hmm... you've already done the migration after declaring the acts_as_list? On Jun 9, 2:46 pm, Ronbo <[email protected]> wrote: > Thanks again. The tips are really appreciated. > > I added the hobo_reorder as shown below. The page now renders properly > (with the sortable-collection UI controls). > > class UnitsController < ApplicationController > hobo_model_controller > auto_actions :all > > def reorder > hobo_reorder > end > end > > The page now renders properly (with the sortable-collection UI > controls), but moving a list item fails to update the position with > the following error: > ActiveRecord::UnknownAttributeError (unknown attribute: position): > > I have the position declared on the join relation: > has_many :unit_activities, :order => :position > > Is this the right place, or is there something else I need to tweak to > get this going? > I'm getting closer... > > On Jun 9, 2:46 pm, kevinpfromnm <[email protected]> wrote: > > > you need the method on the controller for it, I can't remember if it's > > something special or just standard update methods. > > > On Jun 9, 12:41 pm, Ronbo <[email protected]> wrote: > > > > Hi Kevin, > > > > Do you mean something like: > > > > class Activity < ActiveRecord::Base > > > has_many :unit_activities, :order => :position > > > has_many :units, :through => :unit_activities > > > > .... > > > > class UnitActivity < ActiveRecord::Base > > > belongs_to :activity > > > belongs_to :unit > > > acts_as_list :scope => :activity > > > > ... > > > class Unit < ActiveRecord::Base > > > has_many :unit_activities > > > has_many :activities, :through => :unit_activities > > > > class ActivityHints < Hobo::ViewHints > > > children :units > > > > This generates a <collection:units param/> tag for the Activities show > > > page. If I manually change it to <sortable-collection:units param/>, I > > > get the following error: > > > > undefined method `reorder_units_url' > > > > Am I missing the gist of what you mean, or am I missing a step? Do I > > > need to pass something to sortable-collection? > > > > Thanks, > > > > On Jun 9, 1:32 pm, kevinpfromnm <[email protected]> wrote: > > > > > You want the acts_as_list and accessible on the join table, not the > > > > end table. that way, each item can be sorted per document. > > > > > On Jun 9, 9:08 am, Ronbo <[email protected]> wrote: > > > > > > Hi all, > > > > > > I am still very new to Hobo, and learning mostly through trial and > > > > > error. I have been creating small throw-away apps to explore and test > > > > > things out. > > > > > > I do have a serious app in mind though, and I am trying to figure out > > > > > how to implement a specific workflow in which users will create new > > > > > documents and add boilerplate text pieces to them from a predefined > > > > > set. Since documents will have many pieces and a piece can belong to > > > > > many documents, my first hunch is that I would use a > > > > > > has_many :through => x, :accessible => true > > > > > > sort of relationship, with the pieces as children of the document > > > > > model. Users could create a new doc and add the pieces they want. > > > > > Where I am having problems prototyping this is that the pieces in the > > > > > doc should be sortable. I've hunted through the hobo and rails forums > > > > > and can't find a recipe for how to make acts_as_list work with a > > > > > joined many-to-many sort of relationship. > > > > > > Is this possible? If so, is there a better way of defining the > > > > > relationship or some special magic to getting it working through a > > > > > join? > > > > > > Any hints are much appreciated. > >
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