de.erichseifert.gral.navigation

Class NavigationEvent<T>

java.lang.Object

de.erichseifert.gral.navigation.NavigationEvent<T>

Type Parameters:

T - Data type of the value that has been changed.

public class NavigationEvent<T>
extends java.lang.Object

Data class that describes a navigational event, like zooming or panning.

Constructor Summary

Constructors

Constructor and Description
NavigationEvent(Navigator source, T valueOld, T valueNew) Initializes a new instance.

Method Summary

Modifier and Type	Method and Description
Navigator	getSource() Returns the navigator that has caused the change.
T	getValueNew() Returns the value after the change.
T	getValueOld() Returns the value before the change.

Methods inherited from class java.lang.Object

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

Constructor Detail

NavigationEvent

public NavigationEvent(Navigator source,
                       T valueOld,
                       T valueNew)

Initializes a new instance.

Parameters:

source - Navigator object that has caused the change.

valueOld - Value before the change

valueNew - Value after the change.

Method Detail

getSource

public Navigator getSource()

Returns the navigator that has caused the change.

Returns:

Navigator object that has caused the change.

getValueOld

public T getValueOld()

Returns the value before the change.

Returns:

Value before the change.

getValueNew

public T getValueNew()

Returns the value after the change.

Returns:

Value after the change.