96 lines
2.1 KiB
Ruby
96 lines
2.1 KiB
Ruby
class Admin::MenuCell < Cell::Base
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include ::Rails.application.routes.url_helpers
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delegate :sections, :to => :parent_controller
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attr_accessor :list
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def initialize(*args)
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super
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self.list = []
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end
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def show(args = {})
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self.build_list
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render
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end
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def url_options
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super.reverse_merge(
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:host => request.host_with_port,
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:protocol => request.protocol,
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:_path_segments => request.symbolized_path_parameters
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).merge(:script_name => request.script_name)
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end
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class MenuProxy
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def initialize(cell)
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@cell = cell
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end
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def method_missing(meth, *args)
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@cell.send(meth, *args)
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end
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end
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def self.update_for(name, &block)
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method_name = "build_list_with_#{name}".to_sym
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previous_method_name = "build_list_without_#{name}".to_sym
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self.send(:define_method, method_name) do
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self.send(previous_method_name)
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block.call(MenuProxy.new(self))
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end
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# Note: this might cause "stack level too deep" if called twice for the same name
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alias_method_chain :build_list, name.to_sym
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end
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protected
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def build_list
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raise 'the build_list method must be overridden'
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end
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def build_item(name, attributes)
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unless attributes.key?(:label)
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attributes[:label] = localize_label(name)
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end
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attributes.merge!(:name => name, :class => name.to_s.dasherize.downcase)
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end
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def add(name, attributes)
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self.list << build_item(name, attributes)
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end
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def add_after(pivot, name, attributes)
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index = self.list.index { |i| i[:name] == pivot }
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self.list.insert(index + 1, self.build_item(name, attributes))
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end
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def add_before(pivot, name, attributes)
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index = self.list.index { |i| i[:name] == pivot }
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self.list.insert(index, self.build_item(name, attributes))
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end
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def modify(name, attributes)
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self.find(name).merge!(attributes)
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end
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def remove(name)
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self.list.delete_if { |i| i[:name] == name }
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end
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def find(name)
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self.list.detect { |i| i[:name] == name }
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end
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def localize_label(label)
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I18n.t("admin.shared.menu.#{label}")
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end
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end |