1 # -*- coding: utf-8 -*-

     2 

     3 import simplejson

     4 

     5 from cubicweb.interfaces import IGeocodable

     6 from cubicweb.common.view import EntityView

     7 from cubicweb.common.selectors import interface_selector

     8 

     9 class GeocodingJsonView(EntityView):

    10     id = 'geocoding-json'

    11     binary = True

    12     templatable = False

    13     content_type = 'application/json'

    14 

    15     __selectors__ = (interface_selector,)

    16     accepts_interfaces = (IGeocodable,)

    17     

    18     def call(self):

    19         extraparams = self.req.form.copy()

    20         extraparams.pop('vid', None)

    21         extraparams.pop('rql', None)

    22         markers = [self.build_marker_data(rowidx, extraparams)

    23                    for rowidx in xrange(len(self.rset))]

    24         center = {

    25             'latitude': sum(marker['latitude'] for marker in markers) / len(markers),

    26             'longitude': sum(marker['longitude'] for marker in markers) / len(markers),

    27             }

    28         geodata = {

    29             'center': center,

    30             'markers': markers,

    31             }

    32         self.w(simplejson.dumps(geodata))

    33         

    34     def build_marker_data(self, row, extraparams):

    35         entity = self.entity(row, 0)

    36         return {'latitude': entity.latitude, 'longitude': entity.longitude,

    37                 'title': entity.dc_long_title(),

    38                 #icon defines : (icon._url, icon.size,  icon.iconAncho', icon.shadow)

    39                 'icon': entity.marker_icon() or (self.req.external_resource('GMARKER_ICON'), (20, 34), (4, 34), None), 

    40                 'bubbleUrl': entity.absolute_url(vid='gmap-bubble', __notemplate=1, **extraparams),

    41                 }

    42 

    43 

    44 class GoogleMapBubbleView(EntityView):

    45     id = 'gmap-bubble'

    46     

    47     __selectors__ = (interface_selector,)

    48     accepts_interfaces = (IGeocodable,)

    49     

    50     def cell_call(self, row, col):

    51         entity = self.entity(row, col)

    52         self.w(u'<div>%s</div>' % entity.view('oneline'))

    53         # FIXME: we should call something like address-view if available

    54         

    55 

    56 class GoogleMapsView(EntityView):

    57     id = 'gmap-view'

    58     

    59     __selectors__ = (interface_selector,)

    60     accepts_interfaces = (IGeocodable,)

    61     need_navigation = False

    62     

    63     def call(self, gmap_key, width=400, height=400, uselabel=True, urlparams=None):

    64         self.req.add_js('http://maps.google.com/maps?file=api&v=2&key=%s' % gmap_key,

    65                         localfile=False);

    66         self.req.add_js( ('cubicweb.widgets.js', 'cubicweb.gmap.js', 'gmap.utility.labeledmarker.js') )

    67         rql = self.rset.printable_rql()

    68         if urlparams is None:

    69             loadurl = self.build_url(rql=rql, vid='geocoding-json')

    70         else:

    71             loadurl = self.build_url(rql=rql, vid='geocoding-json', **urlparams)

    72         self.w(u'<div style="width: %spx; height: %spx;" class="widget gmap" '

    73                u'cubicweb:wdgtype="GMapWidget" cubicweb:loadtype="auto" ' 

    74                u'cubicweb:loadurl="%s" cubicweb:uselabel="%s"> </div>' % (width, height, loadurl, uselabel))

    75 

    76         

    77 class GoogeMapsLegend(EntityView):

    78     id = 'gmap-legend'

    79     

    80     def call(self):

    81         self.w(u'<ol>')

    82         for rowidx in xrange(len(self.rset)):

    83             self.w(u'<li>')

    84             self.wview('listitem', self.rset, row=rowidx, col=0)

    85             self.w(u'</li>')

    86         self.w(u'</ol>')