com.vaadin.ui.

Class AbstractSelect.TargetItemIs

  • All Implemented Interfaces:

    AcceptCriterion, Serializable

    Enclosing class:

    AbstractSelect


    public static class AbstractSelect.TargetItemIs
extends ClientSideCriterion

    Criterion which accepts a drop only if the drop target is (one of) the given Item identifier(s). Criterion can be used only on a drop targets that extends AbstractSelect like Table and Tree. The target and identifiers of valid Items are given in constructor.

    Since:

    6.3

    See Also:

    Serialized Form

    • Constructor Detail

      • TargetItemIs

        public TargetItemIs(AbstractSelect select,
                    Object... itemId)

        Parameters:

        select - the select implementation that is used as a drop target

        itemId - the identifier(s) that are valid drop locations

    • Method Detail

      • accept

        public boolean accept(DragAndDropEvent dragEvent)

        Description copied from interface: AcceptCriterion

        Validates the data in event to be appropriate for the DropHandler.drop(DragAndDropEvent) method.

        Note that even if your criterion is validated on client side, you should always validate the data on server side too.

        Returns: