UPDATE I was able to get everything to work properly and I just wanted to post back with the updated code. I used Darin Dimitrov’s suggestion on using a separate generic http handler for handling the file uploads and so this is the code I came up with for that… let me know if you … Read more
I’ve set up an options page for my CPT that contains the drag’n’drop upload area (just like Media → Add New). Basicly, I’ve copied all the relevant stuff from wp-admin/media-new.php and it works like charming.
I know that plupload is going to be the new upload engine for WordPress 3.3 but I was wondering if there is any documentation yet on how it integrates with WordPress.
I would like to implement an inline file uploader to my plugin’s option page as introduced in new media grid view of the WP media library: