Canonical descriptive string of the event type including modifiers,
e.g. Ctrl+Down.
OptionalcolThe definition of the affected column if any.
OptionalcolThe affected column's span tag if any.
OptionalcolThe column definition ID of affected column if any.
The index of affected column or -1.
The original HTTP Event.
The affected node instance instance if any.
The affected part of the node span (e.g. title, expander, ...).
The tree instance.
Additional information derived from mouse or keyboard events.
See
Wunderbaum.getEventInfo