diff --git a/lib/Alchemy/Phrasea/Core/Event/Acl/AccessPeriodChangedEvent.php b/lib/Alchemy/Phrasea/Core/Event/Acl/AccessPeriodChangedEvent.php
new file mode 100644
index 0000000000..65470721e4
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Acl/AccessPeriodChangedEvent.php
@@ -0,0 +1,20 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Acl;
+
+class AccessPeriodChangedEvent extends AclEvent
+{
+    public function getBaseId()
+    {
+        return $this->args['base_id'];
+    }
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Acl/AccessToBaseGrantedEvent.php b/lib/Alchemy/Phrasea/Core/Event/Acl/AccessToBaseGrantedEvent.php
new file mode 100644
index 0000000000..f4f096dfc2
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Acl/AccessToBaseGrantedEvent.php
@@ -0,0 +1,20 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Acl;
+
+class AccessToBaseGrantedEvent extends AclEvent
+{
+    public function getBaseId()
+    {
+        return $this->args['base_id'];
+    }
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Acl/AccessToBaseRevokedEvent.php b/lib/Alchemy/Phrasea/Core/Event/Acl/AccessToBaseRevokedEvent.php
new file mode 100644
index 0000000000..ae42357e44
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Acl/AccessToBaseRevokedEvent.php
@@ -0,0 +1,20 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Acl;
+
+class AccessToBaseRevokedEvent extends AclEvent
+{
+    public function getBaseId()
+    {
+        return $this->args['base_id'];
+    }
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Acl/AccessToSbasGrantedEvent.php b/lib/Alchemy/Phrasea/Core/Event/Acl/AccessToSbasGrantedEvent.php
new file mode 100644
index 0000000000..58ecd90d52
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Acl/AccessToSbasGrantedEvent.php
@@ -0,0 +1,20 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Acl;
+
+class AccessToSbasGrantedEvent extends AclEvent
+{
+    public function getSbasId()
+    {
+        return $this->args['sbas_id'];
+    }
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Acl/AclEvent.php b/lib/Alchemy/Phrasea/Core/Event/Acl/AclEvent.php
new file mode 100644
index 0000000000..867e5a1bed
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Acl/AclEvent.php
@@ -0,0 +1,42 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2015 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Acl;
+
+use Symfony\Component\EventDispatcher\Event;
+use ACL;
+
+abstract class AclEvent extends Event
+{
+    /** @var ACL */
+    private $acl;
+
+    /**@var array|null $args supplemental parameters specific to an inherited event class */
+    protected $args;
+
+    /**
+     * @param ACL $acl
+     * @param array|null $args
+     */
+    public function __construct(ACL $acl, array $args = null)
+    {
+        $this->acl = $acl;
+        $this->args = $args;
+    }
+
+    /**
+     * @return ACL
+     */
+    public function getAcl()
+    {
+        return $this->acl;
+    }
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Acl/AclEvents.php b/lib/Alchemy/Phrasea/Core/Event/Acl/AclEvents.php
new file mode 100644
index 0000000000..8eff5f7266
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Acl/AclEvents.php
@@ -0,0 +1,27 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Acl;
+
+final class AclEvents
+{
+    const SYSADMIN_CHANGED = 'acl.syadmin_changed';
+    const ACCESS_TO_BASE_REVOKED = 'acl.access_to_base_revoked';
+    const ACCESS_TO_BASE_GRANTED = 'acl.acces_to_base_granted';
+    const ACCESS_TO_SBAS_GRANTED = 'acl.acces_to_sbas_granted';
+    const RIGHTS_TO_BASE_CHANGED = 'acl.rights_to_base_changed';
+    const RIGHTS_TO_SBAS_CHANGED = 'acl.rights_to_sbas_changed';
+    const DOWNLOAD_QUOTAS_ON_BASE_REMOVED = 'acl.download_quotas_on_base_removed';
+    const DOWNLOAD_QUOTAS_RESET = 'acl.download_quotas_reset';
+    const DOWNLOAD_QUOTAS_ON_BASE_CHANGED = 'acl.download_quotas_on_base_changed';
+    const MASKS_ON_BASE_CHANGED = 'acl.masks_on_base_changed';
+    const ACCESS_PERIOD_CHANGED = 'acl.access_period_changed';
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Acl/DownloadQuotasOnBaseChangedEvent.php b/lib/Alchemy/Phrasea/Core/Event/Acl/DownloadQuotasOnBaseChangedEvent.php
new file mode 100644
index 0000000000..ae72d1a843
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Acl/DownloadQuotasOnBaseChangedEvent.php
@@ -0,0 +1,30 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Acl;
+
+class DownloadQuotasOnBaseChangedEvent extends AclEvent
+{
+    public function getBaseId()
+    {
+        return $this->args['base_id'];
+    }
+
+    public function getRemainingDownloads()
+    {
+        return $this->args['remain_dwnld'];
+    }
+
+    public function getMonthDownloadMax()
+    {
+        return $this->args['month_dwnld_max'];
+    }
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Acl/DownloadQuotasOnBaseRemovedEvent.php b/lib/Alchemy/Phrasea/Core/Event/Acl/DownloadQuotasOnBaseRemovedEvent.php
new file mode 100644
index 0000000000..64860e4a3c
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Acl/DownloadQuotasOnBaseRemovedEvent.php
@@ -0,0 +1,20 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Acl;
+
+class DownloadQuotasOnBaseRemovedEvent extends AclEvent
+{
+    public function getBaseId()
+    {
+        return $this->args['base_id'];
+    }
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Acl/DownloadQuotasResetEvent.php b/lib/Alchemy/Phrasea/Core/Event/Acl/DownloadQuotasResetEvent.php
new file mode 100644
index 0000000000..30967ecb28
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Acl/DownloadQuotasResetEvent.php
@@ -0,0 +1,16 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Acl;
+
+class DownloadQuotasResetEvent extends AclEvent
+{
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Acl/MasksOnBaseChangedEvent.php b/lib/Alchemy/Phrasea/Core/Event/Acl/MasksOnBaseChangedEvent.php
new file mode 100644
index 0000000000..cac1aec5b6
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Acl/MasksOnBaseChangedEvent.php
@@ -0,0 +1,20 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Acl;
+
+class MasksOnBaseChangedEvent extends AclEvent
+{
+    public function getBaseId()
+    {
+        return $this->args['base_id'];
+    }
+}
\ No newline at end of file
diff --git a/lib/Alchemy/Phrasea/Core/Event/Acl/RightsToBaseChangedEvent.php b/lib/Alchemy/Phrasea/Core/Event/Acl/RightsToBaseChangedEvent.php
new file mode 100644
index 0000000000..f4e313372d
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Acl/RightsToBaseChangedEvent.php
@@ -0,0 +1,25 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Acl;
+
+class RightsToBaseChangedEvent extends AclEvent
+{
+    public function getBaseId()
+    {
+        return $this->args['base_id'];
+    }
+
+    public function getRights()
+    {
+        return $this->args['rights'];
+    }
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Acl/RightsToSbasChangedEvent.php b/lib/Alchemy/Phrasea/Core/Event/Acl/RightsToSbasChangedEvent.php
new file mode 100644
index 0000000000..279be1769c
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Acl/RightsToSbasChangedEvent.php
@@ -0,0 +1,25 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Acl;
+
+class RightsToSbasChangedEvent extends AclEvent
+{
+    public function getSbasId()
+    {
+        return $this->args['sbas_id'];
+    }
+
+    public function getRights()
+    {
+        return $this->args['rights'];
+    }
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Acl/SysadminChangedEvent.php b/lib/Alchemy/Phrasea/Core/Event/Acl/SysadminChangedEvent.php
new file mode 100644
index 0000000000..f4c9563f3c
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Acl/SysadminChangedEvent.php
@@ -0,0 +1,20 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Acl;
+
+class SysadminChangedEvent extends AclEvent
+{
+    public function isSysadmin()
+    {
+        return $this->args['is_sysadmin'];
+    }
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Collection/CollectionEvent.php b/lib/Alchemy/Phrasea/Core/Event/Collection/CollectionEvent.php
index 358a77d45a..5cef52fae2 100644
--- a/lib/Alchemy/Phrasea/Core/Event/Collection/CollectionEvent.php
+++ b/lib/Alchemy/Phrasea/Core/Event/Collection/CollectionEvent.php
@@ -15,15 +15,23 @@ use Symfony\Component\EventDispatcher\Event;
 
