gistfile1.rb

class CreateContentelements < ActiveRecord::Migration
  def self.up
    create_table :contentelements do |t|
      t.string :name
      t.text :data
      t.references :elementdefinition

      t.timestamps
    end
  end

  def self.down
    drop_table :contentelements
  end
end



class CreateElementdefinitions < ActiveRecord::Migration
  def self.up
    create_table :elementdefinitions do |t|
      t.string :name
      t.text :description
      t.text :options
      t.text :template

      t.timestamps
    end
  end

  def self.down
    drop_table :elementdefinitions
  end
end




class Contentelement < ActiveRecord::Base
  belongs_to :elementdefinition
end



class Elementdefinition < ActiveRecord::Base
  has_many :contentlements
end

New contentelement

<%= render 'form' %>

<%= link_to 'Back', contentelements_path %>

form

<%= form_for(@contentelement) do |f| %>
<% if @contentelement.errors.any? %>

<%= pluralize(@contentelement.errors.count, "error") %> prohibited this contentelement from being saved:

  <ul>
  <% @contentelement.errors.full_messages.each do |msg| %>
    <li><%= msg %></li>
  <% end %>
  </ul>
</div>

<% end %>

<%= f.label :name %>
<%= f.text_field :name %>

<%= f.label :data %>
<%= f.text_area :data %>

<%= f.label :elementdefinition %>
<%= f.text_field :elementdefinition %>

<%= f.submit %>

<% end %>