org.eclipse.hyades.trace.ui.internal.util
Class AbstractChangeable

java.lang.Object
  org.eclipse.hyades.trace.ui.internal.util.AbstractChangeable

Direct Known Subclasses:

AgentDiscovererConfiguration.AgentDiscovererConfPage, InstrumentFiltersUI, LaunchProcessUI, TraceFileUI, TraceHostUI, TraceLocationUI, TraceProfileCollectionsUI, TraceProfileFiltersUI, TraceProfileOptionsUI, TraceProfileOverviewUI, TraceProfileUI

public abstract class AbstractChangeable
extends java.lang.Object

Provides listener capabilities to subclasses. This is used by the Trace__UI classes in order for the launch configuration tabs to be notified when the UI has changed. Whenever any of the values change, changed() should be called.

Field Summary

protected java.util.List	_listeners
protected static org.eclipse.swt.widgets.Event	EVENT

Constructor Summary

AbstractChangeable()

Method Summary

void	addListener(org.eclipse.swt.widgets.Listener l) Adds a Listener to be notified whenever this instance changes.
protected void	changed() Subclasses should call this whenever their values change, to signal any Listeners on this instance.
void	removeListener(org.eclipse.swt.widgets.Listener l) Removes the given Listener from the list of Listeners to be notified when this instance changes.

Methods inherited from class java.lang.Object

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

Field Detail

EVENT

protected static final org.eclipse.swt.widgets.Event EVENT

_listeners

protected final java.util.List _listeners

Constructor Detail

AbstractChangeable

public AbstractChangeable()

Method Detail

addListener

public void addListener(org.eclipse.swt.widgets.Listener l)

Adds a Listener to be notified whenever this instance changes. A default Event is fired.

Parameters:

l - The Listener to add.

removeListener

public void removeListener(org.eclipse.swt.widgets.Listener l)

Removes the given Listener from the list of Listeners to be notified when this instance changes.

Parameters:

l - The Listener to add.

changed

protected void changed()

Subclasses should call this whenever their values change, to signal any Listeners on this instance.