com.maryanovsky.map.client.actions.iphone
Class InertialDragPanAction

java.lang.Object
  com.maryanovsky.map.client.actions.MapAction<HasAllDragHandlers>
      com.maryanovsky.map.client.actions.iphone.InertialDragPanAction

All Implemented Interfaces:

EventHandler, DragCancelHandler, DragEndHandler, DragMoveHandler, DragStartHandler

public class InertialDragPanAction
extends MapAction<HasAllDragHandlers>
implements DragStartHandler, DragMoveHandler, DragEndHandler, DragCancelHandler

Pans the map as the user drags his finger across the map widget, continuing the panning after the user lifted his finger, as if the map had inertia over a surface with friction.

Author:

Maryanovsky Alexander

Field Summary

Fields inherited from class com.maryanovsky.map.client.actions.MapAction

isAnimated, mapWidget

Constructor Summary

InertialDragPanAction(MapWidget mapWidget, int decelerationDuration)
Creates a new InertialDragPanAction for the specified map widget with the specified deceleration duration, in milliseconds.

Method Summary

void	onDragCancel(DragCancelEvent evt) Invoked when a drag gesture is cancelled.
void	onDragEnd(DragEndEvent evt) Invoked when a drag gesture ends.
void	onDragMove(DragMoveEvent evt) Invoked when a drag gesture is in progress.
void	onDragStart(DragStartEvent evt) Invoked when a drag gesture starts.
HandlerRegistration	registerWith(HasAllDragHandlers dragSource) Registers for handling drag events from the specified source.

Methods inherited from class java.lang.Object

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

Constructor Detail

InertialDragPanAction

public InertialDragPanAction(MapWidget mapWidget,
                             int decelerationDuration)

Creates a new InertialDragPanAction for the specified map widget with the specified deceleration duration, in milliseconds.

Parameters:

mapWidget - The target map widget.

decelerationDuration - The time it takes the map to decelerate to full stop, in milliseconds.

Method Detail

registerWith

public HandlerRegistration registerWith(HasAllDragHandlers dragSource)

Registers for handling drag events from the specified source.

Specified by:

registerWith in class MapAction<HasAllDragHandlers>

onDragStart

public void onDragStart(DragStartEvent evt)

Invoked when a drag gesture starts.

Specified by:

onDragStart in interface DragStartHandler

onDragMove

public void onDragMove(DragMoveEvent evt)

Invoked when a drag gesture is in progress.

Specified by:

onDragMove in interface DragMoveHandler

onDragEnd

public void onDragEnd(DragEndEvent evt)

Invoked when a drag gesture ends.

Specified by:

onDragEnd in interface DragEndHandler

onDragCancel

public void onDragCancel(DragCancelEvent evt)

Invoked when a drag gesture is cancelled.

Specified by:

onDragCancel in interface DragCancelHandler