2009/6/30 doug <[email protected]>: > > I plan on creating a table of topics. The thing is that the topics > are hierarchical in nature. That is, there may be any number of root > topics. Each root topic can have other topics which would be like sub- > topics; and, sub-topics can have their own sub-topics, etc. I was > thinking about establishing the relationship by having a 'parent' > column (sort of like 'belongs_to') in the topics table so that the > parent topic of any given topic would always be known. However, I'm > not married to this idea. In any event, the problem comes in creating > the show view. I'd like to display the topics using a series of > embedded ULs so that the view not only shows the topics but also shows > them in a way that displays their hierarchical relationships. I have > no idea how I am going to do this. Any ideas?
If I understand correctly you are looking for a tree structure for the topics. Have a look at the acts_as_tree plugin. Google will provide lots of links I think. There is a railscasts at http://railscasts.com/episodes/162-tree-based-navigation Colin --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" 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/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
