Interface Tree.ItemIconGenerator<T>

  • Type Parameters:
    T - item type
    All Superinterfaces:
    Function<T,​com.vaadin.flow.component.Component>, Serializable, com.vaadin.flow.function.SerializableFunction<T,​com.vaadin.flow.component.Component>
    Enclosing class:
    Tree<T>
    Functional Interface:
    This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

    @FunctionalInterface
    public static interface Tree.ItemIconGenerator<T>
    extends com.vaadin.flow.function.SerializableFunction<T,​com.vaadin.flow.component.Component>
    Tree.ItemIconGenerator can be used to customize the icon shown before the label of an item.
    Since:
    1.0
    Author:
    Vaadin Ltd
    • Method Detail

      • apply

        com.vaadin.flow.component.Component apply​(T item)
        Gets a icon for the item.
        Specified by:
        apply in interface Function<T,​com.vaadin.flow.component.Component>
        Parameters:
        item - the item to get icon for
        Returns:
        the icon of the item, not null