Package org.jungrapht.visualization.control

Class ShearingGraphMousePlugin

java.lang.Object

org.jungrapht.visualization.control.AbstractGraphMousePlugin

org.jungrapht.visualization.control.ShearingGraphMousePlugin

All Implemented Interfaces:

MouseListener, MouseMotionListener, EventListener, GraphMousePlugin

Direct Known Subclasses:

SatelliteShearingGraphMousePlugin

public class ShearingGraphMousePlugin
extends AbstractGraphMousePlugin
implements MouseListener, MouseMotionListener

ShearingGraphMousePlugin allows the user to drag with the mouse to shear the transform either in the horizontal or vertical direction. By default, the control or meta key must be depressed to activate shearing.

Author:

Tom Nelson

Nested Class Summary

Nested classes/interfaces inherited from class org.jungrapht.visualization.control.AbstractGraphMousePlugin

AbstractGraphMousePlugin.Selecting

Field Summary

Fields

Modifier and Type	Field	Description
protected int	shearingMask

Fields inherited from class org.jungrapht.visualization.control.AbstractGraphMousePlugin

cursor, down, modifiers

Constructor Summary

Constructors

Constructor	Description
ShearingGraphMousePlugin()	create an instance with default modifier values
ShearingGraphMousePlugin(int shearingMask)	create an instance with passed modifier values

Method Summary

Modifier and Type	Method	Description
boolean	checkModifiers(MouseEvent e)	check the mouse event modifiers against the instance member modifiers.
void	mouseClicked(MouseEvent e)
void	mouseDragged(MouseEvent e)
void	mouseEntered(MouseEvent e)
void	mouseExited(MouseEvent e)
void	mouseMoved(MouseEvent e)
void	mousePressed(MouseEvent e)
void	mouseReleased(MouseEvent e)

Methods inherited from class org.jungrapht.visualization.control.AbstractGraphMousePlugin

getCursor, getModifiersEx, setCursor, setModifiers

Methods inherited from class java.lang.Object

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

Field Detail

shearingMask

protected int shearingMask

Constructor Detail

ShearingGraphMousePlugin

public ShearingGraphMousePlugin()

create an instance with default modifier values

ShearingGraphMousePlugin

public ShearingGraphMousePlugin(int shearingMask)

create an instance with passed modifier values

Parameters:

shearingMask - the mouse modifiers to use

Method Detail

checkModifiers

public boolean checkModifiers(MouseEvent e)

check the mouse event modifiers against the instance member modifiers. Default implementation checks equality. Can be overridden to test with a mask

Specified by:

checkModifiers in interface GraphMousePlugin

Overrides:

checkModifiers in class AbstractGraphMousePlugin

Parameters:

e -

Returns:

whether the member modifiers match the event modifiers

mousePressed

public void mousePressed(MouseEvent e)

Specified by:

mousePressed in interface MouseListener

mouseReleased

public void mouseReleased(MouseEvent e)

Specified by:

mouseReleased in interface MouseListener

mouseDragged

public void mouseDragged(MouseEvent e)

Specified by:

mouseDragged in interface MouseMotionListener

mouseClicked

public void mouseClicked(MouseEvent e)

Specified by:

mouseClicked in interface MouseListener

mouseEntered

public void mouseEntered(MouseEvent e)

Specified by:

mouseEntered in interface MouseListener

mouseExited

public void mouseExited(MouseEvent e)

Specified by:

mouseExited in interface MouseListener

mouseMoved

public void mouseMoved(MouseEvent e)

Specified by:

mouseMoved in interface MouseMotionListener