On Monday, June 28, 2010, kevinpfromnm <[email protected]> wrote:
> Oddly enough, I've run into a situation that needs a treelike data
> structure just today.  But I need a link table really so it's not
> quite the same.  If you can switch it off to a separate table the
> infinite loop won't occur (as long as both parts aren't accessible of
> course).
>
> Off topic slightly, does anyone know of a good tree (well, more
> flowchart like) diagramming plugin for rails/html/jscript?
>
> Something that could put down a box for each element and lines to show
> relationships but I realize that that is not an easy thing to do
> (hence looking for a prebuilt solution :P)
>

I swear I've seen a jQuery plugin for this, but I can't seem to find
it again. If you just need a non-interactive visual, I know that
Railroad has done some similar stuff for visualizing model
associations, etc.

--Matt Jones



> On Jun 28, 2:32 pm, kevinpfromnm <[email protected]> wrote:
>> Yes, that does it.  I bet it's trying to reflect for each model
>> subform to make a subform for that and etc.  So, unless there's a
>> quick way to add a recursion check to the multimodel form code, might
>> have to roll your own solution for now.
>
>> On Jun 28, 2:26 pm, Warren  Gavin <[email protected]> wrote:
>>
>>
>>
>> > So I see where I mistyped something.  I do have : dependent
>> > => :destroy but was copying some code and must have taken the
>> > accessible code out.  Would you try replacing:
>>
>> > has_many :owned_models, :dependent => :destroy, :order => :position
>>
>> > with
>>
>> > has_many :owned_models, :accessible => true, :dependent
>> > => :destroy, :order => :position
>>
>> > I actually have this.  Once you remove the :accessible => true it
>> > works but you are unable to edit all in one page.  Thoughts?
>>
>> > On Jun 28, 1:52 pm, kevinpfromnm <[email protected]> wrote:
>>
>> > > I just did a basic test and have no error though I had to
>> > > change :dependent => true to :destroy.  I did not make any custom view
>> > > code, just basic model resource with these changes:
>>
>> > >   fields do
>> > >     name :string
>> > >     timestamps
>> > >   end
>>
>> > >   acts_as_list :scope => :owned_model
>>
>> > >   belongs_to :owned_model
>> > >   has_many :owned_models, :dependent => :destroy, :order => :position
>>
>> > > and
>> > >   children :owned_models # in viewhint
>>
>> > > So there's no bug in hobo.  Can you post the rest of your model code
>> > > and the relevant view code?
>>
>> > > On Jun 28, 12:07 pm, Warren  Gavin <[email protected]> wrote:
>>
>> > > > Based on the documentation I have seen I thought I was using
>> > > > acts_as_list correctly.  See link below.
>>
>> > > >http://github.com/rails/acts_as_list
>>
>> > > > I agree w/the recursion idea and I think its the view that is having
>> > > > the problem.
>>
>> > > > Just to add some more details, the collection I want to work with is
>> > > > essentially parent/child relationship that is simple and all I want to
>> > > > do is have the ability to order the children.  The root of any
>> > > > collection of NewModel is one that has a nil for new_model_id.  Not
>> > > > sure if that clears up anything but thought I would add more details.
>>
>> > > > Thanks for the help.
>>
>> > > > On Jun 28, 11:59 am, kevinpfromnm <[email protected]> wrote:
>>
>> > > > > From the error I'd guess you've gotten some sort of recursion going 
>> > > > > in
>> > > > > an infinite loop.  I haven't done a lot with acts_as_list but should
>> > > > > the scope be :new_model_id?
>>
>> > > > > On Jun 25, 9:18 am, Warren  Gavin <[email protected]> wrote:
>>
>> > > > > > I am new to Hobo, and Rails for that matter, so please forgive my 
>> > > > > > noob
>> > > > > > post.  I believe I am not understanding how to implement a 
>> > > > > > belongs_to,
>> > > > > > has_many and acts_as_list in a self join scenario.
>>
>> > > > > > I created a Hobo app, and added one hobo_model_resource named
>> > > > > > NewModel.  I modified app/models/new_model.rb to the following (the
>> > > > > > self join and acts_as_list):
>>
>> > > > > > class NewModel < ActiveRecord::Base
>>
>> > > > > >   hobo_model
>>
>> > > > > >   fields do
>> > > > > >     name :string
>> > > > > >     new_model_id :integer
>> > > > > >     timestamps
>> > > > > >   end
>>
>> > > > > >   acts_as_list :scope => :new_model
>>
>> > > > > >   belongs_to :new_model
>> > > > > >   has_many :new_models, :dependent => true, :order => :position
>>
>> > > > > > ...
>>
>> > > > > > end
>>
>> > > > > > I also modified the app/viewhints/new_model.rb and added:
>>
>> > > > > >   children :new_models
>>
>> > > > > > Generated my hobo_migration and all seemed good.
>>
>> > > > > > Then I start the server up just fine.  Once I try to create a new
>> > > > > > entry for NewModel I get a "stack level too deep".  Generally 
>> > > > > > speaking
>> > > > > > I believe I understand what is going on (at 40k feet).  
>> > > > > > Essentially we
>> > > > > > have a self join scenario that Hobo can't display from an edit/new
>> > > > > > perspective based on my setup.
>>
>> > > > > > What I would like to do is manage new_models like a tree
>> > > > > > (acts_as_tree) and have tried adding this as well with the same
>> > > > > > result.
>>
>> > > > > > Thoughts?  Thanks in advance.
>
> --
> You received this message because you are subscribed to the Google Groups 
> "Hobo Users" group.
> To post to this group, send email to [email protected].
> To unsubscribe from this group, send email to 
> [email protected].
> For more options, visit this group at 
> http://groups.google.com/group/hobousers?hl=en.
>
>

-- 
You received this message because you are subscribed to the Google Groups "Hobo 
Users" group.
To post to this group, send email to [email protected].
To unsubscribe from this group, send email to 
[email protected].
For more options, visit this group at 
http://groups.google.com/group/hobousers?hl=en.

Reply via email to