Eclipse GEF and Draw2d Plug-in Developer Guide (Galileo) - EventListenerList (Eclipse Draw2d API Specification)

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Eclipse Draw2d
3.3

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org.eclipse.draw2d
Class EventListenerList

java.lang.Object
  
org.eclipse.draw2d.EventListenerList

public final class EventListenerList
extends java.lang.Object

This class is intended for internal use only. TODO: If this is for internal use only, we should move it to the internal package.

Constructor Summary

EventListenerList ()


Method Summary

void addListener (java.lang.Class c, java.lang.Object listener)
          Adds a listener of type c to the list.

boolean containsListener (java.lang.Class c)
          Returns true if this list of listeners contains a listener of type c.

java.util.Iterator getListeners (java.lang.Class listenerType)
          Returns an Iterator of all the listeners of type c.

void removeListener (java.lang.Class c, java.lang.Object listener)
          Removes the first listener of the specified type by identity.

Methods inherited from class java.lang.Object

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

Constructor Detail

EventListenerList

public EventListenerList()

Method Detail

addListener

public void addListener(java.lang.Class c,
                        java.lang.Object listener)

Adds a listener of type c to the list.

Parameters:: c - the class; listener - the listener

containsListener

public boolean containsListener(java.lang.Class c)

Returns true if this list of listeners contains a listener of type c.

Parameters:: c - the type
Returns:: whether this list contains a listener of type c

getListeners

public java.util.Iterator getListeners(java.lang.Class listenerType)

Returns an Iterator of all the listeners of type c.

Parameters:: listenerType - the type
Returns:: an Iterator of all the listeners of type c

removeListener

public void removeListener(java.lang.Class c,
                           java.lang.Object listener)

Removes the first listener of the specified type by identity.

Parameters:: c - the type; listener - the listener