+ # User images
+
+ def user_image(user, options = {})
+ options[:class] ||= "user_image"
+
+ if user.image_use_gravatar
+ user_gravatar_tag(user, options)
+ else
+ image_tag user.image.url(:large), options
+ end
+ end
+
+ def user_thumbnail(user, options = {})
+ options[:class] ||= "user_thumbnail"
+
+ if user.image_use_gravatar
+ user_gravatar_tag(user, options)
+ else
+ image_tag user.image.url(:small), options
+ end
+ end
+
+ def user_thumbnail_tiny(user, options = {})
+ options[:class] ||= "user_thumbnail_tiny"
+
+ if user.image_use_gravatar
+ user_gravatar_tag(user, options)
+ else
+ image_tag user.image.url(:small), options
+ end
+ end
+
+ def user_image_url(user, options = {})
+ if user.image_use_gravatar
+ user_gravatar_url(user, options)
+ else
+ image_url(user.image.url)
+ end
+ end
+
+ # OpenID support
+
+ def openid_logo
+ image_tag "openid_small.png", :alt => t('user.login.openid_logo_alt'), :class => "openid_logo"
+ end
+
+ def openid_button(name, url)
+ link_to(
+ image_tag("#{name}.png", :alt => t("user.login.openid_providers.#{name}.alt")),
+ "#",
+ :class => "openid_button", :data => { :url => url },
+ :title => t("user.login.openid_providers.#{name}.title")
+ )
+ end
+
+ # Gravatar support
+
+ # See http://en.gravatar.com/site/implement/images/ for details.
+ def user_gravatar_url(user, options = {})
+ size = options[:size] || 100
+ hash = Digest::MD5::hexdigest(user.email.downcase)
+ default_image_url = image_url("users/images/large.png")
+ url = "http://www.gravatar.com/avatar/#{hash}.jpg?s=#{size}&d=#{u(default_image_url)}"
+ end
+
+ def user_gravatar_tag(user, options = {})
+ url = user_gravatar_url(user, options)
+ options.delete(:size)
+ image_tag url, options
+ end