check_box_tag remote_function

rubyonrails-talk
1

I have a collection of check_box_tags that look like the following:

<% for item in @items %> <%= check_box_tag "item[item_ids]", item.id, false, {:onchange => remote_function(:url => update_items_path, :with => "'items=' + escape(value) "} %> <%= item.name %> <% end %>

My question is, how do I send all of the current checkbox values (item[item_ids]) in the onchange? Currently, I am only getting the value of the changed checkbox (ie: items=2), but I need to know which other checkboxes are checked.

Thanks, bucks

2

Is there a reason not to manage ONLY the change, rather than trying to manage the entire collection on each change? Seems like it'd be more efficient to take the id/value that you receive and either to a x.items << Item.find(id) or x.items.delete Item.find(id). Regardless, it sounds like you'd want either an observe_form (sees all the changes and submits the entire form) or you could wrap up the check boxes in some container (fieldset, div, etc), give the container a name, and then use:

remote_function(:url=>..., :submit=>'container_id')

That will serialize the values of all the input elements in the container. Note that you'll only receive the ids of check boxes that are checked.

3

Thanks for the response. Definitely some good options. I think I will give the :submit => 'container_id' a shot, as it seems most inline with what i'm trying to do.

Cheers,