71 lines
2 KiB
Ruby
71 lines
2 KiB
Ruby
module ActionView #:nodoc:
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class PartialTemplate < Template #:nodoc:
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attr_reader :variable_name, :object
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def initialize(view, partial_path, object = nil, locals = {})
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@path, @variable_name = extract_partial_name_and_path(view, partial_path)
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super(view, @path, true, locals)
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add_object_to_local_assigns!(object)
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# This is needed here in order to compile template with knowledge of 'counter'
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initialize_counter
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# Prepare early. This is a performance optimization for partial collections
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prepare!
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end
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def render
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ActionController::Base.benchmark("Rendered #{@path}", Logger::DEBUG, false) do
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@handler.render(self)
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end
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end
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def render_member(object)
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@locals[@counter_name] += 1
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@locals[:object] = @locals[@variable_name] = object
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template = render_template
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@locals.delete(@variable_name)
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@locals.delete(:object)
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template
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end
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def counter=(num)
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@locals[@counter_name] = num
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end
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private
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def add_object_to_local_assigns!(object)
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@locals[:object] ||=
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@locals[@variable_name] ||=
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if object.is_a?(ActionView::Base::ObjectWrapper)
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object.value
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else
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object
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end || @view.controller.instance_variable_get("@#{variable_name}")
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end
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def extract_partial_name_and_path(view, partial_path)
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path, partial_name = partial_pieces(view, partial_path)
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[File.join(path, "_#{partial_name}"), partial_name.split('/').last.split('.').first.to_sym]
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end
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def partial_pieces(view, partial_path)
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if partial_path.include?('/')
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return File.dirname(partial_path), File.basename(partial_path)
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else
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return view.controller.class.controller_path, partial_path
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end
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end
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def initialize_counter
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@counter_name ||= "#{@variable_name}_counter".to_sym
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@locals[@counter_name] = 0
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end
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end
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end
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