def standardize_items
  # noop to override default behavior, which wouldn't let '_left' through and would therefore break
end

format :html do
  view :pointer_core do |args| # view: :core, mod: Type::Pointer::HtmlFormat
    %{<div class="pointer-list">#{render_pointer_items args}</div>}
  end

  view :core do |args|
    if card.content == '_left'
      core_inherit_content args
    else
      render :pointer_core, args
    end
  end

  view :closed_content do |args|
    args[:item] ||= :link
    render_core args
  end

  view :editor do |args|
    set_name = card.cardname.trunk_name
    set_card = Card.fetch(set_name)
    not_set = set_card && set_card.type_id != SetID

    group_options = Auth.as_bot do
      Card.search({ type_id: RoleID, sort: 'name' }, 'roles by name')
    end

    inheritable = not_set ? false : set_card.inheritable?
    inheriting = inheritable && card.content=='_left'

    item_names = inheriting ? [] : card.item_names

    %{
      #{ hidden_field :content, class: 'card-content' }
      <div class="perm-editor">

        #{ if inheritable; %{
          <div class="perm-inheritance perm-section">
            #{ check_box_tag 'inherit', 'inherit', inheriting }
            <label>
              #{ core_inherit_content args.merge(target: 'wagn_role') }
              #{ content_tag( :a, title: "use left's #{card.cardname.tag} rule") { '?' } }
            </label>
          </div>
        } end }

        <div class="perm-group perm-vals perm-section">
          <h5>Groups</h5>
          #{
            group_options.map do |option|
              checked = !!item_names.delete(option.name)
              %{
                <div class="group-option">
                  #{ check_box_tag( "#{option.key}-perm-checkbox", option.name, checked, class: 'perm-checkbox-button'  ) }
                  <label>#{ card_link option.name, target: 'wagn_role' }</label>
                </div>
              }
            end * "\n"
          }
        </div>

        <div class="perm-indiv perm-vals perm-section">
          <h5>Individuals</h5>
          #{ _render_list item_list: item_names, extra_css_class: 'perm-indiv-ul' }
        </div>

      </div>
    }
  end




  private

  def core_inherit_content args={}
    sc = args[:set_context]
    text = if sc && sc.tag_name.key == Card[:self].key
      begin
        task = card.tag.codename
        ancestor = Card[sc.trunk_name.trunk_name]
        links = ancestor.who_can( task.to_sym ).map do |card_id|
          card_link Card[card_id].name, target: args[:target]
        end*", "
        "Inherit ( #{links} )"
      rescue
        'Inherit'
      end
    else
      'Inherit from left card'
    end
    %{<span class="inherit-perm">#{text}</span>}
  end
end