Merge pull request #614 from hbrunn/8.0-web_search_autocomplete_prefetch

8.0 web search autocomplete prefetch

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
 =====
 
-* go to ...
 .. image:: https://odoo-community.org/website/image/ir.attachment/5784_f2813bd/datas
     :alt: Try me on Runbot
     :target: https://runbot.odoo-community.org/runbot/162/8.0
@@ -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

@@ -84,6 +84,24 @@ 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)
@@ -92,5 +110,18 @@ openerp.web_search_autocomplete_prefetch = function(instance)
             }
             return this._super.apply(this, arguments);
         },
+        initiate_search: function(query)
+        {
+            var self = this,
+                _super = this._super,
+                last_timeout = null;
+            this.last_timeout = last_timeout = window.setTimeout(function()
+            {
+                if(self.last_timeout == last_timeout)
+                {
+                    _super.apply(self, [query]);
+                }
+            }, this.keypress_timeout)
+        },
     });
 }