Changeset 5483 for qesdi/wms_ddc_vis

Timestamp:

14/07/09 09:38:42 (12 years ago)

Author:

pnorton

Message:

Modified the GetCapabilities? response so that the styles are added to the data summary and picked up by the genshi template.

Location:

qesdi/wms_ddc_vis/trunk/lib/wms_ddc_vis

Files:

• controllers/csmlwms.py (modified) (2 diffs)
• templates/wms_capabilities_1_1_1.xml (added)
• templates/wms_capabilities_1_3_0.xml (added)
• templates/wms_capabilities_json.txt (added)

qesdi/wms_ddc_vis/trunk/lib/wms_ddc_vis/controllers/csmlwms.py

@@ -11 +11 @@
 
 from cows.pylons.wms_controller import WMSController
-
+from cows.pylons import ows_controller
+
+from cows.model.wms import Style, LegendURL, FormattedURL
+from cows.xml.iso19115_subset import OnlineResource
+
+from genshi.template import TemplateLoader, NewTextTemplate
+from pkg_resources import resource_filename
+from routes import url_for
 
 log = logging.getLogger(__name__)
@@ -17 +24 @@
 class CsmlwmsController(WMSController):
     layerMapper = DDCLayerMapper()
+
+    loader = TemplateLoader( resource_filename('wms_ddc_vis', 'templates'),
+                             auto_reload=True,
+                           )
+
+    JSON_CAPABILITIES_TEMPLATE = "wms_capabilities_json.txt"
+    XML_CAPABILITIES_V1_1_1 = "wms_capabilities_1_1_1.xml"
+    XML_CAPABILITIES_V1_1_3 = "wms_capabilities_1_3_0.xml"
+    
+
+    def _renderCapabilities(self, version, format):
+        
+        for ds in c.capabilities.contents.datasetSummaries:
+            
+            onlineRes = OnlineResource(url_for(qualified=True, action='index') + "?request=GetLegend&layers=%s" % ds.identifier)
+            
+            legendURL = LegendURL(630, 80, format='img/png', onlineResource=onlineRes )
+            
+            gridStyle = Style('grid', 'Grid Boxes', legendURLs=[legendURL] )
+            contourStyle = Style('contour', 'Contour Lines', legendURLs=[legendURL] )
+            
+            ds.styles = [gridStyle, contourStyle]
+            
+            log.debug("dir(ds) = %s" % (dir(ds),))
+            log.debug("ds.identifier = %s" % (ds.identifier,))
+            log.debug("ds.styles = %s" % (ds.styles,))
+            log.debug("ds.metadata = %s" % (ds.metadata,))
+        
+        if format == 'application/json':
+            
+            t = self.loader.load(self.JSON_CAPABILITIES_TEMPLATE,
+                                                   cls=NewTextTemplate)
+        elif version == '1.1.1':
+            t = self.loader.load(self.XML_CAPABILITIES_V1_1_1)
+        elif version == '1.3.0':
+            t = self.loader.load(self.XML_CAPABILITIES_V1_1_3)
+        else:
+            # We should never get here!  The framework should raise an exception before now.
+            raise RuntimeError("Version %s not supported" % version)
+        
+        return t.generate(c=c).render()
 
     def _getLayerParam(self, paramName='layers'):