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orbit-4-1/vendor/plugins/liquid/lib/extras/liquid_view.rb

51 lines
2.1 KiB
Ruby

# LiquidView is a action view extension class. You can register it with rails
# and use liquid as an template system for .liquid files
#
# Example
#
# ActionView::Base::register_template_handler :liquid, LiquidView
class LiquidView
PROTECTED_ASSIGNS = %w( template_root response _session template_class action_name request_origin session template
_response url _request _cookies variables_added _flash params _headers request cookies
ignore_missing_templates flash _params logger before_filter_chain_aborted headers )
PROTECTED_INSTANCE_VARIABLES = %w( @_request @controller @_first_render @_memoized__pick_template @view_paths
@helpers @assigns_added @template @_render_stack @template_format @assigns )
def self.call(template)
"LiquidView.new(self).render(template, local_assigns)"
end
def initialize(view)
@view = view
end
def render(template, local_assigns = nil)
@view.controller.headers["Content-Type"] ||= 'text/html; charset=utf-8'
# Rails 2.2 Template has source, but not locals
if template.respond_to?(:source) && !template.respond_to?(:locals)
assigns = (@view.instance_variables - PROTECTED_INSTANCE_VARIABLES).inject({}) do |hash, ivar|
hash[ivar[1..-1]] = @view.instance_variable_get(ivar)
hash
end
else
assigns = @view.assigns.reject{ |k,v| PROTECTED_ASSIGNS.include?(k) }
end
source = template.respond_to?(:source) ? template.source : template
local_assigns = (template.respond_to?(:locals) ? template.locals : local_assigns) || {}
if content_for_layout = @view.instance_variable_get("@content_for_layout")
assigns['content_for_layout'] = content_for_layout
end
assigns.merge!(local_assigns.stringify_keys)
liquid = Liquid::Template.parse(source)
liquid.render(assigns, :filters => [@view.controller.master_helper_module], :registers => {:action_view => @view, :controller => @view.controller})
end
def compilable?
false
end
end