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OverviewFluid's Uploader can be integrated into a learning content management system, such as ATutor. Files are uploaded for several purposes such as uploading images for teaching material, student-submitted assignments, and audio tutorial files. The integration of Fluid's Uploader improves the user experience by allowing for multiple file uploads along with the progress bar and pause/resume features. ATutor aims to integrate Fluid's Uploader into its File Manager and have it ready for its next release (ATutor 1.6.2). ImplementationFluid's Uploader script is called by the File Manager which is used in several places in ATutor, such as: (logged in to an instructor account) - Content Editor -> File Manager
- Manage -> Tests -> Edit -> File Manager
Starting from ATutor 1.6.2, the entire source code of the Fluid Package is installed under /jscripts/fluid-components in the ATutor installation directory. In previous releases, only files from /fluid-components/js of the Fluid Package were installed directly in /jscripts and did not include folders such as /css and /swfupload. InitializationWhen using the Fluid scripts, they need to be loaded and initialized in the header of a page. This is done by saving the necessary tags to the $_custom_head variable (in /tools/filemanager/index.php), which gets passed to /tools/filemanager/top.php to be written from the appropriate header include file. Most of the HTML code being used is borrowed from the sample-code provided by the Fluid Package in /sample-code/uploader/inline/uploader.html with changes made to paths and settings. |
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For a more detailed reference of settings that can be configured for the Uploader, please refer to the Uploader2 Uploader API page.
Display
After initializing the Fluid scripts, the Uploader gets displayed through /include/html/filemanager_display.inc.php. Most of the HTML code being used is borrowed from the sample-code provided by the Fluid Package in /sample-code/uploader/inline/uploader.html
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In the current implementation, a Flash detection script gets inserted into the header when a user initially accesses any page on ATutor. The script returns a value of "yes" or "no", which gets saved in a cookie ($_COOKIE[fluid:"flash"]) then sent to the server to be saved as a session variable ($_SESSION[fluid:'flash']). Once the session variable is set, the cookie is removed and the Flash detection script no longer gets called for the remainder of the session. When accessing the filemanager, the php script (/include/html/filemanager_display.inc.php) generates the appropriate uploader depending on the value of the session variable.
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