Instructions and examples for facebook_share gem

application_helper.rb

module ApplicationHelper
  include FacebookShare
end

example_1.html.erb

<div id="fb-root"></div>
<!-- assuming you have set your Facebook application ID -->
<div id="some">
  <%= link_to 'Share on Facebook', '#', :class => "fancy_selector"  %>
</div>
<%= facebook_share_once :selector => "#some > .fancy_selector" %>

example_1.out.html

<div id="fb-root"></div>
<div id="some">
  <a href="#" class="fancy_selector">Share on Facebook</a>
</div>
<script type="text/javascript" src="https://connect.facebook.net/en_US/all.js"></script>
<script type="text/javascript">
/* <![CDATA[ */
FB.init({appId:"753498454209523"});
$("#some > .fancy_selector").unbind("click.facebook_share").bind("click.facebook_share",function () {
  FB.ui({
    method: 'stream.publish',
    link: "http://railslove.com",
    display: "popup"
  });
  return false;
});
/* ]]> */
</script>

example_2.html.erb

<%= link_to 'Share on Facebook', '#', :class => "fb_share"  %>
<script type="text/javascript">
<%= facebook_share :link => "http://link.to/current_site/to_share" %>
</script>

example_2.out.html

<a href="#" class="fb_share">Share on Facebook</a>
<script type="text/javascript">
$(".fb_share").unbind("click.facebook_share").bind("click.facebook_share",function () {
  FB.ui({
    method: 'stream.publish',
    link: "http://link.to/current_site/to_share",
    display: "popup"
  });
  return false;
});
</script>

example_3.html.erb

<%= facebook_connect_js_tag %>

<script><%= facebook_init_script %></script>

example_3.out.html

<script type="text/javascript" src="https://connect.facebook.net/pl_PL/all.js"></script>

<script>FB.init({appId:"42423423423432", status: "true", cookie: "false", xfbml: "true"});</script>

example_3_facebook_share.rb

FacebookShare.default_facebook_share_options = {
  :app_id => "42423423423432",
  :status => "true",
  :cookie => "false",
  :xfbml => "true",
  :locale => "pl"
}

facebook_share.rb

FacebookShare.default_facebook_share_options = {
  :framework => :jquery,
  :jquery_function => "$",

  :app_id => "YOUR_APP_ID",
  :status => "false",
  :cookie => "false",
  :xfbml => "false",

  :selector => ".fb_share",
  :locale => "en_US"
}

simple_share.html.erb

<div id="fb-root"></div><!-- required by facebook -->
<%= link_to 'Share on Facebook', '#', :class => "fb_share"  %>
<%= facebook_share_once %>