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module Dashboard
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module Manager
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class << self
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def map
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@widgets ||= []
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mapper = Mapper.new(@widgets)
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if block_given?
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yield mapper
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else
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mapper
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end
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end
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def widgets
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# force menu reload in development when auto loading modified files
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@widgets ||= Dashboard::Loader.load
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end
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end
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class Mapper
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attr_reader :widgets
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def initialize(widgets)
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@widgets = widgets
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end
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# Adds an widget at the end of the list. Available options:
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# * before, after: specify where the widget should be inserted (eg. :after => :activity)
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def push(obj, options = {})
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# menu widget position
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if options[:first]
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@widgets.unshift(obj)
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elsif (before = options[:before]) && exists?(before)
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@widgets.insert( position_of(before), obj)
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elsif (after = options[:after]) && exists?(after)
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@widgets.insert( position_of(after) + 1, obj)
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else
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@widgets.push(obj)
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end
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end
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def widget(id, options = {})
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push(Widget.new(id, options), options)
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end
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# Removes a menu widget
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def delete(name)
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if found = self.find(name)
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@widgets.remove!(found)
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end
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end
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# Checks if a menu widget exists
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def exists?(name)
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@widgets.any? {|widget| widget.name == name}
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end
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def find(name)
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@widgets.find {|widget| widget.name == name}
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end
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def position_of(name)
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@widgets.each do |widget|
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if widget.name == name
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return widget.position
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end
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end
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end
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end
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end
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end
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