| Package | Description | 
|---|---|
| org.pepstock.charba.client.datalabels | Contains all classes to activate the  DataLabelsPlugin.IDplugin (AKAchartjs-plugin-datalabels.js) for CHART.js. | 
| org.pepstock.charba.client.impl.callbacks | Contains some callbacks implementations, available out-of-the box. | 
| Modifier and Type | Method and Description | 
|---|---|
| FormatterCallback | DataLabelsOptions. getFormatterCallback()Returns the formatter callback, if set, otherwise  null. | 
| Modifier and Type | Method and Description | 
|---|---|
| DataLabelsOptionsBuilder | DataLabelsOptionsBuilder. setFormatter(FormatterCallback formatterCallback)Sets the formatter callback. | 
| void | DataLabelsOptions. setFormatter(FormatterCallback formatterCallback)Sets the formatter callback. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | PercentageCallbackFormatter implementation for  DataLabelsPlugin.IDplugin in order to provide the percentage of the value.Setting this object to formatter callback of DataLabelsPlugin.IDoptions, it will return the percentage for each data
 index per dataset. |