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Using a partial render across all pages in a app
Posted on 2011-03-09
I have written a test app with a Controller called pages. Pages has index, about, contact, and doc in the Pages controller. I want to create a widget that is a partial render that will be included in all of them with the default layout. The widget will display data from a model. I got this to work by creating a variable in each method in the Pages controller that are all the same thing. Howdo I do this without duplication all that effort?
For example in my Pages controller I have:
I want to provide the data to the partial without having to repeat it everywhere.
For example in my Pages controller I have:
class PagesController < ApplicationController
def index
@blah="42"
end
def contact
@blah="42"
end
def about
@blah="42"
end
def doc
@blah="42"
end
end
I want to provide the data to the partial without having to repeat it everywhere.
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3 Comments
Check out ActionController::Base filters:
If you don't want the method to be called for all actions, you can specify :only or :except options to the before_filter call.
class PagesController < ApplicationController
# This would call :set_categories before calling corresponding
# action-specific methods.
before_filter :set_categories
def action_a
end
def action_b
end
protected
def set_categories
@categories = Category.find(:all)
end
end
If you don't want the method to be called for all actions, you can specify :only or :except options to the before_filter call.
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