OptionaladdEnable add buttons in each of the dock panel's tab bars.
The default is 'false'.
Optionalclosethe tab bar
the widget (title)
true if the request was handled by this handler, false if the tabbar should handle the request
Optionaldisablewhether drag and drop for tabs should be disabled
OptionaldocumentThe document to use with the dock panel.
The default is the global document instance.
OptionaledgesThe sizes of the edge drop zones, in pixels. If not given, default values will be used.
OptionalhiddenThe method for hiding widgets.
The default is Widget.HiddenMode.Display.
OptionalmodeThe mode for the dock panel.
The default is 'multiple-document'.
OptionaloverlayThe overlay to use with the dock panel.
The default is a new Overlay instance.
OptionalrendererThe renderer to use for the dock panel.
The default is a shared renderer instance.
OptionalspacingThe spacing between the items in the panel.
The default is 4.
OptionaltabsConstrain tabs to this dock panel
The default is 'false'.
OptionaltabsAllow tabs to be draggable / movable by user.
The default is 'true'.
An options object for creating a dock panel.