com.smartgwt.client.widgets.chart

## Interface HasDataLabelHoverHandlers

- All Superinterfaces:
    com.google.gwt.event.shared.HasHandlers
  All Known Implementing Classes:
    FacetChart

      public interface HasDataLabelHoverHandlers
      extends com.google.gwt.event.shared.HasHandlers

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `com.google.gwt.event.shared.HandlerRegistration` | `addDataLabelHoverHandler(DataLabelHoverHandler handler)` Fires when the mouse hovers over a data label, that is, a text label showing values from the first facet.

    - ### Methods inherited from interface com.google.gwt.event.shared.HasHandlers

      `fireEvent`

- - ### Method Detail

    - #### addDataLabelHoverHandler

          com.google.gwt.event.shared.HandlerRegistration addDataLabelHoverHandler(DataLabelHoverHandler handler)

      Fires when the mouse hovers over a data label, that is, a text label showing values from the first facet. For example, the labels underneath the X-axis of a column chart, labelling each column.
      Parameters:
        `handler` - the dataLabelHover handler
      Returns:
        `HandlerRegistration` used to remove this handler