]po[ Sencha File-Storage Specs
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  • 1. Sencha File Storage AJAX file storage with drag-and- drop, versioning, and Web-DAV access
  • 2. Requirements  Attractive AJAX GUI.  Drag-and-drop of files in the File storage  Drag-and-drop of files between the browser and the (Windows) operating system  Versioning of files  Access to files on the server- side via Web-DAV protocol  File permissions based on ] po[ vertical/horizontal permissions
  • 3. Architecture Overview  Using Sencha Ext-JS as the client-side Web browser library  Using REST protocol as defined by Sencha REST proxy and the ]po[ REST Interface  Using the “file-storage” OpenACS infrastructure on the server side  File-storage already supports Web-DAV providing a second access path to the server-side files  File-storage uses the OpenACS content repository, which provides versioning and meta- data.  Custom logic is necessary in order to create one file-storage per ]po[ project.  ]po[ permissions are set on a project’s file-storage using callback functions on im_project Physical Server (Linux) AOL Web-DAVSencha Proxy Sencha Store File-Storage Content Repo RESTInterface
  • 4. GUI Examples  Sencha Tree layout  Tree-Filelist layout: Folder tree at the left, files at the right  Windows Explorer layout: Left side may also show files  WinSCP layout: Similar to Windows Explorer  DropBox Web layout
  • 5. Operating System Drag-and-drop  http://www.html5rocks.com/en/tuto  http://stackoverflow.com/questions
  • 6. Open Questions  How to represent and expose version and meta-data information on the GUI?  How to store meta-data with files (creator, data, tags, comments, custom fields), and how to expose these meta- data on the GUI?
  • 7. Open Questions  How to represent and expose version and meta-data information on the GUI?  How to store meta-data with files (creator, data, tags, comments, custom fields), and how to expose these meta- data on the GUI?