#40 Blocks in View

Jun 04, 2007 | 9 minutes | Views

If you try to create a helper method which accepts a block, you will run into a few gotchas. Learn the secrets of blocks in views in this episode.

Click to Play Video ▶

Download:
mp4Full Size H.264 Video (12.7 MB)
m4vSmaller H.264 Video (8.9 MB)
webmFull Size VP8 Video (26.1 MB)
ogvFull Size Theora Video (16.3 MB)

Show Notes
37 Comments
Similar Episodes
Next Episode >
< Previous Episode

          rhtml
        
<% side_section do %>
  This is on the side bar.
<% end %>

<% admin_area do %>
  <%= link_to "Edit Task", edit_task_path(@task) %>
<% end %>

          ruby
        
# application_helper
def side_section(&block)
  @side_sections ||= []
  @side_sections << capture(&block)
end

def admin_area(&block)
  concat('<div class="admin">', block.binding)
  block.call
  concat("</div>", block.binding)
end

# or...
def admin_area(&block)
  if admin?
    concat content_tag(:div, capture(&block), :class => 'admin'), block.binding
  end
end