+module UserRolesHelper
+ def role_icons(user)
+ UserRole::ALL_ROLES.reduce("".html_safe) { |s,r| s + " " + role_icon(user, r) }
+ end
+
+ def role_icon(user, role)
+ if @user and @user.administrator?
+ if user.has_role?(role)
+ image = "roles/#{role}.png"
+ alt = t("user.view.role.revoke.#{role}")
+ title = t("user.view.role.revoke.#{role}")
+ url = revoke_role_path(:display_name => user.display_name, :role => role)
+ confirm = t("user_role.revoke.are_you_sure", :name => user.display_name, :role => role)
+ else
+ image = "roles/blank_#{role}.png"
+ alt = t("user.view.role.grant.#{role}")
+ title = t("user.view.role.grant.#{role}")
+ url = grant_role_path(:display_name => user.display_name, :role => role)
+ confirm = t("user_role.grant.are_you_sure", :name => user.display_name, :role => role)
+ end
+ elsif user.has_role?(role)
+ image = "roles/#{role}.png"
+ alt = t("user.view.role.#{role}")
+ title = t("user.view.role.#{role}")
+ end
+
+ if image
+ icon = image_tag(image, :size => "20x20", :border => 0, :alt => alt, :title => title)
+
+ if url
+ icon = link_to(icon, url, :method => :post, :confirm => confirm)
+ end
+ end
+
+ icon
+ end
+end