Overview | Package | Class | Tree | Index | Help NetCharts Pro (Applets) 7.0
PREV CLASS | NEXT CLASS FRAMES  | NO FRAMES
SUMMARY:  INNER | FIELD | CONSTR | METHOD DETAIL:  FIELD | CONSTR | METHOD

Interface netcharts.graphics.
NFScrollObserver


public interface NFScrollObserver
This interface allows any object to monitor the scrolling/zooming activity of another object, such as the NFAxis object.


Method Summary
void postScroll(java.lang.Object obj, double scrollMin, double scrollMax, double scaleMin, double scaleMax)
          This method is called immediately after a scroll/zoom activity, allowing the observer to monitor the new settings.
boolean preScroll(java.lang.Object obj, double scrollMin, double scrollMax, double curScaleMin, double curScaleMax, double newScaleMin, double newScaleMax)
          This method is called immediately prior to a scroll/zoom activity, allowing the observer to examine the current and desired settings and to perform any custom processing.
 

Method Detail

preScroll

public boolean preScroll(java.lang.Object obj,
                         double scrollMin,
                         double scrollMax,
                         double curScaleMin,
                         double curScaleMax,
                         double newScaleMin,
                         double newScaleMax)
This method is called immediately prior to a scroll/zoom activity, allowing the observer to examine the current and desired settings and to perform any custom processing. The <obj> pointer specifies the object which is being scrolled. If a return value of "true" is specified, then the scroll action will be allowed. Otherwise, it will be aborted.
Parameters:
obj - The object being scrolled.
scrollMin - The minimum scroll value.
scrollMax - The maximum scroll value.
curScrollMin - The current minimum scroll value.
curScrollMax - The current maximum scroll value.
newScrollMin - The new minimum scroll value.
newScrollMax - The new maximum scroll value.
Returns:
Whether to proceed with the scroll or not.

postScroll

public void postScroll(java.lang.Object obj,
                       double scrollMin,
                       double scrollMax,
                       double scaleMin,
                       double scaleMax)
This method is called immediately after a scroll/zoom activity, allowing the observer to monitor the new settings. The <obj> pointer specifies the object that was affected.
Parameters:
obj - The object scrolled.
scrollMin - The minimum scroll value.
scrollMax - The maximum scroll value.
scaleMin - The minimum scale value.
scaleMax - The maximum scale value.

Overview | Package | Class | Tree | Index | Help
PREV CLASS | NEXT CLASS FRAMES  | NO FRAMES
SUMMARY:  INNER | FIELD | CONSTR | METHOD DETAIL:  FIELD | CONSTR | METHOD


Visual Mining, Inc.
2099 Gaither Grove Rd.
Suite 220
Rockville, MD 20850
800.308.0731
301.947.8293 FAX

Copyright © Visual Mining, Inc. 1996 - 2010
All Rights Reserved.

NetCharts ProTM is a registered trademark of Visual Mining, Inc. Other brands and their products are trademarks of their respective holders.

Last Modified: Jun 29, 2010