fr.emn.examples.jazz
Class SquiggleEventHandler

java.lang.Object
  fr.emn.examples.jazz.SquiggleEventHandler

All Implemented Interfaces:

java.util.EventListener, edu.umd.cs.jazz.event.ZEventHandler, edu.umd.cs.jazz.event.ZMouseListener, edu.umd.cs.jazz.event.ZMouseMotionListener

public class SquiggleEventHandler

extends java.lang.Object

implements edu.umd.cs.jazz.event.ZEventHandler, edu.umd.cs.jazz.event.ZMouseListener, edu.umd.cs.jazz.event.ZMouseMotionListener

SquiggleEventHandler is a simple event handler for interactively drawing a polyline.

Author:

Benjamin B. Bederson

Constructor Summary

SquiggleEventHandler(edu.umd.cs.jazz.util.ZCanvas hinote, edu.umd.cs.jazz.ZNode node)

Method Summary

boolean	isActive() Determines if this event handler is active.
void	mouseClicked(edu.umd.cs.jazz.event.ZMouseEvent e) Invoked when the mouse has been clicked on a component.
void	mouseDragged(edu.umd.cs.jazz.event.ZMouseEvent e)
void	mouseEntered(edu.umd.cs.jazz.event.ZMouseEvent e) Invoked when the mouse enters a component.
void	mouseExited(edu.umd.cs.jazz.event.ZMouseEvent e) Invoked when the mouse exits a component.
void	mouseMoved(edu.umd.cs.jazz.event.ZMouseEvent e) Invoked when the mouse button has been moved on a node (with no buttons no down).
void	mousePressed(edu.umd.cs.jazz.event.ZMouseEvent e)
void	mouseReleased(edu.umd.cs.jazz.event.ZMouseEvent e)
void	setActive(boolean active) Specifies whether this event handler is active or not.

Methods inherited from class java.lang.Object

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

Constructor Detail

SquiggleEventHandler

public SquiggleEventHandler(edu.umd.cs.jazz.util.ZCanvas hinote,
                            edu.umd.cs.jazz.ZNode node)

Method Detail

setActive

public void setActive(boolean active)

Specifies whether this event handler is active or not.

Specified by:

setActive in interface edu.umd.cs.jazz.event.ZEventHandler

Parameters:

active - True to make this event handler active

isActive

public boolean isActive()

Determines if this event handler is active.

Specified by:

isActive in interface edu.umd.cs.jazz.event.ZEventHandler

Returns:

True if active

mousePressed

public void mousePressed(edu.umd.cs.jazz.event.ZMouseEvent e)

Specified by:

mousePressed in interface edu.umd.cs.jazz.event.ZMouseListener

mouseDragged

public void mouseDragged(edu.umd.cs.jazz.event.ZMouseEvent e)

Specified by:

mouseDragged in interface edu.umd.cs.jazz.event.ZMouseMotionListener

mouseReleased

public void mouseReleased(edu.umd.cs.jazz.event.ZMouseEvent e)

Specified by:

mouseReleased in interface edu.umd.cs.jazz.event.ZMouseListener

mouseEntered

public void mouseEntered(edu.umd.cs.jazz.event.ZMouseEvent e)

Invoked when the mouse enters a component.

Specified by:

mouseEntered in interface edu.umd.cs.jazz.event.ZMouseListener

mouseExited

public void mouseExited(edu.umd.cs.jazz.event.ZMouseEvent e)

Invoked when the mouse exits a component.

Specified by:

mouseExited in interface edu.umd.cs.jazz.event.ZMouseListener

mouseClicked

public void mouseClicked(edu.umd.cs.jazz.event.ZMouseEvent e)

Invoked when the mouse has been clicked on a component.

Specified by:

mouseClicked in interface edu.umd.cs.jazz.event.ZMouseListener

mouseMoved

public void mouseMoved(edu.umd.cs.jazz.event.ZMouseEvent e)

Invoked when the mouse button has been moved on a node (with no buttons no down).

Specified by:

mouseMoved in interface edu.umd.cs.jazz.event.ZMouseMotionListener