updateSelection(IStructuredSelection selection) The AddTaskAction implementation of this
SelectionListenerAction method enables the action only
if the selection contains a single resource and the resource is
not a closed project.
The AddTaskAction implementation of this
SelectionListenerAction method enables the action only
if the selection contains a single resource and the resource is
not a closed project.
Parameters: selection - the selection to update the enabled state for
Methods inherited from org.eclipse.ui.actions.SelectionListenerAction