# Class BasicSliderUI.ScrollListener

java.lang.Object
javax.swing.plaf.basic.BasicSliderUI.ScrollListener

All Implemented Interfaces:
  `ActionListener`, `EventListener`

Enclosing class:
  `BasicSliderUI`

public class BasicSliderUI.ScrollListener extends Object implements ActionListener
Scroll-event listener. This class should be treated as a "protected" inner class. Instantiate it only within subclasses of `Foo`.

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `ScrollListener()`
  Constructs a `ScrollListener`
  `ScrollListener(int dir, boolean block)`
  Constructs a `ScrollListener`

- ## Method Summary

  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 scrolling by block

  ### Methods declared in class java.lang.Object

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

- ## Constructor Details

  - ### ScrollListener

    public ScrollListener()
    Constructs a `ScrollListener`

  - ### ScrollListener

    public ScrollListener(int dir, boolean block)
    Constructs a `ScrollListener`
    Parameters:
      `dir` - the direction
      `block` - whether or not to scroll by block

- ## Method Details

  - ### setDirection

    public void setDirection(int direction)
    Sets the direction.
    Parameters:
      `direction` - the new direction

  - ### setScrollByBlock

    public void setScrollByBlock(boolean block)
    Sets scrolling by block
    Parameters:
      `block` - the new scroll by block value

  - ### actionPerformed

    public void actionPerformed(ActionEvent e)
    Invoked when an action occurs.
    Specified by:
      `actionPerformed` in interface `ActionListener`
    Parameters:
      `e` - the event to be processed