Class: GeneratorContext

Inherits:
Object
  • Object
show all
Defined in:
lib/cuca/generator_context.rb

Overview

A good context for generators. It will find and run widgets on method_missing.

Instance Method Summary collapse

Constructor Details

#initialize(assigns, base_object) ⇒ GeneratorContext

Returns a new instance of GeneratorContext.



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# File 'lib/cuca/generator_context.rb', line 8

def initialize(assigns, base_object)
  assigns.each_pair do |k,v|
     instance_variable_set("@#{k}", v)
  end
  @base = base_object
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(sym, *args, &block) ⇒ Object 



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# File 'lib/cuca/generator_context.rb', line 15

def method_missing(sym, *args, &block )
  class_name = sym.id2name

     
  # 1st try to find method in the base widget
  if @base.respond_to?(class_name.intern) then 
        return @base.send(class_name, *args, &block)
  end
  c = nil
  # 2nd try to find a widget
  if Object.const_defined?(class_name+'Widget') then
       c = Object::const_get(class_name+'Widget')
  else
       # ...try to find in action namespace
       mod = $app.urlmap.action_module
       c = mod.const_get(class_name+'Widget') if mod.const_defined?(class_name+'Widget')
  end
     
  raise NameError.new "Undefined method: #{class_name}" unless c
 
  widget = c.new({:args => args,
                :assigns => @assigns },
                &block)

  return widget.to_s
end

Instance Method Details

#get_bindings ⇒ Object 



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# File 'lib/cuca/generator_context.rb', line 4

def get_bindings
   binding
end