Hi!
I have trying to switch an existing application over to
active_scaffold. I use several "has_many through" relationships in a
number of models to let the user specify a set of features for each
model.
I have created a simple test application using rails 2.3 and
active_scaffolds master branch. Following the README I have also
installed the render_component plugin.
I have two models, blog and category and the categorization model
connecting them as follows:
class Category < ActiveRecord::Base
has_many :categorizations
has_many :blogs, :through => :categorizations, :source => :blog
end
class Blog < ActiveRecord::Base
has_many :categorizations
has_many :categories, :through => :categorizations, :source
=> :category
validates_presence_of :title, :body
end
class Categorization < ActiveRecord::Base
belongs_to :blog
belongs_to :category
#set the name of categorizations column in blog listing to categories
names
def to_label
"#{category.name}"
end
end
After a long struggle I have figured out how to actually have anything
displayed at all:
In my blogs controller I have this:
class BlogsController < ApplicationController
active_scaffold :blog do |config|
config.columns = [:title, :body, :is_posted, :categorizations ]
config.columns[:categorizations].form_ui = :select
config.columns[:categorizations].label = "Categories"
config.columns[:is_posted].label = "Entry posted?"
config.columns[:is_posted].form_ui = :checkbox
end
end
This will display all categories with the correct name from the
category table as assigned in the categorizations table.
GREAT!
BUT:
1. When I click on the edit button for any record I do not see all
categories available in the categories table but only any category
that is currently assign or has been assigned before, since the
unchecking of a category only removes the blog_id entry from the
categorizations table but not the entry itself.
Question: How can I have all available categories listed in the edit
view?
2. The category entries are linked (http://localhost:3000/blogs/1/
nested?_method=get&associations=categorizations) How would I change
the link to the show page of the associated category?
I am sorry if this is trivial. I have tried to find a howto or any
other documentation on the matter but was not able to find anything
helpful.
Thanks in advance for any help
Cheers Juergen
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