Interface DrilldownCallback
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- All Superinterfaces:
Serializable
public interface DrilldownCallback extends Serializable
Handler interface for chart's drilldown callbacks. DrilldownCallback is used for async drilldown.handleDrilldown(DrilldownDetails)
is called when a point with drilldown enabled is clicked and needs to return the Series to be used as drilldown for the point. To enable async drilldown for a series item useDataSeries.addItemWithDrilldown(com.vaadin.flow.component.charts.model.DataSeriesItem)
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Nested Class Summary
Nested Classes Modifier and Type Interface Description static class
DrilldownCallback.DrilldownDetails
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description Series
handleDrilldown(DrilldownCallback.DrilldownDetails event)
Method called when a point with drilldown enabled is clicked and should return the Series to be used as drilldown for the point.
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Method Detail
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handleDrilldown
Series handleDrilldown(DrilldownCallback.DrilldownDetails event)
Method called when a point with drilldown enabled is clicked and should return the Series to be used as drilldown for the point.- Parameters:
event
-- Returns:
- a
Series
instance to be used as drilldown for the point ornull
if nothing should be done
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