BasicScrollBarUI.ScrollListener (Java SE 9 & JDK 9 )

java.lang.Object
- javax.swing.plaf.basic.BasicScrollBarUI.ScrollListener

All Implemented Interfaces:

ActionListener, EventListener

Enclosing class:

BasicScrollBarUI
```
protected class BasicScrollBarUI.ScrollListener
extends Object
implements ActionListener
```
Listener for scrolling events initiated in the ScrollPane.

Constructor Summary

Constructors
Constructor Description

ScrollListener()
Constructs a ScrollListener.

ScrollListener(int dir, boolean block)
Constructs a ScrollListener.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`actionPerformed(ActionEvent e)`	Invoked when an action occurs.
`void`	`setDirection(int direction)`	Sets the direction.
`void`	`setScrollByBlock(boolean block)`	Sets the scrolling by block

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ScrollListener
```
public ScrollListener()
```
    Constructs a ScrollListener.
  - ScrollListener
```
public ScrollListener(int dir,
                      boolean block)
```
    Constructs a ScrollListener.
    
    Parameters:
    
    dir - direction
    
    block - use block increment
- Method Detail
  - setDirection
```
public void setDirection(int direction)
```
    Sets the direction.
    
    Parameters:
    
    direction - the new direction
  - setScrollByBlock
```
public void setScrollByBlock(boolean block)
```
    Sets the scrolling by block
    
    Parameters:
    
    block - whether or not to scroll by block
  - actionPerformed
```
public void actionPerformed(ActionEvent e)
```
    Invoked when an action occurs.
    
    Specified by:
    
    actionPerformed in interface ActionListener
    
    Parameters:
    
    e - the event to be processed