Misc. tweaks for "run import job" form

tailbone/views/importing.py

@@ -295,15 +295,42 @@ class ImportingView(MasterView):
         f.set_widget('models', dfwidget.SelectWidget(values=[(k, k) for k in keys],
                                                      multiple=True,
                                                      size=len(keys)))
-        # f.set_default('models', keys)
 
+        allow_create = True
+        allow_update = True
+        allow_delete = True
+        if len(keys) == 1:
+            importers = handler.get_importers().values()
+            importer = list(importers)[0]
+            allow_create = importer.allow_create
+            allow_update = importer.allow_update
+            allow_delete = importer.allow_delete
+
+        if allow_create:
             f.set_default('create', True)
+        else:
+            f.remove('create')
+
+        if allow_update:
             f.set_default('update', True)
+        else:
+            f.remove('update')
+
+        if allow_delete:
             f.set_default('delete', False)
+        else:
+            f.remove('delete')
+
         # f.set_default('runas', self.rattail_config.get('rattail', 'runas.default') or '')
+
         f.set_default('versioning', True)
+        f.set_helptext('versioning', "If set, version history will be updated as appropriate")
+
         f.set_default('dry_run', False)
+        f.set_helptext('dry_run', "If set, data will not actually be written")
+
         f.set_default('warnings', False)
+        f.set_helptext('warnings', "If set, will send an email if any diffs")
 
     def do_runjob(self, handler_info, form):
         handler = handler_info['_handler']