Erhard Karger wrote:
> Hi,
>
> I have got now ajax to work in my application.
>
> But I have still a small problem :
>
> I have a content - section
>
>
> .......
> <div id = 'cont'>
> </div>
> ......
>
>
> Than I want to call a action which update this section depending on the
> data-constellation in the database.
> There is no input-field on the page.
>
> It works fine when I create
> <%=link_to_remote("dispatchConstraint",:update => "cont",:url =>
> {:action => :dispatch, :order_id => @order}) %>
>
> My problem is : I do not want a link on the page. There is no field to
> observe and there is no periodic update necessery.
>
> The action is :
>
> def dispatch
> if (@order.cont==true)
> render :partial => "list"
> else
> render :partial => "addForm"
> end
> end
>
> Is there any function to do this ?
>
> What I learned is that the trigger comes from the browser but all
> functions I have found need an interaction or is periodically called.
>
> Thanks for any idea
>
>
> Erhard
Erhard, if you only want to fill the div when the page is initially
rendered, just make dispatch a helper function, and call it inside
the div.
If instead you want to fill the div based on some unstated
browser event, place a call to the remote_function helper inside
a (template-processed) JavaScript function or a tag event property:
http://api.rubyonrails.org/classes/ActionView/Helpers/PrototypeHelper.html#M001635
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