Add Item#ancestors

app/controllers/admin/components_controller.rb

@@ -10,7 +10,7 @@ class Admin::ComponentsController < ApplicationController
   def new
     @component = Component.new
     @component.is_published = true
-    @component.parent_item_name = @parent_item.name
+    @component.parent_name = @parent_item.name
     
     @component.engine_name = 'Announcement' # only support Announcement now
   end
@@ -24,7 +24,7 @@ class Admin::ComponentsController < ApplicationController
 
     if @component.save
       flash[:notice] = 'Component was successfully created.'
-      redirect_to admin_items_url( :parent_item_name => @component.parent_item_name )
+      redirect_to admin_items_url( :parent_name => @component.parent_name )
     else
      render :action => "new"
     end
@@ -35,7 +35,7 @@ class Admin::ComponentsController < ApplicationController
 
     if @component.update_attributes(params[:component])
       flash[:notice] = 'Component was successfully updated.'
-      redirect_to admin_items_url( :parent_item_name => @component.parent_item_name )
+      redirect_to admin_items_url( :parent_name => @component.parent_name )
     else
       render :action => "edit"
     end
@@ -47,7 +47,7 @@ class Admin::ComponentsController < ApplicationController
     
     #TODO: destroy engine data
     
-    redirect_to admin_items_url( :parent_item_name => @component.parent_item_name )
+    redirect_to admin_items_url( :parent_name => @component.parent_name )
   end
   
 end

app/controllers/admin/items_controller.rb

@@ -5,13 +5,14 @@ class Admin::ItemsController < ApplicationController
   before_filter :find_snippets, :only => :index
   
   def index
-    @items = Item.all( :conditions => { :parent_item_name => @parent_item.name } )
+    @items = Item.all( :conditions => { :parent_name => @parent_item.name } )
+    @items.unshift Item.find_by_name("root") if @parent_item.name == 'root'
   end
  
   protected
   
   def find_snippets
-    @snippets = Snippet.all( :conditions => { :parent_item_name => @parent_item.name } )
+    @snippets = Snippet.all( :conditions => { :parent_name => @parent_item.name } )
   end
   
 end

app/controllers/admin/links_controller.rb

@@ -10,7 +10,7 @@ class Admin::LinksController < ApplicationController
   def new
     @link = Link.new
     @link.is_published = true
-    @link.parent_item_name = @parent_item.name
+    @link.parent_name = @parent_item.name
   end
 
   def edit
@@ -22,7 +22,7 @@ class Admin::LinksController < ApplicationController
 
     if @link.save
       flash[:notice] = 'Link was successfully created.'
-      redirect_to admin_items_url( :parent_item_name => @link.parent_item_name )
+      redirect_to admin_items_url( :parent_name => @link.parent_name )
     else
      render :action => "new"
     end
@@ -33,7 +33,7 @@ class Admin::LinksController < ApplicationController
 
     if @link.update_attributes(params[:link])
       flash[:notice] = 'Link was successfully updated.'
-      redirect_to admin_items_url( :parent_item_name => @link.parent_item_name )
+      redirect_to admin_items_url( :parent_name => @link.parent_name )
     else
       render :action => "edit"
     end
@@ -43,7 +43,7 @@ class Admin::LinksController < ApplicationController
     @link = Link.find(params[:id])
     @link.destroy
 
-    redirect_to admin_items_url( :parent_item_name => @link.parent_item_name )
+    redirect_to admin_items_url( :parent_name => @link.parent_name )
   end
   
 end

app/controllers/admin/pages_controller.rb

@@ -10,7 +10,7 @@ class Admin::PagesController < ApplicationController
   def new
     @page = Page.new
     @page.is_published = true
-    @page.parent_item_name = @parent_item.name
+    @page.parent_name = @parent_item.name
   end
 
   def edit
@@ -22,7 +22,7 @@ class Admin::PagesController < ApplicationController
 
     if @page.save
       flash[:notice] = 'Page was successfully created.'
-      redirect_to admin_items_url( :parent_item_name => @page.parent_item_name )
+      redirect_to admin_items_url( :parent_name => @page.parent_name )
     else
      render :action => "new"
     end
@@ -33,7 +33,7 @@ class Admin::PagesController < ApplicationController
 
     if @page.update_attributes(params[:page])
       flash[:notice] = 'Page was successfully updated.'
-      redirect_to admin_items_url( :parent_item_name => @page.parent_item_name )
+      redirect_to admin_items_url( :parent_name => @page.parent_name )
     else
       render :action => "edit"
     end
@@ -43,7 +43,7 @@ class Admin::PagesController < ApplicationController
     @page = Page.find(params[:id])
     @page.destroy
 
