org.opengis.go.display.event

Interface AggregationChangeEvent

public interface AggregationChangeEvent

Provides a mechanism for notification of additions, removals, and reorderings of elements in an aggregation.

Field Summary

Fields

Modifier and Type	Field and Description
static int	ELEMENT_ADDED Flag for one or more elements added to the aggregation.
static int	ELEMENT_REMOVED Flag for one or more elements removed from the aggregation.
static int	ELEMENTS_REORDERED Flag for the case of the element order changing within the aggregation.

Method Summary

Modifier and Type	Method and Description
Graphic[]	getElements() Gets the Graphic elements pertinent to the event.
int	getID() Get the ID flag for this event.

Field Detail

ELEMENT_ADDED

static final int ELEMENT_ADDED

Flag for one or more elements added to the aggregation.

See Also:

Constant Field Values

ELEMENT_REMOVED

static final int ELEMENT_REMOVED

Flag for one or more elements removed from the aggregation.

See Also:

Constant Field Values

ELEMENTS_REORDERED

static final int ELEMENTS_REORDERED

Flag for the case of the element order changing within the aggregation.

See Also:

Constant Field Values

Method Detail

getID

int getID()

Get the ID flag for this event.

Returns:

The event type. One of the ELEMENT_ADDED, ELEMENT_REMOVED or ELEMENTS_REORDERED constants.

getElements

Graphic[] getElements()

Gets the Graphic elements pertinent to the event.

Returns:

an array of Graphics that were affected by the event, or an empty array.