You might also consider attachment_fu (de other facto :-) as a viable replacement for FileColumn.
On Jun 18, 10:17 am, Nicholas Henry <[email protected]> wrote: > Check out the documentation: > > * in a view, "<%= url_for_file_column 'entry', 'image' %> will create > an URL to access the > uploaded file. Note that you need an Entry object in the instance > variable @entry for this > to work. > > So the line in your index view: > > <%= image_tag url_for_file_column("item", "picture", > "normal") %> > > Is in-fact is trying to invoke: > > @item.picture_relative_path > > hence why you are getting evaluating nil error > > Try this instead, pass the actual variable without quotes: > > <%= image_tag url_for_file_column(item, "picture", > "normal") %> > > Admittedly I probably wouldn't use file_column these days. Paperclip > is the defacto standard:http://github.com/thoughtbot/paperclip/tree/master > > Checkout the Ruby Tool Box which will give you sense of the defacto > plugins:http://ruby-toolbox.com/ > > HTH, > Nicholas > > On Jun 17, 5:21 pm, Per Fagrell <[email protected]> wrote: > > > Hello! > > > I'm trying to get image uploads to work with file_column, and thought > > I almost had it when I stumbled on a really strange error I can't > > figure out. No other post here seems to deal with it either. > > > The create and edit views for my object "Item" (I'm a newbie at ruby/ > > rails, so pardon my vocab ;) display the uploaded image just fine, but > > when I go back to the index, the page dies because it tried to invoke > > picture_relative_path on nil. No idea why the image string suddenly > > becomes nil, seems to me that it shouldn't be possible... attaching > > error and code around it. Any help GREATLY appreciated, just holler if > > any additional info would make it easier to diagnose. Hopefully the > > hive mind is sharper than my googling ;) > > > --------Error output---------------- > > > Showing items/index.html.erb where line #14 raised: > > > You have a nil object when you didn't expect it! > > The error occurred while evaluating nil.picture_relative_path > > > Extracted source (around line #14): > > > 11: <tr> > > 12: <td><%=h item.name %></td> > > 13: <td><%=h item.category %></td> > > 14: <td><%= image_tag url_for_file_column("item", "picture", > > "normal") %></td> > > 15: <td><%= link_to 'Show', item %></td> > > 16: <td><%= link_to 'Edit', edit_item_path(item) %></td> > > 17: <td><%= link_to 'Destroy', item, :confirm => 'Are you > > sure?', :method => :delete %></td> --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
