JS: preload icon images

1 files changed, 13 insertions, 5 deletions

diff --git a/chimere/models.py b/chimere/models.py
index a34635d..01d6af0 100644
--- a/chimere/models.py
+++ b/chimere/models.py
@@ -279,14 +279,22 @@ class SubCategory(models.Model):
                         [(subcat.pk, subcat.name) for subcat in subcats]))
         return cats
 
+    def getJSONDict(self):
+        items = {'id':self.pk, 'name':self.name,
+                 'description':self.description if self.description\
+                               else '',
+                 'icon':{'url':self.icon.image.url,
+                         'width':self.icon.image.width,
+                         'height':self.icon.image.height}
+                }
+        if self.hover_icon:
+            items['icon_hover'] = {'url':cat.hover_icon.image.url}
+        return items
+
     def getJSON(self, categories_id=[]):
         '''Return a JSON string - mainly used to get description
         '''
-        items = {'id':self.pk, 'name':json.dumps(self.name),
-                 'description':json.dumps(self.description) if self.description\
-                               else ''}
-        json_string = u'{"pk": %(id)d, "name": %(name)s, '\
-            u'"description":%(description)s}' % items
+        json_string = json.dumps(self.getJSONDict())
         return json_string
 
 IMPORTERS = {'KML':KMLManager,