materialize_renderer.rb

class MaterializeRenderer < SimpleNavigation::Renderer::Base
  def render(item_container)
    data = hash_render(item_container)
    list = []
    data.each do |item|
      unless item[:items]
        options = { class: "waves-effect waves-teal #{item[:class].present? ? item[:class] : ''}" }
        options[:method] = item[:method] if item[:method]
        a  = link_to item[:name], item[:url], options
        li = content_tag :li, a, class: (item[:selected] ? 'active' : '')
        list << li
      else
        lis = []
        item[:items].each do |item2|
          options = { class: 'waves-effect waves-teal' }
          options[:method] = item2[:method] if item2[:method]
          a  = link_to item2[:name], item2[:url], options
          li = content_tag :li, a, class: (item2[:selected] ? 'active' : '')
          lis << li
        end
        ul  = content_tag :ul, lis.join
        div = content_tag :div, ul, class: 'collapsible-body'
        options = { class: "collapsible-header waves-effect waves-teal #{item[:selected] ? 'active' : ''}" }
        options[:method] = item[:method] if item[:method]
        a   = link_to item[:name], '#', options
        li = content_tag :li, [a, div].join, class: (item[:selected] ? 'active' : '')
        list << li
      end
    end
    list.join.html_safe
  end

  def hash_render(item_container)
    return nil unless item_container

    item_container.items.map do |item|
      {
        items:    hash_render(item.sub_navigation),
        name:     item.name,
        selected: item.selected?,
        url:      item.url,
        method:   item.method,
        class:    item.html_options[:class],
      }
    end
  end
end