nested layouts. closes #208

bin/middleman

@@ -56,7 +56,9 @@ module Middleman
   end
 end
 
-if ARGV.length < 1 || %w(server build migrate).include?(ARGV.first)
+ARGV << "server" if ARGV.length < 1
+
+if %w(server build migrate).include?(ARGV)
   Middleman::ProjectLocator.locate_middleman_root!
 else
   Middleman::ProjectLocator.start_cli!

features/nested_layouts.feature

@@ -0,0 +1,9 @@
+Feature: Allow nesting of layouts
+
+  Scenario: A page uses an inner layout when uses an outer layout
+    Given the Server is running at "nested-layout-app"
+    When I go to "/index.html"
+    Then I should see "Template"
+    And I should see "Inner"
+    And I should see "Outer"
+    And I should see "Master"

fixtures/nested-layout-app/config.rb

@@ -0,0 +1 @@
+set :layout, :inner

fixtures/nested-layout-app/source/index.html.erb

@@ -0,0 +1 @@
+Template

fixtures/nested-layout-app/source/layouts/inner.erb

@@ -0,0 +1,4 @@
+<% wrap_layout :outer do %>
+  Inner
+  <%= yield %>
+<% end %>

fixtures/nested-layout-app/source/layouts/master.erb

@@ -0,0 +1,2 @@
+Master
+<%= yield %>

fixtures/nested-layout-app/source/layouts/outer.erb

@@ -0,0 +1,4 @@
+<% wrap_layout :master do %>
+  Outer
+  <%= yield %>
+<% end %>

lib/middleman/cli/server.rb

@@ -37,5 +37,4 @@ module Middleman::Cli
   end
   
   Base.map({ "s" => "server" })
-  Base.default_task :server
 end

lib/middleman/core_extensions/rendering.rb

@@ -44,6 +44,8 @@ module Middleman::CoreExtensions::Rendering
       # the template don't persist for other templates.
       context = self.dup
 
+      @current_locs = locs, @current_opts = opts
+
       while ::Tilt[path]
         content = render_individual_file(path, locs, opts, context)
         path = File.basename(path, File.extname(path))
@@ -60,6 +62,8 @@ module Middleman::CoreExtensions::Rendering
     ensure
       @current_engine = engine_was
       @content_blocks = nil
+      @current_locs = nil
+      @current_opts = nil
     end
     
     # Sinatra/Padrino render method signature.
@@ -198,6 +202,12 @@ module Middleman::CoreExtensions::Rendering
     
       layout_path
     end
+    
+    def wrap_layout(layout_name, &block)
+      content = capture(&block) if block_given?
+      layout_path = locate_layout(layout_name, current_engine)
+      concat render_individual_file(layout_path, @current_locs || {}, @current_opts || {}, self) { content }
+    end
   
     def current_engine
       @current_engine ||= nil

lib/middleman/guard.rb

@@ -41,12 +41,6 @@ module Guard
     def initialize(watchers = [], options = {})
       super
       @options = options
-
-      # Trap the interupt signal and shut down Guard (and thus the server) smoothly
-      trap(kill_command) do 
-        ::Guard.stop
-        exit!(0)
-      end
     end
     
     # Start Middleman in a fork
@@ -81,7 +75,7 @@ module Guard
       puts "== The Middleman is shutting down"
       if ::Middleman::JRUBY
       else
-        Process.kill(kill_command, @server_job)
+        Process.kill(self.class.kill_command, @server_job)
         Process.wait @server_job
         @server_job = nil
       end
@@ -113,6 +107,10 @@ module Guard
       paths.each { |path| tell_server(:delete => path) }
     end
     
+    def self.kill_command
+      ::Middleman::WINDOWS ? 1 : :INT
+    end
+    
   private
     # Whether the passed files are config.rb or lib/*.rb
     # @param [Array<String>] paths Array of paths to check
@@ -129,9 +127,11 @@ module Guard
       uri = URI.parse("http://#{@options[:host]}:#{@options[:port]}/__middleman__")
       Net::HTTP.post_form(uri, {}.merge(params))
     end
-    
-    def kill_command
-      ::Middleman::WINDOWS ? 1 : :INT
-    end
   end
+end
+
+# Trap the interupt signal and shut down Guard (and thus the server) smoothly
+trap(::Guard::Middleman.kill_command) do 
+  ::Guard.stop
+  # exit!(0)
 end