Asp Forum
Home
|
Login
|
Register
|
Search
Forums
>
comp.lang.ruby
How to change ruby's global variable through onclick event?
Vikas Gholap
1/22/2009 6:38:00 AM
Hello all,
I have problem that how to change ruby's global variable through onclick
event.?
my code is like in myvideo.html.erb file.
--------------------------------------------------------------------------
<a id='more_videos_link' class='ActionLink' href=\"#\"
onclick=\"something that change variable\">More videos</a>
--------------------------------------------------------------------
through onclick how can i change variable declared in my_controller.rb
-------------------------------------------------------
class myController < ApplicationController
$moreVideo = false
def moreVideo
$moreVideo = true
respond_to do |format|
format.html { render_partial 'home/video_search' }
end
end
end
--------------------------------------------------------------
is there way to change $moreVideo=true through onclick or href of anchor
tag given above.
--
Posted via
http://www.ruby-...
.
2 Answers
Stefan Rusterholz
1/22/2009 9:44:00 AM
0
Vikas Gholap wrote:
> Hello all,
>
> I have problem that how to change ruby's global variable through onclick
> event.?
>
> my code is like in myvideo.html.erb file.
> --------------------------------------------------------------------------
> <a id='more_videos_link' class='ActionLink' href=\"#\"
> onclick=\"something that change variable\">More videos</a>
> --------------------------------------------------------------------
> through onclick how can i change variable declared in my_controller.rb
>
> -------------------------------------------------------
> class myController < ApplicationController
> $moreVideo = false
>
> def moreVideo
> $moreVideo = true
> respond_to do |format|
> format.html { render_partial 'home/video_search' }
> end
>
> end
>
> end
> --------------------------------------------------------------
>
> is there way to change $moreVideo=true through onclick or href of anchor
> tag given above.
Hi
You're probably better off in the rubyonrails mailing list instead of
the ruby ML.
However, a short answer anyway: to change values on the server side
(that's where your ruby code is) upon client side events (where there's
no executed ruby code anymore) you'll need a client side code such as
javascript e.g. using ajax to communicate that event to the server side.
On another note: you do NOT want a global variable there. A global will
be used not just for that single user but for all happening to be served
by the same instance of ruby.
Regards
Stefan
--
Posted via
http://www.ruby-...
.
Brian Candler
1/22/2009 10:02:00 AM
0
Stefan Rusterholz wrote:
> On another note: you do NOT want a global variable there. A global will
> be used not just for that single user but for all happening to be served
> by the same instance of ruby.
And in most Rails deployments, there are multiple processes, so a global
variable changed in one will not affect another.
You probably want to change state in the *session*, which is accessible
to any process handling data on behalf of the same user.
session[:foo] = "bar"
(By default the session is stored in a cookie, so the total size is
limited to 4K. If you need to store more than this, select a different
session store model)
--
Posted via
http://www.ruby-...
.
Servizio di avviso nuovi messaggi
Ricevi direttamente nella tua mail i nuovi messaggi per
How to change ruby's global variable through onclick event?
Inserendo la tua e-mail nella casella sotto, riceverai un avviso tramite posta elettronica ogni volta che il motore di ricerca troverà un nuovo messaggio per te
Il servizio è completamente GRATUITO!
x
Login to ForumsZone
Login with Google
Login with E-Mail & Password