Event filters stores at cookies.

app/assets/javascripts/dashboard.js

@@ -0,0 +1,27 @@
+/**
+ * Init dashboard page
+ *
+ */
+function dashboardPage(){ 
+  $(".event_filter_link").bind('click',(function(){
+    enableFilter(this.id);
+  }));
+}
+
+function enableFilter(sender_id){
+  var event_filters = $.cookie('event_filter');
+  var filter = sender_id.split('_')[0];
+  if (!event_filters) {
+    event_filters = new Array();
+  } else {
+    event_filters = event_filters.split(',');
+  }
+  var index = event_filters.indexOf(filter);
+  if (index == -1) {
+    event_filters.push(filter);
+  } else {
+    event_filters.splice(index, 1);
+  }
+  $.cookie('event_filter', event_filters.join(','));
+};
+

app/controllers/dashboard_controller.rb

@@ -60,6 +60,7 @@ class DashboardController < ApplicationController
   end
 
   def event_filter
-    @event_filter ||= EventFilter.new(params[:event_filter])
+    filters = cookies['event_filter'].split(',') if cookies['event_filter']
+    @event_filter ||= EventFilter.new(filters)
   end
 end

app/helpers/events_helper.rb

@@ -22,9 +22,6 @@ module EventsHelper
 
   def event_filter_link key, tooltip
     key = key.to_s
-
-    filter = @event_filter.options key
-
     inactive = if @event_filter.active? key
                  nil
                else
@@ -32,7 +29,7 @@ module EventsHelper
                end
 
     content_tag :div, class: "filter_icon #{inactive}" do
-      link_to dashboard_path(event_filter: filter), class: 'has_tooltip', id: "#{key}_event_filter", 'data-original-title' => tooltip do
+      link_to dashboard_path, class: 'has_tooltip event_filter_link', id: "#{key}_event_filter", 'data-original-title' => tooltip do
         image_tag "event_filter_#{key}.png"
       end
     end

app/views/dashboard/index.html.haml

@@ -1,3 +1,4 @@
+= javascript_include_tag 'dashboard'
 - if @has_authorized_projects
   .projects
     .activities.span8