Searchfilter handles empty query

h/static/scripts/searchfilters.coffee

@@ -19,9 +19,6 @@ class SearchFilter
     tokens
 
   generateFacetedFilter: (searchtext) ->
-    return unless searchtext
-    terms = @_tokenize(searchtext)
-
     any = []
     quote = []
     result = []
@@ -31,6 +28,8 @@ class SearchFilter
     uri = []
     user = []
 
+    if searchtext
+      terms = @_tokenize(searchtext)
       for term in terms
         filter = term.slice 0, term.indexOf ":"
         unless filter? then filter = ""
@@ -76,6 +75,7 @@ class SearchFilter
           when 'uri' then uri.push term[4..]
           when 'user' then user.push term[5..]
           else any.push term
+
     any:
       terms: any
       operator: 'and'

h/static/scripts/services.coffee

@@ -783,7 +783,6 @@ class ViewFilter
   #
   # Returns the list of matching annotation IDs.
   filter: (annotations, query) =>
-    return [] unless query.query
     filters = @searchfilter.generateFacetedFilter query.query
     results = []
 

h/static/styles/simple-search.scss

@@ -5,7 +5,7 @@
   color: $gray;
 
   &.simple-search-inactive {
-    color: $grayLighter;
+    color: $gray-lighter;
   }
 }
 
@@ -26,8 +26,8 @@
   padding-left: 2em;
 
   .simple-search-inactive & {
-    background-color: $grayLightest;
-    border-color: $grayLightest !important;
+    background-color: $gray-lightest;
+    border-color: $gray-lightest !important;
   }
 }
 
@@ -45,7 +45,7 @@
   top: 50%;
   border: none;
   border-radius: 50%;
-  background: $grayLight;
+  background: $gray-light;
   color: #fff;
   width: 16px;
   height: 16px;
@@ -58,7 +58,7 @@
 
   &:focus, &:hover, &:active:not([disabled]) {
     @include transition(background-color 200ms ease-in);
-    background-color: $grayLight;
+    background-color: $gray-light;
     color: #fff;
     border: none;
     background-image: none;