We are using jquery fileupload to drag and drop files (and folders) from a local computer to a browser. This works great but we can\'t capture the directory structure of the
See jquery file upload's support for this related to @Dead133s mention of webkitdirectory https://github.com/blueimp/jQuery-File-Upload/wiki/Browser-support
"It is possible to select a complete folder structure, though this is currently only supported by Google Chrome.To enable this feature, the following vendor-specific directory attributes have to be added to the file input field:"
Another low-tech solution would be to have users zip up the files and upload those, preserving any folder.