diff --git a/golem_activity/i18n/fr.po b/golem_activity/i18n/fr.po
index 14af73c..89b492b 100644
--- a/golem_activity/i18n/fr.po
+++ b/golem_activity/i18n/fr.po
@@ -461,8 +461,8 @@ msgstr "Prix de vente"
 
 #. module: golem_activity
 #: field:golem.activity,season_id:0
-msgid "Seasons"
-msgstr "Saisons"
+msgid "Season"
+msgstr "Saison"
 
 #. module: golem_activity
 #: help:golem.activity,categ_id:0
diff --git a/golem_activity/models/golem_activity.py b/golem_activity/models/golem_activity.py
index a6d6a53..8bf7ec9 100644
--- a/golem_activity/models/golem_activity.py
+++ b/golem_activity/models/golem_activity.py
@@ -32,12 +32,16 @@ class GolemActivity(models.Model):
     _inherits = {'product.template': 'product_id'}
     _rec_name = 'activity_name'
 
-    season_id = fields.Many2one('golem.season', string='Seasons',
-                                required=True)
+    # Copy the default code
+    default_code = fields.Char(copy=True)
+
+    # Own fields
+    season_id = fields.Many2one('golem.season', string='Season',
+                                copy=False, required=True)
     animator_id = fields.Many2one('res.partner', string='Animator',
                                   domain=[('is_company', '=', False)])
-    date_start = fields.Date('Start date')
-    date_end = fields.Date('End date')
+    date_start = fields.Date('Start date', copy=False)
+    date_end = fields.Date('End date', copy=False)
 
     @api.constrains('date_start', 'date_end')
     def _check_period(self):
diff --git a/golem_activity/views/golem_activity_view.xml b/golem_activity/views/golem_activity_view.xml
index 28c9a58..be32f98 100644
--- a/golem_activity/views/golem_activity_view.xml
+++ b/golem_activity/views/golem_activity_view.xml
@@ -74,6 +74,20 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
       </field>
     </record>
 
+    <!-- Trees -->
+    <record model="ir.ui.view" id="view_tree">
+      <field name="name">GOLEM Activity Tree/List</field>
+      <field name="model">golem.activity</field>
+      <field name="arch" type="xml">
+        <tree string="GOLEM Activities">
+          <field name="default_code" />
+          <field name="name" />
+          <field name="season_id" />
+          <field name="animator_id" />
+        </tree>
+      </field>
+    </record>
+
     <!-- Searches -->
     <record id="view_filter" model="ir.ui.view">
       <field name="name">GOLEM Activity Filters</field>
@@ -81,6 +95,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
       <field name="arch" type="xml">
         <search>
           <field name="activity_name" />
+          <field name="categ_id" widget="many2one" />
           <field name="season_id" widget="many2one" />
           <filter name="season_default" string="Default season"
            domain="[('is_current', '=', True)]" />
@@ -92,7 +107,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
       </field>
     </record>
 
-
     <!-- Actions -->
     <record id="action" model="ir.actions.act_window">
       <field name="name">GOLEM Activities</field>