 abstract class CollectionEvent extends Event
 {
+    /** @var \collection $collection */
     private $collection;
+    /** @var  array|null $args */
+    protected $args;
 
-    public function __construct(\collection $collection)
+    /**
+     * @param \collection|null $collection
+     * @param array|null $args
+     */
+    public function __construct($collection, array $args = null)
     {
         $this->collection = $collection;
+        $this->args = $args;
     }
 
     /**
-     * @return \collection
+     * @return \collection|null
      */
     public function getCollection()
     {
diff --git a/lib/Alchemy/Phrasea/Core/Event/Collection/CollectionEvents.php b/lib/Alchemy/Phrasea/Core/Event/Collection/CollectionEvents.php
index 205cf5cf76..ec8cbccd24 100644
--- a/lib/Alchemy/Phrasea/Core/Event/Collection/CollectionEvents.php
+++ b/lib/Alchemy/Phrasea/Core/Event/Collection/CollectionEvents.php
@@ -14,5 +14,12 @@ namespace Alchemy\Phrasea\Core\Event\Collection;
 final class CollectionEvents
 {
     const CREATED = 'collection.created';
+    const DISABLED = 'collection.disabled';
+    const EMPTIED = 'collection.emptied';
+    const ENABLED = 'collection.enabled';
+    const LABEL_CHANGED = 'collection.label_changed';
+    const MOUNTED = 'collection.mounted';
     const NAME_CHANGED = 'collection.name_changed';
+    const SETTINGS_CHANGED = 'collection.settings_changed';
+    const UNMOUNTED = 'collection.unmounted';
 }
diff --git a/lib/Alchemy/Phrasea/Core/Event/Collection/DisabledEvent.php b/lib/Alchemy/Phrasea/Core/Event/Collection/DisabledEvent.php
new file mode 100644
index 0000000000..46fe8882d3
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Collection/DisabledEvent.php
@@ -0,0 +1,16 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Collection;
+
+class DisabledEvent extends CollectionEvent
+{
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Collection/EmptiedEvent.php b/lib/Alchemy/Phrasea/Core/Event/Collection/EmptiedEvent.php
new file mode 100644
index 0000000000..51bd388203
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Collection/EmptiedEvent.php
@@ -0,0 +1,16 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Collection;
+
+class EmptiedEvent extends CollectionEvent
+{
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Collection/EnabledEvent.php b/lib/Alchemy/Phrasea/Core/Event/Collection/EnabledEvent.php
new file mode 100644
index 0000000000..0e1733cacb
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Collection/EnabledEvent.php
@@ -0,0 +1,16 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Collection;
+
+class EnabledEvent extends CollectionEvent
+{
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Collection/LabelChangedEvent.php b/lib/Alchemy/Phrasea/Core/Event/Collection/LabelChangedEvent.php
new file mode 100644
index 0000000000..9def93703f
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Collection/LabelChangedEvent.php
@@ -0,0 +1,25 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Collection;
+
+class LabelChangedEvent extends CollectionEvent
+{
+    public function getLng()
+    {
+        return $this->args['lng'];
+    }
+
+    public function getLabelBefore()
+    {
+        return $this->args['label_before'];
+    }
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Collection/MountedEvent.php b/lib/Alchemy/Phrasea/Core/Event/Collection/MountedEvent.php
new file mode 100644
index 0000000000..15792d7dfd
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Collection/MountedEvent.php
@@ -0,0 +1,16 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Collection;
+
+class MountedEvent extends CollectionEvent
+{
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Collection/SettingsChangedEvent.php b/lib/Alchemy/Phrasea/Core/Event/Collection/SettingsChangedEvent.php
new file mode 100644
index 0000000000..a96dabc92f
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Collection/SettingsChangedEvent.php
@@ -0,0 +1,20 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Collection;
+
+class SettingsChangedEvent extends CollectionEvent
+{
+    public function getSettingsBefore()
+    {
+        return $this->args['settings_before'];
+    }
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Collection/UnmountedEvent.php b/lib/Alchemy/Phrasea/Core/Event/Collection/UnmountedEvent.php
new file mode 100644
index 0000000000..461ba0645e
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Collection/UnmountedEvent.php
@@ -0,0 +1,25 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Collection;
+
+class UnmountedEvent extends CollectionEvent
+{
+    public function getCollId()
+    {
+        return $this->args['coll_id'];
+    }
+
+    public function getCollName()
+    {
+        return $this->args['coll_name'];
+    }
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Databox/CreatedEvent.php b/lib/Alchemy/Phrasea/Core/Event/Databox/CreatedEvent.php
new file mode 100644
index 0000000000..2384437806
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Databox/CreatedEvent.php
@@ -0,0 +1,16 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Databox;
+
+class CreatedEvent extends DataboxEvent
+{
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Databox/DataboxEvent.php b/lib/Alchemy/Phrasea/Core/Event/Databox/DataboxEvent.php
new file mode 100644
index 0000000000..f9b075e11c
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Databox/DataboxEvent.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace Alchemy\Phrasea\Core\Event\Databox;
+
+use Symfony\Component\EventDispatcher\Event;
+
+class DataboxEvent extends Event
+{
+    /** @var  \databox|null $databox */
+    private $databox;
+
+    /** @var array|null $args  supplemental parameters specific to an inherited event class */
+    protected $args;
+
+    /**
+     * @param \databox|null $databox
+     * @param array|null $args
+     */
+    public function __construct($databox, array $args = null)
+    {
+        $this->databox = $databox;
+        $this->args = $args;
+    }
+
+    public function getDatabox()
+    {
+        return $this->databox;
+    }
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Databox/DataboxEvents.php b/lib/Alchemy/Phrasea/Core/Event/Databox/DataboxEvents.php
new file mode 100644
index 0000000000..40b5aa13ea
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Databox/DataboxEvents.php
@@ -0,0 +1,24 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Databox;
+
+final class DataboxEvents
+{
+    const UNMOUNTED = 'databox.unmounted';
+    const CREATED = 'databox.created';
