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Versions: 6
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Contents
module MountainView
class Presenter
class_attribute :_properties, instance_accessor: false
self._properties = {}
attr_reader :slug, :properties
def initialize(slug, properties = {})
@slug = slug
@properties = default_properties.deep_merge(properties)
end
def render(context, &block)
context.extend ViewContext
context.inject_component_context self
properties[:yield] ||= yield
context.render partial, partial: partial
end
def partial
"#{slug}/#{slug}"
end
private
def default_properties
self.class._properties.inject({}) do |sum, (k, v)|
sum[k] = v[:default]
sum
end
end
class << self
def component_for(*args)
klass = "#{args.first.to_s.camelize}Component".safe_constantize
klass ||= self
klass.new(*args)
end
def properties(*args)
opts = args.extract_options!
properties = args.inject({}) do |sum, name|
sum[name] = opts
sum
end
define_property_methods(args)
self._properties = _properties.merge(properties)
end
alias_method :property, :properties
private
def define_property_methods(names = [])
names.each do |name|
next if method_defined?(name)
define_method name do
properties[name.to_sym]
end
end
end
end
module ViewContext
attr_reader :_component
delegate :properties, to: :_component
def inject_component_context(component)
@_component = component
protected_methods = MountainView::Presenter.public_methods(false)
methods = component.public_methods(false) - protected_methods
methods.each do |meth|
next if self.class.method_defined?(meth)
self.class.delegate meth, to: :_component
end
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems