Class ListElement

  • Direct Known Subclasses:
    KnuthElement, UnresolvedListElement

    public abstract class ListElement
    extends java.lang.Object
    This class is the base class for all kinds of elements that are added to element lists. There are basically two kinds of list elements: Knuth elements and unresolved elements like spaces, border and padding elements which are converted to Knuth elements prior to the breaking process.
    • Field Detail

    • Constructor Detail

      • ListElement

        public ListElement​(Position position)
        Main constructor
        Parameters:
        position - the Position instance needed by the addAreas stage of the LMs.
    • Method Detail

      • getPosition

        public Position getPosition()
        Returns:
        the Position instance for this element.
      • setPosition

        public void setPosition​(Position position)
        Change the Position stored in this element.
        Parameters:
        position - the Position instance
      • getLayoutManager

        public LayoutManager getLayoutManager()
        Returns:
        the LayoutManager responsible for this element.
      • isBox

        public boolean isBox()
        Returns:
        true if this element is a KnuthBox.
      • isGlue

        public boolean isGlue()
        Returns:
        true if this element is a KnuthGlue.
      • isPenalty

        public boolean isPenalty()
        Returns:
        true if this element is a KnuthPenalty.
      • isForcedBreak

        public boolean isForcedBreak()
        Returns:
        true if the element is a penalty and represents a forced break.
      • isUnresolvedElement

        public boolean isUnresolvedElement()
        Returns:
        true if the element is an unresolved element such as a space or a border.