+    const MOUNTED = 'databox.mounted';
+    const DELETED = 'databox.deleted';
+    const STRUCTURE_CHANGED = 'databox.structure_changed';
+    const THESAURUS_CHANGED = 'databox.thesaurus_changed';
+    const REINDEX_ASKED = 'databox.reindex_asked';
+    const TOU_CHANGED = 'databox.tou_changed';
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Databox/DeletedEvent.php b/lib/Alchemy/Phrasea/Core/Event/Databox/DeletedEvent.php
new file mode 100644
index 0000000000..e684e0ff7e
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Databox/DeletedEvent.php
@@ -0,0 +1,20 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Databox;
+
+class DeletedEvent extends DataboxEvent
+{
+    public function getDbName()
+    {
+        return $this->args['dbname'];
+    }
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Databox/MountedEvent.php b/lib/Alchemy/Phrasea/Core/Event/Databox/MountedEvent.php
new file mode 100644
index 0000000000..68f487b0fb
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Databox/MountedEvent.php
@@ -0,0 +1,16 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Databox;
+
+class MountedEvent extends DataboxEvent
+{
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Databox/ReindexAskedEvent.php b/lib/Alchemy/Phrasea/Core/Event/Databox/ReindexAskedEvent.php
new file mode 100644
index 0000000000..59c1d090b8
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Databox/ReindexAskedEvent.php
@@ -0,0 +1,16 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Databox;
+
+class ReindexAskedEvent extends DataboxEvent
+{
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Databox/StructureChangedEvent.php b/lib/Alchemy/Phrasea/Core/Event/Databox/StructureChangedEvent.php
new file mode 100644
index 0000000000..3d69eb78f0
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Databox/StructureChangedEvent.php
@@ -0,0 +1,20 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Databox;
+
+class StructureChangedEvent extends DataboxEvent
+{
+    public function getDomBefore()
+    {
+        return $this->args['dom_before'];
+    }
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Databox/ThesaurusChangedEvent.php b/lib/Alchemy/Phrasea/Core/Event/Databox/ThesaurusChangedEvent.php
new file mode 100644
index 0000000000..2990eac048
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Databox/ThesaurusChangedEvent.php
@@ -0,0 +1,20 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Databox;
+
+class ThesaurusChangedEvent extends DataboxEvent
+{
+    public function getDomBefore()
+    {
+        return $this->args['dom_before'];
+    }
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Databox/TouChangedEvent.php b/lib/Alchemy/Phrasea/Core/Event/Databox/TouChangedEvent.php
new file mode 100644
index 0000000000..f93c107504
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Databox/TouChangedEvent.php
@@ -0,0 +1,20 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Databox;
+
+class TouChangedEvent extends DataboxEvent
+{
+    public function getTouBefore()
+    {
+        return $this->args['tou_before'];
+    }
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/Databox/UnmountedEvent.php b/lib/Alchemy/Phrasea/Core/Event/Databox/UnmountedEvent.php
new file mode 100644
index 0000000000..c82fd95fda
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/Databox/UnmountedEvent.php
@@ -0,0 +1,20 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\Databox;
+
+class UnmountedEvent extends DataboxEvent
+{
+    public function getDbName()
+    {
+        return $this->args['dbname'];
+    }
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/User/CreatedEvent.php b/lib/Alchemy/Phrasea/Core/Event/User/CreatedEvent.php
new file mode 100644
index 0000000000..d130e14810
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/User/CreatedEvent.php
@@ -0,0 +1,16 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\User;
+
+class CreatedEvent extends UserEvent
+{
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/User/DeletedEvent.php b/lib/Alchemy/Phrasea/Core/Event/User/DeletedEvent.php
new file mode 100644
index 0000000000..b67ba45b24
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/User/DeletedEvent.php
@@ -0,0 +1,39 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\User;
+
+class DeletedEvent extends UserEvent
+{
+    /**
+     * @return int
+     */
+    public function getUserId()
+    {
+        return $this->args['user_id'];
+    }
+
+    /**
+     * @return string
+     */
+    public function getLogin()
+    {
+        return $this->args['login'];
+    }
+
+    /**
+     * @return string
+     */
+    public function getEmailAddress()
+    {
+        return $this->args['email'];
+    }
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/User/UserEvent.php b/lib/Alchemy/Phrasea/Core/Event/User/UserEvent.php
new file mode 100644
index 0000000000..ecfa47de61
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/User/UserEvent.php
@@ -0,0 +1,40 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2015 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\User;
+
+use Alchemy\Phrasea\Model\Entities\User as UserEntity;
+use Symfony\Component\EventDispatcher\Event;
+use ACL;
+
+abstract class UserEvent extends Event
+{
+    /** @var UserEntity |null $user */
+    private $user;
+
+    /** @var  array|null $args */
+    protected $args;
+
+    /**
+     * @param UserEntity|null $user
+     * @param array|null $args
+     */
+    public function __construct($user, Array $args = null)
+    {
+        $this->user = $user;
+        $this->args = $args;
+    }
+
+    public function getUser()
+    {
+        return $this->user;
+    }
+}
diff --git a/lib/Alchemy/Phrasea/Core/Event/User/UserEvents.php b/lib/Alchemy/Phrasea/Core/Event/User/UserEvents.php
new file mode 100644
index 0000000000..5add592edc
--- /dev/null
+++ b/lib/Alchemy/Phrasea/Core/Event/User/UserEvents.php
@@ -0,0 +1,18 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2014 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Alchemy\Phrasea\Core\Event\User;
+
+final class UserEvents
+{
+    const DELETED = 'user.deleted';
+    const CREATED = 'user.created';
+}
diff --git a/lib/Alchemy/Phrasea/Core/Provider/ManipulatorServiceProvider.php b/lib/Alchemy/Phrasea/Core/Provider/ManipulatorServiceProvider.php
index 7e1af5dd64..511f0bcc3f 100644
--- a/lib/Alchemy/Phrasea/Core/Provider/ManipulatorServiceProvider.php
+++ b/lib/Alchemy/Phrasea/Core/Provider/ManipulatorServiceProvider.php
@@ -38,7 +38,7 @@ class ManipulatorServiceProvider implements ServiceProviderInterface
         });
 
