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Product Version = NetBeans IDE 7.2 (Build 201207171143) Operating System = Linux version 3.2.0-27-generic running on amd64 Java; VM; Vendor = 1.6.0_32 Runtime = Java HotSpot(TM) 64-Bit Server VM 20.7-b02 Consider adding a shortcut button to the Collapse All function in the Projects and Files view on the tab label, to the left of the X to close. This is a feature from Eclipse that I really miss. Alternatively, add a button/widget on the tab label that shows the entire pop-up context menu for that view.
I guess the "collapse all" action is implemented by projects ui.
This old bug may not be relevant anymore. If you can still reproduce it in 8.2 development builds please reopen this issue. Thanks for your cooperation, NetBeans IDE 8.2 Release Boss
This is still a valid enhancement request.