# Create your views here.
from django.template import RequestContext
from django.shortcuts import render_to_response
from django.contrib.auth.decorators import login_required
from django.http import HttpResponseRedirect
from unfold.page import Page
from manifold.core.query import Query, AnalyzedQuery
from manifold.manifoldresult import ManifoldException
from manifold.metadata import MetaData as Metadata
from myslice.viewutils import quickfilter_criterias, topmenu_items, the_user
from plugins.raw.raw import Raw
from plugins.stack.stack import Stack
from plugins.tabs.tabs import Tabs
from plugins.lists.slicelist import SliceList
from plugins.hazelnut.hazelnut import Hazelnut
from plugins.resources_selected import ResourcesSelected
from plugins.googlemap.googlemap import GoogleMap
from plugins.senslabmap.senslabmap import SensLabMap
from plugins.querycode.querycode import QueryCode
from plugins.quickfilter.quickfilter import QuickFilter
from plugins.messages.messages import Messages
from plugins.updater.updater import Updater
tmp_default_slice='ple.inria.myslicedemo'
debug = True
@login_required
def slice_view (request, slicename=tmp_default_slice):
# xxx Thierry - ugly hack
# fetching metadata here might fail - e.g. with an expired session..
# let's catch this early on and log out our user if needed
# it should of course be handled in a more generic way
try:
return _slice_view(request,slicename)
except ManifoldException, manifold_result:
# xxx needs a means to display this message to user...
from django.contrib.auth import logout
logout(request)
return HttpResponseRedirect ('/')
except Exception, e:
# xxx we need to sugarcoat this error message in some error template...
print "Unexpected exception",e
import traceback
traceback.print_exc()
# return ...
def _slice_view (request, slicename):
page = Page(request)
page.expose_js_metadata()
# TODO The query to run is embedded in the URL
main_query = Query.get('slice').filter_by('slice_hrn', '=', slicename)
query_resource_all = Query.get('resource').select('resource_hrn', 'hostname', 'type', 'network_hrn', 'latitude', 'longitude')
# Get default fields from metadata unless specified
if not main_query.fields:
metadata = page.get_metadata()
md_fields = metadata.details_by_object('slice')
if debug:
print "METADATA", md_fields
# TODO Get default fields
main_query.select(
'slice_hrn',
'resource.resource_hrn', 'resource.hostname', 'resource.type', 'resource.network_hrn',
#'lease.urn',
'user.user_hrn',
# 'application.measurement_point.counter'
)
aq = AnalyzedQuery(main_query, metadata=metadata)
page.enqueue_query(main_query, analyzed_query=aq)
page.enqueue_query(query_resource_all)
# Prepare the display according to all metadata
# (some parts will be pending, others can be triggered by users).
#
# For example slice measurements will not be requested by default...
# Create the base layout (Stack)...
main_plugin = Stack (
page=page,
title="Slice !!view for %s"%slicename,
sons=[],
)
# ... responsible for the slice properties...
main_plugin.insert (
Raw (page=page,togglable=False, toggled=True,html="
Slice page for %s
"%slicename)
)
main_plugin.insert(
Raw (page=page,togglable=False, toggled=True,html='Description: TODO')
)
sq_plugin = Tabs (
page=page,
title="Slice view for %s"%slicename,
togglable=False,
sons=[],
)
# ... and for the relations
# XXX Let's hardcode resources for now
sq_resource = aq.subquery('resource')
sq_user = aq.subquery('user')
sq_lease = aq.subquery('lease')
sq_measurement = aq.subquery('measurement')
############################################################################
# RESOURCES
#
# A stack inserted in the subquery tab that will hold all operations
# related to resources
#
stack_resources = Stack(
page = page,
title = 'Resources',
sons=[],
)
# --------------------------------------------------------------------------
# Different displays = DataTables + GoogleMaps
#
tab_resource_plugins = Tabs(
page = page,
sons = []
)
tab_resource_plugins.insert(Hazelnut(
page = page,
title = 'List',
domid = 'checkboxes',
# this is the query at the core of the slice list
query = sq_resource,
query_all_uuid = query_resource_all.query_uuid,
checkboxes = True,
datatables_options = {
# for now we turn off sorting on the checkboxes columns this way
# this of course should be automatic in hazelnut
'aoColumns' : [None, None, None, None, {'bSortable': False}],
'iDisplayLength' : 25,
'bLengthChange' : True,
},
))
tab_resource_plugins.insert(GoogleMap(
page = page,
title = 'Geographic view',
domid = 'gmap',
# tab's sons preferably turn this off
togglable = False,
query = sq_resource,
query_all_uuid = query_resource_all.query_uuid,
checkboxes = True,
# center on Paris
latitude = 49.,
longitude = 2.2,
zoom = 3,
))
stack_resources.insert(tab_resource_plugins)
# --------------------------------------------------------------------------
# ResourcesSelected
#
stack_resources.insert(ResourcesSelected(
page = page,
title = 'Pending operations',
resource_query_uuid = sq_resource,
lease_query_uuid = sq_lease,
togglable = True,
))
sq_plugin.insert(stack_resources)
############################################################################
# USERS
#
tab_users = Tabs(
page = page,
title = 'Users',
domid = 'thetabs2',
# activeid = 'checkboxes',
active_domid = 'checkboxes2',
)
sq_plugin.insert(tab_users)
tab_users.insert(Hazelnut(
page = page,
title = 'List',
domid = 'checkboxes2',
