Add showSuggestions function

Author: Rob Peters

paper-autocomplete-suggestions.html

@@ -894,6 +894,11 @@
         }.bind(this), 0);
       },
 
+      showSuggestions: function (query) {
+        query = query || '';
+        this._suggestions = this.queryFn(this.source, query.toLowerCase());
+      },
+
       /**
        * Query function is called on each keystroke to query the data source and returns the suggestions that matches
        * with the filtering logic included.

paper-autocomplete.html

@@ -697,6 +697,13 @@
         this.$.paperAutocompleteSuggestions.hideSuggestions();
       },
 
+      showSuggestions: function (query) {
+        if (query && this.$.autocompleteInput.value != query) {
+          this.$.autocompleteInput.value = query;
+        }
+        this.$.paperAutocompleteSuggestions.showSuggestions(query);
+      },
+
       /**
        * Allows calling the onSelect function from outside
        * This in time triggers the autocomplete-selected event