ -28,3 +28,6 @@ each other, but can be located anywhere on the page. There can also be
 mutiple toggles that all toggle a single togglable.
 
 The id has a default value of "default", so can be omitted in simple cases.
+
+If you'd like a toggleable to be displayed by default, and toggle to
+hidden, then pass a parameter "open=true" when setting up the toggleable.

doc/todo/toggle_initial_state.mdwn

@@ -2,3 +2,5 @@ It would be nice if one could set the initial state of the toggleable area.
 --[[[rdennis]]
 
 [[tag plugins/toggle]]
+
+[[done]]