# tab's sons preferably turn this off
togglable = False,
# this is the query at the core of the slice list
query = sq_user,
checkboxes = True,
datatables_options = {
# for now we turn off sorting on the checkboxes columns this way
# this of course should be automatic in hazelnut
'aoColumns' : [None, None, None, None, {'bSortable': False}],
'iDisplayLength' : 25,
'bLengthChange' : True,
},
))
tab_measurements = Tabs (
page = page,
title = 'Measurements',
domid = 'thetabs3',
# activeid = 'checkboxes',
active_domid = 'checkboxes3',
)
sq_plugin.insert(tab_measurements)
tab_measurements.insert(Hazelnut(
page = page,
title = 'List',
domid = 'checkboxes3',
# tab's sons preferably turn this off
togglable = False,
# this is the query at the core of the slice list
query = sq_measurement,
checkboxes = True,
datatables_options = {
# for now we turn off sorting on the checkboxes columns this way
# this of course should be automatic in hazelnut
'aoColumns' : [None, None, None, None, {'bSortable': False}],
'iDisplayLength' : 25,
'bLengthChange' : True,
},
))
main_plugin.insert(sq_plugin)
main_plugin.insert(Messages(
page = page,
title = "Runtime messages for slice %s"%slicename,
domid = "msgs-pre",
levels = "ALL",
))
main_plugin.insert(Updater(
page = page,
title = "wont show up as non togglable by default",
query = main_query,
label = "Update slice",
))
# END OF JORDAN's CODE
#old# main_plugin = Stack (
#old# page=page,
#old# title="Slice view for %s"%slicename,
#old# domid='thestack',
#old# togglable=False,
#old# sons=[
#old# Raw (page=page,togglable=False, toggled=True,html="
Slice page for %s
"%slicename),
#old# Messages (
#old# page=page,
#old# title="Runtime messages for slice %s"%slicename,
#old# domid="msgs-pre",
#old# levels="ALL",
#old# ),
#old# Tabs (
#old# page=page,
#old# title="2 tabs : w/ and w/o checkboxes",
#old# domid='thetabs',
#old# # active_domid='checkboxes',
#old# active_domid='gmap',
#old# sons=[
#old# Hazelnut (
#old# page=page,
#old# title='a sample and simple hazelnut',
#old# domid='simple',
#old# # tab's sons preferably turn this off
#old# togglable=False,
#old# # this is the query at the core of the slice list
#old# query=main_query,
#old# ),
#old# Hazelnut (
#old# page=page,
#old# title='with checkboxes',
#old# domid='checkboxes',
#old# # tab's sons preferably turn this off
#old# togglable=False,
#old# # this is the query at the core of the slice list
#old# query=main_query,
#old# checkboxes=True,
#old# datatables_options = {
#old# # for now we turn off sorting on the checkboxes columns this way
#old# # this of course should be automatic in hazelnut
#old# 'aoColumns' : [ None, None, None, None, {'bSortable': False} ],
#old# 'iDisplayLength' : 25,
#old# 'bLengthChange' : True,
#old# },
#old# ),
#old# GoogleMap (
#old# page=page,
#old# title='geographic view',
#old# domid='gmap',
#old# # tab's sons preferably turn this off
#old# togglable=False,
#old# query=main_query,
#old# # center on Paris
#old# latitude=49.,
#old# longitude=2.2,
#old# zoom=3,
#old# ),
#old# Raw (
#old## SensLabMap (
#old# page=page,
#old# title='3D view (disabled)',
#old# domid='smap',
#old## # tab's sons preferably turn this off
#old# togglable=False,
#old## query=main_query,
#old# html="""
#old#Thierry: I am commeting off the use of which,
#old# although rudimentarily ported to the django framework,
#old#causes a weird behaviour especially wrt scrolling.
#old#On my Mac any longer
#old#if I keep this active, so for now it's disabled
#old#
""",
#old# ),
#old# ]),
#old# Hazelnut (
#old# page=page,
#old# title='a hazelnut not in tabs',
#old# domid='standalone',
#old# # this is the query at the core of the slice list
#old# query=main_query,
#old# columns=['hrn','hostname'],
#old# ),
#old# # you don't *have to* set a domid, but if you plan on using toggled=persistent then it's required
#old# # because domid is the key for storing toggle status in the browser
#old# QueryCode (
#old# page=page,
#old# title='xmlrpc code (toggled=False)',
#old# query=main_query,
#old## domid='xmlrpc',
#old# toggled=False,
#old# ),
#old# QuickFilter (
#old# page=page,
#old# title="QuickFilter - requires metadata (toggled=False)",
#old# criterias=quickfilter_criterias,
#old# domid='filters',
#old# toggled=False,
#old# ),
#old# Messages (
#old# page=page,
#old# title="Runtime messages (again)",
#old# domid="msgs-post",
#old# )
#old# ])
# variables that will get passed to the view-unfold1.html template
template_env = {}
# define 'unfold1_main' to the template engine - the main contents
template_env [ 'unfold1_main' ] = main_plugin.render(request)
# more general variables expected in the template
template_env [ 'title' ] = 'Test view that combines various plugins'
# the menu items on the top
template_env [ 'topmenu_items' ] = topmenu_items('Slice', request)
# so we can sho who is logged
template_env [ 'username' ] = the_user (request)
# don't forget to run the requests
page.expose_queries ()
# xxx create another plugin with the same query and a different layout (with_datatables)
# show that it worls as expected, one single api call to backend and 2 refreshed views
# the prelude object in page contains a summary of the requirements() for all plugins
# define {js,css}_{files,chunks}
prelude_env = page.prelude_env()
template_env.update(prelude_env)
result=render_to_response ('view-unfold1.html',template_env,
context_instance=RequestContext(request))
return result