the activity
Removes the activities on the given layer from the repository. If no layer is provided, removes all activities from all layers from the repository
the layer to clear or nothing to clear all activities
Returns the earliest time used by the activities stored in this repository / on this row. This method gets used for navigation (e.g. "scroll to earliest time used in the Gantt chart", "zoom out to show all activities").
the earliest time used by the activities in this repository / row (null if no activities found)
Returns the latest time used by the activities stored in this repository / on this row. This method gets used for navigation (e.g. "scroll to latest time used in the Gantt chart", "zoom out to show all activities").
the latest time used by the activities in this repository / row (null if no activities found)
Removes the given activity from the repository.
the activity
Adds the given activity to the repository.
1.0