         $app['manipulator.user'] = $app->share(function ($app) {
-            return new UserManipulator($app['model.user-manager'], $app['auth.password-encoder'], $app['geonames.connector'], $app['repo.users'], $app['random.low']);
+            return new UserManipulator($app['model.user-manager'], $app['auth.password-encoder'], $app['geonames.connector'], $app['repo.users'], $app['random.low'], $app['dispatcher']);
         });
 
         $app['manipulator.token'] = $app->share(function ($app) {
diff --git a/lib/Alchemy/Phrasea/Model/Manipulator/UserManipulator.php b/lib/Alchemy/Phrasea/Model/Manipulator/UserManipulator.php
index eb02187d14..ff712488a7 100644
--- a/lib/Alchemy/Phrasea/Model/Manipulator/UserManipulator.php
+++ b/lib/Alchemy/Phrasea/Model/Manipulator/UserManipulator.php
@@ -13,6 +13,7 @@ namespace Alchemy\Phrasea\Model\Manipulator;
 
 use Alchemy\Geonames\Connector as GeonamesConnector;
 use Alchemy\Geonames\Exception\ExceptionInterface as GeonamesExceptionInterface;
+use Alchemy\Phrasea\Core\Event\User\CreatedEvent;
 use Alchemy\Phrasea\Model\Entities\UserNotificationSetting;
 use Alchemy\Phrasea\Model\Entities\UserQuery;
 use Alchemy\Phrasea\Model\Entities\UserSetting;
@@ -24,6 +25,11 @@ use RandomLib\Generator;
 use Doctrine\ORM\EntityRepository;
 use Symfony\Component\Security\Core\Encoder\PasswordEncoderInterface;
 
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+use Alchemy\Phrasea\Core\Event\User\UserEvents;
+use Alchemy\Phrasea\Core\Event\User\DeletedEvent;
+
+
 /**
  * Manages common operations for the users.
  */
@@ -39,14 +45,18 @@ class UserManipulator implements ManipulatorInterface
     private $generator;
     /** @var EntityRepository */
     private $repository;
+    /** @var EventDispatcherInterface */
+    private $dispatcher;
 
-    public function __construct(UserManager $manager, PasswordEncoderInterface $passwordEncoder, GeonamesConnector $connector, EntityRepository $repo, Generator $generator)
+
+    public function __construct(UserManager $manager, PasswordEncoderInterface $passwordEncoder, GeonamesConnector $connector, EntityRepository $repo, Generator $generator, EventDispatcherInterface $dispatcher)
     {
         $this->manager = $manager;
         $this->generator = $generator;
         $this->passwordEncoder = $passwordEncoder;
         $this->geonamesConnector = $connector;
         $this->repository = $repo;
+        $this->dispatcher = $dispatcher;
     }
 
     /**
@@ -71,6 +81,13 @@ class UserManipulator implements ManipulatorInterface
         $user->setAdmin($admin);
         $this->manager->update($user);
 
+        $this->dispatcher->dispatch(
+            UserEvents::CREATED,
+            new CreatedEvent(
+                $user
+            )
+        );
+
         return $user;
     }
 
@@ -81,11 +98,28 @@ class UserManipulator implements ManipulatorInterface
      */
     public function delete($users)
     {
+        /** @var User $user */
         foreach ($this->makeTraversable($users) as $user) {
+            $old_id = $user->getId();
+            $old_login = $user->getLogin();
+            $old_email = $user->getEmail();
+
             $user->setDeleted(true);
             $user->setEmail(null);
 
             $this->manager->delete($user);
+
+            $this->dispatcher->dispatch(
+                UserEvents::DELETED,
+                new DeletedEvent(
+                    null,
+                    array(
+                        'user_id'=>$old_id,
+                        'login'=>$old_login,
+                        'email'=>$old_email
+                    )
+                )
+            );
         }
     }
 
diff --git a/lib/classes/ACL.php b/lib/classes/ACL.php
index 556e69bcfe..d567fe8157 100644
--- a/lib/classes/ACL.php
+++ b/lib/classes/ACL.php
@@ -14,6 +14,20 @@ use Alchemy\Phrasea\Model\Entities\User;
 use Doctrine\DBAL\DBALException;
 use Alchemy\Phrasea\Model\RecordInterface;
 
+use Alchemy\Phrasea\Core\Event\Acl\AclEvents;
+use Alchemy\Phrasea\Core\Event\Acl\AccessPeriodChangedEvent;
+use Alchemy\Phrasea\Core\Event\Acl\AccessToBaseGrantedEvent;
+use Alchemy\Phrasea\Core\Event\Acl\AccessToBaseRevokedEvent;
+use Alchemy\Phrasea\Core\Event\Acl\AccessToSbasGrantedEvent;
+use Alchemy\Phrasea\Core\Event\Acl\DownloadQuotasOnBaseChangedEvent;
+use Alchemy\Phrasea\Core\Event\Acl\DownloadQuotasOnBaseRemovedEvent;
+use Alchemy\Phrasea\Core\Event\Acl\DownloadQuotasResetEvent;
+use Alchemy\Phrasea\Core\Event\Acl\MasksOnBaseChangedEvent;
+use Alchemy\Phrasea\Core\Event\Acl\RightsToBaseChangedEvent;
+use Alchemy\Phrasea\Core\Event\Acl\RightsToSbasChangedEvent;
+use Alchemy\Phrasea\Core\Event\Acl\SysadminChangedEvent;
+
+
 class ACL implements cache_cacheableInterface
 {
 
@@ -780,6 +794,16 @@ class ACL implements cache_cacheableInterface
             $this->app['manipulator.user']->demote($this->user);
         }
 
+        $this->app['dispatcher']->dispatch(
+            AclEvents::SYSADMIN_CHANGED,
+            new SysadminChangedEvent(
+                $this,
+                array(
+                    'is_sysadmin'=>$boolean
+                )
+            )
+        );
+
         return $this;
     }
 
