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Added callback to the generator to enable chaining

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Alexander Pauly 2011-09-14 19:57:16 +02:00
parent 00cec639c0
commit 94ecaaf643
2 changed files with 17 additions and 4 deletions
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9
Readme.markdown
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@ -138,16 +138,19 @@ end
If you want a helper, you can still call `rails generate helper` directly. If you want a helper, you can still call `rails generate helper` directly.
#### Replace Rails Helper Generation with Decorator Generation (Optional) #### Add DecoratorGenerator to ActiveRecord Generator (Optional)
If you want to completely replace the helper generation with the decorator generator, just add this to your `config/application.rb` Add the following to your `config/application.rb`
```ruby ```ruby
config.generators do |g| config.generators do |g|
g.helper :decorator g.orm :decorator, :invoke_after_finished => "active_record:model"
end end
``` ```
From now on, every model you generate will first invoke the DecoratorGenerator. The Decorator will then invoke the active_record:model Generator.
### Generate the Decorator ### Generate the Decorator
To decorate a model named `Article`: To decorate a model named `Article`:

12
lib/generators/rails/decorator_generator.rb
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@ -1,5 +1,15 @@
require File.expand_path('../../draper/decorator/decorator_generator.rb', __FILE__) require File.expand_path('../../draper/decorator/decorator_generator.rb', __FILE__)
class Rails::DecoratorGenerator < Draper::DecoratorGenerator class Rails::DecoratorGenerator < Draper::DecoratorGenerator
source_root File.expand_path('../../draper/decorator/templates', __FILE__) source_root File.expand_path('../../draper/decorator/templates', __FILE__)
class_option :invoke_after_finished, :type => :string, :description => "Generator to invoke when finished"
def build_model_and_application_decorators
super
if self.options[:invoke_after_finished]
Rails::Generators.invoke(self.options[:invoke_after_finished], [@name, @_initializer.first[1..-1]])
end
end
end end