Merge pull request #8 from swparkaust/master

Added support to change or hide label when no matches found

Author: bigtunacan

README.md

@@ -240,6 +240,22 @@ To have the first item be automatically focused on when the autocomplete menu is
 
 Now your autocomplete code is unobtrusive, Rails style.
 
+#### Client-side config
+
+To configure the behaviour if no matches are found, you can set the following options:
+
+    jQuery.railsAutocomplete.options.showNoMatches //default true
+    jQuery.railsAutocomplete.options.noMatchesLabel //default 'no existing match'
+
+These will change the behaviour globally. To set them on a single input field use:
+
+    f.autocomplete_field :brand_names, autocomplete_brand_name_products_path, 
+    'data-showNoMatches' => false
+    #or
+    f.autocomplete_field :brand_names, autocomplete_brand_name_products_path, 
+    'data-noMatchesLabel' => 'no brands found'
+
+
 ### Getting the object id
 
 If you need to use the id of the selected object, you can use the *id_element* attribute too:

lib/assets/javascripts/autocomplete-rails-uncompressed.js

@@ -35,6 +35,10 @@
     var _e = e;
     this.init(_e);
   };
+  jQuery.railsAutocomplete.options = {
+    showNoMatches: true,
+    noMatchesLabel: 'no existing match'
+  }
 
   jQuery.railsAutocomplete.fn = jQuery.railsAutocomplete.prototype = {
     railsAutocomplete: '0.0.1'
@@ -67,9 +71,17 @@
             });
           }
           jQuery.getJSON( jQuery(e).attr('data-autocomplete'), params, function() {
-            if(arguments[0].length === 0) {
+            var options = {};
+            jQuery.extend(options, jQuery.railsAutocomplete.options);
+            jQuery.each(options, function(key, value) {
+              if(options.hasOwnProperty(key)) {
+                var attrVal = jQuery(e).attr('data-' + key);
+                options[key] = attrVal ? attrVal : value;
+              }
+            });
+            if(arguments[0].length == 0 && options.showNoMatches) {
               arguments[0] = [];
-              arguments[0][0] = { id: "", label: "no existing match" };
+              arguments[0][0] = { id: "", label: options.noMatchesLabel };
             }
             jQuery(arguments[0]).each(function(i, el) {
               var obj = {};

lib/assets/javascripts/autocomplete-rails.js

@@ -1,3 +1,3 @@
 module RailsJQueryAutocomplete
-  VERSION = '1.0.0'
+  VERSION = '1.1.0'
 end