org.opentrafficsim.draw.graphs

Class PointerHandler

java.lang.Object

org.opentrafficsim.draw.graphs.PointerHandler

All Implemented Interfaces:

MouseListener, MouseMotionListener, EventListener

public abstract class PointerHandler
extends Object
implements MouseListener, MouseMotionListener

Handle mouse events for a graph.

Copyright (c) 2013-2019 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved.
BSD-style license. See OpenTrafficSim License.

$LastChangedDate: 2015-07-26 01:01:13 +0200 (Sun, 26 Jul 2015) $, @version $Revision: 1155 $, by $Author: averbraeck $, initial version Aug 13, 2014

Author:

Peter Knoppers

Constructor Summary

Constructors

Constructor and Description
PointerHandler()

Method Summary

Modifier and Type	Method and Description
void	mouseClicked(MouseEvent e)
void	mouseDragged(MouseEvent e)
void	mouseEntered(MouseEvent e)
void	mouseExited(MouseEvent mouseEvent)
void	mouseMoved(MouseEvent mouseEvent)
void	mousePressed(MouseEvent e)
void	mouseReleased(MouseEvent e)
abstract void	updateHint(double domainValue, double rangeValue) Called when the pointer is positioned inside the data area of the graph, or when it leaves the data area.

Methods inherited from class java.lang.Object

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

Constructor Detail

PointerHandler

public PointerHandler()

Method Detail

mouseDragged

public void mouseDragged(MouseEvent e)

Specified by:

mouseDragged in interface MouseMotionListener

mouseMoved

public void mouseMoved(MouseEvent mouseEvent)

Specified by:

mouseMoved in interface MouseMotionListener

updateHint

public abstract void updateHint(double domainValue,
                                double rangeValue)

Called when the pointer is positioned inside the data area of the graph, or when it leaves the data area.
When the mouse is outside the data area both parameters are set to Double.NaN.

Parameters:

domainValue - double; the X-value (in domain units), or Double.NaN if the pointer is outside the data area

rangeValue - double; the Y-value (in domain units), or Double.NaN if the pointer is outside the data area

mouseClicked

public void mouseClicked(MouseEvent e)

Specified by:

mouseClicked in interface MouseListener

mousePressed

public void mousePressed(MouseEvent e)

Specified by:

mousePressed in interface MouseListener

mouseReleased

public void mouseReleased(MouseEvent e)

Specified by:

mouseReleased in interface MouseListener

mouseEntered

public void mouseEntered(MouseEvent e)

Specified by:

mouseEntered in interface MouseListener

mouseExited

public void mouseExited(MouseEvent mouseEvent)

Specified by:

mouseExited in interface MouseListener