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Module: ActionView::LookupContext::ViewPaths

Relationships & Source Files
Defined in: actionview/lib/action_view/lookup_context.rb

Overview

::ActionView::Helpers related to template lookup using the lookup context information.

Instance Attribute Summary

Instance Method Summary

Instance Attribute Details

#html_fallback_for_js (readonly)

[ GitHub ] 

  


# File 'actionview/lib/action_view/lookup_context.rb', line 107



attr_reader :view_paths, :html_fallback_for_js


  








  

    #view_paths   (rw)
  

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# File 'actionview/lib/action_view/lookup_context.rb', line 107



attr_reader :view_paths, :html_fallback_for_js


  








  

    #view_paths=(paths)   (rw)
  



  

    

Whenever setting view paths, makes a copy so that we can manipulate them in instance objects as we wish.


  



  [ GitHub ]


  

  


# File 'actionview/lib/action_view/lookup_context.rb', line 111



def view_paths=(paths)
  @view_paths = ActionView::PathSet.new(Array(paths))
end


  







Instance Method Details



  

    #any?(name, prefixes = [], partial = false)  ⇒ Boolean 
    Also known as: #any_templates?
  



  

    
  





  


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# File 'actionview/lib/action_view/lookup_context.rb', line 133



def any?(name, prefixes = [], partial = false)
  @view_paths.exists?(*args_for_any(name, prefixes, partial))
end


  








  

    #any_templates?(name, prefixes = [], partial = false)  
  



  

    

Alias for #any?.


  



  [ GitHub ]


  

  


# File 'actionview/lib/action_view/lookup_context.rb', line 136



alias :any_templates? :any?


  








  

    #detail_args_for(options)   (private)
  



  

    

Compute details hash and key according to user options (e.g. passed from #render).


  



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# File 'actionview/lib/action_view/lookup_context.rb', line 161



def detail_args_for(options) # :doc:
  return @details, details_key if options.empty? # most common path.
  user_details = @details.merge(options)

  if @cache
    details_key = DetailsKey.get(user_details)
  else
    details_key = nil
  end

  [user_details, details_key]
end


  








  

    #exists?(name, prefixes = [], partial = false, keys = [], **options)  ⇒ Boolean 
    Also known as: #template_exists?
  



  

    
  





  


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# File 'actionview/lib/action_view/lookup_context.rb', line 128



def exists?(name, prefixes = [], partial = false, keys = [], **options)
  @view_paths.exists?(*args_for_lookup(name, prefixes, partial, keys, options))
end


  








  

    #find(name, prefixes = [], partial = false, keys = [], options = {})  
    Also known as: #find_template
  

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# File 'actionview/lib/action_view/lookup_context.rb', line 115



def find(name, prefixes = [], partial = false, keys = [], options = {})
  @view_paths.find(*args_for_lookup(name, prefixes, partial, keys, options))
end


  








  

    #find_all(name, prefixes = [], partial = false, keys = [], options = {})  
  

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# File 'actionview/lib/action_view/lookup_context.rb', line 124



def find_all(name, prefixes = [], partial = false, keys = [], options = {})
  @view_paths.find_all(*args_for_lookup(name, prefixes, partial, keys, options))
end


  








  

    #find_file(name, prefixes = [], partial = false, keys = [], options = {})  
  

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# File 'actionview/lib/action_view/lookup_context.rb', line 120



def find_file(name, prefixes = [], partial = false, keys = [], options = {})
  @view_paths.find_file(*args_for_lookup(name, prefixes, partial, keys, options))
end


  








  

    #find_template(name, prefixes = [], partial = false, keys = [], options = {})  
  



  

    

Alias for #find.


  



  [ GitHub ]


  

  


# File 'actionview/lib/action_view/lookup_context.rb', line 118



alias :find_template :find


  








  

    #template_exists?(name, prefixes = [], partial = false, keys = [], **options)  
  



  

    

Alias for #exists?.


  



  [ GitHub ]


  

  


# File 'actionview/lib/action_view/lookup_context.rb', line 131



alias :template_exists? :exists?


  








  

    #with_fallbacks  
  



  

    

Adds fallbacks to the view paths. Useful in cases when you are rendering a :file.


  



  [ GitHub ]


  

  


# File 'actionview/lib/action_view/lookup_context.rb', line 140



def with_fallbacks
  added_resolvers = 0
  self.class.fallbacks.each do |resolver|
    next if view_paths.include?(resolver)
    view_paths.push(resolver)
    added_resolvers += 1
  end
  yield
ensure
  added_resolvers.times { view_paths.pop }
end