I recently had to have a checkbox column in my grid view that supported the 'disabled' attribute. This was easy enough to do by extending the CCheckBoxColumn. However, I also wanted the checkbox to be selected when clicking on the table's row (supported via CGridView's selectableRows option). I discovered I had to tweak yiigridview.js so that it would not select disabled rows when clicking on it or on the 'select all' checkbox.
I have been trying to find information on how to sync the sessions between Yii and KCFinder so that the two applications can "communicate" with each other. I managed to find some bits and pieces on the correct approach to use, but not a definite guide or concrete code.
This article shows one of possible ways to implement menu items (as well as links), which displays a progress / wait dialog and are redirecting browser to destination URL in the same time. This is especially useful, for links or routes that are know to be loaded for a prolonged period of time (i.e. getting a lot of data from database).