October 15, 2006
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Action Based Layouts
In an app I’m working on right now, I wanted to change the layout for the entire application based on the action name. I’ve seen a few ways to do this but here is what I put in application.rb:
layout proc{ |c| ['show', 'new', 'edit'].include?(c.action_name) ? 'single_column' : 'application' }Now, the show, new and edit actions will render with the ‘single_column’ layout and the rest will render with the ‘application’ layout.
I saw someone put this in a post:
layout 'single_column', :only => [:show, :new, :edit]
layout 'application', :except => [:show, :new, :edit]
But it didn’t work for me. If anyone knows how to get something along those lines working, let me know and I’ll update this tip. Above is not the only way to change the layout based on the action. You can also:
layout :decide_template
protected
def decide_template
if ['show', 'new', 'edit'].include?(action_name)
'single_column'
else
'application'
end
end
Which allows for more complex decisions if needed.
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