Module: Devise::KoalaConnectable::Helpers

Defined in:
lib/devise_koala_connectable/view_helpers.rb

Overview

Koala view helpers to easily add the link to the Facebook connection popup and also the necessary JS code.

Instance Method Summary collapse

Instance Method Details

#javascript_include_koala ⇒ Object

Returns the necessary JS code for the Facebook popup. It is recommended to put this code just before the tag of your layout.

For example : ... <%= javascript_include_koala %>



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# File 'lib/devise_koala_connectable/view_helpers.rb', line 32

def javascript_include_koala
  "<div id=\"fb-root\"></div>
  <script src=\"http://connect.facebook.net/en_US/all.js\"></script>
  <script>
     FB.init({
        appId:'#{Devise::koala_app_id}', cookie:true,
        status:true, xfbml:true
     });
  </script>"
end

#koala_login_button(button_text = "Login with Facebook", login_url = "/", registration_url = nil) ⇒ Object

Returns the Login To Facebook button.

For example : ... <%= koala_login_button("Login with Facebook", "/after_login") %>



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# File 'lib/devise_koala_connectable/view_helpers.rb', line 96

def (button_text = "Login with Facebook",  = "/", registration_url = nil)
   += ( =~ /\?/ ? '&koala=true' : '?koala=true')
  registration = (registration_url.present?) ? "registration-url=\"#{registration_url}\"" : ""
  "<fb:login-button #{registration} on-login=\"window.location.href = '#{login_url}';\">#{button_text}</fb:login-button>"
end

#koala_logout_button(button_text = "Logout", logout_url = "/", options = {}) ⇒ Object

Returns the Logout button for Facebook. It calls the logout_url after logging out of Facbook Connect.

For example : ... <%= koala_logout_button("Logout","/after_logout") %>



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# File 'lib/devise_koala_connectable/view_helpers.rb', line 110

def koala_logout_button(button_text = "Logout", logout_url = "/", options = {})
  options = { :unobtrusive => true, :onclick => "FB.getLoginStatus(function(status){if(status.session){FB.logout(function(response){document.location.href='#{logout_url}'});}else{document.location.href='#{logout_url}'}})" }.merge(options)
  link_to button_text, "#", options
end

#koala_registration_form(registration_url = "/", fields = [:name, :email, :password], on_validate = nil, locale = "en_EN", width = nil) ⇒ Object

Renders the Facbook Registration Form (XFML). For more info: http://developers.facebook.com/docs/plugins/registration/

For example : ... <%= koala_registration_form("/registration", [=> "name", => "password", :view => "not_prefilled", => "birthday", :description => "Geburtstag", :type => "date"], "callback_function", "de_DE", 600) %> ...



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# File 'lib/devise_koala_connectable/view_helpers.rb', line 51

def koala_registration_form(registration_url = "/", fields = [:name, :email, :password], on_validate = nil, locale = "en_EN", width = nil)
  width = (width.present?) ? "width=\"#{width.to_s}\" " : ""
  on_validate = (on_validate.present?) ? "onvalidate=\"#{on_validate}\" " : ""
  "<fb:registration
    fields='" + fields.to_json + "'
    redirect-uri=\"#{registration_url}\"
    locale=\"#{locale}\"
    #{on_validate}
    #{width}>
  </fb:registration>"
end

#koala_registration_iframe_form(registration_url = "/", fields = [:name, :email, :password], locale = "en_EN", width = "100%", height = 330) ⇒ Object

Renders the Facbook Registration Form (Iframe). For more info: http://developers.facebook.com/docs/plugins/registration/

For example : ... <%= koala_registration_iframe_form("/registration", [=> "name", => "password", :view => "not_prefilled", => "birthday", :description => "Geburtstag", :type => "date"], "de_DE", 600, 400) %> ...



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# File 'lib/devise_koala_connectable/view_helpers.rb', line 71

def koala_registration_iframe_form(registration_url = "/", fields = [:name, :email, :password], locale = "en_EN", width = "100%", height = 330)
  width = (width.present?) ? "width=\"#{width.to_s}\" " : ""
  height = (height.present?) ? "height=\"#{height.to_s}\" " : ""
  on_validate = (on_validate.present?) ? "onvalidate=\"#{on_validate}\" " : ""
  "<iframe src='http://www.facebook.com/plugins/registration.php?
               client_id=#{Devise::koala_app_id}&
               redirect_uri=#{CGI.escape(registration_url)}&
               locale=#{locale}&
               fields=" + fields.to_json + "'
          scrolling=\"auto\"
          frameborder=\"no\"
          style=\"border:none\"
          allowTransparency=\"true\"
          #{width}
          #{height}>
  </iframe>"
end

#link_to_koala(link_text, link_url, options = {}) ⇒ Object

Creates the link to the Facebook connection popup. If you create a link without putting the JS code, the popup will load in a new page. The second parameter is the return URL, it must be absolute (***_url).

For example : <%= link_to_koala "Signin using Facebook!", user_session_url %>



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# File 'lib/devise_koala_connectable/view_helpers.rb', line 17

def link_to_koala(link_text, link_url, options={})
  options = { :unobtrusive => true }.merge(options)
  oauth = Koala::Facebook::OAuth.new(Devise::koala_app_id, Devise::koala_secret_key, Devise::koala_callback_url)
  link_to link_text, oauth.url_for_oauth_code(:callback => link_url), options
end