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Versions: 88
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Contents
module RedmineExtensions
class BasePresenter < SimpleDelegator
attr_reader :model, :options
def self.registered_presenters
@registered_presenters ||= {}
end
def self.register(klass_name, *for_classes)
for_classes = [klass_name.sub(/Presenter$/, '')] unless for_classes.any?
for_classes.each do |name|
registered_presenters[name] = klass_name
end
end
def self.presenter_for(model)
klasses = model.hiearchy.map do |klass|
(registered_presenters[klass] || "#{klass}Presenter").constantize rescue nil
end.compact
raise NameError, 'presenter for ' + model.class.name + ' is not registered' unless klasses.any?
klasses.first
end
def self.present(model, view, options={})
presenter_for(model).new(model, view, options)
end
def initialize(model, view, options={})
@model, @view, @options = model, view, options
super(@model)
end
def update_options(options={})
@view = options.delete(:view_context) if options.key?(:view_context)
@options.merge!(options)
self
end
def to_model
@model || self
end
def h
@view
end
protected
def model=(model)
@model = model
__setobj__(model)
end
end
end
Version data entries
88 entries across 88 versions & 1 rubygems