@@ -1123,6 +1147,16 @@ class ACL implements cache_cacheableInterface
             if (!$stmt_del->execute([':base_id' => $base_id, ':usr_id'  => $usr_id])) {
                 throw new Exception('Error while deleteing some rights');
             }
+
+            $this->app['dispatcher']->dispatch(
+                AclEvents::ACCESS_TO_BASE_REVOKED,
+                new AccessToBaseRevokedEvent(
+                    $this,
+                    array(
+                        'base_id'=>$base_id
+                    )
+                )
+            );
         }
         $stmt_del->closeCursor();
         $this->delete_data_from_cache(self::CACHE_RIGHTS_BAS);
@@ -1167,6 +1201,16 @@ class ACL implements cache_cacheableInterface
         $stmt_upd = $this->app->getApplicationBox()->get_connection()->prepare($sql_upd);
         foreach ($to_update as $base_id) {
             $stmt_upd->execute([':usr_id'  => $usr_id, ':base_id' => $base_id]);
+
+            $this->app['dispatcher']->dispatch(
+                AclEvents::ACCESS_TO_BASE_GRANTED,
+                new AccessToBaseGrantedEvent(
+                    $this,
+                    array(
+                        'base_id'=>$base_id
+                    )
+                )
+            );
         }
         $stmt_upd->closeCursor();
 
@@ -1192,6 +1236,16 @@ class ACL implements cache_cacheableInterface
             if (!$this->has_access_to_sbas($sbas_id)) {
                 try {
                     $stmt_ins->execute([':sbas_id' => $sbas_id, ':usr_id'  => $usr_id]);
+
+                    $this->app['dispatcher']->dispatch(
+                        AclEvents::ACCESS_TO_SBAS_GRANTED,
+                        new AccessToSbasGrantedEvent(
+                            $this,
+                            array(
+                                'sbas_id'=>$sbas_id
+                            )
+                        )
+                    );
                 } catch (DBALException $e) {
 
                 }
@@ -1254,6 +1308,17 @@ class ACL implements cache_cacheableInterface
 
         $this->delete_data_from_cache(self::CACHE_RIGHTS_BAS);
 
+        $this->app['dispatcher']->dispatch(
+            AclEvents::RIGHTS_TO_BASE_CHANGED,
+            new RightsToBaseChangedEvent(
+                $this,
+                array(
+                    'base_id'=>$base_id,
+                    'rights'=>$rights
+                )
+            )
+        );
+
         return $this;
     }
 
@@ -1318,6 +1383,17 @@ class ACL implements cache_cacheableInterface
         $stmt_up->closeCursor();
         $this->delete_data_from_cache(self::CACHE_RIGHTS_SBAS);
 
+        $this->app['dispatcher']->dispatch(
+            AclEvents::RIGHTS_TO_SBAS_CHANGED,
+            new RightsToSbasChangedEvent(
+                $this,
+                array(
+                    'sbas_id'=>$sbas_id,
+                    'rights'=>$rights
+                )
+            )
+        );
+
         return $this;
     }
 
@@ -1339,6 +1415,16 @@ class ACL implements cache_cacheableInterface
         unset($stmt);
         $this->delete_data_from_cache(self::CACHE_RIGHTS_BAS);
 
+        $this->app['dispatcher']->dispatch(
+            AclEvents::DOWNLOAD_QUOTAS_ON_BASE_REMOVED,
+            new DownloadQuotasOnBaseRemovedEvent(
+                $this,
+                array(
+                    'base_id'=>$base_id
+                )
+            )
+        );
+
         return $this;
     }
 
@@ -1361,6 +1447,13 @@ class ACL implements cache_cacheableInterface
         unset($stmt);
         $this->delete_data_from_cache(self::CACHE_RIGHTS_BAS);
 
+        $this->app['dispatcher']->dispatch(
+            AclEvents::DOWNLOAD_QUOTAS_RESET,
+            new DownloadQuotasResetEvent(
+                $this
+            )
+        );
+
         return $this;
     }
 
@@ -1391,6 +1484,18 @@ class ACL implements cache_cacheableInterface
         unset($stmt);
         $this->delete_data_from_cache(self::CACHE_RIGHTS_BAS);
 
+        $this->app['dispatcher']->dispatch(
+            AclEvents::DOWNLOAD_QUOTAS_ON_BASE_CHANGED,
+            new DownloadQuotasOnBaseChangedEvent(
+                $this,
+                array(
+                    'base_id'=>$base_id,
+                    'remain_dwnld'=>$restes,
+                    'month_dwnld_max'=>$droits
+                )
+            )
+        );
+
         return $this;
     }
 
@@ -1563,6 +1668,16 @@ class ACL implements cache_cacheableInterface
 
         $this->delete_data_from_cache(self::CACHE_RIGHTS_BAS);
 
+        $this->app['dispatcher']->dispatch(
+            AclEvents::MASKS_ON_BASE_CHANGED,
+            new MasksOnBaseChangedEvent(
+                $this,
+                array(
+                    'base_id'=>$base_id
+                )
+            )
+        );
+
         return $this;
     }
 
@@ -1624,6 +1739,16 @@ class ACL implements cache_cacheableInterface
 
         $this->delete_data_from_cache(self::CACHE_LIMITS_BAS);
 
+        $this->app['dispatcher']->dispatch(
+            AclEvents::ACCESS_PERIOD_CHANGED,
+            new AccessPeriodChangedEvent(
+                $this,
+                array(
+                    'base_id'=>$base_id
+                )
+            )
+        );
+
         return $this;
     }
 
diff --git a/lib/classes/collection.php b/lib/classes/collection.php
index d3c7516f10..ddce82cb5f 100644
--- a/lib/classes/collection.php
+++ b/lib/classes/collection.php
@@ -10,10 +10,6 @@
  */
 
 use Alchemy\Phrasea\Application;
-use Alchemy\Phrasea\Core\Event\Collection\CollectionEvent;
-use Alchemy\Phrasea\Core\Event\Collection\CollectionEvents;
-use Alchemy\Phrasea\Core\Event\Collection\CreatedEvent;
-use Alchemy\Phrasea\Core\Event\Collection\NameChangedEvent;
 use Alchemy\Phrasea\Core\Thumbnail\ThumbnailedElement;
 use Alchemy\Phrasea\Core\Thumbnail\ThumbnailManager;
 use Alchemy\Phrasea\Exception\InvalidArgumentException;
@@ -21,6 +17,18 @@ use Alchemy\Phrasea\Model\Entities\User;
 use Doctrine\DBAL\Driver\Connection;
 use Symfony\Component\HttpFoundation\File\File;
 
+use Alchemy\Phrasea\Core\Event\Collection\CollectionEvent;
+use Alchemy\Phrasea\Core\Event\Collection\CollectionEvents;
+use Alchemy\Phrasea\Core\Event\Collection\CreatedEvent;
+use Alchemy\Phrasea\Core\Event\Collection\NameChangedEvent;
+use Alchemy\Phrasea\Core\Event\Collection\EmptiedEvent;
+use Alchemy\Phrasea\Core\Event\Collection\EnabledEvent;
+use Alchemy\Phrasea\Core\Event\Collection\DisabledEvent;
+use Alchemy\Phrasea\Core\Event\Collection\MountedEvent;
+use Alchemy\Phrasea\Core\Event\Collection\UnmountedEvent;
+use Alchemy\Phrasea\Core\Event\Collection\SettingsChangedEvent;
+use Alchemy\Phrasea\Core\Event\Collection\LabelChangedEvent;
+
 class collection implements cache_cacheableInterface, ThumbnailedElement
 {
     protected $base_id;
@@ -157,6 +165,13 @@ class collection implements cache_cacheableInterface, ThumbnailedElement
         $this->databox->delete_data_from_cache(databox::CACHE_COLLECTIONS);
         cache_databox::update($this->app, $this->databox->get_sbas_id(), 'structure');
 
