我已经用 Cocoon 和表格成功地实现了一级嵌套表单。但是,我很难将注意力集中在如何做另一个嵌套级别上。我的问题是如何用桌子做到这一点。也许一张桌子根本不是写的方式。谢谢你帮助一个新手。
这是我的模型:
class Profession < ApplicationRecord
has_many :procedure_categories, dependent: :destroy
accepts_nested_attributes_for :procedure_categories, allow_destroy: true
end
和:
class ProcedureCategory < ApplicationRecord
belongs_to :profession
has_many :procedures
accepts_nested_attributes_for :procedures, allow_destroy: true
end
和:
class Procedure < ApplicationRecord
belongs_to :procedure_category
end
这是我的顶级表单代码:
<%= form_for(@profession) do |f| %>
<%= render 'shared/profession_error_messages' %>
<%= f.label :profession %>
<%= f.text_field :profession, class: 'form-control' %>
<%= f.label :description %>
<%= f.text_field :description, class: 'form-control' %>
<%= f.label :active, class: "checkbox inline" do %>
<%= f.check_box :active %>
<span>Active profession?</span>
<% end %>
<table class='table'>
<thead>
<tr>
<th>Category</th>
<th>Description</th>
<th>Display Order</th>
<th>Selection Type</th>
<th>Delete</th>
<th>Edit</th>
</tr>
</thead>
<tbody class="categories">
<%= f.fields_for :procedure_categories do |procedure_category| %>
<%= render 'procedure_category_fields', f: procedure_category %>
<% end %>
</tbody>
</table>
<%= link_to_add_association 'Add Category', f, :procedure_categories,
data: { association_insertion_node: '.categories', association_insertion_method: :append } %>
<br><br>
<%= f.submit "Save", class: "btn btn-primary" %>
<% end %>
下一个部分向下一级:
<tr class="nested-fields">
<td><%= f.text_field :category, class: 'form-control' %></td>
<td><%= f.text_field :description, class: 'form-control' %></td>
<td><%= f.text_field :display_order, class: 'form-control' %></td>
<% cs = options_for_select(controls, f.object.selection_type) %>
<td><%= f.select :selection_type, cs, class: 'form-control' %></td>
<td><%= link_to_remove_association "Remove Category", f %></td>
<% if f.object != nil %>
<td><%= link_to "Category", edit_procedure_category_path(@profession,f.object) %><td></td>
<% end %>
</tr>
所以,我正在努力解决如何实现嵌套的最终级别(程序)。
谢谢你的聆听。