edu.uci.ics.jung.visualization.control
Class LensMagnificationGraphMousePlugin

java.lang.Object
  edu.uci.ics.jung.visualization.control.AbstractGraphMousePlugin
      edu.uci.ics.jung.visualization.control.LensMagnificationGraphMousePlugin

All Implemented Interfaces:

GraphMousePlugin, MouseWheelListener, EventListener

public class LensMagnificationGraphMousePlugin
extends AbstractGraphMousePlugin
implements MouseWheelListener

HyperbolicMagnificationGraphMousePlugin changes the magnification within the Hyperbolic projection of the HyperbolicTransformer.

Author:

Tom Nelson

Field Summary

protected float	ceiling
protected float	delta
protected float	floor

Fields inherited from class edu.uci.ics.jung.visualization.control.AbstractGraphMousePlugin

cursor, down, modifiers

Constructor Summary

LensMagnificationGraphMousePlugin()
create an instance with default zoom in/out values

LensMagnificationGraphMousePlugin(float floor, float ceiling, float delta)
create an instance with passed modifiers

LensMagnificationGraphMousePlugin(int modifiers)

LensMagnificationGraphMousePlugin(int modifiers, float floor, float ceiling, float delta)

Method Summary

boolean	checkModifiers(MouseEvent e) override to check equality with a mask
void	mouseWheelMoved(MouseWheelEvent e) zoom the display in or out, depending on the direction of the mouse wheel motion.

Methods inherited from class edu.uci.ics.jung.visualization.control.AbstractGraphMousePlugin

getCursor, getModifiers, setCursor, setModifiers

Methods inherited from class java.lang.Object

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

Field Detail

floor

protected float floor

ceiling

protected float ceiling

delta

protected float delta

Constructor Detail

LensMagnificationGraphMousePlugin

public LensMagnificationGraphMousePlugin()

create an instance with default zoom in/out values

LensMagnificationGraphMousePlugin

public LensMagnificationGraphMousePlugin(float floor,
                                         float ceiling,
                                         float delta)

create an instance with passed modifiers

Parameters:

modifiers -

LensMagnificationGraphMousePlugin

public LensMagnificationGraphMousePlugin(int modifiers)

LensMagnificationGraphMousePlugin

public LensMagnificationGraphMousePlugin(int modifiers,
                                         float floor,
                                         float ceiling,
                                         float delta)

Method Detail

checkModifiers

public boolean checkModifiers(MouseEvent e)

override to check equality with a mask

Specified by:

checkModifiers in interface GraphMousePlugin

Overrides:

checkModifiers in class AbstractGraphMousePlugin

Parameters:

e - an event to compare to

Returns:

whether the member modifers match the event modifiers

mouseWheelMoved

public void mouseWheelMoved(MouseWheelEvent e)

zoom the display in or out, depending on the direction of the mouse wheel motion.

Specified by:

mouseWheelMoved in interface MouseWheelListener