[Rails] Multiple checkboxes

Aaron Baldwin
Mon, 05 Jun 2006 01:09:55 -0000

I did something similar recently.  Here is the code from my controller that
pulled out the items that were checked and saved them:

obj_keys = []
params[:objective].each_key {|k| obj_keys.push( k ) if
@params[:objective][k].to_i == 1}
@course.objectives = Objective.find( obj_keys )

Aaron

On 6/4/06, Martin Robinson <martinr@4elements.co.uk>
wrote:
>
> Please could someone suggest what might be wrong here. In my view
I''m
> displaying a series of check boxes and when the form is submitted I want
> the controller to iterate over the values and contatenate them all  into
> a string "1" if the box was checked and "0" if it
wasn''t.
> I''m new to Ruby and Rails and I can''t seem to get any
values out of my
> params other than "0",
>
> Here''s my code:
>
>
> View:
>
>
> <%= form_tag :action=>''save_question''%>
> <%= @question.title %>
>
>   <% for option in @options %>
>   <input type="checkbox" name="option[]"
value="<%=option.id%>"><%> option.option_text
%>
>   <% end %>
>
>   <%= submit_tag%>
> <%= end_form_tag%>
>
>
>
> Controller:
>
> def save_question
>
> @options = Option.find_all_by_question_id(session[:question_id])
> response = ""
> for option in @options do
>    if params[:option][option.id]=="1"
>      response << "1"
>    else
>      response << "0"
>    end
> end
> end
>
>
> --
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