--- a/src/pyams_scheduler/zmi/scheduler.py	Thu Oct 08 11:12:35 2015 +0200
+++ b/src/pyams_scheduler/zmi/scheduler.py	Thu Oct 08 11:31:03 2015 +0200
@@ -26,6 +26,7 @@
 from pyams_skin.interfaces import IInnerPage, IPageHeader
 from pyams_skin.interfaces.container import ITableElementEditor
 from pyams_skin.layer import IPyAMSLayer
+from pyams_utils.interfaces import VIEW_SYSTEM_PERMISSION, MANAGE_SYSTEM_PERMISSION
 from pyams_zmi.interfaces.menu import IControlPanelMenu
 from pyams_zmi.layer import IAdminLayer
 from z3c.table.interfaces import IColumn, IValues
@@ -72,7 +73,7 @@
 
 
 @viewlet_config(name='scheduler.menu', context=ISite, layer=IAdminLayer, manager=IControlPanelMenu,
-                permission='system.view', weight=10)
+                permission=VIEW_SYSTEM_PERMISSION, weight=10)
 @viewletmanager_config(name='scheduler.menu', context=ISite, layer=IAdminLayer)
 @implementer(ISchedulerMenu)
 class SchedulerMenuItem(MenuItem):
@@ -120,7 +121,7 @@
     target = None
     modal_target = True
 
-    permission = 'system.view'
+    permission = VIEW_SYSTEM_PERMISSION
     weight = 1
 
 
@@ -134,7 +135,7 @@
     target = None
     modal_target = True
 
-    permission = 'system.view'
+    permission = VIEW_SYSTEM_PERMISSION
     weight = 2
 
 
@@ -157,7 +158,7 @@
     target = None
     modal_target = True
 
-    permission = 'system.manage'
+    permission = MANAGE_SYSTEM_PERMISSION
     weight = 20
 
 
@@ -171,7 +172,7 @@
     target = None
     modal_target = True
 
-    permission = 'system.view'
+    permission = VIEW_SYSTEM_PERMISSION
     weight = 30
 
 
@@ -180,11 +181,11 @@
     """Scheduler tasks trash column"""
 
     icon_hint = _("Delete task")
-    permission = 'system.manage'
+    permission = MANAGE_SYSTEM_PERMISSION
 
 
 @view_config(name='delete-task.json', context=IScheduler, request_type=IPyAMSLayer,
-             permission='system.manage', renderer='json', xhr=True)
+             permission=MANAGE_SYSTEM_PERMISSION, renderer='json', xhr=True)
 def delete_scheduler_task(request):
     """Delete task from scheduler utility"""
     translate = request.localizer.translate
@@ -213,7 +214,7 @@
         return ()
 
 
-@pagelet_config(name='scheduler-tasks.html', context=ISite, layer=IPyAMSLayer, permission='system.view')
+@pagelet_config(name='scheduler-tasks.html', context=ISite, layer=IPyAMSLayer, permission=VIEW_SYSTEM_PERMISSION)
 @implementer(IInnerPage)
 class SchedulerTasksView(AdminView, ContainerView):
     """Scheduler tasks view"""
@@ -234,7 +235,7 @@
 
 
 @viewlet_config(name='scheduler.properties.menu', context=ISite, layer=IAdminLayer,
-                manager=ISchedulerMenu, permission='system.view', weight=1)
+                manager=ISchedulerMenu, permission=VIEW_SYSTEM_PERMISSION, weight=1)
 class SchedulerPropertiesMenuItem(MenuItem):
     """Scheduler properties menu"""
 
@@ -247,7 +248,7 @@
         return resource_url(manager, self.request, self.url)
 
 
-@pagelet_config(name='properties.html', context=IScheduler, layer=IPyAMSLayer, permission='system.view')
+@pagelet_config(name='properties.html', context=IScheduler, layer=IPyAMSLayer, permission=VIEW_SYSTEM_PERMISSION)
 class SchedulerPropertiesEditForm(AdminDialogEditForm):
     """Scheduler properties edit form"""
 
@@ -259,17 +260,17 @@
 
     fields = field.Fields(IScheduler).omit('__parent__', '__name__', 'tasks', 'history')
     ajax_handler = 'properties.json'
-    edit_permission = 'system.manage'
+    edit_permission = MANAGE_SYSTEM_PERMISSION
 
 
 @view_config(name='properties.json', context=IScheduler, request_type=IPyAMSLayer,
-             permission='system.manage', renderer='json', xhr=True)
+             permission=MANAGE_SYSTEM_PERMISSION, renderer='json', xhr=True)
 class SchedulerPropertiesAJAXEditForm(AJAXEditForm, SchedulerPropertiesEditForm):
     """Scheduler properties edit form, AJAX view"""
 
 
 @viewlet_config(name='scheduler.jobs.menu', context=ISite, layer=IAdminLayer,
-                manager=ISchedulerMenu, permission='system.view', weight=5)
+                manager=ISchedulerMenu, permission=VIEW_SYSTEM_PERMISSION, weight=5)
 class SchedulerJobsMenuItem(MenuItem):
     """Scheduler jobs menu"""
 
@@ -282,7 +283,7 @@
         return resource_url(manager, self.request, self.url)
 
 
-@pagelet_config(name='jobs.html', context=IScheduler, layer=IPyAMSLayer, permission='system.view')
+@pagelet_config(name='jobs.html', context=IScheduler, layer=IPyAMSLayer, permission=VIEW_SYSTEM_PERMISSION)
 class SchedulerJobsDisplayForm(AdminDialogDisplayForm):
     """Scheduler jobs display form"""