Matt Jones wrote: > The API ref at api.rubyonrails.org is the main source, but reading it > sometimes requires a little more understanding. > > The object passed to form_for's block is an instance of > ActionView::Helpers::FormBuilder. There's not explicit documentation > for it, as most of it's methods are metaprogrammed versions of the > methods in ActionView::Helpers::FormHelper. FormBuilder's methods are > essentially partially applied versions of FormHelper's, in that they > don't require the first argument. Thus, the middle statement here: > > <% form_for 'thing' do |form| %> > <%= form.text_field :name %> > <% end %> > > is identical to: > > <%= text_field 'thing', :name %> > > It's a handy shorthand, and also makes some things (rendering fields > in a partial, for instance) much easier. > > Going forward, there are a couple things that will help you figure out > what's going on: > > - object.inspect will typically get you a short string representation > of an object; some objects may not show all fields here, but at least > the type will be visible > > - object.debug (in a view) will output a YAML version of the given > object, wrapped in 'pre' tags. This can be useful for debugging > models, for instance. > > - if all else fails, install ruby-debug and put 'debugger' wherever > needed. You can even use it inside of ERB views! > > Hope this helps. > > --Matt Jones > > On Jul 14, 5:25�am, Shahin Kordasti <[email protected]>
Thanks, that will help alot. However as the poster above mentions there is alot to be desired when it comes to Ruby/Rails documentation. Like the render method, I too am wondering what local_assigns is and how they can be used. >From the name I assume it is a way to pass local variables to the page but that is only an assumption on my part. Others issues I have is with the ORM framework and the find method. It can take a whole bunch of options (like :first and so on) but where are all these options listed? -- Posted via http://www.ruby-forum.com/. --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
