com.github.gwtd3.api.functions

Interface BooleanDatumFunction

public interface BooleanDatumFunction

A function taking an element and the index of the element in the selection, returning a boolean primitive value.

Instances of this function are mainly used with mutator functions of Selection.

Author:

Anthony Schiochet

Method Summary

Modifier and Type	Method and Description
boolean	apply(com.google.gwt.dom.client.Element context, Value d, int index) Apply the function for the given Element at the specified index of the Selection mapped to the given Datum.

Method Detail

apply

boolean apply(com.google.gwt.dom.client.Element context,
              Value d,
              int index)

Apply the function for the given Element at the specified index of the Selection mapped to the given Datum.

Note that if no datum is mapped to the element, Datum#isUndefined() will return true.

Parameters:

context - the current element, may be irrelevant or null in some context.

d - the datum

index - the index of the element in the selection

Returns:

a boolean value