I want to change the
EnabledScript function of a existing Ribbon Button (Upload Document) but keep everything else, like the original CommandAction it executes on click. More specifically I would like to disable the Button in the Top-Level View, because there should only be folders. Inside a folder the Button should be enabled. (I have SP2013 if that matters).
I tried to change the button with a CustomAction but this only removed the whole button (see below). I also tried to modify the button with a Script that disables the button if needed but this did not work as exptected.
I would prefer not to copy the button and only change the
EnabledScript Section in the Command Handler. How can I change the Enabled function but keep the rest in its default state?
Update: Copying the Button as it is defined in the CMDUI.XML file and using
UploadDocument as the command (default) and adding a Handler for UploadDocument did call the original functions and ignored my Actions.
As an alternative: If I cannot replace just the enabled-script, what JS does the original Upload Document Button call? This way I could at least create a new custom copy.