This IR has an altered behaviour on the search field of the column headers-popup. An autocomplete is now present instead of the standard unique values list.

You can find my blogpost and the plugin here:

You can find used source code to retrieve the current IR SQL on github. No code to parse computations yet, but i'm working on that. Note that this package becomes largely unnecessary when using the apex_ir package provided by oracle and introduced in apex 4.2.