+        $this->app['dispatcher']->dispatch(
+            CollectionEvents::ENABLED,
+            new EnabledEvent(
+                $this
+            )
+        );
+
         return $this;
     }
 
@@ -186,6 +201,13 @@ class collection implements cache_cacheableInterface, ThumbnailedElement
         $this->databox->delete_data_from_cache(databox::CACHE_COLLECTIONS);
         cache_databox::update($this->app, $this->databox->get_sbas_id(), 'structure');
 
+        $this->app['dispatcher']->dispatch(
+            CollectionEvents::DISABLED,
+            new DisabledEvent(
+                $this
+            )
+        );
+
         return $this;
     }
 
@@ -208,6 +230,13 @@ class collection implements cache_cacheableInterface, ThumbnailedElement
             unset($record);
         }
 
+        $this->app['dispatcher']->dispatch(
+            CollectionEvents::EMPTIED,
+            new EmptiedEvent(
+                $this
+            )
+        );
+
         return $this;
     }
 
@@ -273,6 +302,8 @@ class collection implements cache_cacheableInterface, ThumbnailedElement
 
     public function set_name($name)
     {
+        $old_name = $this->get_name();
+
         $name = trim(strip_tags($name));
 
         if ($name === '')
@@ -290,7 +321,13 @@ class collection implements cache_cacheableInterface, ThumbnailedElement
 
         phrasea::reset_baseDatas($this->databox->get_appbox());
 
-        $this->dispatch(CollectionEvents::NAME_CHANGED, new NameChangedEvent($this));
+        $this->dispatch(
+            CollectionEvents::NAME_CHANGED,
+            new NameChangedEvent(
+                $this,
+                array("name_before"=>$old_name)
+            )
+        );
 
         return $this;
     }
@@ -301,6 +338,8 @@ class collection implements cache_cacheableInterface, ThumbnailedElement
             throw new InvalidArgumentException(sprintf('Code %s is not defined', $code));
         }
 
+        $old_label = $this->labels[$code];
+
         $sql = "UPDATE coll SET label_$code = :label
             WHERE coll_id = :coll_id";
         $stmt = $this->get_connection()->prepare($sql);
@@ -313,6 +352,14 @@ class collection implements cache_cacheableInterface, ThumbnailedElement
 
         phrasea::reset_baseDatas($this->databox->get_appbox());
 
+        $this->app['dispatcher']->dispatch(
+            CollectionEvents::LABEL_CHANGED,
+            new LabelChangedEvent(
+                $this,
+                array("lng"=>$code, "label_before"=>$old_label)
+            )
+        );
+
         return $this;
     }
 
@@ -528,6 +575,8 @@ class collection implements cache_cacheableInterface, ThumbnailedElement
 
     public function set_prefs(DOMDocument $dom)
     {
+        $old_prefs = $this->get_prefs();
+
         $this->prefs = $dom->saveXML();
 
         $sql = "UPDATE coll SET prefs = :prefs WHERE coll_id = :coll_id";
@@ -537,6 +586,16 @@ class collection implements cache_cacheableInterface, ThumbnailedElement
 
         $this->delete_data_from_cache();
 
+        $this->app['dispatcher']->dispatch(
+            CollectionEvents::SETTINGS_CHANGED,
+            new SettingsChangedEvent(
+                $this,
+                array(
+                    'settings_before'=>$old_prefs
+                )
+            )
+        );
+
         return $this->prefs;
     }
 
@@ -557,6 +616,9 @@ class collection implements cache_cacheableInterface, ThumbnailedElement
 
     public function unmount_collection(Application $app)
     {
+        $old_coll_id = $this->get_coll_id();
+        $old_name = $this->get_name();
+
         $params = [':base_id' => $this->get_base_id()];
 
         $query = $app['phraseanet.user-query'];
@@ -589,6 +651,17 @@ class collection implements cache_cacheableInterface, ThumbnailedElement
 
         phrasea::reset_baseDatas($app['phraseanet.appbox']);
 
+        $app['dispatcher']->dispatch(
+            CollectionEvents::UNMOUNTED,
+            new UnmountedEvent(
+                null,                   // the coll is not available anymore
+                array(
+                    'coll_id'=>$old_coll_id,
+                    'coll_name'=>$old_name
+                )
+            )
+        );
+
         return $this;
     }
 
@@ -654,7 +727,12 @@ class collection implements cache_cacheableInterface, ThumbnailedElement
             $collection->set_admin($new_bas, $user);
         }
 
-        $app['dispatcher']->dispatch(CollectionEvents::CREATED, new CreatedEvent($collection));
+        $app['dispatcher']->dispatch(
+            CollectionEvents::CREATED,
+            new CreatedEvent(
+                $collection
+            )
+        );
 
         return $collection;
     }
@@ -710,8 +788,15 @@ class collection implements cache_cacheableInterface, ThumbnailedElement
 
         phrasea::reset_baseDatas($databox->get_appbox());
 
-        $coll = self::get_from_base_id($app, $new_bas);
-        $coll->set_admin($new_bas, $user);
+        $collection = self::get_from_base_id($app, $new_bas);
+        $collection->set_admin($new_bas, $user);
+
+        $app['dispatcher']->dispatch(
+            CollectionEvents::MOUNTED,
+            new MountedEvent(
+                $collection
+            )
+        );
 
         return $new_bas;
     }
diff --git a/lib/classes/databox.php b/lib/classes/databox.php
index 3cb258dc23..40d9fda99e 100644
--- a/lib/classes/databox.php
+++ b/lib/classes/databox.php
@@ -26,6 +26,17 @@ use Symfony\Component\HttpFoundation\File\File;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 use Symfony\Component\Translation\TranslatorInterface;
 
+use Alchemy\Phrasea\Core\Event\Databox\DataboxEvents;
+use Alchemy\Phrasea\Core\Event\Databox\CreatedEvent;
+use Alchemy\Phrasea\Core\Event\Databox\DeletedEvent;
+use Alchemy\Phrasea\Core\Event\Databox\MountedEvent;
+use Alchemy\Phrasea\Core\Event\Databox\ReindexAskedEvent;
+use Alchemy\Phrasea\Core\Event\Databox\StructureChangedEvent;
+use Alchemy\Phrasea\Core\Event\Databox\ThesaurusChangedEvent;
+use Alchemy\Phrasea\Core\Event\Databox\TouChangedEvent;
+use Alchemy\Phrasea\Core\Event\Databox\UnmountedEvent;
+
+
 class databox extends base implements ThumbnailedElement
 {
 
