com.vaadin.event.

Class DataBoundTransferable

  • All Implemented Interfaces:

    Transferable, Serializable

    Direct Known Subclasses:

    Table.TableTransferable, Tree.TreeTransferable


    public abstract class DataBoundTransferable
extends TransferableImpl

    Parent class for Transferable implementations that have a Vaadin container as a data source. The transfer is associated with an item (identified by its Id) and optionally also a property identifier (e.g. a table column identifier when transferring a single table cell). The component must implement the interface Container.Viewer. In most cases, receivers of data transfers should depend on this class instead of its concrete subclasses.

    Since:

    6.3

    See Also:

    Serialized Form

    • Constructor Detail

    • Method Detail

      • getItemId

        public abstract Object getItemId()

        Returns the identifier of the item being transferred.

        Returns:

        item identifier

      • getPropertyId

        public abstract Object getPropertyId()

        Returns the optional property identifier that the transfer concerns. This can be e.g. the table column from which a drag operation originated.

        Returns:

        property identifier

      • getSourceContainer

        public Container getSourceContainer()

        Returns the container data source from which the transfer occurs. Container.Viewer#getContainerDataSource() is used to obtain the underlying container of the source component.

        Returns:

        Container