Class: Liquid::Template

Inherits:
Object
  • Object
show all
Defined in:
lib/dm_core/liquid_extensions.rb

Class Method Summary collapse

Class Method Details

.register_tag(name, klass) ⇒ Object 



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# File 'lib/dm_core/liquid_extensions.rb', line 10

def register_tag(name, klass)
  register_tag_namespace(name, klass)
end

.register_tag_namespace(name, klass, namespace = 'system_tags') ⇒ Object

Store tags in a namespace, usually a theme name. This is so we can register many different tags for each theme and keep them seperate.



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# File 'lib/dm_core/liquid_extensions.rb', line 17

def register_tag_namespace(name, klass, namespace = 'system_tags')
  tags_namespaced(namespace)[name.to_s] = klass
end

.tags ⇒ Object

return the list of tags that are available. Tags available at any instance is the global tags, the current theme’s tags, and the parent theme’s tags.



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# File 'lib/dm_core/liquid_extensions.rb', line 24

def tags
  if Account.current.nil?
    tags_namespaced('system_tags').merge(@tags)
  else
    t = tags_namespaced('system_tags').merge(@tags).merge(tags_namespaced(Account.current.current_theme))
    
    #--- if parent theme, reverse_merge tags - they should not override current theme tags
    t.reverse_merge!(tags_namespaced(Account.current.parent_theme)) if Account.current.parent_theme
    return t
  end
end

.tags_namespaced(namespace) ⇒ Object 



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# File 'lib/dm_core/liquid_extensions.rb', line 37

def tags_namespaced(namespace)
  @tags_namespaced            ||= {}
  @tags_namespaced[namespace] ||= {}
end