stop using meta attribute from yams schema. Use instead sets defining meta relations and another defining schema types. Refactor various schema view based on this
"""Specific views for entities implementing IGeocodable
:organization: Logilab
:copyright: 2001-2009 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2.
:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses
"""
__docformat__ = "restructuredtext en"
import simplejson
from cubicweb.interfaces import IGeocodable
from cubicweb.view import EntityView
from cubicweb.selectors import implements
class GeocodingJsonView(EntityView):
id = 'geocoding-json'
binary = True
templatable = False
content_type = 'application/json'
__select__ = implements(IGeocodable)
def call(self):
zoomlevel = self.req.form.pop('zoomlevel', 8)
extraparams = self.req.form.copy()
extraparams.pop('vid', None)
extraparams.pop('rql', None)
markers = [self.build_marker_data(rowidx, extraparams)
for rowidx in xrange(len(self.rset))]
center = {
'latitude': sum(marker['latitude'] for marker in markers) / len(markers),
'longitude': sum(marker['longitude'] for marker in markers) / len(markers),
}
geodata = {
'zoomlevel': int(zoomlevel),
'center': center,
'markers': markers,
}
self.w(simplejson.dumps(geodata))
def build_marker_data(self, row, extraparams):
entity = self.entity(row, 0)
return {'latitude': entity.latitude, 'longitude': entity.longitude,
'title': entity.dc_long_title(),
#icon defines : (icon._url, icon.size, icon.iconAncho', icon.shadow)
'icon': entity.marker_icon() or (self.req.external_resource('GMARKER_ICON'), (20, 34), (4, 34), None),
'bubbleUrl': entity.absolute_url(vid='gmap-bubble', __notemplate=1, **extraparams),
}
class GoogleMapBubbleView(EntityView):
id = 'gmap-bubble'
__select__ = implements(IGeocodable)
def cell_call(self, row, col):
entity = self.entity(row, col)
self.w(u'<div>%s</div>' % entity.view('oneline'))
# FIXME: we should call something like address-view if available
class GoogleMapsView(EntityView):
id = 'gmap-view'
__select__ = implements(IGeocodable)
need_navigation = False
def call(self, gmap_key, width=400, height=400, uselabel=True, urlparams=None):
self.req.add_js('http://maps.google.com/maps?file=api&v=2&key=%s' % gmap_key,
localfile=False)
self.req.add_js( ('cubicweb.widgets.js', 'cubicweb.gmap.js', 'gmap.utility.labeledmarker.js') )
rql = self.rset.printable_rql()
if urlparams is None:
loadurl = self.build_url(rql=rql, vid='geocoding-json')
else:
loadurl = self.build_url(rql=rql, vid='geocoding-json', **urlparams)
self.w(u'<div style="width: %spx; height: %spx;" class="widget gmap" '
u'cubicweb:wdgtype="GMapWidget" cubicweb:loadtype="auto" '
u'cubicweb:loadurl="%s" cubicweb:uselabel="%s"> </div>' % (width, height, loadurl, uselabel))
class GoogeMapsLegend(EntityView):
id = 'gmap-legend'
def call(self):
self.w(u'<ol>')
for rowidx in xrange(len(self.rset)):
self.w(u'<li>')
self.wview('listitem', self.rset, row=rowidx, col=0)
self.w(u'</li>')
self.w(u'</ol>')