SourceSelectionNotifier

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gov.lanl.IDViewer
Class SourceSelectionNotifier

java.lang.Object
  gov.lanl.IDViewer.SourceSelectionNotifier

class SourceSelectionNotifier
extends java.lang.Object

When an instance of the class SourceSelectionObserver receives a notification from a source selection dialog window, it passes it on to all of its registered observers.

Currently, the class SourceSelectionNotifier distinguishes between three types of events: INACTIVE_SRC_SELECTION_CHANGED - the source selection in the source selection frame changed ACTIVE_SRC_SELECTION_CHANGED - the source selection in the source client panel changed INACTIVE_SRC_SELECTION_FINALIZED- the user finished selecting source in the source selection frame

Version:: 11/09/98 $Id: SourceSelectionNotifier.java,v 1.2 2002/06/09 14:26:01 dwforslund Exp $

Field Summary

static int ACTIVE_SRC_SELECTION_CHANGED


static int INACTIVE_SRC_SELECTION_CHANGED


static int INACTIVE_SRC_SELECTION_FINALIZED


private java.util.Vector observers
          vector of source selection observers

private java.util.Vector sourceSelectionVector
          vector that stores the current source selection in form of strings

Constructor Summary

(package private) SourceSelectionNotifier()


Method Summary

void addObserver(SourceSelectionObserver observer)
          adds a new observer to this object

void notifySourceSelectionObserver(int event, java.util.Vector sourceSelectionVector)
          This method is called when this object needs to pass on a notification to its registered observers.

void removeObserver(SourceSelectionObserver observer)
          removes an observer from this object

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

INACTIVE_SRC_SELECTION_CHANGED

public static final int INACTIVE_SRC_SELECTION_CHANGED

See Also:: Constant Field Values

ACTIVE_SRC_SELECTION_CHANGED

public static final int ACTIVE_SRC_SELECTION_CHANGED

See Also:: Constant Field Values

INACTIVE_SRC_SELECTION_FINALIZED

public static final int INACTIVE_SRC_SELECTION_FINALIZED

See Also:: Constant Field Values

sourceSelectionVector

private java.util.Vector sourceSelectionVector

vector that stores the current source selection in form of strings

observers

private java.util.Vector observers

vector of source selection observers

Constructor Detail