-    redirect_to admin_items_url( :parent_item_name => @page.parent_item_name )
+    redirect_to admin_items_url( :parent_name => @page.parent_name )
   end
   
 end

app/controllers/admin/snippets_controller.rb

@@ -9,7 +9,7 @@ class Admin::SnippetsController < ApplicationController
 
   def new
     @snippet = Snippet.new
-    @snippet.parent_item_name = @parent_item.name
+    @snippet.parent_name = @parent_item.name
   end
 
   def edit
@@ -21,7 +21,7 @@ class Admin::SnippetsController < ApplicationController
 
     if @snippet.save
       flash[:notice] = 'Snippet was successfully created.'
-      redirect_to admin_items_url( :parent_item_name => @snippet.parent_item_name )
+      redirect_to admin_items_url( :parent_name => @snippet.parent_name )
     else
       render :action => "new"
     end
@@ -32,7 +32,7 @@ class Admin::SnippetsController < ApplicationController
 
     if @snippet.update_attributes(params[:snippet])
       flash[:notice] = 'Snippet was successfully updated.'
-      redirect_to admin_items_url( :parent_item_name => @snippet.parent_item_name )
+      redirect_to admin_items_url( :parent_name => @snippet.parent_name )
     else
       render :action => "edit" 
     end
@@ -42,7 +42,7 @@ class Admin::SnippetsController < ApplicationController
     @snippet = Snippet.find(params[:id])
     @snippet.destroy
 
-    redirect_to admin_items_url( :parent_item_name => @snippet.parent_item_name )
+    redirect_to admin_items_url( :parent_name => @snippet.parent_name )
   end
   
 end

app/controllers/application_controller.rb

@@ -32,9 +32,9 @@ class ApplicationController < ActionController::Base
   end
   
   def find_parent_item
-    @parent_item  = Item.find_by_name(params[:parent_item_name] || 'root')
+    @parent_item  = Item.find_by_name(params[:parent_name])
     unless @parent_item
-      @parent_item = Page.create( :name => 'root', :title => t(:homepage), :layout_name => "root" )
+      @parent_item = Page.create( :name => "root", :title => "root", :layout_name => "root" )
     end
   end
   

app/helpers/admin_helper.rb

@@ -0,0 +1,8 @@
+module AdminHelper
+  
+  def show_parent_items_link(parent_item)  
+    @parent_items = @parent_item.ancestors.map{ |i| i.name }
+    ( @parent_items.map{ |i| link_to(i, admin_items_path(:parent_name=>i) ) } << parent_item.name ).join("/")
+  end
+  
+end

app/models/item.rb

@@ -5,19 +5,30 @@ class Item
   key :_type, String
   
   key :name, String, :required => true, :index => true
-  key :parent_item_name, String, :required => true, :index => true
+
+  key :parent_name, String, :index => true
+  key :parent_id,  String, :index => true
   
   key_i18n :title, String, :required => true
    
   key :position, Integer, :required => true
   key :is_published, Boolean, :required => true, :default => true, :index => true
  
+  belongs_to :parent, :class_name => "Item", :foreign_key => :parent_id
+  many :children, :class_name => "Item", :foreign_key => :parent_id
+  
   before_validation :setup_default_value
  
   def self.find_by_name(item_name)
     Item.find(:first, :conditions => { :name => item_name, :is_published => true })
   end
   
+  def ancestors
+    node, nodes = self, []
+    nodes << node = node.parent while !node.parent.blank?
+    nodes.reverse
+  end
+
   protected
         
   def setup_default_value
@@ -26,8 +37,11 @@ class Item
       self.position = (max_page)? max_page.position.to_i + 1 : 1
     end
     
