Hola,
He echo una adaptacion de tu codigo, a mí me funciona:
Mi condicion de categoria principal: (category.parent_id == nil)
Mi partial(_categories.html.erb):
<ul id="categories" style="list-style:none;">
<% @categories.all(:order => "show_order asc").each do |category| %>
<% content_tag_for :li, category do %>
<span class="handle"><%= image_tag "drag.png" %></span>
<%= link_to category.name, blog_category_path(@blog.permalink,
category.permalink)%> (<%= category.posts.size%>)
<ul class="<%= category.children.size > 0 ? "" : "blog_category"
%>" style="list-style:none;">
<% category.children.all(:order => "show_order asc").each do
|sub_category| %>
<% content_tag_for :li, sub_category do %>
<span class="handle"><%= image_tag "drag.png"%> </span>
<%= link_to sub_category.name,
blog_category_path(@blog.permalink, sub_category.permalink)%>
(<%= sub_category.posts.size%>)
<% end %>
<% end %>
</ul>
<% end %>
<% end %>
</ul>
<%= sortable_element 'categories', :url =>
sort_blog_categories_path(@blog.permalink),:complete =>
visual_effect(:highlight, 'categories'), :handle => "handle", :tree =>
:true, :update => "nav_zone" %>
Mi controlador:
def sort
i_sort params[:categories]
@categories = @blog.categories.root
render :partial => "categories/categories.html.erb"
end
def i_sort(categories_hash )
parent_id = categories_hash[:id] || nil
puts categories_hash.to_a.to_s rescue puts categories_hash.to_s
categories_hash.each do |key, value|
if key != "id"
category = Category.find(value[:id].to_i)
category.show_order = key
category.parent_id = parent_id
category.save
i_sort(value)
end
end
end
Suerte.
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