yfiles/client/support/TouchPointHandler
Class TouchPointHandler

Used to handle touch events.

The 'GraphCanvas' creates TouchPointHandler instances to handle individual touch gestures (see GraphCanvas._getOrCreateTouchPointHandler()) - i.e., the touchstart, touchmove and touchend events belonging to the same touch gesture are handled by a single TouchPointHandler instance.

TouchPointHandler

TouchPointHandler(yfiles/client/tiles/widget/GraphCanvas canvas, Number identifier)

Used to handle touch events.

The 'GraphCanvas' creates TouchPointHandler instances to handle individual touch gestures (see GraphCanvas._getOrCreateTouchPointHandler()) - i.e., the touchstart, touchmove and touchend events belonging to the same touch gesture are handled by a single TouchPointHandler instance.

Parameters:

canvas -

The GraphCanvas instance where touch events will be delegated to

identifier -

The identifier that identifies a single touch gesture across multiple touch events.

onTouchCancelCore

 onTouchCancelCore(Touch touch)

Callback that is invoked when a touch event was canceled.

Parameters:

touch -

The touch event

onTouchEndCore

 onTouchEndCore(Touch touch)

Invoked when a touch gesture ends.

Parameters:

touch -

The touch event

onTouchEnterCore

 onTouchEnterCore(Touch touch)

Invoked when a touchenter event is initiated.

Note that this event is currently not widely supported across devices and browsers.

Parameters:

touch -

The touch event

onTouchLeaveCore

 onTouchLeaveCore(Touch touch)

Invoked when a touchleave event is initiated.

Note that this event is currently not widely supported across devices and browsers.

Parameters:

touch -

The touch event

onTouchMoveCore

 onTouchMoveCore(Touch touch)

Callback that is invoked when a touch location was moved.

Parameters:

touch -

The touch event

onTouchStartCore

 onTouchStartCore(Touch touch)

Callback that is invoked when a touch gesture has started.

Parameters:

touch -

The touch event.