edu.umd.cs.piccolo.examples

Class GraphEditorExample.NodeDragHandler

java.lang.Object

edu.umd.cs.piccolo.event.PBasicInputEventHandler

edu.umd.cs.piccolo.event.PDragSequenceEventHandler

edu.umd.cs.piccolo.examples.GraphEditorExample.NodeDragHandler

All Implemented Interfaces:

PInputEventListener, EventListener

Enclosing class:

GraphEditorExample

 class GraphEditorExample.NodeDragHandler
extends PDragSequenceEventHandler

Constructor Summary

Constructors

Constructor and Description
GraphEditorExample.NodeDragHandler()

Method Summary

Methods

Modifier and Type	Method and Description
void	drag(PInputEvent e) Subclasses should override this method to get notified of the drag events in a drag sequence.
void	mouseEntered(PInputEvent e) Will be invoked when the mouse enters a specified region.
void	mouseExited(PInputEvent e) Will be invoked when the mouse leaves a specified region.

Methods inherited from class edu.umd.cs.piccolo.event.PDragSequenceEventHandler

dragActivityFinalStep, dragActivityFirstStep, dragActivityStep, endDrag, getDragActivity, getMinDragStartDistance, getMousePressedCanvasPoint, isDragging, mouseDragged, mousePressed, mouseReleased, setIsDragging, setMinDragStartDistance, shouldStartDragInteraction, startDrag, startDragActivity, stopDragActivity

Methods inherited from class edu.umd.cs.piccolo.event.PBasicInputEventHandler

acceptsEvent, getEventFilter, keyboardFocusGained, keyboardFocusLost, keyPressed, keyReleased, keyTyped, mouseClicked, mouseMoved, mouseWheelRotated, mouseWheelRotatedByBlock, paramString, processEvent, setEventFilter

Methods inherited from class java.lang.Object

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

Constructor Detail

GraphEditorExample.NodeDragHandler

public GraphEditorExample.NodeDragHandler()

Method Detail

mouseEntered

public void mouseEntered(PInputEvent e)

Description copied from class: PBasicInputEventHandler

Will be invoked when the mouse enters a specified region. Subclasses should override this method to implement their own behavior.

Overrides:

mouseEntered in class PBasicInputEventHandler

Parameters:

e - object which can be queried for the event's details

mouseExited

public void mouseExited(PInputEvent e)

Description copied from class: PBasicInputEventHandler

Will be invoked when the mouse leaves a specified region. Subclasses should override this method to implement their own behavior.

Overrides:

mouseExited in class PBasicInputEventHandler

Parameters:

e - object which can be queried for the event's details

drag

public void drag(PInputEvent e)

Description copied from class: PDragSequenceEventHandler

Subclasses should override this method to get notified of the drag events in a drag sequence. Note that that overriding methods must still call super.startDrag() for correct behavior.

Overrides:

drag in class PDragSequenceEventHandler

Parameters:

e - event that caused the drag