Cache File.directory? calls to avoid filesystem calls when using layouts


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Rendering xml shouldnt happen inside any layout. Added class proxying to RJS, so you can call page.field.clear("my_field") to generate Field.clear("my_field");. Added :content_type option to render, so you can change the content type on the fly. Do type/subtype reordering of Accept header preferences for xml types (aka make Firefox work with respond_to). CHANGED DEFAULT: The default content type for .rxml is now application/xml instead of type/xml, see http://www.xml.com/pub/a/2004/07/21/dive.html for reason

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Added reusable reloading support through the inclusion of the Relodable module that all subclasses of ActiveRecord::Base, ActiveRecord::Observer, ActiveController::Base, and ActionMailer::Base automatically gets [DHH]. Added auto-loading support for classes in modules, so Conductor::Migration will look for conductor/migration.rb and Conductor::Database::Settings will look for conductor/database/settings.rb [Nicholas Seckar]. Refactored extensions to module, class, and object in active support [DHH]

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Change layout discovery to take into account the change in semantics with File.join and nil arguments.

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Improved performance of test app req/sec with ~10% refactoring the render method #1823 [Stefan Kaes]

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render(:action) and render() are the only two render calls to use a layout by default. All others default to :layout => false. Also, allow :layout => true to be a synonym for :layout => nil.


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render(:text), render(:partial), and render(:nothing) always default to :layout => false. This also fixes send_file, which was applying a layout if one existed for the current action.


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Deprecated all render_* methods in favor of consolidating all rendering behavior in Base#render(options). This enables more natural use of combining options, such as layouts

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Deprecated redirect_to_path and redirect_to_url in favor of letting redirect_to do the right thing when passed either a path or url. Introduced r as a unified method for render (still under construction)

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Added conditional layouts like <tt>layout "weblog_standard", :except => :rss</tt> #452 [Marcel Molina] -- We are still missing unit tests for layouts in general, so please do contribute if you want some testing workout

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Added that controllers will now search for a layout in $template_root/layouts/$controller_name.r(html|xml), so PostsController will look for layouts/posts.rhtml or layouts/posts.rxml and automatically configure this layout if found #307 [Marcel]

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