On Mon, Aug 9, 2010 at 7:22 PM, Eumir <[email protected]> wrote:
> Okay just a little wee bit of curiosity. I was doing
>
> code like this for the partial:
>
>
> - fields_for "booking[booking_passenger][]", my_passenger do |
> passenger|
> %li
> %fieldset.passenger-info
> %ul
> %li
> = passenger.label :first_name
> = passenger.text_field :first_name
>
> and I keep seeing the javascript call:
>
> $('.passenger-info ul').append('#{ escape_javascript( render :partial
> => "new_passenger", :locals => {:booking => @booking }) }');
>
> as this when i view source:
>
> $('.passenger-info ul').append('');
>
> so i scratch my head and try out a gazillion things and finally try to
> do something stupid:
>
> = fields_for "booking[booking_passenger][]", my_passenger do |
> passenger|
>
> and it suddenly worked. WHY? I mean we don't print out fields_for
> right? its always written as <% fieldes_for %> in erb? so why the diff
> in HAML?
This is not a change in Haml, this is a change in Rails. Since Rails3 block
helpers that add content to the block that is yielded need <%= in erb and =
in Haml. Maybe this is a good source for you to watch:
http://railscasts.com/episodes/208-erb-blocks-in-rails-3
> On Aug 9, 11:00 pm, Eumir <[email protected]> wrote:
> > Hi Jeroen,
> >
> > It works now thanks! However, I don't know if it's haml or just my
> > server crashing when I add a @booking.passengers.build to the partial.
> > There's even no error message of sort, I just have to kill -9 when I
> > refresh the page
> >
> > On Aug 7, 4:49 pm, Jeroen van Dijk <[email protected]> wrote:
> >
> >
> >
> > > Hope you found an solution already, but what I see it that you are
> including
> > > erb tags in the javascript code. Change <%= %> to #{ } and I guess you
> > > should be able to get it working:
> >
> > > :javascript
> > > $('#number_of_passengers').change(function() {
> > > var $num_of_passengers = $(this).val();
> > > for($i=0; $i<$num_of_passengers;$i++) {
> > > $('.passenger-info ul').append('#{
> > > escape_javascript( render :partial => "new_passenger", :locals
> > > {:booking => @booking }) }');
> > > }
> > > })
> >
> > > HTH
> >
> > > On Thu, Aug 5, 2010 at 5:38 PM, Eumir <[email protected]>
> wrote:
> > > > Hi guys,
> >
> > > > The functionality I plan on doing is to insert some form elements
> > > > depending on a number chosen from a select tag.
> >
> > > > I have a select tag called for number_of_passengers, and i plan to
> > > > dynamically append new passenger fields for the number chosen. Say I
> > > > select 2 from number_of_passengers, then 2 forms should appear in a
> > > > fieldset. these forms contain name, age weight etc.
> >
> > > > I tried following this:
> >
> > > >
> http://stackoverflow.com/questions/261752/call-a-rails-function-from-...
> >
> > > > and just converted it to haml-speak but I get errors whenever I use
> > > > the :javascript tag. Also I don't think I can "escape" the javascript
> > > > tag once I am in it
> >
> > > > :javascript
> > > > $('#number_of_passengers').change(function() {
> > > > var $num_of_passengers = $(this).val();
> > > > for($i=0; $i<$num_of_passengers;$i++) {
> > > > $('.passenger-info ul').append('<%=
> > > > escape_javascript( render :partial => "new_passenger", :locals
> > > > {:booking => @booking }) %>');
> > > > }
> > > > })
> >
> > > > also since I am in a form_for, how do I pass the @booking variable to
> > > > the local? It seems really complicated and I'm planning of doing the
> > > > dirty way out of just looping 20 times(20 max passengers) then just
> > > > hide/show them depending on the selected number. But that's too dirty
> > > > don't you think?
> >
> > > > --
> > > > You received this message because you are subscribed to the Google
> Groups
> > > > "Haml" group.
> > > > To post to this group, send email to [email protected].
> > > > To unsubscribe from this group, send email to
> > > > [email protected]<haml%[email protected]><
> haml%[email protected]<haml%[email protected]>
> >.
> > > > For more options, visit this group at
> > > >http://groups.google.com/group/haml?hl=en.
>
> --
> You received this message because you are subscribed to the Google Groups
> "Haml" group.
> To post to this group, send email to [email protected].
> To unsubscribe from this group, send email to
> [email protected] <haml%[email protected]>.
> For more options, visit this group at
> http://groups.google.com/group/haml?hl=en.
>
>
--
You received this message because you are subscribed to the Google Groups
"Haml" 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/haml?hl=en.
