NSError *error;
NSURL *URL = [NSURL fileURLWithPath:filename];
NJMapping *mapping = [NJMapping mappingWithContentsOfURL:URL
- mappings:self.mappingsController
error:&error];
if (mapping) {
[self.mappingsController addOrMergeMapping:mapping];
[panel close];
NSError *error;
NJMapping *mapping = [NJMapping mappingWithContentsOfURL:panel.URL
- mappings:self.mappingsController
error:&error];
if (mapping) {
[self.mappingsController addOrMergeMapping:mapping];