I am looking for the best method of turning off the visibility of an
NSButtonCell object for individual rows in an OutlineView/TableView. I
have an OutlineView that is bound to a TreeController. There are two
columns. In the last column I am using a checkbox cell that should
only be visible to the user when a representedObject in the
TreeController has a certain property value. There is no Visibility
binding only Enabled which does not hide the control but just dims it.
I am using bindings to return a custom image for setImage and
setAlternateImage to display a custom NSImage instead of the regular
checkbox. It works nicely. I tried using conditional logic to return a
transparent image when I want to hide the control but that affects the
entire column. If I need to subclass I am suspecting I need to
override NSTableColumn's dataCellForRow, but then how do I obtain the
representedObject for that row?
Thanks for any help
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