get Tooltip Renderer Component
open override fun getTooltipRendererComponent(view: TreeMapView<N, Row, Column>, column: Column, node: N, dimension: Dimension): EnhancedLabel
Returns the component used for drawing the tooltip values.
Return
the component
Parameters
view
the view
column
the field for which the value should be queried
node
the node for which the value should be queried
dimension