@@ -401,6 +412,8 @@ class databox extends base implements ThumbnailedElement
 
     public function unmount_databox()
     {
+        $old_dbname = $this->get_dbname();
+
         foreach ($this->get_collections() as $collection) {
             $collection->unmount_collection($this->app);
         }
@@ -457,6 +470,16 @@ class databox extends base implements ThumbnailedElement
 
         $this->get_appbox()->delete_data_from_cache(appbox::CACHE_LIST_BASES);
 
+        $this->app['dispatcher']->dispatch(
+            DataboxEvents::UNMOUNTED,
+            new UnmountedEvent(
+                null,
+                array(
+                    'dbname'=>$old_dbname
+                )
+            )
+        );
+
         return;
     }
 
@@ -554,6 +577,13 @@ class databox extends base implements ThumbnailedElement
             $data_template, $app['conf']->get(['main', 'storage', 'subdefs'])
         );
 
+        $app['dispatcher']->dispatch(
+            DataboxEvents::CREATED,
+            new CreatedEvent(
+                $databox
+            )
+        );
+
         return $databox;
     }
 
@@ -613,6 +643,13 @@ class databox extends base implements ThumbnailedElement
 
         cache_databox::update($app, $databox->get_sbas_id(), 'structure');
 
+        $app['dispatcher']->dispatch(
+            DataboxEvents::MOUNTED,
+            new MountedEvent(
+                $databox
+            )
+        );
+
         return $databox;
     }
 
@@ -682,6 +719,8 @@ class databox extends base implements ThumbnailedElement
 
     public function delete()
     {
+        $old_dbname = $this->get_dbname();
+
         $sql = 'DROP DATABASE `' . $this->get_dbname() . '`';
         $stmt = $this->get_connection()->prepare($sql);
         $stmt->execute();
@@ -689,6 +728,16 @@ class databox extends base implements ThumbnailedElement
 
         $this->get_appbox()->delete_data_from_cache(appbox::CACHE_LIST_BASES);
 
+        $this->app['dispatcher']->dispatch(
+            DataboxEvents::DELETED,
+            new DeletedEvent(
+                null,
+                array(
+                    'dbname'=>$old_dbname
+                )
+            )
+        );
+
         return;
     }
 
@@ -801,6 +850,7 @@ class databox extends base implements ThumbnailedElement
      */
     public function saveStructure(DOMDocument $dom_struct)
     {
+        $old_structure = $this->get_dom_structure();
 
         $dom_struct->documentElement
             ->setAttribute("modification_date", $now = date("YmdHis"));
@@ -828,6 +878,16 @@ class databox extends base implements ThumbnailedElement
 
         cache_databox::update($this->app, $this->id, 'structure');
 
+        $this->app['dispatcher']->dispatch(
+            DataboxEvents::STRUCTURE_CHANGED,
+            new StructureChangedEvent(
+                $this,
+                array(
+                    'dom_before'=>$old_structure
+                )
+            )
+        );
+
         return $this;
     }
 
@@ -854,6 +914,7 @@ class databox extends base implements ThumbnailedElement
 
     public function saveThesaurus(DOMDocument $dom_thesaurus)
     {
+        $old_thesaurus = $this->get_dom_thesaurus();
 
         $dom_thesaurus->documentElement->setAttribute("modification_date", $now = date("YmdHis"));
         $this->thesaurus = $dom_thesaurus->saveXML();
@@ -864,6 +925,16 @@ class databox extends base implements ThumbnailedElement
         $stmt->closeCursor();
         $this->delete_data_from_cache(databox::CACHE_THESAURUS);
 
+        $this->app['dispatcher']->dispatch(
+            DataboxEvents::THESAURUS_CHANGED,
+            new ThesaurusChangedEvent(
+                $this,
+                array(
+                    'dom_before'=>$old_thesaurus,
+                )
+            )
+        );
+
         return $this;
     }
 
@@ -1037,6 +1108,13 @@ class databox extends base implements ThumbnailedElement
         $stmt->bindValue(':token', PhraseaTokens::TO_INDEX, PDO::PARAM_INT);
         $stmt->execute();
 
+        $this->app['dispatcher']->dispatch(
+            DataboxEvents::REINDEX_ASKED,
+            new ReindexAskedEvent(
+                $this
+            )
+        );
+
         return $this;
     }
 
@@ -1389,6 +1467,8 @@ class databox extends base implements ThumbnailedElement
 
     public function update_cgus($locale, $terms, $reset_date)
     {
+        $old_tou = $this->get_cgus();
+
         $terms = str_replace(["\r\n", "\n", "\r"], ['', '', ''], strip_tags($terms, '<p><strong><a><ul><ol><li><h1><h2><h3><h4><h5><h6>'));
         $sql = 'UPDATE pref SET value = :terms ';
 
@@ -1403,6 +1483,16 @@ class databox extends base implements ThumbnailedElement
         $this->cgus = null;
         $this->delete_data_from_cache(self::CACHE_CGUS);
 
+        $this->app['dispatcher']->dispatch(
+            DataboxEvents::TOU_CHANGED,
+            new TouChangedEvent(
+                $this,
+                array(
+                    'tou_before'=>$old_tou,
+                )
+            )
+        );
+
         return $this;
     }
 
@@ -1442,6 +1532,7 @@ class databox extends base implements ThumbnailedElement
                 break;
             case self::CACHE_THESAURUS:
                 $this->thesaurus = null;
+                unset(self::$_dom_thesaurus[$this->id]);
                 break;
             default:
                 break;
diff --git a/tests/Alchemy/Tests/Phrasea/Controller/Api/ApiTestCase.php b/tests/Alchemy/Tests/Phrasea/Controller/Api/ApiTestCase.php
index cfecfd4e49..5f498c40ed 100644
--- a/tests/Alchemy/Tests/Phrasea/Controller/Api/ApiTestCase.php
+++ b/tests/Alchemy/Tests/Phrasea/Controller/Api/ApiTestCase.php
@@ -839,7 +839,14 @@ abstract class ApiTestCase extends \PhraseanetWebTestCase
     public function testSearchRoute()
     {
         self::$DI['app']['manipulator.user'] = $this->getMockBuilder('Alchemy\Phrasea\Model\Manipulator\UserManipulator')
-            ->setConstructorArgs([self::$DI['app']['model.user-manager'], self::$DI['app']['auth.password-encoder'], self::$DI['app']['geonames.connector'], self::$DI['app']['repo.users'], self::$DI['app']['random.low']])
+            ->setConstructorArgs([
+                self::$DI['app']['model.user-manager'],
+                self::$DI['app']['auth.password-encoder'],
+                self::$DI['app']['geonames.connector'],
+                self::$DI['app']['repo.users'],
+                self::$DI['app']['random.low'],
+                self::$DI['app']['dispatcher'],
+            ])
             ->setMethods(['logQuery'])
             ->getMock();
 
diff --git a/tests/Alchemy/Tests/Phrasea/Controller/Prod/QueryTest.php b/tests/Alchemy/Tests/Phrasea/Controller/Prod/QueryTest.php
index e11b2022d1..a89a2a2877 100644
--- a/tests/Alchemy/Tests/Phrasea/Controller/Prod/QueryTest.php
+++ b/tests/Alchemy/Tests/Phrasea/Controller/Prod/QueryTest.php
@@ -21,16 +21,26 @@ class QueryTest extends \PhraseanetAuthenticatedWebTestCase
     {
         $route = '/prod/query/';
 
