Package com.luciad.controllers

Class PanEventHandler

java.lang.Object

com.luciad.controllers.PanEventHandler

All Implemented Interfaces:

AutoCloseable

public final class PanEventHandler
extends Object
implements AutoCloseable

Basic gesture handler dedicated to translate drag gesture events to a pan operation.

Constructor Summary

Constructors

Constructor	Description
PanEventHandler()	Creates a new instance.

Method Summary

Modifier and Type	Method	Description
void	close()
protected void	finalize()
EventResult	onDragEvent(DragEvent dragEvent, Map map)	Moves the map's camera following the drag direction.

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

PanEventHandler

public PanEventHandler()

Creates a new instance.

Method Details

finalize

protected void finalize()

Overrides:

finalize in class Object

close

public void close()

Specified by:

close in interface AutoCloseable

onDragEvent

@NotNull
public EventResult onDragEvent(@NotNull
 DragEvent dragEvent,
 @NotNull
 Map map)
                        throws NullPointerException

Moves the map's camera following the drag direction.

The drag event is consumed only if the sequence of events is the following : a EventStatus#Start event, 0 or more EventStatus#InProgress event and finally a EventStatus#End event. If the sequence is not correct, this method returns EventResult#NotConsumed.

Parameters:

dragEvent - a drag event. Cannot be null.

map - the map. Cannot be null.

Returns:

whether the drag event was consumed or not.

Throws:

NullPointerException - when passing null for the map or the event.