From: tsumeruby@...
Date: 2006-02-10T14:15:06+09:00
Subject: Re: Rails AJAX question
On Friday 10 February 2006 01:53 pm, voice10@gmail.com wrote:
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Tsume
> Hi all, It must be a very simple solution, but i'm just not getting it.
> I want to display some picture continously on a page using Rail+AJAX.
> Here is the snippet of code:
>
> Controller
> ------------------------
> def show
> @albums = Album.find(:all)
> @size = @albums.length
> end
>
> def show_next
> @id = params[:cur_id].to_i
> @size = params[:max].to_i
> if ( @id == 0 or ir @id > @size)
> @id = 1
> end
>
> @album = Album.find(@id)
> @id += 1
> end
>
> show.rhtml
> -------------------------------------
>
>
> Continous picture display
> <%= periodically_call_remote(:update => 'mydiv',
>
> :url => { :action => :show_next,
> :
> :cur_id => @id, :max => @size},
> :
> :frequency => 2 )
>
>
> image will display here
>
>
>
>
> show_next.rhtml
> -------------------------------------
>
> def show_next
> 
> end
>
> ---------------------------------------------------------------------------
>---------------------------------------
>
> But the @id is not being updated. I think I need to store the @id
> statically in the html page (may as hidden field), but is there any
> better solution for this
>
> thanks in avdvance
> /Rick