Yuck, I apologize for the horrible sentences in my reply... it is the end of the day.
On Jun 25, 4:50 pm, John Yerhot <[email protected]> wrote: > If you're doing form_for something like this will work. > > Of course, I'm using a > > <% form_for(@your_model_here) do |f| %> > <%= f.error_messages %> > > <p> > <%= f.label :is_invoicable%><br /> > <%= f.select :is_invoicable, {"Yes" => true, "No" => false}%> > </p> > <p> > <%= f.submit 'Update' %> > </p> > <% end %> > > Of course, you'll need to add whatever html options you need, but > whatever the object's attributes are will be the selected value. > > Hope that helps. > > On Jun 25, 10:08 am, byrnejb <[email protected]> wrote: > > > I would like to use a select box to display and edit a boolean model > > attribute. I realize that perhaps checkboxes or radio buttons are a > > more idomatic way to do this in html but I would like to use a select > > box. > > > What I want to do is to map the selected value in the box to the > > existing value of the attribute when the form displays. I am having > > trouble figuring out how do to this and the examples I can find are > > not explicit enough for me to discern how this is done, or if it is > > possible. > > > I have discovered that if one prefaces the select with the form > > partial variable 'f' then one gets a series of obsure errors about an > > undefined 'merge' method, while removing this and going with a bare > > select call avoids the problem and otherwise seems to work. Odd, but > > there it is. > > > Consequently, presently the structure looks something like this: > > > </b><br /> > > > <%= select :is_invoicable, > > [ > > ['Yes', 'true' ], > > ['No', 'false' ], > > ], > > {}, # select options > > :id => 'select_is_invoicable', > > :size => 1, > > :title => 'May invoices be issued in this currency?' > > -%> > > </p> > > > What I want to accomplish, of course, is to have the current value of > > is_invoicable (true or false) used to set the selected attribute of > > the option to either Yes or No as appropriate. I nonetheless want > > both options available in the drop down. I cannot seem to hit upon > > the exact syntax to do this and the examples in the options_for_select > > api do not provide me with much guidance. From them I gathered that > > this would work: > > > ], > > currency_detail.is_invoicabe.to_s, # select options > > :id => 'select_is_invoicable', > > > But that produces this in the view: > > > <select id="is_invoicable_YestrueNofalse" > > name="is_invoicable[YestrueNofalse]"> > > <option value="false">false</option></select> > > > When what I was looking for was this: > > > <select id="select_is_invoicable" name="currency > > [is_invoicable]" size="1" > > title="May invoices be issued in this > > currency?"> > > <option value="true">Yes</option> > > <option selected="selected" value="false">No</option></ > > select> > > > I would really appreciate guidance on how this is done. --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
