objective c - Undo Manager has stopped working after binding NSTextView to NSArrayController programatically -


when bind nstextview nsarraycontroller in storyboard, undo works correctly nstextview loose focus each time when context saved. therefore, bound nstextview nsarraycontroller programatically:

[_notetextview bind: nsattributedstringbinding            toobject: _notearraycontroller.selection         withkeypath: @"notebyuser"             options: (@{                         nscontinuouslyupdatesvaluebindingoption : @yes,                         nsallowseditingmultiplevaluesselectionbindingoption : @yes,                         nsconditionallysetseditablebindingoption : @yes,                         nsraisesfornotapplicablekeysbindingoption : @yes })];

now, not loose focus on saving undo functionality stopped working nstextview, other views inside mainwindow bound nsarraycontroller in storyboard responds undo command correctly.


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