Interface LeaveEventHandler
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- All Known Implementing Classes:
AbstractEventHandler
,DataLabelsPointerHandler
,DataLabelsSelectionHandler
public interface LeaveEventHandler
Callback interface ofDataLabelsPlugin.ID
plugin to manage LEAVE events on labels.
Charba events need to be enabled in order to get the associated label event working.
If the callback explicitly returnstrue
, the label is updated with the new context and the chart re-rendered. This allows to implement visual interactions with labels such as highlight, selection, etc.- Author:
- Andrea "Stock" Stocchero
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description boolean
onLeave(DataLabelsContext context, ChartEventContext event)
Invoked to manage LEAVE events on labels.
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Method Detail
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onLeave
boolean onLeave(DataLabelsContext context, ChartEventContext event)
Invoked to manage LEAVE events on labels.- Parameters:
context
-DataLabelsPlugin.ID
plugin context instanceevent
- event instance- Returns:
- If the callback explicitly returns
true
, the label is updated with the new context and the chart re-rendered.
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