OptionalcaseSort string values case insensitive.
OptionalcolColumn ID as defined in tree.columns definition. Required if updateColInfo is true.
OptionaldeepSort descendants recursively.
OptionalnativeSort by this property if order is undefined.
See also WunderbaumNode.resetNativeChildOrder.
OptionalorderSort order.
OptionalpropThe name of the node property that will be used for sorting.
OptionalupdateRotate sort order (asc -> desc -> none) before sorting.
Update the sort icons in the column header
Note:
Sorting is done in-place. There is no 'unsorted' state, but we can
call setCurrentSortOrder() to renumber the node._sortIdx property,
which will be used as sort key, when order is undefined.
Possible values for WunderbaumNode.sortByProperty
optionsargument.