Misc. improvements for ordering batches, purchases

also we now show handler's description when executing batch

tailbone/views/purchasing/batch.py

@@ -281,9 +281,9 @@ class PurchasingBatchView(BatchMasterView):
         if self.creating:
             f.replace('vendor', 'vendor_uuid')
             f.set_label('vendor_uuid', "Vendor")
-            widget_type = self.rattail_config.get('tailbone', 'default_widget.vendor',
-                                                  default='autocomplete')
-            if widget_type == 'autocomplete':
+            use_autocomplete = self.rattail_config.getbool(
+                'rattail', 'vendor.use_autocomplete', default=True)
+            if use_autocomplete:
                 vendor_display = ""
                 if self.request.method == 'POST':
                     if self.request.POST.get('vendor_uuid'):
@@ -293,14 +293,12 @@ class PurchasingBatchView(BatchMasterView):
                 vendors_url = self.request.route_url('vendors.autocomplete')
                 f.set_widget('vendor_uuid', forms.widgets.JQueryAutocompleteWidget(
                     field_display=vendor_display, service_url=vendors_url))
-            elif widget_type == 'dropdown':
+            else:
                 vendors = self.Session.query(model.Vendor)\
                                       .order_by(model.Vendor.id)
                 vendor_values = [(vendor.uuid, "({}) {}".format(vendor.id, vendor.name))
                                  for vendor in vendors]
                 f.set_widget('vendor_uuid', dfwidget.SelectWidget(values=vendor_values))
-            else:
-                raise NotImplementedError("Unsupported vendor widget type: {}".format(widget_type))
         elif self.editing:
             f.set_readonly('vendor')