All Packages  Class Hierarchy  This Package  Previous  Next  Index

Class gjt.Scroller 

java.lang.Object
   |
   +----java.awt.Component
           |
           +----java.awt.Container
                   |
                   +----java.awt.Panel
                           |
                           +----gjt.Scroller
public abstract class Scroller
extends Panel
implements AdjustmentListener
Each Scroller contains a Panel (viewport) and two Scrollbars (horizontal and vertical). Works in conjunction with a ScrollerLayout, that lays out the viewport and two scrollbars.

Subclasses must override:

abstract public void scrollTo(int x, int y)
abstract public Dimension getScrollAreaSize()

See Also:
ComponentScroller, ImageScroller, ScrollerLayout, ComponentScrollerTest, ImageScrollerTest

Variable Index

o hbar
o vbar
o viewport

Constructor Index

o Scroller()

Method Index

o adjustmentValueChanged(AdjustmentEvent)
o getHorizontalScrollbar()
o getScrollAreaSize()
o getVerticalScrollbar()
o getViewport()
o manageHorizontalScrollbar()
o manageScrollbars()
o manageVerticalScrollbar()
o paint(Graphics)
o scroll()
o scrollAbsolute()
o scrollLineDown()
o scrollLineUp()
o scrollPageDown()
o scrollPageUp()
o scrollTo(int, int)
o setHorizontalLineAndPageIncrements()
o setHorizontalScrollbarValues()
o setScrollbarValues()
o setScrollPosition(int, int)
o setVerticalLineAndPageIncrements()
o setVerticalScrollbarValues()
o update(Graphics)

Variables

o viewport 
 protected Panel viewport
o hbar 
 protected Scrollbar hbar
o vbar 
 protected Scrollbar vbar

Constructors

o Scroller 
 public Scroller()

Methods

o scrollTo 
 public abstract void scrollTo(int x,
                               int y)
o getScrollAreaSize 
 public abstract Dimension getScrollAreaSize()
o getHorizontalScrollbar 
 public Scrollbar getHorizontalScrollbar()
o getVerticalScrollbar 
 public Scrollbar getVerticalScrollbar()
o getViewport 
 public Panel getViewport()
o adjustmentValueChanged 
 public void adjustmentValueChanged(AdjustmentEvent event)
o paint 
 public void paint(Graphics g)
Overrides:
paint in class Container
o update 
 public void update(Graphics g)
Overrides:
update in class Component
o manageScrollbars 
 public void manageScrollbars()
o manageHorizontalScrollbar 
 protected void manageHorizontalScrollbar()
o manageVerticalScrollbar 
 protected void manageVerticalScrollbar()
o setScrollPosition 
 public void setScrollPosition(int x,
                               int y)
o setScrollbarValues 
 public void setScrollbarValues()
o setHorizontalScrollbarValues 
 protected void setHorizontalScrollbarValues()
o setVerticalScrollbarValues 
 protected void setVerticalScrollbarValues()
o scrollLineUp 
 protected void scrollLineUp()
o scrollLineDown 
 protected void scrollLineDown()
o scrollPageUp 
 protected void scrollPageUp()
o scrollPageDown 
 protected void scrollPageDown()
o scrollAbsolute 
 protected void scrollAbsolute()
o setHorizontalLineAndPageIncrements 
 protected void setHorizontalLineAndPageIncrements()
o setVerticalLineAndPageIncrements 
 protected void setVerticalLineAndPageIncrements()
o scroll 
 protected void scroll()

All Packages  Class Hierarchy  This Package  Previous  Next  Index