[luci] add button conditionally

[Jo-Philipp Wich]

Hey.

> Now the button is displayed on 3g network (in my example). How to make
> button to be displayed on all pages when proto is 3g (option proto '3g')?

Try something like:

<% 
   local uci = require "luci.model.uci".cursor()
   if uci:get("network", self.network, "proto") == "3g" then 
%>
     ...
<% end %>

~ Jow

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