I put most of my JS in separate files, one for each controller, or for each
controller/view when they get more involved.
To pass in info from the controller. I use two approaches. One is via
onclick handler with interpolation. The handler consists of a single
function call so its fairly clean.
When I want to pass data to several functions more unobtrusively, I set a JS
global variable via a helper:
def js_set_var(name, val)
"<script type=\"text/javascript\">var #{name} =
#{val.to_json};</script>"
end
Both approaches work well for me.
..tony..
On Mon, Nov 9, 2009 at 8:43 PM, Jon Hancock <[email protected]> wrote:
>
> Here's my problem: I'm using haml templates. Haml has a nice tag for
> embedding javascript. So I can have a template that look like so:
>
> %h1 my page
> #someDiv
> :javascript
> window.addEvent('domready', function(){
> // do some cool stuff
> });
>
> This allows me quite a bit of freedom. However, what do I do when the
> javascript needs some parameters, for example some variable from my
> controller? I can't do this as the haml javascript embedding is
> literal.
>
> I have been thinking about a merb helper so I could write the above
> as:
>
> %h1 my page
> #someDiv
> = javascriptHelper
> window.addEvent('domready', function(){
> // do some cool stuff WITH PARAM PARSING ON THIS CONTENT
> });
>
> But I don't see how this can be done. Any ideas on how to make this
> easy? The current helpers I'm writing are horrific javascript string
> concatenation nightmares.
>
> thanks, Jon
> >
>
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