inherit SRS and extent from parent

rblazek · rblazek · commit 5e4c57f21b98 · 2006-02-06T16:55:46.000Z
git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@4803 c8812cc2-4d05-0410-92ff-de0c093fc19c
diff --git a/src/providers/wms/qgswmsprovider.cpp b/src/providers/wms/qgswmsprovider.cpp
@@ -1107,7 +1107,8 @@ void QgsWmsProvider::parseStyle(QDomElement const & e, QgsWmsStyleProperty& styl
 }
 
 
-void QgsWmsProvider::parseLayer(QDomElement const & e, QgsWmsLayerProperty& layerProperty)
+void QgsWmsProvider::parseLayer(QDomElement const & e, QgsWmsLayerProperty& layerProperty,
+                                QgsWmsLayerProperty *parentProperty)
 {
 #ifdef QGISDEBUG
 //  std::cout << "QgsWmsProvider::parseLayer: entering." << std::endl;
@@ -1149,7 +1150,7 @@ void QgsWmsProvider::parseLayer(QDomElement const & e, QgsWmsLayerProperty& laye
             subLayerProperty.crs   = layerProperty.crs;
             // TODO
 
-            parseLayer(e1, subLayerProperty);
+            parseLayer(e1, subLayerProperty, &layerProperty );
 
             layerProperty.layer.push_back(subLayerProperty);
 
@@ -1271,6 +1272,19 @@ void QgsWmsProvider::parseLayer(QDomElement const & e, QgsWmsLayerProperty& laye
 //    std::cout << "QgsWmsProvider::parseLayer:   srs is: '" << layerProperty.srs << "'." << std::endl;
 //    std::cout << "QgsWmsProvider::parseLayer:   bbox is: '" << layerProperty.latlonbbox.stringRep() << "'." << std::endl;
 
+    // inherit SRS and BoundingBox if not defined but available in parent 
+    if ( parentProperty ) 
+    {
+        if ( layerProperty.crs.size() == 0 )
+        {
+            layerProperty.crs = parentProperty->crs;
+        }
+        if ( layerProperty.boundingBox.size() == 0 )
+        {
+            layerProperty.boundingBox = parentProperty->boundingBox;
+        }
+    }
+
     // Store the extent so that it can be combined with others later
     // in calculateExtent()
     // For now use extent in the first SRS defined for the layer
diff --git a/src/providers/wms/qgswmsprovider.h b/src/providers/wms/qgswmsprovider.h
@@ -576,7 +576,8 @@ public slots:
 
   //! parse the WMS Layer XML element
   // TODO: Make recursable
-  void parseLayer(QDomElement const & e, QgsWmsLayerProperty& layerProperty);
+  void parseLayer(QDomElement const & e, QgsWmsLayerProperty& layerProperty,
+                  QgsWmsLayerProperty *parentProperty=0);
 
   //! calculates the combined extent of the layers selected by layersDrawn  
   void calculateExtent();
