Fixed #9806 -- Allowed editing GeometryField with OpenLayersWidget

Thanks Paul Winkler for the initial patch.

django/contrib/gis/admin/options.py

@@ -94,6 +94,7 @@ class GeoModelAdmin(ModelAdmin):
                       'scrollable' : self.scrollable,
                       'layerswitcher' : self.layerswitcher,
                       'collection_type' : collection_type,
+                      'is_generic' : db_field.geom_type == 'GEOMETRY',
                       'is_linestring' : db_field.geom_type in ('LINESTRING', 'MULTILINESTRING'),
                       'is_polygon' : db_field.geom_type in ('POLYGON', 'MULTIPOLYGON'),
                       'is_point' : db_field.geom_type in ('POINT', 'MULTIPOINT'),

django/contrib/gis/admin/widgets.py

@@ -40,7 +40,8 @@ class OpenLayersWidget(Textarea):
                 )
                 value = None
 
-        if value and value.geom_type.upper() != self.geom_type:
+        if (value and value.geom_type.upper() != self.geom_type and
+                self.geom_type != 'GEOMETRY'):
             value = None
 
         # Constructing the dictionary of the map options.

django/contrib/gis/templates/gis/admin/openlayers.js

@@ -6,6 +6,7 @@ OpenLayers.Projection.addTransform("EPSG:4326", "EPSG:3857", OpenLayers.Layer.Sp
 {{ module }}.wkt_f = new OpenLayers.Format.WKT();
 {{ module }}.is_collection = {{ is_collection|yesno:"true,false" }};
 {{ module }}.collection_type = '{{ collection_type }}';
+{{ module }}.is_generic = {{ is_generic|yesno:"true,false" }};
 {{ module }}.is_linestring = {{ is_linestring|yesno:"true,false" }};
 {{ module }}.is_polygon = {{ is_polygon|yesno:"true,false" }};
 {{ module }}.is_point = {{ is_point|yesno:"true,false" }};
@@ -89,24 +90,19 @@ OpenLayers.Projection.addTransform("EPSG:4326", "EPSG:3857", OpenLayers.Layer.Sp
 // Create an array of controls based on geometry type
 {{ module }}.getControls = function(lyr){
   {{ module }}.panel = new OpenLayers.Control.Panel({'displayClass': 'olControlEditingToolbar'});
-  var nav = new OpenLayers.Control.Navigation();
-  var draw_ctl;
-  if ({{ module }}.is_linestring){
-    draw_ctl = new OpenLayers.Control.DrawFeature(lyr, OpenLayers.Handler.Path, {'displayClass': 'olControlDrawFeaturePath'});
-  } else if ({{ module }}.is_polygon){
-    draw_ctl = new OpenLayers.Control.DrawFeature(lyr, OpenLayers.Handler.Polygon, {'displayClass': 'olControlDrawFeaturePolygon'});
-  } else if ({{ module }}.is_point){
-    draw_ctl = new OpenLayers.Control.DrawFeature(lyr, OpenLayers.Handler.Point, {'displayClass': 'olControlDrawFeaturePoint'});
+  {{ module }}.controls = [new OpenLayers.Control.Navigation()];
+  if (!{{ module }}.modifiable && lyr.features.length) return;
+  if ({{ module }}.is_linestring || {{ module }}.is_generic){
+    {{ module }}.controls.push(new OpenLayers.Control.DrawFeature(lyr, OpenLayers.Handler.Path, {'displayClass': 'olControlDrawFeaturePath'}));
+  }
+  if ({{ module }}.is_polygon || {{ module }}.is_generic){
+    {{ module }}.controls.push(new OpenLayers.Control.DrawFeature(lyr, OpenLayers.Handler.Polygon, {'displayClass': 'olControlDrawFeaturePolygon'}));
+  }
+  if ({{ module }}.is_point || {{ module }}.is_generic){
+    {{ module }}.controls.push(new OpenLayers.Control.DrawFeature(lyr, OpenLayers.Handler.Point, {'displayClass': 'olControlDrawFeaturePoint'}));
   }
   if ({{ module }}.modifiable){
-    var mod = new OpenLayers.Control.ModifyFeature(lyr, {'displayClass': 'olControlModifyFeature'});
-    {{ module }}.controls = [nav, draw_ctl, mod];
-  } else {
-    if(!lyr.features.length){
-      {{ module }}.controls = [nav, draw_ctl];
-    } else {
-      {{ module }}.controls = [nav];
-    }
+    {{ module }}.controls.push(new OpenLayers.Control.ModifyFeature(lyr, {'displayClass': 'olControlModifyFeature'}));
   }
 };
 {{ module }}.init = function(){

docs/releases/1.6.txt

@@ -134,6 +134,9 @@ Minor features
 * SimpleLazyObjects will now present more helpful representations in shell
   debugging situations.
 
+* Generic :class:`~django.contrib.gis.db.models.GeometryField` is now editable
+  with the OpenLayers widget in the admin.
+
 Backwards incompatible changes in 1.6
 =====================================