-        self::$DI['app']['manipulator.user'] = $this->getMockBuilder('Alchemy\Phrasea\Model\Manipulator\UserManipulator')
-            ->setConstructorArgs([self::$DI['app']['model.user-manager'], self::$DI['app']['auth.password-encoder'], self::$DI['app']['geonames.connector'], self::$DI['app']['repo.users'], self::$DI['app']['random.low']])
+        $userManipulator = $this->getMockBuilder('Alchemy\Phrasea\Model\Manipulator\UserManipulator')
+            ->setConstructorArgs([
+                self::$DI['app']['model.user-manager'],
+                self::$DI['app']['auth.password-encoder'],
+                self::$DI['app']['geonames.connector'],
+                self::$DI['app']['repo.users'],
+                self::$DI['app']['random.low'],
+                self::$DI['app']['dispatcher'],
+            ])
             ->setMethods(['logQuery'])
             ->getMock();
 
-        self::$DI['app']['manipulator.user']->expects($this->once())->method('logQuery');
+        self::$DI['app']['manipulator.user'] = $userManipulator;
 
-        self::$DI['client']->request('POST', $route);
+        $userManipulator->expects($this->once())->method('logQuery');
 
-        $response = self::$DI['client']->getResponse();
+        $client = $this->getClient();
+        $client->request('POST', $route);
+
+        $response = $client->getResponse();
         $this->assertEquals('application/json', $response->headers->get('Content-type'));
         $data = json_decode($response->getContent(), true);
         $this->assertInternalType('array', $data);
@@ -48,12 +58,13 @@ class QueryTest extends \PhraseanetAuthenticatedWebTestCase
         $options->onCollections($app->getAclForUser($app->getAuthenticatedUser())->get_granted_base());
         $serializedOptions = $options->serialize();
 
-        self::$DI['client']->request('POST', '/prod/query/answer-train/', [
+        $client = $this->getClient();
+        $client->request('POST', '/prod/query/answer-train/', [
             'options_serial' => $serializedOptions,
             'pos'            => 0,
             'query'          => ''
             ]);
-        $response = self::$DI['client']->getResponse();
+        $response = $client->getResponse();
         $this->assertTrue($response->isOk());
         $datas = (array) json_decode($response->getContent());
         $this->assertArrayHasKey('current', $datas);
diff --git a/tests/Alchemy/Tests/Phrasea/Model/Manipulator/UserManipulatorTest.php b/tests/Alchemy/Tests/Phrasea/Model/Manipulator/UserManipulatorTest.php
index f01d9b48e4..b7b7a93260 100644
--- a/tests/Alchemy/Tests/Phrasea/Model/Manipulator/UserManipulatorTest.php
+++ b/tests/Alchemy/Tests/Phrasea/Model/Manipulator/UserManipulatorTest.php
@@ -84,7 +84,7 @@ class UserManipulatorTest extends \PhraseanetTestCase
             ->getMock();
 
         $user = self::$DI['app']['manipulator.user']->createUser('login', 'password');
-        $manipulator = new UserManipulator($manager, $passwordInterface, $geonamesConnector, self::$DI['app']['repo.tasks'], self::$DI['app']['random.low']);
+        $manipulator = new UserManipulator($manager, $passwordInterface, $geonamesConnector, self::$DI['app']['repo.tasks'], self::$DI['app']['random.low'], self::$DI['app']['dispatcher']);
 
         $manipulator->setGeonameId($user, 4);
         $this->assertEquals(4, $user->getGeonameId());
@@ -150,7 +150,7 @@ class UserManipulatorTest extends \PhraseanetTestCase
         $passwordInterface = $this->getMockBuilder('Symfony\Component\Security\Core\Encoder\PasswordEncoderInterface')
             ->getMock();
         $user = self::$DI['app']['manipulator.user']->createUser('login', 'password');
-        $manipulator = new UserManipulator($manager, $passwordInterface, $geonamesConnector, self::$DI['app']['repo.tasks'], self::$DI['app']['random.low']);
+        $manipulator = new UserManipulator($manager, $passwordInterface, $geonamesConnector, self::$DI['app']['repo.tasks'], self::$DI['app']['random.low'], self::$DI['app']['dispatcher']);
         $this->setExpectedException(
             'Alchemy\Phrasea\Exception\InvalidArgumentException',
             'Invalid geonameid -1.'
diff --git a/tests/Alchemy/Tests/Phrasea/TaskManager/Editor/FtpEditorTest.php b/tests/Alchemy/Tests/Phrasea/TaskManager/Editor/FtpEditorTest.php
index 5dfd67f460..c7a6297dac 100644
--- a/tests/Alchemy/Tests/Phrasea/TaskManager/Editor/FtpEditorTest.php
+++ b/tests/Alchemy/Tests/Phrasea/TaskManager/Editor/FtpEditorTest.php
@@ -24,12 +24,12 @@ class FtpEditorTest extends EditorTestCase
 <tasksettings>
   <proxy>1234</proxy>
   <proxyport>5678</proxyport>
-  <proxyuser>joe</proxyuser>
-  <proxypwd>aze</proxypwd>
+  <proxyuser>user_of_proxy</proxyuser>
+  <proxypwd>proxy_pwd</proxypwd>
 </tasksettings>
 ', '<?xml version="1.0" encoding="UTF-8"?>
 <tasksettings><proxy>12</proxy><proxyport>8</proxyport>
-</tasksettings>', ['proxy' => 1234, 'proxyport' => 5678, 'proxyuser' => 'joe', 'proxypwd' => 'aze']
+</tasksettings>', ['proxy' => 1234, 'proxyport' => 5678, 'proxyuser' => 'user_of_proxy', 'proxypwd' => 'proxy_pwd']
             ],
             ['<?xml version="1.0" encoding="UTF-8"?>
 <tasksettings>