Package org.eclipse.jface.databinding.viewers

Interface IViewerUpdater<E>

Type Parameters:
E - type of the elements in the updated viewer
public interface IViewerUpdater<E>
A strategy interface for updating the elements in a StructuredViewer. Many structured viewer classes have similar methods for adding and removing elements, few of which are defined in common ancestor classes. This interface serves as a universal adapter for updating the elements in a viewer
Since:
1.3
See Also:

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    add(E[] elements)
    Adds the elements to the viewer.
    void
    insert(E element, int position)
    Insert the element into the viewer at the specified position.
    void
    move(E element, int oldPosition, int newPosition)
    Moves the specified element from the specified old position to the specified new position.
    void
    remove(E[] elements)
    Removes the elements from the viewer
    void
    remove(E element, int position)
    Remove the element from the viewer
    void
    replace(E oldElement, E newElement, int position)
    Replace the specified element at the given position with the new element.

  • Method Details

    • insert

      void insert(E element, int position)
      Insert the element into the viewer at the specified position.
      Parameters:
      element - the element to add
      position - the position of the element

    • remove

      void remove(E element, int position)
      Remove the element from the viewer
      Parameters:
      element - the element to remove
      position - the position of the element

    • replace

      void replace(E oldElement, E newElement, int position)
      Replace the specified element at the given position with the new element.
      Parameters:
      oldElement - the element being replaced
      newElement - the element that replaces oldElement
      position - the position of the element being replaced.

    • move

      void move(E element, int oldPosition, int newPosition)
      Moves the specified element from the specified old position to the specified new position. No action is taken if the viewer has a sorter or filter(s).
      Parameters:
      element - the element being moved
      oldPosition - the position of the element before it is moved
      newPosition - the position of the element after it is moved

    • add

      void add(E[] elements)
      Adds the elements to the viewer.
      Parameters:
      elements - the elements to add

    • remove

      void remove(E[] elements)
      Removes the elements from the viewer
      Parameters:
      elements - the elements to remove