1 files changed, 119 insertions, 14 deletions

diff --git a/IkiWiki/Plugin/websetup.pm b/IkiWiki/Plugin/websetup.pm
index a30475977..0a0d4480f 100644
--- a/IkiWiki/Plugin/websetup.pm
+++ b/IkiWiki/Plugin/websetup.pm
@@ -5,46 +5,114 @@ use warnings;
 use strict;
 use IkiWiki 2.00;
 
+my @rcs_plugins=(qw{git svn bzr mercurial monotone tla norcs});
+my @default_force_plugins=(qw{amazon_s3});
+
 sub import { #{{{
-	hook(type => "sessioncgi", id => "websetup",
-	     call => \&sessioncgi);
-	hook(type => "formbuilder_setup", id => "websetup",
+	hook(type => "checkconfig", id => "websetup", call => \&checkconfig);
+	hook(type => "getsetup", id => "websetup", call => \&getsetup);
+	hook(type => "sessioncgi", id => "websetup", call => \&sessioncgi);
+	hook(type => "formbuilder_setup", id => "websetup", 
 	     call => \&formbuilder_setup);
 } # }}}
 
-sub addfields ($$@) {
+sub getsetup () { #{{{
+	return
+		websetup_force_plugins => {
+			type => "string",
+			example => \@default_force_plugins,
+			description => "list of plugins that cannot be enabled/disabled via the web interface",
+			safe => 0,
+			rebuild => 0,
+		},
+} #}}}
+
+sub checkconfig () { #{{{
+	if (! exists $config{websetup_force_plugins}) {
+		$config{websetup_force_plugins}=\@default_force_plugins;
+	}
+} #}}}
+
+sub formatexample ($) { #{{{
+	my $example=shift;
+
+	if (defined $example && ! ref $example && length $example) {
+		return "<br/ ><small>Example: <tt>$example</tt></small>";
+	}
+	else {
+		return "";
+	}
+} #}}}
+
+sub showfields ($$$@) { #{{{
 	my $form=shift;
-	my $section=shift;
+	my $plugin=shift;
+	my $enabled=shift;
 
+	my @show;
 	while (@_) {
 		my $key=shift;
 		my %info=%{shift()};
 
-		next if ! $info{safe} || $info{type} eq "internal";
+		# skip complex, unsafe, or internal settings
+		next if ref $config{$key} || ! $info{safe} || $info{type} eq "internal";
+		# these are handled specially, so don't show
+		next if $key eq 'add_plugins' || $key eq 'disable_plugins';
+		
+		push @show, $key, \%info;
+	}
 
-		my $description=exists $info{description_html} ? $info{description_html} : $info{description};
+	return 0 unless @show;
 
-		my $value=$config{$key};
-		# multiple plugins can have the same key
-		my $name=$section.".".$key;
+	my $section=defined $plugin ? $plugin." ".gettext("plugin") : gettext("main");
+
+	if (defined $plugin) {
+		if (! showplugintoggle($form, $plugin, $enabled, $section) && ! $enabled) {
+		    # plugin not enabled and cannot be, so skip showing
+		    # its configuration
+		    return 0;
+		}
+	}
+
+	while (@show) {
+		my $key=shift @show;
+		my %info=%{shift @show};
 
+		my $description=exists $info{description_html} ? $info{description_html} : $info{description};
+		my $value=$config{$key};
+		# multiple plugins can have the same field
+		my $name=defined $plugin ? $plugin.".".$key : $key;
+		
 		if ($info{type} eq "string") {
 			$form->field(
 				name => $name,
 				label => $description,
-				comment => exists $info{example} && length $info{example} && $info{example} ne $value ? "<br/ ><small>Example: <tt>$info{example}</tt></small>" : "",
+				comment => defined $value && length $value ? "" : formatexample($info{example}),
 				type => "text",
 				value => $value,
 				size => 60,
 				fieldset => $section,
 			);
 		}
+		elsif ($info{type} eq "pagespec") {
+			$form->field(
+				name => $name,
+				label => $description,
+				comment => formatexample($info{example}),
+				type => "text",
+				value => $value,
+				size => 60,
+				validate => \&IkiWiki::pagespec_valid,
+				fieldset => $section,
+			);
+		}
 		elsif ($info{type} eq "integer") {
 			$form->field(
 				name => $name,
 				label => $description,
 				type => "text",
 				value => $value,
+				size => 5,
 				validate => '/^[0-9]+$/',
 				fieldset => $section,
 			);
@@ -60,7 +128,29 @@ sub addfields ($$@) {
 			);
 		}
 	}
-}
+
+	return 1;
+} #}}}
+
+sub showplugintoggle ($$$$) { #{{{
+	my $form=shift;
+	my $plugin=shift;
+	my $enabled=shift;
+	my $section=shift;
+
+	return 0 if (grep { $_ eq $plugin } @{$config{websetup_force_plugins}}, @rcs_plugins);
+
+	$form->field(
+		name => "enable.$plugin",
+		label => "",
+		type => "checkbox",
+		options => [ [ 1 => sprintf(gettext("enable %s?"), $plugin) ] ],
+		value => $enabled,
+		fieldset => $section,
+	);
+
+	return 1;
+} #}}}
 
 sub showform ($$) { #{{{
 	my $cgi=shift;
@@ -81,6 +171,7 @@ sub showform ($$) { #{{{
 		charset => "utf-8",
 		method => 'POST',
 		javascript => 0,
+		reset => 1,
 		params => $cgi,
 		action => $config{cgiurl},
 		template => {type => 'div'},
@@ -97,14 +188,28 @@ sub showform ($$) { #{{{
 
 	$form->field(name => "do", type => "hidden", value => "setup",
 		force => 1);
-	addfields($form, gettext("main"), IkiWiki::getsetup());
+	showfields($form, undef, undef, IkiWiki::getsetup());
+	
+	# record all currently enabled plugins before all are loaded
+	my %enabled_plugins=%IkiWiki::loaded_plugins;
+
+	# per-plugin setup
 	require IkiWiki::Setup;
+	my %plugins=map { $_ => 1 } IkiWiki::listplugins();
 	foreach my $pair (IkiWiki::Setup::getsetup()) {
 		my $plugin=$pair->[0];
 		my $setup=$pair->[1];
-		addfields($form, $plugin." ".gettext("plugin"), @{$setup});
+		
+		# skip all rcs plugins except for the one in use
+		next if $plugin ne $config{rcs} && grep { $_ eq $plugin } @rcs_plugins;
+
+		delete $plugins{$plugin} if showfields($form, $plugin, $enabled_plugins{$plugin}, @{$setup});
 	}
 
+	# list all remaining plugins (with no setup options) at the end
+	showplugintoggle($form, $_, $enabled_plugins{$_}, gettext("other plugins"))
+		foreach sort keys %plugins;
+	
 	if ($form->submitted eq "Cancel") {
 		IkiWiki::redirect($cgi, $config{url});
 		return;