-    if self.parent_item_name.blank?
-      self.parent_item_name = "root"
+    if self.parent_name.blank?
+      self.parent_name = nil
+      self.parent_id = nil
+    else
+      self.parent_id = Item.find_by_name( self.parent_name ).id
     end
   end
     

app/models/snippet.rb

@@ -3,7 +3,7 @@ class Snippet
    include MongoMapper::Document
   
    key :name, String, :required => true, :index => true
-   key :parent_item_name, String, :required => true, :index => true
+   key :parent_name, String, :required => true, :index => true
    key_i18n :content, String
    
    

app/views/admin/components/_form.html.erb

@@ -1,5 +1,5 @@
 <%= f.error_messages %>
-<%= f.hidden_field :parent_item_name %>
+<%= f.hidden_field :parent_name %>
 
 <p>
 <%= f.label :name, "Name" %>

app/views/admin/items/_component.html.erb

@@ -1,6 +1,6 @@
 <tr>
     <td><%= item.class %></td>
-  <td><%= link_to item.name, admin_items_path(:parent_item_name => item.name) %></td>
+  <td><%= link_to item.name, admin_items_path(:parent_name => item.name) %></td>
   <td><%=h item.title %>
   <td><%= item.position %></td>
   <td><%= item.is_published.to_s %></td>

app/views/admin/items/_link.html.erb

@@ -1,6 +1,6 @@
 <tr>
   <td><%= item.class %></td>
-  <td><%= link_to item.name, admin_items_path(:parent_item_name => item.name) %></td>
+  <td><%= link_to item.name, admin_items_path(:parent_name => item.name) %></td>
   <td><%=h item.title %>
   <td><%= item.position %></td>
   <td><%= item.is_published.to_s %></td>

app/views/admin/items/_page.html.erb

@@ -1,6 +1,6 @@
 <tr>
     <td><%= item.class %></td>
-  <td><%= link_to item.name, admin_items_path(:parent_item_name => item.name) %></td>
+  <td><%= link_to item.name, admin_items_path(:parent_name => item.name) %></td>
   <td><%=h item.title %>
   <td><%= item.position %></td>
   <td><%= item.is_published.to_s %></td>

app/views/admin/items/index.html.erb

@@ -1,13 +1,13 @@
 <% content_for :secondary do %>
     <ul class="list">
-        <li><%= link_to t(:new_page, :scope => :admin), new_admin_page_path( :parent_item_name => @parent_item.name ), :class => 'button positive' %></li>
-        <li><%= link_to t(:new_component, :scope => :admin), new_admin_component_path( :parent_item_name => @parent_item.name ) %>
-        <li><%= link_to t(:new_link, :scope => :admin), new_admin_link_path( :parent_item_name => @parent_item.name ) %>
-        <li><%= link_to t(:new_snippet, :scope => :admin ), new_admin_snippet_path( :parent_item_name => @parent_item.name ), :class => 'button positive' %></li>
+        <li><%= link_to t(:new_page, :scope => :admin), new_admin_page_path( :parent_name => @parent_item.name ), :class => 'button positive' %></li>
+        <li><%= link_to t(:new_component, :scope => :admin), new_admin_component_path( :parent_name => @parent_item.name ) %>
+        <li><%= link_to t(:new_link, :scope => :admin), new_admin_link_path( :parent_name => @parent_item.name ) %>
+        <li><%= link_to t(:new_snippet, :scope => :admin ), new_admin_snippet_path( :parent_name => @parent_item.name ), :class => 'button positive' %></li>
     </ul>
 <% end -%>
 
-<h1>Listing items: <%= @parent_item.name %>/</h1>
+<h1>Listing items: <%= show_parent_items_link(@parent_item) %></h1>
 
 <table>
   <tr>

app/views/admin/links/_form.html.erb

@@ -1,5 +1,5 @@
 <%= f.error_messages %>
-<%= f.hidden_field :parent_item_name %>
+<%= f.hidden_field :parent_name %>
 
 <p>
 <%= f.label :name, "Name" %>

app/views/admin/pages/_form.html.erb

@@ -1,5 +1,5 @@
 <%= f.error_messages %>
-<%= f.hidden_field :parent_item_name %>
+<%= f.hidden_field :parent_name %>
 
 <p>
 <%= f.label :name, "Name" %>

app/views/admin/snippets/_form.html.erb

@@ -1,5 +1,5 @@
 <%= f.error_messages %>
-<%= f.hidden_field :parent_item_name %>
+<%= f.hidden_field :parent_name %>
 
 <p>
 <%= f.label :name, "Name" %>