add a custom topnav search input placeholder

app/helpers/auto_complete_helper.rb

@@ -4,9 +4,9 @@ def ontologies_autocomplete
     render OntologySearchInputComponent.new
   end
 
-  def ontologies_content_autocomplete(id: '', name: '', search: '', ontologies: [], types: [], search_icon_type: 'home')
+  def ontologies_content_autocomplete(id: '', name: '', placeholder: nil, search: '', ontologies: [], types: [], search_icon_type: 'home')
     render SearchInputComponent.new(id: id, name: name, ajax_url: "#{ajax_search_ontologies_content_path}?ontologies=#{ontologies.join(',')}&types=#{types.join(',')}&search=#{search}",
-                                    item_base_url: "", id_key: 'id', placeholder: t("ontologies.ontology_search_prompt"),
+                                    item_base_url: "", id_key: 'id', placeholder: placeholder || t("ontologies.ontology_search_prompt"),
                                     use_cache: false, search_icon_type: search_icon_type,
                                     actions_links: { search_ontology_content: "/search?query=o", browse_all_ontologies: "/ontologies?search=o" }) do |s|
       s.template do
@@ -23,4 +23,4 @@ def ontology_content_autocomplete(search: '', ontologies: [], types: [])
     ontologies_content_autocomplete(ontologies: ontologies, types: types, search: "#{search}")
   end
 
-end
+end

app/views/layouts/_topnav.html.haml

@@ -22,7 +22,7 @@
             %input
         - else
           .nav-search-container
-            = ontologies_content_autocomplete(search_icon_type: 'nav')
+            = ontologies_content_autocomplete(search_icon_type: 'nav', placeholder: t('ontologies.ontology_search_topnav'))
 
         - if session[:user].nil?
           %a.nav-a{:href => "/login"}= t('layout.header.login')

config/locales/en.yml

@@ -1174,6 +1174,7 @@ en:
     outside: outside
     relation_with_other_ontologies: Relation with other semantic resources either in %{inside} or %{outside}
     ontology_search_prompt: 'Search a semantic resource or a term (e.g., Environmental impact)'
+    ontology_search_topnav: 'Search...'
     views: Views
     create_new_view: Create new view
     expand_all: Expand All

config/locales/fr.yml

@@ -1198,6 +1198,7 @@ fr:
     outside: extérieur
     relation_with_other_ontologies: Relation avec d'autres ontologies soit à l'intérieur soit à l'extérieur
     ontology_search_prompt: 'Rechercher une ontologie ou un terme (par exemple, hauteur de plante)'
+    ontology_search_topnav: 'Rechercher...'
     views: Vues
     create_new_view: Créer une nouvelle vue
     expand_all: Tout déplier