Different search placeholder depdends on area

app/helpers/application_helper.rb

@@ -226,4 +226,13 @@ module ApplicationHelper
     content_tag :i, nil, class: 'icon-lock cgreen'
   end
+  def search_placeholder
+    if @project && @project.persisted?
+      "Search in this project"
+    elsif @group && @group.persisted?
+      "Search in this group"
+    else
+      "Search"
+    end
+  end
 end

app/views/layouts/_search.html.haml

 .search
   = form_tag search_path, method: :get, class: 'navbar-form pull-left' do |f|
-    = text_field_tag "search", nil, placeholder: "Search", class: "search-input"
+    = text_field_tag "search", nil, placeholder: search_placeholder, class: "search-input"
     = hidden_field_tag :group_id, @group.try(:id)
     - if @project && @project.persisted?
       = hidden_field_tag :project_id, @project.id