Class EventScroller

java.lang.Object
  |
  +--EventScroller

All Implemented Interfaces:

java.awt.event.AdjustmentListener, java.util.EventListener

public class EventScroller

extends java.lang.Object

implements java.awt.event.AdjustmentListener

EventScroller class supports scroller event handling for Flicker top level GUI.

This work was produced by Peter Lemkin of the National Cancer Institute, an agency of the United States Government. As a work of the United States Government there is no associated copyright. It is offered as open source software under the Mozilla Public License (version 1.1) subject to the limitations noted in the accompanying LEGAL file. This notice must be included with the code. The Flicker Mozilla and Legal files are available on http://open2dprot.sourceforge.net/Flicker

Version:

$Date: 2005/06/17 18:49:45 $ $Revision: 1.18 $

Author:

P. Lemkin (LECB/NCI), G. Thornwall (SAIC), Frederick, MD

See Also:

Flicker Home

Field Summary

(package private) Flicker	flk
int	id event scroller id
private ImageData	iData ImageData instance of current data sample being processed
private java.lang.String	imgFile file name of current data sample being processed
private boolean	isLeftFlag LEFT image is selected
private boolean	isRightFlag RIGHT image is selected
private ImageScroller	lastIS Image Scroller for current data sample being processed
private boolean	leftOrRightSelectedFlag current data sample being processed is LEFT or RIGHT image
java.lang.String	name event scroller name
(package private) Util	util

Constructor Summary

EventScroller(Flicker flk)
EventScroller() - constructor

EventScroller(java.lang.String name, int id, Flicker flk)
EventScroller() - constructor

Method Summary

void	adjustmentValueChanged(java.awt.event.AdjustmentEvent e) adjustmentValueChanged() - handle adjustment value changed events
private boolean	lookupCanvasPtrAndName() lookupCanvasPtrAndName() - lookup current image base on activeImage.
void	setEnabled(boolean flag) setEnabled() - Enable/disable for ImageXform scrollers
boolean	setEventScrollers(SliderState state) setEventScrollers() - set Event scrollers for Flicker top level GUI.
void	setScrollersToDefault() setScrollersToDefault() - set Event scrollers to default values for Flicker top level GUI.

Methods inherited from class java.lang.Object

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

Field Detail

flk

Flicker flk

util

Util util

name

public java.lang.String name

event scroller name

id

public int id

event scroller id

lastIS

private ImageScroller lastIS

Image Scroller for current data sample being processed

iData

private ImageData iData

ImageData instance of current data sample being processed

imgFile

private java.lang.String imgFile

file name of current data sample being processed

leftOrRightSelectedFlag

private boolean leftOrRightSelectedFlag

current data sample being processed is LEFT or RIGHT image

isLeftFlag

private boolean isLeftFlag

LEFT image is selected

isRightFlag

private boolean isRightFlag

RIGHT image is selected

Constructor Detail

EventScroller

public EventScroller(Flicker flk)

EventScroller() - constructor

Parameters:

flk - is Flicker instance

EventScroller

public EventScroller(java.lang.String name,
                     int id,
                     Flicker flk)

EventScroller() - constructor

Parameters:

name - of event

id - of event

flk - is Flicker instance

Method Detail

lookupCanvasPtrAndName

private boolean lookupCanvasPtrAndName()

lookupCanvasPtrAndName() - lookup current image base on activeImage. Set the instance variables

  instance  Image         Image         Image       Image
  variable  "left"        "right"       "flicker"   none
  ========  ======        =======       =========   ====
  iData     fli.iData1    flk.iData2    null        null
  lastIS    flk.i1IS      flk.i2IS      flk.flkIS   null
  imgFile   iData.imgName iData.imgName "flicker"   "no image"

 Then set leftOrRightSelectedFlag if the "left" or "right" 
 image was selected.

Returns:

leftOrRightSelectedFlag

adjustmentValueChanged

public void adjustmentValueChanged(java.awt.event.AdjustmentEvent e)

adjustmentValueChanged() - handle adjustment value changed events

Specified by:

adjustmentValueChanged in interface java.awt.event.AdjustmentListener

Parameters:

e - is AdjustmentEvent event

setScrollersToDefault

public void setScrollersToDefault()

setScrollersToDefault() - set Event scrollers to default values for Flicker top level GUI.

setEnabled

public void setEnabled(boolean flag)

setEnabled() - Enable/disable for ImageXform scrollers

Parameters:

flag - to enable/disable the angle, eScale, zScale threshold1 and threshold2 scrollers.

setEventScrollers

public boolean setEventScrollers(SliderState state)

setEventScrollers() - set Event scrollers for Flicker top level GUI. This sets new values from the specified state

Parameters:

state - to set the scrollers. It is flk.iData1.state or flk.iData2.state

Returns:

true if suceed, false if any problems.