web/views/igeocodable.py
changeset 0 b97547f5f1fa
child 431 18b4dd650ef8
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/views/igeocodable.py	Wed Nov 05 15:52:50 2008 +0100
@@ -0,0 +1,86 @@
+# -*- coding: utf-8 -*-
+
+import simplejson
+
+from cubicweb.interfaces import IGeocodable
+from cubicweb.common.view import EntityView
+from cubicweb.common.selectors import interface_selector
+
+class GeocodingJsonView(EntityView):
+    id = 'geocoding-json'
+    binary = True
+    templatable = False
+    content_type = 'application/json'
+
+    __selectors__ = (interface_selector,)
+    accepts_interfaces = (IGeocodable,)
+    
+    def call(self):
+        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 = {
+            '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'
+    
+    __selectors__ = (interface_selector,)
+    accepts_interfaces = (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'
+    
+    __selectors__ = (interface_selector,)
+    accepts_interfaces = (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&amp;v=2&amp;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>')