netcharts.pro.event
Interface NFChartScrollListener

All Superinterfaces:

java.util.EventListener, NFChartActionListener

public interface NFChartScrollListener

extends NFChartActionListener

Method Summary

void	postScroll(java.lang.Object obj, double scrollMin, double scrollMax, double scaleMin, double scaleMax) Method called when a NFChartEvent.POSTSCROLL event occurs.
boolean	preScroll(java.lang.Object obj, double scrollMin, double scrollMax, double curScaleMin, double curScaleMax, double newScaleMin, double newScaleMax) Method called when a NFChartEvent.PRESCROLL event occurs.

Methods inherited from interface netcharts.pro.event.NFChartActionListener

chartActionPerformed

Method Detail

preScroll

public boolean preScroll(java.lang.Object obj,
                         double scrollMin,
                         double scrollMax,
                         double curScaleMin,
                         double curScaleMax,
                         double newScaleMin,
                         double newScaleMax)

Method called when a NFChartEvent.PRESCROLL event occurs. This method will be called in place of chartActionPerformed. 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)

Method called when a NFChartEvent.POSTSCROLL event occurs. This method will be called in place of chartActionPerformed.

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.