spatial-d4science/ckanext/spatial/nongeos_plugin.py

73 lines
2.0 KiB
Python

import os
from logging import getLogger
from pylons.i18n import _
from genshi.input import HTML
from genshi.filters import Transformer
import ckan.lib.helpers as h
from ckan.lib.helpers import json
from ckan.plugins import implements, SingletonPlugin
from ckan.plugins import IRoutes, IConfigurer
from ckan.plugins import IGenshiStreamFilter
import html
log = getLogger(__name__)
class WMSPreview(SingletonPlugin):
implements(IGenshiStreamFilter)
implements(IRoutes, inherit=True)
implements(IConfigurer, inherit=True)
def filter(self, stream):
from pylons import request, tmpl_context as c
routes = request.environ.get('pylons.routes_dict')
if routes.get('controller') == 'package' and \
routes.get('action') == 'read' and c.pkg.id:
for res in c.pkg.resources:
if res.format == "WMS":
data = {'name': c.pkg.name}
stream = stream | Transformer('body//div[@class="resources subsection"]')\
.append(HTML(html.MAP_VIEW % data))
break
return stream
def before_map(self, map):
map.redirect('/package/{id}/map','/dataset/{id}/map')
map.connect('map_view', '/dataset/:id/map',
controller='ckanext.spatial.controllers.view:ViewController',
action='wms_preview')
map.connect('proxy', '/proxy',
controller='ckanext.spatial.controllers.view:ViewController',
action='proxy')
return map
def update_config(self, config):
here = os.path.dirname(__file__)
template_dir = os.path.join(here, 'templates')
public_dir = os.path.join(here, 'public')
if config.get('extra_template_paths'):
config['extra_template_paths'] += ','+template_dir
else:
config['extra_template_paths'] = template_dir
if config.get('extra_public_paths'):
config['extra_public_paths'] += ','+public_dir
else:
config['extra_public_paths'] = public_dir