org.argouml.uml.ui
Class ActionNavigateUpPreviousDown

java.lang.Object
  javax.swing.AbstractAction
      org.tigris.gef.undo.UndoableAction
          org.argouml.uml.ui.AbstractActionNavigate
              org.argouml.uml.ui.ActionNavigateUpPreviousDown

All Implemented Interfaces:

Action, ActionListener, Cloneable, EventListener, Serializable, TargetListener

public abstract class ActionNavigateUpPreviousDown

extends AbstractActionNavigate

An action to navigate to the previous in the list, i.e. first we go up, then down again to the previous in the list.

See Also:

Serialized Form

ActionNavigateUpPreviousDown

public ActionNavigateUpPreviousDown()

The constructor.

navigateTo

protected Object navigateTo(Object source)

Description copied from class: AbstractActionNavigate

Abstract method to do the navigation. The actual navigation is performed by actionPerformed.

Specified by:

navigateTo in class AbstractActionNavigate

Parameters:

source - the object to navigate from

Returns:

the object to navigate to

getFamily

public abstract List getFamily(Object parent)

Get the list of elements that we are navigating through.

Parameters:

parent - the parent element that owns all elements in the list

Returns:

the list

getParent

public abstract Object getParent(Object child)

Get the parent of the list of elements that we are navigating through.

Parameters:

child - the childelement of which we seek the previous element

Returns:

the parent element