Module javafx.graphics
Package javafx.scene.input

Class RotateEvent

java.lang.Object
java.util.EventObject
javafx.event.Event
javafx.scene.input.InputEvent
javafx.scene.input.GestureEvent
javafx.scene.input.RotateEvent
All Implemented Interfaces:
Serializable, Cloneable
public final class RotateEvent
extends GestureEvent
Rotate event indicates that user performed rotating gesture such as dragging two fingers around each other on track pad, touch screen or other similar device.

The event is delivered to the top-most node picked on the gesture coordinates in time of the gesture start - the whole gesture is delivered to the same node even if the coordinates change during the gesture.

The event provides two values: angle is the rotation angle of this event, totalAngle is the rotation angle of the whole gesture. Both values are in degrees and work well when added to the node's rotate property value (positive values for clockwise rotation).

As all gestures, rotation can be direct (performed directly at the concrete coordinates as on touch screen - the center point among all the touches is usually used as the gesture coordinates) or indirect (performed indirectly as on track pad - the mouse cursor location is usually used as the gesture coordinates).

The gesture's ROTATE events are surounded by ROTATION_STARTED and ROTATION_FINISHED events. If rotation inertia is active on the given platform, some ROTATE events with isInertia() returning true can come after ROTATION_FINISHED.

Since:
JavaFX 2.2
See Also:
Serialized Form

  • Field Details

    • ANY

      public static final EventType<RotateEvent> ANY
      Common supertype for all rotate event types.

    • ROTATE

      public static final EventType<RotateEvent> ROTATE
      This event occurs when user performs a rotating gesture such as dragging two fingers around each other.

    • ROTATION_STARTED

      public static final EventType<RotateEvent> ROTATION_STARTED
      This event occurs when a rotating gesture is detected.

    • ROTATION_FINISHED

      public static final EventType<RotateEvent> ROTATION_FINISHED
      This event occurs when a rotating gesture ends.

  • Constructor Details

    • RotateEvent

      public RotateEvent​(Object source, EventTarget target, EventType<RotateEvent> eventType, double x, double y, double screenX, double screenY, boolean shiftDown, boolean controlDown, boolean altDown, boolean metaDown, boolean direct, boolean inertia, double angle, double totalAngle, PickResult pickResult)
      Constructs new RotateEvent event.
      Parameters:
      source - the source of the event. Can be null.
      target - the target of the event. Can be null.
      eventType - The type of the event.
      x - The x with respect to the scene.
      y - The y with respect to the scene.
      screenX - The x coordinate relative to screen.
      screenY - The y coordinate relative to screen.
      shiftDown - true if shift modifier was pressed.
      controlDown - true if control modifier was pressed.
      altDown - true if alt modifier was pressed.
      metaDown - true if meta modifier was pressed.
      direct - true if the event was caused by direct input device. See GestureEvent.isDirect()
      inertia - if represents inertia of an already finished gesture.
      angle - the rotational angle
      totalAngle - the cumulative rotational angle
      pickResult - pick result. Can be null, in this case a 2D pick result without any further values is constructed based on the scene coordinates and the target
      Since:
      JavaFX 8.0

    • RotateEvent

      public RotateEvent​(EventType<RotateEvent> eventType, double x, double y, double screenX, double screenY, boolean shiftDown, boolean controlDown, boolean altDown, boolean metaDown, boolean direct, boolean inertia, double angle, double totalAngle, PickResult pickResult)
      Constructs new RotateEvent event with null source and target
      Parameters:
      eventType - The type of the event.
      x - The x with respect to the scene.
      y - The y with respect to the scene.
      screenX - The x coordinate relative to screen.
      screenY - The y coordinate relative to screen.
      shiftDown - true if shift modifier was pressed.
      controlDown - true if control modifier was pressed.
      altDown - true if alt modifier was pressed.
      metaDown - true if meta modifier was pressed.
      direct - true if the event was caused by direct input device. See GestureEvent.isDirect()
      inertia - if represents inertia of an already finished gesture.
      angle - the rotational angle
      totalAngle - the cumulative rotational angle
      pickResult - pick result. Can be null, in this case a 2D pick result without any further values is constructed based on the scene coordinates
      Since:
      JavaFX 8.0

  • Method Details

    • getAngle

      public double getAngle()
      Gets the rotation angle of this event. The angle is in degrees and work well when added to the node's rotate property value (positive values for clockwise rotation).
      Returns:
      The rotation angle of this event

    • getTotalAngle

      public double getTotalAngle()
      Gets the cumulative rotation angle of this gesture. The angle is in degrees and work well when added to the node's rotate property value (positive values for clockwise rotation).
      Returns:
      The cumulative rotation angle of this gesture

    • toString

      public String toString()
      Returns a string representation of this RotateEvent object.
      Overrides:
      toString in class GestureEvent
      Returns:
      a string representation of this RotateEvent object.

    • copyFor

      public RotateEvent copyFor​(Object newSource, EventTarget newTarget)
      Description copied from class: GestureEvent
      Creates and returns a copy of this event with the specified event source and target. If the source or target is set to null, it is replaced by the NULL_SOURCE_TARGET value.
      Overrides:
      copyFor in class GestureEvent
      Parameters:
      newSource - the new source of the copied event
      newTarget - the new target of the copied event
      Returns:
      the event copy with the new source and target

    • copyFor

      public RotateEvent copyFor​(Object newSource, EventTarget newTarget, EventType<RotateEvent> type)
      Creates a copy of the given event with the given fields substituted.
      Parameters:
      newSource - the new source of the copied event
      newTarget - the new target of the copied event
      type - the new eventType
      Returns:
      the event copy with the fields substituted
      Since:
      JavaFX 8.0

    • getEventType

      public EventType<RotateEvent> getEventType()
      Description copied from class: Event
      Gets the event type of this event. Objects of the same Event class can have different event types. These event types further specify what kind of event occurred.
      Overrides:
      getEventType in class GestureEvent
      Returns:
      the event type