DRAG_ITEM_ACTION
Represents the available action
types for the SchedulerItemDragItemAction
objects.
The available types are:
DRAG_ITEM_SET'
DRAG_ITEM_START'
DRAG_ITEM_DRAG'
DRAG_ITEM_COMPLETE'
DRAG_ITEM_COMPLETE_OCCURRENCE'
DRAG_ITEM_COMPLETE_SERIES'
DRAG_ITEM_RESET'
DRAG_ITEM_DRAG_SELECTED