org.eclipse.gef4.fx.swt.gestures

Class SwtToFxEventConverter

java.lang.Object

org.eclipse.gef4.fx.swt.gestures.SwtToFxEventConverter

public class SwtToFxEventConverter
extends java.lang.Object

The SwtToFxEventConverter forwards SWT events to JavaFX. It is necessary because the FXCanvas does not forward gesture events and horizontal mouse wheel events.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	SwtToFxEventConverter.GestureState Represents the current SwtToFxEventConverter.GestureState of touch gesture interaction.
protected static interface	SwtToFxEventConverter.ISceneRunnable The SwtToFxEventConverter.ISceneRunnable interface provides a callback method that is invoked in a privileged runnable on the JavaFX application thread.

Constructor Summary

Constructors

Constructor and Description
SwtToFxEventConverter(javafx.embed.swt.FXCanvas canvas) Registers event forwarding for the given FXCanvas.

Method Summary

Modifier and Type	Method and Description
protected boolean	changeState(org.eclipse.gef4.fx.swt.gestures.SwtToFxEventConverter.GestureStateType newStateType, GestureEvent event, com.sun.javafx.tk.TKSceneListener sceneListener) Changes the internal SwtToFxEventConverter.GestureState of the currently performed touch gesture and sends the appropriate events to JavaFX.
void	dispose() Unregisters event forwarding from the FXCanvas for which this SwtToFxEventConverter was created.
protected void	scheduleSceneRunnable(SwtToFxEventConverter.ISceneRunnable sr) Schedules the given SwtToFxEventConverter.ISceneRunnable for execution in a privileged runnable on the JavaFX application thread.
protected void	sendGestureEventToFx(GestureEvent event) Converts the given GestureEvent to a corresponding JavaFX event and sends it to the JavaFX scene graph of the FXCanvas which is associated with this SwtToFxEventConverter.
protected void	sendMouseHorizontalWheelEventToFx(Event event) Forwards a given SWT.MouseHorizontalWheel event to JavaFX.

Methods inherited from class java.lang.Object

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

Constructor Detail

SwtToFxEventConverter

public SwtToFxEventConverter(javafx.embed.swt.FXCanvas canvas)

Registers event forwarding for the given FXCanvas.

Parameters:

canvas - The FXCanvas for which event forwarding is registered.

Method Detail

changeState

protected boolean changeState(org.eclipse.gef4.fx.swt.gestures.SwtToFxEventConverter.GestureStateType newStateType,
                              GestureEvent event,
                              com.sun.javafx.tk.TKSceneListener sceneListener)

Changes the internal SwtToFxEventConverter.GestureState of the currently performed touch gesture and sends the appropriate events to JavaFX.

Parameters:

newStateType - The new GestureStateType.

event - The GestureEvent which was performed.

sceneListener - The TKSceneListener to which the corresponding JavaFX event is send.

Returns:

true when the GestureStateType is changed, otherwise false.

dispose

public void dispose()

Unregisters event forwarding from the FXCanvas for which this SwtToFxEventConverter was created.

scheduleSceneRunnable

protected void scheduleSceneRunnable(SwtToFxEventConverter.ISceneRunnable sr)

Schedules the given SwtToFxEventConverter.ISceneRunnable for execution in a privileged runnable on the JavaFX application thread.

Parameters:

sr - The SwtToFxEventConverter.ISceneRunnable that will be executed in a privileged runnable on the JavaFX application thread.

sendGestureEventToFx

protected void sendGestureEventToFx(GestureEvent event)

Converts the given GestureEvent to a corresponding JavaFX event and sends it to the JavaFX scene graph of the FXCanvas which is associated with this SwtToFxEventConverter.

Parameters:

event - The GestureEvent to send to JavaFX.

sendMouseHorizontalWheelEventToFx

protected void sendMouseHorizontalWheelEventToFx(Event event)

Forwards a given SWT.MouseHorizontalWheel event to JavaFX.

Parameters:

event - The SWT.MouseHorizontalWheel event that is forwarded to JavaFX.