Module javafx.base

Class TransformationList<E,F>

    • Constructor Detail

      • TransformationList

        protected TransformationList​(ObservableList<? extends F> source)
        Creates a new Transformation list wrapped around the source list.
        Parameters:
        source - the wrapped list
    • Method Detail

      • getSource

        public final ObservableList<? extends F> getSource​()
        The source list specified in the constructor of this transformation list.
        Returns:
        The List that is directly wrapped by this TransformationList
      • isInTransformationChain

        public final boolean isInTransformationChain​(ObservableList<?> list)
        Checks whether the provided list is in the chain under this TransformationList. This means the list is either the direct source as returned by getSource() or the direct source is a TransformationList, and the list is in it's transformation chain.
        Parameters:
        list - the list to check
        Returns:
        true if the list is in the transformation chain as specified above.
      • sourceChanged

        protected abstract void sourceChanged​(ListChangeListener.Change<? extends F> c)
        Called when a change from the source is triggered.
        Parameters:
        c - the change
      • getSourceIndex

        public abstract int getSourceIndex​(int index)
        Maps the index of this list's element to an index in the direct source list.
        Parameters:
        index - the index in this list
        Returns:
        the index of the element's origin in the source list
        See Also:
        getSource()
      • getSourceIndexFor

        public final int getSourceIndexFor​(ObservableList<?> list,
                                           int index)
        Maps the index of this list's element to an index of the provided list. The list must be in the transformation chain.
        Parameters:
        list - a list from the transformation chain
        index - the index of an element in this list
        Returns:
        the index of the element's origin in the provided list
        See Also:
        isInTransformationChain(javafx.collections.ObservableList)
      • getViewIndex

        public abstract int getViewIndex​(int index)
        Maps the index of the direct source list's element to an index in this list.
        Parameters:
        index - the index in the source list
        Returns:
        the index of the element in this list if it is contained in this list or negative value otherwise
        Since:
        9
        See Also:
        getSource(), getSourceIndex(int)