Module: Merb::PartsMixin

Defined in:
lib/merb-parts/mixins/parts_mixin.rb

Instance Method Summary collapse

Instance Method Details

#part(opts = {}) ⇒ Object

Dispatches a PartController.

Parameters

opts<Hash>

A Hash of Options. (see below)

Options

An option hash has two parts.

  1. keys that are Merb::PartControllers with values that are action names (as symbols)

  2. key value pairs that will become available in the PartController as params merged with the web controllers params

Example

Calling a part controller
{{{
  part TodoPart => :list
 }}}

Calling a part with additional options
{{{
  part TodoPart => :list, :limit => 20, :user => current_user 
}}}

Returns

Returns the result of the PartControllers action, which is a string.



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# File 'lib/merb-parts/mixins/parts_mixin.rb', line 27

def part(opts = {})
  # Extract any params out that may have been specified
  klasses, opts = opts.partition do |k,v| 
    k.respond_to?(:ancestors) && k.ancestors.include?(Merb::PartController)
  end       

  opts = opts.empty? ? {} : Hash[*(opts.first)]
  
  res = klasses.inject([]) do |memo,(klass,action)|
    memo << klass.new(self, opts)._dispatch(action)
  end
  res.size == 1 ? res[0] : res
end