com.goldencode.p2j.ui.client.gui

Class ScrollBarControllerGuiImpl

java.lang.Object

com.goldencode.p2j.ui.client.gui.ScrollBarControllerGuiImpl

All Implemented Interfaces:

ScrollBarController

Direct Known Subclasses:

BrowseGuiImpl.HorizontalColumnScroller, BrowseGuiImpl.VerticalRowScroller

public abstract class ScrollBarControllerGuiImpl
extends java.lang.Object
implements ScrollBarController

Scroll bar controller with basic functionality for all GUI scroll bar controllers.

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	drag If scroll bar thumb is being dragged.
protected int	dragPos Current position of the dragged thumb (distance between left/top button and thumb's left/top edge).
protected ScrollBarGuiImpl	scrollBar Scroll bar controlled by this controller.

Constructor Summary

Constructors

Constructor and Description
ScrollBarControllerGuiImpl() Constructor.

Method Summary

Modifier and Type	Method and Description
boolean	isEnabled() Get enable state for the scroll bar.
void	setScrollBar(ScrollBarGuiImpl scrollBar) Set scroll bar controlled by this controller..
void	startThumbDrag() Notify controller that thumb drag has started.
void	stopThumbDrag() Notify controller that thumb drag has ended.
void	thumbMoved(int thumbPos) Notify controller that thumb has been dragged.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.goldencode.p2j.ui.client.ScrollBarController

getMax, getPosition, getStep, getThumbPosition, getThumbSize, isMaxValueTrimmed, isVisible, positionUpdated

Field Detail

scrollBar

protected ScrollBarGuiImpl scrollBar

Scroll bar controlled by this controller.

drag

protected boolean drag

If scroll bar thumb is being dragged.

dragPos

protected int dragPos

Current position of the dragged thumb (distance between left/top button and thumb's left/top edge).

Constructor Detail

ScrollBarControllerGuiImpl

public ScrollBarControllerGuiImpl()

Constructor.

Method Detail

setScrollBar

public void setScrollBar(ScrollBarGuiImpl scrollBar)

Set scroll bar controlled by this controller..

Parameters:

scrollBar - Scroll bar controlled by this controller.

startThumbDrag

public void startThumbDrag()

Notify controller that thumb drag has started.

Specified by:

startThumbDrag in interface ScrollBarController

stopThumbDrag

public void stopThumbDrag()

Notify controller that thumb drag has ended.

Specified by:

stopThumbDrag in interface ScrollBarController

thumbMoved

public void thumbMoved(int thumbPos)

Notify controller that thumb has been dragged.

Specified by:

thumbMoved in interface ScrollBarController

Parameters:

thumbPos - New thumb position for the scroll bar (distance between left/top button and thumb's left/top edge).

isEnabled

public boolean isEnabled()

Get enable state for the scroll bar.

Specified by:

isEnabled in interface ScrollBarController

Returns:

true if scroll bar is enabled.