Hey,
I have a form on a website that I would like to be submitted remotely
- to not have to reload the whole page. Only the form should update,
so that e.g. error messages can be displayed. Makes sense :)
However, with the current rails.js javascript in Rails 3, the only way
to do this is using
form_for ... :remote => true
and then render a RJS in the controller, which will do... what? Try to
puzzle the form values and error messages into the invalid form?
Instead, I came up with this spontaneous extension to rails.js:
http://gist.github.com/385167
With something as easy as
form_tag ... :html => { ''data-update'' =>
''div_with_the_form_to_be_updated'' }
I can now have the controller render HTML to update the form when it
has errors, and still RJS if I would like to do some fancy stuff in
case the submission was successful.
I assume this feature should be included in rails.js. It would take
just a few lines of smart modification.
In the far future, ActionView might even be modified to implement the
good ol''
form_tag ... :update => ''div_to_be_updated''
I would love to hear your opinion about this.
All the best!
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