edu.umd.cs.piccolo.tutorial
Class UserInteraction.SquiggleHandler

java.lang.Object
  edu.umd.cs.piccolo.event.PBasicInputEventHandler
      edu.umd.cs.piccolo.event.PDragSequenceEventHandler
          edu.umd.cs.piccolo.tutorial.UserInteraction.SquiggleHandler

All Implemented Interfaces:

PInputEventListener, java.util.EventListener

Enclosing class:

UserInteraction

public class UserInteraction.SquiggleHandler
extends PDragSequenceEventHandler

Field Summary

protected PCanvas	canvas
protected PPath	squiggle

Constructor Summary

UserInteraction.SquiggleHandler(PCanvas aCanvas)

Method Summary

void	drag(PInputEvent e) Subclasses should override this method to get notified of the drag events in a drag sequence.
void	endDrag(PInputEvent e) Subclasses should override this method to get notified of the end event in a drag sequence.
void	startDrag(PInputEvent e) Subclasses should override this method to get notified of the start of a new drag sequence.
void	updateSquiggle(PInputEvent aEvent)

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

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

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

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

Methods inherited from class java.lang.Object

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

Field Detail

canvas

protected PCanvas canvas

squiggle

protected PPath squiggle

Constructor Detail

UserInteraction.SquiggleHandler

public UserInteraction.SquiggleHandler(PCanvas aCanvas)

Method Detail

startDrag

public void startDrag(PInputEvent e)

Description copied from class: PDragSequenceEventHandler

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

Overrides:

startDrag in class PDragSequenceEventHandler

Parameters:

e - event that started the drag sequence

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

endDrag

public void endDrag(PInputEvent e)

Description copied from class: PDragSequenceEventHandler

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

Overrides:

endDrag in class PDragSequenceEventHandler

Parameters:

e - event that ended the drag sequence

updateSquiggle

public void updateSquiggle(PInputEvent aEvent)