public interface ChartBackgroundDrawnHandler extends com.google.gwt.event.shared.EventHandler
void onChartBackgroundDrawn(ChartBackgroundDrawnEvent event)
This notification will be fired each time the chart is redrawn (due to resize, data change, etc). If you want to draw
additional information on the chart using
DrawPane (FacetChart's superclass)
DrawItems, you should do in response to this notification. Due
to auto-sizing, APIs that are typically used to position custom DrawItems (such as
FacetChart.getChartLeft) may return bad values if called at
Additional DrawItems added in this method will appear underneath data elements such as bars or columns.
FacetChart.chartDrawn for placing
DrawItems on top of data elements.
event- the event