Eclipse PDE
Release 3.0

org.eclipse.pde.core
Interface IModelChangeProvider

All Known Subinterfaces:
IBuildModel, IExtensionsModel, IFragmentModel, IPluginModel, IPluginModelBase, ISharedExtensionsModel, ISharedPluginModel

public interface IModelChangeProvider

Classes that implement this interface are capable of notifying listeners about model changes. Interested parties should implement IModelChangedListener and add as listeners to be able to receive change notification.

Since:
2.0

Method Summary
 void addModelChangedListener(IModelChangedListener listener)
          Adds the listener to the list of listeners that will be notified on model changes.
 void fireModelChanged(IModelChangedEvent event)
          Delivers change event to all the registered listeners.
 void fireModelObjectChanged(Object object, String property, Object oldValue, Object newValue)
          Notifies listeners that a property of a model object changed.
 void removeModelChangedListener(IModelChangedListener listener)
          Takes the listener off the list of registered change listeners.
 

Method Detail

addModelChangedListener

public void addModelChangedListener(IModelChangedListener listener)
Adds the listener to the list of listeners that will be notified on model changes.

Parameters:
listener - a model change listener to be added

fireModelChanged

public void fireModelChanged(IModelChangedEvent event)
Delivers change event to all the registered listeners.

Parameters:
event - a change event that will be passed to all the listeners

fireModelObjectChanged

public void fireModelObjectChanged(Object object,
                                   String property,
                                   Object oldValue,
                                   Object newValue)
Notifies listeners that a property of a model object changed. This is a utility method that will create a model event and fire it.

Parameters:
object - an affected model object
property - name of the property that has changed
oldValue - the old value of the property
newValue - the new value of the property

removeModelChangedListener

public void removeModelChangedListener(IModelChangedListener listener)
Takes the listener off the list of registered change listeners.

Parameters:
listener - a model change listener to be removed

Eclipse PDE
Release 3.0

Copyright (c) IBM Corp. and others 2000, 2004. All Rights Reserved.