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@tmaier
Created January 2, 2012 11:08
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BootstrapTopbarList for simple-navigation and Twitter Bootstrap integration
# Renders an ItemContainer as a <ul> element and its containing items as <li> elements.
# Prepared to use inside the topbar of Twitter Bootstrap http://twitter.github.com/bootstrap/#navigation
#
# Register the renderer and use following code in your view:
# render_navigation(level: 1..2, renderer: :bootstrap_topbar_list, expand_all: true)
class BootstrapTopbarList < SimpleNavigation::Renderer::Base
def render(item_container)
if options[:is_subnavigation]
ul_class = "dropdown-menu"
else
ul_class = "nav"
end
list_content = item_container.items.inject([]) do |list, item|
li_options = item.html_options.reject {|k, v| k == :link}
if include_sub_navigation?(item)
li_options[:class] = [li_options[:class], "dropdown"].flatten.compact.join(' ')
end
li_content = tag_for(item)
if include_sub_navigation?(item)
li_content << render_sub_navigation_for(item)
end
list << content_tag(:li, li_content, li_options)
end.join
if skip_if_empty? && item_container.empty?
''
else
content_tag(:ul, list_content, { :id => item_container.dom_id, :class => [item_container.dom_class, ul_class].flatten.compact.join(' ') })
end
end
def render_sub_navigation_for(item)
item.sub_navigation.render(self.options.merge(:is_subnavigation => true))
end
protected
def tag_for(item)
if item.url.nil?
content_tag('span', item.name, link_options_for(item).except(:method))
else
link_to(item.name, item.url, link_options_for(item))
end
end
# Extracts the options relevant for the generated link
#
def link_options_for(item)
special_options = {:method => item.method}.reject {|k, v| v.nil? }
link_options = item.html_options[:link] || {}
opts = special_options.merge(link_options)
opts[:class] = [link_options[:class], item.selected_class, dropdown_link_class(item)].flatten.compact.join(' ')
opts.delete(:class) if opts[:class].nil? || opts[:class] == ''
opts
end
def dropdown_link_class(item)
if include_sub_navigation?(item) && !options[:is_subnavigation]
"dropdown-toggle"
end
end
end
@pusewicz
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pusewicz commented Feb 2, 2012

Thanks, added!

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