public interface GradientMapper
| Modifier and Type | Method and Description | 
|---|---|
| java.lang.String | getGradient(int index,
           java.lang.Object facetValueId,
           java.lang.String purpose)Returns the gradient identifier to be used for the specified chart data. | 
java.lang.String getGradient(int index,
                             java.lang.Object facetValueId,
                             java.lang.String purpose)
index - index of the legend facet value to be renderedfacetValueId - id of the legend facet value to be renderedpurpose - purpose for the requested gradient - such as "legend", "line", "area",
                "points", etc.FacetChart.setDataGradientMapper(com.smartgwt.client.widgets.chart.GradientMapper), 
MetricSettings.setDataGradientMapper(com.smartgwt.client.widgets.chart.GradientMapper)