persist filter_[cat/value] in redirects

deluge/ui/webui/pages.py

@@ -94,8 +94,12 @@ class index:
         if not vars.sort: #no arguments, default to coockies.
             vars.update(cookies())
         else: #has arguments:set cookies from arguments.
-            for key in ["sort", "order", "state", "tracker", "keyword"]:
+            for key in ["sort", "order", "filter_cat","filter_value"]:
-                setcookie(key,getattr(vars,key))
+                value = getattr(vars, key)
+                if value:
+                    setcookie(key, value)
+                else:
+                   setcookie(key, "")
 
         #organize-filters
         label_filters = {}

deluge/ui/webui/render.py

@@ -113,13 +113,6 @@ def error_page(error):
     web.header("Cache-Control", "no-cache, must-revalidate")
     print render.error(error)
 
-#template-defs:
-"""
-obsolete:
-def category_tabs(torrent_list):
-    filter_tabs, category_tabs = get_category_choosers(torrent_list)
-    return render.part_categories(filter_tabs, category_tabs)
-"""
 
 def template_crop_middle(text, maxlen):
     try:

deluge/ui/webui/templates/deluge/sort_column_head.html

@@ -1,6 +1,6 @@
 $def with (column_id, column_name, order, active_up, active_down)
 <th class="torrent_table">
-<a href="$base/index?sort=$column_id&order=$order&state=$get('state')&tracker=$get('tracker')&keyword=$get('keyword')"">
+<a href="$base/index?sort=$column_id&order=$order&filter_cat=$get('filter_cat')&filter_value=$get('filter_value')"">
 $column_name\
 $if active_up:
     <img src="$base/static/images/tango/up.png" />