Class: BrainDamage::ViewSchemas::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/generators/brain_damage/lib/views/schemas/base.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(resource) ⇒ Base

Returns a new instance of Base.



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# File 'lib/generators/brain_damage/lib/views/schemas/base.rb', line 12

def initialize(resource)
  @views = {}
  @resource = resource
  find_views_names
end

Instance Attribute Details

#views ⇒ Object (readonly)

Returns the value of attribute views.



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# File 'lib/generators/brain_damage/lib/views/schemas/base.rb', line 10

def views
  @views
end

Instance Method Details

#describe_view(name, options = {}) ⇒ Object 



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# File 'lib/generators/brain_damage/lib/views/schemas/base.rb', line 44

def describe_view(name, options = {})
  # First it tries BrainDamage::View::[SpecificSchemaClass]::[SpecificViewClass]
  # Then it tries BrainDamage::View::[SpecificSchemaClass]::Base
  # If none exists, it will try both again with SpecificSchemaClass.parent, until eventually
  # landing on BrainDamage::View::Base::Base

  schema_class = self.class
  view_class_name = options[:view_class_name] || name.to_s.split('/').map{ |part| part.gsub('.', '_').camelize }.join('::')
  options[:schema] = self

  loop do
    specific_view_class_name = "BrainDamage::View::#{schema_class.name.demodulize}::#{view_class_name}"
    if Object.const_defined? specific_view_class_name
      @views[name] = eval(specific_view_class_name).new @resource, options
      break
    end

    base_view_class_name = "BrainDamage::View::#{schema_class.name.demodulize}::Base"
    #puts base_view_class_name
    if Object.const_defined? base_view_class_name
      klass = eval base_view_class_name

      if (options[:template_name] and Pathname.new(options[:template_name]).absolute?) or klass.has_template? name
        options[:file_name] = "#{name}.html.haml" unless options[:file_name]
        options[:template_name] = "#{name}.html.haml" unless options[:template_name]
        @views[name] = eval(base_view_class_name).new @resource, options
        break
      end
    end

    schema_class = schema_class.superclass

    if schema_class == Object
      puts "ERROR: Unable to find any class capable of rendering the view: #{name}"
      break
    end
  end
end

#ensure_views_descriptions ⇒ Object 



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# File 'lib/generators/brain_damage/lib/views/schemas/base.rb', line 38

def ensure_views_descriptions
  @views_names.each do |name|
    describe_view name unless view_described? name
  end
end

#find_views_names ⇒ Object 



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# File 'lib/generators/brain_damage/lib/views/schemas/base.rb', line 18

def find_views_names
  schema_class = self.class
  @views_names = []

  loop do
    path = File.join(dir, schema_class.name.demodulize.underscore, 'templates/')

    @views_names += Dir.glob(path + '**/*' ).select{ |name|
      name =~ /html.haml$/
    }.map{ |name|
      name.gsub('.html.haml', '').gsub(path, '')
    }

    break if schema_class == BrainDamage::ViewSchemas::Base
    schema_class = schema_class.superclass
  end

  @views_names.uniq!
end

#view_described?(name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/generators/brain_damage/lib/views/schemas/base.rb', line 83

def view_described? name
  @views.has_key? name
end