Let page edit from can select layout

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

@@ -13,7 +13,7 @@
 
 <p>
 <%= f.label :layout_name, "Layout Name" %>
-<%= f.text_field :layout_name, :class => 'text' %>
+<%= f.select :layout_name, Layout.all.map{ |l| [l.description, l.name] } %>
 </p>
 
 <p>

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

@@ -3,6 +3,11 @@
 <%= f.text_field :name, :class => 'text' %>
 </p>
 
+<p>
+<%= f.label :description, "Description" %>
+<%= f.text_field :description, :class => 'text' %>
+</p>
+
 <p id="content_zh_tw_block">
 <%= f.label "content_zh_tw", "Content (zh_tw)" %>
 <%= f.text_area "content_zh_tw", :size => '100x30' %>

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

@@ -7,6 +7,7 @@
 <% @layouts.each do |layout| %>
   <tr>
     <td><%= layout.name %></td>
+    <td><%= layout.description %></td>
     <td><%= link_to t(:edit), edit_admin_layout_path(layout) %></td>
     <td><%= link_to t(:delete), admin_layout_path(layout), :confirm => 'Are you sure?', :method => :delete %></td>
   </tr>

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

@@ -19,7 +19,7 @@
 
 <p>
 <%= f.label :layout_name, "Layout Name" %>
-<%= f.text_field :layout_name, :class => 'text' %>
+<%= f.select :layout_name, Layout.all.map{ |l| [l.description, l.name] } %>
 </p>
 
 <p id="content_zh_tw_block">