borland.jbcl Packages borland.jbcl Class Hierarchy borland.jbcl.util
java.lang.Object +----borland.jbcl.util.FocusMulticaster
Properties Methods
Implements FocusListener, EventListener
A class that dispatches focus events to multiple listeners. FocusMulticaster maintains an array of listeners. The add(), remove(), and find() methods maintain this list.
The hasListeners() method determines whether any objects are listening for focus events. The dispatch() method sends a focus event to all listeners.
See also: Standard Java events, Events in JBCL
public final synchronized void add(java.awt.event.FocusListener listener)Adds an object to the array of listeners.
Parameters:
public final void dispatch(java.awt.event.FocusEvent e)Sends a focus event to all listeners. The method is a high-speed dispatcher that does not need to be synchronized.
Parameters:
public int find(java.awt.event.FocusListener listener)Searches for the specified listener among the array of listening objects.
Parameters:
public final boolean hasListeners()Determines if there are any listeners for focus events. If the method returns true, one or more listeners are present.
public final synchronized void remove(java.awt.event.FocusListener listener)Removes the specified listening object from the array of listeners for focus events.
Parameters: