[ADD] make prefetch timeout configurable

web_search_autocomplete_prefetch/README.rst

@@ -12,7 +12,6 @@ term in the background and only offers an option if this search has a result.
 Usage
 =====
 
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@@ -26,11 +25,17 @@ Known issues / Roadmap
 
 * some searches (especially via function fields) can be very heavy on the
   server.
-
   To disable prefetching on a per field basis, set the option
   `web_search_autocomplete_prefetch.disable`::
+
     options="{'web_search_autocomplete_prefetch.disable': true}"
+
   on your field in the search view.
+* by default, the addon triggers a search 350 milliseconds after the last key
+  pess. If you want a different timeout, set the parameter
+  ``web_search_autocomplete_prefetch.keypress_timeout`` to the amount of
+  milliseconds you need as timeout.
+
 
 Bug Tracker
 ===========

web_search_autocomplete_prefetch/static/src/js/web_search_autocomplete_prefetch.js

@@ -85,6 +85,23 @@ openerp.web_search_autocomplete_prefetch = function(instance)
 
     instance.web.search.AutoComplete.include({
         keypress_timeout: 350,
+        start: function()
+        {
+            var self = this;
+            return jQuery.when(
+                this._super.apply(this, arguments),
+                new instance.web.Model('ir.config_parameter').call(
+                    'get_param',
+                    [
+                        'web_search_autocomplete_prefetch.keypress_timeout',
+                        this.keypress_timeout
+                    ]
+                ).then(function(keypress_timeout)
+                {
+                    self.keypress_timeout = parseInt(keypress_timeout);
+                })
+            );
+        },
         select_item: function()
         {
             if(!this.current_result)