org.zkoss.zul.event
Interface ChartAreaListener

public interface ChartAreaListener

Identifies area inside a chart that can be customized.

Author:

henrichen

See Also:

Chart

Method Summary

void	onRender(Area area, java.lang.Object data) Called when the chart is being cut into areas.

Method Detail

onRender

void onRender(Area area,
              java.lang.Object data)
              throws java.lang.Exception

Called when the chart is being cut into areas. When this method is called, the area has been initiated with its default value already. Each time the chart is repainted, the area is new created.

Parameters:

area - the area that cutting a chart. Note: when this method is called, the area has been initiated with its default value already.

data - generic data used to pass data from ChartEngine.

Throws:

java.lang.Exception